Skip to main content
Top
Published in: Rheumatology International 10/2010

01-08-2010 | Case Report

CYP1A2 genotype and rheumatoid arthritis in Koreans

Authors: Marilyn C. Cornelis, Sang-Cheol Bae, Il Kim, Ahmed El-Sohemy

Published in: Rheumatology International | Issue 10/2010

Login to get access

Abstract

Cytochrome P540 (CYP) 1A2 plays a role in the production of reactive oxygen species (ROS), which have been implicated in the development of rheumatoid arthritis (RA). The objective of this study was to investigate the association between a common polymorphism in the CYP1A2 gene with risk and severity of RA in a Korean population. Cases (n = 1321) with RA and controls (n = 1037) were genotyped for the CYP1A2 −163 A>C polymorphism by real-time PCR. HLA-DRB1 typing and further subtyping of all alleles was performed by PCR, sequence-specific oligonucleotide probe hybridization and direct DNA sequencing analysis. The odds ratio (OR) [(95% confidence interval (CI)] of RA associated with the low inducible C allele was 1.11 (0.80–1.55) among non-shared epitope (SE) carriers, 0.82 (0.56–1.20) among heterozygotes and 0.32 (0.10–1.04) among individuals homozygous for the SE (P = 0.03 for CYP1A2–SE interaction). A protective effect of the low inducibility CYP1A2 C allele among carriers of the SE suggests that a product of CYP1A2-mediated metabolism, such as ROS, may be involved in the development of RA.
Literature
1.
go back to reference Firestein GS, Echeverri F, Yeo M, Zvaifler NJ, Green DR (1997) Somatic mutations in the p53 tumor suppressor gene in rheumatoid arthritis synovium. Proc Natl Acad Sci 94:10895–10900CrossRefPubMed Firestein GS, Echeverri F, Yeo M, Zvaifler NJ, Green DR (1997) Somatic mutations in the p53 tumor suppressor gene in rheumatoid arthritis synovium. Proc Natl Acad Sci 94:10895–10900CrossRefPubMed
2.
go back to reference Arand WP (2001) The innate immune system in rheumatoid arthritis. Arthritis Rheum 44:2224–2234CrossRef Arand WP (2001) The innate immune system in rheumatoid arthritis. Arthritis Rheum 44:2224–2234CrossRef
3.
go back to reference MacGregor AJ, Snieder H, Rigby AS, Koskenvuo M, Kaprio J, Aho K, Silman AJ (2000) Characterizing the quantitative genetic contribution to rheumatoid arthritis using data from twins. Arthritis Rheum 43:30–37CrossRefPubMed MacGregor AJ, Snieder H, Rigby AS, Koskenvuo M, Kaprio J, Aho K, Silman AJ (2000) Characterizing the quantitative genetic contribution to rheumatoid arthritis using data from twins. Arthritis Rheum 43:30–37CrossRefPubMed
4.
go back to reference Wordsworth BP, Bell J (1991) Polygenic susceptibility in rheumatoid arthritis. Ann Rheum Dis 50:343–346CrossRefPubMed Wordsworth BP, Bell J (1991) Polygenic susceptibility in rheumatoid arthritis. Ann Rheum Dis 50:343–346CrossRefPubMed
5.
go back to reference Moreno I, Valenzuela A, Garcia A, Yelamos J, Sanchez B, Hernanz W (1996) Association of the shared epitope with radiological severity of rheumatoid arthritis. J Rheumatol 23:6–9PubMed Moreno I, Valenzuela A, Garcia A, Yelamos J, Sanchez B, Hernanz W (1996) Association of the shared epitope with radiological severity of rheumatoid arthritis. J Rheumatol 23:6–9PubMed
6.
