Inhibition bone marrow cells in vitro granulocyte macrophage progenitor cells. Medical search. Frequent questions

Although tumor cells were first thought to drive the cellular events underpinning tumor angiogenesis and growth, considerable evidence has now emerged for the central role of tumor infiltrating myeloid cells such as monocytes, macrophages, and neutrophils in this phenomenon [ 8 - 12 ]. (hindawi.com)
Mutations in the gene encoding CSF1R have been associated with a predisposition to myeloid malignancy.Tyrosine-protein kinase that acts as cell-surface receptor for CSF1 and IL34 and plays an essential role in the regulation of survival, proliferation and differentiation of hematopoietic precursor cells, especially mononuclear phagocytes, such as macrophages and monocytes. (thermofisher.com)
These cells are closely related to neutrophils and monocytes. (aacrjournals.org)
Mononuclear myeloid cells include terminally differentiated macrophages and dendritic cells (DC), as well as monocytes, which under inflammatory conditions differentiate in tissues to macrophages and DCs. (aacrjournals.org)
Myeloid cells generated under these conditions, although similar to neutrophils and monocytes in morphology and phenotype, have different genomic and biochemical profiles and functional activity. (aacrjournals.org)
The field started changing in the late 1990s when the Gr1 + CD11b + cellular phenotype was suggested as defining the immune-suppressive myeloid cells in spleens of mice and when these cells were shown to be phenotypically similar but functionally distinct from monocytes and neutrophils ( 2, 3 ). (aacrjournals.org)
However, these immunotherapeutic approaches are hampered by the tumor-promoting nature of myeloid cells, including monocytes, macrophages, and neutrophils. (frontiersin.org)
Myeloid innate immune cells, such as granulocytes, monocytes, macrophages and dendritic cells (DCs), play an important role in cancer-cell recognition, initiation of inflammation and antitumor responses ( 2 ). (frontiersin.org)
Phagocytosis of malarial pigment hemozoin (Hz) by monocytes, macrophages, and neutrophils is a central factor for promoting dysregulation in innate inflammatory mediators. (ijbs.com)
Histiocytoses encompass a group of diverse proliferative disorders characterized by the accumulation and infiltration of variable numbers of monocytes, macrophages, and dendritic cells in the affected tissues. (medscape.com)
Macrophages and monocytes are members of the mononuclear phagocyte system. (medscape.com)
Large-scale immunomagnetic selection of CD14+ monocytes to generate dendritic cells for cancer immunotherapy: a phase I study. (nwbio.com)
The bone marrow microenvironment (BMME) is a complex network system primarily comprising stromal cells such as mesenchymal stem cells (MSCs), osteoprogenitor cells, vascular endothelial cells, monocytes, macrophages, and cytokines. (techscience.com)

Vaccination with tumor lysate-pulsed dendritic cells elicits antigen-specific, cytotoxic T-cells in patients with malignant glioma. (nwbio.com)
Immature dendritic cells phagocytose apoptotic cells via alphavbeta5 and CD36, and cross-present antigens to cytotoxic T lymphocytes. (nwbio.com)
Dendritic cells acquire antigen from apoptotic cells and induce class I-restricted CTLs. (nwbio.com)
Phase I/II study of vaccination with electrofused allogeneic dendritic cells/autologous tumor-derived cells in patients with stage IV renal cell carcinoma. (nwbio.com)
Dendritic cell immunotherapy for patients with metastatic renal cell carcinoma: University of Tokyo experience. (nwbio.com)
Babatz J, Röllig C, Löbel B, Folprecht G, Haack M, Günther H, Köhne CH, Ehninger G, Schmitz M, Bornhäuser M. Induction of cellular immune responses against carcinoembryonic antigen in patients with metastatic tumors after vaccination with altered peptide ligand-loaded dendritic cells. (nwbio.com)
Banchereau J, Ueno H, Dhodapkar M, Connolly J, Finholt JP, Klechevsky E, Blanck JP, Johnston DA, Palucka AK, Fay J. Immune and clinical outcomes in patients with stage IV melanoma vaccinated with peptide-pulsed dendritic cells derived from CD34+ progenitors and activated with type I interferon. (nwbio.com)
Maturation and trafficking of monocyte-derived dendritic cells in monkeys: implications for dendritic cell-based vaccines. (nwbio.com)
Vaccination of prostatectomized prostate cancer patients in biochemical relapse, with autologous dendritic cells pulsed with recombinant human PSA. (nwbio.com)
Bleumer I, Tiemessen DM, Oosterwijk-Wakka JC, Völler MC, De Weijer K, Mulders PF, Oosterwijk E. Preliminary analysis of patients with progressive renal cell carcinoma vaccinated with CA9-peptide-pulsed mature dendritic cells. (nwbio.com)
Dendritic cell as sentinel of the immune system plays an irreplaceable role. (medsci.org)
Dendritic cells-based therapeutic approach may be a potential strategy for SARS-CoV-2 infection. (medsci.org)
We focus on the essential functions of dendritic cell in severe SARS-CoV-2 infection. (medsci.org)
Basis of treatment based dendritic cells to combat coronavirus infections is summarized. (medsci.org)
Pluripotent stem cells can also be committed to produce dendritic cells. (medscape.com)
The importance of dendritic cells in presenting antigens to T and B lymphocytes is increasingly recognized. (medscape.com)
Dendritic cells appear to develop in several pathways. (medscape.com)
[ 11 ] Immature dendritic cells respond to GM-CSF (not to macrophage colony-stimulating factor [M-CSF]) and become committed to generating dendritic cells, which are "professional" antigen-presenting cells (APCs). (medscape.com)
[ 13 ] Dendritic cells are also efficient stimulators of B-cell lymphocytes. (medscape.com)
Effective induction of antigen-specific T-cell responses requires interaction between the dendritic cells and T lymphocytes to prime the latter cells for expansion and subsequent immune responses. (medscape.com)
Dendritic cells display a large amount of MHC-peptide complexes at their surface and can increase the expression of costimulatory receptors and migrate to the lymph nodes, spleen, and other lymphoid tissues, where they activate specific T cells. (medscape.com)
Costimulatory interaction (i.e., second signal) is between CD80(B7.1)/CD86(B7.2) on the dendritic cell, and CD28 on the T cells. (medscape.com)

