نتایج جستجو برای: Glycosylphosphatidylinositol
تعداد نتایج: 2070 فیلتر نتایج به سال:
BACKGROUND Patients with paroxysmal nocturnal hemoglobinuria harbor clonal glycosylphosphatidylinositol-anchor deficient cells arising from a multipotent hematopoietic stem cell acquiring a PIG-A mutation. Many patients with aplastic anemia and myelodysplastic syndromes also harbor small populations of glycosylphosphatidylinositol-anchor deficient cells. Patients with aplastic anemia often evol...
We have compared the intracellular localization of plasma membrane proteins anchored either with a transmembrane segment or with a glycosylphosphatidylinositol moiety to estimate the effects of membrane anchor on protein segregation in the non-polarized form of the human colon cancer cell line HT-29 18. We have monitored two endogenous proteins: the carcinoembryonic antigen, a glycosylphosphati...
We have here used diphtheria toxin as a tool to investigate the type of endocytosis used by a glycosylphosphatidylinositol-linked molecule, a glycosylphosphatidylinositol-linked version of the diphtheria toxin receptor that is able to mediate intoxication. The receptor is expressed in HeLa cells where clathrin-dependent endocytosis can be blocked by overexpression of mutant dynamin. Diphtheria ...
The inhibition of glycosylphosphatidylinositol anchor biosynthesis by mannosamine has been described previously in the procyclic forms of Trypanosoma brucei and in mammalian cells (Lisanti, M. P., Field, M. C., Caras, I. W. J., Menon, A. K., and Rodriguez-Boulan, E. (1991) EMBO J. 10, 1969-1977). A recent report has suggested that mannosamine exerts these effects by becoming incorporated into g...
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