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Göteborgs universitets publikationer

PNPLA3 148M Carriers with Inflammatory Bowel Diseases Have Higher Susceptibility toHepatic Steatosis and Higher Liver Enzymes

Författare och institution:
Rosellina Margherita Mancina (Institutionen för medicin, avdelningen för molekylär och klinisk medicin); R. Spagnuolo (-); M. Milano (-); S. Brogneri (-); A. Morrone (-); C. Cosco (-); V. Lazzaro (-); C. Russo (-); Y. Ferro (-); Piero Pingitore (Institutionen för medicin, avdelningen för molekylär och klinisk medicin); A. Pujia (-); T. Montalcini (-); P. Doldo (-); P. Garieri (-); L. Piodi (-); F. Caprioli (-); L. Valenti (-); Stefano Romeo (Institutionen för medicin, avdelningen för molekylär och klinisk medicin)
Publicerad i:
Inflammatory Bowel Diseases, 22 ( 1 ) s. 134-140
Artikel, refereegranskad vetenskaplig
Sammanfattning (abstract):
Background: Inflammatory bowel diseases (IBD) are characterized by chronic relapsing inflammation of the gastrointestinal tract and encompass Crohn's disease and ulcerative colitis. IBD are often associated with extraintestinal manifestations affecting multiple organs including the liver. Increased levels of serum aminotransferases, possibly related to nonalcoholic fatty liver disease, constitute one of the most frequently described IBD-related liver diseases. The PNPLA3 I148M substitution is a major common genetic determinant of hepatic fat content and progression to chronic liver disease. The aim of this study was to investigate whether carriers of PNPLA3 148M allele with IBD have higher risk of liver steatosis and increase in transaminases levels. Methods: The PNPLA3 I148M (rs738409) genotype was performed by Taqman assays in 158 individuals from Southern Italy (namely, Catanzaro cohort) and in 207 individuals from Northern Italy (namely, Milan cohort) with a definite diagnosis of IBD. Demographic and clinical data and also alanine transaminase levels were collected for both cohorts. The Catanzaro cohort underwent liver evaluation by sonography and liver stiffness and controlled attenuation parameter measurements by transient elastography. Results: Here, we show for the first time that carriers of the PNPLA3 148M allele with IBD have a greater risk of hepatic steatosis (odds ratio, 2.9, and confidence interval, 1.1-7.8), higher controlled attenuation parameter values (P = 0.029), and increased circulating alanine transaminase (P = 0.035) in the Catanzaro cohort. We further confirm the higher alanine transaminase levels in the Milan cohort (P < 0.001). Conclusions: Our results show that PNPLA3 148M carriers with IBD have higher susceptibility to hepatic steatosis and liver damage.
Ämne (baseras på Högskoleverkets indelning av forskningsämnen):
Klinisk medicin ->
PNPLA3, inflammatory bowel disease, liver steatosis, ALT, controlled attenuation parameter, transient elastography, i148m polymorphism, hepatic-fibrosis, obesity, injury, manifestations, individuals, microbiota, rs738409, variant
Postens nummer:
Posten skapad:
2016-08-11 09:16

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