Rs752688

GTP cyclohydrolase and tetrahydrobiopterin regulate pain sensitivity and persistence. T allele associated with higher tolerance to pain.

Polymorphisms in the GTP cyclohydrolase gene (GCH1) are associated with ratings of capsaicin pain. T allele associated with higher tolerance to pain.


 * is_associated_with_disease::Fibromyalgia
 * is_associated_with_disease::Syndrome