PNAS:KLC1E基因或与阿尔茨海默氏症有关

2014-02-08 MedSci MedSci原创

日本的一项新研究显示,一个名为 KLC1E 的基因可能与阿尔茨海默氏症的发病机理有关,这一发现有助于开发通过验血诊断和治疗该病的新方法。 日本大阪大学的森原刚史等人在PNAS网络版上报告说,他们发现有的实验鼠不容易患上早老性痴呆症,其脑内所含的 β 淀粉样蛋白也比较少。而医学界通常认为 β 淀粉样蛋白在大脑内异常堆积是导致早老性痴呆症的原因。 研究人员于是分析了这

日本的一项新研究显示,一个名为 KLC1E 的基因可能与阿尔茨海默氏症的发病机理有关,这一发现有助于开发通过验血诊断和治疗该病的新方法。

日本大阪大学的森原刚史等人在PNAS网络版上报告说,他们发现有的实验鼠不容易患上早老性痴呆症,其脑内所含的 β 淀粉样蛋白也比较少。而医学界通常认为 β 淀粉样蛋白在大脑内异常堆积是导致早老性痴呆症的原因。

研究人员于是分析了这种实验鼠的基因,在与普通实验鼠对比约 2.5 万个基因后发现,前者的 KLC1E 基因功能非常弱。

由于人体也有这个基因,研究小组还利用人工培养的人类神经细胞进行实验,发现如果将该基因的功能降至原有水平的 20% 左右,则细胞中所含 β 淀粉样蛋白的数量会比一般水平减少约 40% 至 45% 。但如果增强这种基因的功能,则 β 淀粉样蛋白的数量也随之增加。

早老性痴呆症患者的血液分析结果也显示,他们体内的这个基因功能比正常人要高约 25% 。研究人员据此指出,基因 KLC1E 是导致 β 淀粉样蛋白大量堆积并引发早老性痴呆症的原因之一,但其因果原理尚不为人所知。如能在上述发现的基础上继续深入研究,可望最终开发出针对早老性痴呆症的血液诊断法和治疗新方法。

原始出处:

Morihara T, Hayashi N, Yokokoji M, Akatsu H, Silverman MA, Kimura N, Sato M, Saito Y, Suzuki T, Yanagida K, Kodama TS, Tanaka T, Okochi M, Tagami S, Kazui H, Kudo T, Hashimoto R, Itoh N, Nishitomi K, Yamaguchi-Kabata Y, Tsunoda T, Takamura H, Katayama T, Kimura R, Kamino K, Hashizume Y, Takeda M.Transcriptome analysis of distinct mouse strains reveals kinesin light chain-1 splicing as an amyloid-β accumulation modifier.Proc Natl Acad Sci U S A. 2014 Feb 4.

