The role of the innate immune system on pulmonary infections
Author:
Galeas-Pena Michelle1, McLaughlin Nathaniel1, Pociask Derek1
Affiliation:
1. Department of Pulmonary Critical Care and Environmental Medicine , Tulane University School of Medicine , 333 S. Liberty St. , New Orleans, LA 70112 , USA
Abstract
Abstract
Inhalation is required for respiration and life in all vertebrates. This process is not without risk, as it potentially exposes the host to environmental pathogens with every breath. This makes the upper respiratory tract one of the most common routes of infection and one of the leading causes of morbidity and mortality in the world. To combat this, the lung relies on the innate immune defenses. In contrast to the adaptive immune system, the innate immune system does not require sensitization, previous exposure or priming to attack foreign particles. In the lung, the innate immune response starts with the epithelial barrier and mucus production and is reinforced by phagocytic cells and T cells. These cells are vital for the production of cytokines, chemokines and anti-microbial peptides that are critical for clearance of infectious agents. In this review, we discuss all aspects of the innate immune response, with a special emphasis on ways to target aspects of the immune response to combat antibiotic resistant bacteria.
Funder
National Heart, Lung, and Blood Institute
Publisher
Walter de Gruyter GmbH
Subject
Clinical Biochemistry,Molecular Biology,Biochemistry
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