MBOAT7 rs641738 variant and hepatocellular carcinoma in non-cirrhotic individuals

Stefania Grimaudo, Salvatore Petta, Antonio Craxi, Alessio Aghemo, Quentin M. Anstee, Massimo Colombo, Benedetta Donati, Flaminia Ferri, Rosellina Margherita Mancina, Chiara Rosso, Paula Iruzubieta, Laura De Luca, Antonio Grieco, Fabio Colli, Marica Meroni, Silvia Maier, Misti Mccain, Giorgio Soardo, Stefano Romeo, Laura De LucaEster Vanni, Paola Dongiovanni, Elisabetta Bugianesi, Stefano Ginanni Corradini, Anna Ludovica Fracanzani, Luca Valenti, Helen Reeves, Luca Miele, Silvia Fargion, Renato Romagnoli

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71 Citazioni (Scopus)


Nonalcoholic fatty liver disease (NAFLD) represents an emerging cause of hepatocellular carcinoma (HCC), especially in non-cirrhotic individuals. The rs641738 C > T MBOAT7/TMC4 variant predisposes to progressive NAFLD, but the impact on hepatic carcinogenesis is unknown. In Italian NAFLD patients, the rs641738 T allele was associated with NAFLD-HCC (OR 1.65, 1.08-2.55; n = 765), particularly in those without advanced fibrosis (p < 0.001). The risk T allele was linked to 3'-UTR variation in MBOAT7 and to reduced MBOAT7 expression in patients without severe fibrosis. The number of PNPLA3, TM6SF2, and MBOAT7 risk variants was associated with NAFLD-HCC independently of clinical factors (p < 0.001), but did not significantly improve their predictive accuracy. When combining data from an independent UK NAFLD cohort, in the overall cohort of non-cirrhotic patients (n = 913, 41 with HCC) the T allele remained associated with HCC (OR 2.10, 1.33-3.31). Finally, in a combined cohort of non-cirrhotic patients with chronic hepatitis C or alcoholic liver disease (n = 1121), the T allele was independently associated with HCC risk (OR 1.93, 1.07-3.58). In conclusion, the MBOAT7 rs641738 T allele is associated with reduced MBOAT7 expression and may predispose to HCC in patients without cirrhosis, suggesting it should be evaluated in future prospective studies aimed at stratifying NAFLD-HCC risk.
Lingua originaleEnglish
pagine (da-a)4492-
Numero di pagine10
RivistaScientific Reports
Stato di pubblicazionePublished - 2017

All Science Journal Classification (ASJC) codes

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