相关实验视频

Updated: Sep 17, 2025

An In Vitro Approach to Study Mitochondrial Dysfunction: A Cybrid Model

An In Vitro Approach to Study Mitochondrial Dysfunction: A Cybrid Model

Published on: March 9, 2022

患有急性呼吸应急综合征的新生儿血线粒体DNA的动态变化

Xiaoping Fan¹, Jiang Junsheng¹

¹Department of Pediatrics, Linping Branch, The Second Affiliated Hospital of Zhejiang University, Hangzhou, China.

Fetal and pediatric pathology

|July 3, 2025

概括

线粒体DNA (mtDNA) 水平和炎症标志物在患有急性呼吸困扰综合征 (ARDS) 的新生儿中升高. 这些发现表明mtDNA激活了cGAS/STING通路,导致ARDS患者的炎症.

科学领域:

新生儿医学新生儿医学
免疫学免疫学免疫学
分子生物学分子生物学

背景情况:

新生儿急性呼吸窘迫综合征 (ARDS) 是一种关键性疾病,需要进一步了解其潜在机制.
线粒体功能障碍和炎症都与ARDS的发病有关.

研究的目的:

为了研究 ARDS 的新生儿的血线粒体DNA (mtDNA) 水平.
分析mtDNA水平与炎症标志物之间的相关性,包括cGAS-STING通路激活.

主要方法:

对ARDS新生儿和健康对照进行前性研究.
使用实时定量PCR量化血mtDNA的量化.
通过qPCR和ELISA测量cGAS-STING的mRNA和血清细胞因子 (IL-6,IL-23,IFN-γ).

主要成果:

与对照组相比,ARDS新生儿的血mtDNA,cGAS-STING mRNA,IL-6,IL-23和IFN-γ水平显著增加.
这些水平随着ARDS严重程度的增加而增加,并在疾病过程 (1日,3日和7日) 中显示出动态变化.
在mtDNA水平和炎症标志物之间观察到显著的正相关性.

结论:

线粒体DNA (mtDNA) 在新生儿ARDS病变发生过程中发挥着潜在的作用.
mtDNA可以通过激活cGAS/STING信号通路来触发炎症反应,从而导致炎症媒介的产生.

关键词:

急性呼吸困扰综合征是什么 cGAS-STING的mRNA可以使用.线粒体DNA是线粒体DNA的组成部分.这是新生儿新生儿.

更多相关视频

Genotyping Single Nucleotide Polymorphisms in the Mitochondrial Genome by Pyrosequencing

Genotyping Single Nucleotide Polymorphisms in the Mitochondrial Genome by Pyrosequencing

Published on: February 10, 2023

Methodology for Accurate Detection of Mitochondrial DNA Methylation

Methodology for Accurate Detection of Mitochondrial DNA Methylation

Published on: May 20, 2018

相关概念视频

Animal Mitochondrial Genetics

Animal Mitochondrial Genetics

Among all the organelles in an animal cell, only mitochondria have their own independent genomes. Animal mitochondrial DNA is a double-stranded, closed-circular molecule with around 20,000 base pairs. Mitochondrial DNA is unique in that one of its two strands, the heavy, or H, -strand is guanine rich, whereas the complementary strand is cytosine rich and called the light, or L, -strand. Compared to nuclear DNA, mitochondrial DNA has a very low percentage of non-coding regions and is marked by...

Mitochondrial Membranes

Mitochondrial Membranes

A single mitochondrion is a bean-shaped organelle enclosed by a double-membrane system. The outer membrane of mitochondria is smooth and contains many porins - the integral membrane transporters. Porins enable free diffusion of ions and small uncharged molecules through the outer mitochondrial membrane but limit the transport of molecules larger than 5000 Daltons. Further, the outer mitochondrial membrane forms a unique structure called membrane contact sites with other subcellular organelles,...