On the other hand, the increase in number of eosinophils and the activation of these cells, both of which are related to elevated IL5 production, are the cause of severe pathologic disorders, as in asthma or hypereosinophilic syndromes. (dadamo.com)
granulocytes (neutrophils, eosinophils and basophils) are involved in overcoming infection, parasites and tumors. (justia.com)
Among these, Siglec-8 is a CD33-related family member selectively expressed on human mast cells and eosinophils, and at low levels on basophils. (mdpi.com)
Since its discovery in 2000, initial in vitro studies have found that the engagement of Siglec-8 with a monoclonal antibody or with selective polyvalent sialoglycan ligands induced the cell death of eosinophils and inhibited mast cell degranulation. (mdpi.com)
Anti-Siglec-8 antibody administration in vivo to humanized and transgenic mice selectively expressing Siglec-8 on mouse eosinophils and mast cells confirmed the in vitro findings, and identified additional anti-inflammatory effects. (mdpi.com)
Granulocytic myeloid cells include populations of terminally differentiated polymorphonuclear neutrophils, eosinophils, basophils, and mast cells. (aacrjournals.org)
Although tumor-promoting functions have been attributed to other granulocytes, like eosinophils ( 17 ), basophils ( 18 ) and mast cells ( 19 ), further research is required to fully elucidate their role in cancer, as antitumoral roles have also been described ( 20 , 21 ). (frontiersin.org)
Eosinophils are currently regarded as the effector cells responsible for much of the pathology of asthma. (edu.pk)
When Th2 lymphocytes are activated to produce cytokines, such as IL-5, this increases the production of eosinophils in the bone marrow and promotes release of these cells into the circulation 8 . (edu.pk)

Therefore, hematopoietic stem cells mobilized into a subject's peripheral blood by the method of the invention is useful as a source of donor cells in bone marrow transplantation for the treatment of a variety of disorders, including cancer, anemia, autoimmunity and immunodeficiency. (justia.com)
Also, following transplantation and migration to target tissue, they encounter a harsh milieu accompanied by death signals because of the lack of proper tensegrity structure between the cells and matrix. (biomedcentral.com)
Using knockin mice expressing functionally stunted β 3 integrin, we show that bone marrow transplantation rescues impaired angiogenesis in these mice by normalizing BMDC recruitment. (rupress.org)
The in vivo hematopoietic reconstitution potential of c-kit + cells derived from the mouse PSCs was evaluated via m-NSG transplantation assay. (biomedcentral.com)
Immunotherapy, in the form of hematopoietic stem cell transplantation (HSCT), has been part of the standard of care in the treatment of acute leukemia for over 40 years. (bvsalud.org)
The in vivo effect was investigated using the C57BL/6 mouse bone marrow transplantation (BMT) model. (biomedcentral.com)

