نتایج جستجو برای: colony growth
تعداد نتایج: 862540 فیلتر نتایج به سال:
Spatial expansion of a population cells can arise from growth microorganisms, plant cells, and mammalian cells. It underlies normal or dysfunctional tissue development, it be exploited as the foundation for programming spatial patterns. This is often driven by continuous division within colony, which in turn pushes peripheral outward. process generates repulsion velocity field at each location ...
We investigated the interactions between human erythropoietin (hEpo) and serum factor(s) on murine megakaryocyte (MK) colony formation. Serum-free cultures supported the growth of a large number of murine MK colonies in the presence of murine interleukin-3 (mIL-3). The addition of fetal calf serum (FCS) to mIL-3-containing cultures resulted in only a minimal increase in the number of murine MK ...
The use of phytohemagglutinin-supplemented colony cultures has offered new opportunities recently for studying acute myeloid leukemia (AML) cell growth in vitro. The active stimulator cells for AML colony-forming cells have not been identified, although this could be important for optimal application of the technique and for elucidating differences in growth between normal and leukemic progenit...
Adherence to a stainless steel surface selected isolates of Listeria monocytogenes with enhanced surface colonization abilities and a change in phenotype from the common smooth colony morphology to a succession of rough colony morphotypes. Growth in broth culture of the best-adapted, surface-colonizing rough colony morphotype gave a smooth colony revertant. Comparative analysis revealed that th...
Fregnan, G. B. (University of Wisconsin, Madison), D. W. Smith, and H. M. Randall. Biological and chemical studies on mycobacteria. Relationship of colony morphology to mycoside content for Mycobacterium kansasii and Mycobacterium fortuitum. J. Bacteriol. 82:517-527. 1961.-Using a suitable technique and an adequate medium it was possible to show a unique and uniform type of colony characteristi...
Protein kinase C (PKC) is a Ca++- and phospholipid-dependent protein kinase activated by diacylglycerol that is either released from cell membranes in response to certain growth factors or mimicked by 12-O-tetradecanoyl phorbol-13-acetate (TPA). We studied the effects of TPA on interleukin-3 (IL-3)-dependent colony formation of mouse bone marrow cells from mice injected with 5-fluorouracil 2 da...
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