Proliferation and differentiation hematopoietic progenitor stem cells bone marrow transplantation. Medical search. Frequent questions

The common myeloid progenitor (CMP) and the common lymphoid progenitor (CLP) are the first branch of cell differentiation in hematopoiesis after the hemocytoblast (hematopoietic stem cell). (wikipedia.org)
This study revealed that IL-1 plays an important role in the regulation of the production of stimulatory factors that influence the progenitor cells of hematopoiesis. (wikipedia.org)
In experimental settings, the ability of human HSCs to reconstitute hematopoiesis is measured by transplantation into genetically immunocompromised mice (e.g. (stemcell.com)
Hematopoiesis is the process of blood cell formation. (thenoveldifference.com)
Using our fate mapping and proliferation reporter mouse models, we recently investigated how native hematopoiesis responds to systemic inflammation or blood loss (Munz et al. (digs-bb.de)
Similar to tissue-resident macrophages, mast cells are of dual ontogeny and are generated during both fetal and adult ("definitive") hematopoiesis. (digs-bb.de)
Mouse models for fate mapping and proliferation tracking allow investigating the contribution of HSC to native hematopoiesis. (digs-bb.de)
Transcriptional analysis showed that BM mesenchymal stromal cells (BMSCs) were severely affected, with a reduction in cell ratio, abnormal metabolism, compromised differentiation potential, and defective hematopoiesis-supportive function, all of which were validated by functional assays. (bvsalud.org)
Inhibition of hematopoiesis results in reduced populations of blood forming cells. (hoajonline.com)
Myelodysplastic syndrome (MDS) in childhood is a diverse group of clonal bone marrow disorders characterized by peripheral cytopenia, dysplastic changes in the bone marrow, and ineffective hematopoiesis. (medscape.com)
Although bone marrow fibrosis is seen in a variety of malignant and non-malignant disease states, the deposition of reticulin and collagen fibrosis in the bone marrow of patients with myelofibrosis is believed to be mediated by the myelofibrosis hematopoietic stem/progenitor cell, contributing to an impaired microenvironment favoring malignant over normal hematopoiesis. (haematologica.org)
The myelodysplastic syndromes (MDS) are a group of clonal neoplastic hematologic disorders characterized by varying degrees of bone marrow failure, abnormal hematopoiesis, and proliferation of myeloid blast cells. (acgtfoundation.org)
4 Maintenance of hematopoiesis: role of early b cell factor 2 matthias kieslinger. (vinastemcelllab.com)
gene transfer, hematopoietic stem cells, lentiviral vectors, mesenchymal stem/progenitor cells, bone marrow transplantation, hematopoiesis Introduction HIV-based lentiviral vectors (LV) were proven to be capable of transducing a broad spectrum of nondividing cells in multiple mammalian species cIAP1 Ligand-Linker Conjugates 14 [1]. (eyesoftheelephants.com)
Clonal hematopoietic stem cell disorders characterized by ineffective hematopoiesis and peripheral cytopenias. (standardofcare.com)
Decades of efforts have attempted to differentiate the pluripotent stem cells (PSCs) into truly functional hematopoietic stem cells (HSCs), yet the problems of low differentiation efficiency in vitro and poor hematopoiesis reconstitution in vivo still exist, mainly attributing to the lack of solid, reproduced, or pursued differentiation system. (biomedcentral.com)
Although hematopoietic stem and progenitor cells (HSPCs) enable autologous treatment of blood disorders, de novo generation of hematopoietic cells from pluripotent stem cells still compromises the unlimited high yield and rich hematopoiesis engraftment potential [ 2 ]. (biomedcentral.com)
All 3 cell lineages in myeloid hematopoiesis can be involved, including erythrocytic, granulocytic, and megakaryocytic cell lines. (medscape.com)

HSCs make up a very small population of the hematopoietic system, however, these cells are invaluable as they have the potential to give rise to all mature blood and immune cell types and sustain life-long blood production. (stemcell.com)
HSCs specifically are defined by their ability for self-renewal and to reconstitute the entire hematopoietic system following transplantation. (stemcell.com)
CD34 is the most commonly used cell surface marker to identify human HSPCs as it is expressed on HSCs, in addition to both multipotent and more differentiated progenitor cells of individual blood cell lineages. (stemcell.com)
Hematopoietic stem cells (HSCs) are a type of multipotent stem cell found primarily in the bone marrow and, to a lesser extent, in peripheral blood. (thenoveldifference.com)
HSCs have the remarkable ability to differentiate into a wide range of specialized blood cells. (thenoveldifference.com)
Hematopoietic stem cells (HSCs) are at the top of the hematopoietic hierarchy and can differentiate into all types of mature blood cells throughout life. (digs-bb.de)
HSCs were first identified by transplantation, in which recipient mice were preconditioned with ionizing radiation and reconstituted with donor bone marrow. (digs-bb.de)
We recently unraveled an alternative pathway of thrombopoiesis, in which HSCs directly differentiate into megakaryocytes, bypassing the classical multipotent progenitor intermediates (Morcos, Li, Munz et al. (digs-bb.de)
According to this concept, HSCs are activated by an increased demand for mature blood cells in situations such as systemic infection or severe blood loss. (digs-bb.de)
We hypothesize that the continuous but rare differentiation of quiescent HSCs into rapidly dividing progenitors limits mutation accumulation in the hematopoietic system. (digs-bb.de)
Long-term hematopoietic stem cells (LT-HSCs) maintain hematopoietic output throughout an animal's lifespan. (biorxiv.org)
Here, we show that young and aged LT-HSCs respond differently to inflammatory stress, such that aged LT-HSCs produce a cell-intrinsic, myeloid-biased expression program. (biorxiv.org)
Using single-cell RNA-seq, we identify a myeloid-biased subset within the LT-HSC population (mLT-HSCs) that is much more common amongst aged LT-HSCs and is uniquely primed to respond to acute inflammatory challenge. (biorxiv.org)
Aged LT-HSCs demonstrate a cell-intrinsic myeloid bias during inflammatory challenge. (biorxiv.org)
Mesenchymal stem cells (MSCs) and hematopoietic stem cells (HSCs) were derived from syngenic mouse bone marrow. (vinastemcelllab.com)
Diabetic mice were transplanted with HSCs and insulin-producing cells (IPCs) via the tail vein after destroying the bone marrow. (vinastemcelllab.com)
The results showed that transplantation of both IPCs and HSCs elicited greater improvements in body weight, blood glucose level and survival time than did transplantation of HSCs or IPCs alone. (vinastemcelllab.com)
Several HOX transcription factors, including HOXB4, are highly expressed in hematopoietic stem cells (HSCs) but are downregulated upon differentiation towards more mature progeny cells. (dissertations.se)
moreover, they also promote the hematopoietic differentiation of mouse ESCs and favor the development of definitive HSCs from pre-HSCs in the mouse aorta-gonad-mesonephros (AGM) region [ 8 ]. (biomedcentral.com)
Hematopoietic stem cells (HSCs) are a rare hematopoietic cell type that can entirely reconstitute the blood and immune systems following transplantation. (stanford.edu)

The cells are characterized by expressing the cell surface markers CD33, CD34 and HLA-DR. These surface markers are proteins on the surface that are unique to specific cells and certain maturation periods, allowing researchers to differentiate between two different cells as well as what stage the cell is found in its developmental progression. (wikipedia.org)
Maturation of the terminally differentiated cell loses the phenotype of the self-renewal antigen (eg. (hoajonline.com)
There he worked with Dr. Max D. Cooper (Howard Hughes Medical Institute, National Academy of Sciences) and his research focused on cell surface proteins expressed by preB cells that regulate B cell maturation and homing. (ubc.ca)
There his work focused on transcriptional control of hematopoietic stem cell maturation and cell fate. (ubc.ca)
Additionally, we were able to reconstruct the three developmental phases during osteoblast differentiation: proliferation, matrix maturation, and mineralization, and illustrate the activation of the SMAD signaling pathways by TGF-β2 and BMPs. (biomedcentral.com)
All are characterized by a hypercellular or hypocellular marrow with impaired morphology and maturation (dysmyelopoiesis) and peripheral blood cytopenias, resulting from ineffective blood cell production. (medscape.com)
As a result, the pathologic cells of LCH have been hypothesized to represent Langerhans cells in a state of arrested maturation. (medscape.com)

