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首页> 外文期刊>Bulletin of experimental biology and medicine >Peptide Regulation of Skin Fibroblast Functions during Their Aging In Vitro
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Peptide Regulation of Skin Fibroblast Functions during Their Aging In Vitro

机译:皮肤成纤维细胞体外老化过程中的肽调节

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摘要

The effect peptides KE, KED, AED and AEDG on proliferation (Ki-67), regeneration and aging (CD98hc), apoptosis (caspase-3), and extracellular matrix remodeling (MMP-9) in skin fibroblasts during their aging in culture were studied by immunofluorescent confocal microscopy. All studied peptides inhibited MMP-9 synthesis that increases during aging of skin fibroblasts and enhanced the expression of Ki-67 and CD98hc that are less intensively synthesized during cell aging. Peptides AED and AEDG suppressed caspase-dependent apoptosis that increases during aging of cell cultures.
机译:肽KE,KED,AED和AEDG对皮肤成纤维细胞在培养过程中衰老过程中的增殖(Ki-67),再生和衰老(CD98hc),凋亡(caspase-3)和细胞外基质重塑(MMP-9)的影响通过免疫荧光共聚焦显微镜研究。所有研究的肽都抑制了MMP-9的合成,该合成在皮肤成纤维细胞的衰老过程中增加,并增强了在细胞衰老过程中合成强度较低的Ki-67和CD98hc的表达。肽AED和AEDG抑制了caspase依赖性凋亡,该凋亡在细胞培养物的衰老过程中增加。

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