Histamine receptor agonist alleviates severe cardiorenal damages by eliciting anti-inflammatory programming

Author:

Noguchi KazuyukiORCID,Ishida Junji,Kim Jun-Dal,Muromachi Naoto,Kako Koichiro,Mizukami Hayase,Lu Weizhe,Ishimaru Tomohiro,Kawasaki Shohei,Kaneko ShuzoORCID,Usui JoichiORCID,Ohtsu Hiroshi,Yamagata Kunihiro,Fukamizu Akiyoshi

Abstract

Heart failure and chronic kidney disease are major causes of morbidity and mortality internationally. Although these dysfunctions are common and frequently coexist, the factors involved in their relationship in cardiorenal regulation are still largely unknown, mainly due to a lack of detailed molecular targets. Here, we found the increased plasma histamine in a preclinical mouse model of severe cardiac dysfunction, that had been cotreated with angiotensin II (Ang II), nephrectomy, and salt (ANS). The ANS mice exhibited impaired renal function accompanied with heart failure, and histamine depletion, by the genetic inactivation of histidine decarboxylase in mice, exacerbated the ANS-induced cardiac and renal abnormalities, including the reduction of left ventricular fractional shortening and renal glomerular and tubular injuries. Interestingly, while the pharmacological inhibition of the histamine receptor H3 facilitated heart failure and kidney injury in ANS mice, administration of the H3 agonist immethridine (Imm) was protective against cardiorenal damages. Transcriptome analysis of the kidney and biochemical examinations using blood samples illustrated that the increased inflammation in ANS mice was alleviated by Imm. Our results extend the pharmacological use of H3 agonists beyond the initial purposes of its drug development for neurogenerative diseases and have implications for therapeutic potential of H3 agonists that invoke the anti-inflammatory gene expression programming against cardiorenal damages.

Funder

Commissioned Project of Kamisu Medical Foundation Center Promotion Program, Saiseikai Imperial Gift Foundation, Inc

Practocal Research Project for Renal Diseases from the Japan Agency for Medical Research and Development, AMED

Grant-in Aid for Scientific Research (A) from the Ministry of Education, Culture, Sports, Science and Technology of Japan

The TARA project from University of Tsukuba

Grant-in Aid for Scientific Research (C) from the Ministry of Education, Culture, Sports, Science and Technology of Japan

Publisher

Proceedings of the National Academy of Sciences

Subject

Multidisciplinary

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