To qualify as stem cells, self-renewal has to be shown as well [ 10 ]. (hindawi.com)
Overview on self-renewal or differentiation of stem cells in their respective stem cell niche. (hindawi.com)
They produce a defined number of specialized cells and do not have the same capacity for self-renewal as stem cells. (thenoveldifference.com)
Transcription factors and cellular signaling pathways play an important role in their self-renewal process.Self-renewal is abrogated when the terminal differentiation occurs. (hoajonline.com)
MSCs have the capacity of multiple differentiations and self-renewal and have been proven to be able to differentiate into a series of cell lineages, such as adipocytes, osteoblasts, chondroblasts, and hepatocyte-like cells (HLCs). (springer.com)
Melinda is highly proficient in the use of in vitro and in vivo assays for normal and malignant hematopoietic stem and progenitor cells, determination of self-renewal, expansion and lineage specific differentiation capabilities, and the use of induced pluripotent stem cells for the investigation of hematopoietic disorders and leukemic progression and the testing of targeted therapeutics. (edu.au)
For instance, during stem cell differentiation, which is necessary for normal bloodstream cell creation, HSC leave quiescence to create older multi- and oligopotent progenitor cells, with concurrent lack of self-renewal potential and gain in proliferative activity [3]. (abic2004.org)
Considerably, while differentiation of HSC to multipotent progenitors (MPP) is normally associated with elevated proliferation and lack of self-renewal activity [4]C[6], change and mobilization of HSC induces proliferation without lack of self-renewal potential, demonstrating a proliferative condition will not preclude maintenance of long-term self-renewal highly. (abic2004.org)
Malignant transformation usually occurs at the pluripotent stem cell level, although it sometimes involves a committed stem cell with more limited capacity for self-renewal. (msdmanuals.com)
Despite growing experience and knowledge concerning human MSC and their use in cell-based strategies, the molecular mechanisms that govern MSC self-renewal, expansion and multilineage differentiation are not well understood and remain an active area of investigation. (biomedcentral.com)
The expression of RUNX1 mutant in ASXL1 -mutated myeloid cells augmented proliferation, blocked differentiation, and increased self-renewal activity. (biomedcentral.com)
Further, Fgfr3 + endosteal stromal cells give rise to aggressive osteosarcoma-like lesions upon loss of p53 tumor suppressor through unregulated self-renewal and aberrant osteogenic fates. (nature.com)
The mutation occurs in hematopoetic stem cells capable of self renewal and additional mutations are associated with clonal progression may occur in progenitor cells conferring a self renewal capability. (standardofcare.com)
Stem cells (SCs) are undifferentiated cells with self-renewal ability and capacity to differentiate into specialized cell types. (bvsalud.org)

In the adjacent image, CFU-GEMM is the scientific name for the "common myeloid progenitor" that is responsible for forming all the cells of the myeloid lineages. (wikipedia.org)
Hematopoietic stem cells give rise to progenitor cells, which, in turn, differentiate into specific blood cell lineages. (thenoveldifference.com)
This experimental paradigm revealed the existence of a rare population of somatic stem cells that can stably reconstitute all blood lineages lifelong. (digs-bb.de)
Aberration occurs in a stem cell that can give rise to multiple lineages. (medscape.com)
This event explains the presence of multiple derangements observed in the bone marrow that involve several cell lineages. (medscape.com)
Adenoviral mediated overexpression of HOXB4 in human primitive hematopoietic cells in vitro generates very high levels of HOXB4 within 24 hours of transduction, leading to an increased differentiation towards myeloid lineages, and to a reduction of primitive hematopoietic progenitors, suggesting that the level of HOXB4 expression may determine the fate options following gene transfer. (dissertations.se)
In addition, my lab studies the process of developmental committment to the B cell lineages, using 7-color flow cytometry on a state-of-the-art 3 laser FACS. (umassmed.edu)
Conditions associated with bone marrow failure such as aplastic anemia with hypocellular marrow, typical bone marrow findings of MDS are a hypercellular marrow for a persons age, dysplasia in 1 to 3 lineages manifested by pseudo Pelger-Huet nuclei, hypogranular neutrophils, micro megakaryocytes, and/or ringed sideroblasts, glass Siri glass, and increased myeloblasts in a subset of patients. (standardofcare.com)

The colony-forming unit (CFU) assay is a clonal, in vitro culture assay that measures the growth and frequency of functionally viable HSPCs by assessing the proliferation and differentiation of individual progenitor cells, resulting in the formation of discrete colonies in a semi-solid methylcellulose medium (such as MethoCult™ ) when supplemented with appropriate cytokines. (stemcell.com)
Other uses of the CFU assay include studying the effects of stimulatory and inhibitory growth factors, screening novel compounds to predict potential toxicity to the hematopoietic system, and testing the effects of various in vitro manipulations (e.g. cell processing, cryopreservation, gene transduction, and transmission) on cellular products used in hematopoietic cell transplantation. (stemcell.com)
Expansion of MSCs was shown to be limited to a few passages of in vitro culture and the cells underwent replicative senescence [ 11 ]. (hindawi.com)
Changes in the differentiation potential of MSCs after in vitro expansion were noted and chondrogenic clones especially disappeared early on [ 12 ]. (hindawi.com)
Therefore, available in vitro protocols for expansion of MSCs do not yield true stem cells. (hindawi.com)
In vitro, MPL515/630 but not MPL515/625 or MPL515/625/630 retained the ability to induce TPO-independent proliferation and increase colony-forming unit megakaryocytes (CFU-Mk). (biomedcentral.com)
Furthermore, we demonstrated that these automatically isolated cells bear proliferation and differentiation capacities comparable to manually isolated cells in vitro. (biomedcentral.com)
Following in vitro exposure to CTX, hBMSCs showed decreased cell growth in a dose- and time-dependent manner, accompanied by increased expressions of collagen-I/III, and CD31. (ijbs.com)
We employed in vitro cultures and two in vivo models to investigate whether androgens exert these effects directly on marrow lymphoid precursors or whether actions on marrow stromal elements are required. (jci.org)
Although liver failure can be treated via hepatocyte transplantation, it also faces multiple problems comprising the shortage of high-quality hepatocytes sources, rejection of allogeneic transplants, difficulty to expand, and losing hepatic characteristics in vitro [ 7 , 8 ]. (springer.com)
Different groups have established several protocols to induce the differentiation of MSCs into HLCs in vitro . (springer.com)
Mouse nuclear transfer embryonic stem cells (NT-ESCs) were first established in 2000, and then proved to be able to differentiate either in vivo or in vitro, and give rise to individual tissues through germ line transmission or tetraploid complementation. (benthamscience.com)
Both MDSC phenotypes pre-ASCT but not post-ASCT similarly suppressed in vitro autologous T and natural killer T cell proliferation. (biomedcentral.com)
To evaluate the leukemogenic role of RUNX1-MT in ASXL1 -mutated cells, we co-expressed RUNX1 -MT (R135T) and ASXL1 -MT (R693X) in different cell lines and performed immunoblot, co-immunoprecipitation, gene expression microarray, quantitative RT-PCR, cell proliferation, differentiation, and clonogenic assays for in vitro functional analyses. (biomedcentral.com)
In this study, we established an in vitro differentiation system yielding in vivo hematopoietic reconstitution hematopoietic cells from mouse PSCs through a 3D induction system followed by coculture with OP9 stromal cells. (biomedcentral.com)
Flow cytometry analysis, RNA-seq, and cell cycle analysis were used to detect the in vitro hematopoietic ability of endothelial protein C receptor (EPCR, CD201) cells generated in our induction system. (biomedcentral.com)
Further, we innovatively demonstrated that notch signaling pathway is responsible for in vitro CD201 + hematopoietic cell induction from mouse PSCs. (biomedcentral.com)

