Effect of blood collection tube containing protease inhibitors on the pre-analytical stability of Alzheimer's disease plasma biomarkers.
Yijun ChenXuemei ZengJihui LeeAnuradha SehrawatTara K LaffertyJames J BoslettWilliam E KlunkTharick A PascoalVictor L VillemagneAnnie D CohenOscar LopezNathan A YatesJonathan M SchottPublished in: medRxiv : the preprint server for health sciences (2024)
Supplementation of blood collection tubes with protease inhibitors could reduce the protease-induced degradation of plasma Aβ42 and Aβ40, and the Aβ ratio for IP-MS assay. This has crucial implications for preanalytical procedures, particularly in resource-limited settings.