Catechol-O-Methyltransferase (COMT) Gene Polymorphisms as Risk Factor in Temporomandibular Disorders Patients From Southern Italy

Ambrosina Michelotti, Rosario Liguori, Mario Toriello, Vincenzo D'antò, Dino Vitale, Giuseppe Castaldo, Lucia Sacchetti

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

OBJECTIVES:: To evaluate the role of COMT gene variants as potential risk factors in a group of patients affected with chronic temporomandibular disorder (TMD) pain. METHODS:: We sequenced COMT gene in 182 Italian subjects (50 affected by TMD and 132 controls). The study population consisted of patients affected by myogenous and/or arthrogenous pain (RDC/TMD: Ia, Ib, IIIa, IIIb diagnostic categories). RESULTS:: We detected 40 single nucleotide polymorphisms (SNPs) variants (18 novel). Three SNPs, all located in the promoter regions, were more frequently present in cases than in controls (rs 4646310 P=0.018, rs165656 P=0.001, rs 165722 P=0.007). After the False Discovery Rate (FDR) correction rs165656 remained significantly associated with TMD (P=0.049). In addition, the rs 4646310 (AG vs GG, P=0.015) and rs 165656 (GG vs CC, P=0.001) were at binary logistic regression analysis independently associated with TMD, conferring a risk disease of 2.6 (CI= 1.2-5.6) and of 5.3 (CI= 2.0-13.7) respectively. DISCUSSION:: Our data extend the number of SNPs present in the promoter region that could play a regulatory role in COMT gene and suggest that the genetic polymorphisms rs 165656 and rs 4646310 exert a role in TMD susceptibility.

Original languageEnglish
Pages (from-to)129-133
Number of pages5
JournalClinical Journal of Pain
Volume30
Issue number2
DOIs
Publication statusPublished - Feb 2014

Fingerprint

Catechol O-Methyltransferase
Temporomandibular Joint Disorders
Italy
Genes
Single Nucleotide Polymorphism
Genetic Promoter Regions
Pain
Genetic Polymorphisms
Logistic Models
Regression Analysis
Population

Keywords

  • chronic pain
  • COMT
  • polymorphism
  • risk factor
  • temporomandibular disorders

ASJC Scopus subject areas

  • Anesthesiology and Pain Medicine
  • Clinical Neurology
  • Medicine(all)

Cite this

Catechol-O-Methyltransferase (COMT) Gene Polymorphisms as Risk Factor in Temporomandibular Disorders Patients From Southern Italy. / Michelotti, Ambrosina; Liguori, Rosario; Toriello, Mario; D'antò, Vincenzo; Vitale, Dino; Castaldo, Giuseppe; Sacchetti, Lucia.

In: Clinical Journal of Pain, Vol. 30, No. 2, 02.2014, p. 129-133.

Research output: Contribution to journalArticle

Michelotti, Ambrosina ; Liguori, Rosario ; Toriello, Mario ; D'antò, Vincenzo ; Vitale, Dino ; Castaldo, Giuseppe ; Sacchetti, Lucia. / Catechol-O-Methyltransferase (COMT) Gene Polymorphisms as Risk Factor in Temporomandibular Disorders Patients From Southern Italy. In: Clinical Journal of Pain. 2014 ; Vol. 30, No. 2. pp. 129-133.
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