go back to reference Gorman JD, Lum RF, Chen JJ, Suarez-Almazor ME, Thomson G, Criswell LA (2004) Impact of shared epitope genotype and ethnicity on erosive disease: a meta-analysis of 3, 240 rheumatoid arthritis patients. Arthritis Rheum 50:400–412CrossRefPubMed Gorman JD, Lum RF, Chen JJ, Suarez-Almazor ME, Thomson G, Criswell LA (2004) Impact of shared epitope genotype and ethnicity on erosive disease: a meta-analysis of 3, 240 rheumatoid arthritis patients. Arthritis Rheum 50:400–412CrossRefPubMed
7.
go back to reference Deighton C, Walker DJ, Griffiths ID, Roberts DF (1989) The contribution of HLA to rheumatoid arthritis. Clin Genet 36:178–182CrossRefPubMed Deighton C, Walker DJ, Griffiths ID, Roberts DF (1989) The contribution of HLA to rheumatoid arthritis. Clin Genet 36:178–182CrossRefPubMed
8.
go back to reference Halliwell B (1995) Oxygen radicals, nitric oxide and human inflammatory joint disease. Ann Rheum Dis 54:505–510CrossRefPubMed Halliwell B (1995) Oxygen radicals, nitric oxide and human inflammatory joint disease. Ann Rheum Dis 54:505–510CrossRefPubMed
9.
go back to reference Maurice MM, Nakamura H, van der Voort E, van Vliet AI, Staal FJ, Tak PP, Breedveld FC, Verweij CL (1997) Evidence for the role of an altered redox state in hyporesponsiveness of synovial T cells in rheumatoid arthritis. J Immunol 158:1458–1463PubMed Maurice MM, Nakamura H, van der Voort E, van Vliet AI, Staal FJ, Tak PP, Breedveld FC, Verweij CL (1997) Evidence for the role of an altered redox state in hyporesponsiveness of synovial T cells in rheumatoid arthritis. J Immunol 158:1458–1463PubMed
10.
go back to reference Winrow VR, Winyard PG, Morris CJ, Blake DR (1993) Free radicals in inflammation: second messengers and mediators of tissue destruction. Br Med Bull 49:506–522PubMed Winrow VR, Winyard PG, Morris CJ, Blake DR (1993) Free radicals in inflammation: second messengers and mediators of tissue destruction. Br Med Bull 49:506–522PubMed
11.
go back to reference Ara J, Ali R (1992) Reactive oxygen species modified DNA fragments of varying size are the preferred antigen for human anti-DNA autoantibodies. Immunol Lett 34:195–200CrossRefPubMed Ara J, Ali R (1992) Reactive oxygen species modified DNA fragments of varying size are the preferred antigen for human anti-DNA autoantibodies. Immunol Lett 34:195–200CrossRefPubMed
12.
go back to reference Yun BR, El-Sohemy A, Cornelis MC, Bae SC (2005) Glutathione S-transferase M1, T1, and P1 genotypes and rheumatoid arthritis. J Rheumatol 32:992–997PubMed Yun BR, El-Sohemy A, Cornelis MC, Bae SC (2005) Glutathione S-transferase M1, T1, and P1 genotypes and rheumatoid arthritis. J Rheumatol 32:992–997PubMed
13.
go back to reference Mattey DL, Hassell AB, Dawes PT, Jones PW, Yengi L, Alldersea J, Strange RC, Fryer AA (2000) Influence of polymorphism in the manganese superoxide dismutase locus on disease outcome in rheumatoid arthritis: evidence for interaction with glutathione S-transferase genes. Arthritis Rheum 43:859–864CrossRefPubMed Mattey DL, Hassell AB, Dawes PT, Jones PW, Yengi L, Alldersea J, Strange RC, Fryer AA (2000) Influence of polymorphism in the manganese superoxide dismutase locus on disease outcome in rheumatoid arthritis: evidence for interaction with glutathione S-transferase genes. Arthritis Rheum 43:859–864CrossRefPubMed
14.
