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Protein phosphatase...
Protein phosphatase 1 regulatory subunit 3B gene variation protects against hepatic fat accumulation and fibrosis in individuals at high risk of nonalcoholic fatty liver disease.
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Dongiovanni, Paola (författare)
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Meroni, Marica (författare)
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- Mancina, Rosellina Margherita (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för molekylär och klinisk medicin,Institute of Medicine, Department of Molecular and Clinical Medicine
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Baselli, Guido (författare)
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Rametta, Raffaela (författare)
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Pelusi, Serena (författare)
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Mannisto, Ville (författare)
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Fracanzani, Anna L (författare)
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Badiali, Sara (författare)
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Miele, Luca (författare)
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Grimaudo, Stefania (författare)
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Petta, Salvatore (författare)
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Bugianesi, Elisabetta (författare)
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Soardo, Giorgio (författare)
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Fargion, Silvia (författare)
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Pihlajamäki, Jussi (författare)
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- Romeo, Stefano, 1976 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för molekylär och klinisk medicin,Institute of Medicine, Department of Molecular and Clinical Medicine
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Valenti, Luca (författare)
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(creator_code:org_t)
- 2018-04-25
- 2018
- Engelska.
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Ingår i: Hepatology communications. - : Ovid Technologies (Wolters Kluwer Health). - 2471-254X. ; 2:6, s. 666-675
- Relaterad länk:
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Nonalcoholic fatty liver disease (NAFLD) is a major cause of liver damage and has a strong genetic component. The rs4841132 G>A variant, modulating the expression of protein phosphatase 1 regulatory subunit 3B (PPP1R3B), which is involved in glycogen synthesis, has been reported to reduce the risk of NAFLD but at the same time may favor liver disease by facilitating glycogen accumulation. The aim of this study was to assess the impact of rs4841132 on development of histologic steatosis and fibrosis in 1,388 European individuals in a liver biopsy cohort, on NAFLD hepatocellular carcinoma in a cross-sectional Italian cohort (n = 132 cases), and on liver disease at the population level in the United Kingdom Biobank cohort. We investigated the underlying mechanism by examining the impact of the variant on gene expression profiles. In the liver biopsy cohort, the rs4841132 minor A allele was associated with protection against steatosis (odds ratio [OR], 0.63; 95% confidence interval [CI], 0.42-0.95; P = 0.03) and clinically significant fibrosis (OR, 0.35; 95% CI, 0.14-0.87; P = 0.02) and with reduced circulating cholesterol (P = 0.02). This translated into protection against hepatocellular carcinoma development (OR, 0.22; 95% CI, 0.07-0.70; P = 0.01). At the population level, the rs4841132 variation was not associated with nonalcoholic or nonviral diseases of the liver but was associated with lower cholesterol (P = 1.7 × 10-8). In individuals with obesity, the A allele protecting against steatosis was associated with increased PPP1R3B messenger RNA expression and activation of lipid oxidation and with down-regulation of pathways related to lipid metabolism, inflammation, and cell cycle. Conclusion: The rs4841132 A allele is associated with protection against hepatic steatosis and fibrosis in individuals at high risk of NAFLD but not in the general population and against dyslipidemia. The mechanism may be related to modulation of PPP1R3B expression and hepatic lipid metabolism. (Hepatology Communications 2018;2:666-675).
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kardiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)
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- ref (ämneskategori)
- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Dongiovanni, Pao ...
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Meroni, Marica
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Mancina, Roselli ...
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Baselli, Guido
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Rametta, Raffael ...
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Pelusi, Serena
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visa fler...
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Mannisto, Ville
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Fracanzani, Anna ...
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Badiali, Sara
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Miele, Luca
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Grimaudo, Stefan ...
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Petta, Salvatore
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Bugianesi, Elisa ...
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Soardo, Giorgio
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Fargion, Silvia
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Pihlajamäki, Jus ...
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Romeo, Stefano, ...
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Valenti, Luca
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visa färre...
- Om ämnet
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- MEDICIN OCH HÄLSOVETENSKAP
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MEDICIN OCH HÄLS ...
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och Klinisk medicin
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och Kardiologi
- Artiklar i publikationen
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Hepatology commu ...
- Av lärosätet
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Göteborgs universitet