版权声明:
本网站所有内容来源注明为“梅斯医学”或“MedSci原创”的文字、图片和音视频资料,版权均属于梅斯医学所有。非经授权,任何媒体、网站或个人不得转载,授权转载时须注明来源为“梅斯医学”。其它来源的文章系转载文章,或“梅斯号”自媒体发布的文章,仅系出于传递更多信息之目的,本站仅负责审核内容合规,其内容不代表本站立场,本站不负责内容的准确性和版权。如果存在侵权、或不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
在此留言
评论区 (5)
#插入话题
  1. [GetPortalCommentsPageByObjectIdResponse(id=1816607, encodeId=2710181660e7f, 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=21, 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=Sat May 03 15:23:00 CST 2014, time=2014-05-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1990366, encodeId=0ead199036603, content=<a href='/topic/show?id=b8eb9e78216' target=_blank style='color:#2F92EE;'>#阿尔茨海默氏#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97782, encryptionId=b8eb9e78216, topicName=阿尔茨海默氏)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b952312, createdName=zhs3882, createdTime=Sun Jul 06 16:23:00 CST 2014, time=2014-07-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1817630, encodeId=a833181e63059, 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=30, 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=Fri Feb 14 15:23:00 CST 2014, time=2014-02-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1855503, encodeId=4c301855503d8, content=<a href='/topic/show?id=f32014428fc' target=_blank style='color:#2F92EE;'>#PNAS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=22, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14428, encryptionId=f32014428fc, topicName=PNAS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=08e964, createdName=drwjr, createdTime=Sat Aug 16 06:23:00 CST 2014, time=2014-08-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1469984, encodeId=51a11469984b5, 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=27, 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=Mon Feb 10 07:23:00 CST 2014, time=2014-02-10, status=1, ipAttribution=)]
  2. [GetPortalCommentsPageByObjectIdResponse(id=1816607, encodeId=2710181660e7f, 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=21, 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=Sat May 03 15:23:00 CST 2014, time=2014-05-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1990366, encodeId=0ead199036603, content=<a href='/topic/show?id=b8eb9e78216' target=_blank style='color:#2F92EE;'>#阿尔茨海默氏#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97782, encryptionId=b8eb9e78216, topicName=阿尔茨海默氏)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b952312, createdName=zhs3882, createdTime=Sun Jul 06 16:23:00 CST 2014, time=2014-07-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1817630, encodeId=a833181e63059, 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=30, 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=Fri Feb 14 15:23:00 CST 2014, time=2014-02-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1855503, encodeId=4c301855503d8, content=<a href='/topic/show?id=f32014428fc' target=_blank style='color:#2F92EE;'>#PNAS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=22, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14428, encryptionId=f32014428fc, topicName=PNAS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=08e964, createdName=drwjr, createdTime=Sat Aug 16 06:23:00 CST 2014, time=2014-08-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1469984, encodeId=51a11469984b5, 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=27, 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=Mon Feb 10 07:23:00 CST 2014, time=2014-02-10, status=1, ipAttribution=)]
  3. [GetPortalCommentsPageByObjectIdResponse(id=1816607, encodeId=2710181660e7f, 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=21, 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=Sat May 03 15:23:00 CST 2014, time=2014-05-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1990366, encodeId=0ead199036603, content=<a href='/topic/show?id=b8eb9e78216' target=_blank style='color:#2F92EE;'>#阿尔茨海默氏#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97782, encryptionId=b8eb9e78216, topicName=阿尔茨海默氏)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b952312, createdName=zhs3882, createdTime=Sun Jul 06 16:23:00 CST 2014, time=2014-07-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1817630, encodeId=a833181e63059, 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=30, 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=Fri Feb 14 15:23:00 CST 2014, time=2014-02-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1855503, encodeId=4c301855503d8, content=<a href='/topic/show?id=f32014428fc' target=_blank style='color:#2F92EE;'>#PNAS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=22, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14428, encryptionId=f32014428fc, topicName=PNAS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=08e964, createdName=drwjr, createdTime=Sat Aug 16 06:23:00 CST 2014, time=2014-08-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1469984, encodeId=51a11469984b5, 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=27, 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=Mon Feb 10 07:23:00 CST 2014, time=2014-02-10, status=1, ipAttribution=)]
  4. [GetPortalCommentsPageByObjectIdResponse(id=1816607, encodeId=2710181660e7f, 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=21, 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=Sat May 03 15:23:00 CST 2014, time=2014-05-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1990366, encodeId=0ead199036603, content=<a href='/topic/show?id=b8eb9e78216' target=_blank style='color:#2F92EE;'>#阿尔茨海默氏#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97782, encryptionId=b8eb9e78216, topicName=阿尔茨海默氏)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b952312, createdName=zhs3882, createdTime=Sun Jul 06 16:23:00 CST 2014, time=2014-07-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1817630, encodeId=a833181e63059, 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=30, 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=Fri Feb 14 15:23:00 CST 2014, time=2014-02-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1855503, encodeId=4c301855503d8, content=<a href='/topic/show?id=f32014428fc' target=_blank style='color:#2F92EE;'>#PNAS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=22, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14428, encryptionId=f32014428fc, topicName=PNAS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=08e964, createdName=drwjr, createdTime=Sat Aug 16 06:23:00 CST 2014, time=2014-08-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1469984, encodeId=51a11469984b5, 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=27, 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=Mon Feb 10 07:23:00 CST 2014, time=2014-02-10, status=1, ipAttribution=)]
    2014-08-16 drwjr
  5. [GetPortalCommentsPageByObjectIdResponse(id=1816607, encodeId=2710181660e7f, 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=21, 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=Sat May 03 15:23:00 CST 2014, time=2014-05-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1990366, encodeId=0ead199036603, content=<a href='/topic/show?id=b8eb9e78216' target=_blank style='color:#2F92EE;'>#阿尔茨海默氏#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97782, encryptionId=b8eb9e78216, topicName=阿尔茨海默氏)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b952312, createdName=zhs3882, createdTime=Sun Jul 06 16:23:00 CST 2014, time=2014-07-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1817630, encodeId=a833181e63059, 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=30, 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=Fri Feb 14 15:23:00 CST 2014, time=2014-02-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1855503, encodeId=4c301855503d8, content=<a href='/topic/show?id=f32014428fc' target=_blank style='color:#2F92EE;'>#PNAS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=22, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14428, encryptionId=f32014428fc, topicName=PNAS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=08e964, createdName=drwjr, createdTime=Sat Aug 16 06:23:00 CST 2014, time=2014-08-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1469984, encodeId=51a11469984b5, 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=27, 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=Mon Feb 10 07:23:00 CST 2014, time=2014-02-10, status=1, ipAttribution=)]

相关资讯

Rejuv Res:免疫系统可能缓解阿尔茨海默氏症

近日,科学家在小鼠动物研究发现免疫系统能去除β-淀粉样蛋白,β-淀粉样蛋白是大脑中引发阿尔茨海默氏症的致病物质。研究人员现在已经能证实免疫系统在人身上也有类似功效。 研究人员筛选700个血液样本中成千上万个基因的表达水平,结果发现免疫系统对抗β-淀粉样蛋白的标记物——CCR2基因。 研究小组使用一种常见的临床措施--精神状态检查量表法测量记忆和其他认知功能。 早期研究工作表明在小鼠体内CCR

Nat Rev Drug Discov:RXR拮抗剂逆转阿尔茨海默氏症

近日,国际著名评论杂志Nature Reviews Drug Discovery对《科学》Science杂志上的的一篇文章进行了精彩评论,原文中,研究者Cramer和同事证明,一种维甲酸X受体(RXR)拮抗剂能够迅速刺激Aβ清除,改善AD小鼠模型中的认知和行为缺陷。 淀粉体-β(Aβ)在大脑中的积聚被视为导致阿尔茨海默氏症(AD)的一系列事件的开始。然而,目标在于减少Aβ产生或聚集的治疗方法到目