The treatment, which would vaccinate cancer patients against their own tumor cells, is made using a new approach that turns genetically engineered tobacco plants into personalized vaccine factories.

• 芝加哥（路透社）--烟草通常与导致肿瘤而不是有助于治疗肿瘤相关，但周一美国的研究者报道，使用烟草植物生成的个体化疫苗能帮助淋巴瘤患者对抗这种疾病。