4.8 Article

Protein-altering variants associated with body mass index implicate pathways that control energy intake and expenditure in obesity

Journal

NATURE GENETICS
Volume 50, Issue 1, Pages 26-+

Publisher

NATURE PUBLISHING GROUP
DOI: 10.1038/s41588-017-0011-x

Keywords

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Funding

  1. NHMRC Practitioner Fellowship [APP1103329]
  2. NIH/NIDDK [K01DK107836]
  3. Wellcome Trust Senior Investigator [WT098395, WT098381]
  4. NIH Research Senior Investigator
  5. European Research Council [SZ-245 50371-GLUCOSEGENES-FP7-IDEAS-ERC, 323195, 293574]
  6. American Heart Association [13POST16500011, 13GRNT16490017]
  7. NIH [R01DK089256, R01DK101855, K99HL130580, R01DK106621, HL094535, HL109946, R01DK075787, R01HD057194, U01HG007416, 1R01HL092577, R01HL128914, K24HL105780, R01DK110113, U01HG007417, R01DK107786, K23HL114724]
  8. Doris Duke Medical Foundation
  9. University of Michigan Internal Medicine Department, Division of Gastroenterology
  10. University of Michigan Biological Sciences Scholars Program
  11. Central Society for Clinical Research
  12. Danish Diabetes Academy - Novo Nordisk Foundation
  13. Finnish Foundation for Cardiovascular Research
  14. Dekker scholarshipJunior Staff Member Netherlands Heart Foundation [2014T001]
  15. UCL Hospitals NIHR Biomedical Research Centre
  16. UK MRC [MC_UU_12013/1-9]
  17. University of Queensland
  18. QIMR Berghofer
  19. Montreal Heart Institute Foundation
  20. Canada Research Chair program
  21. BMBF [01ER1206, 01ER1507m]
  22. Max Planck Society
  23. NHLBI [R01DK089256, R21HL121422]
  24. Nuffield Department of Clinical Medicine Award
  25. Clarendon Scholarship
  26. NCI [R25CA94880, P30CA008748]
  27. Research Council of Norway
  28. University of Bergen
  29. KG Jebsen Foundation
  30. Helse Vest
  31. Norwegian Diabetes Association
  32. Established Investigator Award from the American Heart Association [13EIA14220013]
  33. Foundation Leducq [14CVD01]
  34. Doris Duke Charitable Foundation Clinical Scientist Development Award
  35. ERC Advanced Principal Investigator award
  36. NHMRC Fellowship [APP1042255]
  37. Lundbeck Foundation
  38. Benzon Foundation
  39. Canadian Institutes of Health Research (CIHR)
  40. Leenaards Foundation
  41. Swiss National Science Foundation [31003A-143914]
  42. SystemsX.ch [51RTP0_151019]
  43. UK Biobank resource [1251, 9072]
  44. [R01HG008983]
  45. [R21DA040177]
  46. BBSRC [BB/F019394/1] Funding Source: UKRI
  47. ESRC [ES/S008349/1] Funding Source: UKRI
  48. MRC [MR/N01104X/2, MC_UU_12015/2, MR/L01632X/1, G0600237, MR/S003746/1, MR/M501633/2, MR/L003120/1, MC_UU_12015/1, MR/K007017/1, MR/P013880/1, MC_PC_U127561128, MR/L01341X/1, G0601966, MR/N01104X/1, MR/P02811X/1, G1001799, G9521010] Funding Source: UKRI
  49. Biotechnology and Biological Sciences Research Council [BB/F019394/1] Funding Source: researchfish
  50. British Heart Foundation [RG/13/13/30194, RG/16/4/32218, SP/13/2/30111, RG/14/5/30893, RG/08/014/24067] Funding Source: researchfish
  51. Cancer Research UK [16563] Funding Source: researchfish
  52. Economic and Social Research Council [ES/S008349/1] Funding Source: researchfish
  53. Lundbeck Foundation [R190-2014-3904, R16-2007-1691] Funding Source: researchfish
  54. Medical Research Council [MC_CF023241, MR/K026992/1, MR/P02811X/1, MC_PC_13040, MC_PC_U127561128, MR/L003120/1, MC_UU_12015/2, MR/M501633/1, MR/K006584/1, HDR-2002, MC_UU_12015/1, G0601966, G0600237, MR/L01341X/1, MC_PC_13048, MR/N01104X/1, G0700704B, MR/K007017/1, G9521010, MR/L01632X/1, MR/N01104X/2, MR/P013880/1, MR/M501633/2, G1001799, MC_PC_13046] Funding Source: researchfish
