Nanomedicine (London, England) · 2018
Nanoceria suppresses multiple low doses of streptozotocin-induced Type 1 diabetes by inhibition of Nrf2/NF-κB pathway and reduction of apoptosis.
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Khurana Amit, Tekula Sravani, Godugu Chandraiah
Аннотация
AIM: The present study was designed to probe the antidiabetic effects of nanoceria (NC) in Type 1 diabetes (T1DM).
MATERIALS & METHODS: NC was characterized using scanning electron microscopy, Fourier transform IR, powder x-ray diffraction and zeta sizer. Multiple low doses of streptozotocin (40 mg/kg, intraperitoneally, five consecutive days) induced Type 1 diabetic Swiss mice were treated with NC at two doses (0.2 and 2 mg/kg, ip.).
RESULTS: NC treatment significantly reduced glucose levels and diabetogenesis to 50% (4/8 animals) at 0.2 mg/kg and 37.5% (3/8 animals) at 2.0 mg/kg doses. Cytokines (IL-6 and TNF-α; p < 0.048 at 2 mg/kg) and p65-NF-κB expression were diminished by NC treatment whereas the Nrf2 expression was enhanced by NC intervention indicating the role of modulation of NF-κB/Nrf2 pathway. NC exhibited promising superoxide dismutase 1 mimetic and anti-apoptotic activity.
CONCLUSION: Considered together, our data establishes the antidiabetic potential of NC which may become a novel strategy to combat T1DM in the near future.
MATERIALS & METHODS: NC was characterized using scanning electron microscopy, Fourier transform IR, powder x-ray diffraction and zeta sizer. Multiple low doses of streptozotocin (40 mg/kg, intraperitoneally, five consecutive days) induced Type 1 diabetic Swiss mice were treated with NC at two doses (0.2 and 2 mg/kg, ip.).
RESULTS: NC treatment significantly reduced glucose levels and diabetogenesis to 50% (4/8 animals) at 0.2 mg/kg and 37.5% (3/8 animals) at 2.0 mg/kg doses. Cytokines (IL-6 and TNF-α; p < 0.048 at 2 mg/kg) and p65-NF-κB expression were diminished by NC treatment whereas the Nrf2 expression was enhanced by NC intervention indicating the role of modulation of NF-κB/Nrf2 pathway. NC exhibited promising superoxide dismutase 1 mimetic and anti-apoptotic activity.
CONCLUSION: Considered together, our data establishes the antidiabetic potential of NC which may become a novel strategy to combat T1DM in the near future.