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Biological Effects Induced by Specific Advanced Glycation End Products in the Reconstructed Skin Model of Aging

机译:特定的高级糖基化终产物在衰老的重建皮肤模型中诱导的生物效应

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Advanced glycation end products (AGEs) accumulate in the aging skin. To understand the biological effects of individual AGEs, skin reconstructed with collagen selectively enriched with N?-(carboxymethyl)-lysine (CML), N?-(carboxyethyl)-lysine (CEL), methylglyoxal hydroimidazolone (MG-H1), or pentosidine was studied. Immunohistochemistry revealed increased expression of α6 integrin at the dermal epidermal junction by CEL and CML ( p p p p p COL7A1 ), β1, and α6 integrin, while CML increased only COL7A1 ( p MMP3 mRNA expression was increased by both CML and MG-H1. CML also significantly increased the mRNAs of MMP1 , TIMP1 , keratinocyte growth factor ( KGF ), IL-6 , and monocyte chemoattractant protein 1 ( MCP1 ) ( p p.
机译:高级糖化终产物(AGEs)会在老化的皮肤中积聚。为了了解各个AGEs的生物学效应,用选择性地富含N ?-(羧甲基)-赖氨酸(CML),N ?-(羧乙基)-赖氨酸的胶原蛋白重建的皮肤(CEL),甲基乙二醛氢咪唑酮(MG-H1)或戊糖苷进行了研究。免疫组化显示CEL和CML(ppppp COL7A1),β1和α6整联蛋白在真皮表皮交界处增加了α6整联蛋白的表达,而CML仅增加了COL7A1(CML和MG-H1均增加了p MMP3 mRNA的表达。增加了MMP1,TIMP1,角质形成细胞生长因子(KGF),IL-6和单核细胞趋化蛋白1(MCP1)的mRNA(p。

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