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FGF7 enhances the expression of ACE2 in human islet organoids aggravating SARS-CoV-2 infection

Signal Transduct Target Ther. 2024-04; 
Hao Meng, Zhiying Liao, Yanting Ji, Dong Wang, Yang Han, Chaolin Huang, Xujuan Hu, Jingyi Chen, Hengrui Zhang, Zonghong Li, Changliang Wang, Hui Sun, Jiaqi Sun, Lihua Chen, Jiaxiang Yin, Jincun Zhao, Tao Xu, Huisheng Liu
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Proteins, Expression, Isolation and Analysis … Equal amounts (40 μg) of total protein were loaded onto 4–20% precast polyacrylamide gels (GenScript, Cat#M42015C). The antibodies and dilutions used in the study are summarized … Get A Quote

摘要

The angiotensin-converting enzyme 2 (ACE2) is a primary cell surface viral binding receptor for SARS-CoV-2, so finding new regulatory molecules to modulate ACE2 expression levels is a promising strategy against COVID-19. In the current study, we utilized islet organoids derived from human embryonic stem cells (hESCs), animal models and COVID-19 patients to discover that fibroblast growth factor 7 (FGF7) enhances ACE2 expression within the islets, facilitating SARS-CoV-2 infection and resulting in impaired insulin secretion. Using hESC-derived islet organoids, we demonstrated that FGF7 interacts with FGF receptor 2 (FGFR2) and FGFR1 to upregulate ACE2 expression predominantly in β cells. This upregulation incre... More

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