go back to reference Testa B, Kramer SD (2007) The biochemistry of drug metabolism—an introduction: Part 2. Redox reactions and their enzymes. Chem Biodivers 4:257–405CrossRefPubMed Testa B, Kramer SD (2007) The biochemistry of drug metabolism—an introduction: Part 2. Redox reactions and their enzymes. Chem Biodivers 4:257–405CrossRefPubMed
15.
go back to reference Puntarulo S, Cederbaum AI (1998) Production of reactive oxygen species by microsomes enriched in specific human cytochrome P450 enzymes. Free Radic Biol Med 24:1324–1330CrossRefPubMed Puntarulo S, Cederbaum AI (1998) Production of reactive oxygen species by microsomes enriched in specific human cytochrome P450 enzymes. Free Radic Biol Med 24:1324–1330CrossRefPubMed
16.
go back to reference Beyeler C, Daly AK, Armstrong M, Astbury C, Bird HA, Idle JR (1994) Phenotype/genotype relationships for the cytochrome P450 CYP2D6 in rheumatoid arthritis: influence of drug therapy and disease activity. J Rheumatol 21:1034–1039PubMed Beyeler C, Daly AK, Armstrong M, Astbury C, Bird HA, Idle JR (1994) Phenotype/genotype relationships for the cytochrome P450 CYP2D6 in rheumatoid arthritis: influence of drug therapy and disease activity. J Rheumatol 21:1034–1039PubMed
17.
go back to reference Yen JH, Chen CJ, Tsai WC, Lin CH, Ou TT, Hu CJ, Liu HW (2003) Manganese superoxide dismutase and cytochrome P450 1A1 genes polymorphisms in rheumatoid arthritis in Taiwan. Hum Immunol 64:366–373CrossRefPubMed Yen JH, Chen CJ, Tsai WC, Lin CH, Ou TT, Hu CJ, Liu HW (2003) Manganese superoxide dismutase and cytochrome P450 1A1 genes polymorphisms in rheumatoid arthritis in Taiwan. Hum Immunol 64:366–373CrossRefPubMed
18.
go back to reference Shimada T, Yamazaki H, Mimura M, Inui Y, Guengerich FP (1994) Interindividual variations in human liver cytochrome P450 enzymes involved in the oxidation of drugs, carcinogens and toxic chemicals: studies with liver microsomes of 30 Japanese and 30 Caucasians. J Pharmacol Exp Ther 270:414–423PubMed Shimada T, Yamazaki H, Mimura M, Inui Y, Guengerich FP (1994) Interindividual variations in human liver cytochrome P450 enzymes involved in the oxidation of drugs, carcinogens and toxic chemicals: studies with liver microsomes of 30 Japanese and 30 Caucasians. J Pharmacol Exp Ther 270:414–423PubMed
19.
go back to reference Sesardic D, Boobis AR, Edwards RJ, Davies DS (1988) A form of cytochrome P450 in man, orthologous to form d in the rat, catalyses the O-deethylation of phenacetin and is inducible by cigarette smoking. Br J Clin Pharmacol 26:363–372PubMed Sesardic D, Boobis AR, Edwards RJ, Davies DS (1988) A form of cytochrome P450 in man, orthologous to form d in the rat, catalyses the O-deethylation of phenacetin and is inducible by cigarette smoking. Br J Clin Pharmacol 26:363–372PubMed
20.
go back to reference Abernethy DR, Todd EL (1985) Impairment of caffeine clearance by chronic use of low-dose oestrogen-containing oral contraceptives. Eur J Clin Pharmacol 28:425–428CrossRefPubMed Abernethy DR, Todd EL (1985) Impairment of caffeine clearance by chronic use of low-dose oestrogen-containing oral contraceptives. Eur J Clin Pharmacol 28:425–428CrossRefPubMed
21.
go back to reference Kalow W, Tang KB (1991) Caffeine as a metabolic probe: exploration of the enzyme-inducing effect of cigarette smoking. Clin Pharmacol Ther 49:44–48PubMed Kalow W, Tang KB (1991) Caffeine as a metabolic probe: exploration of the enzyme-inducing effect of cigarette smoking. Clin Pharmacol Ther 49:44–48PubMed
22.
