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Alzheimer Dementia:样品处理对阿尔茨海默病相关血液生物标志物的影响特征

2022-08-26 MedSci原创 MedSci原创

该研究构建了一个血浆处理的标准化操作程序,以促进将基于血液的生物标志物引入研究和临床环境。

基于血液的阿尔茨海默病(AD)的生物标志物有可能作为非侵入性的筛查工具来实施。有望反映AD神经病理生理过程的标志物是淀粉样β(Aβ)、p-tau、胶质纤维酸性蛋白(GFAP)、和神经丝光(NfL),特别是GFAP和NfL也与其他神经退行性疾病有关,如非AD痴呆症、多发性硬化症或脑外伤。分析前的样品处理可能会影响阿尔茨海默病血液生物标记物的结果。为此,来自国际SABB协作组织根据经验测试了普通血液采集和处理程序的变化。

研究人员创建了样本集,以解决采血管类型、乙二胺四乙酸血浆延迟离心、离心温度、等分量、延迟储存和冻融的影响。我们用六种方法测量了淀粉样β(Aβ)42和40种肽,以及Aβ寡聚化倾向(OAβ)、淀粉样前体蛋白(APP)699-711、胶质纤维酸性蛋白(GFAP)、神经丝光(NfL)、总tau(t-tau)和磷酸化tau181。

结果显示,采集管类型导致了所有评估标志物的不同值。延迟的血浆离心和储存影响了Aβ和t-tau;t-tau还受到离心温度的影响。其他标记物对处理变化有抵抗力。

综上,该研究构建了一个血浆处理的标准化操作程序,以促进将基于血液的生物标志物引入研究和临床环境。

 

参考文献:

Characterization of pre-analytical sample handling effects on a panel of Alzheimer's disease–related blood-based biomarkers: Results from the Standardization of Alzheimer's Blood Biomarkers (SABB) working group

