Идентификация митохондриального номера ДНК в качестве биомаркера для разработки нейродегенеративных заболеваний: свидетельства из анализа случайности Менделиан.
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Lei Shizhen, Liu Yani
Аннотация
Оригинал публикации
Identifying blood mitochondrial DNA copy number as a biomarker for development of neurodegenerative diseases: Evidence from Mendelian randomization analysis.
Mitochondrial dysfunction has been associated with neurodegenerative diseases (NDDs). This study aimed to explore the association between blood mitochondrial DNA copy number (mtDNA-CN) and development of NDDs. This study was based on two-sample Mendelian randomization (MR) analysis. The genome wide association study (GWAS) data of NDDs including Alzheimer's disease (AD), amyotrophic lateral sclerosis (ALS), age-related macular degeneration (AMD), multiple sclerosis (MS), Parkinson's disease (PD), primary open-angle glaucoma (POAG), and vascular dementia (VD) was obtained from FinnGen consortium. Inverse-variance weighted (IVW) was applied as the primary approach for MR estimation. MR results revealed that blood mtDNA-CN exhibited a significant relationship with the incidence of AD (IVW-P = 0.011, odds ratio [OR] = 0.65) and AMD (IVW-P = 0.038, OR = 0.64). However, there was no significant association observed between blood mtDNA-CN and other NDDs (IVW-P > 0.05). Our findings supported the relationship between mitochondrial dysfunction and development of AD and AMD, and that blood mtDNA-CN may serve as a potential biomarker for the incidence of these two NDDs.