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Genome-wide meta-analysis uncovers novel loci influencing circulating leptin levels.

Publication ,  Journal Article
Kilpeläinen, TO; Carli, JFM; Skowronski, AA; Sun, Q; Kriebel, J; Feitosa, MF; Hedman, ÅK; Drong, AW; Hayes, JE; Zhao, J; Pers, TH; Schick, U ...
Published in: Nat Commun
February 1, 2016

Leptin is an adipocyte-secreted hormone, the circulating levels of which correlate closely with overall adiposity. Although rare mutations in the leptin (LEP) gene are well known to cause leptin deficiency and severe obesity, no common loci regulating circulating leptin levels have been uncovered. Therefore, we performed a genome-wide association study (GWAS) of circulating leptin levels from 32,161 individuals and followed up loci reaching P<10(-6) in 19,979 additional individuals. We identify five loci robustly associated (P<5 × 10(-8)) with leptin levels in/near LEP, SLC32A1, GCKR, CCNL1 and FTO. Although the association of the FTO obesity locus with leptin levels is abolished by adjustment for BMI, associations of the four other loci are independent of adiposity. The GCKR locus was found associated with multiple metabolic traits in previous GWAS and the CCNL1 locus with birth weight. Knockdown experiments in mouse adipose tissue explants show convincing evidence for adipogenin, a regulator of adipocyte differentiation, as the novel causal gene in the SLC32A1 locus influencing leptin levels. Our findings provide novel insights into the regulation of leptin production by adipose tissue and open new avenues for examining the influence of variation in leptin levels on adiposity and metabolic health.

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Published In

Nat Commun

DOI

EISSN

2041-1723

Publication Date

February 1, 2016

Volume

7

Start / End Page

10494

Location

England

Related Subject Headings

  • Tissue Culture Techniques
  • RNA, Messenger
  • Mice
  • Male
  • Leptin
  • Genome-Wide Association Study
  • Gene Knockdown Techniques
  • Gene Expression Regulation
  • Animals
  • Adipose Tissue
 

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Kilpeläinen, T. O., Carli, J. F. M., Skowronski, A. A., Sun, Q., Kriebel, J., Feitosa, M. F., … Loos, R. J. F. (2016). Genome-wide meta-analysis uncovers novel loci influencing circulating leptin levels. Nat Commun, 7, 10494. https://doi.org/10.1038/ncomms10494
Kilpeläinen, Tuomas O., Jayne F Martin Carli, Alicja A. Skowronski, Qi Sun, Jennifer Kriebel, Mary F. Feitosa, Åsa K. Hedman, et al. “Genome-wide meta-analysis uncovers novel loci influencing circulating leptin levels.Nat Commun 7 (February 1, 2016): 10494. https://doi.org/10.1038/ncomms10494.
Kilpeläinen TO, Carli JFM, Skowronski AA, Sun Q, Kriebel J, Feitosa MF, et al. Genome-wide meta-analysis uncovers novel loci influencing circulating leptin levels. Nat Commun. 2016 Feb 1;7:10494.
Kilpeläinen, Tuomas O., et al. “Genome-wide meta-analysis uncovers novel loci influencing circulating leptin levels.Nat Commun, vol. 7, Feb. 2016, p. 10494. Pubmed, doi:10.1038/ncomms10494.
Kilpeläinen TO, Carli JFM, Skowronski AA, Sun Q, Kriebel J, Feitosa MF, Hedman ÅK, Drong AW, Hayes JE, Zhao J, Pers TH, Schick U, Grarup N, Kutalik Z, Trompet S, Mangino M, Kristiansson K, Beekman M, Lyytikäinen L-P, Eriksson J, Henneman P, Lahti J, Tanaka T, Luan J, Del Greco M F, Pasko D, Renström F, Willems SM, Mahajan A, Rose LM, Guo X, Liu Y, Kleber ME, Pérusse L, Gaunt T, Ahluwalia TS, Ju Sung Y, Ramos YF, Amin N, Amuzu A, Barroso I, Bellis C, Blangero J, Buckley BM, Böhringer S, I Chen Y-D, de Craen AJN, Crosslin DR, Dale CE, Dastani Z, Day FR, Deelen J, Delgado GE, Demirkan A, Finucane FM, Ford I, Garcia ME, Gieger C, Gustafsson S, Hallmans G, Hankinson SE, Havulinna AS, Herder C, Hernandez D, Hicks AA, Hunter DJ, Illig T, Ingelsson E, Ioan-Facsinay A, Jansson J-O, Jenny NS, Jørgensen ME, Jørgensen T, Karlsson M, Koenig W, Kraft P, Kwekkeboom J, Laatikainen T, Ladwig K-H, LeDuc CA, Lowe G, Lu Y, Marques-Vidal P, Meisinger C, Menni C, Morris AP, Myers RH, Männistö S, Nalls MA, Paternoster L, Peters A, Pradhan AD, Rankinen T, Rasmussen-Torvik LJ, Rathmann W, Rice TK, Brent Richards J, Ridker PM, Sattar N, Savage DB, Söderberg S, Timpson NJ, Vandenput L, van Heemst D, Uh H-W, Vohl M-C, Walker M, Wichmann H-E, Widén E, Wood AR, Yao J, Zeller T, Zhang Y, Meulenbelt I, Kloppenburg M, Astrup A, Sørensen TIA, Sarzynski MA, Rao DC, Jousilahti P, Vartiainen E, Hofman A, Rivadeneira F, Uitterlinden AG, Kajantie E, Osmond C, Palotie A, Eriksson JG, Heliövaara M, Knekt PB, Koskinen S, Jula A, Perola M, Huupponen RK, Viikari JS, Kähönen M, Lehtimäki T, Raitakari OT, Mellström D, Lorentzon M, Casas JP, Bandinelli S, März W, Isaacs A, van Dijk KW, van Duijn CM, Harris TB, Bouchard C, Allison MA, Chasman DI, Ohlsson C, Lind L, Scott RA, Langenberg C, Wareham NJ, Ferrucci L, Frayling TM, Pramstaller PP, Borecki IB, Waterworth DM, Bergmann S, Waeber G, Vollenweider P, Vestergaard H, Hansen T, Pedersen O, Hu FB, Eline Slagboom P, Grallert H, Spector TD, Jukema JW, Klein RJ, Schadt EE, Franks PW, Lindgren CM, Leibel RL, Loos RJF. Genome-wide meta-analysis uncovers novel loci influencing circulating leptin levels. Nat Commun. 2016 Feb 1;7:10494.

Published In

Nat Commun

DOI

EISSN

2041-1723

Publication Date

February 1, 2016

Volume

7

Start / End Page

10494

Location

England

Related Subject Headings

  • Tissue Culture Techniques
  • RNA, Messenger
  • Mice
  • Male
  • Leptin
  • Genome-Wide Association Study
  • Gene Knockdown Techniques
  • Gene Expression Regulation
  • Animals
  • Adipose Tissue