There are 2 types of hematopoiesis that occur in humans: Primitive hematopoiesis - blood stem cells differentiate into only a few specialized blood lineages (typically isolated to early fetal development). (wikipedia.org)
In 1978, after observing that the prototypical colony-forming stem cells were less capable at replacing differentiated cells than bone marrow cells injected into irradiated animals, Schofield proposed that a specialized environment in the bone marrow allows these precursor cells to maintain their cellular reconstitution potential. (wikipedia.org)
1 Unique MSC-specific markers have not yet been identified, and MSCs constitute a heterogeneous cell population, including both multipotent (stem) cells and progenitor cells and might even contain pluripotent cell fractions. (bmj.com)
Aberrantly expressed cytokines in the bone marrow (BM) niche are increasingly recognized as critical mediators of survival and expansion of leukemic stem cells. (haematologica.org)
A pro-inflammatory environment is thought to provide a selective advantage for the leukemic stem cells (LSC). (haematologica.org)
Specifically, methods are disclosed for mobilizing hematopoietic stem cells into a subject's peripheral blood. (justia.com)
In particular, embodiments of the method involve inhibition of both Rac1 and Rac2 GTPases to increase the numbers of hematopoietic stem cells into a subject's peripheral blood of a subject. (justia.com)
The various mature blood cell types are all ultimately derived from a single class of progenitor cell known as hematopoietic stem cells. (justia.com)
True stem cells are both pluripotent-that is they can give rise to all cell types-and capable of self-renewal. (justia.com)
Stem cells represent a very small percentage of bone marrow cells, and are normally quiescent. (justia.com)
Other cell types derived from hematopoietic stem cells include platelets and erythrocytes. (justia.com)
The use of high-dosage chemotherapy or radiotherapy for bone marrow ablation requires subsequent incorporation of hematopoietic stem cells into the patient, in which case prior harvesting of such cells is required. (justia.com)
The success of treatment crucially depends on the mobilization of the bone marrow stem cells, the subsequent return of which permits the patient to achieve reconstitution of a functioning hematopoietic system. (justia.com)
In many cases, successfully mobilization is not effected in the patient and inadequate numbers of hematopoietic stem cells are harvested from these patients using current methods. (justia.com)
After that, Kaplan firstly proposes the term "mesenchymal stem cells," which are cells isolated from fully developed bone marrow (BM) that can usually differentiate into several types of mesenchymal origin cells [ 4 ]. (biomedcentral.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)
Mesenchymal stem cells (MSCs) are multipotent cells usually isolated from bone marrow, endometrium, adipose tissues, skin, and dental pulp. (techscience.com)
Embryonic stem cells isolation primarily requires the consent of donors and can include the killing of fertilized eggs. (techscience.com)
Mesenchymal stem cells (MSCs) are multipotent stromal cells capable of self-renewal and exhibit multilineage differentiation properties. (techscience.com)
Normal histiocytes originate from pluripotent stem cells, which can be found in bone marrow. (medscape.com)
Abnormal mutations in stem cells were found accompanying with the occurrence of MPN. (biomedcentral.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)
The pathogenesis of myelodysplastic syndrome (MDS) may be related to the abnormal expression of microRNAs (miRNAs), which could influence the differentiation capacity of mesenchymal stem cells (MSCs) towards adipogenic and osteogenic lineages. (techscience.com)
It maintains normal hematopoietic function by interacting with hematopoietic stem cells (HSCs) to control their proliferation and differentiation ( Morrison and Scadden, 2014 ). (techscience.com)
Hematopoiesis is the development of immune and other blood cells from a small population of stem cells known as hematopoietic stem cells (HSCs). (brainimmune.com)
HSCs are pluripotent, self-renewing stem cells of the marrow cavity. (brainimmune.com)
3) We are defining the properties of cancer stem cells that initiate and sustain the unique disease features of acute leukemias through the use of various adoptive animal models. (stanford.edu)
Committed stem cells can mature to become antigen-processing cells, with some possessing phagocytic capabilities. (medscape.com)

RESULTS: In semisolid methylcellulose cultures of normal human bone marrow, ATRA (10(-6) mol/L) selectively suppressed eosinophil-basophil colony-forming units but had no effect on granulocyte-macrophage colony-forming units. (dadamo.com)
For erythroid colony forming unit (CFU-E) quantification, we used 2000 cells/ml, while for erythroid burst forming units (BFU-E), colony forming units mix (CFU-mix), and granulocyte-macrophage colony-forming unit's (CFU-GM), we used 7000 cells/ml. (bmj.com)
Moreover, morphologic and flow cytometric analyses of the transgenic colonies, but not those derived from normal BM, revealed the presence of granulocyte/macrophage colony forming units expressing the HDAC9 transgene, suggesting a lympho-myeloid lineage switch. (sunderland.ac.uk)

BST2 bone marrow stromal cell antigen 2 (Tetherin): Candida albicans enhanced the production of the CCR5-interacting chemokines CCL3, CCL4, and CCL5, and stimulates the production of interferon-a and the restriction factors APOBEC3G, APOBEC3F, and tetherin (BST2) in macrophages Rodriguez et al, 2013 . (polygenicpathways.co.uk)
The bone marrow stromal cell (BMSC) population, which makes up a large part of the hematopoietic microenvironment, encompasses a variety of adherent cell types. (techscience.com)

Hematopoiesis involves a series of differentiation steps from one progenitor cell to a more committed cell type, forming the recognizable tree seen in the adjacent diagram. (wikipedia.org)
The pioneering work of Till and McCulloch in 1961 experimentally confirmed the development of blood cells from a single precursor hematopoietic stem cell (HSC), creating the framework for the field of hematopoiesis to be studied over the following decades. (wikipedia.org)
Depending on the degree of bone marrow damage (i.e., suppression), patients who undergo cytoreductive therapy must also receive therapy to reconstitute bone marrow function (hematopoiesis). (justia.com)
Also, CXCR4 is involved in hematopoiesis and in cardiac ventricular septum formation, and plays an essential role in vascularization of the gastrointestinal tract, probably by regulating vascular branching and/or remodeling processes in endothelial cells. (thermofisher.com)
and were called hematopoiesis-supporting cells in BM [ 3 ]. (biomedcentral.com)
To address this knowledge gap, we developed an in vivo hematopoietic stem cell (HSC)-based large-scale CRISPR knockout screening platform to enable the genetic interrogation of hematopoiesis and broad aspects of immune cell function in vivo. (biorxiv.org)
this includes regulation of bone marrow processes like hematopoiesis. (brainimmune.com)
In this chapter we attempt to uncover the different roles of tachykinins in human disease and homeostatic conditions, in particular hematopoiesis within the bone marrow cavity. (brainimmune.com)

