Morphology:Epithelial-like. Ultrastructural features include microvilli and microfilaments. Few mitochondria, lysosomes or lipid droplets. Frequent multilamellar bodies. No virus particles.
Tumorigenic:Yes, in nude mice. Forms clear cell carcinoma
Karyotype:(P8) hypopentaploid to hypohexaploid (+A2, +A3, +B, +C, +D, +F, +G, -A) with abnormalities including dicentrics, acrocentric fragments, minutes, breaks, and large subtelocentric markers