ZC3HAV1 and neoplasm: Conversely, the in vivo uptake of [18F]olaparib in U251MG (6.1 ± 0.5%ID/g) and U87MG (7.4 ± 0.9%ID/g) xenograft tumours did not align with the expression levels of PARP1-3 from western blot analysis.