GENSOUS, Noemie; BLANCO, Patrick; LAZARO, Estibaliz; MERCIE, Patrick; PELLEGRIN, Isabelle; RICHEZ, Christophe; DUFFAU, Pierre

doi:10.1177/09612033221130976

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GENSOUS, Noemie
Immunology from Concept and Experiments to Translation = Immunologie Conceptuelle, Expérimentale et Translationnelle [ImmunoConcept]

BLANCO, Patrick

Immunology from Concept and Experiments to Translation = Immunologie Conceptuelle, Expérimentale et Translationnelle [ImmunoConcept]

LAZARO, Estibaliz

Immunology from Concept and Experiments to Translation = Immunologie Conceptuelle, Expérimentale et Translationnelle [ImmunoConcept]

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Lupus. 2023, vol. 32, n° 1, p. 129-135

Résumé en anglais

Objective: Despite an important increase in lifespan over the last decades, patients with systemic lupus erythematosus (SLE) still have to face a high morbi-mortality, particularly related to cardiovascular diseases, infections and cancers. Such events are more commonly found during old age in the general population, raising the hypothesis of an acceleration of the aging process in SLE patients. In this pilot study, we wanted to test the hypothesis that SLE would be associated with an accelerated biological aging measured by the epigenetic clocks models. Methods: We applied DNA methylation-based biomarkers of age in publicly available datasets of SLE patients. For every SLE patient and control included in the dataset, we calculated their epigenetic age and a measure of epigenetic age acceleration, according to Horvath’s epigenetic clock model. Results: We included in our analysis two distinct DNA methylation datasets of 30 subjects (among which 15 with SLE) and 55 subjects (among which 30 with SLE), respectively. In both datasets, there was a statistically significant correlation between chronological age and epigenetic age. We did not observe any statistically significant difference in the measure of epigenetic age acceleration between SLE patients and controls. Conclusion: We did not observe any evidence of an accelerated biological aging in SLE patients, according to Horvath’s epigenetic clock model.< Réduire

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Systemic lupus erythematosus

Aging

Biomarkers

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Pilot study on accelerated aging in lupus using epigenetic biomarkers of age

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