نتایج جستجو برای: c kit
تعداد نتایج: 1076403 فیلتر نتایج به سال:
Stem cell factor (SCF) stimulates the growth of burst-forming unit-erythroid (BFU-E) and colony-forming unit granulocyte-macrophage (CFU-GM) by binding to a specific cell surface receptor. The receptor for SCF is encoded by the protooncogene c-kit. After immunizing mice with the human erythroleukemia cell line OCIM1, we obtained a monoclonal antibody (MoAb) that recognizes the human c-kit recep...
Interactions between products of the mouse W locus, which encodes the c-kit tyrosine kinase receptor, and the Sl locus, which encodes a ligand for c-kit receptor, which we have designated stem cell factor (SCF), have a critical role in the development of mast cells. Mice homozygous for mutations at either locus exhibit several phenotypic abnormalities including a virtual absence of mast cells. ...
The c-kit proto-oncogene encodes a receptor having tyrosine-specific kinase activity and has been mapped to chromosome 4 in the human and chromosome 5 in the mouse, at the dominant white spotting locus (W). Mutations at the W locus affect various aspects of murine hematopoiesis. The c-kit proto-oncogene has been shown to be expressed by leukemic myeloblasts, but not by normal unseparated human ...
HIV-1 infection of the central nervous system (CNS) frequently causes dementia and other neurological disorders. The mechanisms of CNS injury in HIV-1 infection are poorly understood. Apoptosis of neurons and astrocytes is induced by HIV-1 infection in vitro and in brain tissue from AIDS patients, but the apoptotic stimuli have not been identified. We report herein that HIV-1 infection of prima...
Breast adenoid cystic carcinoma (BACC) is a biologically distinct tumor with morphologic mimickers, which might make accurate classification problematic. Because c-kit expression has been reported in adenoid cystic carcinoma of various anatomic sites, we evaluated BACC for c-kit by immunohistochemical analysis, comparing the findings to similarly stained mimickers. Tested cases included 6 BACCs...
AIMS The heart contains c-kit(+) progenitors that maintain cardiac homeostasis. Cardiac c-kit(+) cells are multipotent and give rise to myocardial, endothelial and smooth muscle cells, both in vitro and in vivo. C-kit(+) cells have been thoroughly investigated for their stem cell activity, susceptibility to stress conditions and ageing, as well as for their ability to repair the infarcted heart...
BACKGROUND/AIMS The discovery of c-kit+ cardiac stem cells (CSCs) provided us with new therapeutic targets to repair the damaged heart. However, the precise mechanisms regulating CSC proliferation and differentiation in the aged heart remained elusive. Necroptosis, a type of regulated cell death, has recently been shown to occur following myocardial infarction (MI); however, its effect on c-kit...
Cell therapy improves cardiac function. Few cells have been investigated more extensively or consistently shown to be more effective than c-kit sorted cells; however, c-kit expression is easily lost during passage. Here, our primary goal was to develop an improved method to isolate c-kit(pos) cells and maintain c-kit expression after passaging. Cardiac mesenchymal cells (CMCs) from wild-type mi...
A recent phase I clinical trial (SCIPIO) has shown that autologous c-kit+ cardiac progenitor cells (CPCs) improve cardiac function and quality of life when transplanted into patients with ischemic heart disease. Although c-kit is widely used as a marker of resident CPCs, its role in the regulation of the cellular characteristics of CPCs remains unknown. We hypothesized that c-kit plays a role i...
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