Science

Cells 'sense' physical forces to seal tissues and protect organs

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 09/11/2026, 16:55:25 UTC.

Briefings

Northwestern Medicine researchers identified a molecular mechanism allowing epithelial cells to seal tissues and prevent leaks, infection, and inflammation. This discovery, published in the Journal of Cell Biology, explains how these cells maintain protective barriers. The study was led by senior author Cara J. Gottardi, a professor of medicine specializing in pulmonary and critical care and cell development.

Key points

• Epithelial cells utilize a specific molecular mechanism to actively seal tissue breaches, preventing fluid leakage, pathogen entry, and inflammatory responses.
• The study was conducted by Northwestern Medicine scientists, with findings published in the Journal of Cell Biology, led by Professor Cara J. Gottardi.

Context

This research provides a new understanding of epithelial barrier function, which is critical for organ integrity and immune defense. It explains the cellular process behind tissue protection, contributing to broader medical knowledge of organ maintenance.

Limitations

Evidence is limited to the study published in the Journal of Cell Biology. No specific dates, locations, or numerical data beyond the publication date are provided. The study does not report on clinical outcomes, patient populations, or long-term effects.

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