一些呼吸系统难治性疾病,如急性呼吸窘迫综合征、支气管肺发育不良、肺纤维化、肺癌、肺气肿等,这些疾病的病死率很高,而且存活者常因肺功能减退而严重影响生活质量,目前尚无根本性治疗方法。近年研究显示植入动物体内的骨髓间 Some refractory diseases of the respiratory system, such as acute respiratory distress syndrome, bronchopulmonary dysplasia, pulmonary fibrosis, lung cancer, emphysema and the like, have a high case fatality rate and the survivors are often severely affected by pulmonary hypofunction Quality of life, there is no fundamental treatment. Recent studies have shown that implanted bone marrow in animals