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Copyright of Hungarian Medical Journal / Orvosi Hetilap is the property of Akademiai Kiado and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Hungarian Medical Journal / Orvosi Hetilap is the property of Akademiai Kiado and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Hungarian Medical Journal / Orvosi Hetilap is the property of Akademiai Kiado and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Hungarian Medical Journal / Orvosi Hetilap is the property of Akademiai Kiado and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Hungarian Medical Journal / Orvosi Hetilap is the property of Akademiai Kiado and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Hungarian Medical Journal / Orvosi Hetilap is the property of Akademiai Kiado and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Hungarian Medical Journal / Orvosi Hetilap is the property of Akademiai Kiado and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Introduction: Health is an important motivation for the consumption of both organic and functional foods. Organic food contains fewer pesticide residues and statistically more selected health-related compounds such as polyphenols in plant products and polyunsaturated fatty acids in milk and meat products. Recent studies suggest that the gut-liver axis plays an important role in the pathogenesis of non-alcoholic fatty liver disease, so probiotics could be a therapeutic tool. Comparing the health effects of yoghurt from organic origin with so-called conventional yoghurt is difficult, because there is no biomarker that would signal the difference with good specificity and sensitivity., Aim: The aim of this study was to investigate numerous biomarkers to evaluate the difference between yoghurt from conventional and organic origin and their health effects in NAFLD., Patients and Method: We performed a prospective, cohort study consisting of 37 (age = 51.73 ± 11.82, male = 21, female = 16) patients with NAFLD at the 2nd Department of Internal Medicine of the Semmelweis University, Budapest. Diagnosis of NAFLD was based on ultrasonography and the exclusion of other etiololgy. The patients were examined also with shear wave elastography to evaluate the hepatic fibrosis stage. We divided the patients randomly into two groups. The patients consumed individually daily 300 grams of yoghurt from organic (n = 21) or conventional (n = 16) origin for 8 weeks. We collected 37 routine laboratory data, measured 4 cytokines, 3 markers of the redox-homeostasis and 14 body composition values before, after, and 12 weeks after the yoghurt consumption., Results: We found a mild elevation of vitamin D and a minimal reduction of LDL after the yoghurt consumption, but in the other 35 routine laboratory data there was no statistical difference. Adiponectin and leptin levels were elevated after the yoghurt consumption in the "conventional group". In contrast, we found significant decrease of adiponectin levels in the "organic group" after the treatment. Only the adiponectin tendency was different in the two groups. The induced free radical content was also statistically lower after the yoghurt consumption. In the body composition measurements, there were no significant differences., Conclusion: These data suggest that adiponectin could be a possible biomarker to evaluate the effectiveness of probiotic treatment in non-alcoholic fatty liver disease. Our work can serve as a basis for future studies investigating relationships between organic yoghurt consumption and health outcomes. Orv Hetil. 2020; 161(35): 1466-1474.

Hepatitis C virus infection causes approximately 4 million new infections worldwide, and 399 000 deaths due to its complications, cirrhosis and hepatocellular carcinoma (HCC). Microenvironmental changes, chronic inflammation, oxidative stress, endoplasmic reticulum stress caused by HCV infection, via genetic and epigenetic changes can result in primary liver cancer during decades. The direct oncogenic property of HCV is wellknown. The transforming effect of four HCV proteins (core, NS3, NS4B, NS5A) has been proven. Effective antiviral therapy, sustained viral response decreases the HCV-related general and liver-related mortality. Interferon-based therapy reduces the risk of HCC development. Shorter therapy with direct acting antiviral agents (DAA) has higher efficacy, fewer side-effects. Publications have reported the unexpected effects of DAA. The authors review the articles focusing on the occurrence of HCC in connection with DAA therapies. There is a need for prospective, multicentric studies with longer follow-up to examine the risk of HCC formation. After antiviral therapy, HCC surveillance is of high importance which means abdominal ultrasound every 3-6-12 months in sustained viral response patients as well. Orv Hetil. 2019; 160(22): 846-853.

The community of microorganisms in the intestine, namely gut microbiome lives in symbiosis with the host, contributing to its homeostasis and influencing it simultaneously. It can be suspected that gut microbiome plays a central role in the pathophysiology of intestinal and extraintestinal diseases: determining their development, progress and complications. Recently, intestinal microbiome has become a highlighted field of interest and important topic in research, especially in hepatology. It is in the focus of relevant research as the liver is the organ which meets nutrients, bacterial components, toxins and metabolites at first, as a filter. The evolvement of different liver diseases - just like alcoholic and non-alcoholic fatty liver disease, steatohepatitis, cirrhosis or hepatocellular carcinoma - correlates with the changed composition and activity of gut microbiome. Thus, it can be hypothesized that pre-, pro- and antibiotics could have an impact on the treatment of these diseases. In our review article, the relationship between intestinal flora and liver diseases with different etiologies as well as therapeutic possibilities are discussed. Orv Hetil. 2018; 159(36): 1465-1474.