Oxidative stress, genomic features and DNA repair in frail elderly: A systematic review

María Sánchez-Flores, Diego Marcos-Pérez, Solange Costa, João Paulo Teixeira, Stefano Bonassi, Eduardo Pásaro, Blanca Laffon, Vanessa Valdiglesias

Research output: Contribution to journalReview article

Abstract

Frailty is an emerging geriatric syndrome characterized by higher vulnerability to stressors, with an increased risk of adverse health outcomes such as mortality, morbidity, disability, hospitalization, and institutionalization. Although it is generally recognized to have a biological basis, no particular biological trait has been consistently associated to frailty status so far. In this work, epidemiological studies evaluating association of frailty status with alterations at cellular level − namely oxidative stress, genomic instability and DNA damage and repair biomarkers −were revised and compared. A total of 25 studies fulfilled inclusion/exclusion criteria and, consequently, were included in the review. Variations of oxidative stress biomarkers were often associated to frailty status in older people. On the contrary, genomic instability seems not to be linked to frailty. The only study which addressed the possible relationship between DNA repair modulations and frailty status also failed in finding association. Despite the large number of cellular alterations known to be associated with frailty, studies on this issue are still very scarce and limited to some of the possible cellular targets. The established link between DNA repair, genomic instability, and age and age-related disorders, encourage deeper investigations on this line.

Original languageEnglish
Pages (from-to)1-15
Number of pages15
JournalAgeing Research Reviews
Volume37
DOIs
Publication statusPublished - Aug 1 2017

Fingerprint

Frail Elderly
Oxidative stress
Genomic Instability
DNA Repair
Oxidative Stress
Repair
Biomarkers
DNA
Geriatrics
Association reactions
Institutionalization
DNA Damage
Epidemiologic Studies
Hospitalization
Modulation
Health
Morbidity
Mortality

Keywords

  • Cellular biomarkers
  • DNA repair
  • Elderly
  • Frailty
  • Genomic instability
  • Oxidative stress

ASJC Scopus subject areas

  • Biotechnology
  • Biochemistry
  • Ageing
  • Molecular Biology
  • Neurology

Cite this

Sánchez-Flores, M., Marcos-Pérez, D., Costa, S., Teixeira, J. P., Bonassi, S., Pásaro, E., ... Valdiglesias, V. (2017). Oxidative stress, genomic features and DNA repair in frail elderly: A systematic review. Ageing Research Reviews, 37, 1-15. https://doi.org/10.1016/j.arr.2017.05.001

Oxidative stress, genomic features and DNA repair in frail elderly : A systematic review. / Sánchez-Flores, María; Marcos-Pérez, Diego; Costa, Solange; Teixeira, João Paulo; Bonassi, Stefano; Pásaro, Eduardo; Laffon, Blanca; Valdiglesias, Vanessa.

In: Ageing Research Reviews, Vol. 37, 01.08.2017, p. 1-15.

Research output: Contribution to journalReview article

Sánchez-Flores, M, Marcos-Pérez, D, Costa, S, Teixeira, JP, Bonassi, S, Pásaro, E, Laffon, B & Valdiglesias, V 2017, 'Oxidative stress, genomic features and DNA repair in frail elderly: A systematic review', Ageing Research Reviews, vol. 37, pp. 1-15. https://doi.org/10.1016/j.arr.2017.05.001
Sánchez-Flores, María ; Marcos-Pérez, Diego ; Costa, Solange ; Teixeira, João Paulo ; Bonassi, Stefano ; Pásaro, Eduardo ; Laffon, Blanca ; Valdiglesias, Vanessa. / Oxidative stress, genomic features and DNA repair in frail elderly : A systematic review. In: Ageing Research Reviews. 2017 ; Vol. 37. pp. 1-15.
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