sensitinogen

例句：

1. 1.The immune system recognizes the sensitinogen as foreign and mounts an immune response to neutralize it.
   免疫系统识别抗原为外来物质，并启动免疫反应以中和之。
2. 2. In a vaccine, the sensitinogen is weakened or inactivated so that the body can recognize it as harmless.
   在疫苗中，抗原被削弱或灭活，以便身体能够将其视为无害的。
3. 3. The study of sensitinogens has led to the development of new treatments for autoimmune diseases.
   对抗原的研究已经导致了自身免疫性疾病新治疗方法的开发。