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Avasimibe对Lewis肺癌小鼠抗肿瘤作用研究 被引量:1
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作者 乔旭旭 毕明宏 +2 位作者 张浩然 梁伟晨 郭建路 《肿瘤学杂志》 CAS 2019年第5期413-417,共5页
[目的]观察Avasimibe对Lewis肺癌小鼠模型肿瘤生长及转移的抑制作用,探索其可能的作用机制。[方法]选择24只C57BL/6小鼠,左前肢腋下接种Lewis肺癌细胞(LLC)构建Lewis肺癌小鼠模型,随机分成对照组、环磷酰胺(CTX)组、Avasimibe组、CTX+Av... [目的]观察Avasimibe对Lewis肺癌小鼠模型肿瘤生长及转移的抑制作用,探索其可能的作用机制。[方法]选择24只C57BL/6小鼠,左前肢腋下接种Lewis肺癌细胞(LLC)构建Lewis肺癌小鼠模型,随机分成对照组、环磷酰胺(CTX)组、Avasimibe组、CTX+Avasimibe四组,每组6只。于接种肿瘤后第10d分别向Lewis肺癌小鼠模型腹腔注射生理盐水、CTX溶液、Avasimibe、CTX+Avasimibe溶液。至造模后35d,观察各组小鼠生存状态及移植瘤生长情况,称量小鼠体重、瘤重、胸腺重,计算抑瘤率、胸腺指数,观察肝肺转移情况,Western blot检测瘤组织ACAT-1的表达。[结果]与对照组比较,小鼠未出现体重减轻,各组瘤重均降低,CTX+Avasimibe组瘤重低于CTX组及Avasimibe组。四组抑瘤率分别为0、53.45%、51.51%和62.22%,与对照组比较,其余三组抑瘤率升高;与CTX组及Avasimibe组比较,CTX+Avasimibe组抑瘤率升高;与对照组比较,CTX组胸腺重显著性降低,Avasimibe组胸腺重显著性升高,CTX组胸腺指数显著性降低,与CTX组相比,Avasimibe组及CTX+Avasimibe组的胸腺重及胸腺指数均显著性增加。对照组小鼠出现肝肺转移,CTX组、Avasimibe组及CTX+Avasimibe组未见肝肺转移情况;与对照组和CTX组比较,Avasimibe组及CTX+Avasimibe组ACAT-1蛋白表达降低。[结论] Avasimibe在Lewis肺癌小鼠体内可有效发挥抑制肿瘤生长及转移的作用,而且还可以提高小鼠的免疫功能,这为肺癌治疗提供一个新靶点。 展开更多
关键词 avasimibe ACAT-1 LEWIS肺癌 抗肿瘤
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Research Progress on Anti-tumor Therapy Targeting Cholesterol Metabolism
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作者 Rilan Bai Ling Bai +1 位作者 Wei Li Jiu Wei Cui 《Journal of Nutritional Oncology》 2017年第4期159-164,共6页
Recent studies have shown that reprogramming of cholesterol metabolism occurs in both tumor cells and immune cells.Therapeutic strategies to inhibit the cholesterol synthesis pathway also interfere with normal metabol... Recent studies have shown that reprogramming of cholesterol metabolism occurs in both tumor cells and immune cells.Therapeutic strategies to inhibit the cholesterol synthesis pathway also interfere with normal metabolic homeostasis and actions of immune cells.Thus,it is urgent to develop anti-tumor drugs that maintain a balance between inhibiting tumor cells and maintaining immune cell activity for anti-tumor metabolic immunotherapy.We will focus this review on the interaction between cholesterol and immune cells,effects of cholesterol and its metabolites on the pathogenesis and development of tumors,and strategies for developing antitumor therapies based on cholesterol metabolism.It has been shown that leelamine and modulators targeting cholesterol esters,27-hydroxycholesterol,and Dendrogenin A are potential candidates for anti-tumor metabolic therapy.Particularly,the ACAT inhibitor avasimibe,an established target for atherosclerosis,has attracted the attention of clinical researches because of its unique influence on both inhibiting tumor cells and enhancing immune cell function,which are expected to provide new research directions for cancer treatment. 展开更多
关键词 CANCER IMMUNE CHOLESTEROL METABOLIC REPROGRAMMING avasimibe
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