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Masakazu Kawaguchi, Yutaka Hozumi, Tamio Suzuki
BACKGROUND: ADAMs (a disintegrin and metalloprotease) are a family of proteases involved in ectodomain shedding that play a role in various biological processes such as cell adhesion and migration. ADAM10 and ADAM17 are suggested to be involved in pigmentary disorders. OBJECTIVE: We examined the effect of ADAM protease inhibitors on the modulation of melanogenesis in normal human epidermal melanocytes (NHEM). METHODS: NHEMs and B16F10 treated with ADAM protease inhibitors were analyzed...
May 2015: Journal of Dermatological Science
Lawrence S Stennett, Adam I Riker, Tara M Kroll, Janine ChaMberlin, Toru Miki, Brian J Nickoloff, I Caroline Le Poole
Expression of the pigmentation-associated gene PMel17 is regulated by a 1 kB promoter region shared between the PMel17 and CDK2 genes. The encoded melanosomal glycoprotein gp100 and the cell cycle regulatory protein CDK2 are transcribed in opposite directions. Luciferase reporter constructs were generated for subregions of the promoter containing 0, 1, 2 or 3 putative binding sites for transcription factors with basic helix-loop-helix (bHLH) motifs. The potential contribution of bHLH transcription factor microphthalmia transcription factor (MITF) to promoter activity was investigated by re-introducing microphthalmia into melanoma cells lacking expression...
October 2004: Pigment Cell Research
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