heteroantigen

例句：

1. 1.Heteroantigens are a major cause of autoimmune diseases.
   异种抗原是自身免疫疾病的主要原因。
2. 2. The study focused on the role of heteroantigens in the development of cancer.
   该研究专注于异种抗原在癌症发展中的作用。
3. 3. The researchers discovered that certain proteins could trigger an immune response against foreign cells, which is known as heteroantigens.
   研究人员发现某些蛋白质可以触发对外来细胞的免疫反应，这被称为异种抗原。