نتایج جستجو برای: thrombopoietin
تعداد نتایج: 1701 فیلتر نتایج به سال:
Activin A, BMP2, and BMP4, 3 members of the transforming growth factorfamily, are involved in the regulation of hematopoiesis. Here, we explored the role of these molecules in human megakaryopoiesis using an in vitro serum-free assay. Our results highlight for the first time that, in the absence of thrombopoietin, BMP4 is able to induce CD34 progenitor differentiation into megakaryocytes throug...
Activin A, BMP2, and BMP4, 3 members of the transforming growth factor-beta family, are involved in the regulation of hematopoiesis. Here, we explored the role of these molecules in human megakaryopoiesis using an in vitro serum-free assay. Our results highlight for the first time that, in the absence of thrombopoietin, BMP4 is able to induce CD34(+) progenitor differentiation into megakaryocyt...
The glycoprotein thrombopoietin (TPO) is the major stimulator of megakaryopoiesis and platelet production. Hepatocytes express TPO mRNA at a constant rate. The plasma TPO level is inversely correlated to the mass of megakaryocytes and platelets, which degrade the hormone following its binding to specific membrane receptors.
The fluoride dose ingested by young children may be overestimated if based on levels of total fluoride (TF) rather than levels of bioavailable fluoride (total soluble fluoride-TSF) in toothpaste. The aim of the present study was to compare doses of fluoride intake based on TF and TSF. Fluoride intake in 158 Brazilian children aged three and four years was determined after tooth brushing with th...
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