نتایج جستجو برای: vi gene
تعداد نتایج: 1180901 فیلتر نتایج به سال:
Mucopolysacchariodosis type VI (MPS VI) is the lysosomal storage disorder caused by the deficient activity of arylsulfatase B (ASB; N-acetylgalactosamine 4-sulfatase) and the subsequent accumulation of the glycosaminoglycan (GAG), dermatan sulfate. In this study, a retroviral vector containing the full-length human ASB cDNA was constructed and used to transduce skin fibroblasts, chondrocytes, a...
Previous studies have suggested that procollagen types I and III are the major collagenous gene products of cultured human skin fibroblasts. In this study the expression of 10 different genes, encoding the subunit polypeptides for collagen types I-VI, by human skin fibroblasts in culture was analyzed by molecular hybridizations. Northern transfer analysis demonstrated the presence of specific m...
Maroteaux-Lamy disease, also known as mucopolysaccharidosis (MPS) VI, is an MPS disorder caused by mutations in the ARSB gene encoding for the lysosomal enzyme arysulfatase B (ARSB). Deficient ARSB activity leads to lysosomal accumulation of dermatan sulfate in a wide range of tissues and organs. There are various animal models of MPS VI that have been well characterized from a biochemical and ...
Osteogenesis imperfecta type VI (OI type VI) is a rare autosomal recessive disorder caused by mutations in the SERPINF1 gene that encodes pigment epithelium-derived factor (PEDF). Cystinosis is an autosomal recessive lysosomal transport disorder caused by mutations in the CTNS gene. Both SERPINF1 and CTNS are located on chromosome 17p13.3. We describe an individual presenting with both OI type ...
Abstract Background Collagen VI related myopathies are congenital diseases of variable phenotype. The severe phenotype is referred to as Ullrich muscular dystrophy. In this study, we describe analoguos clinical signs and histopathological alterations in Landseer dogs. Materials We collected data from two affected dogs investigated the neuromuscular changes five different litters with immunohist...
Myosin VI is thought to function as both a transporter and an anchor. While in vitro studies suggest possible mechanisms for processive stepping, a biochemical basis for anchoring has not been demonstrated. Using optical trapping, we observed myosin VI stepping against applied forces. Step size is not strongly affected by such loads. At saturating ATP, myosin VI kinetics shows little dependence...
Chromium and uranium are highly toxic metals that contaminate many natural environments. We investigated their mechanisms of toxicity under anaerobic conditions using nitrate-reducing Pseudomonas stutzeri RCH2, which was originally isolated from a chromium-contaminated aquifer. A random barcode transposon site sequencing library of RCH2 was grown in the presence of the chromate oxyanion (Cr[VI]...
To investigate the toxic mechanism of hexavalent chromium Cr(VI) and search for an antidote for Cr(VI)-induced cytotoxicity, a study of mitochondrial dysfunction induced by Cr(VI) and cell survival by recovering mitochondrial function was performed. In the present study, we found that the gene expression of electron transfer flavoprotein dehydrogenase (ETFDH) was strongly downregulated by Cr(VI...
Biomineralization is a highly regulated process that plays a major role during the development of skeletal tissues. Despite its obvious importance, little is known about its regulation. Previously, it has been demonstrated that retinoic acid (RA) stimulates terminal differentiation and mineralization of growth plate chondrocytes (Iwamoto, M., I.M. Shapiro, K. Yagumi, A.L. Boskey, P.S. Leboy, S....
Certain forms of the heavy metals arsenic and chromium are considered human carcinogens, although they are believed to act through very different mechanisms. Chromium(VI) is believed to act as a classic and mutagenic agent, and DNA/chromatin appears to be the principal target for its effects. In contrast, arsenic(III) is considered nongenotoxic, but is able to target specific cellular proteins,...
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