The Role of Inflammation in the Pathogenesis of Viral Respiratory Infections

Overview

Journal Microorganisms

Specialty Microbiology

Date 2025 Jan 8

PMID 39770727

Authors

Arnaud John Kombe Kombe

Leila Fotoohabadi

Yulia Gerasimova

Ravikanth Nanduri

Pratik Lama Tamang

Monisha Kandala

Theodoros Kelesidis

Affiliations

Soon will be listed here.

Abstract

Viral respiratory infections (VRIs) are a leading cause of morbidity and mortality worldwide, making them a significant public health concern. During infection, respiratory viruses, including Influenza virus, SARS-CoV-2, and respiratory syncytial virus (RSV), trigger an antiviral immune response, specifically boosting the inflammatory response that plays a critical role in their pathogenesis. The inflammatory response induced by respiratory viruses can be a double-edged sword since it can be initially induced to be antiviral and protective/reparative from virus-induced injuries. Still, it can also be detrimental to host cells and tissues. However, the mechanisms that differentiate the complex crosstalk between favorable host inflammatory responses and harmful inflammatory responses are poorly understood. This review explores the complex interplay between viral pathogens and the host immune response, mainly focusing on the role of inflammation in the pathogenesis of VRIs. We discuss how inflammation can both contain and exacerbate the progression of viral infections, highlighting potential therapeutic targets and emerging drugs for modulating the aberrant inflammatory responses during VRIs.

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