منابع مشابه
Differential Requirements for α4 Integrins during Fetal and Adult Hematopoiesis
␣4 integrins in hematopoiesis at several different levels, including the development of hematopoietic precursors, and Richard O. Hynes lymphoid and myeloid cells. ␣4 integrins are widely ex-Howard Hughes Medical Institute pressed on different cell types, including hematopoieticbers of the 1 subfamily, including ␣41 and ␣51 and their counterreceptors, have been implicated in the at-Summary ta...
متن کاملIncreased nitrite reductase activity of fetal versus adult ovine hemoglobin.
Growing evidence indicates that nitrite, NO2-, serves as a circulating reservoir of nitric oxide (NO) bioactivity that is activated during physiological and pathological hypoxia. One of the intravascular mechanisms for nitrite conversion to NO is a chemical nitrite reductase activity of deoxyhemoglobin. The rate of NO production from this reaction is increased when hemoglobin is in the R confor...
متن کاملApoptosis and hematopoiesis in murine fetal liver.
The fetal mouse liver (FL) is an organ of intense, but transient, hematopoietic activity during mid-gestation, with erythropoiesis being predominant during days 11 through 16. It therefore seemed reasonable to expect that hematopoietic cytokines, such as erythropoietin (epo), interleukin-3 (IL-3), and stem cell factor (SCF), may play important roles in maintaining a homeostatic balance of eryth...
متن کاملApoptosis and Hematopoiesis in Murine Fetal Liver
The fetal mouse liver (FL) is an organ of intense, but transient, hematopoietic activity during mid-gestation, with erythropoiesis being predominant during days 1 1 through 16. It therefore seemed reasonable to expect that hematopoietic cytokines, such as erythropoietin (epo), interleukin-3 (IL-3). and stem cell factor (SCF), may play important roles in maintaining a homeostatic balance of eryt...
متن کاملThe size of megakaryocytes in human fetal, infantile and adult hematopoiesis.
It has been reported that the appearance of small megakaryocytes can be detected in various blood diseases and in fetal hematopoiesis. In the studies reported herein, we have investigated the age changes in the area of megakaryocytes during fetal stage to the newborn infant, infant, and adult stage. The megakaryocyte increased in size from ago of 5 months to 10 months in fetal stage, and then a...
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ژورنال
عنوان ژورنال: Science
سال: 2020
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.370.6522.1287-d