Abstract Title:

Chronic administration of the soluble, nonbacterial fraction of kefir attenuates lipid deposition in LDLrmice.

Abstract Source:

Nutrition. 2017 Mar ;35:100-105. Epub 2016 Nov 22. PMID: 28241975

Abstract Author(s):

Adriélly F Santanna, Placielle F Filete, Ewelyne M Lima, Marcella L Porto, Silvana S Meyrelles, Elisardo C Vasquez, Denise C Endringer, Dominik Lenz, Dulcineia S P Abdalla, Thiago M C Pereira, Tadeu U Andrade

Article Affiliation:

Adriélly F Santanna


OBJECTIVES: Kefir is obtained by the action of acidic bacteria and yeasts that exist in symbiotic association in kefir grains. Recently, this fermented milk drink has been recommended for the treatment of several clinical conditions, such as inflammatory, gastrointestinal, or cardiovascular-related diseases, or a combination of these diseases. However, its effects on atherosclerosis are not yet clear. The aim of this study was to prove that chronic treatment with a soluble, nonbacterial fraction of kefir could reduce the progression of atherosclerosis in low-density lipoprotein receptor-deficient (LDLr) mice.

METHODS: LDLrmice were divided into four groups as follows: RESULTS: The soluble, nonbacterial fraction of kefir reduced lipid deposition (P < 0.05) independent of hypercholesterolemia. Moreover, kefir was capable of diminishing the circulating proinflammatory intereukin (IL)-6 level and the ratio of tumor necrosis factor-α to IL-10 (50% and 42%, P < 0.05, respectively) and augmenting the antiinflammatory IL-10 level by approximately 74% (P < 0.05).

CONCLUSIONS: Chronic treatment with a soluble nonbacterial fraction of kefir was able to decrease the lipid deposition in LDLrhypercholesteremic mice, at least in part through modifying the circulating cytokine profile. The beneficial effects of kefir provide new perspectives for its use as an adjuvant in the prevention of atherosclerosis.

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