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Science (New York, N.Y.)·März 2026

Why Your Skin Never Forgets Inflammation, Even Years Later

Kernaussage

This study suggests past inflammatory episodes may permanently alter tissue responses to future stressors.


In mice, skin stem cells can hold lifelong "memories" of past inflammation like psoriasis flares. These memories are stored as epigenetic changes. Specific DNA sequences rich in CpG patterns keep the memory accessible through cell divisions. This means once skin has been inflamed, its stem cells stay primed to react faster and stronger to future triggers.

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