go back to reference Le Marchand L, Franke AA, Custer L, Wilkens LR, Cooney RV (1997) Lifestyle and nutritional correlates of cytochrome CYP1A2 activity: inverse associations with plasma lutein and alpha-tocopherol. Pharmacogenetics 7:11–19CrossRefPubMed Le Marchand L, Franke AA, Custer L, Wilkens LR, Cooney RV (1997) Lifestyle and nutritional correlates of cytochrome CYP1A2 activity: inverse associations with plasma lutein and alpha-tocopherol. Pharmacogenetics 7:11–19CrossRefPubMed
23.
go back to reference Rizzo N, Hispard E, Dolbeault S, Dally S, Leverge R, Girre C (1997) Impact of long-term ethanol consumption on CYP1A2 activity. Clin Pharmacol Ther 62:505–509CrossRefPubMed Rizzo N, Hispard E, Dolbeault S, Dally S, Leverge R, Girre C (1997) Impact of long-term ethanol consumption on CYP1A2 activity. Clin Pharmacol Ther 62:505–509CrossRefPubMed
24.
go back to reference Lampe JW, King IB, Li S, Grate MT, Barale KV, Chen C, Feng Z, Potter JD (2000) Brassica vegetables increase and apiaceous vegetables decrease cytochrome P450 1A2 activity in humans: changes in caffeine metabolite ratios in response to controlled vegetable diets. Carcinogenesis 21:1157–1162CrossRefPubMed Lampe JW, King IB, Li S, Grate MT, Barale KV, Chen C, Feng Z, Potter JD (2000) Brassica vegetables increase and apiaceous vegetables decrease cytochrome P450 1A2 activity in humans: changes in caffeine metabolite ratios in response to controlled vegetable diets. Carcinogenesis 21:1157–1162CrossRefPubMed
25.
go back to reference Miller CA, Slusher LB, Vesell ES (1985) Polymorphism of theophylline metabolism in man. J Clin Invest 75:1415–1425CrossRefPubMed Miller CA, Slusher LB, Vesell ES (1985) Polymorphism of theophylline metabolism in man. J Clin Invest 75:1415–1425CrossRefPubMed
26.
go back to reference Rasmussen BB, Brix TH, Kyvik K, Brosen K (2002) The interindividual differences in the 3-demethylation of caffeine alias CYP1A2 is determined by both genetic and environmental factors. Pharmacogenetics 12:473–478CrossRefPubMed Rasmussen BB, Brix TH, Kyvik K, Brosen K (2002) The interindividual differences in the 3-demethylation of caffeine alias CYP1A2 is determined by both genetic and environmental factors. Pharmacogenetics 12:473–478CrossRefPubMed
27.
go back to reference Castorena-Torres F, Mendoza-Cantu A, de Leon MB, Cisneros B, Zapata-Perez O, Lopez-Carrillo L, Salinas JE, Albores A (2005) CYP1A2 phenotype and genotype in a population from Carboniferous Region of Coahuila, Mexico. Toxicol Lett 156:331–339CrossRefPubMed Castorena-Torres F, Mendoza-Cantu A, de Leon MB, Cisneros B, Zapata-Perez O, Lopez-Carrillo L, Salinas JE, Albores A (2005) CYP1A2 phenotype and genotype in a population from Carboniferous Region of Coahuila, Mexico. Toxicol Lett 156:331–339CrossRefPubMed
28.
