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The effects of ageing, BMI and physical activity on blood IL-15 levels: A systematic review and meta-analyses.
Prado, Guilherme Henrique Jesus do; Sardeli, Amanda Veiga; Lord, Janet Mary; Cavaglieri, Cláudia Regina.
Afiliação
  • Prado GHJD; Laboratory of Exercise Physiology, School of Physical Education, University of Campinas, Campinas, SP, Brazil.
  • Sardeli AV; Laboratory of Exercise Physiology, School of Physical Education, University of Campinas, Campinas, SP, Brazil; Gerontology Program, School of Medical Sciences, University of Campinas, Campinas, SP, Brazil; MRC-Versus Arthritis Centre for Musculoskeletal Ageing Research, Institute of Inflammation and
  • Lord JM; MRC-Versus Arthritis Centre for Musculoskeletal Ageing Research, Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK; NIHR Birmingham Biomedical Research Centre, University Hospital Birmingham and University of Birmingham, Birmingham, UK.
  • Cavaglieri CR; Laboratory of Exercise Physiology, School of Physical Education, University of Campinas, Campinas, SP, Brazil; Gerontology Program, School of Medical Sciences, University of Campinas, Campinas, SP, Brazil.
Exp Gerontol ; 168: 111933, 2022 10 15.
Article em En | MEDLINE | ID: mdl-36007720
AIM: The purpose of the study was to test the effect of ageing, BMI, physical activity and chronic exercise on IL-15 blood concentration by meta-analyses of the literature. METHODS: The search was performed on PubMed/MEDLINE, Web of Science, ProQuest, Embase and Cochrane databases. First meta-analysis compared blood IL-15 of healthy adults across three age groups (<35 years, 35-65 years, and >65 years), considering BMI as confounding factor; the second compared IL-15 levels between physically active and non-physically active individuals (cross-sectional studies); and the third tested the effect of chronic exercise interventions on blood IL-15 levels on participants of any age, sex, and health condition. RESULTS: From 2582 studies retrieved, 67 were selected for the three meta-analyses (age effect: 59; physical activity cross-sectional effect: 5; chronic exercise effect: 14). Older adults had lower blood IL-15 than young and middle-aged adults (5.30 pg/ml [4.76; 5.83]; 7.11 pg/ml [6.33; 7.88]; 7.10 pg/ml [5.55; 8.65], respectively). However, the subgroup of overweight older adults had higher IL-15 than young and middle aged overweight adults; Habitual physical activity did not affect blood IL-15 (standardized mean difference [SMD] 0.61 [-0.65; 1.88], p = 0.34); Chronic exercise reduced blood IL-15 in short-term interventions (<16 weeks) (SMD -0.14 [-0.27; -0.01], p = 0.04), but not studies of >16 weeks of intervention (SMD 0.44 [-0.26; 1.15], p = 0.22). CONCLUSION: The present meta-analyses highlight the complex interaction of age, BMI and physical activity on blood IL-15 and emphasize the need to take these factors into account when considering the role of this myokine in health throughout life.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Interleucina-15 / Sobrepeso Tipo de estudo: Observational_studies / Prevalence_studies / Risk_factors_studies / Systematic_reviews Aspecto: Patient_preference Limite: Aged / Humans / Middle aged Idioma: En Revista: Exp Gerontol Ano de publicação: 2022 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Interleucina-15 / Sobrepeso Tipo de estudo: Observational_studies / Prevalence_studies / Risk_factors_studies / Systematic_reviews Aspecto: Patient_preference Limite: Aged / Humans / Middle aged Idioma: En Revista: Exp Gerontol Ano de publicação: 2022 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido