Cited by 49Gut microbiota and healthInflammatory Bowel DiseaseGastrointestinal motility and disorders

The pathogenic role of intestinal flora in IBD and colon cancer

Rescigno, Maria·2008·Current Drug Targets

Abstract

The intestine is populated by a large variety of microorganisms that colonize the host soon after birth. The gut microflora contributes to several intestinal functions, including the development of the mucosal immune system, the absorption of complex macromolecules, the synthesis of amino acids and vitamins and the protection against pathogenic microorganisms. Its composition varies along the different segments of the gut, with a gradient from the stomach to the colon where it is more abundant. Given the vital relationship between the microflora and the intestinal function, it is important that the microflora is kept continuously under control so to preserve gut homeostasis. When this is not achieved or perturbed, several immune disorders can arise, like allergies or inflammation. Protracted immune deregulations can also lead to severe disorders including diabetes, cancer and inflammatory bowel disease (IBD). It is therefore crucial that the immune system learns both to tolerate and to control the growth of beneficial microorganisms so to preserve the intestinal homeostasis. The mechanisms that are in place to achieve this control are not yet understood but recent work has started to unravel the complex relationship between several players including the microflora, intestinal barriers and immune cells. In this review we will analyze how the microflora interacts with the host and how deregulation of this interaction can lead to inflammatory disorders and eventually also to cancer.

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Crossref · 10.2174/138945008784221125

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  • Leptin is preferentially expressed and secreted by subcutaneous adipose tissue, while adiponectin, visfatin, omentin, resistin, PAI-1, IL-8, IL-7, IL-1a, MCP-1, TGF-b, growth-related oncogene, CCL5 and MIP-1b are expressed more in abdominal fat.

    “Thus, leptin is preferentially expressed and secreted by subcutaneous adipose tissue (52) , while the expression of adiponectin, visfatin, omentin, resistin, PAI-1, IL-8, IL-7, IL-1a, MCP-1, TGF-b, growth-related oncogena, CCL5 and MIP-1b is higher in abdominal fat.”
  • IL-6 and TNF-a appear to be synthesised equally by different adipose tissue sites.

    “In contrast to such distributions, there are reports that IL-6 and TNF-a seem to be equally synthesised by the different sites (28,36,53 -59) .”
  • Adipokine secretion profiles differ between subcutaneous and abdominal adipose tissues.

    “In addition, the profile of adipokines produced is dissimilar between the subcutaneous and abdominal adipose tissues.”

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Authors
Rescigno, M.
Venue
Current Drug Targets
Published
2008-05-01
Volume
9
Issue
5
Pages
395-403
ISSN
1389-4501 (ISSN-L)
OpenAlex
W1981380968
Cited by
49
References
0
Citations by year
2023: 2 · 2022: 2 · 2020: 3 · 2019: 1 · 2018: 2 · 2017: 2 · 2015: 2 · 2014: 5 · 2013: 4 · 2012: 1
FWCI
3.42
Type
journal article
Language
en
Open access
closed
Locations
  • Current Drug Targets (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Inflammatory Bowel Disease
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
Keywords
gut microbiota, inflammatory bowel disease, colon cancer, intestinal homeostasis, mucosal immunity, immune tolerance, intestinal barrier, dysbiosis, host-microbe interactions, intestinal inflammation
MeSH terms
Animals, Bacteria, Colonic Neoplasms, Homeostasis, Humans, Immune Tolerance, Intestinal Mucosa, Intestines, Inflammatory Bowel Diseases, Immunity, Mucosal, Probiotics

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