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时间:2019-06-01
《大鼠和家兔生后发育各阶段比目鱼肌纤维的比较(英文)》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、维普资讯http://www.cqvip.com动物学研究2004,Dec.25(6):543—550CN53—-1040/QISSN0254—-5853ZoologicalResearchComparisonofSoleusMuscleFibersinRatsandRabbitsatDiferentStagesofPostnatalDevelopmentZHUDao—li,WANGKang—le,CHENPei—lin(DepartmentoflifeScienceandTechnology,NantongUniv
2、ersity,Nantong,Jiangsu226007,China)Abstract:Inthepresentstudy,theefectsofpostnataldevelopmentonthenumberanddistributionofskeletalmus—clefibersofdiferenttypesinhindlegofratandrabbitwerestudied.Thesoleusmusclesofratsaged2days,2,4,6,8,and10weeks(bodyweight10,32,95
3、,190,280,and320g),andtabbitsaged2days,2,4,8,12,16,20,and24weeks(bodyweight100,220,400,750,1200,1600,2100,and2500g)werestainedwithsuccinicdehydrogenase.Withanimageanalysissystem.theX—Ycoordinatesoffiberswereusedtoanalyzethegrowth—relatedchanges.Theresultsofprese
4、ntstudyshowedthatthreetypesoffiberswerefoundinthesoleusmusclesofratandrabbit.i.e.,typeI(slowoxidative),ⅡX(fastoxidative),andⅡA(fastoxidativeglycolytic).ThetypeIfiberswerepre—sentthroughoutthemusclethathadauniformdistributionandtendedtoincreaseinnumberwithaging.
5、TvpeⅡXfiberswerescatteredthroughoutthemuscleanddecreasedmarkedlyinnumberwithaging.TypeⅡAberswerelocatedatthecen~alanddeepregions,andshowedalittleornochangeinnumberanddistributionwithang.Whilebeofage,typeⅡAandⅡXfibersbecamerestrictedtothesuperficialregion.Notype
6、ⅡBfibersweredeteeted.TvpeⅡAfibershadthelargestdiameter,typeIintermediateandtypeⅡXthesmallest.Mcancross—sectionalareaofeachtypefibersofrabbitswaslarger山anthatofrats.Thepresentresultsindicatethatthenumberanddistributionofmusclefibersofdiffer—enttypesinhindlimbofr
7、atandrabbitchangewiththeprocessofpostnatalgrowth.Keywords:Rat;Rabbit;Musclefibertype;Postnataldevelopment大鼠和家兔生后发育各阶段比目鱼肌纤维的比较朱道立,王康乐,陈佩林(南通大学生命科学与技术系,江苏南通226007)摘要:为研究大鼠与家兔骨骼肌各类型肌纤维的数量和二维分布以及生后发育对其影响,取生后2d和2、4、6、8、10周龄(体重10g和32、95、190、280、320g)大鼠及生后2d和2、4、8、12
8、、16、20、24周龄(体重100g和220、4O0、750、1200、1600、2100、2500g)家兔的比目鱼肌做琥珀酸脱氢酶染色。实验结果表明,大鼠和家兔比目鱼肌纤维被分成I型(s0),Ⅱx型(F0)和ⅡA型(FOG)3型。使用图像分析系统分析每型肌纤维在生后发育各阶段的相关变化,大鼠和家兔比目鱼肌中:I型纤维分布于整块肌肉,其数量随着
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