Cited by 123Probiotics and Fermented FoodsGut microbiota and healthAquaculture disease management and microbiota

The effect of probiotics on inflammatory biomarkers: A meta-analysis of randomized clinical trials

Milajerdi, Alireza, Mousavi, Seyyed Mohammad, Sadeghi, Alireza, Salari-Moghaddam, Asma, Parohan, Mohammad, Larijani, Bagher, Esmaillzadeh, Ahmad·2020·European Journal of Nutrition

Abstract

Purpose No study has summarized earlier findings on the effect of probiotic supplementation on inflammatory biomarkers. This systematic review and meta-analysis was conducted to systematically review the available placebo-controlled clinical trials about the effect of probiotic supplementation on several inflammatory biomarkers in adults.Methods Relevant papers published up to March 2018 were searched up through PubMed, MEDLINE, SCOPUS, EMBASE, and Google Scholar, using following suitable keywords. Clinical trials that examined the effect of probiotic supplementation on inflammation in adults were included.Results Overall, 42 randomized clinical trials (1138 participants in intervention and 1120 participants in control groups) were included. Combining findings from included studies, we found a significant reduction in serum hs-CRP [standardized mean difference (SMD) - 0.46; 95% CI - 0.73, - 0.19], TNF-a (- 0.21; - 0.34, - 0.08), IL-6 (- 0.37; - 0.51, - 0.24), IL-12 (- 0.47; - 0.67, - 0.27), and IL-4 concentrations (- 0.48; - 0.76, - 0.20) after probiotic supplementation. Pooling effect sizes from 11 studies with 12 effect sizes, a significant increase in IL-10 concentrations was seen (0.21; 0.04, 0.38). We failed to find a significant effect of probiotic supplementation on serum IL-1B (- 0.17; - 0.37, 0.02), IL-8 (- 0.01; - 0.30, 0.28), and IFN-g (- 0.08; - 0.31, 0.15) and IL-17 concentrations (0.06; - 0.34, 0.46).Conclusions Probiotic supplementation significantly reduced serum concentrations of pro-inflammatory cytokines including, hs-CRP, TNF-a, IL-6, IL-12, and IL-4, but it did not influence IL-1B, IL-8, IFN-g, and IL-17 concentrations. A significant increase in serum concentrations of IL-10, as a anti-inflammatory cytokine was also documented after probiotic supplementation.

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Crossref · 10.1007/s00394-019-01931-8

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Authors
Milajerdi, A., Mousavi, S. M., Sadeghi, A., Salari-Moghaddam, A., Parohan, M., Larijani, B., & Esmaillzadeh, A.
Affiliations
  • Tehran University of Medical Sciences (IR)
  • Endocrinology and Metabolism Clinical Sciences Institute (IR)
  • Isfahan University of Medical Sciences (IR)
Corresponding author
  • Larijani, Bagher
  • Esmaillzadeh, Ahmad
Venue
European Journal of Nutrition
Published
2019-03-11
Volume
59
Issue
2
Pages
633-649
ISSN
  • 1436-6207 (ISSN-L)
  • 1436-6215
OpenAlex
W2921121398
Cited by
123
References
76
Citations by year
2026: 17 · 2025: 22 · 2024: 18 · 2023: 16 · 2022: 17 · 2021: 17 · 2020: 14 · 2019: 2
FWCI
1.13
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Nutrition (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Immunology and Microbiology › Immunology › Aquaculture disease management and microbiota
Keywords
probiotics, probiotic supplementation, inflammatory markers, inflammatory cytokines, anti-inflammatory cytokines, C-reactive protein, TNF-α, interleukin-6, IL-12, IL-4, IL-10, IL-1β, interleukin-8, interferon-gamma, IL-17
MeSH terms
Humans, Inflammation, Biomarkers, Randomized Controlled Trials as Topic, Dietary Supplements, Probiotics

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