Toxoplasma gondii is a protozoan with worldwide distribution and triggers a strong Th1 immune response in infected susceptible hosts. On the contrary, most helminth infections are characterized by Th2 immune response and the use of helminth‐derived antigens to regulate immune response in inflammatory disorders has been broadly investigated.

中文翻译：

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委内瑞拉圆线虫抗原提取物对急性实验性弓形虫病的有益作用

弓形虫是一种分布于世界各地的原生动物，可在受感染的易感宿主中触发强烈的 Th1 免疫反应。相反，大多数蠕虫感染的特征是 Th2 免疫反应，并且已经广泛研究了使用蠕虫衍生的抗原来调节炎症性疾病中的免疫反应。