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Matthew M Ford^1,2, Brianna E George³, Victor S Van Laar⁴

¹Division of Neuroscience, Oregon National Primate Research Center, Oregon Health & Science University, Portland, OR, USA.

Nature medicine

|August 14, 2023

概括

使用质衍生神经营养因子 (GDNF) 的基因疗法通过恢复多巴胺信号来预防子的酒精复发. 这种方法为酒精使用障碍治疗提供了潜在的新策略.

科学领域:

神经科学是一个神经科学.
药理学药理学是指药理学的学科.
遗传学是一个遗传学.

背景情况:

酒精使用障碍 (AUD) 导致全球显著的成本,尽管目前的治疗方法经常复发.
慢性饮酒会改变大脑奖励路径中的多巴胺信号,导致复发.
了解这些神经适应对于开发有效的AUD疗法至关重要.

研究的目的:

研究质衍生神经变因子 (GDNF) 基因疗法的潜力,以预防AUD的灵长类模型中的酒精复发.
为了检查GDNF对慢性酒精暴露后核 accumbens中多巴胺信号传递的影响.

主要方法:

编码人类GDNF的腺相关病毒血清型2载体 (AAV2-hGDNF) 被注入长期暴露于酒精的 rhesus子的腹膜区域 (VTA).
对照子接受了一种载体输液.
涉及反复戒断和重新引入酒精的行为挑战在12个月内进行.

主要成果:

在整个12个月的研究期间,GDNF基因治疗显著抑制了恢复饮酒行为.
神经生理学评估显示,GDNF调节了核中的多巴胺信号,抵消了慢性酒精使用引起的低多巴胺状态.
这些变化表明临界回路的治疗调节涉及到奖励和成.

结论:

临床前发现表明,GDNF基因治疗可以有效地预防灵长类动物模型中的酒精复发.
这项研究支持基因治疗以多巴胺基神经适应为向的基因疗法,作为酒精使用障碍的有前途的治疗策略.
需要进一步的研究来探索GDNF在AUD复发预防中的临床适用性.

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