Pyridoxine exerts antioxidant effects on kidney injury manifestations in high-fat diet-induced obese rats

被引:0
作者
Jaruan, Onanong [1 ]
Promsan, Sasivimon [1 ]
Thongnak, Laongdao [1 ,2 ]
Pengrattanachot, Nattavadee [1 ]
Phengpol, Nichakorn [1 ]
Sutthasupha, Prempree [1 ]
Lungkaphin, Anusorn [1 ,3 ,4 ]
机构
[1] Chiang Mai Univ, Fac Med, Dept Physiol, Chiang Mai 50200, Thailand
[2] Chulabhorn Royal Acad, Princess Srisavangavadhana Coll Med, Bangkok, Thailand
[3] Chiang Mai Univ, Fac Med, Dept Physiol, Funct Foods Hlth & Dis, Chiang Mai, Thailand
[4] Chiang Mai Univ, Funct Food Res Ctr Well Being, Multidisciplinary Res Inst, Chiang Mai, Thailand
关键词
Obesity; Oxidative stress; Kidney injury; Pyridoxine; Advanced-glycation end products; ADIPOSE-TISSUE INFLAMMATION; NF-KAPPA-B; INSULIN-RESISTANCE; OXIDATIVE STRESS; NADPH OXIDASE; RENAL INJURY; EXPRESSION; DISEASE; MODEL; ACTIVATION;
D O I
10.1016/j.cbi.2025.111513
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The modern diet contains a substantial level of fat which is believed to be one of the leading causes of the progression of kidney disease. Several studies have already demonstrated that consumption of a high-fat diet (HFD) induces inflammation and oxidative stress, causing activation of upstream mechanisms associated with kidney injury. For the prevention of such pathological events, a change in diet or the taking of nutritional supplements are recommended as alternative treatments. One of the forms of vitamin B6, pyridoxine (PN), has been shown to be an effective antioxidant and can also inhibit the formation of advanced-glycation end products (AGEs). In this study, the protective effects of PN (100 mg/kg/day for a period of eight weeks) against HFDinduced complications in obese rats were investigated. Rats fed on a HFD developed obesity which promoted inflammation, glucose intolerance, AGE receptor upregulation, oxidative stress, and kidney dysfunction. Intervention using PN mitigated obesity-related events and the impairment of kidney function by markedly reducing oxidative stress and also restoring the activity of antioxidant enzymes. Other studies have shown that some vitamin B6 derivatives inhibit the formation of AGEs but our study shows for the first time that PN exerted an antiglycative effect in this HFD-induced obesity model. Consequently, PN could potentially be a novel supplement for obese individuals to avoid kidney injury.
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页数:10
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