• It is well-described that leptin receptor (LepR) + perivascular stromal cells provide a major source of bone-forming osteoblasts in adult and aged bone marrow. (nature.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)
  • These Fgfr3 + stem/stromal cells with OCT identities are abundant in the young bone marrow and depleted in the old bone marrow, denoting their transitional nature. (nature.com)
  • Overall, our findings indicate that Fgfr3 + endosteal stem/stromal cells with OCT identities dictate active and aggressive osteogenesis, identifying these cells as an important regulator of long-term bone homeostasis. (nature.com)
  • The bone morrow contains several stem cell types including hematopoetic stem cells, endothelial progenitor cells, mesenchymal (stromal) stem cells and multipotent adult progenitor cells. (escardio.org)
  • Mesenchymal stromal cell (MSC) transplantation therapy is a promising therapy for stroke patients. (biomedcentral.com)
  • The transplantation of bone marrow-derived mesenchymal stem cells (BMMSCs) alleviates neuropathology and improves cognitive deficits in animal models with Alzheimer's disease. (biomedcentral.com)
  • There are many studies involving autologous therapies and some allogenic therapies, based on the recovery of mobilized bone marrow cells, including mesenchymal stem cells (MSCs) and adipose derived stem cells that also include the stromal or adherent cell type that has an MSC phenotype. (biomedcentral.com)
  • At first, the mesenchymal stem cell was thought to be the primary component of this undifferentiated cell type, however it is now evident that within the adipose extracellular matrix are also adipocytic precursors (known as progenitor cells) adherent to adipocytes, and in close approximation to a variety of additional undifferentiated multipotent and pluripotent cells, including pericytes and endothelial cells, all thought to play important roles in mesenchymal-stromal derived tissue regeneration. (journalofprolotherapy.com)
  • The platelets arise from the fragmentation of the cytoplasm of megakaryocytes in the bone marrow and circulate in blood as disc-shaped anucleate particles for 7-10 days. (medscape.com)
  • PMF is characterized by proliferation predominantly of bone marrow megakaryocytes and granulocytes, resulting in deposition of fibrous connective tissue, and often associated with peripheral blood leukoerythroblastosis, cytopenias, and constitutional symptoms. (oncohemakey.com)
  • Interestingly, contradictory data exist for transformation of bone marrow derived progenitor cells (BMPC) into new cardiomyocytes and alternative mechanisms as enhanced neovascularization, enhanced scar tissue formation due to augmented inflammatory response and decreased apoptosis have been suggested for the benefical effects of these cells on myocardial function after myocardial infarction (4). (escardio.org)
  • These aberrant lymphocytes function abnormally by stimulating the proliferation and maturation of bone marrow eosinophil-precursor cells termed colony forming unit-Eosinophils or CFU-Eos. (wikipedia.org)
  • These cells are the original precursors of various cells in a tumor, whereas other intratumoral cells are limited in terms of their potential for proliferation and pluripotent differentiation. (biomedcentral.com)
  • Acute lymphoblastic leukemia (ALL): Bone marrow shows proliferation of large and heterogeneous lymphoblasts consistent with pre-B-cell ALL (French-American-British L2 morphology). (medscape.com)
  • These include bone marrow-derived cells, peripheral blood derived stem cells and skeletal myoblasts (3). (escardio.org)
  • Most patients with BPDCN have skin lesions and simultaneous involvement of the peripheral blood, bone marrow, and lymph nodes. (elsevierpure.com)
  • Most patients with BPDCN have skin lesions and simultaneous involvement of the peripheral blood, bone marrow, and lymph nodes.Methods: A search of PubMed and Medline was conducted for English-written articles relating to BPDCN, CD4+CD56+ hematodermic neoplasm, and blastic natural killer cell lymphoma. (elsevierpure.com)
  • Acute lymphoblastic leukemia (acute lymphocytic leukemia, ALL) is a malignant (clonal) disease of the bone marrow in which early lymphoid precursors proliferate and replace the normal hematopoietic cells of the marrow. (medscape.com)
  • The image below depicts bone marrow aspirate from a child with T-cell acute lymphoblastic leukemia. (medscape.com)
  • Children with acute lymphoblastic leukemia (ALL) often present with signs and symptoms that reflect bone marrow infiltration and/or extramedullary disease. (medscape.com)
  • No myeloid or erythroid precursors are seen. (medscape.com)
  • Although these disorders share certain clinical features-including bone marrow hypercellularity, frequent splenomegaly, and risks of thrombosis, hemorrhage, and transformation to acute myeloid leukemia (AML)-they also show important phenotypic differences. (oncohemakey.com)
  • Moreover, in human studies, JAK2V617F has been identified in the stem cell-enriched CD34 + CD38 − CD90 + Lin − compartment, common myeloid progenitors, granulocyte-monocyte precursors, and megakaryocyte-erythroid precursors as well as natural killer cells, B cells, and T cells in some patients, confirming its origin in an early hematopoietic progenitor. (oncohemakey.com)
