Cited by 612Probiotics and Fermented FoodsGastrointestinal motility and disordersStress Responses and Cortisol

Prevention of gut leakiness by a probiotic treatment leads to attenuated HPA response to an acute psychological stress in rats

Ait-Belgnaoui, Afifa, Durand, Henri, Cartier, Christel, Chaumaz, Gilles, Eutamene, Hélène, Ferrier, Laurent, Houdeau, Eric, Fioramonti, Jean +2 more·2012·Psychoneuroendocrinology

Abstract

Background and aims Intestinal barrier impairment is incriminated in the pathophysiology of intestinal gut disorders associated with psychiatric comorbidity. Increased intestinal permeability associated with upload of lipopolysaccharides (LPS) translocation induces depressive symptoms. Gut microbiota and probiotics alter behavior and brain neurochemistry. Since Lactobacillus farciminis suppresses stress-induced hyperpermeability, we examined whether (i) L. farciminis affects the HPA axis stress response, (ii) stress induces changes in LPS translocation and central cytokine expression which may be reversed by L. farciminis, (iii) the prevention of "leaky" gut and LPS upload are involved in these effects.Methods At the end of the following treatments female rats were submitted to a partial restraint stress (PRS) or sham-PRS: (i) oral administration of L. farciminis during 2 weeks, (ii) intraperitoneal administration of ML-7 (a specific myosin light chain kinase inhibitor), (iii) antibiotic administration in drinking water during 12 days. After PRS or sham-PRS session, we evaluated LPS levels in portal blood, plasma corticosterone and adrenocorticotropic hormone (ACTH) levels, hypothalamic corticotropin releasing factor (CRF) and pro-inflammatory cytokine mRNA expression, and colonic paracellular permeability (CPP).Results PRS increased plasma ACTH and corticosterone; hypothalamic CRF and pro-inflammatory cytokine expression; CPP and portal blood concentration of LPS. L. farciminis and ML-7 suppressed stress-induced hyperpermeability, endotoxemia and prevented HPA axis stress response and neuroinflammation. Antibiotic reduction of luminal LPS concentration prevented HPA axis stress response and increased hypothalamic expression of pro-inflammatory cytokines.Conclusion The attenuation of the HPA axis response to stress by L. farciminis depends upon the prevention of intestinal barrier impairment and decrease of circulating LPS levels.

Integrity signals

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Crossref · 10.1016/j.psyneuen.2012.03.024

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  • A connection has been established between the digestive tract and stress.

    “Moreover, a connection has been established between the digestive tract and stress [291, 292].”
  • Lactobacillus helveticus reduces plasma ACTH and corticosterone concentrations in response to stress in rats and can restore hippocampal serotonin (5-HT) and NE levels.

    “Lactobacillus helveticus also reduces anxiety [133] and plasma ACTH and corticosterone concentrations in response to stress in rats and can restore hippocampal serotonin (5-HT) and NE levels [74].”
  • Lactobacillus farciminis and Lactobacillus helveticus NS8 have been shown to decrease plasma ACTH and corticosterone concentrations in response to stress in rats, as well as restore hippocampal serotonin and NE levels and decrease neuroinflammation.

    “Lactobacillus farciminis and Lactobacillus helveticus NS8 have been shown to decrease plasma ACTH and corticosterone concentrations in response to stress in rats [167, 168], as well as restore hippocampal serotonin and NE levels and decrease neuroinflammation [169].”
  • Pre-treatment with L. farciminis reduced HPA hyper-reactivity, intestinal permeability, and neuroinflammation resulting from restraint stress.

    “Similarly, pre-treatment with L. farciminis reduced HPA hyper-reactivity, intestinal permeability, and neuroinflammation resulting from restraint stress (367).”
  • Various studies have reported beneficial effects of probiotics by enhancing intestinal epithelial integrity, protecting from barrier disruption, stimulating a healthy homeostasis of the mucosal immune system and suppressing pathogenic bacterial growth.

    “Various studies have reported the beneficial effects of probiotics by enhancing intestinal epithelial integrity, protecting from barrier disruption, stimulating a healthy homeostasis of the mucosal immune system and suppressing pathogenic bacterial growth (Ait-Belgnaoui et al., 2012;Corridoni et al., 2012;Patel et al., 2012;Sartor, 2005;Zareie et al., 2006).”

    From The Gut-Brain Axis in Parkinson’s Disease: Possibilities for Food-Based Therapies (2017) · cites this paper as Ait-Belgnaoui et al., 2012

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Authors
Ait-Belgnaoui, A., Durand, H., Cartier, C., Chaumaz, G., Eutamene, H., Ferrier, L., Houdeau, E., Fioramonti, J., Bueno, L., & Theodorou, V.
Affiliations
  • Université Toulouse III - Paul Sabatier (FR)
  • Lallemand (France) (FR)
Venue
Psychoneuroendocrinology
Publisher
Elsevier BV
Published
2012-11
Volume
37
Issue
11
Pages
1885-1895
ISSN
0306-4530 (ISSN-L)
OpenAlex
W2091052564
Cited by
612
References
58
Citations by year
2026: 19 · 2025: 36 · 2024: 51 · 2023: 48 · 2022: 70 · 2021: 63 · 2020: 53 · 2019: 48 · 2018: 59 · 2017: 39 · 2016: 43 · 2015: 37 · 2014: 23 · 2013: 15 · 2012: 5
FWCI
39.27
Type
journal article
Language
en
Open access
closed
Locations
  • Psychoneuroendocrinology (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Funders
  • Institut Rosell-Lallemand
  • INRA
  • Midi-Pyrenees Region
  • “Groupe Français de Neuro-Gastroentérologie”
  • Functional Brain-Gut Research Group
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
probiotics, Lactobacillus farciminis, leaky gut, intestinal permeability, hypothalamic-pituitary-adrenal axis, acute psychological stress, lipopolysaccharide translocation, endotoxemia, neuroinflammation, corticosterone, ACTH, corticotropin-releasing factor, myosin light chain kinase, antibiotic-induced dysbiosis, gut-brain axis, depression
MeSH terms
Acute Disease, Adrenocorticotropic Hormone, Animals, Anti-Bacterial Agents, Azepines, Colon, Corticosterone, Corticotropin-Releasing Hormone, Female, Hypothalamo-Hypophyseal System, Inflammation, Lactobacillus, Lipopolysaccharides, Myosin-Light-Chain Kinase, Naphthalenes, Permeability, Pituitary-Adrenal System, Restraint, Physical, Stress, Psychological, Cytokines, Rats, Wistar, Probiotics, Rats

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