Aging and the impact of global DNA methylation, telomere shortening, and total oxidative status on sarcopenia and frailty syndrome.

IF 5.2 2区 医学 Q1 GERIATRICS & GERONTOLOGY
Tomasz Kmiołek, Gabriela Filipowicz, Diana Bogucka, Anna Wajda, Adam Ejma-Multański, Barbara Stypińska, Ewa Modzelewska, Yana Kaliberda, Marcin Radkowski, Tomasz Targowski, Julia Wrona, Agnieszka Paradowska-Gorycka
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引用次数: 0

Abstract

Aging is a biological event that influences many organs and systems. Both sarcopenia and frailty syndrome refer to geriatric conditions with overlapping phenotypes. Many mechanisms are involved in the aging process such as DNA methylation telomeres which are susceptible to oxidative stress, and inflammations which result in telomere shortening, leading to chromosomal instability. The study aimed to determine the associations between these processes, frailty and sarcopenia syndrome. Global DNA methylation was analyzed using the ELISA method. Telomere length was analyzed using qPCR. Total oxidative status (TOS) was analyzed using a colorimetric method. The present study revealed that the main factor affecting methylation, telomeres length and level of total oxidant stress was age.

衰老和整体DNA甲基化、端粒缩短和总氧化状态对肌肉减少症和虚弱综合征的影响。
衰老是一种影响许多器官和系统的生物事件。肌肉减少症和虚弱综合征都是指具有重叠表型的老年疾病。衰老过程涉及许多机制,如易受氧化应激影响的DNA甲基化端粒,以及导致端粒缩短的炎症,导致染色体不稳定。该研究旨在确定这些过程、虚弱和肌肉减少综合症之间的关系。采用ELISA法分析整体DNA甲基化。采用qPCR分析端粒长度。用比色法分析总氧化状态(TOS)。本研究表明,影响甲基化、端粒长度和总氧化应激水平的主要因素是年龄。
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来源期刊
Immunity & Ageing
Immunity & Ageing GERIATRICS & GERONTOLOGY-IMMUNOLOGY
CiteScore
10.20
自引率
3.80%
发文量
55
期刊介绍: Immunity & Ageing is a specialist open access journal that was first published in 2004. The journal focuses on the impact of ageing on immune systems, the influence of aged immune systems on organismal well-being and longevity, age-associated diseases with immune etiology, and potential immune interventions to increase health span. All articles published in Immunity & Ageing are indexed in the following databases: Biological Abstracts, BIOSIS, CAS, Citebase, DOAJ, Embase, Google Scholar, Journal Citation Reports/Science Edition, OAIster, PubMed, PubMed Central, Science Citation Index Expanded, SCImago, Scopus, SOCOLAR, and Zetoc.
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