  • CLINICAL CASE: 7-year-old male schoolboy diagnosed with T-precursor acute lymphoid leukemia, finishing induction chemotherapy cycle with PETHEMA 2013 protocol. (bvsalud.org)
  • The malignant cells of ALL are lymphoid precursor cells (ie, lymphoblasts) that are arrested in an early stage of development. (medscape.com)
  • Cell therapy is currently emerging as a potential new treatment for post MI patients with the assumption that recolonization of the areas of scarred myocardium with exogenously supplied surrogates or precursors of cardiomyocytes can restore function and ultimately affect clinical outcomes. (escardio.org)
  • In experimental and clinical studies unselected mononuclear bone marrow cells as well as specific subpopulations have been used for transplantation. (escardio.org)
  • A significant proportion of clinical studies that are underway involve bone marrow and cord blood stem cells for blood and immune disorders [ 3 ] and cancers. (biomedcentral.com)
  • Knowing cancer staging and grading is the precursor to determining the appropriate clinical attention. (targetwoman.com)
  • When a transplant occurs which includes lymphocytes, monocytes or progenitors thereof, particularly bone marrow, a graft may attack the host as foreign, resulting in graft-versus-host disease. (justia.com)
  • Usefulness of flow cytometry for differential diagnosis of precursor and peripheral T-cell and NK-cell lymphomas: analysis of 490 cases. (medscape.com)
  • SB623 cells are human modified bone marrow-derived MSCs transiently transfected with the human Notch-1 intracellular domain. (biomedcentral.com)
  • Both AEA and 2-AG are generated "on demand" from membrane phospholipid precursors in response to elevated intracellular calcium or metabotropic receptor activation [ 20 ]. (degruyter.com)
  • Does Transplantation Induce Aging In Patients? (medicaldaily.com)
  • Transplanting their own (autologous) bone marrow-derived stem cells into 48 patients with end-stage liver disease resulted in therapeutic benefit to a high number of the patients, report researchers publishing in the current issue of Cell Transplantation (19:11). (medicaldaily.com)
  • Several preliminary reports have demonstrated that local stem cell transplantation in patients with acute myocardial infarction is safe and may lead to improved myocardial function and perfusion. (escardio.org)
  • When leukemic blasts replace the bone marrow, patients present with signs of bone marrow failure, including anemia, thrombocytopenia, and neutropenia. (medscape.com)
  • Le pourcentage de CD44 dans les lymphocytes T périphériques était significativement plus élevé chez les patients que chez les témoins, comme détecté par la cytométrie en flux. (who.int)
  • En outre, il y avait une aug- mentation significative de la forme soluble du c-kit dans le sérum des patients atteints de pemphigus vulgaire actif par rapport aux témoins. (who.int)
  • In PV, bone marrow panmyelosis is associated with increased numbers of red blood cells and, in some patients, neutrophilia and/or thrombocytosis. (oncohemakey.com)
  • Similarly, the transplantation of other tissue-specific stem cells, such as stem cells isolated from epithelial and neural tissues, can treat mouse disease models and human patients in which epithelial and neural cells are damaged. (articlecity.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)
  • The term "transitional" emphasizes the unique feature of these cells that are particularly abundant in the young bone marrow. (nature.com)
  • We speculate that precancerous stem cells (pCSCs) arise during the evolution of carcinomas based on long-term experimental findings, published literature, and the cancer stem cell (CSC) theory, wherein pCSCs exist in precancerous lesions and have characteristics of both CSCs and normal stem cells. (biomedcentral.com)
  • These aberrant lymphoblasts proliferate, reducing the number of the normal marrow elements that produce other blood cell lines (red blood cells, platelets, and neutrophils). (medscape.com)
  • Results: BPDCN is derived from precursor plasmacytoid dendritic cells. (elsevierpure.com)
  • In this study, we aimed to clarify whether combination therapy of intracerebral transplantation of human modified bone marrow-derived MSCs, SB623 cells, and voluntary exercise with running wheel (RW) could exert synergistic therapeutic effects on a rat model of ischemic stroke. (biomedcentral.com)
  • This study suggests that combination therapy of intracerebral transplantation SB623 cells and voluntary exercise with RW achieves robust neurological recovery and synergistically promotes endogenous neurogenesis and angiogenesis after cerebral ischemia, possibly through a mechanism involving the up-regulation of BDNF and VEGF. (biomedcentral.com)
  • While numerous teams continue to refine and expand the role of bone marrow and cord blood stem cells for their vanguard uses in blood and immune disorders, many others are looking to expand the uses of the various types of stem cells found in bone marrow and cord blood, in particular mesenchymal stem cells, to uses beyond those that could be corrected by replacing cells in their own lineage. (biomedcentral.com)
