neopterin

例句：

1. 1. The study found that the hormone could help regulate blood sugar levels.
   研究发现这种激素可以帮助调节血糖水平。
2. 2. Neuropeptides have been shown to play a role in pain perception and regulation.
   研究表明神经肽在疼痛感知和调节中发挥作用。
3. 3.Researchers are exploring the potential of neuropeptides as therapeutic agents for treating mental health conditions.
   研究人员正在探索神经肽作为治疗精神健康条件的潜在治疗手段。