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- W2017001941 abstract "The pathology of chronic dermal ulcers is characterized by excessive proteolytic activity which degrades extracellular matrix (required for cell migration) and growth factors and their receptors. The overexpression of MMP-3 (stromelysin-1) and MMP-13 (collagenase-3) is associated with nonhealing wounds, whereas active MMPs-1, -2, -9, and -14 are required for normal wound healing to occur. We describe the synthesis and enzyme inhibition profile of (3R)-3-({[(1S)-2,2-dimethyl-1-({[(1S)-2-methoxy-1-phenylethyl]amino}carbonyl)propyl]amino}carbonyl)-6-(3-methyl-4-phenylphenyl)hexanoic acid (UK-370,106, 7), which is a potent inhibitor of MMP-3 (IC50 = 23 nM) with >1200-fold weaker potency vs MMP-1, -2, -9, and -14. MMP-13, which may also contribute to the pathology of chronic wounds, was inhibited about 100-fold less potently by compound 7. Compound 7 potently inhibited cleavage of [3H]-fibronectin by MMP-3 (IC50 = 320 nM) but not cleavage of [3H]-gelatin by either MMP-2 or -9 (up to 100 μM). Compound 7 had little effect, at MMP-3 selective concentrations, on keratinocyte migration over a collagen matrix in vitro, which is a model of the re-epithelialization process. Following iv (rat) or topical administration to dermal wounds (rabbit), compound 7 was cleared rapidly (t1/2 = 23 min) from plasma, but slowly (t1/2 ∼ 3 days) from dermal tissue. In a model of chronic dermal ulcers, topical administration of compound 7 for 6 days substantially inhibited MMP-3 ex vivo. These data suggest compound 7 is sufficiently potent to inhibit MMP-3-mediated matrix degradation while leaving unaffected cellular migration mediated by MMPs 1, 2, and 9. These properties make compound 7 a suitable candidate for progression to clinical trials in human chronic dermal wounds, such as venous ulcers." @default.
- W2017001941 created "2016-06-24" @default.
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- W2017001941 date "2003-07-01" @default.
- W2017001941 modified "2023-10-11" @default.
- W2017001941 title "A Potent, Selective Inhibitor of Matrix Metalloproteinase-3 for the Topical Treatment of Chronic Dermal Ulcers" @default.
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- W2017001941 doi "https://doi.org/10.1021/jm0308038" @default.
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