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Minerva Gastroenterologica e Dietologica 2019 June;65(2):116-29

DOI: 10.23736/S1121-421X.19.02568-6


lingua: Inglese

Helicobacter pylori and nutrition: a bidirectional communication

Umberto AIMASSO , Valentina D'ONOFRIO, Chiara D'EUSEBIO, Andrea DEVECCHI, Costanza PIRA, Fabio D. MERLO, Antonella DE FRANCESCO

Unit of Dietetics and Clinical Nutrition, Città della Salute e della Scienza, Turin, Italy

Helicobacter pylori (HP) is a gram-negative flagellated pathogen acid-resistant bacterium; it belongs to the order Campylobacterales that is wide spread all over the world, infecting more than 50% of the world population. HP infection is etiologically associated with non-atrophic and atrophic gastritis, peptic ulcer and with 3 to 6-fold increased relative risk for developing gastric adenocarcinoma and mucosa-associated lymphoid tissue (MA LT) lymphoma. For this reason HP is recognized by the World Health Organization as a Class I human carcinogen. In the last years a lot of studies clarified the role of this pathogen in nutrition and metabolism; particularly, it has been shown that it is able to induce malabsorption of several nutrients like iron, cobalamin, vitamin C and vitamin E, with strong consequences on nutritional status. Interesting, this bacterium is able to produce different biological effects on hormones like ghrelin and leptin controlling both appetite and growth, mostly depending on the time of acquisition of the infection and of its treatment. In this review, the authors focused their attention on nutritional effects of HP infection and particularly on the role that diet, food, plants and specific nutrients can play in its treatment, considering that HP eradication rates, with standard triple-therapy, have fallen to a low level in the last years.

KEY WORDS: Helicobacter pylori - Nutritional sciences - Disease eradication

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