Related Experiment Video
Updated: Mar 11, 2026

Visualizing Lung Cellular Adaptations during Combined Ozone and LPS Induced Murine Acute Lung Injury
Published on: March 21, 2021
Nitric oxide and hyperoxic acute lung injury
Wen-Wu Liu1, Cui-Hong Han2, Pei-Xi Zhang3
1Department of Diving and Hyperbaric Medicine, Secondary Military Medical University, Shanghai, China.
Hyperoxic acute lung injury (HALI) involves lung damage from high oxygen. This review explores the conflicting roles of nitric oxide (NO) in HALI pathogenesis and its therapeutic potential.
Area of Science:
- Pulmonary Medicine
- Toxicology
- Physiology
Background:
- Hyperoxic acute lung injury (HALI) is lung damage from excessive oxygen exposure, relevant in diving and medical oxygen use.
- The exact mechanisms of HALI are debated, despite extensive research.
- Nitric oxide (NO), a key signaling molecule, has a complex and conflicting role in HALI.
Approach:
- This paper reviews existing research on the role of nitric oxide in HALI.
- It examines the scientific literature regarding NO's involvement in HALI development.
- The therapeutic potential of inhaled nitric oxide for HALI is also discussed.
Key Points:
- Nitric oxide's function in HALI pathogenesis is not fully understood and appears contradictory.
- Conflicting findings exist regarding NO's influence on the development and progression of HALI.
- Inhaled NO is an established therapy for other respiratory conditions, suggesting potential for HALI.
Conclusions:
- Further research is needed to clarify the precise role of nitric oxide in HALI.
- Understanding NO's dual role could lead to novel therapeutic strategies for HALI.
- Inhaled nitric oxide warrants investigation as a potential treatment for hyperoxic acute lung injury.
More Related Videos
05:46A Novel Inhalation Mask System to Deliver High Concentrations of Nitric Oxide Gas in Spontaneously Breathing Subjects
Published on: May 4, 2021
08:23Chemiluminescence-based Assays for Detection of Nitric Oxide and its Derivatives from Autoxidation and Nitrosated Compounds
Published on: February 16, 2022
Related Concept Videos
Acute Respiratory Failure-II
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
Nitric Oxide Signaling Pathway
Acute Respiratory Failure-I
Definition: It is defined by specific criteria based on blood gas measurements. Hypoxemia happens when the partial pressure of oxygen (PaO2) falls below 60 mmHg. At the same time,...
Hypoxia
Types of Hypoxia
There are four primary types of hypoxia, each resulting from a different cause:
1. Anemic hypoxia: This type occurs due to insufficient oxygen delivery caused by a lack of red blood cells (RBCs) or RBCs with abnormal or...
Physiological Control of Respiration
Breathing, a seemingly passive process, is regulated by the respiratory center in the brainstem. This center coordinates the involuntary control of respirations, which means it occurs without conscious effort, ensuring a smooth and uninterrupted pattern.
Regulation of Ventilation
The body maintains ventilation by monitoring levels of carbon dioxide (CO2), oxygen (O2), and hydrogen ion concentration (pH) in the arterial blood. Among these factors, the level of CO2 plays a crucial...
Acute Respiratory Failure-III