Tissue Clocks Link Aging With Disease - Takeaways - MDSpire

Tissue Clocks Link Aging With Disease

Models trained on histology images detected aging patterns in the brain, gastrointestinal tract, and other organs

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Researchers developed tissue clocks that estimate biological age from histology images, linking aging patterns to disease.
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The study analyzed 25,712 whole-slide images from 40 tissue types collected from 983 postmortem donors.
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A larger tissue age gap indicated older-than-expected tissue and was associated with shorter telomeres and more comorbidities.
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Models trained on the same tissue type performed better, indicating that aging patterns are organ specific.
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Histology images and blood gene expression may reveal signs of tissue-specific aging, but models are not yet ready for diagnostic use.