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Patofyziologie idiopatických střevních zánětů.Vztah k primární sklerózující cholangitidě, transplantaci jater a karcinogenezi. / Pathophysiology of inflammatory bowel disease. Relation to primary scklerosing cholangitis, liver transplantation and carcinogenesis.

Inflammatory bowel disease (IBD) represents a group of multifactorial illnesses with increasing incidence worldwide. Crohn's disease (CD) and ulcerative colitis (UC) are the two most thoroughly defined phenotypes of IBD. IBD associated with primary sclerosing cholangitis (PSC) - a progressive biliary disease leading to cirrhosis and liver failure - is considered as specific IBD phenotype (also referred to as 'PSC - IBD') due to its clinical and pathophysiological characteristics. The aim of the experimental part of this thesis was to define specific features of PSC - IBD in the key areas of IBD pathogenesis. These are: microbiota composition, gut - barrier failure, genetic predisposition and aberrant cellular and antibody immune response. Furthermore, the other goals were to describe relation of IBD status and activity to liver transplantation (LTx) and carcinogenesis based on thorough analysis of clinical data in patients under surveillance at the liver transplantation unit. Using the next-generation parallel sequencing technology, we discovered specific bacterial and mycobial features of gut microbiota composition in PSC - IBD which significantly differed from UC and healthy controls recruited from Czech general population. Moreover, we identified numerous seral biomarkers distinguishing CD, UC...

Identiferoai:union.ndltd.org:nusl.cz/oai:invenio.nusl.cz:415774
Date January 2020
CreatorsBajer, Lukáš
ContributorsDrastich, Pavel, Živný, Jan, Procházka, Vlastimil
Source SetsCzech ETDs
LanguageCzech
Detected LanguageEnglish
Typeinfo:eu-repo/semantics/doctoralThesis
Rightsinfo:eu-repo/semantics/restrictedAccess

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