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Novel insight into the role of microbiota in colorectal surgery
  1. Radu Bachmann1,2,
  2. Daniel Leonard1,2,
  3. Nathalie Delzenne3,
  4. Alex Kartheuser1,2,
  5. Patrice D Cani3,4
  1. 1Colorectal Surgery Unit, Cliniques universitaires Saint-Luc, Brussels, Belgium
  2. 2Cliniques des Pathologies Tumorales du Colon et de Rectum (CPTCR), Institut Roi Albert II, Cliniques universitaires Saint Luc, Brussels, Belgium
  3. 3Université catholique de Louvain, Louvain Drug Research Institute, Metabolism and Nutrition research group, Brussels, Belgium
  4. 4WELBIO (Walloon Excellence in Life sciences and BIOtechnology), Brussels, Belgium
  1. Correspondence to Professor Patrice D Cani, Université catholique de Louvain, LDRI, Metabolism and Nutrition research group, Av. E. Mounier, 73 Box B1.73.11, Brussels B-1200, Belgium; Patrice.cani{at}uclouvain.be or Professor Alex Kartheuser, Colorectal Surgery Unit, Cliniques universitaires Saint-Luc, 10, avenue Hippocrate, B-1200 Brussels, Belgium alex.kartheuser{at}uclouvain.be

Abstract

Recent literature undeniably supports the idea that the microbiota has a strong influence on the healing process of an intestinal anastomosis. Understanding the mechanisms by which the bacterial community of the gut influences intestinal healing could open the door for new preventive and therapeutic approaches. Among the different mechanisms, data have shown that the production of specific reactive oxygen species (ROS) and the activation of specific formyl peptide receptors (FPRs) regulate intestinal wound healing. Evidence suggests that specific gut microbes such as Lactobacillus spp and Akkermansia muciniphila help to regulate healing processes through both ROS-dependent and FPR-dependent mechanisms. In this review, we will discuss the current knowledge and future perspectives concerning the impact of microbiota on wound healing. We will further review available evidence on whether mechanical bowel preparation and the use of specific antibiotics are beneficial or harmful procedures, an ongoing matter of debate. These practices have a profound effect on the gut microbiota composition at the level of both the mucosal and the luminal compartments. Therefore, a key question remains unanswered: should we continue to prepare the gut before surgical intervention? Current knowledge and data do not clearly support the use of one technique or another to avoid complications such as anastomotic leak. There is an urgent need for appropriate interventions with a deep microbiota analysis to investigate both the surgical technical benefits of a proper anastomosis compared with the potential effect of the gut microbes (beneficial vs harmful) on the processes of wound healing and anastomotic leakage reduction.

  • SURGICAL COMPLICATIONS
  • COLONIC MICROFLORA
  • COLORECTAL CARCINOMA
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Footnotes

  • Twitter Follow Patrice Cani @MicrObesity

  • Contributors RD, DL and PDC conceived and drew the figures. RB, DL, NMD, AK and PDC have all contributed to the design and the writing of the review.

  • Funding This work was supported by the FRFS-WELBIO under grant WELBIO-CR-2012S-02R. This work was supported in part by the Funds Baillet Latour (Grant for Medical Research 2015), a FIRST Spin-Off grant (convention 1410053). PDC is a research associate at FRS-FNRS (Fonds de la Recherche Scientifique), Belgium, and the authors have no competing interest to declare. The recipient of grants from FNRS (convention J.0084.15, convention 3.4579.11), PDR (Projet de Recherche, convention: T.0138.14) and ARC (Action de Recherche Concertée—Communauté française de Belgique convention: 12/17-047). PDC is a recipient of the POC ERC grant 2016 (European Research Council, Microbes4U_713547) and the ERC Starting Grant 2013 (starting grant 336452-ENIGMO). ND is recipient of grants from EU (European Union's Seventh Framework Program (MYNEWGUT project agreement 613979), from Wallonia-Belgium (Food4Gut Excellence Project; NUTRIGUTIOR project, convention 6918), from Flanders Region – Belgium (Agency for Innovation by Science and Technology, Branding project).

  • Competing interests None declared.

  • Provenance and peer review Commissioned; externally peer reviewed.

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