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Cytoprotective activity of extract of roasted coffee residue on mouse embryonic fibroblasts cells against apoptosis induced by oxidative stress

机译:烘焙咖啡渣提取物对小鼠胚胎成纤维细胞的氧化应激诱导的细胞保护作用

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This study was conducted to evaluate the cytoprotective activity of roasted coffee residues (RCRs) extract on mouse embryonic fibroblast (MEF) cells. RCRs originated from Colombia and Honduras are relatively nontoxic to cell growth and even stimulate cell proliferation. Colombian RCRs showed most efficient protective effects on MEF cells against oxidative damage induced by H2O2 compared among the extracts prepared under the same roasting time. The most significant radical scavenging activity was measured in RCR with roasting time of 8.5 min. Phenolic and nonphenolic compounds in RCRs were chlorogenic acid, caffeine, caffeic acid, nicotinic acid, trigonelline, and 5-(hydroxymethyl)furfuralolehyde. Effect of Colombian RCRs on apoptosis occurred by oxidative damage was evaluated by morphological and flow cytometric analysis. Apoptotic cell accumulation was decreased by cotreatment of MEF cells with Colombian RCRs. These results suggested that antioxidant potency of RCRs suppresses the cytotoxicity which is induced by H2O2 and has a protective effect on MEF cell against oxidative stress.
机译:进行这项研究以评估烘焙咖啡残留物(RCR)提取物对小鼠胚胎成纤维细胞(MEF)细胞的细胞保护活性。源自哥伦比亚和洪都拉斯的RCR对细胞生长相对无毒,甚至刺激细胞增殖。在相同焙烧时间下制备的提取物中,哥伦比亚RCRs对MEF细胞具有最有效的保护作用,使其免受H2 O2 引起的氧化损伤。在RCR中测量了最显着的自由基清除活性,焙烧时间为8.5分钟。 RCR中的酚类和非酚类化合物是绿原酸,咖啡因,咖啡酸,烟酸,松果碱和5-(羟甲基)糠醛。通过形态学和流式细胞术分析评估了哥伦比亚RCRs对氧化损伤引起的细胞凋亡的影响。通过将MEF细胞与哥伦比亚RCR共同处理可减少凋亡细胞的积累。这些结果表明RCRs的抗氧化能力抑制了H2 O2 诱导的细胞毒性,并对MEF细胞具有抗氧化应激的保护作用。

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