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Pulmonary Embolism III: Nursing Management
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对食物的感官检测迅速调节弧形的养电路
Yiming Chen1, Yen-Chu Lin1, Tzu-Wei Kuo1
1Department of Physiology, University of California, San Francisco, San Francisco, CA 94158, USA.
Cell
|February 24, 2015
概括
大脑是大脑的大脑.
科学领域:
- 神经科学是一个神经科学.
- 生理学 生理学 生理学
- 行为科学 行为科学
背景情况:
- 神经回路调节饥饿和动机养行为,这些行为是基于平衡的需要.
- 循环营养信号慢性地控制这些电路,但它们的快速动态是未知的.
- 了解对食物线索的实时神经反应对于食欲调节研究至关重要.
研究的目的:
- 为了研究在养行为期间AgRP和POMC神经元的快速动态.
- 为了确定感官食物检测如何影响这些关键的食欲调节神经元.
- 探索这些神经元在食欲行为中的作用,而不仅仅是简单的能量赤字.
主要方法:
- 在清醒,行为小鼠中的AgRP和POMC神经元活动的光学记录.
- 监测神经对食物感官检测的反应.
- 通过食物的食感性和动物的营养状态来分析调制.
主要成果:
- 对食物的感官检测迅速逆转了由能量赤字引起的神经元激活.
- 这种影响是细胞类型的特异性,根据食物的味道和营养状况而有所不同.
- 在任何食物消费之前都发生了神经变化,这表明实时环境传感.
结论:
- AgRP和POMC神经元集成实时的外部食物可用性信息.
- 这些神经元在食欲行为中发挥着关键作用,例如寻找食物和发现食物.
- 研究结果显示,食欲控制的快速反机制超出了平稳信号.
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