نتایج جستجو برای: fetal liver cells
تعداد نتایج: 1715143 فیلتر نتایج به سال:
Numerous publications have described the importance of bone morphogenetic protein (BMP) signaling in the specification of hematopoietic tissue in developing embryos. Here we investigate the full role of canonical BMP signaling in both adult and fetal liver hematopoiesis using conditional knockout strategies because conventional disruption of components of the BMP signaling pathway result in ear...
The use of hematopoietic stem cells for in utero transplantation to create permanent hematochimerism represents a new concept in fetal therapy, although this approach has provided quite heterogeneous results. Flake and Zanjani have provided an excellent updated review of the current knowledge of in utero stem cell transplantation and have formulated diverse possible reasons for its poor clinica...
B-1 cells are an important cell population for the production of natural antibodies and front-line host defense. Here, we show that the MARVEL-domain-containing membrane protein CMTM7 (CKLF-like MARVEL transmembrane domain-containing 7) plays a critical role in BCR expression and survival in B-1a cells. We analyzed lymphocyte development in Rag1⁻/⁻ mice reconstituted with Cmtm7(flox/⁺) fetal li...
Langerhans cells (LCs) are the dendritic cells (DCs) of the epidermis, forming one of the first hematopoietic lines of defense against skin pathogens. In contrast to other DCs, LCs arise from hematopoietic precursors that seed the skin before birth. However, the origin of these embryonic precursors remains unclear. Using in vivo lineage tracing, we identify a first wave of yolk sac (YS)-derived...
Here we describe a comparative study of phenotypic properties of hepatic cells in situ and in vitro. We analyzed the expression levels and distribution patterns of ABC transporters MRP2 and MDR1, pan-cytokeratin, cytokeratin 18, albumin, alpha-fetoprotein and the specific hepatocyte marker OCH1E5 in the fetal and adult rat as well as human liver tissue and in human fetal hepatocytes of WRL 68 c...
Numerous publications have described the importance of bone morphogenetic protein (BMP) signaling in the specification of hematopoietic tissue in developing embryos. Here we investigate the full role of canonical BMP signaling in both adult and fetal liver hematopoiesis using conditional knockout strategies because conventional disruption of components of the BMP signaling pathway result in ear...
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