Publications by authors named "M Jose Ramirez-Lazaro"

Background: Inflammatory bowel disease (IBD) has a major economic impact on healthcare costs.

Objectives: The aim of this study was to evaluate the current healthcare expenditure associated with IBD in a population-wide study in Catalonia.

Design: Retrospective observational study.

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Background And Objectives: Thiopurines are an effective treatment for the maintenance of remission in inflammatory bowel disease (IBD). They can present adverse effects (AEs), with myelotoxicity being the most relevant. This study aims to determine the incidence of AEs related to the starting of thiopurines in our centre.

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Background: Helicobacter pylori infection is the most important risk factor for gastric cancer (GC). Human gastric adenocarcinoma develops after long-term H. pylori infection via the Correa cascade.

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To adopt prevention strategies in gastric cancer, it is imperative to develop robust biomarkers with acceptable costs and feasibility in clinical practice to stratified populations according to risk scores. With this aim, we applied an unbiased genome-wide CpG methylation approach to a discovery cohort composed of gastric cancer ( = 24), and non-malignant precursor lesions ( = 64). Then, candidate-methylation approaches were performed in a validation cohort of precursor lesions obtained from an observational longitudinal study ( = 264), with a 12-year follow-up to identify repression or progression cases.

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is a common pathogen associated with several severe digestive diseases. Although multiple virulence factors have been described, it is still unclear the role of virulence factors on pathogenesis and disease progression. Whole genome sequencing could help to find genetic markers of virulence strains.

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