中国首个异种器官移植猕猴存活超一年|国产999999久久99999

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  中新网武汉11月20日电 (常宇)华中科技大学同济医学院附属同济医院20日宣布,在由该院器官移植研究所陈刚团队实施的一项基因编辑猪-猕猴异种肾脏移植实验中,受体猕猴存活时间已超一年,移植猪肾功能良好。

  据悉,这是世界范围内除美国之外,首个存活超过一年的异种移植灵长类动物案例,为人类解决临床器官短缺难题奠定了关键的科学基础。

  异种移植是医学界探索解决器官供需矛盾的途径之一,但也面临剧烈免疫排斥反应等核心障碍。

  自1999年完成中国最早异种移植动物实验以来,陈刚团队在此领域持续深耕。2019年,团队使用新型多基因编辑猪进一步开展实验。尽管成功规避了超急性排斥反应,但是移植肾的存活时间却难以突破一个月,研究进入瓶颈期。

  面对困境,团队从源头到方案进行系统性排查,最终锁定猪巨细胞病毒、精准免疫抑制两大关键难题并实现突破,在抑制排斥与防止感染间找到了关键平衡。目前,存活超一年的受体猕猴,各项生理指标稳定,生存状态依然良好。

  “对于无器官可用的终末期患者,异种移植是延续生命的希望之光。我们的最终目标,是真正解决器官短缺这一世界性难题。”陈刚表示,团队有望在未来三至五年内推动该技术走向临床。(完)

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