Plasma coproporphyrins for evaluating OATP1B and OATP2B1 activities: Coproporphyrin-III unsuitable as an OATP2B1 biomarker in Japanese general population.

Negami J, Suzuki Y, Koyama T, Yamazaki M, Oda A, Ozaki E, Yamamoto Y, Nakatochi M, Momozawa Y, Takashima N, Matsuo K, Ohno K.
Plasma coproporphyrins for evaluating OATP1B and OATP2B1 activities: Coproporphyrin-III unsuitable as an OATP2B1 biomarker in Japanese general population.
Drug Metab Dispos. 2026 Mar 17;54(4):100276.
doi: 10.1016/j.dmd.2026.100276.