{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,24]],"date-time":"2026-07-24T04:20:08Z","timestamp":1784866808569,"version":"3.55.0"},"reference-count":40,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"6","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2013,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n          <jats:sec>\n            <jats:title>Background:<\/jats:title>\n            <jats:p>Catechol-<jats:sc>O<\/jats:sc>-methyltransferase (COMT) metabolizes catecholamines in different tissues. Polymorphisms in <jats:italic toggle=\"yes\">COMT<\/jats:italic> gene can attenuate COMT activity and increase sensitivity to pain. Human studies exploring the effect of <jats:italic toggle=\"yes\">COMT<\/jats:italic> polymorphisms on pain sensitivity have mostly included small, heterogeneous samples and have ignored several important single nucleotide polymorphisms (SNPs). This study examines the effect of <jats:italic toggle=\"yes\">COMT<\/jats:italic> polymorphisms on experimental and postoperative pain phenotypes in a large ethnically homogeneous female patient cohort.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods:<\/jats:title>\n            <jats:p>Intensity of cold (+2-4\u00b0C) and heat (+48\u00b0C) pain and tolerance to cold pain were assessed in 1,000 patients scheduled for breast cancer surgery. Acute postoperative pain and oxycodone requirements were recorded. Twenty-two <jats:italic toggle=\"yes\">COMT<\/jats:italic> SNPs were genotyped and their association with six pain phenotypes analyzed with linear regression.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results:<\/jats:title>\n            <jats:p>There was no association between any of the tested pain phenotypes and SNP rs4680. The strongest association signals were seen between rs165774 and heat pain intensity as well as rs887200 and cold pain intensity. In both cases, minor allele carriers reported less pain. Neither of these results remained significant after strict multiple testing corrections. When analyzed further, the effect of rs887200 was, however, shown to be significant and consistent throughout the cold pressure test. No evidence of association between the SNPs and postoperative oxycodone consumption was found.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions:<\/jats:title>\n            <jats:p>SNPs rs887200 and rs165774 located in the untranslated regions of the gene had the strongest effects on pain sensitivity. Their effect on pain is described here for the first time. These results should be confirmed in further studies and the potential functional mechanisms of the variants studied.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1097\/aln.0000000000000013","type":"journal-article","created":{"date-parts":[[2013,11,20]],"date-time":"2013-11-20T12:18:25Z","timestamp":1384949905000},"page":"1422-1433","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":51,"title":["Effect of Catechol-o-methyltransferase-gene (COMT) Variants on Experimental and Acute Postoperative Pain in 1,000 Women undergoing Surgery for Breast Cancer"],"prefix":"10.1097","volume":"119","author":[{"given":"Oleg","family":"Kambur","sequence":"first","affiliation":[{"name":"Student, Department of Anaesthesia, Intensive Care Medicine, Emergency Medicine and Pain Medicine, Helsinki University Central Hospital, Helsinki, Finland, and Department of Pharmacology and Toxicology, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mari A.","family":"Kaunisto","sequence":"additional","affiliation":[{"name":"Senior Researcher, Institute for Molecular Medicine Finland (FIMM), University of Helsinki, and Folkh\u00e4lsan Institute of Genetics, Folkh\u00e4lsan Research Center."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emmi","family":"Tikkanen","sequence":"additional","affiliation":[{"name":"Student"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Suzanne M.","family":"Leal","sequence":"additional","affiliation":[{"name":"Professor, Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samuli","family":"Ripatti","sequence":"additional","affiliation":[{"name":"Professor, Institute for Molecular Medicine Finland (FIMM), University of Helsinki, and Department of Chronic Disease Prevention, National Institute for Health and Welfare."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eija A.","family":"Kalso","sequence":"additional","affiliation":[{"name":"Professor, Department of Anaesthesia, Intensive Care Medicine, Emergency Medicine and Pain Medicine, Helsinki University Central Hospital."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","reference":[{"key":"R1-20241219","first-page":"593","article-title":"Catechol-O-methyltransferase (COMT): Biochemistry, molecular biology, pharmacology, and clinical efficacy of the new selective COMT inhibitors.","volume":"51","year":"1999","journal-title":"Pharmacol Rev"},{"key":"R2-20241219","doi-asserted-by":"crossref","first-page":"381","DOI":"10.1038\/clpt.1990.166","article-title":"Human liver catechol-O-methyltransferase pharmacogenetics.","volume":"48","year":"1990","journal-title":"Clin Pharmacol Ther"},{"key":"R3-20241219","first-page":"125","article-title":"Inheritance of low erythrocyte 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