What question did this study set out to answer?

March 24, 2026European Respiratory Journal

Real-time microscopy of interactions between alveolar macrophages and the alveolar epithelium in situ

View Full Paper

Ask AI

Bookmark

Authors

KWKristin WestphalenPulmonary and Allergy Associates JBJahar BhattacharyaColumbia University Irving Medical Center

Discussion

Member takes

Implication

Demonstrates how alveolar macrophages communicate with the alveolar epithelium to regulate lung inflammation, implying a significant role in lung injury modulation.

Key Points

This research aims to understand the interaction between alveolar macrophages and the alveolar epithelium, particularly focusing on gap junctional channels.
Expressed Enhanced Yellow Fluorescent Protein in alveolar macrophages for visualization
Isolated and perfused lungs from AM YFP mice
Used confocal microscopy to image lungs
Micropunctured alveoli and infused dyes to study interactions
Crossed AM YFP mice with Cx43 floxed/floxed mice to assess gap junctions
38±10% of alveolar macrophages formed functional gap junctional channels with the epithelium
AM-specific knockout of Cx43 led to double the neutrophil recruitment compared to wild-type
Knockout mice showed reduced survival rates after LPS treatment
Increased levels of macrophage-derived cytokine (MIP-1alpha) and epithelial-derived cytokines (CXCL1 and CXCL5) were found in bronchoalveolar lavage

Cite This Study

Westphalen et al. (2014) studied this question.

synapsesocial.com/papers/69c22975aeb5a845df0d3e83 https://doi.org/10.1183/13993003/erj.44.suppl_58.p880

View Full Paper

Ask AI

Bookmark

Implication

Demonstrates how alveolar macrophages communicate with the alveolar epithelium to regulate lung inflammation, implying a significant role in lung injury modulation.

Real-time microscopy of interactions between alveolar macrophages and the alveolar epithelium in situ

Discussion

Member takes

Implication

Key Points

Cite This Study

Real-time microscopy of interactions between alveolar macrophages and the alveolar epithelium in situ

Discussion

Member takes

Implication

Key Points

Cite This Study

Also Consider

Also Consider