go back to reference Han X, Ou-Yang D, Lu P, Jiang C, Shu Y, Chen X, Tan Z, Zhou H (2001) Plasma caffeine metabolite ratio (17X/137X) in vivo associated with G-2964A and C734 polymorphisms of human CYP1A2. Pharmacogenetics 11:429–435CrossRefPubMed Han X, Ou-Yang D, Lu P, Jiang C, Shu Y, Chen X, Tan Z, Zhou H (2001) Plasma caffeine metabolite ratio (17X/137X) in vivo associated with G-2964A and C734 polymorphisms of human CYP1A2. Pharmacogenetics 11:429–435CrossRefPubMed
29.
go back to reference Sachse C, Brockmoller J, Bauer S, Roots I (1999) Functional significance of a C to A polymorphism in intron 1 of the cytochrome P450 1A2 (CYP1A2) gene tested with caffeine. Br J Clin Pharmacol 47:445–449CrossRefPubMed Sachse C, Brockmoller J, Bauer S, Roots I (1999) Functional significance of a C to A polymorphism in intron 1 of the cytochrome P450 1A2 (CYP1A2) gene tested with caffeine. Br J Clin Pharmacol 47:445–449CrossRefPubMed
30.
go back to reference Arnett FC, Edworthy SM, Bloch DA, McShane DJ, Fries JF, Cooper NS, Healey LA, Kaplan SR, Liang MH, Luthra HS et al (1988) The American Rheumatism Association 1987 revised criteria for the classification of rheumatoid arthritis. Arthritis Rheum 31:315–324CrossRefPubMed Arnett FC, Edworthy SM, Bloch DA, McShane DJ, Fries JF, Cooper NS, Healey LA, Kaplan SR, Liang MH, Luthra HS et al (1988) The American Rheumatism Association 1987 revised criteria for the classification of rheumatoid arthritis. Arthritis Rheum 31:315–324CrossRefPubMed
31.
go back to reference Bae S-C, Cook EF, Kim SY (1998) Psychometric evaluation of a Korean Health Assessment Questionnaire for clinical research. J Rheumatol 25:1975–1979PubMed Bae S-C, Cook EF, Kim SY (1998) Psychometric evaluation of a Korean Health Assessment Questionnaire for clinical research. J Rheumatol 25:1975–1979PubMed
32.
go back to reference Steinbrocker O, Traeger CH, Batterman RC (1949) Therapeutic criteria in rheumatoid arthritis. JAMA 140:659–662 Steinbrocker O, Traeger CH, Batterman RC (1949) Therapeutic criteria in rheumatoid arthritis. JAMA 140:659–662
33.
go back to reference Jones CE, Rousseau RJ, Maxwell KW (1979) Quantitation of rheumatoid factor activity by nephelometry. Am J Clin Pathol 72:432–436PubMed Jones CE, Rousseau RJ, Maxwell KW (1979) Quantitation of rheumatoid factor activity by nephelometry. Am J Clin Pathol 72:432–436PubMed
34.
go back to reference Cornelis MC, El-Sohemy A, Campos H (2004) Genetic polymorphism of CYP1A2 increases the risk of myocardial infarction. J Med Genet 41:758–762CrossRefPubMed Cornelis MC, El-Sohemy A, Campos H (2004) Genetic polymorphism of CYP1A2 increases the risk of myocardial infarction. J Med Genet 41:758–762CrossRefPubMed
35.
go back to reference Bignon JD, Fernandez-Vina MA (1997) Protocols of the 12th International Histocompatibility Workshop for typing of HLA class II alleles by DNA amplification by the polymerase chain reaction (PCR) and hybridization with sequence specific oligonucleotide probes (SSOP). In: Charron D (ed) Genetic diversity of HLA: Functional and medical implication. EDK, Paris, pp 584–595 Bignon JD, Fernandez-Vina MA (1997) Protocols of the 12th International Histocompatibility Workshop for typing of HLA class II alleles by DNA amplification by the polymerase chain reaction (PCR) and hybridization with sequence specific oligonucleotide probes (SSOP). In: Charron D (ed) Genetic diversity of HLA: Functional and medical implication. EDK, Paris, pp 584–595
36.
