Okanin alleviates symptoms of nociceptive-like responses in diabetic peripheral neuropathy in type 1 diabetic Wistar rats by regulating the AGEs/NF-κB/Nrf-2 pathway


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Okanin alleviates symptoms of nociceptive-like responses in diabetic peripheral neuropathy in type 1 diabetic Wistar rats by regulating the AGEs/NF-κB/Nrf-2 pathway

Elevated reactive species and AGEs contribute to deregulation of transcription factors e.g., NF-κB and Nrf2 in diabetic peripheral neuropathy (DPN). Okanin, a bioactive chalcone, is active against redox imbalance, immune response, and pro-inflammatory events. The current investigation assessed effects of okanin in streptozotocin-induced DPN in rats. Wistar rats were divided into 6 groups (n = 6): Control, DPN, Okanin 2.5, Okanin 5, Okanin 10, and Gpn (Gabapentin). After 6 weeks of streptozotocin (55 mg/kg) injection, okanin (2.5, 5, 10 mg/kg), and gabapentin (50 mg/kg), were administered for 4 weeks. The streptozotocin-induced reduction in body weight, and increased feed/water intake, insulin, glucose, and HbA1c levels were mitigated by okanin or gabapentin. In DPN rats, Okanin or gabapentin ameliorated insulin resistance and β-cell function, inflammatory indices, and oxidative stress in the sciatic nerve of rodents thereby culminating in a decrease in hyperalgesia and allo dynia. Okanin and streptozotocin-treated rats had significantly declined levels of AGEs, the receptor for AGEs, and NF-κB, and an upsurge in Nrf2 expression. In streptozotocin-induced DPN model, okanin ameliorates nociceptive-like responses by regulating the AGEs/NF-κB/Nrf2 pathway, suggesting that okanin has therapeutic value against DPN which needs further studies involving human subjects. © 2024

Authors : Ganie M.R.; Khan N.; Shukla M.; Sood S.; Devi S.; Arora P.; Kumar M.; Najar I.A.; Tang J.

Source : Japanese Pharmacological Society

Article Information

Year 2025
Type Article
DOI 10.1016/j.jphs.2024.11.003
ISSN 13478613
Volume 157

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