We also have a long-standing interest in mast cells and the rare human disease mastocytosis, which is characterized by an abnormal accumulation of these cells in various organs. (digs-bb.de)
Abnormal mutations in stem cells were found accompanying with the occurrence of MPN. (biomedcentral.com)
Abnormal proliferation, clonal expansion, aberrant differentiation, and diminished apoptosis (programmed cell death) lead to replacement of normal blood elements with malignant cells. (msdmanuals.com)
In patients with unexplained anemia, thrombocytopenia, or neutropenia without dysplasia in the bone marrow but with abnormal chromosome activity in 5, 7 or 13 the diagnosis is consistent with MDS and occurs in less than 10% of patients with MDS. (standardofcare.com)
The clonal outgrowth of mutant stem cells favors and abnormal hematopoietic stem cell niche. (standardofcare.com)

In current terminology, CFU-S refers to the pluripotent stem cells that can differentiate into all types of blood cells. (wikipedia.org)
They differentiate into very specific cells. (thenoveldifference.com)
Embryonic stem cells which are characteristic of totipotency differentiate into generations of the multiple organs. (hoajonline.com)
The totipotentstem cells differentiate further into pluripotency thatpopulate the organs with different sub-divisional components of the various individual organs. (hoajonline.com)
mesenchymal stem cells - placenta) differentiate into multipotency as precursors to formation of the cellular components. (hoajonline.com)
In addition cIAP1 Ligand-Linker Conjugates 14 to HSC, bone marrow contains mesenchymal stem/progenitor cells (MSC), which can differentiate into mature cells of multiple mesenchymal tissues cIAP1 Ligand-Linker Conjugates 14 including fat, bone, and cartilage. (eyesoftheelephants.com)
Introduction Mesenchymal stromal cells (MSCs) are adult, fibroblast-like multipotent cells characterized by the ability to differentiate into tissues of mesodermal origin, such as adipocytes, chondroblasts, and osteoblasts (Friedenstein et al. (pdffox.com)
Because human mesenchymal stem cells are known to be sensitive to their mechanical environments, we investigated the mechanotransductive potential of Descemet membrane-like microtopography (DLT) to differentiate human mesenchymal stem cells into CEC-like cells. (lww.com)
Human mesenchymal stem cells (MSC) with the capacity to differentiate into osteoblasts provide potential for the development of novel treatment strategies, such as improved healing of large bone defects. (biomedcentral.com)
There already exist several protocols to genetically modify and differentiate iPSCs into NK cells, and each has its own advantages with regards to immunotherapies. (molcells.org)
Due to the ability to self-renew and to differentiate into cells that are found throughout the body, there is a great interest in using stem cells for the regeneration of injured tissues as well as to develop tissue-engineered implants and bio-hybrid organs, in order to restore tissue function. (bvsalud.org)

Thus, telomerase activity and telomere maintenance are associated with the immortality of cancer cells, germ-line cells, and embryonic stem (ES) cells. (nature.com)
6 Induced pluripotent stem cells from human extra-embryonic amnion cells: role of dna methylation in mainting stemness. (vinastemcelllab.com)
7 Smooth muscle cell differentiation from embryonic stem cells: role of hdac7 and pdgf-bb. (vinastemcelllab.com)
9 Tendon injury: role of differentiation of aduilt and embryonic derived stem cells. (vinastemcelllab.com)
Depending on the source, stem cells can be classified into two broad categories i.e. embryonic stem cells that are derived from embryos and non-embryonic stem cells that are derived from adult and fetal tissues. (benthamscience.com)
The non-embryonic stem cells like adult stem cells are in clinical use for many years and embryonic stem cells are now emerging as an alternative source for the same purpose with huge potentials in drug discovery and toxicological studies. (benthamscience.com)
Embryonic stem cells (ESCs) can grow infinitely and give rise to all types of cells in human body, thus of tremendous therapeutic potentials for a variety of diseases, such as Parkinson's disease, spinal cord injury, and diabetes. (benthamscience.com)
Long-term physioxic expansion also afforded culture-based ex vivo HSC selection from whole bone marrow, spleen, and embryonic tissues. (stanford.edu)
1,2 Regarding the origin, they can be classified as embryonic stem cells (ESCs) and adult stem cells (ASCs). (bvsalud.org)
3,4 The zygote and cells derived from the first two cellular divisions constitute the most primitive cells (totipotent cells) that are capable of forming the embryo and the embryonic annexes (e.g. placenta, amniotic membranes etc). (bvsalud.org)

13 Proliferation of bone marrow-derived human mesenchymal stem cells: role of enamel matrix proteins. (vinastemcelllab.com)

The pluripotent stem cells (eg. (hoajonline.com)
Retention of cellular phenotype is the hallmark of differentiation of pluripotent stem cells. (hoajonline.com)
12 Induced pluripotent stem cell production and characterization: an overview of somatic cell reprogramming. (vinastemcelllab.com)
14 Pluripotent cell-derived glial precursor cells for the delivery of therapeutic proteins to the central nervous system. (vinastemcelllab.com)
Kuldip S. Sidhu , " Frontiers in Pluripotent Stem Cells Research and Therapeutic Potentials Bench-to-Bedside ", Bentham Science Publishers (2012). (benthamscience.com)
Induced pluripotent stem cells, another types of pluripotent stem cells derived from any tissue by reprogramming and are the homologous source of stem cells. (benthamscience.com)
The discovery of human pluripotent stem cells (PSCs) at the turn of the century opened the door to a new generation of regenerative medicine research. (molcells.org)
Among PSCs, the donors available for induced pluripotent stem cells (iPSCs) are greatest, providing a potentially universal cell source for all types of cell therapies including cancer immunotherapies using natural killer (NK cells). (molcells.org)
Among stem cells, induced pluripotent stem cells (iPSCs) have a number of features that make them ideal as the starting source. (molcells.org)
Considerable effort has thus been devoted to generating induced pluripotent stem cells (iPSCs) from multiple non-human primate species. (stanford.edu)
3 Embrionic stem cells (ESCs) are derived from the inner cell mass of the blastocyst and form all cell types, derived from the three germ layers, and are therefore pluripotent. (bvsalud.org)

Preconditioning of recipients by lethal irradiation or chemotherapy forces transplanted hematopoietic stem and progenitor cells to realize their maximum potential, but this does not necessarily reflect their fate and behavior in the native bone marrow environment. (digs-bb.de)
Hu G, Liu P, Feng J, Jin Y. Transplantation with Bone Marrow Stromal Cells Promotes Wound Healing Under Chemotherapy through Altering Phenotypes. (ijbs.com)
Stem cell transplantation is a promising strategy for delayed wound healing caused by chemotherapy. (ijbs.com)
However, the fate of stem cells under chemotherapy has not been fully elucidated. (ijbs.com)
Treatment for this condition remains difficult and largely ineffective, because the growth of cells in the wound is inhibited ( 2 ) and chemotherapy usually leads to myelosuppression, the latter of which further compromises the migration of multipotent cells from the bone marrow ( 3 ). (ijbs.com)
The presence of inflammatory cytokines after high-dose chemotherapy leads to proliferation and activation of MDSCs originating from autologous hematopoietic progenitors at the time of engraftment. (biomedcentral.com)
Treatment typically includes combination chemotherapy to achieve remission, intrathecal and systemic chemotherapy and/or corticosteroids for CNS prophylaxis, and sometimes cerebral irradiation for intracerebral leukemic infiltration, consolidation chemotherapy with or without stem cell transplantation, and maintenance chemotherapy for up to 3 years to avoid relapse. (msdmanuals.com)
Standard care for MDS is constantly changing, but it typically includes supportive therapy, including transfusions, and may include bone marrow stimulation and cytotoxic chemotherapy. (medscape.com)

For decades, hematopoietic stem and progenitor cells have been studied primarily through such transplantation-based assays. (digs-bb.de)
The biological activity of automatically isolated CD133 + cells was evaluated and compared to manually isolated CD133 + cells via functional assays as well as immunofluorescence microscopy. (biomedcentral.com)
This ability of MSCs to adopt a different phenotype in response to sensing an inflammatory environment is not captured in assays that are commonly used to characterize these cells, but it is crucial for understanding their therapeutic potential in immune-mediated disorders. (pdffox.com)
With a variety of assays we could show that MSC represent a cell population which can be expanded for therapeutic applications. (biomedcentral.com)

