Airway Smooth Muscle and Respiratory Diseases

A special issue of Biology (ISSN 2079-7737). This special issue belongs to the section "Cell Biology".

Deadline for manuscript submissions: 31 August 2025 | Viewed by 854

Special Issue Editor


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Guest Editor
1. Pharmacology & Toxicology, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
2. Rutgers Institute for Translational Medicine & Science (RITMS), Rutgers, The State University of New Jersey, New Brunswick, NJ 08901, USA
Interests: airway smooth muscle and asthma; metabolic regulation of airway smooth muscle; pulmonary fibrosis

Special Issue Information

Dear Colleagues,

Asthma is characterized by airway hyperresponsiveness (AHR), inflammation and remodeling. Airway smooth muscle (ASM) cells have pivotal roles in all these aspects of asthma. The contractile function of ASM cells primarily contributes to the bronchospasm and reversible airway obstruction seen in asthma exacerbations. Furthermore, the synthetic and secretory functions of ASM cells are pivotal to airway inflammation and remodeling. Bronchodilators, such as beta2 adrenergic agonists, are the mainstay of current asthma treatments. Prolonged and repeated use of beta2 adrenergic agonists, however, results in receptor desensitization and tachyphylaxis in patients with severe asthma. Asthma is also a heterogeneous disease in its origin, and thus presents with heterogeneous response to existing asthma therapeutics among patients. Therefore, novel and druggable targets need to be identified to design new therapeutics to prevent bronchospasm and AHR in asthma. ASM, as the primary driver of bronchospasm, remains an important tissue to focus on for novel drug target research in asthma.

In order to gain a deeper understanding of the role of ASM in all three aspects of asthma pathology—airway hyperreactivity, airway inflammation and remodeling—and to expedite identifying novel, druggable targets related to these aspects, we invite researchers to submit cutting-edge original and review articles on the topic of airway smooth muscle and respiratory diseases. This Special Issue aims to contribute to the much-needed novel knowledge on ASM biology relevant to airway diseases characterized by bronchospasm, such as asthma and COPD.

Dr. Joseph Jude
Guest Editor

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Keywords

  • airway
  • airway smooth muscle
  • asthma
  • COPD
  • airway hyperresponsiveness
  • airway inflammation
  • airway remodeling
  • bronchospasm
  • bronchodilators

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Published Papers (1 paper)

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Research

15 pages, 2978 KiB  
Article
Nitric Oxide Donor Metallodrug: Single-Inhaler Proposal for Rescue in Acute Allergic Asthma Crises
by Paula Priscila Correia Costa, Stefanie Bressan Waller, Hálef Herbet Ramos, Belarmino Eugênio Lopes Neto and Wesley Lyeverton Correia Ribeiro
Biology 2025, 14(3), 244; https://doi.org/10.3390/biology14030244 - 27 Feb 2025
Viewed by 454
Abstract
Allergic asthma is characterized by chronic airway inflammation and recurrent bronchial hyperreactivity, highlighting the need for rapid therapeutic interventions during acute crises. This study aimed to assess the potential of a single-dose administration of the ruthenium nitrosyl complex cis-[Ru(bpy)2(2-MIM)(NO)](PG6 [...] Read more.
Allergic asthma is characterized by chronic airway inflammation and recurrent bronchial hyperreactivity, highlighting the need for rapid therapeutic interventions during acute crises. This study aimed to assess the potential of a single-dose administration of the ruthenium nitrosyl complex cis-[Ru(bpy)2(2-MIM)(NO)](PG6)3 (named as FOR811A) as a fast-acting treatment in a murine model of allergic asthma. Female Swiss mice were sensitized with ovalbumin for the induction of asthma and subjected to inhalation challenges. The experimental groups included controls and ovalbumin-sensitized mice receiving FOR811A (0.75 mg/kg) or saline (NaCl 0.9%), both by gavage. Lung tissues were collected for analyses of oxidative damage (nitrite/nitrate and GSH), inflammatory markers (myeloperoxidase, IL-1β, and IL-4), and histological assessment. The results showed that, while FOR811A did not significantly reduce oxidative damage or overall inflammation, it effectively decreased IL-4 levels, indicating a modulation of the Th2 immune response without affecting IL-1β levels (Th1 response). These findings suggest that a single-dose administration of FOR811A may provide a rapid therapeutic effect in allergic asthma crises by promoting smooth muscle relaxation and modulating immune responses. Further research is warranted to explore its clinical utility as a fast-acting rescue medication for acute asthma management. Full article
(This article belongs to the Special Issue Airway Smooth Muscle and Respiratory Diseases)
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