Relating in vitro to in vivo exposures with physiologically based tissue dosimetry and tissue response models. (cdc.gov)
Dexter observed that mesenchymal stromal cells could maintain early HSCs ex vivo, and both Lord and Gong showed that these cells localized to the endosteal margins in long bones. (wikipedia.org)
While the hemangioblast theory appears to be generally supported, most of the studies done have been in vitro, indicating a need for in vivo studies to elucidate its existence. (wikipedia.org)
In this review, we discuss the rationale for MSC-based cell therapy in COPD, the main findings from in vitro and in vivo preclinical COPD model studies, clinical trials in patients with COPD and directions for further research. (bmj.com)
However, natural MSCs in vivo survival and their biological effects on tissue recovery decrease with long-term cultivation called aging and also injected cells demonstrate poor targeted migration [ 21 ]. (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)
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)
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)
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)
Regulation of immunomodulatory functions by granulocyte-macrophage colony-stimulating factor and granulocyte colony-stimulating factor in vivo. (nwbio.com)
This study observes a previously neglected pharmacological phenomenon and investigates its mechanism of that the continuous low-dose administration of some antineoplastic agents in certain dose ranges can promote tumorigenesis and tumor progression in vitro and in vivo , through stimulation of tumor cell functions directly as well as enhancement of tumor angiogenesis by BMDCs recruitment indirectly. (researchsquare.com)

IL-5 is an interleukin produced by T helper-2 cells and mast cells. (dadamo.com)
The innate immune system is mainly composed of myeloid lineage cells, such as macrophages, neutrophils, and mast cells [ 2 ]. (hindawi.com)

The effects of DP on the clonal growth of erythroid and granulocyte-macrophage progenitors were investigated using clonogenic assays according to procedures previously tested in our laboratory. (bmj.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 vitro functional clonogenic assays for IL-7 responsive BM-derived B-cell progenitors demonstrated an increase (∼50%) in colony numbers in the transgenic BM. (sunderland.ac.uk)

CSF-1 signaling through CSF-1R regulates the proliferation and differentiation of cells in the monocytic lineage. (thermofisher.com)
The first phase is the regulation of proliferation and differentiation in the bone marrow, which is consistent and occurring at a low level in the absence of immunological stimulation. (edu.pk)
Stimulates proliferation and differentiation of early progenitor cells within hair follicles. (plurisomes.com)

5 In this study we started with a highly enriched population of CD34+ progenitor cells 6 obtained by incubating the mononuclear fraction of blood and bone marrow with biotinylated anti-CD34 antibodies and running the CD34 labelled cells over an avidin column (Cellpro, Inc., Bothell, Washington, USA). (bmj.com)
13 ] isolated mononuclear cells from human peripheral blood that were enriched for expression of the hematopoietic stem cell marker CD34 [ 13 ]. (hindawi.com)
All experiments performed on red cell lysed murine splenocytes gated on mononuclear cells. (bio-rad-antibodies.com)

5 Functional in vitro assays indicate different physiological roles of MSCs related to their heterogeneity and tissue location of origin. (bmj.com)

These studies and others supported the idea that bone cells create the HSC niche, and all the research that elucidated this specialized hematopoietic microenvironment stemmed from these landmark studies. (wikipedia.org)
Tumors exhibit significant myeloid cell infiltrates, which are actively recruited to the tumor microenvironment. (hindawi.com)
Finally, we will comment on the mechanisms regulating myeloid cell recruitment to the tumor microenvironment and on the potential of myeloid cells as new targets for cancer therapy. (hindawi.com)
In the tumor microenvironment, tumor-associated macrophages (TAMs) display an array of phenotypes beyond the M1/M2 paradigm, ranging from antitumoral to immunosuppressive, proangiogenic, immunomodulatory and tissue-remodeling phenotypes ( 7 - 9 ). (frontiersin.org)
GSDMC-mediated CCP increased memory CD8+ T cell population in lymph node (LN), spleen, tumor, and thus promoted cytotoxic CD8+ T cell infiltration in tumor microenvironment. (bvsalud.org)
Mechanistically, we found that treatment with dasatinib significantly increased MHC II expression on the surface of antigen-presenting cells (APC) in a tumor microenvironment-independent fashion and caused influx of APC cells into the leukemic bone marrow. (bvsalud.org)
Galectin-9 (Gal-9), a member of the ß-galactoside-binding protein family, has been demonstrated to induce T-cell death and promote immunosuppression in the tumor microenvironment. (bvsalud.org)
Within the bone marrow, the tachykinins have been shown to have critical effects on the microenvironment, including metastasis and dormancy of cancer cells during clinical remission. (brainimmune.com)

Out of the 313 unique human cytokines evaluated, 11 were found to expand cell numbers ≥2-fold in a 7-day culture. (haematologica.org)
Cytokines are essential for the function and maintenance of cells, and altered cytokine levels influence not only leukemic cells, but also the normal HSC within the BM. (haematologica.org)
The innate immune response by myeloid cells occurs as a succession of events starting at signaling through cytosolic or surface PRRs, followed by effector responses including the release of cytokines, reactive oxygen species (ROS), reactive nitrogen species (RNS), antibacterial peptides and degranulation ( Figure 1 ). (frontiersin.org)
Pathogen clearance is mediated by mechanisms such as phagocytosis, respiratory burst with the production of ROS and RNS and release of bacteriostatic peptides, but also through the cell-extrinsic initiation of inflammation via the release of proinflammatory cytokines and chemokines ( 24 ). (frontiersin.org)
Apigenin served as a potent therapy against UC in C57BL/6 mice through the inhibition of inflammatory cytokines,and COX-2, and through the reduction in immune cell infiltration in colon tissues [ 11 ] . (encyclopedia.pub)

