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相关概念视频

Allosteric Proteins-ATCase01:19

Allosteric Proteins-ATCase

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Binding sites linkages can regulate a protein's function.  For example, enzyme activity is often regulated through a feedback mechanism where the end product of the biochemical process serves as an inhibitor.
Aspartate transcarbamoylase (ATCase) is a cytosolic enzyme that catalyzes the condensation of L-aspartate and carbamoyl phosphate to  N-carbamoyl-L-aspartate. This reaction is the first step in pyrimidine biosynthesis. UTP and CTP, the end products of the pyrimidine synthesis...
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在初级阿尔多三中ATP2A3:基于机器学习的发现和功能验证

Zhuolun Sun1, Elisabeth Kemter2, Yingxian Pang1

  • 1Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, Ludwig-Maximilians-Universität München, Germany (Z.S., Y.P., M.B., M.R., T.A.W.).

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概括

机器学习识别了ATP2A3作为阿尔多生成腺瘤 (APA) 的关键基因. 该基因调节CYP11B2的表达和阿尔多素的产生,为原发性阿尔多素主义提供了潜在的新治疗点.

关键词:
腺瘤腺瘤是一种上腺腺腺体是什么阿尔多斯氨酸是一种阿尔多斯氨酸.运输的ATPases可以运输.基因表达分析 基因表达分析过高阿尔多斯特主义矿物质皮质类质.

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科学领域:

  • 内分泌学 在内分泌学.
  • 生物信息学是一种生物信息学.
  • 分子生物学分子生物学

背景情况:

  • 产生阿尔多斯特的腺瘤 (APA) 是阿尔多斯特的主要原因,可能导致心血管问题.
  • 机器学习 (ML) 提供了先进的生物信息学工具,用于识别生物医学研究中的疾病生物标志物.

研究的目的:

  • 利用ML在APA中发现新生物标志物.
  • 阐明APAs背后的新病理生理机制.

主要方法:

  • 将两种ML算法应用于RNA测序数据以识别APA特征基因.
  • 使用APA组织,空间转录组学,猪上腺腺体和体外细胞测试的验证结果.

主要成果:

  • 确定ATP2A3作为关键的APA特征基因,通过空间转录组学证实.
  • 在APA中观察到ATP2A3上调;血管新生素II在人体细胞中增加了其表达.
  • 抑制ATP2A3降低了CYP11B2的表达和阿尔多斯的分泌,由 (Ca2+) 调节.
  • 在猪中饮食限制增加了ATP2A3水平.

结论:

  • ATP2A3在APA中高度表达,并充当CYP11B2和阿尔多素生产的关键调节者.
  • 研究结果表明ATP2A3是原发性阿尔多斯特主义的潜在治疗点.