go back to reference Kotsch K, Wehling J, Blasczyk R (1999) Sequencing of HLA class II genes based on the conserved diversity of the non-coding regions: sequencing based typing of HLA-DRB genes. Tissue Antigens 53:486–497CrossRefPubMed Kotsch K, Wehling J, Blasczyk R (1999) Sequencing of HLA class II genes based on the conserved diversity of the non-coding regions: sequencing based typing of HLA-DRB genes. Tissue Antigens 53:486–497CrossRefPubMed
37.
go back to reference Heliovaara M, Aho K, Aromaa A, Knekt P, Reunanen A (1993) Smoking and risk of rheumatoid arthritis. J Rheumatol 20:1830–1835PubMed Heliovaara M, Aho K, Aromaa A, Knekt P, Reunanen A (1993) Smoking and risk of rheumatoid arthritis. J Rheumatol 20:1830–1835PubMed
38.
go back to reference Padyukov L, Silva C, Stolt P, Alfredsson L, Klareskog L (2004) A gene–environment interaction between smoking and shared epitope genes in HLA-DR provides a high risk of seropositive rheumatoid arthritis. Arthritis Rheum 50:3085–3092CrossRefPubMed Padyukov L, Silva C, Stolt P, Alfredsson L, Klareskog L (2004) A gene–environment interaction between smoking and shared epitope genes in HLA-DR provides a high risk of seropositive rheumatoid arthritis. Arthritis Rheum 50:3085–3092CrossRefPubMed
39.
go back to reference Klareskog L, Stolt P, Lundberg K, Kallberg H, Bengtsson C, Grunewald J, Ronnelid J, Harris HE, Ulfgren AK, Rantapaa-Dahlqvist S, Eklund A, Padyukov L, Alfredsson L (2006) A new model for an etiology of rheumatoid arthritis: smoking may trigger HLA-DR (shared epitope)-restricted immune reactions to autoantigens modified by citrullination. Arthritis Rheum 54:38–46CrossRefPubMed Klareskog L, Stolt P, Lundberg K, Kallberg H, Bengtsson C, Grunewald J, Ronnelid J, Harris HE, Ulfgren AK, Rantapaa-Dahlqvist S, Eklund A, Padyukov L, Alfredsson L (2006) A new model for an etiology of rheumatoid arthritis: smoking may trigger HLA-DR (shared epitope)-restricted immune reactions to autoantigens modified by citrullination. Arthritis Rheum 54:38–46CrossRefPubMed
40.
go back to reference Kyogoku C, Tsuchiya N, Matsuta K, Tokunaga K (2002) Studies on the association of Fcgamma receptor IIA, IIB, IIIA and IIIB polymorphisms with rheumatoid arthritis in the Japanese: evidence for a genetic interaction between HLA-DRB1 and FCGR3A. Genes Immun 3:488–493CrossRefPubMed Kyogoku C, Tsuchiya N, Matsuta K, Tokunaga K (2002) Studies on the association of Fcgamma receptor IIA, IIB, IIIA and IIIB polymorphisms with rheumatoid arthritis in the Japanese: evidence for a genetic interaction between HLA-DRB1 and FCGR3A. Genes Immun 3:488–493CrossRefPubMed
41.
go back to reference Wu H, Khanna D, Park G, Gersuk V, Nepom GT, Wong WK, Paulus HE, Tsao BP (2004) Interaction between RANKL and HLA-DRB1 genotypes may contribute to younger age at onset of seropositive rheumatoid arthritis in an inception cohort. Arthritis Rheum 50:3093–3103CrossRefPubMed Wu H, Khanna D, Park G, Gersuk V, Nepom GT, Wong WK, Paulus HE, Tsao BP (2004) Interaction between RANKL and HLA-DRB1 genotypes may contribute to younger age at onset of seropositive rheumatoid arthritis in an inception cohort. Arthritis Rheum 50:3093–3103CrossRefPubMed
42.