In leukemic cells, mTOR signaling activation is a mandatory prerequisite to reduce growing needs for energy and raw materials. (ijbiotech.com)
Preclinical data (presented at the European Hematology Association Conference in June 2014) show that by inhibiting the CXCR4 receptor, BL-8040 enhances the effect of FLT3 inhibition in killing FLT3-mutated leukemic cells. (technologynetworks.com)
As the disease progresses and converts into leukemia, further gene mutation occurs, and a proliferation of leukemic cells overwhelms the healthy marrow. (medscape.com)

The differentiation and proliferation of CFU-GEMM are promoted by growth factors, such as interleukins and cytokines. (wikipedia.org)
The stem cell will follow a specific lineage depending on the presence of certain growth factors and cytokines. (wikipedia.org)
The results of studies conducted by Carow, Hangoc, and Broxmeyer in 1993 reveal that the CFU-GEMM can be classified as a stem cell due to its high replating efficiency in the presence of certain growth factors and cytokines. (wikipedia.org)
Increased expression of inflammatory cytokines, lysyl oxidase, transforming growth factor-β, impaired megakaryocyte function, and aberrant JAK-STAT signaling have all been implicated in the pathogenesis of bone marrow fibrosis. (haematologica.org)
We discuss the rationale of various anti-fibrogenic treatment strategies targeting the clonal hematopoietic stem/progenitor cell, aberrant signaling pathways, fibrogenic cytokines, and the tumor microenvironment. (haematologica.org)
Thus, it has been shown that early EPCs release cytokines that promote tissue regeneration and neovasculogenesis, whereas late EPC and endothelial colony forming cells (ECFCs) contribute to the formation of blood vessels and stimulate tube formation. (intechopen.com)
In fact, only using the OP9 co-culture system combined with hematopoietic related cytokines, we hardly obtained the in vivo functional reconstitution hematopoietic cells from PSCs [ 9 ]. (biomedcentral.com)
Arguments supporting the reactive nature of LCH include the occurrence of spontaneous remissions, the extensive elaboration of multiple cytokines by dendritic cells and T-cells (the so-called cytokine storm) in LCH lesions, and the good survival rate in patients without organ dysfunction. (medscape.com)

Nevertheless, myelosuppression can be reversed by autologous stem cell transplantation (SCT), even without additional toxicity ( 4 , 5 ). (ijbs.com)
The aim of this study is to evaluate the prognostic impact of myeloid-derived suppressor cells (MDSCs) in multiple myeloma (MM) in the context of autologous stem cell transplantation (ASCT). (biomedcentral.com)

The paradox is that the mutation provides advantage at the stem cell level and progenitor cells, with a disadvantage at the level of hematopoietic precursors. (standardofcare.com)

Notch signaling promotes T cell pathogenicity and graft-versus-host disease (GVHD) after allogeneic hematopoietic cell transplantation (allo-HCT) in mice, with a dominant role for the Delta-like Notch ligand DLL4. (bvsalud.org)
Acute graft-versus-host disease (aGVHD) is a severe complication of allogeneic hematopoietic stem cell transplantation. (bvsalud.org)
Gene delivery through stem cells using specific viral vectors are also utilised to confer lineage specificity of transducedautologous or allogeneic stem cell gene expressionin the recipient while addressing graft versus host disease. (hoajonline.com)
Currently, allogeneic HSC transplantation has been widely used in a clinical setting, yet allogeneic transplantation often leads to graft versus host disease (GVHD) [ 1 ]. (biomedcentral.com)

2 Sensitivity of hematopoietic and leukemic stem cells to hoxa gene levels. (vinastemcelllab.com)
He performed some of the first studies to identify transcription factors that regulate the gene expression and differentiation of eosinophils, which are known to play a major role in allergic and asthmatic responses. (ubc.ca)
Through gene knockout studies he has shown that these molecules act as a type of molecular "Teflon" to make cells more mobile and invasive and also facilitate chemotaxis. (ubc.ca)
Herein, the growth and proliferation, gene expression, multipotency and phenotype of cultured hBMSCs were compared with those incubated with CTX. (ijbs.com)
Transcriptome analysis showed several changes in the gene expression involving circadian regulation, mitochondrial metabolism and immune responses after cardiomyocyte transplantation. (cell-signaling-pathways.com)
First, maintaining stem cell properties including repopulation potential during culture is usually a prerequisite of any successful gene transfer approach. (eyesoftheelephants.com)
Bone marrow stem cells from adults have been viewed as the ideal target for gene- and cell-based therapy of genetic diseases, selected malignant diseases, and AIDS. (eyesoftheelephants.com)
Moreover, the combination of gene modification and directed differentiation of ESCs provides perfect tool for disease modelling and drug discovery. (benthamscience.com)
My lab is interested in what controls the initiation of antibody gene rearrangement during B cell development. (umassmed.edu)
1 V(D)J recombination and the activity of genes of interest (using GFP as a reporter of gene expression) can be detected as intracellular fluorescence and are measured simultaneously in the same cell population, at the single cell level. (umassmed.edu)
Elucidation of stem cell regulatory systems in lots of systems continues to be advanced greatly lately by the use of genome-wide profiling methods to characterize gene regulatory systems in purified stem cell populations. (abic2004.org)
Finally we analyzed the gene expression profiles of MSC during osteogenic differentiation. (biomedcentral.com)
Moreover, the RUNX1 mutant protein was more stable than WT and increased HIF1-α and its target ID1 gene expression in ASXL1 mutant cells. (biomedcentral.com)
In this review, we examine the manufacturing and gene engineering of NK cells generated from iPSCs (iPS-NK) for ACT. (molcells.org)
Ectopic expression of gene BCL2 enhances the survival and proliferation of chimpanzee and pig-tailed macaque iPSCs within the pre-implantation embryo, although the identity and long-term contribution of the transplanted cells warrants further investigation. (stanford.edu)

NOD-SCID-Gamma (NSG) mice) and measuring the presence of human blood cells in the blood or bone marrow (BM) after extended periods of engraftment, e.g., 20 weeks or longer. (stemcell.com)
The MSCs have been described for the first time as colony forming fibroblasts (CFU-F), a rare population of cells residing in the bone marrow of guinea-pigs or mice [ 1 , 2 ]. (hindawi.com)
Physiologic aging in both humans and mice leads to permanent changes in LT-HSC function, such as myeloid-biased hematopoietic output ( Akunuru and Geiger, 2016 ). (biorxiv.org)
Basically, given the difference of telomere and telomerase activity in human and mouse cells, the telomere and telomerase status in stem cell populations is different between humans and mice ( Harrington, 2004 ). (nature.com)
Studies in our knockout mice reveal that deficiency of HOXB4 leads to a hypocellularity in hematopoietic organs and impaired proliferative capacity. (dissertations.se)
In addition, the regenerative potential of purified stem cells was assessed 3 weeks after transplantation in immunodeficient mice which had been subjected to experimental myocardial infarction. (biomedcentral.com)
Herein we characterized human fetal bone marrow stromal cells (hBMSCs) during wound healing in mice treated with cyclophosphamide (CTX). (ijbs.com)
Castration of normal male mice induces expansion of the bone marrow B cell population, an effect that can be reversed by androgen replacement. (jci.org)
Androgens only affected B cell development in chimeric mice with androgen-sensitive stromal cells. (jci.org)
Cardiomyocyte Transplantation Alters the Dynamics of the Immune Response in the Heart after MI in C57BL/6J Mice Mice underwent permanent MI through ligation of the LAD. (cell-signaling-pathways.com)
BCI) Flow cytometric analysis of the various immune cell populations in the heart (BCH) and spleen (I) of C57BL/6J mice four and seven days following MI and cardiomyocyte transplantation (MIC). (cell-signaling-pathways.com)
Following intravenous administration of a first-generation LV into adult mice, we found that bone marrow exhibited the highest levels of transgene among nine organs examined, with more than 10% green fluorescent protein-positive (GFP+) cells detected in peripheral blood leukocytes (PBL) in these mice [9]. (eyesoftheelephants.com)
It was also observed by others that a significant transgene signal was detected in the bone marrow (BM) by PCR analysis in adult mice of systemic administration of HIV-biased LV [10]. (eyesoftheelephants.com)
Recently, we exhibited detectable levels of transgene (up to 3.9%) in PBL of mice 4 months after secondary bone marrow transplantation (BMT) of HSC transduced by delivery of LV in newborn pups [11]. (eyesoftheelephants.com)
Mice transduced with both ASXL1 and RUNX1 mutations enhanced inhibitor of DNA binding 1 (ID1) expression in the spleen, liver, and bone marrow cells. (biomedcentral.com)

