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时间:2017-12-08
《rankl浓度对破骨细胞形成与活性的影响》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、骨科2014年第5卷第1期Orthopaedics,January2014,Vo1.5,No.1·5·RANKL浓度对破骨细胞形成与活性的影响李勇吴婷婷程豪谭鹏糜宝国张勇关邯峰熊伟廖晖陈安民李锋【摘要】目的探讨不同浓度RANKL对骨髓单核细胞向破骨细胞分化和活性的影响。方法50、100和150/~g/L三种RANKL浓度诱导骨髓单核细胞向破骨细胞分化。抗酒石酸酸性磷酸酶染色观察破骨细胞形态并计数,抗酒石酸酸性磷酸酶活性检测试剂盒检测上清中的抗酒石酸酸性磷酸酶活性,骨板吸收实验检测破骨细胞骨吸收活力。结果100g/L和150gg/LRANKL浓度组在破骨细胞数量、细胞大小、核数目,抗酒石酸酸性
2、磷酸酶活性和骨吸收率方面均明显高于5O/~g/L组(P3、tofOrthopedics,TongJiHospital,TongJiMedicalCollege,HuazhongUniversityoyScienceandTechnology,Wuhan430030,ChinaCorrespondingauthor:LIFeng,Email:lifengtjh@gmail.com[Abstract]ObjectiveTostudytheeffectsofRANKLontheformationandactivityofosteoclasts.MethodsRANKLatconcentrationsof5(/,100and150txg/Linducedo4、steoc1astogenesisfrombonemarrowmononuclearcells.Tartrateresistantacidphosphatasestainingwasusedtoobservetheformationandmorphologyofosteoclasts.Tartrateresistantacidphosphataseassaykitwasusedtoevaluatethetartrateresistantacidphosphataseac—tivityintheculturesupernatant.Boneabsorptionabilityofosteocla5、tswasevaluatedbyabsorptionassayofboneplate.ResultsThenumber,sizes,nucleusnumber,tartrateresistantacidphosphataseactivityandboneabsorp—tionabilityofosteoclastswereenhancedin1O0txg/Land15()t~g/LRANKLgroupsascomparedwith50p.g/LRANKIgroup(P<【).01).Therewasnosignificantdifferencebetween100u,g/Land150>g/6、IRANKLgroups.Conclusion1O0Bg/LRANKLcanenhanceformationandactivityofosteoclasts,andisanidealconcentrationforosteoclastculture.[Keywords]BonemarrowcellOsteoclasts;Receptoractivatorfornuclearfactor-kappaB:Ligands破骨细胞(osteoclast,OC)来源于单核巨噬细困难,限制了破骨细胞功能的深入研究。目前破骨胞系统,是由单核细胞融合后形成的一种多核巨细细胞分离培养的方法有:骨髓诱导培养法、7、脾干细胞胞l1]。它是人体生理性骨重建和病理性骨破坏过程诱导培养法、成熟破骨细胞分离培养法和外周血单中高度特异性的惟一具有骨质吸收功能的多核巨细核细胞诱导培养法等I_4]。骨髓单核细胞(bonemar—胞,在骨质疏松等疾病的研究中起关键作用_2]。rowmonocytessystem,BMMCs)通过用细胞核因因破骨细胞属于终末细胞,不能分化传代,分离纯化子JcB受体活化因子配基(receptoractiva
3、tofOrthopedics,TongJiHospital,TongJiMedicalCollege,HuazhongUniversityoyScienceandTechnology,Wuhan430030,ChinaCorrespondingauthor:LIFeng,Email:lifengtjh@gmail.com[Abstract]ObjectiveTostudytheeffectsofRANKLontheformationandactivityofosteoclasts.MethodsRANKLatconcentrationsof5(/,100and150txg/Linducedo
4、steoc1astogenesisfrombonemarrowmononuclearcells.Tartrateresistantacidphosphatasestainingwasusedtoobservetheformationandmorphologyofosteoclasts.Tartrateresistantacidphosphataseassaykitwasusedtoevaluatethetartrateresistantacidphosphataseac—tivityintheculturesupernatant.Boneabsorptionabilityofosteocla
5、tswasevaluatedbyabsorptionassayofboneplate.ResultsThenumber,sizes,nucleusnumber,tartrateresistantacidphosphataseactivityandboneabsorp—tionabilityofosteoclastswereenhancedin1O0txg/Land15()t~g/LRANKLgroupsascomparedwith50p.g/LRANKIgroup(P<【).01).Therewasnosignificantdifferencebetween100u,g/Land150>g/
6、IRANKLgroups.Conclusion1O0Bg/LRANKLcanenhanceformationandactivityofosteoclasts,andisanidealconcentrationforosteoclastculture.[Keywords]BonemarrowcellOsteoclasts;Receptoractivatorfornuclearfactor-kappaB:Ligands破骨细胞(osteoclast,OC)来源于单核巨噬细困难,限制了破骨细胞功能的深入研究。目前破骨胞系统,是由单核细胞融合后形成的一种多核巨细细胞分离培养的方法有:骨髓诱导培养法、
7、脾干细胞胞l1]。它是人体生理性骨重建和病理性骨破坏过程诱导培养法、成熟破骨细胞分离培养法和外周血单中高度特异性的惟一具有骨质吸收功能的多核巨细核细胞诱导培养法等I_4]。骨髓单核细胞(bonemar—胞,在骨质疏松等疾病的研究中起关键作用_2]。rowmonocytessystem,BMMCs)通过用细胞核因因破骨细胞属于终末细胞,不能分化传代,分离纯化子JcB受体活化因子配基(receptoractiva
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