نتایج جستجو برای: proprotein convertase
تعداد نتایج: 3949 فیلتر نتایج به سال:
Proprotein convertase subtilisin/kexin type 9 (PCSK9) has gained extensive attention since the discovery of its role in mediating hepatic low-density lipoprotein (LDL)-receptor (LDLR) degradation, and therefore regulating plasma LDL cholesterol clearance. However, emerging studies have indicated that PCSK9 may pleiotropic effects on development atherosclerosis eventually cardiac dysfunction by ...
OBJECTIVE The proprotein convertase subtilisin/kexin type 9 (PCSK9) gene encodes a proprotein convertase that causes degradation of cell surface low-density lipoprotein receptors (LDLRs). Mutations in the PCSK9 gene that disrupt the normal function of PCSK9 could therefore result in increased number of LDLRs and hypocholesterolemia. Also, the cholesterol-lowering effect of statins could be incr...
Proprotein convertase 4 (PCSK4) is a member of a family of proprotein convertases that convert inactive precursor proteins into their mature and active forms. PCSK4 is expressed by testicular germ cells and localizes to the sperm acrosome, suggesting roles in fertilization. Mice lacking PCSK4 exhibit a profound fertility defect; yet, to date, few substrates for PCSK4 are known. In this study, t...
AIMS Proprotein convertase subtilisin/kexin type 9 (PCSK9) is a secreted protein that enhances degradation of the LDL receptor. While agents that inhibit PCSK9 markedly reduce atherogenic lipoproteins and show great promise for event reduction, it is unknown whether plasma PCSK9 levels predict incident cardiovascular events. METHODS AND RESULTS In a nested case-control evaluation conducted in...
BACKGROUND There is little knowledge about familial hypercholesterolemia in Brazil. This study presents the first results of genetic cascade screening performed in the city of Sao Paulo. MATERIAL AND METHODS Two-hundred and forty-eight suspected index cases were initially included. DNA was extracted from peripheral blood and the complete coding sequence of low-density lipoprotein receptor, ex...
Four siblings presented with congenital diarrhea and various endocrinopathies. Exome sequencing and homozygosity mapping identified five regions, comprising 337 protein-coding genes that were shared by three affected siblings. Exome sequencing identified a novel homozygous N309K mutation in the proprotein convertase subtilisin/kexin type 1 (PCSK1) gene, encoding the neuroendocrine convertase 1 ...
Three glycoproteins (ZP1, ZP2, and ZP3) are synthesized in growing mouse oocytes and secreted to form an extracellular zona pellucida that mediates sperm binding and fertilization. Each has a signal peptide to direct it into a secretory pathway, a "zona" domain implicated in matrix polymerization and a transmembrane domain from which the ectodomain must be released. Using confocal microscopy an...
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