ABSTRACT This study examined haematopoietic stem cells of 19 high-risk cases of myelodysplastic syndrome (MDS) for apoptotic and anti-apoptotic signals and cellular proliferation and correlated these with clinical and cytogenetic subtypes, particularly trisomy 8. (who.int)

However, transplanting other than hematopoietic stem and progenitor cells is still limited to a few applications, and it mainly applies to mesenchymal stromal cells (MSCs) isolated from bone marrow. (hindawi.com)
But research progressed and different trials explore the clinical potential of human MSCs isolated from bone marrow but also from other tissues including adipose tissue. (hindawi.com)
Recently, MSCs isolated from bone marrow (bmMSCs) were shown to be a blend of distinct cells and MSCs isolated from different tissues show besides some common features also some significant differences. (hindawi.com)
We therefore briefly discuss differences found in subsets of human bmMSCs and in MSCs isolated from some other sources and touch upon how this could be utilized for cell-based therapies. (hindawi.com)
Human bmMSCs were described in the late nineties as well [ 6 ] and at the same time a breakthrough study investigated the expression of typical cell surface markers and the proliferation and differentiation properties of human MSCs in more detail [ 7 ]. (hindawi.com)
Overview of studies published regarding MSCs using the term "stem cell" or "stromal cell" in the last 20 years accessed by a web search in July 2015 (Google Scholar). (hindawi.com)
It seems that the term "stem cell" became more popular although the "stemness" was only shown in a more strict sense for MSCs involved in osteogenesis and bone repair. (hindawi.com)
When the biological properties of MSCs were explored in more detail, questions arose whether these cells met the criterion of a true stem cell [ 8 ]. (hindawi.com)
Nowadays, experts agree that MSCs may generate upon appropriate stimulation quite different mature cells including osteoblasts, chondrocytes, tenocytes, adipocytes, smooth muscle cells, and stromal cells of the bone marrow [ 9 ]. (hindawi.com)
MSCs were also investigated for stem cell qualities in vivo. (hindawi.com)
In fact, low levels of telomerase activity have been found in human adult stem cells including haematopoietic and non-haematopoietic stem cells such as neuronal, skin, intestinal crypt, mammary epithelial, pancreas, adrenal cortex, kidney, and mesenchymal stem cells (MSCs) ( Table 1 ). (nature.com)
Therefore, MSCs may help resolve issues restricting the application of hepatocyte transplantation. (springer.com)
In addition to their stem/progenitor properties, mesenchymal stromal cells (MSCs) possess broad immunoregulatory properties that are being investigated for potential clinical application in treating immune-based disorders. (pdffox.com)
1999). First identified and isolated from the bone marrow (BM), MSCs can now be expanded from a variety of other tissues including adipose tissue (AT), umbilical cord blood (UCB), skin, tendon, muscle, and dental pulp (Im et al. (pdffox.com)
In response to this challenge, the International Society for Cellular Therapy formulated minimal criteria for defining MSCs in order to create a broader consensus for more uniform characterization of these cells (Dominici et al. (pdffox.com)
2007). In addition to their stem/progenitor properties, MSCs have also been shown to possess broad immunoregulatory abilities and are capable of influencing both adaptive and innate immune responses. (pdffox.com)
Mesenchymal stem cells (MSCs) are ASCs, and were first described in 1966 by Friedenstein et al. (bvsalud.org)
MSCs can be isolated from different locations, such as bone marrow, umbilical cord, placenta, adipose and dental tissues. (bvsalud.org)

There is clonal proliferation of malignant hematopoietic stem cells, dysregulated cellular differentiation, and compromised tissue function. (standardofcare.com)

Progenitor cells play a crucial role in tissue repair and regeneration. (thenoveldifference.com)
They are committed to a specific cell lineage but retain the ability to generate a limited range of related cell types, making them essential for tissue repair, regeneration, and potential medical interventions. (thenoveldifference.com)
We want to understand how the hierarchical organization of mature blood cell regeneration from stem and progenitor cells shapes the accumulation of somatic mutations and hence the risk of developing blood cancer. (digs-bb.de)
Therapeutic regeneration of molecularly engineered and transplanted autologous stem cells in neurological and cardiovascular diseases due to inability of self-regeneration or repair of endogenous stem cells at sites of inflammation or disease at various stages of progress for regeneration of the damaged tissue depending upon the sites and nature of degeneration. (hoajonline.com)
The best hope for regeneration of these permanently damaged cells is optic stem cell therapy combined with continued drug treatments or other exogenous biomaterial implants depending upon the relevant ophthalmological condition. (hoajonline.com)
Enforced expression of HOXB4 dramatically increases the regeneration of murine HSC following transplantation, and enhances the repopulating ability of human SCID repopulating cells. (dissertations.se)
These cells can be differentiated into mature endothelial cells, which are involved in processes of angiogenesis and vessel regeneration. (intechopen.com)
CD133 + stem cells represent a promising subpopulation for innovative cell-based therapies in cardiovascular regeneration. (biomedcentral.com)
Adult stem cells remain of particular interest as therapeutic agents for cardiac regeneration in ischemic heart disease [ 1 - 4 ]. (biomedcentral.com)
The regeneration potential of these cells is mainly based on their direct contribution to neovascularization and on their secretion of various paracrine factors activating pro-angiogenic mechanisms [ 13 - 16 ]. (biomedcentral.com)
According to the European Medicines Agency (EMA) BM-derived CD133 + stem cells intended for the regeneration of human ischemic heart tissue are classified as an advanced therapy medicinal product (ATMP) [ 17 ]. (biomedcentral.com)
This article is intended to provide a review of the most current approaches to utilizing stem cells and bioengineering principles for the purpose of salivary tissue regeneration. (biomedcentral.com)
These cells have been studied for the treatment of periodontitis, bone repair, regeneration of the pulp after necrosis as well as the development of new teeth. (bvsalud.org)

they are thus also called common myeloid progenitor cells or myeloid stem cells. (wikipedia.org)
MDS is a clonal disorder of myeloid stem cells. (medscape.com)
Co-expression of two mutant genes increased myeloid stem cells in animal model, suggesting that cooperation of RUNX1 and ASXL1 mutations played a critical role in leukemia transformation. (biomedcentral.com)

In vivo, MPL515/630 but not MPL515/625 or MPL515/625/630 induced typical features of MPNs with high WBC and platelet counts, splenomegaly, hepatomegaly and hypercellularity in the bone marrow. (biomedcentral.com)
The stromal cell requirement for androgen-mediated effects was confirmed in vivo by experiments using chimeric animals created by bone marrow transplantation in which androgen receptor expression was restricted to either the stromal or lymphoid cells of the bone marrow. (jci.org)
2 Despite having high metabolic activity, human CECs (hCECs) do not proliferate in vivo because these cells arrest in the G1 phase of the cell cycle. (lww.com)
However, their low frequency in bone marrow necessitate ex vivo expansion for further clinical application. (biomedcentral.com)
In this study we asked if MSC are developing in an aberrant or unwanted way during ex vivo long-term cultivation and if artificial cultivation conditions exert any influence on their stem cell maintenance. (biomedcentral.com)
We monitored these cells during their expansion ex vivo with respect to proliferation kinetics, surface marker profile and differentiation potential. (biomedcentral.com)
The in vivo effect was investigated using the C57BL/6 mouse bone marrow transplantation (BMT) model. (biomedcentral.com)
The discovery of this new class of SSCs is based on the conjunction of evidence from unbiased single-cell molecular profiling and functional dissection of the BMSC lineage hierarchy using in vivo cell lineage analysis. (nature.com)
The in vivo hematopoietic reconstitution potential of c-kit + cells derived from the mouse PSCs was evaluated via m-NSG transplantation assay. (biomedcentral.com)
The c-kit + cells from 3D self-assembling peptide induction system followed by the OP9 coculture system possessed apparently superiority in terms of in vivo repopulating activity than that of 3D induction system followed by the 0.1% gelatin culture. (biomedcentral.com)
Altogether, our findings lay a foundation for improving the efficiency of hematopoietic differentiation and generating in vivo functional HSC-like cells from mouse PSCs for clinical application. (biomedcentral.com)
Ex vivo HSC expansion has been suggested as an approach to improve hematopoietic reconstitution from low-cell dose grafts. (stanford.edu)
Furthermore, we provide evidence that HSC-selective ex vivo cultures deplete GvHD-causing T cells and that this approach can be combined with genotoxic-free antibody-based conditioning HSCT approaches. (stanford.edu)

