肠道状细胞被丰富了原始甲素
Rachel Stubler1, Sarah A Dooley1, Rachel Edens1
1Department of Regenerative Medicine & Cell Biology, Medical University of South Carolina, Charleston, SC.
概括
肠细胞利用原cadherin,特别是CDHR2和CDHR5,来组织它们独特的尖端微. 这些发现揭示了对小鼠和人类状细胞功能至关重要的关键结构成分.
科学领域:
- 胃肠道学和细胞生物学
- 分子和细胞生物学分子和细胞生物学
- 免疫学 免疫学 免疫学
背景情况:
- 肠细胞是免疫信号传递至关重要的罕见的化学传感细胞.
- 它们的角微细胞结构对于功能至关重要,但尚未完全理解.
- 微小体间粘附复合体 (IMAC) 稳定了其他肠道细胞中的微小体.
研究的目的:
- 研究IMACs在肠细胞微组织中的作用.
- 为了确定参与维护细胞结构的特定蛋白质.
- 为了比较小鼠和人类细胞中的蛋白质局部化.
主要方法:
- 关于小鼠和人类肠道组织的免疫组织化学.
- 使用已知状细胞标记物的同位化研究 (DCLK1,-EGFR,阿维西林,细胞克拉丁18).
- 人体肠道细胞的单细胞RNA测序.
主要成果:
- 在细胞中发现了卡德林相关家族成员-2 (CDHR2) 和卡德林相关家族成员-5 (CDHR5).
- 在小鼠肠道中,CDHR2和CDHR5与状细胞标记物结合.
- 人类单细胞数据和免疫染证实了CDHR2和CDHR5的存在以及人类细胞中的顶端定位.
- 艾舍尔综合征1型C (USH1C) 和肌肉素7b存在,但不那么丰富.
结论:
- 原素,特别是CDHR2和CDHR5,是肠细胞的重要组成部分.
- 这些蛋白质可能在组织状细胞的角微中发挥关键作用.
- 这些发现在小鼠和人类肠道细胞中得到保存.
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