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CELA2A mutations predispose to early-onset atherosclerosis and metabolic syndrome and affect plasma insulin and platelet activation.

Nature genetics | 2019

Factors that underlie the clustering of metabolic syndrome traits are not fully known. We performed whole-exome sequence analysis in kindreds with extreme phenotypes of early-onset atherosclerosis and metabolic syndrome, and identified novel loss-of-function mutations in the gene encoding the pancreatic elastase chymotrypsin-like elastase family member 2A (CELA2A). We further show that CELA2A is a circulating enzyme that reduces platelet hyperactivation, triggers both insulin secretion and degradation, and increases insulin sensitivity. CELA2A plasma levels rise postprandially and parallel insulin levels in humans. Loss of these functions by the mutant proteins provides insight into disease mechanisms and suggests that CELA2A could be an attractive therapeutic target.

Pubmed ID: 31358993 RIS Download

Associated grants

  • Agency: NIDDK NIH HHS, United States
    Id: T32 DK007356
  • Agency: NCATS NIH HHS, United States
    Id: UL1 TR001863
  • Agency: NHLBI NIH HHS, United States
    Id: R35 HL135767
  • Agency: NIDDK NIH HHS, United States
    Id: R01 DK114041
  • Agency: NIH HHS, United States
    Id: S10 OD018034
  • Agency: NIH HHS, United States
    Id: S10 OD018521
  • Agency: NIDDK NIH HHS, United States
    Id: R01 DK108283
  • Agency: BLRD VA, United States
    Id: I01 BX003250
  • Agency: NIDDK NIH HHS, United States
    Id: P30 DK045735
  • Agency: NIDDK NIH HHS, United States
    Id: P30 DK034989
  • Agency: NIDDK NIH HHS, United States
    Id: R01 DK095753
  • Agency: NIDDK NIH HHS, United States
    Id: K23 DK098286
  • Agency: NIDDK NIH HHS, United States
    Id: R01 DK112797
  • Agency: NIDDK NIH HHS, United States
    Id: R01 DK110181
  • Agency: NIH HHS, United States
    Id: S10 OD019967
  • Agency: NHGRI NIH HHS, United States
    Id: U54 HG006504

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