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Gielen, M.* ; Hageman, G.J.* ; Antoniou, E.E.* ; Nordfjall, K.* ; Mangino, M.* ; Balasubramanyam, M.* ; de Meyer, T.* ; Hendricks, A.E.* ; Giltay, E.J.* ; Hunt, S.C.* ; Nettleton, J.A.* ; Salpea, K.D.* ; Diaz, V.A.* ; Farzaneh-Far, R.* ; Atzmon, G.* ; Harris, S.E.* ; Hou, L.* ; Gilley, D.* ; Hovatta, I.* ; Kark, J.D.* ; Nassar, H.* ; Kurz, D.J.* ; Mather, K.A.* ; Willeit, P.* ; Zheng, Y.* ; Pavanello, S.* ; Demerath, E.W.* ; Rode, L.* ; Bunout, D.* ; Steptoe, A.* ; Boardman, L.* ; Marti, A.* ; Needham, B.* ; Zheng, W.* ; Ramsey-Goldman, R.* ; Pellatt, A.J.* ; Kaprio, J.* ; Hofmann, J.N.* ; Gieger, C. ; Paolisso, G.* ; Hjelmborg, J.B.H.* ; Mirabello, L.* ; Seeman, T.* ; Wong, J.A.* ; van der Harst, P.* ; Broer, L.* ; Kronenberg, F.* ; Kollerits, B.* ; Strandberg, T.E.* ; Eisenberg, D.T.A.* ; Duggan, C.* ; Verhoeven, J.E.* ; Schaakxs, R.* ; Zannolli, R.* ; dos Reis, R.M.R.* ; Charchar, F.J.* ; Tomaszewski, M.* ; Mons, U.* ; Demuth, I.* ; Molli, A.E.I.* ; Cheng, G.* ; Krasnienkov, D.* ; D'Antono, B.* ; Kasielski, M.* ; McDonnell, B.J.* ; Ebstein, R.P.* ; Sundquist, K.* ; Paré, G.* ; Chong, M.* ; Zeegers, M.P.* ; TELOMAAS group (Baumbach, C.) ; TELOMAAS group (Peters, A.) ; TELOMAAS group (Müller-Nurasyid, M.)

Body mass index is negatively associated with telomere length: A collaborative cross-sectional meta-analysis of 87 observational studies.

Am. J. Clin. Nutr. 108, 453-475 (2018)
Verlagsversion DOI PMC
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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Background: Even before the onset of age-related diseases, obesity might be a contributing factor to the cumulative burden of oxidative stress and chronic inflammation throughout the life course. Obesity may therefore contribute to accelerated shortening of telomeres. Consequently, obese persons are more likely to have shorter telomeres, but the association between body mass index (BMI) and leukocyte telomere length (TL) might differ across the life span and between ethnicities and sexes. Objective: A collaborative cross-sectional meta-analysis of observational studies was conducted to investigate the associations between BMI and TL across the life span. Design: Eighty-seven distinct study samples were included in the meta-analysis capturing data from 146,114 individuals. Study-specific age- and sex-adjusted regression coefficients were combined by using a random-effects model in which absolute [base pairs (bp)] and relative telomere to single-copy gene ratio (T/S ratio) TLs were regressed against BMI. Stratified analysis was performed by 3 age categories ("young": 18-60 y; "middle": 61-75 y; and "old": >75 y), sex, and ethnicity. Results: Each unit increase in BMI corresponded to a -3.99 bp (95% CI: -5.17, -2.81 bp) difference in TL in the total pooled sample; among young adults, each unit increase in BMI corresponded to a -7.67 bp (95% CI: -10.03, -5.31 bp) difference. Each unit increase in BMI corresponded to a -1.58 × 10-3 unit T/S ratio (0.16% decrease; 95% CI: -2.14 × 10-3, -1.01 × 10-3) difference in age- and sex-adjusted relative TL in the total pooled sample; among young adults, each unit increase in BMI corresponded to a -2.58 × 10-3 unit T/S ratio (0.26% decrease; 95% CI: -3.92 × 10-3, -1.25 × 10-3). The associations were predominantly for the white pooled population. No sex differences were observed. Conclusions: A higher BMI is associated with shorter telomeres, especially in younger individuals. The presently observed difference is not negligible. Meta-analyses of longitudinal studies evaluating change in body weight alongside change in TL are warranted.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Bmi ; Low-grade Inflammation ; Meta-analysis ; Obesity ; Observational Studies ; Telomere Length; Strong Heart Family; Helsinki Birth Cohort; Coronary-artery Calcification; Oxidative Dna-damage; Pulse-wave Velocity; Ii Base-ii; Cardiovascular-disease; American-indians; Cancer Risk; Insulin-resistance
Sprache englisch
Veröffentlichungsjahr 2018
HGF-Berichtsjahr 2018
ISSN (print) / ISBN 0002-9165
e-ISSN 1938-3207
Zeitschrift American Journal of Clinical Nutrition
Quellenangaben Band: 108, Heft: 3, Seiten: 453-475 Artikelnummer: , Supplement: ,
Verlag American Society for Nutrition
Verlagsort Great Clarendon St, Oxford Ox2 6dp, England
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Epidemiology (EPI)
Institute of Genetic Epidemiology (IGE)
POF Topic(s) 30202 - Environmental Health
30501 - Systemic Analysis of Genetic and Environmental Factors that Impact Health
Forschungsfeld(er) Genetics and Epidemiology
PSP-Element(e) G-504091-004
G-504000-010
G-504100-001
DOI 10.1093/ajcn/nqy107
WOS ID WOS:000444410100007
Scopus ID 85054190686
PubMed ID 30535086
Erfassungsdatum 2018-09-28
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