292 
Monitoring Stem Cell Research 
20. Ma Y, Ramezani A, Lewis R, Hawley R, Thomson JA. High-level sustained 
transgene expression in humcin embryonic stem cells using lentiviral vectors. Stem 
CeUs 2003: 21; 111-117. 
21. Gropp M, Itsykson P, Singer O, Ben-Hur T, Reinhartz E, Galun E, Reubinoff 
BE. Stable genetic modification of human embryonic stem cells by lentiviral vectors. 
Mol Ther 2003; 7; 281-287. 
22. Zwaka TP, Thomson JA. Homologous recombination in human embryonic 
stem cells. Nat Biotechnol 2003; 21; 319-321. 
23. Itskovitz-Eldor J, Schuldiner M, Karsenti D, Eden A, Yanuka O, Amit M, 
Soreq H, Benvenisty N. Differentiation of human embryonic stem cells into embryoid 
bodies compromising the three embryonic germ layers. Mol Med 2000; 6; 88-95. 
24. Schuldiner M, Yanuka O, Itskovitz-Eldor J, Melton DA, Benvenisty N. Effects 
of eight grovrth factors on the differentiation of cells derived from human embryonic 
stem cells. Proc Natl Acad Sci USA 2000; 97: 11307-11312. 
25. Goldstein RS, Drukker M, Reubinoff BE, Benvenisty N. Integration and 
differentiation of human embryonic stem cells transplanted to the chick embryo. Dev 
Dyn 2002; 225: 80-86. 
26. Zhang SC, Wemig M, Duncan ID, Brustle O, Thomson JA. In vitro 
differentiation of transplantable neural precursors firom human embryonic stem cells. 
Nat Biotechnol 2001: 19: 1129-1133. 
27. Reubinoff BE, Itsykson P, Turetsky T, Pera MF, Reinhartz E, Itzik A, Ben-Hur 
T. Neural progenitors from human embryonic stem cells. Nat Biotechnol 2001; 19: 1134- 
1140. 
28. Carpenter MK, Inokuma MS, Denham J, Mujtaba T, Chiu CP, Rao MS. 
Enrichment of neurons and neural precursors firom human embryonic stem cells. Exp 
Neurol 2001; 172: 383-397. 
29. Schuldiner M, Eiges R, Eden A, Yanuka O, Itskovitz-Eldor J, Goldstein RS, 
Benvenisty N. Induced neuronal differentiation of human embryonic stem cells. Brain 
Research 2001; 913: 201-205. 
30. He JQ, Ma Y, Lee Y, Thomson JA, Kamp TJ. Human Embryonic Stem Cells 
Develop Into Multiple Types of Cardiac Myocytes. Action Potential Characterization. 
Circ Res 2003; 5: 5. 
31. Kehat I, Kenyagin-Karsenti D, Snir M, Segev H, Amit M, Gepstein A, Livne E, 
Binah O, Itskovitz-Eldor J, Gepstein L. Hmnein embryonic stem cells can differentiate 
into myocytes with structural and functional properties of cardiomyocytes. J Clin 
Invest 2001; 108: 407-414. 
32. Xu C, Police S, Rao N, Carpenter MK. Characterization and enrichment of 
cardiomyocytes derived from human embryonic stem cells. Circ Res 2002; 91: 501-508. 
33. Kehat I, Gepstein A, Spira A, Itskovitz-Eldor J, Gepstein L. High-resolution 
electrophysiological assessment of human embryonic stem cell-derived 
cardiomyocytes: a novel in vitro model for the study of conduction. Circ Res 2002; 91: 
659-661. 
PRE-PUBLICATION VERSION 