The stromal cell products responsible for these effects of estrogens have not been identified. (jci.org)

24 Proteomic characterization of mesenchymal stem cell-like populations derived from various tissue types. (vinastemcelllab.com)
The various cell populations were identified based on the strategy presented in Figure 1. (cell-signaling-pathways.com)
The bone marrow contains various populations of skeletal stem cells (SSCs) in the stromal compartment, which are important regulators of bone formation. (nature.com)
Specifically, a variety of other cellular populations have been identified that possess phenotypic characteristics similar to Langerhans cells, including expression of CD207 and Birbeck granules. (medscape.com)

Human endothelial progenitor cells (hEPCs) are adult stem cells, located in the bone marrow and peripheral blood. (intechopen.com)
Different phenotypes and subtypes of endothelial progenitor cells (EPCs), such as early and late EPCs, have been described according to their functionality. (intechopen.com)
Loss of corneal endothelial cells (CECs) bears disastrous consequences for the patient, including corneal clouding and blindness. (lww.com)
1 If the number of corneal endothelial cells (CECs) falls below a certain threshold because of traumatic injury, disease, or normal aging processes, functionality of the CE is decreased, and the cornea swells and becomes milky, leading to eventual vision loss. (lww.com)

Hematopoietic stem cells are widely used in medical treatments, particularly in bone marrow transplantation for individuals with hematological disorders like leukemia or aplastic anemia. (thenoveldifference.com)
Hematopoietic stem cells are pivotal in maintaining the body's blood cell supply, and their versatility makes them invaluable in both medical treatments and scientific research related to blood disorders and regenerative medicine. (thenoveldifference.com)
Thus homeostasis of T regulatory cells is an overbearing requirement for prevention of autoimmune disorders arising from uncontrolled self-tolerance which also permits malignancies to occur. (hoajonline.com)
Childhood MDS is more commonly associated with inherited bone marrow failure syndromes and other genetic disorders. (medscape.com)
His work covers various topics, including B cell responses to viral infection and vaccination, human primary immunodeficiency, and biology of lymphocyte development and function and to elucidate etiology of immunological disorders. (stanford.edu)
Thought to be disorders of hematopoietic stem cells, clonal cytogenetic abnormalities are frequently identified. (acgtfoundation.org)
Corneal transplantation is currently the only therapy for severe corneal disorders. (lww.com)
Myeloproliferative diseases are a heterogeneous group of disorders characterized by cellular proliferation of one or more hematologic cell lines in the peripheral blood, distinct from acute leukemia. (medscape.com)
Bone marrow histology shows hypercellularity in most of these disorders. (medscape.com)
A heterogenous group of myeloid disorders characterized by somatically mutated hematopoietic stem cells,the presence of variable peripheral cytopenias, and a broad risk of progression to acute myeloid leukemia (AML). (standardofcare.com)
Myelodysplastic syndrome (MDS) refers to a heterogeneous group of closely related clonal hematopoietic disorders. (medscape.com)
Langerhans cell histiocytosis (LCH) is a group of idiopathic disorders characterized by the presence of cells with characteristics similar to bone marrow-derived Langerhans cells juxtaposed against a backdrop of hematopoietic cells, including T-cells, macrophages, and eosinophils. (medscape.com)
The working group of the Histiocyte Society divided histocytic disorders into three groups: (1) dendritic cell histiocytosis, (2) macrophage-related disorders, and (3) malignant histiocytosis. (medscape.com)

Progenitor cells are often located within specific tissues, close to where they will ultimately function. (thenoveldifference.com)
They offer the potential to replace damaged or dysfunctional cells in specific tissues or organs. (thenoveldifference.com)
hEPCs have been used for cell-based therapies due to their capacity to contribute in the re-endothelialization of injured blood vessels and neovascularization in ischemic tissues. (intechopen.com)
In order to address the limits associated with current therapies, many research groups have investigated various regenerative medicine strategies utilizing different stem cell sources to engineer artificial salivary tissues that can mitigate the effects of xerostomia and hyposalivation. (biomedcentral.com)
However, the accurate quantitation of mixed cell types in chimeric and mosaic tissues is complicated by sample preparation bias, transgenic silencing, phenotypic similarity, and low-throughput analytical pipelines. (stanford.edu)
In human postnatal dental tissues, five main sources of DSCs have been identified: dental pulp stem cells (DPSCs), 11 stem cells from human exfoliated deciduous teeth (SHEDs), 12 periodontal ligament stem cells (PDLSCs), 13 dental follicle stem cells (DFSCs) 14 and stem cells from apical papilla (SCAPs). (bvsalud.org)

The 2016 World Health Organization (WHO) classification of lymphoid neoplasms incorporates genetic data, clinical features, cell morphology, and immunophenotype, all of which have important implications for disease prognosis and management. (msdmanuals.com)

A total of 62 patients with dry eye disease caused by GVHD after allogeneic hematopoietic stem cell transplantation (HSCT) were recruited from the First Affiliated Hospital of Soochow University between 2012 and 2020. (bvsalud.org)
Nevertheless, MDS are thought to be immunologically responsive diseases, as immunomodulatory drugs can induce remissions, and allogeneic bone marrow transplantation can be curative in the small fraction of patients for whom this is an option. (acgtfoundation.org)
Allogeneic HSC transplantation (HSCT) is used clinically as a curative therapy for a range of hematolymphoid diseases, but remains a high-risk therapy due to potential side effects including poor graft function and graft-vs-host disease (GvHD). (stanford.edu)

This regenerative ability ensures a constant supply of blood cells throughout an individual's lifetime. (thenoveldifference.com)
Progenitor cells are being explored for various therapeutic applications, including tissue engineering and regenerative medicine. (thenoveldifference.com)
The hematopoietic system is the most regenerative mammalian tissue. (digs-bb.de)
Stem cells are emerging as an important source of material for diseases in regenerative medicine. (benthamscience.com)
The study of biology of stem cells is the hallmark of the recent emerging field of regenerative medicine and medical biotechnology. (benthamscience.com)
Precise legislation of HSC proliferation and cell destiny decisions is essential to keep ongoing creation of mature bloodstream cells throughout adult lifestyle as well as for speedy, regenerative 8-Gingerol replies to hematologic damage. (abic2004.org)
Conclusion: stem cells from dental origin are an interesting alternative for research and application in regenerative therapies in Dentistry. (bvsalud.org)
The use of ASCs in regenerative medicine and tissue engineering research has important advantages in comparison with ESCs, since there are no ethical complications and the process of differentiation of these cells is better controlled. (bvsalud.org)
8,9 Because dental stem cells (DSCs) are easy to obtain and present a great potential of differentiation, there has been a growing interest in their use in regenerative medicine for treatment of various human diseases. (bvsalud.org)

He has delineated the function of these molecules in diverse set of biological processes including: 1) gut and kidney formation, 2) vascular permeability, 3) mucosal inflammatory disease, 4) stem cell homing and migration, and 5) epithelial tumor progression. (ubc.ca)
Moreover, proliferating cell nuclear antigen (PCNA) and CD31 showed co-localization with α-SMA, suggesting the differentiation of hBMSCs into epithelial cells and myofibroblasts/fibroblasts. (ijbs.com)
OR14I1 is a receptor for the human cytomegalovirus pentameric complex and defines viral epithelial cell tropism. (umassmed.edu)

