BCL2 and xeroderma pigmentosum: Moreover, eight genes related to the development of liver cancer were among the most discriminating genes involved in cancer development, such as growth arrest and DNA damage inducible 45 alpha (Gadd45a), B-cell cLL/lymphoma 2 (Bcl2), N-myc downstream regulated 1 (Ndr1), and xeroderma pigmentosum complementation group C (Xpc).