PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18543121-5 2008 CONCLUSION: These results, combined with previous findings indicating alterations in the frequency for the HNMT Thr105Ile polymorphism in patients with PD, suggest that alterations of histamine homeostasis in the SNC are associated with the risk of movement disorders. Histamine 184-193 histamine N-methyltransferase Homo sapiens 107-111