Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:1.4.3.13 (lysyl oxidase)
 1,248 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Methods controlling tissue fibrosis are classified into those specifically inhibiting various metabolic aspects of collagen selectively in the injured tissue (ascorbic acid deficiency, effect of agent chelating Fe(2+), proline analogs, lathyrogens). The most promising method seems to be the blocking of crosslinks formation among collagen molecules by beta-aminopropionitrile, a competitive inhibitor of a crosslinking enzyme, lysyl oxidase. The second group of methods is called nonspecific, as they affect any stage of inflammatory process preceding the activation of fibroblasts. The importance of activated macrophages in the stimulation of fibroblast is discussed. Finally, a new concept is proposed, indicating the function of zinc ions in the control of the integrity of biomembrances, tissue reactivity to noxious agents. It is suggested that zinc may control NADPH dependent lipid peroxidation at the membrane level by inhibiting NADPH oxidase activity. The implication of these ideas to lung fibrosis induced by silica or asbestos is discussed.
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PMID:Pharmacology of fibrosis and tissue injury. 437 75

Myocardial fibrosis is the result of excessive fibrillar collagen synthesis and deposition without reciprocally balanced degradation. It causes cardiac dysfunction, arrhythmias, and ischaemia, and thereby determines the clinical course and outcome of cardiac patients even when adequately treated. Therefore, further research is needed to identify and better understand the factors that trigger and maintain the myocardial fibrotic response against different injuries in a variety of cardiac diseases. Here, we will focus on the following major areas of research: molecules that stimulate the differentiation of fibroblasts into myofibroblasts and subsequently alter collagen turnover (e.g. cardiotrophin-1, galectin-3, NADPH oxidases, and neutrophil gelatinase-associated lipocalin), microRNA-induced alterations of collagen gene expression, and matricellular protein- and lysyl oxidase-mediated alterations of collagen cross-linking and deposition.
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PMID:Searching for new mechanisms of myocardial fibrosis with diagnostic and/or therapeutic potential. 2637 17