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논문 기본 정보

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학술저널
저자정보
Afifa Ait-Belgnaoui (Neuro-Gastroenterology and Nutrition team TOXALIM UMR 1331-INRA/INP/UPS Toulouse France) Isabelle Payard (Neuro-Gastroenterology and Nutrition team TOXALIM UMR 1331-INRA/INP/UPS Toulouse France) Claire Rolland (Lallemand Health Solutions Montreal Canada) Cherryl Harkat (Neuro-Gastroenterology and Nutrition team TOXALIM UMR 1331-INRA/INP/UPS Toulouse France) Viorica Braniste (Department of Microbiology Tumor and Cell Biology Karolinska Institute Stockholm Sweden) Vassillia Théodorou (Neuro-Gastroenterology and Nutrition team TOXALIM UMR 1331-INRA/INP/UPS Toulouse France) Thomas A Tompkins (Lallemand Health Solutions Montreal Canada)
저널정보
대한소화관운동학회(현 대한소화기능성질환.운동학회) Journal of Neurogastroenterology and Motility (JNM) Journal of Neurogastroenterology and Motility (JNM) Vol.24 No.1
발행연도
2018.1
수록면
138 - 146 (9page)

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Background/Aims Visceral pain and hypothalamic-pituitary-adrenal axis (HPA) dysregulation is a common characteristic in irritable bowel syndrome (IBS) patients. Previously, we reported that a probiotic formulation (Lactobacillus helveticus R0052 and Bifidobacterium longum R0175) prevents chronic stress-mediated brain function abnormalities by attenuating the HPA axis response. Here, we compared the effect between different probiotic treatments on the perception of visceral pain during colorectal distension (CRD) following a chronic stress and the consequences to the activity of the HPA axis. Methods After a 2-week treatment with a combined probiotic formulation, or L. helveticus or B. longum alone in stressed mice, the visceral pain in response to CRD was recorded. The expression of glucocorticoid receptors was determined in the different brain areas involved in the stress response (hypothalamus, hippocampus, and prefrontal cortex). The plasma levels of stress hormones were also measured. Results A pretreatment using the combination of probiotic formulation significantly reduces the chronic stress-induced visceral hypersensitivity respectively at 0.06, 0.08, and 0.10 mL CRD volume. However, a single probiotic (B. longum or L. helveticus) administration is less effective in reducing visceral pain in stressed mice. Moreover, the expression of the glucocorticoid receptor mRNA was consistently up-regulated in several brain areas after pretreatment with a combined probiotic, which correlated with the normalization of stress response compared to the inconsistent effects of a single probiotic. Conclusion The combination of L. helveticus and B. longum is more effective in regulating glucocorticoid negative feedback on the HPA axis than probiotic alone and subsequently in treating stress-induced visceral pain.

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