Abstract Title:

Effects of probiotic yogurt on glycemic indexes and endothelial dysfunction markers in patients with metabolic syndrome.

Abstract Source:

Nutrition. 2019 Jun ;62:162-168. Epub 2019 Jan 2. PMID: 30921552

Abstract Author(s):

Leila Rezazadeh, Bahram Pourghassem Gargari, Mohammad Asghari Jafarabadi, Beitullah Alipour

Article Affiliation:

Leila Rezazadeh


OBJECTIVES: The relationship between gut microflora and metabolic syndrome components such as obesity, low-grade chronic systemic inflammation, dyslipidemia, and altered glucose metabolism is now acknowledged. The aim of this study was to assess the effects of probiotic yogurt on glycemic indexes and endothelial dysfunction markers in patients with metabolic syndrome.

METHODS: This was a randomized, double-blind, placebo-controlled clinical trial of 44 patients with metabolic syndrome (22 men and 22 women), who were 20 to 65 y of age. The patients were assigned to either a treatment or control group and consumed 300g/d of probiotic yogurt containing Lactobacillus acidophilus La5 and Bifidobacterium lactis Bb12 or a regular yogurt for 2 mo, respectively. Each group contained 22 participants. Fasting blood glucose and serum insulin was performed to derive homeostasis model assessment of insulin resistance (HOMA-IR), insulin sensitivity (Quicki), and HOMA ofβ-cell function (HOMA- β). In addition, markers of vascular cell adhesion molecule cell (VCAM)-1, intercellular adhesion molecule cell (ICAM)-1, and plasminogen activator inhibitor (PAI)-1 were measured to evaluate endothelial function at the beginning and at the end of the study.

RESULTS: Consumption of probiotic yogurt resulted in a significant reduction in the level of blood glucose and VCAM-1. Significant changes in PAI-1, VCAM-1, insulin, HOMA-IR, and Quicki were observed in the probiotic yogurt group after intervention compared with baseline.

CONCLUSION: Consumption of probiotic yogurt improved fasting blood glucose and partly modified serum endothelial function markers. These results suggest that regular intake of probiotic yogurt may exert positive effects on the treatment of metabolic syndrome.

Study Type : Human Study

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