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Sci Rep:可生物降解的镁 - 锶合金上的唑来膦酸调节成骨和破骨细胞生成

2019-02-01 MedSci MedSci原创

抑制破骨细胞和破骨细胞前体以减少骨吸收是治疗破骨细胞相关疾病(例如假体周围骨溶解)的重要策略。本研究旨在探究唑来膦酸(ZA)作为一种高效和含氮的双膦酸盐在促进骨生成和抑制基于镁(Mg)的植入物的破骨细胞生成特性中的作用。 ZA与沉积在镁-锶(Mg-Sr)合金上的磷酸钙(CaP)化学结合,分别通过SEM,XRD光谱和高效液相色谱(HPLC)表征形态学观察,相组成和药物释放。体外性能表明,ZA-CaP

抑制破骨细胞和破骨细胞前体以减少骨吸收是治疗破骨细胞相关疾病(例如假体周围骨溶解)的重要策略。本研究旨在探究唑来膦酸(ZA)作为一种高效和含氮的双膦酸盐在促进骨生成和抑制基于镁(Mg)的植入物的破骨细胞生成特性中的作用。

ZA与沉积在镁-锶(Mg-Sr)合金上的磷酸钙(CaP)化学结合,分别通过SEM,XRD光谱和高效液相色谱(HPLC)表征形态学观察,相组成和药物释放。体外性能表明,ZA-CaP双层包覆Mg-Sr合金可以促进前成骨细胞的增殖和成骨分化以及矿化,但诱导细胞凋亡,抑制破骨细胞分化。通过定量实时PCR(qRT-PCR)和Western Blotting进一步研究了可能的分子机制,结果表明ZA-CaP双层涂层Mg-Sr合金可通过雌激素受体α(ERα)和NF-κB信号通路调节成骨和破骨细胞生成。此外,ZA-CaP双层涂层Mg-Sr合金可通过OPG/RANKL/RANK信号通路调节成骨细胞-破骨细胞的串扰,增加共培养系统中OPG:RANKL的比例,促进骨重建的平衡。

综上所述,该研究结果表明,由于破骨细胞的过度分化和成熟,ZA预处理的Mg-Sr合金可用于骨缺损修复和假体周围骨溶解的潜在临床应用。

原始出处:

Li M, Wan P, et al., Regulation of osteogenesis and osteoclastogenesis by zoledronic acid loaded on biodegradable magnesium-strontium alloy. Sci Rep. 2019 Jan 30;9(1):933. doi: 10.1038/s41598-018-37091-8.

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    2019-02-03 zhaojie88
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    2019-02-03 villahu
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    2019-02-03 楚秀娟
  6. [GetPortalCommentsPageByObjectIdResponse(id=1309999, encodeId=25711309999de, content=<a href='/topic/show?id=2830e349460' target=_blank style='color:#2F92EE;'>#破骨细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=69, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73494, encryptionId=2830e349460, topicName=破骨细胞)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5e30378, createdName=caobinglei8079, createdTime=Sun Feb 03 13:28:00 CST 2019, time=2019-02-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1351991, encodeId=2cd7135199132, content=<a href='/topic/show?id=e95954093cd' target=_blank style='color:#2F92EE;'>#成骨#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=43, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=54093, encryptionId=e95954093cd, topicName=成骨)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=zhaojie88, createdTime=Sun Feb 03 13:28:00 CST 2019, time=2019-02-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1379689, encodeId=6fa113e968953, content=<a href='/topic/show?id=6d8340012ff' target=_blank style='color:#2F92EE;'>#唑来膦酸#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=40012, encryptionId=6d8340012ff, topicName=唑来膦酸)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3307462, createdName=风铃821, createdTime=Sun Feb 03 13:28:00 CST 2019, time=2019-02-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1460756, encodeId=2d081460e569e, content=<a href='/topic/show?id=668b96e72d9' target=_blank style='color:#2F92EE;'>#锶#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=83, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=96772, encryptionId=668b96e72d9, topicName=锶)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=a21b6366000, createdName=villahu, createdTime=Sun Feb 03 13:28:00 CST 2019, time=2019-02-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1465411, encodeId=d9eb146541170, content=<a href='/topic/show?id=662a388823e' target=_blank style='color:#2F92EE;'>#合金#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=38882, encryptionId=662a388823e, topicName=合金)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=81df6719716, createdName=楚秀娟, createdTime=Sun Feb 03 13:28:00 CST 2019, time=2019-02-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1495129, encodeId=0cd3149512907, content=<a href='/topic/show?id=3c0b10182102' target=_blank style='color:#2F92EE;'>#骨细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101821, encryptionId=3c0b10182102, topicName=骨细胞)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=723c9147696, createdName=jj000004, createdTime=Sun Feb 03 13:28:00 CST 2019, time=2019-02-03, status=1, ipAttribution=)]
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