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. 2016;2016:5080438.
doi: 10.1155/2016/5080438. Epub 2016 Aug 25.

Potential Nociceptive Regulatory Effect of Probiotic Lactobacillus Rhamnosus PB01 (DSM 14870) on Mechanical Sensitivity in Diet-Induced Obesity Model

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Potential Nociceptive Regulatory Effect of Probiotic Lactobacillus Rhamnosus PB01 (DSM 14870) on Mechanical Sensitivity in Diet-Induced Obesity Model

Fereshteh Dardmeh et al. Pain Res Manag. .
Free PMC article

Abstract

Treatments for obesity have been shown to reduce pain secondary to weight loss. Intestinal microbiota, as an endogenous factor, influences obesity and pain sensitivity but the effect of oral probiotic supplementation on musculoskeletal pain perception has not been studied systematically. The present study examined the effect of a single daily oral dose (1 × 10(9) CFU) of probiotics (Lactobacillus rhamnosus PB01, DSM14870) supplement on mechanical pain thresholds in behaving diet-induced obese (DIO) mice and their normal weight (NW) controls. The mice (N = 24, 6-week-old male) were randomly divided into four groups on either standard or high fat diet with and without probiotic supplementation. Both DIO and NW groups with probiotic supplementation maintained an insignificant weight gain while the control groups gained significant weight (P < 0.05). Similarly, both DIO and NW probiotics supplemented groups demonstrated a significantly (P < 0.05) lower sensitivity to mechanical stimulation compared to their corresponding control. The results of this study suggest a protective effect of probiotics on nociception circuits, which propose a direct result of the weight reduction or an indirect result of anti-inflammatory properties of the probiotics. Deciphering the exact underlying mechanism of the weight loss and lowering nociception effect of the probiotic applied in this study require further investigation.

Figures

Figure 1
Figure 1
The abilities of L. rhamnosus PB01, DSM 14870, to reduce body weight (a) and increase pressure pain threshold (b) in mice fed normal diet (ND), high fat diet (FD), normal diet with probiotics (NDPR), and fat diet with probiotics (FDPR) during 8 weeks. Data are means (n = 6) and whiskers indicate SD (standard deviation).

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