[1]郭军,周荣兴,李晓东,等.实验性骨骺损伤骺板软骨IGF-域表达的动态变化[J].内蒙古医科大学学报,2013,35(02):126-131.
 GUO Jun,ZHOU Rong-xing,LI Xiao-dong.THEDYNAMICCHANGESOFEXPRESSIONOF EXPERIMENTALEPIPHYSISINJURYOF EPIPHYSEALPLATEOFIGF-II[J].Acta Academiae Medicinae Neimongol,2013,35(02):126-131.
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实验性骨骺损伤骺板软骨IGF-域表达的动态变化()
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《内蒙古医科大学学报》[ISSN:1004-2113/CN:15-1129/R]

卷:
第35卷
期数:
2013年02期
页码:
126-131
栏目:
论著
出版日期:
2013-02-28

文章信息/Info

Title:
THEDYNAMICCHANGESOFEXPRESSIONOF EXPERIMENTALEPIPHYSISINJURYOF EPIPHYSEALPLATEOFIGF-II
作者:
郭军周荣兴李晓东杨铁翼吕慧成冯晓东马敏
内蒙古医科大学第二附属医院创伤科,内蒙古呼和浩特010030
Author(s):
GUO JunZHOU Rong-xingLI Xiao-dong
The SecondAffiliatedHospital,Inner MongoliaMedical University,Hohhot 010030China
关键词:
骨骺损伤软骨细胞胰岛素样生长因子-域
Keywords:
osteoepiphsis injurecartilagecells IGF-I
分类号:
R392
摘要:
目的:本实验通过对骨骺损伤后骺板软骨局部胰岛素样生长因子-域(Insulin-like GrowthFactor-域,IGF-域)表达情况进行观测,探讨骨骺损伤后骺板软骨的生长发育及IGF-域局部动态表达变化,深化对骨骺 损伤病理变化的认识,并为指导临床诊断和治疗提供新思路。 方法:采用雄性幼年健康中国大白兔40只,60d 龄,平均体重(1.000依0.200)Kg,左后肢胫骨近端骨骺施行手术制成Salter-Harris玉型骨骺损伤模型做为实验 侧,右后肢做为对照侧,随机于术后1W,2W,4W,6W,10W时分5批(组),每批(组)8只气体栓塞法处死,切 取对照侧和实验侧骺板非穿针区组织标本并固定后行局部IGF-域动态表达情况并进行组间对比。 结果:局部 IGF-域动态表达情况显示:实验组骺板软骨的增殖层和肥大层在损伤后1~10周均呈较强的阳性表达,其中2 ~6周时为表达高峰,而对照组始终为散在的弱阳性表达,两组间光密度值的差异在1~6周时P<0.01,有统计 学意义。 结论:IGF-域在骺板软骨的修复过程中可能发挥着重要的调控作用。
Abstract:
Objective:This studywas designedtoobserveregional(Insulin-likeGrowthFactor-II, IGF-II)expressingafter osteoepiphsis injure,anddiscussedthegrowthof epiphyseal plateandregional IGF-II dynamic expressing changes after osteoepiphsis injure. ,had advanced recognization of osteoepiphsis injurepathological changes,andprovidedanewthought for guidanceof clinical diagnose andtherapy. Methods:We choosed50 maleness juvenile healthy China albino rabbit,60 days old, meanweight of(1. 000依0. 200Kg). We hadoperations onthe shine bones proximal osteoepiphysis of left posterior legtomakeSalter-Harris I typeepiphseal injureas experimental group,right posterior leg as comparinggroup,dividedthe40rabbits intofivegroups,8agroup,executedthemwithembolization 1w、2w、4w、6w、10wlater,incisedtissuesampleof comparinggroupandexperimental group,IGF-IIexpression state and generate group comparison. Results:Regional IGF-II dynamic expression conditionreveal that:theepiphyseal plateandhyperplasyplatecartilagecell of experimental groupwere bothinhyperplasyvigorouslyconditionafter injuredfor 1~10weeks,andreachedthe peakin2~6 weeks,whilethe comparisongroups were still inweakly positive expression. The difference of optical densities betweenthetwogroups hadstatistical significance,P<0. 01. Conclusion:IGF-II coundplaya important regulationcontributionintherepairingof epiphyseal platecartilage.

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更新日期/Last Update: 2013-04-20