Abstract
ABSTRACT This study investigated the ability of Lactiplantibacillus plantarum SCS3 (L. plantarum SCS3) to alleviate oxidative stress in diabetic mice. Diabetic mouse model was established by administering 50 mg/kg (bodyweight) of streptozocin for 5 days. We then applied 0.5 mL of 1.0 × 1010 CFU/mL L. plantarum SCS3 cell suspension (TGa group), its intracellular contents (TGb group), or boiled intracellular contents (TGc group) to mice for ten weeks. Compared with the model group (MG), weight loss and hyperglycemia were most effectively ameliorated in the TGc group compared to the other treatment groups; based on the enzyme linked immunosorbent assay, levels of insulin and glycosylated hemoglobin were improved; the reactive oxygen species level decreased, while superoxide dismutase, catalase, and glutathione levels in the TGc mice increased significantly (P < .05). In conclusion, the boiled intracellular contents of L. plantarum SCS3 regulated oxidative stress and improved diabetes-related indicators in diabetic mice.
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