ITLN1 and mesothelioma: Mesothelioma cell lines derived from epithelioid-type MPM – ACC-MESO-1, ACC-MESO-4, MEYK2, MEYK4, NCI-H28, NCI-H2052, and NCI-2452 – secreted intelectin-1 detected by anti-intelectin-1 pAb, yet MSTO-211H derived from lung-metastatic site of biphasic MPM did not secrete intelectin-1 (Figure 2C).