نتایج جستجو برای: type vii collagen
تعداد نتایج: 1402056 فیلتر نتایج به سال:
Recessive dystrophic epidermolysis bullosa (RDEB) is caused by mutations in COL7A1 resulting in reduced or absent type VII collagen, aberrant anchoring fibril formation and subsequent dermal-epidermal fragility. Here, we identify a significant decrease in PLOD3 expression and its encoded protein, the collagen modifying enzyme lysyl hydroxylase 3 (LH3), in RDEB. We show abundant LH3 localising t...
PURPOSE Collagen gels may prove to be potential carriers for transplantation of cultured corneal epithelial cells. The purpose of this study was to evaluate the suitability of collagen gels in comparison with corneal stromal blocks as the substrate to support the growth of human corneal epithelial cells in culture and the synthesis and deposition of the basement membrane components by these cel...
Type VII procollagen has been characterized as a product of epithelial cell lines. As secreted, it contains a large triple-helical domain terminated by a multi-globular-domained carboxyl terminus (NC-1), and a smaller amino-terminal globule (NC-2). The triple helix and the NC-1 domain have previously been identified in anchoring fibril-containing tissues by biochemical and immunochemical means,...
PURPOSE To examine whether trigeminal ganglion (TG) neurons in tissue culture influence expression of Type VII collagen (a major component of the anchoring fibrils involved in the attachment of the epithelium to the underlying stroma) by cultured corneal epithelial cells. METHODS A two-chambered coculture system was used. Fetal rabbit TG neurons were cultured into a central chamber on collage...
Generalized mutilating recessive dystrophic epidermolysis bullosa (RDEB) is characterized by extreme skin fragility owing to loss of dermal-epidermal adherence. Immunohistochemical studies have implicated type VII collagen, the major component of anchoring fibrils, in the etiology ofRDEB. In this study, we demonstrate genetic linkage of the type VII collagen gene and the generalized mutilating ...
Generalized mutilating recessive dystrophic epidermolysis bullosa (RDEB) is characterized by extreme skin fragility owing to loss of dermal-epidermal adherence. Immunohistochemical studies have implicated type VII collagen, the major component of anchoring fibrils, in the etiology of RDEB. In this study, we demonstrate genetic linkage of the type VII collagen gene and the generalized mutilating...
OBJECTIVES Epidermolysis bullosa is one of the most important series of mechano-bullous heritable skin disorders which is categorized into four major types according to the layer that bullae forms within basement membrane zone. In dystrophic form of the disease, blisters are made in the sublamina densa zone, at the level of type VII collagen protein which produce anchoring fibrils. Type VII col...
Type VII collagen is the main component of anchoring fibrils, structures that are integral to basement membrane homeostasis in skin. Mutations in the gene encoding type VII collagen COL7A1 cause recessive dystrophic epidermolysis bullosa (RDEB) an inherited skin blistering condition complicated by frequent aggressive cutaneous squamous cell carcinoma (cSCC). OATP1B3, which is encoded by the gen...
Dominant-negative interference by glycine substitution mutations in the COL7A1 gene causes dominant dystrophic epidermolysis bullosa (DDEB), a skin fragility disorder with mechanically induced blistering. Although qualitative and quantitative alterations of the COL7A1 gene product, collagen VII, underlie DDEB, the lack of direct correlation between mutations and the clinical phenotype has rende...
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