Our data provide evidence that adult stem cells in bone marrow can be efficiently transduced vector administration without preconditioning. (eyesoftheelephants.com)

Progenitor cells, also known as precursor cells, are a type of cell that falls somewhere between stem cells and fully differentiated, specialized cells in terms of their differentiation potential. (thenoveldifference.com)
WAT is characterised by its capacity to adapt and expand in response to surplus energy through processes of adipocyte hypertrophy and/or recruitment and proliferation of precursor cells in combination with vascular and extracellular matrix remodelling. (springer.com)
Launch Hematopoietic stem cells (HSC) are uncommon, multipotent, self-renewing precursor cells with the capacity of generating every single specialized cell from the bloodstream system. (abic2004.org)

In this proposal, we seek to evaluate the integration of K562/GM-CSF vaccination with systemic therapies for MDS that alter host immunity and/or hematopoietic cellular differentiation. (acgtfoundation.org)

Diagnosis of MDS is made based upon evaluation of blood and bone marrow, cytogenetic abnormalities, and blast percentage. (medscape.com)
For pediatric patients with refractory cytopenia, certain cytogenetic abnormalities, or malignant transformation, hematopoietic stem cell transplantation (HSCT) from a matched related or unrelated donor early in the course of the disease is the treatment of choice. (medscape.com)
Criteria for diagnosis of MDS consist of anemia, thrombocytopenia, or neutropenia that persist for six months or longer, dysplasia greater than 10% in at least one bone marrow cell lineage, and MDS associated clonal cytogenetic abnormalities or molecular markers. (standardofcare.com)

However, better understanding of the role of increased JAK-STAT signaling [either through activating mutations ( JAK2 , MPL515L/K ) within the signaling pathway, or mutations involving CALR ], the role of deregulated pro-inflammatory cytokine expression, and the impaired bone marrow microenvironment is transforming the treatment approach for MF. (haematologica.org)
His laboratory has followed two primary interests: 1) the transcription factor networks that regulate fate determination in various cells that make blood, and 2) the cell surface proteins expressed by hematopoietic stem cells that and allow them to communicate with their microenvironment. (ubc.ca)
The bone marrow microenvironment and inflammatory signaling can also determine the rate of development and progression of MDS. (standardofcare.com)

Therefore, Fgfr3 + endosteal SSCs are abundant in young bone marrow and provide a robust source of osteoblasts, contributing to both normal and aberrant osteogenesis. (nature.com)
In this study, we report a novel population of SSCs with osteoblast-chondrocyte transitional (OCT) identities in the bone marrow endosteal space, which highly expresses Fgfr3 and contributes to both normal and aberrant osteogenesis. (nature.com)
On the other hand, the infiltration of organs by a monoclonal population of aberrant cells, the possibility of lethal evolution, and the cancer-based modalities of successful treatment are all consistent with a neoplastic process. (medscape.com)

To demonstrate the power of this technology, we will generate a molecular disease fingerprint allowing differentiation between three clinically indistinguishable yet biochemically distinct disease pathways underlying the deadly brain cancer glioblastoma multiforme. (nih.gov)
When the bone marrow hematopoietic cells are mostly clonally derived cells, the disease is clinically manifested as cytopenia and morphologic dysplasia. (standardofcare.com)

Immature B cells from normal mouse bone marrow were not responsive to the suppressive effect of androgens unless they were cocultured with marrow stromal cells or with supernatants from androgen-treated stromal cells, suggesting that the androgen effects are exerted through marrow stromal elements by production of a diffusible mediator. (jci.org)

Collectively, these are referred to as hematopoietic stem and progenitor cells (HSPCs). (stemcell.com)
CD34 is a transmembrane phosphoglycoprotein that was first identified on HSPCs, but its expression is also present on other cell types, such as vascular tissue. (stemcell.com)
Additional markers can be used to distinguish HSPC subsets within the CD34+ population and isolate HSPCs with different engraftment abilities and capacities to expand or generate mature blood cells in culture. (stemcell.com)

The Gerbaulet group studies the biology of hematopoietic stem and progenitor cells in their native environment. (digs-bb.de)

Hematopoietic stem cell transplantation remains the only curative therapeutic approach that reliably results in resolution of bone marrow fibrosis in patients with myelofibrosis. (haematologica.org)
The only curative treatment for acute liver failure is liver transplantation, but there are many restrictions on the application of liver transplantation. (springer.com)
The only curative treatment for ALF is liver transplantation, but there are many restrictions on the application of liver transplantation because of financial considerations, a shortage of donor livers, and immunosuppression-related complications [ 3 ]. (springer.com)

When specific tissue or organ damage occurs, these cells can rapidly generate new cells of the desired type to facilitate the healing process. (thenoveldifference.com)
For example, hematopoietic progenitor cells are found in the bone marrow, as this is where blood cell production occurs. (thenoveldifference.com)
Evidence exists that immune activation against hematopoietic elements frequently occurs in MDS patients, based on the identification of lymphocytic infiltrates in the marrow, oligoclonal expansion of T cells, and excessive production of tumor necrosis factor alpha. (acgtfoundation.org)
Thus, even in stem cells, except for embryonal stem cells and cancer stem cells, telomere shortening occurs during replicative ageing, possibly at a slower rate than that in normal somatic cells. (nature.com)
it also occurs in heavily pretreated patients with autologous bone marrow transplants. (medscape.com)

Autologous hematopoietic stem cell transplantation and reconstitution: Different species and including primates and humans for studies are being used for development, localization, and therapeutic strategies. (hoajonline.com)

It matures into the megakaryocyte, erythrocyte, mast cell or myeloblast based on the presence of specific factors that encourage the cell to choose a lineage to follow. (wikipedia.org)
Also making up a part of the hematopoietic system are short-term repopulating progenitor cells, which give rise to lineage-specific cell types. (stemcell.com)
Cell markers, or surface antigens, are molecules located on a cell's membrane used to identify specific cell types, their lineage, and their stage in the differentiation process according to the presence or absence of the expression of defined markers. (stemcell.com)
Single-cell transcriptomic analysis confirmed inhibition of lineage-committed progenitor cells in physioxic cultures. (stanford.edu)

It is used both by hematopoietic researchers and clinical labs to assess the potency of transplantation units of cord blood (CB) and hematopoietic cellular therapy products. (stemcell.com)
Today, more than 50 years after the first successful bone marrow transplantation, clinical application of hematopoietic stem cells is a routine procedure, saving the lives of many every day. (hindawi.com)
Hematopoietic dysfunction accompanied by severe aGVHD, which may be caused by niche impairment, is a long-standing clinical problem. (bvsalud.org)
Several clinical trials have shown remarkable beneficial effects following their intramyocardial transplantation. (biomedcentral.com)
Recently, several clinical trials showed an increased left ventricular ejection fraction (LVEF) and an improved regional perfusion following intramyocardial application of cluster of differentiation (CD) 133 + stem cells [ 5 - 9 ]. (biomedcentral.com)
Yet, CD133 + stem cells for clinical use are purified using manual or semi-automatic devices based on the conventional magnetic cell sorting (MACS®) technique. (biomedcentral.com)
The aims of this article are to review the current knowledge regarding therapeutic mechanisms of mesenchymal stem cells in acute liver failure, to discuss recent advancements in preclinical and clinical studies in the treatment of mesenchymal stem cells, and to summarize the methodological improvement of mesenchymal stem cell transplantation in treating liver failure. (springer.com)
On one end, the clinical spectrum includes an acute, fulminant, disseminated disease called Letterer-Siwe disease, and, on the other end, solitary or few, indolent and chronic lesions of bone or other organs called eosinophilic granulomas . (medscape.com)
The intermediate clinical form called Hand-Schüller-Christian disease is characterized by multifocal, chronic involvement and classically presents as the triad of diabetes insipidus, proptosis, and lytic bone lesions. (medscape.com)

However, modern myelofibrosis prognostication systems utilized in risk-adapted treatment approaches do not include bone marrow fibrosis as a prognostic variable. (haematologica.org)