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  4. [GetPortalCommentsPageByObjectIdResponse(id=1817234, encodeId=aa3a181e23461, content=<a href='/topic/show?id=17b59e77626' target=_blank style='color:#2F92EE;'>#阿尔茨#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97776, encryptionId=17b59e77626, topicName=阿尔茨)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdwx.qlogo.cn/mmopen/vi_32/Bnia2EtH2IvyBtniaWHPQOYAicsN3IAL1ZuPV7qyALcdCiawRJdEiafMxWTxzERQW7eeKg8HfCKCRK2CJicy073C4RJg/132, createdBy=464b2500186, createdName=ms1948154235210413, createdTime=Fri Mar 10 21:39:42 CST 2023, time=2023-03-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1718175, encodeId=754d1e18175ce, content=<a href='/topic/show?id=8f0658433a' target=_blank style='color:#2F92EE;'>#dementia#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5843, encryptionId=8f0658433a, topicName=dementia)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=307e32501717, createdName=linlin2323, createdTime=Fri Sep 23 00:39:42 CST 2022, time=2022-09-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1818257, encodeId=13b6181825eda, content=<a href='/topic/show?id=4c9f9e777ac' target=_blank style='color:#2F92EE;'>#阿尔茨海#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97777, encryptionId=4c9f9e777ac, topicName=阿尔茨海)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=636e2500187, createdName=12498da4m32(暂无昵称), createdTime=Wed Sep 28 08:39:42 CST 2022, time=2022-09-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1841937, encodeId=020e184193e49, content=<a href='/topic/show?id=18bf61953d3' target=_blank style='color:#2F92EE;'>#标志物#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=57, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=61953, encryptionId=18bf61953d3, topicName=标志物)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6ab940, createdName=hukaixun, createdTime=Sun Apr 02 06:39:42 CST 2023, time=2023-04-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1241140, encodeId=ab52124114069, content=好文章,值得一读。, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTJlfgys76DEiaNtbYo2re3ibjrUPTRibEXRyFwAB4aAGiave842S0FQDf0wAoaH226NiaSoPPDzhndsf1g/132, createdBy=88b489038, createdName=yangchou, createdTime=Fri Aug 26 13:25:42 CST 2022, time=2022-08-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1470610, encodeId=4f7014e0610bc, content=<a href='/topic/show?id=45a79e7788c' target=_blank style='color:#2F92EE;'>#阿尔茨海默#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=77, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97778, encryptionId=45a79e7788c, topicName=阿尔茨海默)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c5917090900, createdName=yhj-time, createdTime=Wed Aug 24 12:39:42 CST 2022, time=2022-08-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1561183, encodeId=4cf9156118372, content=<a href='/topic/show?id=3c746936567' target=_blank style='color:#2F92EE;'>#生物标志#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=72, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=69365, encryptionId=3c746936567, topicName=生物标志)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=63db15173977, createdName=zhu_jun9842, createdTime=Wed Aug 24 12:39:42 CST 2022, time=2022-08-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1567192, encodeId=0427156e19231, content=<a href='/topic/show?id=3c746936567' target=_blank style='color:#2F92EE;'>#生物标志#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=69365, encryptionId=3c746936567, topicName=生物标志)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=63db15173977, createdName=zhu_jun9842, createdTime=Wed Aug 24 12:39:42 CST 2022, time=2022-08-24, status=1, ipAttribution=)]
  5. [GetPortalCommentsPageByObjectIdResponse(id=1817234, encodeId=aa3a181e23461, content=<a href='/topic/show?id=17b59e77626' target=_blank style='color:#2F92EE;'>#阿尔茨#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97776, encryptionId=17b59e77626, topicName=阿尔茨)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdwx.qlogo.cn/mmopen/vi_32/Bnia2EtH2IvyBtniaWHPQOYAicsN3IAL1ZuPV7qyALcdCiawRJdEiafMxWTxzERQW7eeKg8HfCKCRK2CJicy073C4RJg/132, createdBy=464b2500186, createdName=ms1948154235210413, createdTime=Fri Mar 10 21:39:42 CST 2023, time=2023-03-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1718175, encodeId=754d1e18175ce, content=<a href='/topic/show?id=8f0658433a' target=_blank style='color:#2F92EE;'>#dementia#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5843, encryptionId=8f0658433a, topicName=dementia)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=307e32501717, createdName=linlin2323, createdTime=Fri Sep 23 00:39:42 CST 2022, time=2022-09-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1818257, encodeId=13b6181825eda, content=<a href='/topic/show?id=4c9f9e777ac' target=_blank style='color:#2F92EE;'>#阿尔茨海#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97777, encryptionId=4c9f9e777ac, topicName=阿尔茨海)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=636e2500187, createdName=12498da4m32(暂无昵称), createdTime=Wed Sep 28 08:39:42 CST 2022, time=2022-09-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1841937, encodeId=020e184193e49, content=<a href='/topic/show?id=18bf61953d3' target=_blank style='color:#2F92EE;'>#标志物#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=57, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=61953, encryptionId=18bf61953d3, topicName=标志物)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6ab940, createdName=hukaixun, createdTime=Sun Apr 02 06:39:42 CST 2023, time=2023-04-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1241140, encodeId=ab52124114069, content=好文章,值得一读。, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTJlfgys76DEiaNtbYo2re3ibjrUPTRibEXRyFwAB4aAGiave842S0FQDf0wAoaH226NiaSoPPDzhndsf1g/132, createdBy=88b489038, createdName=yangchou, createdTime=Fri Aug 26 13:25:42 CST 2022, time=2022-08-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1470610, encodeId=4f7014e0610bc, content=<a href='/topic/show?id=45a79e7788c' target=_blank style='color:#2F92EE;'>#阿尔茨海默#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=77, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97778, encryptionId=45a79e7788c, topicName=阿尔茨海默)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c5917090900, createdName=yhj-time, createdTime=Wed Aug 24 12:39:42 CST 2022, time=2022-08-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1561183, encodeId=4cf9156118372, content=<a href='/topic/show?id=3c746936567' target=_blank style='color:#2F92EE;'>#生物标志#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=72, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=69365, encryptionId=3c746936567, topicName=生物标志)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=63db15173977, createdName=zhu_jun9842, createdTime=Wed Aug 24 12:39:42 CST 2022, time=2022-08-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1567192, encodeId=0427156e19231, content=<a href='/topic/show?id=3c746936567' target=_blank style='color:#2F92EE;'>#生物标志#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=69365, encryptionId=3c746936567, topicName=生物标志)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=63db15173977, createdName=zhu_jun9842, createdTime=Wed Aug 24 12:39:42 CST 2022, time=2022-08-24, status=1, ipAttribution=)]
    2022-08-26 yangchou

    好文章,值得一读。

    0

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