在表达涉及大脑脊髓液分泌的膜蛋白的循环依赖性性别差异,在老鼠状
Ida Marchen Egerod Israelsen1, Christina Kamp-Jensen1, Connar Stanley James Westgate1
1Danish Headache Center, Department of Neurology, Glostrup Research Institute, Rigshospitalet-Glostrup, University of Copenhagen, Nordstjernevej 42, 2600, Glostrup, Denmark.
BMC neuroscience
|November 9, 2023
概括
性激素影响大脑液体的调节. 这项研究发现,大脑脊髓液 (CSF) 载体在胆脉中的性别依赖差异受雌性大鼠雌性周期的影响.
科学领域:
- 神经科学是一个神经科学.
- 内分泌学 在内分泌学.
- 身体生理学 身体生理学
背景情况:
- 女性性别是大脑疾病的危险因素,包括内压升高 (ICP).
- 性激素可能会改变脑脊液 (CSF) 动态,可能会损害像异常性内高血压 (IIH) 这样的疾病中的ICP调节.
- 冠状腺 (CP) 产生CSF,激素变化可能会影响CSF分泌物载体,影响ICP.
研究的目的:
- 调查大鼠中CSF分泌物载体在CP的表达的性别依赖差异.
- 为了确定雌性大鼠的雌性周期阶段是否会影响这些载体的表达.
- 为了将输送体表达与血清类固醇激素水平相关联.
主要方法:
- 基因和蛋白质表达的主要载体 (例如,Aqp1,NKCC1,CAII,Atp1a1) 在雄性和雌性大鼠不同雌性周期阶段 (雌性和雌性) 的基因和蛋白质表达的比较.
- 测量了使用液态染色体协同质谱法 (LC-MS/MS) 的血清类固醇激素水平.
- 利用RT-qPCR和西部斑点分析来检测基因和蛋白质的表达.
主要成果:
- 在男性和雌性雌性 (ES) 之间观察到基因表达和类固醇水平的显著差异,但在男性和雌性雌性雌性 (MET) 之间没有.
- 在ES期间,与男性相比,女性的Aqp1表达较低,NKCC1表达较高. 碳酸无水酶II (CAII) 较低,而CAIII 在ES女性中较高.
- 与男性相比,ES女性的AQP1和CAII蛋白质水平降低,与血清激素水平相关.
结论:
- 状交叉体运输体表达取决于性别,并且受到雌性大鼠雌性周期的显著影响.
- 这些表达变化与循环中的类固醇激素水平有关.
- 这一发现为CSF载体的类固醇激素调节及其在IIH等CSF疾病中的作用提供了新的见解.
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