Human leukemia cell line K562 responds to erythroid-potentiating activity
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چکیده
منابع مشابه
Human Leukemia Cell Line K562 Responds
We report that erythroid-potentiating activity (EPA). known to stimulate the proliferation of normal human erythroid precursors in vitro. has a growth-promoting effect on human K562 erythroleukemia cells and Friend mouse erythroleukemia cells. Detailed studies were carried out using an EPA produced by a human T-lymphoblast line (Mo). Although EPA has not been purified to homogeneity. several ob...
متن کاملK562 cells produce and respond to human erythroid-potentiating activity.
Human erythroid-potentiating activity (EPA) is a 28,000 mol wt glycoprotein that stimulates the growth of erythroid progenitors in vitro and enhances colony formation by the K562 human erythroleukemia cell line. EPA has potent protease inhibitory activity, and is also referred to as tissue inhibitor of metalloproteinases (TIMP). We observed that colony formation by K562 cells in semi-solid medi...
متن کاملto Erythroid - Potentiating Activity
We report that erythroid-potentiating activity (EPA). known to stimulate the proliferation of normal human erythroid precursors in vitro. has a growth-promoting effect on human K562 erythroleukemia cells and Friend mouse erythroleukemia cells. Detailed studies were carried out using an EPA produced by a human T-lymphoblast line (Mo). Although EPA has not been purified to homogeneity. several ob...
متن کاملEmbryonic erythroid differentiation in the human leukemic cell line K562.
K562 human leukemia cells synthesize embryonic hemoglobins after culture in the presence of hemin. We have rigorously identified these hemoglobins by globin chain analysis and peptide mapping. No adult hemoglobin could be detected, and beta-globin synthesis was less than 2 ppm of total protein synthesis. Persistent embryonic globin gene expression is known to occur as a consequence of globin ge...
متن کاملButyrate-induced erythroid differentiation of human K562 leukemia cells
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ژورنال
عنوان ژورنال: Blood
سال: 1982
ISSN: 0006-4971,1528-0020
DOI: 10.1182/blood.v59.2.300.300