第35卷第6期2023年6月生命科学ChineseBulletinofLifeSciencesVol.35,No.6Jun.,2023文章编号:1004-0374(2023)06-0790-09DOI:10.13376/j.cbls/2023089收稿日期:2022-11-13;修回日期:2023-02-01基金项目:国家自然科学基金项目(U22A20506,32072720);宁夏回族自治区重点研发项目(2023BCF-01006,2021BEF01002,2021NXZD1);自治区科技创新领军人才培养项目(2020GKLRLX02)*通信作者:E-mail:mayun_666@126.comCircRNA在动物脂质代谢中的调控作用户春丽,马燕芬,马云*(宁夏大学动物科技学院,宁夏回族自治区反刍动物分子细胞育种重点实验室,银川750021)摘要:脂质代谢具有复杂的生理过程,受激素、转录因子、酶和非编码RNA等多种因素影响,其中遗传是主要因素之一。环状RNA(circularRNA,circRNA)是存在于真核生物中的共价闭合的环形非编码RNA,具有组织特异性、保守性和稳定性。近年来,circRNA在脂肪生成和发育中的分子调控机制被广泛研究。本文概述了脂肪的分类、功能及其生成的调控机制,并重点综述circRNA对脂质代谢的调控,尤其是circOgdh和circHIPK3等标志性circRNA在动物脂肪沉积调控中的作用,以期为后续研究提供参考。关键词:脂肪沉积;circRNA;脂质代谢;调控机制中图分类号:Q493;Q71文献标志码:ARegulatoryeffectsofcircRNAonlipidmetabolisminanimalsHUChun-Li,MAYan-Fen,MAYun*(KeyLaboratoryofMolecularCellBreedingofRuminantsinNingxiaHuiAutonomousRegion,CollegeofAnimalScienceandTechnology,NingxiaUniversity,Yinchuan750021,China)Abstract:Lipidmetabolismisacomplexphysiologicalprocess,whichisaffectedbyavarietyoffactors,suchashormones,transcriptionfactors,enzymesandnon-codingRNAs,andinheritanceisoneofthemainfactors.CircRNAs(circularRNAs)arecovalentlyclosedcircularnon-codingRNAsexistingineukaryotes,whicharetissuespecific,conservativeandstable.Inrecentyears,theregulatoryrolesofcircRNAsinlipogenesisanddevelopmentarewidelystudied.Inthispaper,theclassification,functionoffatandtheregulatorymechanismofitsproductionweresummarized,focusingontheregulationoflipidmetabolismbycircRNAs,especiallycircOgdhandcircHIPK3intheregulationofanimaladiposedeposition,inordertoprovidereferenceforthesubsequentresearch.Keywords:fatdeposition;circRNA;lipidmetabolism;regulationme...