Upon culture in endothelial growth media, these cells expressed endothelial lineage markers, such as CD31, Tie2, and VEGF receptor 2 (VEGFR2), and incorporated into blood vessels in ischemic tissues. (hindawi.com)
3 4 Since then, it has become evident that MSCs reside in many tissues, including mesenchymal tissues (bone, adipose tissue, connective tissue), umbilical cord and several organs including the liver, spleen and lung. (bmj.com)
Tachykinins are small neuropeptides from 10-12 amino acids long synthesized in various nuclei of the central nervous system such as the substania gelatinosa of the dorsal spinal cord and certain nuclei of the limbic lobes as well as in a number of non-neuronal tissues like stromal cells of the BM [3]. (brainimmune.com)
Critically, however, how each cell moves and changes shape (that is, behaves) is the result of genetic and signalling networks that vary across tissues and cell types8, and should therefore contain information about core features of the cell. (studylib.net)
Behavioural immune profiles To test this possibility, we used existing10,11 and new imaging experiments in defined tissues and inflammatory contexts, in which myeloid 1 Area of Cell and Developmental Biology, Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain. (studylib.net)

When stimulated to divide, they give rise to more committed, differentiated daughter cells with less proliferative potential, called "early progenitor" cells. (justia.com)

ST-HSCs can then differentiate into either the common myeloid progenitor (CMP) or the common lymphoid progenitor (CLP). (wikipedia.org)
The CLP then goes on to differentiate into more committed lymphoid precursor cells. (wikipedia.org)
The CMP can then further differentiate into the megakaryocyte-erythroid progenitor cell (MEP), which goes on to make RBCs and platelets, or the granulocyte/macrophage progenitor (GMP), which gives rise to the granulocytes of the innate immune response. (wikipedia.org)
This suggested that EPCs are able to differentiate into endothelial cells and that such cells are incorporated into sites of active angiogenesis including ischemia, tumor angiogenesis, and metastasis in adult organisms [ 16 , 17 ]. (hindawi.com)
Mesenchymal stromal cells (MSCs) are cells of non-haematopoietic origin, with the capacity to differentiate into multiple lineages of the mesenchyme, that is, chondrocytes, osteoblasts and adipocytes. (bmj.com)
However, it can be challenging to differentiate when they are connected with wounded tissue, opposed to when they instruct tissue-specific progenitor cells responsible for the redevelopment of damaged tissue. (techscience.com)

This promising field may open new avenues to modulate inflammatory responses and to preserve blood cell homeostasis in the clinical setting. (haematologica.org)
These cells can participate in inflammatory responses by releasing mediators that attract or activate other cells, contributing to the pathogenesis of allergic and non-allergic diseases. (mdpi.com)
Apigenin as an anti-inflammatory compound acts as a protective agent in several disorders via inhibition of key inflammatory mediators, signaling pathways, and molecules. (encyclopedia.pub)
In diabetic rats, apigenin reduces metabolic inflammation by successfully polarizing infiltrating macrophages to an anti-inflammatory M2 phenotype by binding and activating PPAR-γ and the subsequent suppression of the NF-κB pathway [ 8 ] . (encyclopedia.pub)
This domain interacts with adaptor molecules and activates a cascade which regulates the inflammatory status in cells [12]. (fortunejournals.com)
Current technologies, however, cannot capture rapid transitions between cellular states in highly dynamic scenarios, such as during acute inflammatory responses, which are characterized by continuous changes in the motility and morphology of individual cells as they adapt to local cues and anatomical barriers. (studylib.net)

The complexity of the human bone marrow, with context to haematological malignancies, is more difficult to elucidate with the present strategies compared to the niche of solid tumors. (fortunejournals.com)

Many human blood cells, such as red blood cells (RBCs), immune cells, and even platelets all originate from the same progenitor cell, the hematopoietic stem cell (HSC). (wikipedia.org)
Following early observations that MSCs inhibit T-cell proliferation, 9 MSCs were found to interact with the majority of innate and adaptive immune cells. (bmj.com)
Nonetheless, when cells rely on anaerobic glycolysis, like cancer cells and certain innate immune cells upon activation, other metabolic pathways sustain succinate levels, including glutamine-dependent anerplerosis to α-ketoglutarate, and eventually citrate by reductive carboxylation. (haematologica.org)
Siglecs (sialic acid-binding immunoglobulin-like lectins) are single-pass cell surface receptors that have inhibitory activities on immune cells. (mdpi.com)
Immune cells abundantly infiltrate tumors, creating a complex environment mediated by repetitive cycles of antitumor responses and immune evasion ( 1 ). (frontiersin.org)
In innate immunity, immune cells are activated by their pattern recognition receptors (PRRs), which bind to pattern molecules of invading pathogens. (fortunejournals.com)
The TLRs and CLRs of the immune cells work in coordination with the immune system. (fortunejournals.com)

Improved methods and pharmaceutical compositions are provided herein for mobilizing hematopoietic progenitor cells from bone marrow into peripheral blood, comprising the administration of an effective amount of an inhibitor of GTPases, such as Rac1 and Rac2 alone or in combination. (justia.com)
The present invention relates generally to improved methods and pharmaceutical compositions for mobilizing hematopoietic stem and progenitor cell from bone marrow into peripheral blood by administration of at least one inhibitor of a GTPase, such as Rac1 and/or Rac2 GTPase. (justia.com)
In such procedures, patients undergo successive treatments with cell mobilization agents to cause mobilization of hematopoietic progenitor cells from the bone marrow to the peripheral circulation for harvesting. (justia.com)
CD184 is expressed predominantly on naive T cell subsets of peripheral blood and is rapidly upregulated by PHA and IL-2 stimulation. (thermofisher.com)
Applications Tested: This 12G5 antibody has been pre-titrated and tested by flow cytometric analysis of normal human peripheral blood cells. (thermofisher.com)
All experiments performed on red cell lysed murine peripheral blood in the presence of murine SeroBlock ( BUF041A ). (bio-rad-antibodies.com)
The side effects consist mainly of bone marrow suppression and impaired central and peripheral neuronal tissue, gastrointestinal tissue, and kidney function. (biomedcentral.com)

