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  • 2
    Campbell CM, Edwards RR, Carmona C, et al. Polymorphisms in the GTP cyclohydrolase gene (GCH1) are associated with ratings of capsaicin pain. Pain 2009; 141: 1148.
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    Doehring A, Freynhagen R, Griessinger N, et al. Cross-sectional assessment of the consequences of a GTP cyclohydrolase 1 haplotype for specialized tertiary outpatient pain care. Clin J Pain 2009; 25: 7815.
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    Lotsch J, Belfer I, Kirchhof A, et al. Reliable screening for a pain-protective haplotype in the GTP cyclohydrolase 1 gene (GCH1) through the use of 3 or fewer single nucleotide polymorphisms. Clin Chem 2007; 53: 10105.
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    Kim SJ, Lee WI, Lee YS, et al. Effective relief of neuropathic pain by adeno-associated virus-mediated expression of a small hairpin RNA against GTP cyclohydrolase 1. Mol Pain 2009; 5: 67.
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    Pickert G, Myrczek T, Ruckert S, et al. Inhibition of GTP cyclohydrolase reduces cancer pain in mice and enhances analgesic effects of morphine. J Mol Med (Berl) 2012, in press.