roux-en y gastric bypass results in long-term remission of hepatocyte apoptosis and hepatic histological features of non-alcoholic steatohepatitis

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ID: 214296
2016
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Abstract
The long-term effects of bariatric surgery on non alcoholic steatohepatitis (NASH), focusing on liver injury and hepatocyte apoptosis,are not well established. We here performed a longitudinal study with paired liver biopsies of 9 morbidly obese women (median BMI: 42 [38.7; 45.1] kg/m2) with NASH with a median follow-up of 55 [44; 75] months after laparoscopic Roux-en-Y gastric bypass (LRYGB) surgery. LRYGB surgery was associated with significant weight loss (median BMI loss –13.7 [–16.4; –9.5] kg/m2), improved hepatic steatosis in all patients (55.5% with total resolution), and resolution of hepatic inflammation and hepatocyte ballooning in 100% and 88.8% of cases, respectively. Alanine aminotransferase levels dropped to normal values while hepatic activated cleaved caspase 3levels strongly decreased after a median follow-up of 55 months. Hepatocyte apoptosis, as evaluated by serum caspase-generated keratin-18 fragment, improved within the first year following LRYGB and these improvements persisted for at least 55 months. LRYGB in morbidly obese patients with NASH is thus associated with a long-lasting beneficial impact on hepatic steatohepatitis and hepatocyte death.
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schneck2016frontiersroux-en Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Anne-Sophie Schneck;Rodolphe Anty;Stéphanie Patouraux;Stéphanie Bonnafous;Déborah Rousseau;Cynthia Lebeaupin;Béatrice Bailly-Maitre;Arnaud Sans;Albert Tran;Jean Gugenheim;Antonio Iannelli;Philippe Gual
Journal Journal of clinical and experimental dentistry
Year 2016
DOI
10.3389/fphys.2016.00344
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