相关实验视频
Updated: Jul 5, 2025

00:09
Cortisol Measurement in Koala Phascolarctos cinereus Fur
Published on: August 23, 2019
10.7K
在普通 (Callithrix jacchus) 的一生中,皮质醇水平
Matthew Lopez1, Amaya Seidl1, Kimberley A Phillips1,2
1Department of Psychology, Trinity University, San Antonio, Texas, USA.
American journal of primatology
|January 19, 2024
概括
与人类不同的是,常见的马尔莫塞特与衰老没有显示下丘脑-垂体-上腺 (HPA) 轴的失调. 头发皮质醇度 (HCC) 与年龄负相关,婴儿显示最高水平.
科学领域:
- 衰老的研究研究.
- 内分泌学 在内分泌学.
- 灵长类动物模型
背景情况:
- 人类的衰老涉及下丘脑-垂体-上腺 (HPA) 轴衰老,导致皮质醇增加和与年龄有关的疾病.
- 由于自然发生的与年龄相关的病理,常见的海豚是衰老研究的有价值的翻译模型.
- 马尔莫塞特的HPA轴衰老概况仍然没有特征.
研究的目的:
- 为了调查大黄蜂HPA轴是否会随着年龄的增长而衰老.
- 为了分析毛皮质醇度 (HCC) 跨越马尔莫塞特的寿命.
主要方法:
- 对50只被囚禁的普通海 (2个月至14.5年) 的截面研究.
- 头发皮质醇度 (HCC) 用酶免疫测试测量.
- 根据年龄组和性别对HCC的统计分析.
主要成果:
- HCC范围从1416到15,343 pg/mg,与年龄负相关.
- 观察到年龄组和性别对HCC的主要显著影响.
- 婴儿的HCC最高;女性的HCC比男性高.
- 没有发现年龄和性别之间的相互作用效应.
结论:
- 像HCC水平所表明的那样,鱼似乎不会随着年龄的增加而表现出HPA轴的失调.
- 婴儿海猫显示最高的HCC,表明发育差异,而不是与衰老相关的HPA轴衰老.
- 性别影响HCC,女性的HCC水平高于男性.
相关概念视频
Hormones of the Adrenal Glands
2.5K
Adrenal hormones play a pivotal role in maintaining the body's electrolyte balance and orchestrating responses to stress, showcasing the intricate functions of the adrenal cortex and medulla.
The adrenal cortex, a powerhouse of hormone synthesis, generates over two dozen corticosteroid hormones. The zona glomerulosa produces mineralocorticoids, exemplified by aldosterone, influencing the electrolyte composition of body fluids. The synthesis of glucocorticoids such as cortisol and...
The adrenal cortex, a powerhouse of hormone synthesis, generates over two dozen corticosteroid hormones. The zona glomerulosa produces mineralocorticoids, exemplified by aldosterone, influencing the electrolyte composition of body fluids. The synthesis of glucocorticoids such as cortisol and...
2.5K
Hypothalamic-Pituitary Axis
60.1K
The response to stress—be it physical or psychological, acute or chronic—involves activation of the Hypothalamic-Pituitary-Adrenal (HPA) axis. The HPA axis is part of the neuroendocrine system because it involves both neuronal and hormonal communication. Its function is to regulate homeostatic systems—metabolic, cardiovascular, and immune—providing the necessary means to respond to a stressor.
60.1K

