1.Draper J.S., Smith К., Gokhale P. et al., Recurrent gain of chromosomes 17q and 12 in cultured human embryonic stem cells. Nat. Biotechnol. 2004; 22:53-4.2.Maitra A., Arking D.E., Shivapurkar N. et al. Genomic alterations in cultured human embryonic stem cells. Nature Genetics 2005; 37:1099-103.3.Durkop H., Latza U„ Hummel M. et al. Molecular cloning and expression of a new memberofthe nerve growth factor receptor family that is characteristics for Hodgkin"s disease. Cell 1992; 68: 421-7.4.Pera M.F., Bennet W., Cerretti D.P. et al. Expression of CD30 and CD30 ligand in cultured cell lines from human germ-cell tumours. Lab. Invest. 1997; 76: 497-504.5.Amit M„ Carpenter M.K., Inokuma M.S. et al. Clonally derived human embryonic stem cell lines maintain pluripotency and proliferative potential for prolonged periods of culture. Dev. Biol. 2000; 227: 271-8.