Non Steroidal Anti-Inflammatory Drug Induced Damage On Lower Gastro-Intestinal Tract: Is There A Involvement Of Microbiota?
Lucia Montenegro, Giuseppe Losurdo, Raffaele Licinio, Maria Zamparella, Floriana Giorgio, Enzo Ierardi, Alfredo Di Leo and Mariabeatrice PrincipiAffiliation:
Gastroenterology, Department of Emergency and Organ Transplantation, Bari, Italy
AbstractIntestinal microbiota is composed by a community of microorganisms, which regulate intestinal functions and affect the global health. It is presumable that the well-known intestinal damages induced by Non Steroidal Anti-inflammatory Drugs (NSAIDs) mirror on the homeostasis of microbiota, as confirmed by studies investigating this aspect. This review reports the evolving knowledge in this field taking into account both intestinal damage and microbiota involvement. In addition, we analyze a recent study reporting how NSAIDs change intestinal bacterial composition and, on this basis, hypothesize further possible interactions. Indeed, NSAIDs are responsible for a marked reduction of Lactobacilli, which act in the maintenance of luminal pH, mucosal permeability, enterocyte adhesion, mucus production, and immune system modulation. Moreover, Bifidobacteria are involved in the modulation of intestinal motility and local immunity and the demonstrated dangerous effect of NSAIDs could operate through an interference with these functions. A participation of microbiota in mesalazine and salycilate prevention of intestinal cancer may be supposed through their ability to stimulate bacterial production of molecules interfering with cell cycle on the bases of scanty available data. Finally, a supplementation with probiotics in chronic users of NSAIDs may help microbiota remodeling in a damaged intestine, but the poor current knowledge does not allow setting a clear indication for their use despite few evidences of a beneficial effect. In conclusion, it is presumable that the multiple effects of NSAIDs on the lower gastro-intestinal tract may involve microbiota alterations and this consideration suggests further investigations
Bifidobacteria, intestinal damage, intestinal microbiota, Lactobacilli, Non steroidal anti-inflammatory drugs, probiotics
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