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Updated: Jul 11, 2026
06:28
Cerenkov Luminescence Imaging of Interscapular Brown Adipose Tissue
Published on: October 7, 2014
まとめ
冬眠しているコウモリ (Eptesicus fuscus) の茶色の脂肪は,興奮中に他の組織よりも著しく暖かくなります. これは,茶色脂肪組織が冬眠中の哺乳類の熱生成に重要な役割を果たしていることを示唆しています.
科学分野:
- 哺乳類生理学 哺乳類生理学
- 冬眠の生物学について
- 熱生成とは,熱生成である.
背景:
- 冬眠は,長期にわたる代謝抑制と低体温を含む.
- 冬眠状態からの覚醒には,身体を温めるためにかなりのエネルギー支出が必要です.
- 茶色脂肪組織 (BAT) は,震えることのない熱生成における役割で知られています.
研究 の 目的:
- コウモリにおける冬眠状態からの覚醒時に生じる茶色の脂肪の熱的性質を調査する.
- 冬眠中の哺乳類における熱生成に対する茶色脂肪の貢献度を測定する.
主な方法:
- 温度測定は,コウモリ (Eptesicus fuscus) の茶色の脂肪および他の組織で行われました.
- データ収集は,冬眠状態からの覚醒の遅い段階で行われました.
主要な成果:
- 茶色の脂肪の温度は,他の組織よりも約3°C高いことが観察されました.
- この温度差は,冬眠状態からの覚醒の遅い段階で観察された.
結論:
- ブラウン脂肪は冬眠状態からの覚醒時に高温を示します.
- 茶色脂肪による熱生成は,冬眠している哺乳類にとって重要な機能であるようです.
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