Furthermore, we describe a subset of myeloid cells with immunosuppressive activity (known as myeloid-derived suppressor cells). (hindawi.com)
This process is epitomized by myeloid-derived suppressor cells (MDSC). (aacrjournals.org)
In addition to TAMs, solid tumors are also infiltrated by immunosuppressive, immature myeloid progenitor cells, commonly referred to as monocytic or polymorphonuclear myeloid-derived suppressor cells (M/PMN-MDSC) ( 11 - 13 ). (frontiersin.org)

In summary, we identify myostatin propeptide as a novel positive regulator of primitive CML cells and corresponding normal hematopoietic cells. (haematologica.org)

Tumor and endothelial cell functions, apoptosis, cell cycle analysis, as well as bone marrow derived cells (BMDCs) mobilization, were evaluated with transwell, MTT or flow cytometry analysis in vitro , respectively. (researchsquare.com)
Cell-cycle arrest, activation of associated apoptotic proteins, and inhibition of apoptosis were also observed in tumor cells. (researchsquare.com)

Finally, the induction of MHC II may potentiate immune memory by impairing leukemic engraftment in mice previously cured with dasatinib, after re-inoculation of leukemia cells. (bvsalud.org)
Bone marrow loss and a high proclivity to leukemic progression are the characteristics of myelodysplastic syndrome (MDS). (techscience.com)

CONCLUSIONS: These findings indicate that retinoids can differentially regulate expression of IL-5Ralpha, but not GM-CSF receptor, and that these effects have functional consequences in vitro on eosinophil and basophil differentiation. (dadamo.com)
The main functional characteristic of these cells is their potent ability to suppress various types of immune responses. (aacrjournals.org)
As the Bone Marrow (BM) develops and becomes functional, it becomes the main site of blood and immune cell formation. (brainimmune.com)

Leukocytic, hematopoietic cells are important in maintaining the body's defense against disease. (justia.com)
Moreover, CD201 + hematopoietic cells remained in a relatively slow cycling state, consistent with high expression levels of P57 and Ccng2. (biomedcentral.com)
We are studying the role that normal chromatin structure plays in gene regulation in hematopoietic cells and how its disruption leads to altered development and cancer. (stanford.edu)
This mechanism also applies to hematopoietic cells transformed by other HOX genes, including CDX2, which is highly expressed in a majority of acute myeloid leukemias, thus providing a molecular approach based on GSK-3 inhibitory strategies to target HOX-associated transcription in a broad spectrum of leukemias. (stanford.edu)

It is now known that new blood vessels originate from preexisting vessels by activation, proliferation and migration of endothelial cells through a process named "angiogenesis" [ 4 ]. (hindawi.com)

As the embryo requires rapid oxygenation due to its high mitotic activity, these islands are the main source of red blood cell (RBC) production via fusing endothelial cells (ECs) with the developing embryonic circulation. (wikipedia.org)
A year later, Choi showed that blast cells derived from embryonic stem (ES) cells displayed common gene expression of both hematopoietic and endothelial precursors. (wikipedia.org)
Specific growth factors, such as vascular endothelial growth factor (VEGF) and basic fibroblast growth factor (bFGF), stimulate the proliferation and migration of naturally quiescent endothelial cells, resulting in the formation of new vessel structures during embryonic development and tumor growth [ 7 ]. (hindawi.com)

Mesenchymal stromal cells: a novel therapy for the treatment of chronic obstructive pulmonary disease? (bmj.com)
In vitro cell culture and animal studies have demonstrated that mesenchymal stromal cells (MSCs) have the capacity to modify immune responses and to enhance tissue repair. (bmj.com)
Furthermore, we show expression of MSTN by CML mesenchymal stromal cells, and that myostatin propeptide has a direct and instant effect on CML cells, independent of myostatin, by demonstrating binding of myostatin propeptide to the cell surface and increased phosphorylation of STAT5 and SMAD2/3. (haematologica.org)

Myeloid cells are a heterogeneous population of bone marrow-derived cells that play a critical role during growth and metastasis of malignant tumors. (hindawi.com)
In 1971, Dr. Judah Folkman observed that neovascularization occurs around tumors and proposed that new blood vessel growth is necessary to supply nutrients and oxygen to tumor cells during exponential tumor growth [ 6 ]. (hindawi.com)
The observations of the accumulation in spleens and tumors of large numbers of these cells with potent immune-suppressive activity were readily reproducible in most murine tumor models. (aacrjournals.org)
Decreased histone acetylation is a hallmark of cancer cells and increased HDAC expression or their mistargetting to specific gene promoters has been associated with a variety of tumors. (sunderland.ac.uk)
There can, however, be few similarities between the two, as the bone marrow is a common site of metastasis of solid tumors too [6]. (fortunejournals.com)
Relevant information has now been established on solid tumors and their micro-environments, which include immune, endothelial and mesenchymal cells. (fortunejournals.com)

