吉林省东北师范大学生命科学学院,长白山自然药物化学与生物学重点实验室,中国科学院生物物理研究所;生物大分子国家重点实验室,中国科学院生物物理研究所;生物大分子国家重点实验室,中国科学院生物物理研究所;生物大分子国家重点实验室,中国科学院生物物理研究所;生物大分子国家重点实验室,吉林省东北师范大学生命科学学院,长白山自然药物化学与生物学重点实验室
国家自然科学基金
Jilin Province Key Laboratory on Chemistry and Biology of Changbai Mountain Natural Drugs, School of Life Sciences, Northeast Normal University,National Laboratory of Biomacramolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences,National Laboratory of Biomacramolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing,National Laboratory of Biomacramolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing,National Laboratory of Biomacramolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences,Jilin Province Key Laboratory on Chemistry and Biology of Changbai Mountain Natural Drugs, School of Life Sciences, Northeast Normal University
The National Natural Science Foundation of China
2型糖尿病发病机制的特征之一是脂毒性诱导胰腺β细胞团减少。 为了研究游离脂肪酸引起β细胞死亡的机制,我们研究了β细胞系INS1中棕榈酸酯诱导的不同细胞死亡途径的作用。运用实时荧光成像技术我们发现除了以前报道的细胞凋亡之外,细胞焦亡作为一种新的途径,其部分促成游离脂肪酸诱导的胰腺β细胞死亡。 我们提供证据表明,胰腺β细胞焦亡的机制可能肯能受DFNA5调控。本文的发现将为糖尿病的治疗提供一个新的途径。
One of the feature of the pathogenesis of type 2 diabetes is lipotoxicity-induced reduction in pancreatic β-cell mass. To study the mechanism by which free fatty acids cause β-cell death, we studied the contribution of different cell death pathways induced by palmitate in the β-cell line INS1. In addition to previously reported apoptosis, we propose pyroptosis as a novel pathway that partially contributes to the pancreatic β-cell death induced by free fatty acids using the real-time lapse image. We provide evidence that the mechanism of pyroptosis could involve DFNA5.
李总红,薛苗苗,刘弘洋,侯俊杰,徐涛,周义发.游离脂肪酸诱导胰岛β细胞焦亡[J].生物化学与生物物理进展,2018,45(3):375-378
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