母乳は代謝のためのニューラル配線を形作る

Isin Cakir¹, Umut Ozcan¹

¹Division of Endocrinology, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA.

Cell

|February 4, 2014

まとめ

哺乳期中の母親の高脂肪食は,生涯の代謝機能不全のために子孫を育てるプログラムです. このインスリンシグナル伝達障害は,エネルギーとグルコースのバランスを制御する神経回路を混乱させます.

科学分野:

メタボリック研究.
神経内分泌学の神経内分泌学
発達生物学発達生物学とは

背景:

重要な発達期間の母親の食事は,子孫の健康に影響を及ぼします.
肥満とメタボリックシンドロームは,世界的な健康上の重要な懸念事項です.

研究の目的:

哺乳期中の母親の高脂肪栄養による子宮代謝の恒常性への長期的な影響を調査する.
根本的なメカニズムを明らかにし,特にインスリンシグナル伝達と神経回路の発達に焦点を当てます.

主な方法:

マウスモデルを用いて,授乳期中の母親の高脂肪食の影響を研究した.
エネルギーとグルコースのホメオスタシスを含む子孫の代謝パラメータが評価されました.
インスリン信号伝達経路と視床下部神経回路の形成を分析した.

主要な成果:

哺乳期中の母親の高脂肪食は,子孫の生涯にわたるエネルギーとグルコースホメオスタシスの低下をもたらしました.
子孫において異常なインスリンシグナル伝達が観察された.
この異常なシグナリングは,代謝調節に不可欠な下垂体神経回路の発達に干渉した.

結論:

哺乳期中の母親の栄養は,子孫の代謝健康をプログラムする上で重要な役割を果たします.
母親の高脂肪食によるインスリンシグナル伝達の障害は,神経回路の発達に影響を与えることで,持続的な代謝欠損につながる可能性があります.

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