第42卷第12期2022年12月Vol.42NO.12DEC.2022赣南医学院学报JOURNALOFGANNANMEDICALUNIVERSITY投稿网址:http://gnyxyxb.gmu.cn组蛋白修饰在成骨细胞中的调控作用邝小华1,赖仲宏2,刘午阳2(1.寻乌县人民医院骨科;2.赣南医学院第一附属医院骨科,江西赣州341000)摘要:成骨细胞由骨膜和骨髓中的间充质干细胞分化而来,对骨的形成和重建过程至关重要,它的功能失调与多种骨骼疾病相关,如骨质疏松症、骨折愈合延迟、脆骨症和骨石化症等。成骨细胞的分化受多种因素调控,其中组蛋白修饰的作用不容忽视。组蛋白修饰是在修饰酶的催化下,组蛋白尾部的甲基、乙酰基、磷酸基团、泛素和糖基等的加成,重塑染色质的结构,暴露或隐藏基因启动子,调节基因转录。挖掘成骨细胞分化的细胞和分子机制对于理解和调控骨代谢的发展有重要意义,组蛋白修饰重编程可能成为治疗骨骼疾病的潜在手段,但在提高安全有效性和选择性上仍然存在巨大的挑战。关键词:成骨细胞;组蛋白甲基化;组蛋白乙酰化中图分类号:R34文献标志码:A文章编号:1001-5779(2022)12-1330-05DOI:10.3969/j.issn.1001-5779.2022.12.020RegulationofhistonemodificationsinosteoblastsKUANGXiao-hua1,LAIZhong-hong2,LIUWu-yang2(1.DepartmentofOrthopedics,People'sHospitalofXunwuCounty;2.DepartmentofOrthopedics,TheFirstAffiliatedHospitalofGannanMedicalUniversity,Ganzhou,Jiangxi341000)Abstract:Osteoblastsdifferentiatefrommesenchymalstemcellsintheperiosteumandbonemarrow.Theyareessentialfortheprocessofboneformationandreconstruction.Itsdysfunctionisassociatedwithavarietyofbonediseases,suchasosteoporosis,delayedfracturehealing,osteopathyandosteopetrosis.Thedifferentiationofosteoblastsisregulatedbyavarietyoffactors,amongwhichtheroleofhistonemodificationcannotbeignored.Underthecatalysisofthemodifiedenzymes,thetailofthehistoneundergoesmethylation,acetylation,phosphorylation,ubiquitinationandglycosylation,resultinginstructuralchangesinchromatinandexposingorhidinggenepromoters,regulatinggenetranscription.Exploringthecellularandmolecularmechanismsofosteoblastdifferentiationisimportantforunderstandingandregulatingthedevelopmentofbonemetabolism.Histonemodificationreprogrammingmaybecomeapotenti...