这一期,我们迈半只脚进入商业播客,从一场股市做空的计划开始讲起,揭开前两年最令人神经科学领域震惊的一场科研造假案的台前幕后,A面B面。看看一项科研造假,是如何影响了价值超过6000亿美元的超大型科研“投资”,又是否会动摇一项数十年的关键研究假设。时间点:03:10 一场做空计划的来源与阿尔兹海默症24:13 故事 A面:西万尔·莱斯内与导师凯伦·阿什打响β淀粉蛋白研究第一枪48:17 故事B面:马修老师是如何看图打假的?63:07 一个大胆的决定:重做实验能不能自证清白?77:35 阿尔兹海默症的研究与新药到底如何?相关图片:阿尔兹海默症的几类主要病理特征:β淀粉蛋白斑块(右上)、神经原纤维缠结(左下)和颗粒空泡变性体(下中):神经科学家与打假卫士,马修·施拉格(Matthew Schrag)西万尔·莱斯内(Sylvain E. Lesné)与凯伦·阿什(Karen Ashe)证明Aβ*56蛋白与记忆降低相关的关键证据:文章图片中的切割痕迹:马修老师等打假卫士的图片处理流程:两张相似性极高的胶图的吻合程度:图片中极其细节的疑似问题:相关参考资料:Piller C. Blots on a field?[J]. Science (New York, NY), 2022, 377(6604): 358-363.Piller C. Researchers plan to retract landmark Alzheimer’s paper containing doctored images[J]. Science, 2024.Lowe D. Faked Beta-Amyloid Data. What Does It Mean?[J]. Science, 2022.Lesné S, Koh M T, Kotilinek L, et al. A specific amyloid-β protein assembly in the brain impairs memory[J]. Nature, 2006, 440(7082).(造假文章)Liu P, Lapcinski I P, Hlynialuk C J W, et al. Aβ∗ 56 is a stable oligomer that impairs memory function in mice[J]. Iscience, 2024, 27(3).PubPeer论坛上的讨论:pubpeer.comBreijyeh Z, Karaman R. Comprehensive review on Alzheimer’s disease: causes and treatment[J]. Molecules, 2020, 25(24): 5789.Zhang Y, Chen H, Li R, et al. Amyloid β-based therapy for Alzheimer’s disease: Challenges, successes and future[J]. Signal transduction and targeted therapy, 2023, 8(1): 248.涉及BGM:George Benson - Thunder Walk综艺《忘不了餐厅》第一季第一期部分片段综艺《忘不了餐厅》主题曲 - 遗忘家
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