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gundnir

木虫 (著名写手)

[求助] 英译中求助

Emerging evidence also associates depression vulner-ability as well as antidepressant treatment response with a single nucleotide polymorphism in the promoter region of the 5-HT 1A receptor gene, which determines the binding of certain gene repressors and is thereby functional. Interestingly, the putative risk allele was recently modelled in mice through a targeted mutation that increased 5-HT 1A receptor expression specifically in midbrain raphe neurons. These mice demonstrated a suppression of 5-HT cell firing due to increased inhibitory 5-HT 1A autoreceptor tone. In addition, the mice showed increased sensitivity to stress as well as resistance to behavioural effects of SSRI treatment, thereby recapitulating the phenotype predicted by the human gene-association studies.

在线等,多谢了

[ Last edited by gundnir on 2012-4-27 at 12:50 ]
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xzx8066

木虫 (正式写手)

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gundnir: 金币+150, ★★★很有帮助 2012-04-27 23:42:57
新出现的证据显示5-羟色胺受体1A亚型(5-HT 1A)基因启动子区域单核苷酸多态性与抑郁症易损性以及抗抑郁药的治疗反应有关。该启动子区域决定特定的阻遏蛋白与其结合,从而发挥生物学功能。有趣的是,最近通过靶向突变技术增加小鼠脑组织中5-HT 1A的表达,尤其是在中脑中缝核神经元,成功制作公认的危险等位基因小鼠模型。由于抑制性5-HT 1A自受体状态的增加,这些模型小鼠显示出对5-HT细胞激发的抑制作用。此外,这些模型小鼠对应激的敏感性以及对选择性5-HT再摄取抑制剂行为作用的抗性均增加。从而,它扼要说明人类基因关联研究预测的表型。
3楼2012-04-27 16:40:23
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chenxiangfei

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gundnir: 金币+50, 翻译EPI+1, ★有帮助, 谢谢 2012-04-27 23:42:51
试试这样翻译:
与抑郁脆弱性相关的能力新的证据以及在5 - 羟色胺1A受体基因区域的单核苷酸多态性对抗抑郁药治疗的回应,从而决定了某些基因阻遏约束力及其功能的启动。有趣的是,最近有针对性地通过增加小鼠中脑缝神经元5 - 羟色胺1A受体具体表达的突变模仿,假定了这种风险。由于抑制而增加5 - 羟色胺1A 自动受体,这些小鼠5 - 羟色胺细胞的攻击也表现出抑制。此外,小鼠表现出更高的抑郁敏感性以及SSRI治疗行为的影响耐受性,这使得人类基因关联研究现象预测得以概述。
能够做到和植物对话,就不会孤独寂寞。
2楼2012-04-27 14:09:33
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