TP53 and mesothelioma: mRNA levels of TP53 and AXL were evaluated by qRT-PCR in three wild type p53 mesothelioma cell lines (MESO296, MESO428, and MESO924) and one mutated p53 mesothelioma cell line JMN1B, at 96 h post-transduction by lentiviral AXL shRNA (Figure 5A).