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Lactobacillus reuteri DSM 17938 Probiotics May Increase CC-Chemokine Receptor 7 Expression in Infants Treated With for Colic

  • 2019-07-16
  • Frontiers in Pediatrics 7
    • F. Savino
    • I. Galliano
    • Andrea Savino
    • V. Daprá
    • P. Montanari
    • Cristina Calvi
    • M. Bergallo

Abstract

Aim: Studies have shown that _Lactobacilli reute_ri probiotics can affect cells that play a key role in the immune system. This in vivo Italian study investigated how Lactobacillus reuteri DSM 17938 influenced CC-chemokine receptor 7 (CCR7) and interleukin 10 (IL-10) in breastfed colicky infants. Methods: Our University hospital in Turin recruited 50 healthy outpatients, at a median age of approximately 1 month, from September 2017 to August 2018. They were randomized to daily Lactobacillus reuteri DSM17938 (1 × 108 cfu) or a placebo for 28 days from recruitment. We collected peripheral blood and evaluated the expression of CCR7 messenger ribonucleic acid using the real-time TaqMan reverse transcription polymerase chain reaction method at baseline and after the study period. Results: We found increased expression of CC-chemokine receptor 7 in infants treated with the probiotic, but not the controls (p < 0.0026). No differences were observed for interleukin 10 after the study period in either group. At baseline, daily crying time was comparable in the probiotic and control groups: 341 (25) vs. 337 (29) min., respectively (p = 0.450). After 28 days, daily mean crying time decrease statistically in the probiotic group: 78 (23) vs. 232 (31), respectively (p < 0.001). Conclusion: The increase in CC-chemokine receptor 7 might have been a response to probiotic treatment. As a relatively small sample was used to conduct this study, our research needs to be replicated in different settings, and over time, to produce comparable findings.

Keywords: CC-chemokine receptor 7; Interleukin 10; Lactobacillus reuteri; breastfeeding; colicky infants.

Research Insights

SupplementHealth OutcomeEffect TypeEffect Size
Lactobacillus reuteri DSM 17938Enhanced CCR7 ExpressionBeneficial
Moderate
Lactobacillus reuteri DSM 17938Reduced Crying DurationBeneficial
Large
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