EPISODE · Feb 4, 2026 · 18 MIN
685. 癌细胞蛋白：阿尔茨海默症的潜在盾牌
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这项发表于《自然》杂志的新研究探讨了癌症与阿尔茨海默病之间长期存在的互斥关系，即患有其中一种疾病的人往往不易患上另一种。通过长达十五年的实验，科学家在患癌小鼠体内发现了一种名为半胱氨酸蛋白酶抑制剂C（cystatin C）的特殊分子。这种由癌细胞产生的蛋白质能够跨越血脑屏障进入大脑，并有效分解与阿尔茨海默病相关的淀粉样蛋白斑块。虽然流行病学数据受到寿命和诊断干扰等复杂因素影响，但这一发现为疾病防御机制提供了关键的分子证据。该成果不仅揭示了肿瘤分泌物对神经系统的意外保护作用，也为未来开发阿尔茨海默病治疗药物提供了极具潜力的新方向。内容来源：https://www.nature.com/articles/d41586-026-00222-7
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685. 癌细胞蛋白：阿尔茨海默症的潜在盾牌
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