Target intelligence / Profile preview

Alveolar Surface Tension (N/A)

Target
N/A
Molecular classification
Biophysical Property
01

Overview

Alveolar surface tension is the force exerted by water molecules at the air-liquid interface lining the alveoli in the lungs. It is a critical biophysical property that affects lung mechanics and alveolar stability. While necessary for normal lung function, excessive surface tension can lead to alveolar collapse. Pulmonary surfactant, produced by type II pneumocytes, reduces alveolar surface tension, preventing atelectasis and facilitating efficient respiration.

Other names
Lung Surface TensionPulmonary Surface Tension
02

Mechanism of action

Exogenous surfactant reduces alveolar surface tension, preventing collapse and improving gas exchange.

03

Biological functions

Lung mechanicsAlveolar stabilityGas exchangeBreathing
04

Disease associations

Respiratory distress syndromeAtelectasisAcute respiratory distress syndrome (ARDS)
05

Safety considerations

Barotrauma (from mechanical ventilation)Oxygen toxicityInfection
06

Interacting drugs

Exogenous Surfactant (e.g., Beractant, Poractant alfa, Calfactant)
07

Biomarkers

Surfactant protein levels (e.g., SP-B)Oxygen saturationA-a gradientLung compliance

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