化物调节了斑马胚胎中脑干呼吸相关生物节律的中央pH敏感性和可塑性
Jessica R Whitaker-Fornek1, Jennie K Nelson1, Jason Q Pilarski1,2
1Department of Biological Sciences, Idaho State University, Pocatello, Idaho, USA.
Developmental psychobiology
|June 26, 2024
概括
离子对于在胚胎斑马脑干中发展pH敏感度至关重要. 调节化物对呼吸模式和可塑性产生影响,这对于适应空气呼吸至关重要.
科学领域:
- 神经科学是一个神经科学.
- 发展生物学 发展生物学
- 生理学 生理学 生理学
背景情况:
- 陆地脊椎动物在出生时从水中呼吸过渡到空中呼吸.
- 新生儿需要功能性感官反来维持酸平衡.
- 大脑干呼吸神经元作为pH传感器来调节呼吸.
研究的目的:
- 调查离子在呼吸中中心pH敏感度的发展中的作用.
- 了解化物如何影响胚胎发育期间呼吸控制的适应.
主要方法:
- 阻断玛-氨基黄油酸-A受体和阴离子-合运输.
- 使用无化物的人造脑脊液.
- 在胚胎斑马脑干中分析呼吸生物节律和运动输出.
主要成果:
- 化物调节影响了低pH对呼吸生物节律的影响.
- 没有的脑脊液改变了呼吸模式,并阻断了酸刺激.
- 大脑干电机输出中的反弹可塑性被无化物溶液消除.
结论:
- 离子在胚胎斑马脑干中调节低pH敏感性和反弹可塑性方面发挥着重要作用.
- 需要进一步的研究来阐明细胞和电路机制在酸干扰期间控制化物平衡.
更多相关视频
05:28Electrophysiology on Isolated Brainstem-spinal Cord Preparations from Newborn Rodents Allows Neural Respiratory Network Output Recording
Published on: November 19, 2015
8.6K
06:25Author Spotlight: High-Throughput Toxicity Screening Using Zebrafish Embryo Startle Response Assay
Published on: January 12, 2024
1.4K
相关概念视频
01:31Chemical Factors Affecting Respiration Centers
Chemical factors such as changing CO2, O2, and H+ levels in arterial blood play a critical role in influencing respiration depth and rates. These variations are detected by chemoreceptors—specialized sensors located in two primary body areas. Central chemoreceptors are found throughout the brain stem, including the ventrolateral medulla, while peripheral chemoreceptors are located in the aortic arch and carotid arteries.
CO2 has a potent influence on respiration and is strictly regulated. Under...
CO2 has a potent influence on respiration and is strictly regulated. Under...
01:22Physiology 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: