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　　2021翻译硕士MTI中国日报4月热词:科学家删除动物记忆

　　A Chinese research team has achieved "deleting" specific memories of rats in laboratory recently through a genome editing technique, and published a paper on the findings on the Science Advances website. The research team from the Neuroscience Research Institute of Peking University adopted the genome editing technique based on clustered regularly interspaced short palindromic repeats, or CRISPR, to successfully wipe off fear memory of rats in the experiment. The memory of negative emotions is of great significance for survival, but such memory would become a burden when it cannot be forgotten, which might cause pathological diseases, such as post-traumatic stress syndrome, said Yi Ming, a researcher in the experiment and co-author of the paper. Yi said that the success would provide new thought in curing refractory pathological memories, such as chronic pain and addiction.

　　近日，北京大学神经科学研究所研究团队利用基因编辑技术，在实验大鼠的脑中实现特定记忆的精准删除，相关研究成果发表于《科学进展》网站上。该研究团队采用CRISPR基因编辑技术，成功删除了实验中大鼠的恐惧记忆。论文作者之一、参与实验的研究员伊鸣表示，负性情绪的记忆对生存有重要意义，但如果这类记忆无法被遗忘，也可能成为负担，导致创伤后应激综合征等病理性疾病。伊鸣称，此项研究的成功有望为慢性疼痛、成瘾等顽固的病理性记忆的治疗提供新思路。

　　[重点词汇]

　　基因编辑 genome editing

　　病理学的(adj.) pathological

　　难治的(adj.) refractory

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