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首页> 外文期刊>Journal of Huazhong University of Science and Technology >Effects of Andrographitis Paniculata Extracts on the Expression of CD40 in Endothelial Cells
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Effects of Andrographitis Paniculata Extracts on the Expression of CD40 in Endothelial Cells

机译:穿心莲提取物对内皮细胞CD40表达的影响

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摘要

In order to investigate the expression of CD40 in endothelial cells (ECs) in a variety of injured conditions and the interventional role of Andrographitis Paniculata isolate (API_(0134)), the thoracic aorta ECs of guinea pigs were cultured in vitro until the third passage, incubated in the presence of media containing xanthine oxidase (XO) and xanthine (Xan) which produced oxygen free radical (OFR group); oxidized-LDL (ox-LDL group); XO, Xan and API_(0134) (OFR+API_(0134) group); or ox-LDL and API_(0134) (ox-LDL+API_(0134) group). The expression of CD40 in ECs was detected by immunofluorescence assay and reverse transcription-PCR (RT-PCR). The results showed as compared with the control group, the expression of CD40 in ECs in OFR group and ox-LDL group was increased (P < 0.01), but attenuated significantly in OFR+ API_(0134) group and OX-LDL+API_(0134) group (P < 0.05). It was suggested that API_(0134) could protect atherosclerosis by inhibiting the expression of CD40 molecule in injured ECs.
机译:为了研究CD40在各种损伤条件下在内皮细胞(EC)中的表达以及穿心莲分离株(API_(0134))的干预作用,将豚鼠的胸主动脉EC体外培养直至第三次传代,在含有黄嘌呤氧化酶(XO)和黄嘌呤(Xan)的培养基中孵育,该培养基会产生氧自由基(OFR组);氧化的LDL(ox-LDL基团); XO,Xan和API_(0134)(OFR + API_(0134)组);或ox-LDL和API_(0134)(ox-LDL + API_(0134)组)。通过免疫荧光法和逆转录PCR(RT-PCR)检测ECs中CD40的表达。结果显示,与对照组相比,OFR组和ox-LDL组ECs中CD40的表达增加(P <0.01),而OFR + API_(0134)组和OX-LDL + API_(0134)的CD40表达明显减弱。 )组(P <0.05)。提示API_(0134)可以通过抑制受损ECs中CD40分子的表达来保护动脉粥样硬化。

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