Author:
Yang Yan,Sun Yulin,Guan Donglang,Chen Dan,Wang Dijun,Liu Tongtong,Sheng Meixiao,Jing Tao,Jun Shi,Zhu Chan,Yu Guang,Dong Xinzhong,Tang Zongxiang
Abstract
AbstractChronic kidney disease is a disease with decreased, irreversible renal function. Pruritus is the most common skin symptom in patients with chronic kidney disease, especially in end-stage renal disease (AKA chronic kidney disease-associated pruritus [CKD-aP]); however, the underlying molecular and neural mechanism of the CKD-aP in patients remains obscure. Our data show that the level of allantoin increases in the serum of CKD-aP and CKD model mice. Allantoin could induce scratching behavior in mice and active DRG neurons; the calcium influx and the action potential were significantly reduced in DRG neurons of MrgprD KO or TRPV1 KO mice. U73122, an antagonist of PLC, could also block calcium influx in DRG neurons induced by allantoin. Thus, our results concluded that allantoin plays an important role in CKD-aP, mediated by MrgprD and TrpV1, in CKD patients.
Publisher
Cold Spring Harbor Laboratory
Cited by
2 articles.
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