When an OV is armed with bi-specific T cell engager (BiTE), it also expresses and secretes a large quantity of BiTEs from infected cells, which can diffuse throughout the tumor tissue, activating T cells to recognize and kill cancer cells antigen-specifically. (mdpi.com)
[ 12 ] These cells can capture antigen and migrate to lymphoid organs, where they present the antigens to naive T cells. (medscape.com)

The first signal may involve interaction between an MHC I-bound and/or MHC II-bound peptide on an APC with the T-cell receptor (TCRs) on the effector lymphocytes. (medscape.com)

Currently, little is known concerning regulation of IL-5Ralpha expression in the context of commitment of hemopoietic progenitor cells to the eosinophil and basophil lineages. (dadamo.com)
This process of division and differentiation is subject to regulation at many levels to control cell production. (justia.com)
Additionally, treatment reduced the number of apoptotic cells in the surrounding brain injury site which accompanied a marked down-regulation of pro-apoptotic proteins, p53 and cleaved caspase-3. (alexbotsaris.com.br)

Vasculogenesis is the coalescence of new blood vessels from individual endothelial cells or progenitor cells. (hindawi.com)

The 12G5 antibody shows partial inhibition of chemotaxis and calcium influx induced by SDF-1 (the natural ligand of CD184), blocks CD4-independent HIV-2 infection, and blocks CD4-dependent infection by some T-tropic HIV-1 isolates. (thermofisher.com)

First, MSCs were procured from murine bone marrow (BM) by Friendenstein et al. (biomedcentral.com)
Moreover, Gal-9 expression was increased in response to doxorubicin in various human and murine cancer cell lines. (bvsalud.org)

Retinoic acid modulates IL-5 receptor expression and selectively inhibits eosinophil-basophil differentiation of hemopoietic progenitor cells. (dadamo.com)
Most importantly, these effects of ATRA (10(-8) to 10(-6) mol/L) on CD34(+) cells were associated with a dose-dependent inhibition of IL-5Ralpha but no change in GM-CSF receptor expression, as detected with flow cytometry. (dadamo.com)
The hemangioblast theory, which posits that the RBCs and ECs derive from a common progenitor cell, was developed as researchers observed that receptor knockout mice, such as Flk1-/-, exhibited defective RBC formation and vessel growth. (wikipedia.org)
Description: The AFS98 monoclonal antibody reacts with the mouse CD115 molecule, a receptor for macrophage colony stimulating factor (M-CSF) or colony stimulating factor-1 (CSF-1). (thermofisher.com)
Recent evidence obtained in mouse models shows its essential role regulating blood cell function through various mechanisms that include pseudohypoxia responses by hypoxia-inducible factor-1α activation, post-translational modifications like succinylation, and communication mediated by succinate receptor 1. (haematologica.org)
GPR91 is a G protein-coupled cell surface receptor for extracellular succinate (Sucnr1). (haematologica.org)
CD184 is a member of the G-protein-coupled chemokine receptor family with seven membrane-spanning domains, and functions as a coreceptor for X4 HIV-1 entry into CD4+ cells. (thermofisher.com)
In other cases, CXCR4 can even function as the only receptor for HIV-2's binding to the CD4 host cells. (thermofisher.com)
Here, we show that although this receptor is present on most vascular and blood cells, the key regulatory function in tumor and wound angiogenesis is performed by β 3 integrin on bone marrow-derived cells (BMDCs) recruited to sites of neovascularization. (rupress.org)
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)
ALOX5 arachidonate 5-lipoxygenase: macrophages infected with Candida albicans, Aspergillus flavus or Aspergillus fumigatus or treated with Curdlan, a selective agonist of pattern recognition receptor for fungi Dectin-1, displays increased expression of ALOX5, ALOX15 and PTGS2 Karnam et al, 2015 . (polygenicpathways.co.uk)
Non-small cell lung cancer (NSCLC) treatment in advanced stage like IIIB, IIIC, and IV is based on several driver mutations analysis including mutations/alterations of the epidermal growth factor receptor, anaplastic lymphoma kinase, ROS1, and PDL-1 expression. (asjo.in)

This event requires a special environment, termed the hematopoietic stem cell niche, which provides the protection and signals necessary to carry out the differentiation of cells from HSC progenitors. (wikipedia.org)

Current treatments to manage the problems that result from prolonged bone marrow suppression include the reinfusion of a patient's own previously harvested hematopoietic stem and progenitor cells. (justia.com)
The pathophysiological processes that contribute to SMA involve direct and indirect destruction of parasitized and non-parasitized red blood cells (RBCs), inefficient and/or suppression of erythropoiesis, and dyserythropoiesis. (ijbs.com)

1 In humans, glucocorticoid receptors have been shown in many different cells, including those of the granulocyte-macrophage lineage and lympho cytes. (bmj.com)

Subsequent studies described a VEGFR2 and AC133 expressing subpopulation of these CD34 positive circulating cells that could form endothelial colonies in vitro [ 14 , 15 ]. (hindawi.com)
1 The BCR-ABL1 fusion protein is a constitutively active tyrosine kinase and triggers a cascade of aberrant downstream signaling pathways leading to clonal outgrowth of CML cells and subsequent disease manifestation. (haematologica.org)

Applications Tested: The AFS98 antibody has been tested by blocking of fluorochrome conjugated AFS98 in flow cytometric analysis of peritoneal exudate cells. (thermofisher.com)
A test is defined as the amount (µg) of antibody that will stain a cell sample in a final volume of 100 µL. (thermofisher.com)
Interestingly, the most primordial defense responses employed by myeloid cells against pathogens, such as complement activation, antibody-dependent cell cytotoxicity and phagocytosis, actually seem to favor cancer progression. (frontiersin.org)
Here we report that treatment with the tyrosine kinase inhibitor, dasatinib, and an anti-PD-1 antibody in preclinical models of Philadelphia chromosome positive B-cell acute lymphoblastic leukemia is highly active. (bvsalud.org)