  • The use of patient's own bone marrow aspirates, hematopoietic stem cells and MSCs, for heart muscle tissue repair can be puzzling because these cells do not normally contribute to the cardiac lineage types that are desired. (biomedcentral.com)
  • The field of the subject invention is the use of major histocompatibility complex antigen lacking cells and organs which may serve as universal donors in cellular and organ therapies including transplantation and to produce chimeric non-human mammals. (justia.com)
  • When the host lacks the ability to raise a defense against a particular disease, there may also be an interest in administering specific T-cells or B-cells or precursors thereof which may supplement the host's compromised immune system. (justia.com)
  • In other cases, where certain cells are lacking, such as islets of Langerhans in the case of diabetes, or cells which secrete dopamine in the case of Parkinson's disease, or bone marrow cells in various hematopoietic diseases, or muscle cells in muscle wasting disease, or retinal epithelial cells in visual disorders, it would be desirable to be able to provide cells which could fulfill the desired function. (justia.com)
  • The exact phenotype, localization, and cell lineage origin of the precursor cells of MG are unknown, but. (tno.nl)
  • For example, because hematopoietic stem cells can reconstitute the entire blood system, bone marrow transplantation has long been used in the clinic to treat various diseases. (articlecity.com)
  • Leukocytes are produced in stem cells in bone marrow. (lu.se)
  • This includes bone and cartilage repair, cell types into which MSCs readily differentiate, and immune conditions such as graft versus host disease and autoimmune conditions that utilize the MSC's immune suppressive properties. (biomedcentral.com)
  • Although clinically relevant lesions become evident in middle-aged adults, it has been demonstrated that fat accumulation (known as fatty streaks) begins in early childhood [ 5 ]. (hindawi.com)
  • The marrow is replaced with lymphoblasts of various sizes. (medscape.com)
  • A shift in the nature of complications from early to late graft dysfunction has been similarly observed after transplantation of other solid organs 2 . (ersjournals.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)
  • Moreover, the transplantation of BMMSCs can decrease aberrant amyloid-beta peptides as well as tau aggregates, inhibit neuroinflammation, and stimulate synaptogenesis. (biomedcentral.com)
  • This apparently contradictory feature may be the foundation of the reversible transformation of precancerous lesions. (biomedcentral.com)
  • This study aimed to review the current literature on pulp regeneration for immature teeth with periapical lesion. (bvsalud.org)
  • Over the last decade, improvements in surgical techniques, lung preservation, immunosuppression, and management of ischaemia/reperfusion injury and infections have contributed to increase the 1‐yr patient survival after lung transplantation (LTx) to 70-80% 1 . (ersjournals.com)
  • Rare cases of precursor B-LL involving orbital mass and plasmablastic lymphoma involving paranasal sinuses were studied. (ijmpo.org)
  • Here we show that bone marrow endosteal SSCs are defined by fibroblast growth factor receptor 3 ( Fgfr3 ) and osteoblast-chondrocyte transitional (OCT) identities with some characteristics of bone osteoblasts and chondrocytes. (nature.com)
  • Osteoblasts (OB) and osteoclasts (OC) have been identified as playing a crucial role in the process of bone turnover, but the contribution made by their precursors is not. (tno.nl)
  • Over the last decade, improvements in surgical techniques, lung preservation, immunosuppression, and management of ischaemia/reperfusion injury and infections have made intermediate-term survival after lung transplantation an achievable goal. (ersjournals.com)
  • eg, bone, bone marrow, and skin grafts) Genetically identical (syngeneic [between monozygotic twins]) donor tissue (isografts) Genetically. (msdmanuals.com)
  • Expression of WT macrophage ABCA1 in ABC1 -/- mice resulted in a small but significant increase in apoA-I levels starting 2 weeks after transplantation. (jci.org)
  • The increase in apoAI was accompanied by a small but significant increase in HDL cholesterol 6 weeks after transplantation. (jci.org)
  • The time between transplantation and onset of BOS can range from a few months to several years, but in most series, the median time to diagnosis is 16-20 months. (ersjournals.com)
  • Excess accumulation of cholesterol in macrophages results in foam cell production and lesion development. (jci.org)
  • Lipid-poor HDL precursors mature by obtaining cholesterol and phospholipids from cell membranes or triglyceride-rich lipoproteins. (jci.org)
  • Cell transplantation therapy has emerged as a potential candidate treatment for ischemic stroke. (biomedcentral.com)
  • Biopsies of skin lesions commonly find prominent accumulations of eosinophils. (wikipedia.org)