Story perspectives

Six piRNAs Predict Two-Year Survival with 86% Accuracy

5/11/2026

Summary

Story summary

Researchers led by Virginia Byers Kraus at Duke Health and the University of Minnesota identified six piRNAs that predict two-year survival with 86 % accuracy, outperforming age.
They analyzed blood from adults 71 and older, assessing 187 clinical factors and 828 small RNAs in 1,200 North Carolina samples linked to national mortality records.
Future work will test whether lifestyle changes, GLP-1 drugs, or interventions can alter piRNA levels to support healthier aging.

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Story summary

Researchers led by Virginia Byers Kraus at Duke Health and the University of Minnesota identified six piRNAs that predict two-year survival with 86 % accuracy, outperforming age.
They analyzed blood from adults 71 and older, assessing 187 clinical factors and 828 small RNAs in 1,200 North Carolina samples linked to national mortality records.
Future work will test whether lifestyle changes, GLP-1 drugs, or interventions can alter piRNA levels to support healthier aging.