Co-stimulation: novel methods for preventing viral-induced lung inflammation

Tracy Hussell1, Robert Snelgrove, Ian R Humphreys

  • 1Centre for Molecular Microbiology and Infection, Lord Flowers Building, Imperial College of Science, Technology and Medicine, Exhibition Road, London SW7 2AZ, UK. t.hussell@iperial.ac.uk

Insights

Targeting immune cells like OX40 and 4-1BB offers new ways to treat lung inflammation from viral infections. Recent research shows inhibiting OX40 benefits influenza, suggesting potential for broader immune intervention in respiratory diseases.

Area of Science:

  • Immunology
  • Pulmonology
  • Virology

Background:

  • Respiratory infections lead to significant global morbidity and mortality.
  • While the immune response is crucial for pathogen clearance, excessive inflammation can harm lung tissue and function.
  • Existing immune interventions often lack specificity, targeting broadly rather than antigen-specific immune cells.

Purpose of the Study:

  • To review recent advances in manipulating immune molecules like OX40 and 4-1BB.
  • To explore the application of these manipulations in treating viral lung inflammatory conditions.
  • To highlight the potential of targeted immune interventions for respiratory diseases.

Main Methods:

  • Review of recent scientific literature on T-cell activation pathways.
  • Analysis of studies investigating OX40 and 4-1BB receptor family members.
  • Examination of therapeutic strategies involving immune cell modulation in viral infections.

Main Results:

  • OX40 and 4-1BB are tumor necrosis factor receptor family members expressed on T cells during inflammation.
  • Inhibition of OX40 has demonstrated efficacy in managing influenza virus infections.
  • These findings suggest a potential for targeted immune intervention in viral lung diseases.

Conclusions:

  • Targeting specific immune molecules offers a promising approach to managing inflammatory lung conditions.
  • Modulation of OX40 and 4-1BB presents a potential therapeutic avenue for viral respiratory infections.
  • Further research into targeted immune interventions could reduce morbidity and mortality associated with lung infections.

Related Concept Videos

Respiratory Syncytial Virus Disease01:29

Respiratory Syncytial Virus Disease

Human respiratory syncytial virus (RSV) is a widespread pathogen that primarily targets infants and young children but also poses a serious health risk to elderly and immunocompromised individuals. Belonging to the Pneumoviridae family, RSV is a negative-sense, single-stranded RNA virus within the Pneumovirus genus. Its global health burden is significant, with millions of cases annually resulting in hospitalizations and mortality, particularly in resource-limited settings. Although most...
Chronic Obstructive Pulmonary Disease-V: Management01:29

Chronic Obstructive Pulmonary Disease-V: Management

Managing Chronic Obstructive Pulmonary Disease (COPD) involves a multifaceted approach to reduce symptoms, prevent exacerbations, improve overall health status, and slow disease progression. Key strategies include lifestyle modifications, pharmacotherapy, supportive therapies, and, in some cases, surgery. Here is an overview of the primary COPD management strategies:
Smoking Cessation
Drugs Used in Lower Respiratory Disorders: Overview01:17

Drugs Used in Lower Respiratory Disorders: Overview

Lower respiratory tract disorders present challenges that often require skilled and nuanced approaches for effective management. Common ailments, such as asthma and chronic obstructive pulmonary disease (COPD), have prompted the development of intricate treatment strategies involving bronchodilators and anti-inflammatory drugs, each tailored to ease breathing and revitalize the lungs.
Bronchodilators, the first step of respiration enhancement, come in various forms, each with its own mechanism...