低强度激光照射对海藻酸钠/明胶/hASC 3D生物打印构建体的细胞活力的影响

2018-11-05 MedSci MedSci原创

本研究旨在探索低水平激光照射(LLLI)对三维(3D)结构的成骨能力的影响,通过3D生物印刷构建使用人脂肪干细胞(hASCs)作为种子细胞。 以hASCs为种子细胞,制备海藻酸钠/明胶/ hASCs三维生物印刷构建体,分为PM(增殖培养基),PM + LLLI,OM(成骨培养基)和OM + LLLI四组。LLLI的剂量为4J/cm2。免疫荧光显微镜用于观察细胞的活力,并分析成骨相关蛋白Run

本研究旨在探索低水平激光照射(LLLI)对三维(3D)结构的成骨能力的影响,通过3D生物印刷构建使用人脂肪干细胞(hASCs)作为种子细胞。

以hASCs为种子细胞,制备海藻酸钠/明胶/ hASCs三维生物印刷构建体,分为PM(增殖培养基),PM + LLLI,OM(成骨培养基)和OM + LLLI四组。LLLI的剂量为4J/cm2。免疫荧光显微镜用于观察细胞的活力,并分析成骨相关蛋白Runt相关转录因子2(Runx2)和骨钙蛋白(OCN)的表达。

结果,显微镜检查通过打印获得的3D构建体。这些3D结构的尺寸为10mm×10mm×1.5mm。打印明胶模具的壁厚约为1mm,孔是圆形的,直径约为700μm。海藻酸钠/明胶/ hASCs 3D生物打印构建体的细胞存活率高,四组间差异不显著。在第7天,OCN从高到低的表达为OM + LLLI,PM + LLLI,OM和PM组。两组间差异有统计学意义(P <0.01),但PM + LLLI组与OM组无明显差异。在第14天,每组中OCN的表达高于第7天,并且组OM + LLLI和OM之间没有明显差异。 Runx2在OM + LLLI组中的表达率超过90%,明显高于OM组(P <0.01)。但Runx2在PM + LLLI组和OM + LLLI组中的表达显著低于未照射组。成骨相关蛋白Runx2和OCN的表达在OM组中高于PM组。此外,照射组显著高于未照射组。

总之,该研究结果表明,LLLI不影响海藻酸钠/明胶/ hASC 3D生物打印构建体的细胞活力,并且可以促进hASCs的成骨分化。

原始出处:

Sui HX, Lv PJ, Wang Y, Feng YC. Effects of low level laser irradiation on the osteogenic capacity of sodium alginate/gelatin/human adipose-derived stem cells 3D bio-printing construct. Beijing Da Xue Xue Bao Yi Xue Ban. 2018 Oct 18;50(5):868-875.

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    2019-09-28 kksonne
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    2018-12-02 quxin068

