Abstract

In order to further our understanding of the physiological consequences of Helicobacter pylori infection , analysis of clinical tissue specimens is required. To this end, RNA is frequently isolated from stomach biopsies of H. pylori-infected patients and compared to samples from uninfected controls to monitor gene expression using molecular methods such as reverse-transcription real-time PCR, microarrays, and next-generation sequencing. The successful purification of sufficient quantities of high-quality RNA is essential for accurate and reproducible downstream analysis. This chapter describes the key steps for high-quality RNA purification from human tissue samples, including sample collection and storage, tissue disruption and lysis, RNA purification, and assessment of RNA yield and quality.

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