Characterization of cis-Autoproteolysis of Polycystin-1, the Product of Human Polycystic Kidney Disease 1 Gene
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چکیده
منابع مشابه
Polycystin-1, the product of the polycystic kidney disease 1 gene, co-localizes with desmosomes in MDCK cells.
Polycystin-1 is a novel protein predicted to be a large membrane-spanning glycoprotein with an extracellular N-terminus and an intracellular C-terminus, harboring several structural motifs. To study the subcellular localization, antibodies raised against various domains of polycystin-1 and against specific adhesion complex proteins were used for two-color immunofluorescence staining. In Madine ...
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Polycystin-L (PCL), the third member of the polycystin family of proteins, functions as a Ca2+-modulated nonselective cation channel when expressed in Xenopus oocytes. Polycystin-1 and -2 are mutated in autosomal-dominant polycystic kidney disease (ADPKD), but the role of PCL in disease has not been determined. In this study, an anti-peptide polyclonal antiserum was generated against the carbox...
متن کاملThe structure of a PKD domain from polycystin-1: implications for polycystic kidney disease.
Most cases of autosomal dominant polycystic kidney disease (ADPKD) are the result of mutations in the PKD1 gene. The PKD1 gene codes for a large cell-surface glycoprotein, polycystin-1, of unknown function, which, based on its predicted domain structure, may be involved in protein-protein and protein-carbohydrate interactions. Approximately 30% of polycystin-1 consists of 16 copies of a novel p...
متن کاملRegulation of mTOR by polycystin-1: is polycystic kidney disease a case of futile repair?
Recent work has uncovered a functional link between polycystin-1 (PC1), the protein affected in autosomal-dominant polycystic kidney disease (ADPKD) and tuberin, the protein affected in tuberous sclerosis complex (TSC). These data suggest that PC1 functions by inducing the formation of a complex with tuberin and the Ser/Thr kinase mTOR thereby inhibiting mTOR activity. In normal, adult kidney, ...
متن کاملRegulation of STATs by polycystin-1 and their role in polycystic kidney disease
Autosomal-dominant polycystic kidney disease (ADPKD) is a common genetic disease caused by mutations in the gene coding for polycystin-1 (PC1). PC1 can regulate STAT transcription factors by a novel, dual mechanism. STAT3 and STAT6 are aberrantly activated in renal cysts. Genetic and pharmacological approaches to inhibit STAT3 or STAT6 have led to promising results in ADPKD mouse models. Here, ...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 2007
ISSN: 0021-9258
DOI: 10.1074/jbc.m703218200