The research could eventually lead to new sources of organs for transplant, but ethical and technical hurdles need to be overcome. The research could eventually lead to new sources of organs for transplant, but ethical and technical hurdles need to be overcome.

中文翻译：

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日本批准首次人类与动物胚胎实验


这项研究最终可能会带来新的移植器官来源，但需要克服伦理和技术障碍。这项研究最终可能会带来新的移植器官来源，但需要克服伦理和技术障碍。