研究者发现,小鼠肺中所发生的基因开或关,与人肺癌的基因活性是相似的.该发现暗含着治疗肺癌的一种新方法.肺癌在全球的死亡率为众癌之首.一个多世纪以来,研究者已经观察到,组成许多癌性肿瘤的细胞,其外观与行为酷似动物胎儿或新生儿的未成熟细胞.例如,肺、脑或血液的肿瘤细胞? The researchers found that the genes that are turned on or off in mice’s lungs are similar to those of human lung cancer. This finding implies a new approach to the treatment of lung cancer. Lung cancer has the highest mortality rate in the world. For more than a century, researchers have observed that the cells that make up many cancerous tumors look and act like immature cells of animal fetuses or newborns. For example, tumor cells in the lung, brain, or blood?