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A renal YY1-KIM1-DR5 axis regulates the progression of acute kidney injury

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机构: [1]School of Pharmacy, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, HuazhongUniversity of Science and Technology, Wuhan 430030, China [2]Hubei Key Laboratory of Cell Homeostasis, Frontier Science Center for Immunology andMetabolism, College of Life Sciences, Wuhan University, Wuhan 430072, China [3]Department of Pharmacy, The Third Hospital of Wuhan, Tongren Hospital ofWuhan University, Wuhan 430070, China [4]Foundational Sciences, Central Michigan University College of Medicine, Mt.Pleasant, MI 48859, USA [5]TongjiRongCheng Biomedical Center, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
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Acute kidney injury (AKI) exhibits high morbidity and mortality. Kidney injury molecule-1 (KIM1) is dramatically upregulated in renal tubules upon injury, and acts as a biomarker for various renal diseases. However, the exact role and underlying mechanism of KIM1 in the progression of AKI remain elusive. Herein, we report that renal tubular specific knockout of Kim1 attenuates cisplatin- or ischemia/reperfusion-induced AKI in male mice. Mechanistically, transcription factor Yin Yang 1 (YY1), which is downregulated upon AKI, binds to the promoter of KIM1 and represses its expression. Injury-induced KIM1 binds to the ECD domain of death receptor 5 (DR5), which activates DR5 and the following caspase cascade by promoting its multimerization, thus induces renal cell apoptosis and exacerbates AKI. Blocking the KIM1-DR5 interaction with rationally designed peptides exhibit reno-protective effects against AKI. Here, we reveal a YY1-KIM1-DR5 axis in the progression of AKI, which warrants future exploration as therapeutic targets.© 2023. The Author(s).

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大类 | 1 区 综合性期刊
小类 | 1 区 综合性期刊
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大类 | 1 区 综合性期刊
小类 | 1 区 综合性期刊
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Q1 MULTIDISCIPLINARY SCIENCES
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Q1 MULTIDISCIPLINARY SCIENCES

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第一作者机构: [1]School of Pharmacy, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, HuazhongUniversity of Science and Technology, Wuhan 430030, China
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通讯机构: [1]School of Pharmacy, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, HuazhongUniversity of Science and Technology, Wuhan 430030, China [5]TongjiRongCheng Biomedical Center, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
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