1.Rideout W.M. 3rd, Eggan K., Jaenisch R. Nuclear cloning and epigenetic reprogramming of the genome. Science 2001; 293: 1093-8.2.Tada M., Takahama Y., Abe K. et al. Nuclear reprogramming of somatic cells by in vitro hybridization with ES cells. Curr. Biol. 2001; 11: 1553Œ8.3.Cowan C.A., Atienza J., Melton D.A., Eggan K. Nuclear reprogramming of somatic cells after fusion with human embryonic stem cells. Science 2005; 309: 1369-73.4.Chambers I., Colby D., Robertson M. et al. Functional expression cloning of Nanog, a pluripotency sustaining factor in embryonic stem cells. Cell 2003; 113: 643Œ55.5.Boyer L.A., Lee T.I., Cole M.F. et al. Core transcriptional regulatory circuitry in human embryonic stem cells. Cell 2005; 122(6): 947-56.6.Shinya Y. Identification of factors that generate ES-like pluripotent cells from fibroblast culture. Oral presentation at 4th ISSR Annual Meeting. June 29 -July 1, 2006, Toronto, Canada.7.Ratajczak J., Wysoczynski M., Hayek F. et al. Embryonic stem cell- derived microvesicles reprogram hematopoietic progenitors: evidence for horizontal transfer of mRNA and protein delivery. Leukemia 2006; 20: 847-56.