نتایج جستجو برای: maintenance stem cell
تعداد نتایج: 1921337 فیلتر نتایج به سال:
The Mediator complex has recently been shown to be a key player in the maintenance of embryonic and induced pluripotent stem cells. However, the in vivo consequences of loss of many Mediator subunits are unknown. We identified med14 as the gene affected in the zebrafish logelei (log) mutant, which displayed a morphological arrest by 2 days of development. Surprisingly, microarray analysis showe...
Recent identification of the Arabidopsis thaliana tyrosylprotein sulfotransferase (TPST) and a group of Tyr-sulfated peptides known as root meristem growth factors (RGFs) highlights the importance of protein Tyr sulfation in plant growth and development. Here, we report the action mechanism of TPST in maintenance of the root stem cell niche, which in the Arabidopsis root meristem is an area of ...
The plant vascular system, composed of xylem and phloem, evolved to connect plant organs and transport various molecules between them. During the post-embryonic growth, these conductive tissues constitutively form from cells that are derived from a lateral meristem, commonly called procambium and cambium. Procambium/cambium contains pluripotent stem cells and provides a microenvironment that ma...
background: bone marrow stromal stem cells (bmsc) are appropriate source of multipotent stem cells that are ideally suited for use in various cell-based therapies. it can be differentiated into neuronal-like cells under appropriate conditions. this study examined the effectiveness of co-stimulation of creatine and retinoic acid in increasing the differentiation of bmsc into gabaergic neuron-lik...
in this center, from 1991 to 2002, 89 chronic myelogenous leukemic (cml) patients, age ranging between 8-48 years with a median age of 29, underwent hematopoietic stem cell transplantation. eighty-eight patients were in the first chronic phase of disease. twenty-three patients received bone marrow transplantation (bmt) and 66 patients received peripheral blood stem cell transplantations (pbsct)...
purpose: to report the early results of transplantation of autologous limbal stem cell cultivated on amniotic membrane in total limbal stem cell deficiency. methods: four eye of 4 patients with total unilateral stem cell deficiency secondary to severe chemical or thermal burn were included. stem cell deficiency was confirmed with impression cytology in all cases. under topical anesthesia, a sma...
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