Effects of Synbiotics and Probiotics Supplementation on Serum Levels of Endotoxin, Heat Shock Protein 70 Antibodies and Inflammatory Markers in Hemodialysis Patients: a Randomized Double-Blinded Controlled Trial
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The aim of this study was to investigate the effects of probiotic and synbiotic supplementation on serum inflammatory markers, endotoxin, and anti-HSP70 in hemodialysis (HD) patients. This study was a randomized, double-blind, placebo-controlled trial. Seventy-five hemodialysis patients who met the inclusion and exclusion criteria were randomly assigned for 12 weeks to one of the three arms: synbiotics [n = 23; 15 g of prebiotics, 5 g of probiotic powder containing Lactobacillus acidophilus T16, Bifidobacterium bifidum BIA-6, Bifidobacterium lactis BIA-6, and Bifidobacterium longum LAF-5 (2.7 × 10 CFU/g each)], probiotics [n = 23; 5 g probiotics as in synbiotic group with 15 g of maltodextrin in the sachet as placebo], and placebo [n = 19; 20 g of maltodextrin in the sachet]. Blood and feces were collected at baseline and after intervention. Serum high sensitive C-reactive protein (hs-CRP), interleukin-6, endotoxin, and anti-heat shock protein 70 antibodies (anti-HSP70) were measured. The number of fecal colonies was determined using the plate-counting method. The mean serum level of hs-CRP, anti-HSP70, and endotoxin decreased significantly between groups (p = 0.007, p = 0.037, and p = 0.036, respectively). For the synbiotic group, the mean changes in hs-CRP and IL-6 were significantly lower than for the placebo (p < 0.001 and p < 0.001, respectively) and probiotic group (p = 0.011 and p = 0.008, respectively). Anti-HSP70 mean changes in the synbiotic and probiotic groups differed from the placebo group (p = 0.002 and p = 0.013, respectively). Administration of synbiotics was more effective than probiotics for improvement of inflammatory markers, endotoxin and anti-HSP70 serum levels. Trial registration number: IRCT2017041233393N1.
Neda Haghighat,Majid Mohammadshahi,Shokouh Shayanpour,Mohammad Hossein Haghighizadeh