猪上腺皮质细胞外基质的蛋白质组分析
Jean Lucas Kremer1, Henrique Sanchez Ortega1, Talita Souza-Siqueira2
1Institute of Biomedical Sciences, Department of Anatomy, University of São Paulo, São Paulo, Av. Prof. Lineu Prestes, 2415, Butantã, São Paulo, SP 05508-000, Brazil.
Journal of proteome research
|June 10, 2025
概括
这项研究分析了猪上腺皮质中的细胞外基质 (ECM),揭示了外和内部分的不同蛋白质组成. 猪可以作为一个有价值的生物医学模型用于翻译研究.
科学领域:
- 生物化学 生物化学
- 蛋白质组学是指蛋白质组学
- 细胞生物学 细胞生物学
背景情况:
- 细胞外基质 (ECM) 对组织结构和功能至关重要.
- 了解上腺皮层ECM对于生理学和疾病研究至关重要.
研究的目的:
- 综合分析和比较猪上皮层外部和内部部分的ECM蛋白质配置.
- 为了确定这些区域之间存在差异的特定ECM组件.
- 评估猪作为上腺研究的生物医学模型的潜力.
主要方法:
- 猪上皮的脱细胞化外部 (OF) 和内部 (IF) 部分的蛋白质组分析.
- 识别和量化ECM蛋白质,包括原蛋白,糖蛋白和蛋白质糖.
- 在OF和IF之间以及跨物种 (猪,老鼠,人类) 的ECM蛋白质丰度的比较分析.
主要成果:
- 鉴定了940种ECM蛋白,形成了猪上腺母体.
- 在OF和IF中具有不同的ECM配置文件,其中16种蛋白质是OF特有的,21种是IF特有的.
- 在OF中,Lamc1,Perlecan和Tgm2等特定蛋白质更为丰富,而在IF中,原蛋白和其他ECM蛋白质更为丰富.
- 猪上腺ECM蛋白分布不同于老鼠和人类,在内部部分的丰度更高.
结论:
- 猪上腺皮层表现出独特的和区域不同的ECM组成.
- 猪,老鼠和人类之间ECM分布的差异突出了特定物种的差异.
- 这些发现支持猪作为上腺生物学转化医学研究的相关模型的实用性.
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