相关实验视频

Updated: May 15, 2025

Author Spotlight: Semi-Automated Isolation of the Stromal Vascular Fraction from Murine White Adipose Tissue Using a Tissue Dissociator

Author Spotlight: Semi-Automated Isolation of the Stromal Vascular Fraction from Murine White Adipose Tissue Using a Tissue Dissociator

Published on: May 19, 2023

人类先天性泛性脂质变的血液转录组

Leonardo C Ferreira^1,2, Josivan G Lima³, Carolina O Mendes-Aguiar⁴

¹Department of Biochemistry, Federal University of Rio Grande do Norte, Natal, Brazil. leonardo.ferreira@ufrn.br.

|May 13, 2025

概括

在CGL1和CGL2.2之间,先天性泛性脂质变化 (CGL) 基因表达有所不同. CGL2 患者和携带者表现出基因表达的改变,这表明异构卵子中存在潜在的心血管风险.

科学领域:

遗传学是一个遗传学.
分子生物学分子生物学
人体生理学人体生理学

背景情况:

先天性泛性脂质变 (CGL),或贝拉迪内利-赛普综合征,是一种罕见的衰退性遗传疾病.
CGL的特点是脂肪组织的广泛损失,导致胰岛素耐药性和肝硬化等代谢并发症.
在CGL背后的精确分子机制,特别是涉及AGPAT2 (CGL1) 和BSCL2 (CGL2) 突变,需要进一步阐明.

研究的目的:

研究CGL1和CGL2个体的基因表达特征,以及未受影响的BSCL2异构体.
确定差异表达基因 (DEGs) 和它们与CGL.中的临床表型的关联.
探索CGL亚型,基因表达和代谢功能障碍之间的潜在分子联系.

主要方法:

来自CGL1,CGL2患者,BSCL2异构成体 (HET) 和健康对照 (CTRL) 的血细胞转录组的分析.
使用密度计对身体组成进行定量评估.
测量血清生物化学参数和促炎性细胞因子,包括TNF和IL10.

主要成果:

CGL1基因表达与对照基因相似,可能是由于补偿性AGPAT异型活性.
CGL2表现出283个DEG,富含神经退行性和线粒体通路;NUAK2表达与脂肪质量负相关.
HET组显示了105个DEG,OLR1显著上调,TNF升高和IL10信号减少.

结论:

无论是CGL2患者还是他们的未受影响的BSCL2异胞亲属,都表现出异常的基因表达模式.
这些发现表明,可能需要进一步调查与BSCL2突变异性相关的心血管风险.
了解这些分子变化对于管理CGL及其相关并发症至关重要.

关键词:

在 AGPAT2 中使用 AGPAT2.在 BSCL2 的基础上.贝拉迪内利-塞伊普综合征是什么?基因表达基因表达基因表达脂质缩症 (Lipodystrophy) 是一种体质缩症.

更多相关视频

Adipocyte-Specific ATAC-Seq with Adipose Tissues Using Fluorescence-Activated Nucleus Sorting

Adipocyte-Specific ATAC-Seq with Adipose Tissues Using Fluorescence-Activated Nucleus Sorting

Published on: March 17, 2023

Human Adipose Tissue Micro-fragmentation for Cell Phenotyping and Secretome Characterization

Human Adipose Tissue Micro-fragmentation for Cell Phenotyping and Secretome Characterization

Published on: October 20, 2019

相关概念视频

Overview of Lipid Metabolism

Overview of Lipid Metabolism

Lipid metabolism is a crucial process in the human body that involves the synthesis and degradation of lipids. This process is essential for energy production, cell membrane formation, and hormone production, among other functions.
Lipolysis: The Breakdown of Lipids:
Lipolysis is the process of breaking down lipids, particularly triglycerides, into glycerol and fatty acids. This process typically occurs in the adipose tissue and is triggered by various hormones, including glucagon and...

General Transcription Factors

General Transcription Factors

Tissue-specific transcription factors contribute to diverse cellular functions in mammals. For example, the gene for beta globin, a major component of hemoglobin, is present in all cells of the body. However, it is only expressed in red blood cells because the transcription factors that can bind to the promoter sequences of the beta globin gene are only expressed in these cells. Tissue-specific transcription factors also ensure that mutations in these factors may impair only the function of...