PTPRC and neoplasm: As expected, lungs of cisplatin-treated Oasl1−/− mice contained much more early (Annexin V+/7-AAD−) and late (Annexin V+/7-AAD+) apoptotic cells within nonhematopoietic cells (CD45− cells, mainly tumor cells) [28, 29] than untreated Oasl1−/− mice (Figures 4(b) and 4(c)).