相关实验视频

Updated: May 6, 2026

Single-cell Profiling of Developing and Mature Retinal Neurons

Single-cell Profiling of Developing and Mature Retinal Neurons

Published on: April 19, 2012

通过整合单细胞和微切割的管状片段转录组,在老鼠脏中分析细胞异质性和果糖载体表达

Ronghao Zhang^1,2,3, Darshan Aatmaram Jadhav¹, Najeong Kim¹

¹Department of Physiology and Biophysics, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA.

International journal of molecular sciences

|March 13, 2024

概括

单细胞RNA测序可以掩盖脏研究中的细胞多样性. 这项研究揭示了S3段是大鼠和人类果糖再吸收的主要部位,挑战了目前的细胞聚类解释.

科学领域:

腎臟病學 (nephrology) 是一種醫學.
分子生物学分子生物学
生理学生理学生理学

背景情况:

单细胞RNA测序 (scRNAseq) 对脏研究至关重要,但可以分组多种细胞,掩盖脏部分异质性.
饮食中的果糖有助于高血压,部分是通过近道管 (PT) 的再吸收,但PT内的果糖输送器组织尚不清楚.

研究的目的:

通过近端管子子段 (S1,S2,S3) 调查四个顶端果糖运输体的异质表达模式.
在脏中确定果糖再吸收的主要部位.

主要方法:

使用公开可用的scRNAseq和小管微解剖数据对老鼠转录和蛋白质的分析.
在PT段中量化果糖载体表达 (SGLT4,SGLT5,GLUT5,NaGLT1).
鼠和人类脏之间的传送体表达模式的比较.

主要成果:

鼠的PT段显示出混合的转录特征,S3段主要表达S3转录.
在所有PT段中检测到所有四种果糖载体,SGLT5和GLUT5从S1显著增加到S3.
在S3段中,关键的果糖输送物SGLT5和GLUT5的表达率最高,这表明它是主要的再吸收部位,这种模式反映在人类脏中.

结论:

在老鼠和人类中,S3段被确定为果糖再吸收的主要部位.
细胞群的scRNAseq衍生的解剖学标签可能是误导性的,因为脏片段内固有的细胞异质性.
这些发现强调了在脏研究中考虑细胞异质性的重要性,以及了解果糖代谢.

关键词:

SGLT2 抑制剂的使用.六合体是指六合体.对盐敏感的高血压.糖运输糖运输糖运输

更多相关视频

Isolation, Characterization, And High Throughput Extracellular Flux Analysis of Mouse Primary Renal Tubular Epithelial Cells

Isolation, Characterization, And High Throughput Extracellular Flux Analysis of Mouse Primary Renal Tubular Epithelial Cells

Published on: June 20, 2018

Nuclei Isolation from Adult Mouse Kidney for Single-Nucleus RNA-Sequencing

Nuclei Isolation from Adult Mouse Kidney for Single-Nucleus RNA-Sequencing

Published on: September 20, 2021

相关概念视频

Transcellular Transport of Solutes

Transcellular Transport of Solutes

Transcellular transport of solutes is the movement of substances like monosaccharides and amino acids through polarized cells. This transport mechanism is primarily seen in epithelial and endothelial cells aided by membrane transport proteins such as channels and transporters. The tight junctions between these cells confine the membrane proteins to the two sides of the cell. The epithelial cells have distinct apical and basolateral domains. In contrast, the endothelial cells show the luminal...