SAMD00012418 8355 Xenopus laevis Proliferating blastema cells isolated from blastema at three days after amputation of stage 49-53 wild type Xenopus laevis tadpole. SAMD00012420 8355 Xenopus laevis Non-proliferating blastema cells isolated from blastema at three days after amputation of stage 49-53 wild type Xenopus laevis tadpole. SAMD00012419 8355 Xenopus laevis Proliferating tail bud cells isolated from tail bud of wild type Xenopus laevis stage 35-39 tadpole.