Effects of Rikkunshito treatment on renal fibrosis/inflammation and body weight reduction in a unilateral ureteral obstruction model in mice.

Abstract:

:Chronic kidney disease (CKD) progresses to end-stage renal failure via renal tubulointerstitial fibrosis. Malnutrition, inflammation, and arteriosclerosis interact to exacerbate the poor prognosis of CKD, and their effective management is thus essential. The traditional Japanese medicine Rikkunshito (RKT) exerts appetite-stimulating effects via ghrelin, which attenuates inflammation and fibrosis. We evaluated the therapeutic effect of RKT in unilateral ureter obstruction (UUO)-induced renal fibrosis/inflammation and body weight loss in mice. UUO and sham-operated mice were fed a standard diet or diet containing 3.0% RKT. Renal fibrosis was investigated by histopathology and macrophage infiltration was determined by immunohistochemistry. Expression levels of genes associated with fibrosis, inflammation, ghrelin, and mitochondrial function were determined by quantitative reverse transcription-polymerase chain reaction and western blot analyses. RKT treatment partially prevented UUO-induced weight loss but failed to attenuate renal fibrosis and inflammation. Renal expression of sirtuin 1, a ghrelin-downstream signalling molecule, and gene expression of peroxisome proliferator-activated receptor-γ coactivator 1α and Bcl-2/adenovirus E1B interacting protein 3 were unaffected by RKT. These results indicate that RKT inhibits weight loss but does not improve renal fibrosis or inflammation in a rapidly progressive renal fibrosis mouse model. RKT may have a protective effect on weight loss associated with CKD.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Wakui H,Yamaji T,Azushima K,Uneda K,Haruhara K,Nakamura A,Ohki K,Kinguchi S,Kobayashi R,Urate S,Suzuki T,Kamimura D,Minegishi S,Ishigami T,Kanaoka T,Matsuo K,Miyazaki T,Fujikawa T,Yamashita A,Tamura K

doi

10.1038/s41598-020-58214-0

subject

Has Abstract

pub_date

2020-02-05 00:00:00

pages

1782

issue

1

issn

2045-2322

pii

10.1038/s41598-020-58214-0

journal_volume

10

pub_type

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