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刚刚,南京大学Kidney International被质疑多处图片重复,作者暂未回应

  • 2026-10-16 07:11:50
刚刚,南京大学Kidney International被质疑多处图片重复,作者暂未回应

秉持严谨、深入、持续、开放与创新的态度,尊重他人成果,携手交流共进,推动科研发展。

2012年4月南京大学研究团队在Kidney International上在线发表了名为《Inhibition of glycogen synthase kinase-3β prevents NSAID-induced acute kidney injury》的论文。刚刚,在PubPeer上被学者质疑。     

📄 论文信息

标题:Inhibition of glycogen synthase kinase-3β prevents NSAID-induced acute kidney injury

期刊:Kidney International

作者:Hao Bao, Yan Ge, Shougang Zhuang, Lance D. Dworkin, Zhihong Liu, Rujun Gong

DOI:10.1038/ki.2011.443

ID:22258319发表日期:2012年4月

🏛️ 作者机构

南京大学医学院金陵医院肾脏病研究所

📝 论文摘要

双氯芬酸(DCLF)等非甾体抗炎药(NSAIDs)的临床应用因多种不良反应而受限,包括可导致急性肾损伤的肾毒性。在DCLF诱导肾毒性的小鼠模型中,选择性糖原合成酶激酶(GSK)3β抑制剂TDZD-8改善了急性肾功能障碍,减轻了肾小管坏死和凋亡,这些保护作用与诱导肾皮质环氧合酶-2(COX-2)和前列腺素E2的表达相关。在COX-2基因敲除小鼠中,这种肾脏保护作用虽有所减弱但仍大部分保留,表明除COX-2外还有其他GSK3β靶点参与肾脏保护。事实上,TDZD-8降低了DCLF损伤肾脏中的线粒体通透性转换。在体外实验中,抑制GSK3β能恢复DCLF刺激的肾小管上皮细胞活力,并抑制其坏死与凋亡。DCLF会引发氧化应激,增强氧化还原敏感的GSK3β活性,并通过与线粒体通透性转换孔的关键组分亲环蛋白D相互作用,促进线粒体通透性转换。TDZD-8可阻断GSK3β活性,阻止GSK3β介导的亲环蛋白D磷酸化及后续的线粒体通透性转换,同时使细胞内ATP水平恢复正常。相反,异位表达持续活化的GSK3β则会消除TDZD-8的保护效应。因此,抑制GSK3β可通过诱导肾皮质COX-2表达及直接抑制线粒体通透性转换,从而改善NSAIDs诱导的急性肾损伤。

💬 PubPeer评论

本文收到4条评论,主要质疑如下:

     #1 Aneurus Inconstans 评论如下: 

     图1a和图1i存在重叠区域(蓝色标记部分),但这两幅图本应代表不同的实验条件。请注意,图1i的右下角为局部放大插图。 请作者对此作出解释? 

📷 相关图片:

     #2 Aneurus Inconstans 评论如下: 

     图6A:在显示不同样本的两张显微照片中,一组TKPT细胞看起来完全相同(黄色框内),而周围的其他细胞却不同。这种现象若非经过数字编辑处理是不可能发生的。 作者能否予以说明? 

📷 相关图片:

     #3 Illex Illecebrosus 评论如下: 

     #1点击此处查看基于上述问题的动画视频。其他动画可在此处和此处观看。相关PubPeer帖子的链接在描述中。请注意,我们不做任何判断,仅对他人的观察进行可视化呈现。 

📷 相关图片:

     #4 Illex Illecebrosus 评论如下: 

     #2点击此处查看基于上述问题的动画视频。其他动画可在此处和此处查看。相关PubPeer帖子的链接在描述中。请注意,我们不做任何判断,仅对他人的观察进行可视化呈现。 

📷 相关图片:

以上评论反映了同行对该研究的关注,科学的质疑需要严谨的求证。面对学术质疑,掩盖并不能消除疑虑,唯有透明且严谨的复核才是对科研诚信最好的交代。

🛡️技术支持说明

为确保对争议图片的准确核查,本平台已引入FigScan深度图像取证系统。FigScan 依托其像素级检测算法与1.2亿+学术图像库,协助我们进行客观复盘。感谢FigScan团队提供的公益性技术援助,这不仅是技术加持,更是共同维护科研诚信的努力。

FigScan官网:www.figscan.cn

*本链接指向第三方专业取证工具

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