Mannose 6-Phosphate Receptors and Lysosomal Enzyme Targeting
نویسندگان
چکیده
منابع مشابه
Insulin-like growth factor II/cation-independent mannose 6-phosphate receptor and lysosomal enzyme recognition.
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We have examined the distribution of mannose-6-phosphate (Man6P) receptors (215 kD) for lysosomal enzymes in cultured Clone 9 hepatocytes at various times after the addition or removal of lysosomotropic weak bases (chloroquine or NH4Cl). Our previous studies demonstrated that after treatment with these agents, Man6P receptors are depleted from their sorting site in the Golgi complex and accumul...
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The intracellular distributions of the cation-independent mannose 6-phosphate receptor (MPR) and a 120-kD lysosomal membrane glycoprotein (lgp120) were studied in rat hepatoma cells. Using quantitative immunogold cytochemistry we found 10% of the cell's MPR located at the cell surface. In contrast, lgp120 was not detectable at the plasma membrane. Intracellularly, MPR mainly occurred in the tra...
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Niemann-Pick disease type C (NPC), caused by mutations in the NPC1 gene or the NPC2 gene, is characterized by the accumulation of unesterified cholesterol and other lipids in endo/lysosomal compartments. NPC2 is a small, soluble, lysosomal protein that is targeted to this compartment via a mannose 6-phosphate-inhibitable pathway. To obtain insight into the roles of mannose 6-phosphate receptors...
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Salmonella typhimurium is an intracellular bacterial pathogen that remains enclosed in vacuoles (SCV) upon entry into the host cell. In this study we have examined the intracellular trafficking route of S. typhimurium within epithelial cells. Indirect immunofluorescence analysis showed that bacteria initiated fusion with lysosomal membrane glycoprotein (lgp)-containing compartments approximatel...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1989
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)63825-6