Biochemistry of the Elastic Fibers in Normal Connective Tissues and its Alterations in Diseases

作者: Jouni Uitto

DOI: 10.1111/1523-1747.EP12530093

关键词: ElastinDense connective tissueBiochemistryElastic fiberFibrillogenesisConnective tissueCutis laxaChemistryElastosis perforans serpiginosaFibrillin

摘要: The elastic fibers present in various connective tissues of the body are responsible for physiologic elasticity organs. These consist 2 distinct components, elastin and fiber microfibrils. Controlled synthesis balanced interaction these components essential normal fibrillogenesis. intracellular biosynthesis by tissue cells, such as smooth muscle involves assembly polypeptide chains on membrane-bound ribosomes, hydroxylation some prolyl residues to hydroxyproline, secretion polypeptides packaged Golgi vacuoles. In extracellular space molecules assemble into structures which stabilized complex covalent cross-links, desmosines. Recently, aberrations structure or metabolism have been detected a variety heritable acquired diseases affecting skin other tissues. conditions include pseudoxanthoma elasticum, cutis laxa, elastosis perforans serpiginosa, well arteriosclerosis degenerative changes vascular

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