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Neoplasma Vol.70, No.4, p. 588–596, 2023 |
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Title: The effect of physical exercise and dairy probiotics (Lactobacillus casei) on gut microbiome in childhood cancer survivors | ||
Author: Viktor Bielik, Ivan Hric, Sabína SmahovA, Miriam Tkačiková, Veronika Hlaváčová, Libuša Nechalová, Simona Ugrayová, Alexandra Kolenová | ||
Abstract: Gut microbial dysbiosis persists months after intensive cancer treatment in children and adolescents. This prospective study compared the intestinal microbiome of children 1-3 years after completion of Berlin-Frankfurt-Münster protocol (BFM)-based pediatric ALL (PALL) treatment and healthy controls. To induce a favorable shift in the bacterial composition of the intestines in PALL with gut microbiome disruptions, 8 weeks of physical activity and probiotic consumption were used. Blood analyses and 16S rRNA sequencing for the gut microbiome were performed on 16 pediatric cases and 16 healthy controls. Significant differences in bacterial diversity were found between pre- and post-intervention, respectively (Shannon index, 3.22±0.45 vs. 3.47±0.24, p=0.04; Simpson index, 0.10±0.05 vs. 0.06±0.02, p=0.02; and Chao1 index, 693.88±238.58 vs. 794.23±116.34, p=0.04). Furthermore, the increase in the relative abundance of Lactobacillus casei (5.04E-03±1.62E-02 vs. 2.92E-02±5.03E-02, p=0.04) and the increase in some strains of Veillonella, a bacterial genus recently linked to improved physical fitness, were identified. Promisingly, the exercise program combined with dairy probiotics increased bacterial richness and diversity. |
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Keywords: Veillonella; lactate acid bacteria; probiotics; acute lymphoblastic leukemia | ||
Published online: 03-Oct-2023 | ||
Year: 2023, Volume: 70, Issue: 4 | Page From: 588, Page To: 596 | |
doi:10.4149/neo_2023_230526N287 |
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