Immunophenotypic analysis of B-cells isolated from bone marrow (BM) revealed an absence of cells expressing the pre-B/immature-B cell markers normally associated with C-E Hardy's fractions. (sunderland.ac.uk)

White blood cell, eosinophil, CD4- and CD8-positive lymphocyte counts, and serum interleukin-5 (IL-5) and IgE levels were determined before, 2 and 4 weeks after switching to vitamin E-bonded dialyzers. (dadamo.com)
Similarly, ATRA (10(-6) mol/L) inhibited eosinophil-basophil differentiation of cord blood CD34(+) cells in liquid culture, whereas neutrophil differentiation proceeded without impediment. (dadamo.com)

Chronic myeloid leukemia (CML) is a myeloproliferative neoplasm caused by an acquired 9;22-chromosomal translocation in a hematopoietic stem cell (HSC) resulting in the expression of the BCR-ABL1 fusion protein. (haematologica.org)
Identification of PARD3 signature on PARD3 deficient H157 cell line, reconstituting the expression of PARD3 gene, with a wt and a mutant form. (nih.gov)
Enhanced expression of IL-6, IGF-1, TGF-β, and VEGF has also been observed in LC treated BMSCc+ groups, suggested the cardiac differentiation of BMSCc+, and can be utilized in tissue engineering for cardiac cell therapy. (techscience.com)
Interestingly, IFN-Î³ induced GSDMC expression, which in turn enhanced the cytotoxicity of PARPi and T cell. (bvsalud.org)
The expression of RUNX1 mutant in ASXL1 -mutated myeloid cells augmented proliferation, blocked differentiation, and increased self-renewal activity. (biomedcentral.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)
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 process, histone hypoacetylation is generally associated with gene silencing and pharmacological inhibition of histone deacetylases (HDACs) leads usually to activation of gene expression. (sunderland.ac.uk)
In order to examine the role of HDAC9 in the lymphoid development and pathogenesis of lymphoid malignancies we used Ig heavy chain enhancer (Eμ), which drives gene expression from early stages of B-cell development, to ectopically express HDAC9 in transgenic mice. (sunderland.ac.uk)
Taken together these data suggest that HDAC9 plays a role in B-cell maturation and its ectopic expression in early B-cells leads to perturbation of normal B-cell development, possibly predisposing transgenic mice to tumorigenesis. (sunderland.ac.uk)
Sleeping Elegance is far more susceptible to more than expression inhibition than piggyBac and Tol2, the cargo capacity of Sleeping Attractiveness is constrained, and contrary to Tol2 and piggyBac that Inhibitors,Modulators,Libraries are lively in all mamma lian cell kinds tested, Sleeping Elegance display cell form dependent exercise. (p450inhibitors.com)

Hence, myeloid cells play a dual role in cancer as they can initiate antitumor responses and communicate with cells of the adaptive immune system, but also promote local inflammation leading to chronic cancer-associated inflammation ( 5 , 6 ). (frontiersin.org)
Apigenin also ameliorated renal dysfunction in diabetic rats by suppressing inflammation through reduced secretion of TNF-α and IL-6 via MAPK inhibition. (encyclopedia.pub)

The in vitro effect of dexamethasone on the clonal growth of haematopoietic progenitors in preterm infants was investigated. (bmj.com)
2 MSCs were first described in the bone marrow where they constitute a small fraction of cells (0.001%-0.01%) that closely interact with haematopoietic cells to support haematopoiesis and skeletal homeostasis. (bmj.com)

Concentrations of 10 6 M to 10 9 M were associated with a dose dependent inhibition of colony formation, with the most clinically important effects seen on the earliest erythroid and granulocyte-macrophage colonies. (bmj.com)
The concentrations of erythropoietin (Epo) used to promote the growth of erythroid colonies ranged from 0.2 U/ml to 20 U/ml, based on the possibility that very high Epo concentrations might mask the effects of DP on progenitors of preterm infants. (bmj.com)

Anatomy36

Organisms12

Diseases11

Chemicals and Drugs30

Analytical, Diagnostic and Therapeutic Techniques and Equipment22

Phenomena and Processes33

Disciplines and Occupations1

Information Science2

Monocytes13

Dendritic22

Eosinophils9

Transplantation6

Stem cells29

Colony-formi3

Stromal cell2

Hematopoiesis8

Vivo12

Mast cells2

Clonogenic assays3

Proliferation and differentiation3

Mononuclear3

Assays1

Microenvironment8

Cytokines5

Tissues5

Early progenitor1

Differentiate6

Inflammatory6

Human bone marrow1

Immune cells7

Peripheral7

Myeloid-derived suppressor cells3

Normal hematopoietic1

Apoptosis2

Leukemic2

Functional3

Hematopoietic cells4

Originate1

Embryonic3

Mesenchymal stromal cells3

Tumors6

Antigen2

Lymphocytes1

Regulation3

Endothelial cells1

Chemotaxis1

Murine2

Receptor12

Differentiation of cells1

Suppression2

Lineage1

Subsequent2

Antibody4

Immature1

Eosinophil2

Expression11

Inflammation2

Haematopoietic2

Colonies2