Cathelicidin Protects Mice from Rhabdomyolysis-induced Acute Kidney Injury

Overview

Journal Int J Med Sci

Specialty General Medicine

Date 2021 Jan 18

PMID 33456345

Authors

Beatriz Helena Cermaria Soares da Silva

Suely Kubo Ariga

Hermes Vieira Barbeiro

Rildo Aparecido Volpini

Denise Frediani Barbeiro

Antonio Carlos Seguro

Fabiano Pinheiro da Silva

Affiliations

Soon will be listed here.

Abstract

Cathelicidins are ancient and well-conserved antimicrobial peptides (AMPs) with intriguing immunomodulatory properties in both infectious and non-infectious inflammatory diseases. In addition to direct antimicrobial activity, cathelicidins also participate in several signaling pathways inducing both pro-inflammatory and anti-inflammatory effects. Acute kidney injury (AKI) is common in critically ill patients and is associated with high mortality and morbidity. Rhabdomyolysis is a major trigger of AKI. Here, we investigated the role of cathelicidins in non-infectious Acute kidney Injury (AKI). Using an experimental model of rhabdomyolysis, we induced AKI in wild-type and cathelicidin-related AMP knockout (CRAMP) mice. Results: We previously demonstrated that CRAMP mice, as opposed wild-type mice, are protected from AKI during sepsis induced by cecal ligation and puncture. Conversely, in the current study, we show that CRAMP mice are more susceptible to the rhabdomyolysis model of AKI. A more in-depth investigation of wild-type and CRAMP mice revealed important differences in the levels of several inflammatory mediators. Cathelicidins can induce a varied and even opposing repertoire of immune-inflammatory responses depending on the subjacent disease and the cellular context.

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