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Review
. 2021 Nov 19;14(11):1181.
doi: 10.3390/ph14111181.

Probiotics in Intestinal Mucosal Healing: A New Therapy or an Old Friend?

Eirini Filidou  1 , George Kolios  1
Affiliations
Review

Probiotics in Intestinal Mucosal Healing: A New Therapy or an Old Friend?

Eirini Filidou et al. Pharmaceuticals (Basel). .

Abstract

Inflammatory bowel disease (IBD), Crohn's disease, and ulcerative colitis are characterized by chronic and relapsing inflammation, while their pathogenesis remains mostly unelucidated. Gut commensal microbiota seem to be one of the various implicated factors, as several studies have shown a significant decrease in the microbiome diversity of patients with IBD. Although the question of whether microbiota dysbiosis is a causal factor or the result of chronic inflammation remains unanswered, one fact is clear; active inflammation in IBD results in the disruption of the mucus layer structure, barrier function, and also, colonization sites. Recently, many studies on IBD have been focusing on the interplay between mucosal and luminal microbiota, underlining their possible beneficial effect on mucosal healing. Regarding this notion, it has now been shown that specific probiotic strains, when administrated, lead to significantly decreased inflammation, amelioration of colitis, and improved mucosal healing. Probiotics are live microorganisms exerting beneficial effects on the host's health when administered in adequate quantity. The aim of this review was to present and discuss the current findings on the role of gut microbiota and their metabolites in intestinal wound healing and the effects of probiotics on intestinal mucosal wound closure.

Keywords: gut microbiota; inflammatory bowel disease; intestinal wound healing; mucosal healing; probiotics.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Probiotic administration under inflammatory conditions results in increased goblet cells replenishment (A), epithelial crypt regeneration (B), and fibroblast migration (C).
See this image and copyright information in PMC

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