Table 1

Development of embryos from transplanted medulloblastoma nuclei in vitro

Donor nucleiOocytes injectedh postactivation
24 h72 h
PronucleusDead cells2-cell4/8-cellMorula and blastocyst
Tumor SJMM21196918 (76.8%)670 (56.0%)307 (25.7%)115 (9.6%)104 (8.7%)
Tumor SJMM4473336 (71.0%)231 (48.8%)137 (29.0%)45 (9.5%)60 (12.7%)
Spleen cell212178 (84.0%)40 (18.9%)75 (35.4%)35 (16.5%)62 (29.2%)