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Tumor necrosis factor α (TNF-α) encoded by TNFA is a key mediator in inflammation, a precursor condition for peptic ulceration. Promoter polymorphisms of TNFA that influence its transcriptional activity and TNF-α production are known. TNFA-308G&gt;A (rs1800629) and TNFA-1031T&gt;C (rs1799964), which are responsible for increased TNFA transcription, could influence the risk of peptic ulceration. This study aimed to investigate these polymorphisms and to evaluate their association with peptic ulcer disease and Helicobacter pylori infection in the Polish population.

Investigation of -308G>A and -1031T>C Polymorphisms in the TNFA Promoter Region in Polish Peptic Ulcer Patients