The demonstration that information required for the generation of neurons before glia is intrinsic to individual stem cell–derived clones poses the question of mechanism. One possibility is that there is a clock intrinsic to stem cells that determines when daughter cells will be Discussions of CNS stem cell biology often leave the specified to adopt neuronal fates and when they will impression ...

The demonstration that information required for the generation of neurons before glia is intrinsic to individual stem cell–derived clones poses the question of mechanism. One possibility is that there is a clock intrinsic to stem cells that determines when daughter cells will be Discussions of CNS stem cell biology often leave the specified to adopt neuronal fates and when they will impression ...

The demonstration that information required for the generation of neurons before glia is intrinsic to individual stem cell–derived clones poses the question of mechanism. One possibility is that there is a clock intrinsic to stem cells that determines when daughter cells will be Discussions of CNS stem cell biology often leave the specified to adopt neuronal fates and when they will impression ...

BACKGROUND Human epidemiological and animal studies suggest that developmental exposure to contaminants that activate the aryl hydrocarbon receptor (AHR) lead to suppression of immune system function throughout life. The persistence of immune deficiency throughout life suggests that the cellular target of AHR activation is a fetal hematopoietic progenitor or stem cell. OBJECTIVES The aim of t...

how to cite this article: : farivar s, mohamadzade z, shiari r, fahimzad ar. neural differentiation of human umbilical cord mesenchymal stem cells by cerebrospinal fluid. . iran j child neurol. 2015 winter; 9(1):87-93.     abstract objective wharton’s jelly (wj) is the gelatinous connective tissue from the umbilical cord. it is composed of mesenchymal stem cells, collagen fibers, and proteoglyc...

Articles should focus on stem cell biology and may include the following topics: Stem cell properties § § Types, including hematopoietic stem cells, embryonic stem cells, mesenchymal stem cells and induced pluripotent stem cells, plasticity and immunophenotype. Stem cell biology § § Microenvironment niches, including bone marrow and fetal liver, gene regulation including that of transcription f...

Stem cells persist throughout life in diverse tissues by undergoing self-renewing divisions. Self-renewal capacity declines with age, partly because of increasing expression of the tumor suppressor p16(Ink4a). We discovered that the Hmga2 transcriptional regulator is highly expressed in fetal neural stem cells but that expression declines with age. This decrease is partly caused by the increasi...

BACKGROUND AND OBJECTIVES Characterization of the different sites of fetal hematopoiesis during the second trimester of pregnancy can provide important information for the timing of in utero stem cell transplantation (SCT), as an experimental treatment for congenital hematologic disorders. DESIGN AND METHODS We analyzed the distribution of the different hematopoietic precursor cells in fetal ...

brain injuries that caused by strokes (result of intra partum ischemia) are a frequent cause of prenatal mortality and morbidity with limited therapeutic options. transplanting human mesenchymal stem cells (hmscs) indicates improvement in hypoxic ischemic brain injury (hibd) by secretion growth factor stimulating repair processes (hmscs) known as multi potent cells which isolated from bone marr...