Nicotinamide Attenuates the Progression of Renal Failure in a Mouse Model of Adenine-Induced Chronic Kidney Disease.

Nicotinamide Attenuates the Progression of Renal Failure in a Mouse Model of Adenine-Induced Chronic Kidney Disease.
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烟酰胺可减轻腺嘌呤诱发的慢性肾病小鼠模型中肾衰竭的进展。

DOI:
10.3390/toxins13010050
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发表时间:
2021-01-11
期刊:
影响因子:
4.2
通讯作者:
Takahashi N
Takahashi N
中科院分区:
医学2区
文献类型:
--
作者:
Kumakura S;Sato E;Sekimoto A;Hashizume Y;Yamakage S;Miyazaki M;Ito S;Harigae H;Takahashi N

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烟酰胺腺嘌呤二核苷酸 (NAD+) 为脱氧和抗炎反应提供能量,促进三磷酸腺苷 (ATP) 的产生。肾脏是体液的重要调节者,通过排泄多种代谢物来调节体液。慢性肾脏病(CKD)会导致尿毒症毒素积聚,从而引发慢性炎症。在这项研究中,通过向腺嘌呤诱导的 CKD 小鼠模型补充 NAD+ 的前体烟酰胺 (Nam),研究了 NAD+ 在肾脏疾病中的作用。补充 Nam 可以减少肾脏炎症和纤维化,从而防止肾脏疾病的进展。值得注意的是,补充 Nam 还可以减弱肾衰竭时发生的糖酵解和克雷布斯循环代谢物的积累。这些影响是由于 NAD+ 供应增加,从而加速了 NAD+ 消耗代谢途径。我们的研究表明 Nam 给药可能是预防 CKD 的一种新的治疗方法。
Nicotinamide adenine dinucleotide (NAD+) supplies energy for deoxidation and anti-inflammatory reactions fostering the production of adenosine triphosphate (ATP). The kidney is an essential regulator of body fluids through the excretion of numerous metabolites. Chronic kidney disease (CKD) leads to the accumulation of uremic toxins, which induces chronic inflammation. In this study, the role of NAD+ in kidney disease was investigated through the supplementation of nicotinamide (Nam), a precursor of NAD+, to an adenine-induced CKD mouse model. Nam supplementation reduced kidney inflammation and fibrosis and, therefore, prevented the progression of kidney disease. Notably, Nam supplementation also attenuated the accumulation of glycolysis and Krebs cycle metabolites that occurs in renal failure. These effects were due to increased NAD+ supply, which accelerated NAD+-consuming metabolic pathways. Our study suggests that Nam administration may be a novel therapeutic approach for CKD prevention.
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