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Gene Variant Linked to Severe Liver Injury in Colorectal Cancer

10/1/2025

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Summary

Story summary

Mayo Clinic study links the PNPLA3 I148M gene variant to more severe chemotherapy-related liver injury in colorectal cancer patients.
The research, published in EBioMedicine, analyzed 551 patients who received neoadjuvant chemotherapy before liver surgery.
Homozygous PNPLA3 I148M carriers had significantly worse liver function and overall survival.
Suggests a blood test for personalized management; notes population variation may affect outcomes.

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Story summary

Mayo Clinic study links the PNPLA3 I148M gene variant to more severe chemotherapy-related liver injury in colorectal cancer patients.
The research, published in EBioMedicine, analyzed 551 patients who received neoadjuvant chemotherapy before liver surgery.
Homozygous PNPLA3 I148M carriers had significantly worse liver function and overall survival.
Suggests a blood test for personalized management; notes population variation may affect outcomes.