In this regard, his lab has identified a novel family of hematopoietic cell surface proteins, called the CD34 family, and shown that these are essential for a number of developmentally important processes. (ubc.ca)

These remarkable cells play a crucial role in the production and maintenance of the body's blood and immune cell supply. (thenoveldifference.com)
Based on the pathophysiology of diabetes mellitus, stem cell therapy targets two mechanisms, namely cell replacement and immune correction. (vinastemcelllab.com)
The aim of this series of studies was to evaluate the efficiency of diabetic treatment by combining cell replacement therapy with immune correction therapy. (vinastemcelllab.com)
25 Severe combined immunodefieciency patients: immune recovery after stem cell transplantation. (vinastemcelllab.com)
It functions by slowing or blocking cell growth and compromising the immune system's response. (ijbs.com)
Conclusion: Our work shows that cardiomyocyte transplantation alters the immune response after myocardial infarction with the recruited monocytes playing a role in the beneficial effect of cell transplantation. (cell-signaling-pathways.com)
Open in a separate window Figure 2 Cardiomyocyte transplantation alters the immune response in the heart after myocardial infarction (MI). (cell-signaling-pathways.com)
In the lymphoid based contribution to the immune response, we observed a significant reduction in the percentage of CD4+FoxP3+ T cells (Figure 2F), commonly referred to as Treg cells and CD4+CD8+ T cells (Figure 2H) in the heart with a coincidental increase in the percentage of CD4+CD8+ T cells in the spleen (Figure 2I) four days after MI in the cardiomyocyte treated group compared to the MI control. (cell-signaling-pathways.com)
It should be mentioned that we were able to assess only a low frequency of CD4+ T cells and even fewer events of Treg cells owing to their rarity of occurrence in the heart notwithstanding their important role in regulating the immune response with these numbers. (cell-signaling-pathways.com)
What is more, by deriving NT-ESCs from patient cells, the problem of immune rejection may be avoided. (benthamscience.com)
MDSCs are characterized by myeloid origin, immature state, and most importantly by their potent ability to suppress different aspects of immune responses, especially T cell proliferation and cytokine production [ 7 ]. (biomedcentral.com)
One great advantage of MSC is that these cells may be directly obtained from individual patients, thereby eliminating the complications associated with immune rejection of allogenic tissue and infectious diseases. (biomedcentral.com)
Furthermore, T cells and NK cells complement each other in that certain immune suppression mechanisms taken by tumor cells that are effective against T cells, such as the downregulation of human leukocyte antigens (HLA), have proven to be stimulatory for NK cells. (molcells.org)

The specific effect on bone marrow fibrosis of JAK2 inhibition, and other rationally based therapies currently being evaluated in myelofibrosis, has yet to be fully elucidated. (haematologica.org)

PEGylated G-CSF (BBT-015), GM-CSF (BBT-007), and IL-11 (BBT-059) analogs enhance survival and hematopoietic cell recovery in a mouse model of the hematopoietic syndrome of the acute radiation syndrome. (iu.edu)
Long-term hematopoietic stem cell damage in a murine model of the hematopoietic syndrome of the acute radiation syndrome. (iu.edu)
Establishing a murine model of the hematopoietic syndrome of the acute radiation syndrome. (iu.edu)
Although the disease can evolve toward acute leukemia, morbidity and mortality most frequently result from a marrow failure syndrome. (acgtfoundation.org)
In recent years, a growing number of studies have shown that stem cells can effectively treat acute liver failure. (springer.com)

This state may persist until a clone undergoes further transformation to leukemia and the marrow becomes fibrotic and aplastic. (medscape.com)

Unlike prior immunosuppressive strategies tested in the NHP GVHD model, anti-DLL4 interfered with a T cell transcriptional program associated with intestinal infiltration. (bvsalud.org)
One sentence summary Murine hematopoietic stem cells display transcriptional heterogeneity that is quantitatively altered with age and leads to the age-dependent myeloid bias evident after inflammatory challenge. (biorxiv.org)

Cancer stem cellsand their susceptibility over their expected to be "downstream or progeny" cancer cells represent a target for therapeutic interventions to prevent latency and consequently relapse or metastasis of the malignant disease. (hoajonline.com)
In recent years mesenchymal stem cells (MSC) have generated a great deal of interest as a potential source for cell-based therapeutic strategies. (biomedcentral.com)

19 Mesenchymal stem cell-natural killer cell interactions. (vinastemcelllab.com)

Examination of peripheral blood smear and bone marrow is usually diagnostic. (msdmanuals.com)
The workup in patients with possible MDS includes a complete blood count with differential, peripheral blood smear, and bone marrow studies (see Workup). (medscape.com)

Positive data from the dose-escalation stage of the study, which was recently presented at the 2014 ASH (American Society of Hematology) Conference, has shown substantial mobilization of AML cancer cells from the bone marrow to the peripheral blood and robust apoptosis of these cells, as well as an excellent safety and tolerability profile. (technologynetworks.com)
The MDS cell of origin is a hematopoetic stem cell that proliferates and escapes apoptosis. (standardofcare.com)
In the early stages of MDS, the main cause of cytopenias is increased apoptosis (programmed cell death). (medscape.com)

In addition to basic science investigations in such areas as tumor cell invasion, oncogenes, immunotherapy and genetic inheritance, our scientists and physicians participate in national cancer trials. (upstate.edu)
Tumors contain a minority population of cancer stem cells that maintain the tumor. (hoajonline.com)
In marked contrast to the cancer stem cells, the tumor cells without "stemness" have either no capacity or a markedly diminished capacity, to form new tumors. (hoajonline.com)
The tumor will rapidly recur if the therapy eliminates cancer cells but spares a significant population of the cancer stem cells. (hoajonline.com)
We have developed a genetically modified tumor cell vaccine for the treatment of myeloid malignancies. (acgtfoundation.org)
Unlike primary NK cells, those prepared from iPSCs can be prepared with a homogeneous quality and are easily modified to exert a desired response to tumor cells. (molcells.org)

Then, he moved to Stanford University for a postdoctoral fellowship on the role of transcription factor Pbx1, a leukemia proto-oncogene, on B cell development. (stanford.edu)
Chronic Myeloid Leukemia in Blast Crisis was diagnosed on peripheral blood and bone marrow smears. (biomedcentral.com)
Bone marrow fibrosis is also detected in the spent phase of chronic myelogenous leukemia and polycythemia vera. (medscape.com)
Hematopoietic stem cell transplantation can be considered in young patients with chronic myelogenous leukemia in chronic phase if a human leukocyte antigen (HLA)-matched donor is available. (medscape.com)

Anatomy42

Organisms14

Diseases30

Chemicals and Drugs40

Analytical, Diagnostic and Therapeutic Techniques and Equipment61

Psychiatry and Psychology1

Phenomena and Processes46

Disciplines and Occupations1

Anthropology, Education, Sociology and Social Phenomena1

Information Science4

Named Groups1

Health Care8

Hematopoiesis18

HSCs20

Maturation7

Self-renewal14

Lineages8

Vitro17

Abnormal5

Differentiate11

Embryonic10

Human mesenchymal stem1

Pluripotent11

Chemotherapy8

Assays4

Leukemic cells3

Cytokines8

Autologous stem cell trans2

Precursors1

Graft-versus-4

Gene15

Mice15

Abstract1

MSCs18

Malignant hematopoietic1

Regeneration13

Myeloid stem cells3

Vivo13

Stromal cell1

Populations4

Endothelial4

Disorders13

Tissues6

20161

Allogeneic3

Regenerative9

Epithelial3

Adult stem1

Precursor3

Cellular differentiation1

Cytogenetic abnormalities3

Microenvironment3

Aberrant3

Clinically2

Mouse bone marrow1

HSPCs3

Biology1

Curative3

Occurs5

Reconstitution1

Lineage4

Clinical9

Include bone marrow1

CD341

Immune13

Fully elucidated1

Acute5

Aplastic1

Transcriptional2

Therapeutic2

Mesenchymal stem1

Peripheral blood2

Apoptosis3

Tumor6

Leukemia4