Protease-activated receptor 2 exacerbates adenine-induced renal tubulointerstitial injury in mice.

Abstract:

:Hypercoagulability is associated with chronic kidney disease (CKD). Tissue factor/factor VIIa complex and factor Xa in the coagulation cascade are known to activate protease-activated receptor 2 (PAR2), and to cause inflammation and tissue injury. Although PAR2 is highly expressed in the kidney, it is unclear whether PAR2 plays a pathogenic role in CKD. To test this, we fed the mice lacking Par2 (F2rl1-/-) and wild type (F2rl1+/+) mice with adenine diet to induce tubulointerstitial injury, a hallmark of CKD. Adenine-treated mice showed severe renal dysfunction, tubular atrophy, and fibrosis. Fibrin deposition and the expression of tissue factor and PARs markedly increased in their kidneys. Lack of Par2 attenuated renal histological damage and reduced the expression levels of genes related to inflammation, fibrosis, and oxidative stress. Our data indicate that PAR2 is critically important in the pathogenesis of adenine-induced tubular injury. PAR2 antagonists under development could be useful to treat and prevent CKD.

authors

Hayashi S,Oe Y,Fushima T,Sato E,Sato H,Ito S,Takahashi N

doi

10.1016/j.bbrc.2016.12.108

subject

Has Abstract

pub_date

2017-01-29 00:00:00

pages

547-552

issue

1

eissn

0006-291X

issn

1090-2104

pii

S0006-291X(16)32168-4

journal_volume

483

pub_type

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