go back to reference Ling S, Li Z, Borschukova O, Xiao L, Pumpens P, Holoshitz J (2007) The rheumatoid arthritis shared epitope increases cellular susceptibility to oxidative stress by antagonizing an adenosine-mediated anti-oxidative pathway. Arthritis Res Ther 9:R5CrossRefPubMed Ling S, Li Z, Borschukova O, Xiao L, Pumpens P, Holoshitz J (2007) The rheumatoid arthritis shared epitope increases cellular susceptibility to oxidative stress by antagonizing an adenosine-mediated anti-oxidative pathway. Arthritis Res Ther 9:R5CrossRefPubMed
43.
go back to reference Gu L, Gonzalez FJ, Kalow W, Tang BK (1992) Biotransformation of caffeine, paraxanthine, theobromine and theophylline by cDNA-expressed human CYP1A2 and CYP2E1. Pharmacogenetics 2:73–77CrossRefPubMed Gu L, Gonzalez FJ, Kalow W, Tang BK (1992) Biotransformation of caffeine, paraxanthine, theobromine and theophylline by cDNA-expressed human CYP1A2 and CYP2E1. Pharmacogenetics 2:73–77CrossRefPubMed
44.
go back to reference Yamazaki H, Shaw PM, Guengerich FP, Shimada T (1998) Roles of cytochrome P450 1A2 and 3A4 in the oxidation of estradiol and estrone in human liver microsomes. Chem Res Toxicol 11:659–665CrossRefPubMed Yamazaki H, Shaw PM, Guengerich FP, Shimada T (1998) Roles of cytochrome P450 1A2 and 3A4 in the oxidation of estradiol and estrone in human liver microsomes. Chem Res Toxicol 11:659–665CrossRefPubMed
45.
go back to reference Heliovaara M, Aho K, Knekt P, Impivaara O, Reunanen A, Aromaa A (2000) Coffee consumption, rheumatoid factor, and the risk of rheumatoid arthritis. Ann Rheum Dis 59:631–635CrossRefPubMed Heliovaara M, Aho K, Knekt P, Impivaara O, Reunanen A, Aromaa A (2000) Coffee consumption, rheumatoid factor, and the risk of rheumatoid arthritis. Ann Rheum Dis 59:631–635CrossRefPubMed
46.
go back to reference Vessey MP, Villard-Mackintosh L, Yeates D (1987) Oral contraceptives, cigarette smoking and other factors in relation to arthritis. Contraception 35:457–464CrossRefPubMed Vessey MP, Villard-Mackintosh L, Yeates D (1987) Oral contraceptives, cigarette smoking and other factors in relation to arthritis. Contraception 35:457–464CrossRefPubMed
47.
go back to reference Ghotbi R, Christensen M, Roh HK, Ingelman-Sundberg M, Aklillu E, Bertilsson L (2007) Comparisons of CYP1A2 genetic polymorphisms, enzyme activity and the genotype-phenotype relationship in Swedes and Koreans. Eur J Clin Pharmacol 63(6):537–546CrossRefPubMed Ghotbi R, Christensen M, Roh HK, Ingelman-Sundberg M, Aklillu E, Bertilsson L (2007) Comparisons of CYP1A2 genetic polymorphisms, enzyme activity and the genotype-phenotype relationship in Swedes and Koreans. Eur J Clin Pharmacol 63(6):537–546CrossRefPubMed
Metadata
Title
CYP1A2 genotype and rheumatoid arthritis in Koreans
Authors
Marilyn C. Cornelis
Sang-Cheol Bae
Il Kim
Ahmed El-Sohemy
Publication date
01-08-2010
Publisher
Springer-Verlag
Published in
Rheumatology International / Issue 10/2010
Print ISSN: 0172-8172
Electronic ISSN: 1437-160X
DOI
https://doi.org/10.1007/s00296-009-1050-0

Other articles of this Issue 10/2010

Rheumatology International 10/2010 Go to the issue