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Naringenin downregulates inflammation-mediated nitric oxide overproduction and potentiates endogenous antioxidant status during hyperglycemia.
Journal of Food Biochemistry ( IF 3.5 ) Pub Date : 2020-08-07 , DOI: 10.1111/jfbc.13422
Kanwal Rehman 1, 2 , Ikram Ilahee Khan 2 , Muhammad Sajid Hamid Akash 3 , Komal Jabeen 1 , Kamran Haider 1
Affiliation  

Nitric oxide is a key regulating factor for physiological functions, when elevated during inflammatory conditions, NO, can lower endogenous antioxidants level. Naringenin, a bioflavonoid has shown to possess anti‐inflammatory action. However, its role in NO‐mediated responses has not been elucidated till date. This study was designed to investigate antioxidant potential of naringenin against inflammation‐mediated nitric oxide overproduction and antioxidant status with an improved glycemic profile in diabetic rats. From total rats, Group 1 received normal saline, while remaining received single intraperitoneal injection of alloxan and were then equally divided into group 2, 3, and 4, which latter received no‐treatment, metformin (50 mg kg−1 day−1) and naringenin (50 mg kg−1 day−1), respectively, for 1 month. Results showed that naringenin significantly downregulated levels of glucose (p < .05), lipid profile, inflammatory biomarkers, and nitric oxide (p < .01) in alloxan‐induced diabetic rats. It also improved SOD level as compared to that of metformin treatment. This work delivers that naringenin exerts antioxidant effect by downregulating inflammation‐mediated nitric oxide overproduction.

中文翻译:


柚皮素下调炎症介导的一氧化氮过量产生,并增强高血糖期间的内源性抗氧化状态。



一氧化氮是生理功能的关键调节因素,当炎症条件下一氧化氮升高时,可以降低内源性抗氧化剂水平。柚皮素是一种生物类黄酮,已被证明具有抗炎作用。然而,迄今为止,其在 NO 介导的反应中的作用尚未阐明。本研究旨在研究柚皮素对炎症介导的一氧化氮过量产生的抗氧化潜力和抗氧化状态,并改善糖尿病大鼠的血糖状况。从所有大鼠中,第 1 组接受生理盐水,其余接受单次腹腔注射四氧嘧啶,然后均分为第 2、3 和 4 组,后者不接受二甲双胍治疗(50 mg kg -1-1 )和柚皮素(50 mg kg -1-1 ),分别持续1个月。结果表明,柚皮素显着下调四氧嘧啶诱导的糖尿病大鼠的葡萄糖 ( p < .05)、血脂、炎症生物标志物和一氧化氮 ( p < .01) 水平。与二甲双胍治疗相比,它还提高了 SOD 水平。这项工作表明柚皮素通过下调炎症介导的一氧化氮过量产生来发挥抗氧化作用。
更新日期:2020-10-11
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