The protective role of probiotics in sepsis-induced rats
ULUSAL TRAVMA VE ACIL CERRAHI DERGISI-TURKISH JOURNAL OF TRAUMA & EMERGENCY SURGERY
Authors: Yilmaz, Mustafa; Erdem, Ali Onur
BACKGROUND: Probiotic ingestion is associated with an increase in intestinal flora of useful bacteria, which contributes to the known protective effects it has on the intestinal barrier and thereby reducing infection. The present study aims to investigate the protective effect of Lactobacillus rhamnosus gg (LGG) as an important probiotic with gastrointestinal barrier strengthening effect in sepsis. METHODS: Our study was conducted in the Animal Experiments Laboratory after obtaining ethicalapproval to conduct this study. Twenty-four rats were randomly divided into threegroups and group 1 (control group n=8), group 2 (sepsis group, n=8), group 3 (sepsis + probiotic group, n=8) were planned as double-blind. LGG was used as a probiotic. For the sepsis model, E. coli (0111: B4) was injected intraperitoneally, and the rats were sacrificed 48 hours after treatment. Blood samples were collected from all animals before sacrification and sent to the biochemistry laboratory to evaluate oxidant and antioxidant parameters. RESULTS: CRP values of Group 1 were significantly lower than Group 2, and CRP values of Group 3 were significantly lower. While total thiol levels of Group 2 were significantly lower than Group 1, total thiol levels of Group 3 were significantly higher than Group 2. There was no statistically significant difference between the groups for eNOS, GPX, PON1 and MDA levels. CONCLUSION: Prophylactic use of probiotics, such as LGG to reduce bacterial translocation and strengthen the immune system, is an inexpensive and effective method of treatment, and we recommend the repetition of studies supported by prospective clinical trials.
Prospective association of physical activity and inflammatory biomarkers in older adults from the PREDIMED-Plus study with overweight or obesity and metabolic syndrome
Authors: Cardenas Fuentes, Gabriela; Castaner, Olga; Warnberg, Julia; Subirana, Isaac; Buil-Cosiales, Pilar; Salas-Salvado, Jordi; Corella, Dolores; Serra-Majem, Lluis; Romaguera, Dora; Estruch, Ramon; Alfredo Martinez, J.; Pinto, Xavier; Vazquez, Clotilde; Vidal, Josep; Tur, Josep A.; Aros, Fernando; Bullo, Monica; Fito, Montserrat; Schroder, Helmut
Background: There is limited prospective evidence on the association between physical activity (PA) and inflammation in older adults. Our aim was to assess the associations between changes in PA and changes in the inflammatory profile in older individuals who are overweight or obese. Methods: This prospective study included 489 men and women, aged 55-75 years, from the PREDIMEDPlus trial. Levels of interleukin 6 (IL-6), interleukin 8 (IL-8), interleukin 18 (IL-18), monocyte chemoattractant protein-1 (MCP-1), C-peptide, high-sensitivity C-reactive protein (hs-CRP), leptin, and regulated on activation, normal T-cell expressed and secreted chemokine (RANTES) were obtained from fasting blood samples and a composite inflammatory score based on these biomarkers was calculated. Physical activity was measured by a validated questionnaire. All measures were taken at baseline and one-year follow-up. Results: Multiple linear regression models showed an association between an increase in total PA and a decrease in the inflammatory score (p = 0.012), which was particularly driven by a decrease in C-peptide (p = 0.037). Similarly, the inflammatory score decreased with increasing moderate PA (p = 0.001), and moderate-to-vigorous PA (p = 0.006). Conclusions: Increases in total PA, moderate and moderate-to-vigorous PA were associated with a decrease in the inflammatory profile of obese or overweight older individuals. This finding is relevant for PA recommendations and public health strategies. (C) 2020 Published by Elsevier Ltd.