血液线粒体新陈代谢预测飞行性能,而没有早期甲状腺激素的持久影响
Marlene Oefele1, Michaela Hau1,2, Suvi Ruuskanen3
1Max Planck Institute for Biological Intelligence, Seewiesen, Starnberg, Germany.
iScience
|January 16, 2026
概括
早期甲状腺激素 (TH) 暴露并没有永久改变斑马的成年代谢. 然而,血液线粒体代谢与高强度逃生飞行性能有关.
科学领域:
- 动物学 动物学
- 生理学 生理学 生理学
- 内分泌学 在内分泌学.
背景情况:
- 早期的生活条件通过能量恒常性显著影响成年人表型.
- 已知甲状腺激素 (THs) 在发育中的鸟类中增强线粒体电子运输链能力 (ETS).
研究的目的:
- 调查早期TH治疗是否会导致成年ETS和斑马的健康相关特征的永久变化.
- 确定发育TH对代谢率,行为和飞行性能的长期影响.
主要方法:
- 斑马雀在幼阶段接受了TH治疗.
- 评估了成年红细胞线粒体有氧代谢,细胞代谢率和氧化酸化.
- 探索性行为和逃生飞行表现被测量为与健身相关的特征.
主要成果:
- 早期的TH治疗没有改变成年红细胞的线粒体有氧代谢.
- 线粒体有氧代谢从生长阶段到成年时自然下降.
- 线粒体细胞代谢率和氧化酸化与高强度逃生飞行正相关,但不是探索性行为.
结论:
- 发育TH暴露似乎不是成年斑马的长期代谢或行为特征的持续驱动因素.
- 血液线粒体代谢与鸟类飞行性能的能量需求之间存在直接关联.
关键词:
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