Journal
NUTRIENTS
Volume 15, Issue 17, Pages -Publisher
MDPI
DOI: 10.3390/nu15173685
Keywords
probiotics; SLAB51; oxygen; hypoxia; hyperoxia; preterm infants
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This study aimed to evaluate the effectiveness of a single administration of the SLAB51 probiotic formula in improving oxygenation in premature babies with respiratory distress syndrome. The results showed that the SLAB51-treated group had significantly increased SaO2 levels and SaO2/FiO2 ratio, while the control group showed no changes. Additionally, the study found that SLAB51 can enhance antioxidant responses in intestinal epithelial cells. Therefore, SLAB51 represents a promising approach to manage preterm infants requiring oxygen supplementation.
Preterm infants are at risk of hypoxia and hyperoxia because of the immaturity of their respiratory and antioxidant systems, linked to increased morbidity and mortality. This study aimed to evaluate the efficacy of a single administration of the SLAB51 probiotic formula in improving oxygenation in respiratory distress syndrome (RDS)-affected premature babies, thus reducing their need for oxygen administration. Additionally, the capability of SLAB51 in activating the factor-erythroid 2-related factor (Nrf2) responsible for antioxidant responses was evaluated in vitro. In two groups of oxygen-treated preterm infants with similar SaO2 values, SLAB51 or a placebo was given. After two hours, the SLAB51-treated group showed a significant increase in SaO2 levels and the SaO2/FiO2 ratio, while the control group showed no changes. Significantly increased Nrf2 activation was observed in intestinal epithelial cells (IECs) exposed to SLAB51 lysates. In preterm infants, we confirmed the previously observed SLAB51's oxygen-sparing effect, permitting an improvement in SaO2 levels. We also provided evidence of SLAB51's potential to enhance antioxidant responses, thus counteracting the detrimental effects of hyperoxia. Although further studies are needed to support our data, SLAB51 represents a promising approach to managing preterm infants requiring oxygen supplementation.
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