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生物通
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"食物奖励预期通过胃饥饿素依赖机制增加金鱼进食焦虑——揭示鱼类 ...
研究团队针对食物预期活动 (FAA)是否引发焦虑这一科学问题,以金鱼为模型开展跨物种研究。通过开放场/黑白偏好实验结合胃饥饿素 (ghrelin)拮抗剂干预,首次证实FAA通过食物授时振荡器 (FEO)触发焦虑样行为,且该过程依赖ghrelin信号通路。该发现为理解摄食节律与奖赏系统的进化保守性提供了新证据,论文发表于《Scientific Reports》。
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