这项研究的负责人弗兰克·布拉德克将伤疤组织比作路口的停车标志，它阻止了神经纤维的再生。
Lead investigator Frank Bradke likens scar tissue formation to "stop signs" that impede the regrowth of nerve fibers.
硬化的疤痕组织也能够防止神经损伤再生，因为神经细胞喜欢柔软的环境。
The stiffness of scar tissue may also prevent regeneration in nerve injury, because nerve cells prefer the softest of surroundings.
克隆技术很有希望产生烧伤和其它事故受害者所需的再生肌肤、软骨和骨头组织，以及治疗脊髓损伤的神经组织。
It held great promise for producing replacement skin, cartilage, and bone tissue for burn and accident victims, and nerve tissue to treat spinal cord injuries.
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