Eosinophilic Asthma: Pathophysiology and Therapeutic Horizons

Asthma is a prevalent chronic non-communicable disease, affecting approximately 300 million people worldwide. It is characterized by significant airway inflammation, hyperresponsiveness, obstruction, and remodeling. Eosinophilic asthma, a subtype of asthma, involves the accumulation of eosinophils i...

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Main Authors: Musaddique Hussain, Gang Liu
Format: Article
Language:English
Published: MDPI AG 2024-02-01
Series:Cells
Subjects:
Online Access:https://www.mdpi.com/2073-4409/13/5/384
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author Musaddique Hussain
Gang Liu
author_facet Musaddique Hussain
Gang Liu
author_sort Musaddique Hussain
collection DOAJ
description Asthma is a prevalent chronic non-communicable disease, affecting approximately 300 million people worldwide. It is characterized by significant airway inflammation, hyperresponsiveness, obstruction, and remodeling. Eosinophilic asthma, a subtype of asthma, involves the accumulation of eosinophils in the airways. These eosinophils release mediators and cytokines, contributing to severe airway inflammation and tissue damage. Emerging evidence suggests that targeting eosinophils could reduce airway remodeling and slow the progression of asthma. To achieve this, it is essential to understand the immunopathology of asthma, identify specific eosinophil-associated biomarkers, and categorize patients more accurately based on the clinical characteristics (phenotypes) and underlying pathobiological mechanisms (endotypes). This review delves into the role of eosinophils in exacerbating severe asthma, exploring various phenotypes and endotypes, as well as biomarkers. It also examines the current and emerging biological agents that target eosinophils in eosinophilic asthma. By focusing on these aspects, both researchers and clinicians can advance the development of targeted therapies to combat eosinophilic pathology in severe asthma.
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spelling doaj.art-d984083402cc495cb5b799d3f070dd562024-03-12T16:41:31ZengMDPI AGCells2073-44092024-02-0113538410.3390/cells13050384Eosinophilic Asthma: Pathophysiology and Therapeutic HorizonsMusaddique Hussain0Gang Liu1Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USADivision of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USAAsthma is a prevalent chronic non-communicable disease, affecting approximately 300 million people worldwide. It is characterized by significant airway inflammation, hyperresponsiveness, obstruction, and remodeling. Eosinophilic asthma, a subtype of asthma, involves the accumulation of eosinophils in the airways. These eosinophils release mediators and cytokines, contributing to severe airway inflammation and tissue damage. Emerging evidence suggests that targeting eosinophils could reduce airway remodeling and slow the progression of asthma. To achieve this, it is essential to understand the immunopathology of asthma, identify specific eosinophil-associated biomarkers, and categorize patients more accurately based on the clinical characteristics (phenotypes) and underlying pathobiological mechanisms (endotypes). This review delves into the role of eosinophils in exacerbating severe asthma, exploring various phenotypes and endotypes, as well as biomarkers. It also examines the current and emerging biological agents that target eosinophils in eosinophilic asthma. By focusing on these aspects, both researchers and clinicians can advance the development of targeted therapies to combat eosinophilic pathology in severe asthma.https://www.mdpi.com/2073-4409/13/5/384asthmaeosinophileosinophilic asthmabiomarkersinflammationinterleukins
spellingShingle Musaddique Hussain
Gang Liu
Eosinophilic Asthma: Pathophysiology and Therapeutic Horizons
Cells
asthma
eosinophil
eosinophilic asthma
biomarkers
inflammation
interleukins
title Eosinophilic Asthma: Pathophysiology and Therapeutic Horizons
title_full Eosinophilic Asthma: Pathophysiology and Therapeutic Horizons
title_fullStr Eosinophilic Asthma: Pathophysiology and Therapeutic Horizons
title_full_unstemmed Eosinophilic Asthma: Pathophysiology and Therapeutic Horizons
title_short Eosinophilic Asthma: Pathophysiology and Therapeutic Horizons
title_sort eosinophilic asthma pathophysiology and therapeutic horizons
topic asthma
eosinophil
eosinophilic asthma
biomarkers
inflammation
interleukins
url https://www.mdpi.com/2073-4409/13/5/384
work_keys_str_mv AT musaddiquehussain eosinophilicasthmapathophysiologyandtherapeutichorizons
AT gangliu eosinophilicasthmapathophysiologyandtherapeutichorizons