    #ASC#

    0

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    2019-01-01 wwzzly
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    2018-12-09 HNYYM
  5. [GetPortalCommentsPageByObjectIdResponse(id=2035080, encodeId=06b720350807a, content=<a href='/topic/show?id=b6aa656e5c6' target=_blank style='color:#2F92EE;'>#海藻酸钠#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=65675, encryptionId=b6aa656e5c6, topicName=海藻酸钠)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=39a0295, createdName=kksonne, createdTime=Sat Sep 28 15:17:00 CST 2019, time=2019-09-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1938884, encodeId=dfb319388848c, content=<a href='/topic/show?id=1c292818fd' target=_blank style='color:#2F92EE;'>#ASC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2818, encryptionId=1c292818fd, topicName=ASC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=74808, createdName=quxin068, createdTime=Sun Dec 02 04:17:00 CST 2018, time=2018-12-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1981727, encodeId=e2521981e27dd, content=<a href='/topic/show?id=5543124679' target=_blank style='color:#2F92EE;'>#3D生物打印#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=96, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1246, encryptionId=5543124679, topicName=3D生物打印)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b96f328, createdName=wwzzly, createdTime=Tue Jan 01 01:17:00 CST 2019, time=2019-01-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1971879, encodeId=583b19e187936, content=<a href='/topic/show?id=dc52e794806' target=_blank style='color:#2F92EE;'>#细胞活力#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77948, encryptionId=dc52e794806, topicName=细胞活力)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5494471, createdName=HNYYM, createdTime=Sun Dec 09 01:17:00 CST 2018, time=2018-12-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1279730, encodeId=c95912e973009, content=<a href='/topic/show?id=265c66e50ea' target=_blank style='color:#2F92EE;'>#激光#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=66750, encryptionId=265c66e50ea, topicName=激光)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4fd6156, createdName=oliver169, createdTime=Wed Nov 07 12:17:00 CST 2018, time=2018-11-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1336082, encodeId=1d2613360820b, content=<a href='/topic/show?id=792612047e' target=_blank style='color:#2F92EE;'>#3D#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=81, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1204, encryptionId=792612047e, topicName=3D)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/pSGl6CJeZ2PzWxdhCtrvv4U9Q281RV8e0AKmlB5ib93DibbiaRyOzmkCdz5F04cbfX5RGOpG4dOXvuQW1fumibVeBg/132, createdBy=fc342500110, createdName=ms9833124466084992, createdTime=Wed Nov 07 12:17:00 CST 2018, time=2018-11-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1508957, encodeId=519e150895eda, content=<a href='/topic/show?id=0bc628824a4' target=_blank style='color:#2F92EE;'>#光照#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=97, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=28824, encryptionId=0bc628824a4, topicName=光照)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=341f10021070, createdName=TZF0807, createdTime=Wed Nov 07 12:17:00 CST 2018, time=2018-11-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=351657, encodeId=d3d335165e7c, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=97, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=82311653708, createdName=医者仁心5538, createdTime=Mon Nov 05 21:26:04 CST 2018, time=2018-11-05, status=1, ipAttribution=)]
    2018-11-07 oliver169

    #激光#

    0

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    2018-11-07 ms9833124466084992

    #3D#

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=2035080, encodeId=06b720350807a, content=<a href='/topic/show?id=b6aa656e5c6' target=_blank style='color:#2F92EE;'>#海藻酸钠#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=65675, encryptionId=b6aa656e5c6, topicName=海藻酸钠)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=39a0295, createdName=kksonne, createdTime=Sat Sep 28 15:17:00 CST 2019, time=2019-09-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1938884, encodeId=dfb319388848c, content=<a href='/topic/show?id=1c292818fd' target=_blank style='color:#2F92EE;'>#ASC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2818, encryptionId=1c292818fd, topicName=ASC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=74808, createdName=quxin068, createdTime=Sun Dec 02 04:17:00 CST 2018, time=2018-12-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1981727, encodeId=e2521981e27dd, content=<a href='/topic/show?id=5543124679' target=_blank style='color:#2F92EE;'>#3D生物打印#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=96, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1246, encryptionId=5543124679, topicName=3D生物打印)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b96f328, createdName=wwzzly, createdTime=Tue Jan 01 01:17:00 CST 2019, time=2019-01-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1971879, encodeId=583b19e187936, content=<a href='/topic/show?id=dc52e794806' target=_blank style='color:#2F92EE;'>#细胞活力#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77948, encryptionId=dc52e794806, topicName=细胞活力)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5494471, createdName=HNYYM, createdTime=Sun Dec 09 01:17:00 CST 2018, time=2018-12-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1279730, encodeId=c95912e973009, content=<a href='/topic/show?id=265c66e50ea' target=_blank style='color:#2F92EE;'>#激光#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=66750, encryptionId=265c66e50ea, topicName=激光)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4fd6156, createdName=oliver169, createdTime=Wed Nov 07 12:17:00 CST 2018, time=2018-11-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1336082, encodeId=1d2613360820b, content=<a href='/topic/show?id=792612047e' target=_blank style='color:#2F92EE;'>#3D#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=81, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1204, encryptionId=792612047e, topicName=3D)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/pSGl6CJeZ2PzWxdhCtrvv4U9Q281RV8e0AKmlB5ib93DibbiaRyOzmkCdz5F04cbfX5RGOpG4dOXvuQW1fumibVeBg/132, createdBy=fc342500110, createdName=ms9833124466084992, createdTime=Wed Nov 07 12:17:00 CST 2018, time=2018-11-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1508957, encodeId=519e150895eda, content=<a href='/topic/show?id=0bc628824a4' target=_blank style='color:#2F92EE;'>#光照#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=97, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=28824, encryptionId=0bc628824a4, topicName=光照)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=341f10021070, createdName=TZF0807, createdTime=Wed Nov 07 12:17:00 CST 2018, time=2018-11-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=351657, encodeId=d3d335165e7c, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=97, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=82311653708, createdName=医者仁心5538, createdTime=Mon Nov 05 21:26:04 CST 2018, time=2018-11-05, status=1, ipAttribution=)]
    2018-11-07 TZF0807

