1-甲基组胺二盐酸盐是组氨酸代谢途径中组胺N-甲基转移酶的主要代谢产物。它已被用作阿尔茨海默病患者以及患有嗜睡症和其他神经系统疾病的患者大脑中组胺能系统活动的生物标志物。

Glucagon-like peptide 2 (GLP-2) is a recently identified intestinal epithelium-specific growth factor that has been shown to reduce the severity of inflammatory disorders of the intestine in rodent models. Currently Glucagon-Like Peptide 2 is used as a potential therapeutic agent for the human subjects with a broad variety of intestinal diseases characterized by intestinal damage and insufficiency.

1-羟基芘是一种暴露于多环芳烃的生物标志物，可在尿液样本中进行分析。