cell: A549 cell organism: Human cell description: epithelial cell line "This line was initiated in 1972 by D.J. Giard, et al. through explant culture of lung carcinomatous tissue from a 58-year-old Caucasian male." - ATCC, derived from a lung carcinoma tissue. (PMID: 175022) cell karyotype: cancer cell lineage: endoderm cell sex: M replicate: 1