On January 31, 2022, Miao, Hua; Wu, Xia-Qing; Wang, Yan-Ni; Chen, Dan-Qian; Chen, Lin; Vaziri, Nosratola D.; Zhuang, Shougang; Guo, Yan; Su, Wei; Ma, Shi-Xing; Zhang, Huan-Qiao; Shang, You-Quan; Yu, Xiao-Yong; Zhao, Yan-Long; Mao, Jia-Rong; Gao, Ming; Zhang, Jin-Hua; Zhao, Jin; Zhang, Yuan; Zhang, Li; Zhao, Ying-Yong; Cao, Gang published an article.Name: 3-Hydroxyphenylacetic acid The title of the article was 1-Hydroxypyrene mediates renal fibrosis through aryl hydrocarbon receptor signalling pathway. And the article contained the following:
In chronic kidney disease (CKD), patients inevitably reach end-stage renal disease and require renal transplant. Evidence suggests that CKD is associated with metabolite disorders. However, the mol. pathways targeted by metabolites remain enigmatic. Here, we describe roles of 1-hydroxypyrene in mediating renal fibrosis. We analyzed 5406 urine and serum samples from patients with Stage 1-5 CKD using metabolomics, and 1-hydroxypyrene was identified and validated using longitudinal and drug intervention cohorts as well as 5/6 nephrectomized and adenine-induced rats. We identified correlations between the urine and serum levels of 1-hydroxypyrene and the estimated GFR in patients with CKD onset and progression. Moreover, increased 1-hydroxypyrene levels in serum and kidney tissues correlated with decreased renal function in two rat models. Up-regulated mRNA expression of aryl hydrocarbon receptor and its target genes, including CYP1A1, CYP1A2 and CYP1B1, were observed in patients and rats with progressive CKD. Further we showed up-regulated mRNA expression of aryl hydrocarbon receptor and its three target genes, plus up-regulated nuclear aryl hydrocarbon receptor protein levels in mice and HK-2 cells treated with 1-hydroxypyrene, which caused accumulation of extracellular matrix components. Treatment with aryl hydrocarbon receptor short hairpin RNA or flavonoids inhibited mRNA expression of aryl hydrocarbon receptor and its target genes in 1-hydroxypyrene-induced HK-2 cells and mice. Metabolite 1-hydroxypyrene was demonstrated to mediate renal fibrosis through activation of the aryl hydrocarbon receptor signalling pathway. Targeting aryl hydrocarbon receptor may be an alternative therapeutic strategy for CKD progression. The experimental process involved the reaction of 3-Hydroxyphenylacetic acid(cas: 621-37-4).Name: 3-Hydroxyphenylacetic acid
The Article related to renal fibrosis 1 hydroxypyrene aryl hydrocarbon receptor, 1-hydroxypyrene, aryl hydrocarbon receptor, chronic kidney disease, flavonoid, glomerular filtration rate, metabolomics and other aspects.Name: 3-Hydroxyphenylacetic acid
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