中枢神経系は代謝のコントロールをします
Martin G Myers1, David P Olson
1Division of Metabolism, Endocrinology and Diabetes, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48105, USA. mgmyers@umich.edu
Nature
|November 16, 2012
まとめ
中枢神経系は,特に飢餓やホルモン欠乏の間,栄養処理と代謝制御において重要な役割を果たします. 最近の研究は,脳を強調しています.
科学分野:
- 神経科学は神経科学である.
- メタボリック・レギュレーション
- エンドクリノロジー エンドクリノロジー
背景:
- 伝統的に,栄養素の取り扱いの制御は,外周ホルモンの作用に起因していた.
- 中枢神経系 (CNS) の代謝における役割は,何十年も前から認識されてきました.
- 新興の証拠は,より広範なCNSが代謝調節に関与していることを示している.
研究 の 目的:
- 代謝制御における中枢神経系の一般的な役割を探求する.
- 代謝における様々なシグナルと下垂体回路の重要性を調査する.
- 代謝への脳の貢献が,特に特定の生理学的状態において,どのように明らかにされるかを理解する.
主な方法:
- 中枢神経系の代謝への関与に関する最近の発見のレビュー.
- 視床下部の回路とシグナル信号の分析.
- カタボリック状態とホルモン欠乏の間における代謝制御の検討.
主要な成果:
- CNSは,これまで考えられていたよりも代謝制御において,より一般的で重要な役割を果たしています.
- 脳の媒介による代謝調節には,特定のシグナルと下垂体回路が重要です.
- 脳の代謝機能は,飢餓やホルモン欠乏などの状態でより顕著になります.
結論:
- 中枢神経系は,全体の代謝制御に不可欠です.
- 視床下部の回路と外部信号は,脳の代謝機能の重要な媒介者です.
- 中枢神経系の役割を理解することは,特にストレスに関連する状態において,代謝の調節を理解するために非常に重要です.
関連する概念動画
Regulation of Metabolism
Cellular needs and conditions vary from cell to cell and change within individual cells over time. For example, the required enzymes and energetic demands of stomach cells are different from those of fat storage cells, skin cells, blood cells, and nerve cells. Furthermore, a digestive cell works much harder to process and break down nutrients during the time that closely follows a meal compared with many hours after a meal. As these cellular demands and conditions vary, so do the amounts and...
Physiological Control of Respiration
Introduction
Breathing, a seemingly passive process, is regulated by the respiratory center in the brainstem. This center coordinates the involuntary control of respirations, which means it occurs without conscious effort, ensuring a smooth and uninterrupted pattern.
Regulation of Ventilation
The body maintains ventilation by monitoring levels of carbon dioxide (CO2), oxygen (O2), and hydrogen ion concentration (pH) in the arterial blood. Among these factors, the level of CO2 plays a crucial...
Breathing, a seemingly passive process, is regulated by the respiratory center in the brainstem. This center coordinates the involuntary control of respirations, which means it occurs without conscious effort, ensuring a smooth and uninterrupted pattern.
Regulation of Ventilation
The body maintains ventilation by monitoring levels of carbon dioxide (CO2), oxygen (O2), and hydrogen ion concentration (pH) in the arterial blood. Among these factors, the level of CO2 plays a crucial...
Organization of the Nervous System
The nervous system is one of the most complex systems in our body. It is organized into two main divisions: the central nervous system (CNS) and the peripheral nervous system (PNS).
The CNS, comprising the brain and spinal cord, houses billions of neurons. The brain is housed in the skull, while the spinal cord is linked to the brain through the foramen magnum of the occipital bone and is surrounded by the protective structure of the vertebral column. It is responsible for processing various...
The CNS, comprising the brain and spinal cord, houses billions of neurons. The brain is housed in the skull, while the spinal cord is linked to the brain through the foramen magnum of the occipital bone and is surrounded by the protective structure of the vertebral column. It is responsible for processing various...
Brainstem: Control Centers of Medulla
The medulla oblongata is a crucial part of the brainstem responsible for controlling various autonomic and involuntary functions. It contains several nuclei, including the olivary, cuneate, gracile, and solitary nuclei.
Olivary Nucleus
The olivary nucleus, or inferior olivary nucleus, is located within the ventrolateral part of the medulla oblongata. It is primarily involved in motor coordination and motor learning. The olivary nucleus receives input from the spinal cord, cerebellum, and motor...
Olivary Nucleus
The olivary nucleus, or inferior olivary nucleus, is located within the ventrolateral part of the medulla oblongata. It is primarily involved in motor coordination and motor learning. The olivary nucleus receives input from the spinal cord, cerebellum, and motor...
Physiology of Respiration II: Neurogenic Control of Respiration
The neurogenic control of respiration coordinates various neural networks and pathways to regulate breathing rate and depth, meeting the body's oxygen and carbon dioxide exchange requirements. This system adapts to physiological and environmental conditions, ensuring optimal breathing patterns.
Central Control
The brainstem is the primary site of central control, hosting respiratory centers:
Central Control
The brainstem is the primary site of central control, hosting respiratory centers:
Nervous System
The nervous system coordinates body functions through its complex network of nerve cells, enabling sensation and movement. It is divided into two primary parts: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS is composed of the brain and the spinal cord. The brain acts as the body's control center, processing sensory information and coordinating responses. The spinal cord functions as a major signaling pathway for the brain and the rest of the body.
Extending...
Extending...


