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Analysis of feasibility of application of Beishu point acupressure therapy in treating gastroesophageal reflux disease via AMPK / ULK1 mediated autophagy pathway based on "adjusting central axis via pivot" theory
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作者 Yu Zhang Mei-Zhen Huang +4 位作者 Chun-Qu Pan Hong-Wu Liu Yong-Xiang Lu Jin-Jing Tan Sheng Xie 《Journal of Hainan Medical University》 2021年第21期60-64,共5页
Gastroesophageal reflux disease(GERD)is a digestive system disease characterized by uncomfortable symptoms caused by reflux of gastric contents.It has increased sharply with the development of my country’s society an... Gastroesophageal reflux disease(GERD)is a digestive system disease characterized by uncomfortable symptoms caused by reflux of gastric contents.It has increased sharply with the development of my country’s society and economy.If there is no reasonable and effective Prevention and treatment measures will inevitably increase the financial burden of patients,and also pose a major threat to the quality of life and health of patients.Cell signal transduction mediated by various receptors participates in the regulation mechanism of the body's various levels of biological functions.By inhibiting or activating its functions,the purpose of curing diseases can be achieved,and cell signal transduction has been used in traditional Chinese medicine.Studying.The theory of"adjusting the central axis"was explored by Professor Xie Sheng through decades of clinical experience.It has been proven in practice to treat GERD.It starts from the model of TCM viscera and expounds that the pathogenesis of GERD involves multiple viscera.Multi-system and multi-factor,explain the correlation of the disease with a variety of zang-fu syndromes,and use this as a basis to guide the clinical use of hidden prescriptions.The back-shu pointer therapy can prevent GERD by correcting the unbalanced state of the viscera and qi machine,and promoting the junction of the two channels of Ren and Du.Based on the theory of"adjusting the hub by the pivot",this article expounds the pathogenesis of GERD from the perspective of traditional Chinese medicine.By consulting the literature and combining with the previous research,it proposes to analyze the methods and methods of Backshu pointer therapy to prevent and treat GERD from the AMPK/ULK1 mediated autophagy pathway. 展开更多
关键词 Adjusting the central axis via pivot Gastroesophageal reflux disease AMPK/ulk1 autophagy pathway Backshu point acupressure therapy
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延胡索乙素通过ULK1/FUNDC1通路抑制线粒体自噬减轻H9c2心肌细胞缺氧/复氧损伤 被引量:1
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作者 辛高杰 刘子馨 +7 位作者 陈原原 张会雨 郭帆 彭涵 李磊 韩笑 刘建勋 付建华 《中国中药杂志》 CAS CSCD 北大核心 2024年第5期1286-1294,共9页
该研究探讨了延胡索乙素(tetrahydropalmatine,THP)通过UNC-51样激酶1(UNC-51-like kinase 1,ULK1)/FUN14结构域蛋白1(FUN14 domain containing 1,FUNDC1)通路抑制线粒体自噬减轻H9c2心肌细胞缺氧/复氧(hypoxia/reoxygenation,H/R)损伤... 该研究探讨了延胡索乙素(tetrahydropalmatine,THP)通过UNC-51样激酶1(UNC-51-like kinase 1,ULK1)/FUN14结构域蛋白1(FUN14 domain containing 1,FUNDC1)通路抑制线粒体自噬减轻H9c2心肌细胞缺氧/复氧(hypoxia/reoxygenation,H/R)损伤的具体机制。该研究以H9c2心肌细胞为研究对象,构建心肌细胞H/R损伤模型。首先采用细胞活力检测试剂盒检测细胞活性、微量法检测乳酸脱氢酶(lactate dehydrogenase,LDH)漏出量评估THP对H9c2心肌细胞H/R损伤的保护作用。然后采用化学荧光法检测细胞内活性氧、线粒体内活性氧、线粒体膜电位、自噬小体情况,并用萤光素法检测细胞内三磷酸腺苷(adenosine 5′-triphosphate,ATP)含量评估THP对线粒体的保护作用。进一步用免疫印记检测微管相关蛋白1轻链3(microtubule-associated protein 1 light chain 3,LC3)膜型(LC3-Ⅱ)和包浆型(LC3-Ⅰ)的比值,活化的半胱氨酸天冬氨酸蛋白水解酶-3(cleaved caspase-3)表达水平、ULK1表达水平及其在Ser555位点的磷酸化程度,FUNDC1表达水平及其在Ser17位点的磷酸化程度探索其具体机制。结果显示,THP有效减轻H9c2细胞H/R后线粒体损伤,THP通过降低细胞内和线粒体内活性氧水平、升高线粒体膜电位保护线粒体,进而增加细胞ATP生成、升高细胞活性、降低细胞LDH漏出,减轻H9c2细胞H/R损伤;进一步研究发现THP能够降低自噬小体生成,降低LC3-Ⅱ/LC3-Ⅰ比值,降低凋亡相关蛋白cleaved caspase-3表达,表明THP通过抑制自噬减轻细胞凋亡;深入研究发现THP通过降低ULK1在Ser555位点和FUNDC1在Ser17位点的磷酸化程度,抑制线粒体自噬ULK1/FUNDC1通路激活,抑制线粒体自噬发生。ULK1激动剂BL-918的应用逆向验证了THP降低ULK1和FUNDC1磷酸化的作用。综上所述,THP通过ULK1/FUNDC1通路抑制线粒体自噬减轻H9c2心肌细胞H/R损伤。 展开更多
关键词 延胡索乙素 线粒体自噬 H9C2心肌细胞 缺氧/复氧损伤 ulk1/fundc1通路
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