CERS2 and neoplasm: They found EVs enriched in the polypeptide N-acetylgalactosaminyltransferase 1 (GALNT1) and ceramide synthase 2 (CERS2) mRNAs only in cancer patients, while finding EVs enriched in the tumor suppressors, ARHGEF39, and FOXO3 mRNAs only in controls.