Chronic enteropathy associated with the SLCO2A1 gene(CEAS)is a complex gastroenterological condition characterized by multiple ulcers in the small intestine with chronic bleeding and protein loss.This review explores ...Chronic enteropathy associated with the SLCO2A1 gene(CEAS)is a complex gastroenterological condition characterized by multiple ulcers in the small intestine with chronic bleeding and protein loss.This review explores the potential mechanisms underlying the pathogenesis of CEAS,focusing on the role of SLCO2A1-encoded prostaglandin transporter OATP2A1 and its impact on prostaglandin E2(PGE2)levels.Studies have suggested that elevated PGE2 levels contribute to mucosal damage,inflammation,and disruption of the intestinal barrier.The effects of PGE2 on macrophage activation and Maxi-Cl channel functionality,as well as its interaction with nonsteroidal anti-inflammatory drugs play crucial roles in the progression of CEAS.Understanding the balance between its protective and pro-inflammatory effects and the complex interactions within the gastrointestinal tract can shed light on potential therapeutic targets for CEAS and guide the development of novel,targeted therapies.展开更多
2024年8月23日,北京大学心血管研究所、北京大学血管稳态与重构全国重点实验室郑乐民教授团队在Signal Transduction and Targeted Therapy杂志上在线发表了题为“Annexin A1 binds PDZ and LIM domain 7 to inhibit adipogene-sis and ...2024年8月23日,北京大学心血管研究所、北京大学血管稳态与重构全国重点实验室郑乐民教授团队在Signal Transduction and Targeted Therapy杂志上在线发表了题为“Annexin A1 binds PDZ and LIM domain 7 to inhibit adipogene-sis and prevent obesity”的研究论文。该研究报道了膜联蛋白A1(annexin A1,ANXA1)通过与MYC结合蛋白2(MYCBP2)竞争性结合PDZ和LIM结构域7(PDLIM7)进而影响SMAD4泛素化蛋白酶体降解和脂肪生成进程的新机制,揭示了该通路在抗肥胖功能的潜在治疗策略,并提出了采用ANXA1模拟肽进行抗肥胖治疗的可能性。展开更多
基金Supported by the National High-Level Hospital Clinical Research Fund,No.2022-PUMCH-A-020the Undergraduate Teaching Reform and Innovation Project,No.2022zlgc0108.
文摘Chronic enteropathy associated with the SLCO2A1 gene(CEAS)is a complex gastroenterological condition characterized by multiple ulcers in the small intestine with chronic bleeding and protein loss.This review explores the potential mechanisms underlying the pathogenesis of CEAS,focusing on the role of SLCO2A1-encoded prostaglandin transporter OATP2A1 and its impact on prostaglandin E2(PGE2)levels.Studies have suggested that elevated PGE2 levels contribute to mucosal damage,inflammation,and disruption of the intestinal barrier.The effects of PGE2 on macrophage activation and Maxi-Cl channel functionality,as well as its interaction with nonsteroidal anti-inflammatory drugs play crucial roles in the progression of CEAS.Understanding the balance between its protective and pro-inflammatory effects and the complex interactions within the gastrointestinal tract can shed light on potential therapeutic targets for CEAS and guide the development of novel,targeted therapies.
文摘2024年8月23日,北京大学心血管研究所、北京大学血管稳态与重构全国重点实验室郑乐民教授团队在Signal Transduction and Targeted Therapy杂志上在线发表了题为“Annexin A1 binds PDZ and LIM domain 7 to inhibit adipogene-sis and prevent obesity”的研究论文。该研究报道了膜联蛋白A1(annexin A1,ANXA1)通过与MYC结合蛋白2(MYCBP2)竞争性结合PDZ和LIM结构域7(PDLIM7)进而影响SMAD4泛素化蛋白酶体降解和脂肪生成进程的新机制,揭示了该通路在抗肥胖功能的潜在治疗策略,并提出了采用ANXA1模拟肽进行抗肥胖治疗的可能性。