  55. National Institute for Health Research [NF-SI-0611-10219, NF-SI-0512-10165, NF-SI-0512-10135, NF-SI-0611-10136, NF-SI-0512-10113, NF-SI-0515-10020, NF-SI-0611-10099, NF-SI-0617-10149, NF-SI-0617-10154, NF-SI-0616-10080] Funding Source: researchfish
  56. NNF Center for Basic Metabolic Research [Grarup Group, Pers Group, Pedersen Group, Hansen Group] Funding Source: researchfish
  57. Novo Nordisk Fonden [NNF16OC0021496, NNF15OC0016108, NNF16OC0021254, NNF14OC0011039, NNF17OC0027492] Funding Source: researchfish
  58. Wellcome Trust [098395/Z/12/Z, 213422/Z/18/Z] Funding Source: researchfish
  59. Steno Diabetes Center Copenhagen (SDCC) [SDCC 3. B Epidemiology] Funding Source: researchfish
  60. EUNICE KENNEDY SHRIVER NATIONAL INSTITUTE OF CHILD HEALTH & HUMAN DEVELOPMENT [R01HD073342, R01HD057194] Funding Source: NIH RePORTER
  61. NATIONAL CANCER INSTITUTE [P30CA008748, R25CA094880, T32CA009156] Funding Source: NIH RePORTER
  62. NATIONAL CENTER FOR ADVANCING TRANSLATIONAL SCIENCES [KL2TR001109, UL1TR001881] Funding Source: NIH RePORTER
  63. NATIONAL HEART, LUNG, AND BLOOD INSTITUTE [K23HL114724, R21HL121422, R01HL109946, R01HL128914, R00HL130580, R01HL092577, K99HL130580, K99HL094535, T32HL007055, R00HL094535, K24HL105780, R01HL117078, R01HL057818] Funding Source: NIH RePORTER
  64. NATIONAL HUMAN GENOME RESEARCH INSTITUTE [U01HG007417, R01HG008983, F31HG009850, U01HG007416, ZIAHG000024] Funding Source: NIH RePORTER
  65. NATIONAL INSTITUTE OF DIABETES AND DIGESTIVE AND KIDNEY DISEASES [R01DK101855, R01DK075787, P30DK020572, R01DK106236, P30DK063491, R01DK106621, R01DK089256, R01DK110113, U01DK062370, R01DK107786, K01DK107836, R01DK072193, R01DK093757, R01DK107904] Funding Source: NIH RePORTER
  66. NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [T32GM096911] Funding Source: NIH RePORTER
  67. NATIONAL INSTITUTE OF NEUROLOGICAL DISORDERS AND STROKE [R01NS033335] Funding Source: NIH RePORTER
  68. NATIONAL INSTITUTE ON DRUG ABUSE [R21DA040177] Funding Source: NIH RePORTER
  69. OFFICE OF THE DIRECTOR, NATIONAL INSTITUTES OF HEALTH [S10OD018522] Funding Source: NIH RePORTER

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Genome-wide association studies (GWAS) have identified >250 loci for body mass index (BMI), implicating pathways related to neuronal biology. Most GWAS loci represent clusters of common, noncoding variants from which pinpointing causal genes remains challenging. Here we combined data from 718,734 individuals to discover rare and low-frequency (minor allele frequency (MAF) < 5%) coding variants associated with BMI. We identified 14 coding variants in 13 genes, of which 8 variants were in genes (ZBTB7B, ACHE, RAPGEF3, RAB21, ZFHX3, ENTPD6, ZFR2 and ZNF169) newly implicated in human obesity, 2 variants were in genes (MC4R and KSR2) previously observed to be mutated in extreme obesity and 2 variants were in GIPR. The effect sizes of rare variants are similar to 10 times larger than those of common variants, with the largest effect observed in carriers of an MC4R mutation introducing a stop codon (p.Tyr35Ter, MAF = 0.01%), who weighed similar to 7 kg more than non-carriers. Pathway analyses based on the variants associated with BMI confirm enrichment of neuronal genes and provide new evidence for adipocyte and energy expenditure biology, widening the potential of genetically supported therapeutic targets in obesity.

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