Abstract:
:The potential benefiting effects of probiotic Dahi on age-inflicted accumulation of oxidation products, antioxidant enzymes and expression of biomarkers of ageing were evaluated in mice. Probiotic Dahi were prepared by co-culturing in buffalo milk (3% fat) Dahi bacteria (Lactococcus lactis ssp. cremoris NCDC-86 and Lactococcus lactis ssp. lactis biovar diacetylactis NCDC-60) along with selected strain of Lactobacillus acidophilus LaVK2 (La-Dahi) or combined L. acidophilus and Bifidobacterium bifidum BbVK3 (LaBb-Dahi). Four groups of 12 months old mice (6 each) were fed for 4 months supplements (5 g/day) of buffalo milk (3% fat), Dahi, La-Dahi and LaBb-Dahi, respectively, with basal diet. The activities of catalase (CAT) and glutathione peroxidase (GPx) declined and the contents of oxidation products, thiobarbituric acid reactive substances (TBARS) and protein carbonyls, increased in red blood corpuscles (RBCs), liver, kidney and heart tissues and superoxide dismutase (SOD) activity increased in RBCs and hepatic tissues during ageing of mice. Feeding ageing mice with La-Dahi or LaBb-Dahi increased CAT activity in all the four tissues, and GPx activity in RBCs and hepatic tissue, and a significant decline in TBARS in plasma, kidney and hepatic tissues and protein carbonyls in plasma. Feeding mice with probiotic Dahi also reversed age related decline in expression of biomarkers of ageing, peroxisome proliferators activated receptor-α, senescence marker protein-30 (SMP-30) and klotho in hepatic and kidney tissues. The present study suggests that probiotic Dahi containing selected strains of bacteria can be used as a potential nutraceutical intervention to combat oxidative stress and molecular alterations associated with ageing.
journal_name
Mol Biol Repjournal_title
Molecular biology reportsauthors
Kaushal D,Kansal VKdoi
10.1007/s11033-011-0920-1subject
Has Abstractpub_date
2012-02-01 00:00:00pages
1791-9issue
2eissn
0301-4851issn
1573-4978journal_volume
39pub_type
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