    #光照#

    0

  8. [GetPortalCommentsPageByObjectIdResponse(id=2035080, encodeId=06b720350807a, content=<a href='/topic/show?id=b6aa656e5c6' target=_blank style='color:#2F92EE;'>#海藻酸钠#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=65675, encryptionId=b6aa656e5c6, topicName=海藻酸钠)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=39a0295, createdName=kksonne, createdTime=Sat Sep 28 15:17:00 CST 2019, time=2019-09-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1938884, encodeId=dfb319388848c, content=<a href='/topic/show?id=1c292818fd' target=_blank style='color:#2F92EE;'>#ASC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2818, encryptionId=1c292818fd, topicName=ASC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=74808, createdName=quxin068, createdTime=Sun Dec 02 04:17:00 CST 2018, time=2018-12-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1981727, encodeId=e2521981e27dd, content=<a href='/topic/show?id=5543124679' target=_blank style='color:#2F92EE;'>#3D生物打印#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=96, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1246, encryptionId=5543124679, topicName=3D生物打印)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b96f328, createdName=wwzzly, createdTime=Tue Jan 01 01:17:00 CST 2019, time=2019-01-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1971879, encodeId=583b19e187936, content=<a href='/topic/show?id=dc52e794806' target=_blank style='color:#2F92EE;'>#细胞活力#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77948, encryptionId=dc52e794806, topicName=细胞活力)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5494471, createdName=HNYYM, createdTime=Sun Dec 09 01:17:00 CST 2018, time=2018-12-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1279730, encodeId=c95912e973009, content=<a href='/topic/show?id=265c66e50ea' target=_blank style='color:#2F92EE;'>#激光#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=66750, encryptionId=265c66e50ea, topicName=激光)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4fd6156, createdName=oliver169, createdTime=Wed Nov 07 12:17:00 CST 2018, time=2018-11-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1336082, encodeId=1d2613360820b, content=<a href='/topic/show?id=792612047e' target=_blank style='color:#2F92EE;'>#3D#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=81, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1204, encryptionId=792612047e, topicName=3D)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/pSGl6CJeZ2PzWxdhCtrvv4U9Q281RV8e0AKmlB5ib93DibbiaRyOzmkCdz5F04cbfX5RGOpG4dOXvuQW1fumibVeBg/132, createdBy=fc342500110, createdName=ms9833124466084992, createdTime=Wed Nov 07 12:17:00 CST 2018, time=2018-11-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1508957, encodeId=519e150895eda, content=<a href='/topic/show?id=0bc628824a4' target=_blank style='color:#2F92EE;'>#光照#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=97, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=28824, encryptionId=0bc628824a4, topicName=光照)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=341f10021070, createdName=TZF0807, createdTime=Wed Nov 07 12:17:00 CST 2018, time=2018-11-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=351657, encodeId=d3d335165e7c, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=97, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=82311653708, createdName=医者仁心5538, createdTime=Mon Nov 05 21:26:04 CST 2018, time=2018-11-05, status=1, ipAttribution=)]
    2018-11-05 医者仁心5538

    学习了

    0