Lab-grown tissue has the potential to transform medicine, though it is still a long way from routine clinical use. For example, fresh nerve cells could alleviate spinal cord injuries, or newly made heart cells could repair a site scarred by a heart attack.
实验室培养的组织有可能改变医学,但它距离临床常规使用还有很长的路要走。例如,新鲜的神经细胞可以减轻脊髓损伤,新培养的心脏细胞可以修复心脏病发作造成的创伤区域。
One way to harvest fresh tissue is from human embryos. That is controversial because the embryos get destroyed in the process. Another way is to reprogram mature cells into an embryonic-like state, which can then be turned into other tissues of the body. But this method is relatively new and has yet to yield consistent results.
获取新鲜组织的来源之一是人类胚胎。但这种做法存在争议,因为胚胎在这个过程中会被摧毁。另一种方法是将成熟细胞进行重新编码,继而改造成类似胚胎的状态。改造后的细胞随后可以变成身体其它组织。但是这种方法相对较新,目前尚未取得一致的结果。
A third approach is to use cloning, as described in the Cell paper. This technique can yield fresh tissue that is an exact genetic match for the patient for whom it is intended.
第三种方法是利用克隆技术,就像上述《细胞》杂志刊发的论文所描述的那样。这种技术可以产生在遗传上同病人完全匹配的新鲜组织。培养出的新鲜组织就是要用在同一病人身上。
【科学家朝克隆人又迈近一步】相关文章:
最新
2020-09-15
2020-09-15
2020-09-15
2020-09-15
2020-09-15
2020-09-15