'The hurdle is if there is an injury to try to get new muscle tissue that can form quicker' than scar tissue, says Herman Vandenburgh, a pioneer in the field and a professor emeritus of pathology and laboratory medicine at Brown University.

这个领域内的先驱、布朗大学(Brown University)病理学与检验医学荣誉教授赫尔曼·范登伯格(Herman Vandenburgh)说：“障碍在于有没有一个创伤去努力获得能够比瘢痕组织更快形成的新肌肉组织。”

For about two decades, scientists have been trying to grow muscle in the lab that exerts force and repairs itself, in hopes of one day helping to restore functioning in patients. Understanding the process of muscle regeneration may lead to better understanding of the muscle-wasting process that occurs with aging or disease.

大约20年以来，科学家一直试图在实验室里培育能够使力并自愈的肌肉，希望有朝一日帮助恢复病人的机能。明白了肌肉再生的过程，或许就能更好地理解伴随衰老或疾病而发生的肌肉萎缩。

Researchers approach muscle regeneration in different ways, with some growing tissue in the lab that is then used to repair injuries. Others focus on finding genes or a drug that could reverse muscle wasting across the body.

研究人员用不同的方法来实现肌肉再生。一些人是在实验室培育肌肉组织，然后用这些组织来修复伤口，另一些人则是侧重于寻找有望逆转全身肌肉萎缩过程的基因或药物。

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