The predisposition to stroke might involve interactive effects among variants in several genes. We tested this hypothesis by examining the influence of polymorphisms in methylenetetrahydrofolate reductase (MTHFR) (C677T) and prothrombin (F2) (G20210A) as risk factors for stroke in Morocco. The polymerase chain reaction-restriction fragment length polymorphism methods were used to analyze DNA from 91 stroke patients and 182 controls. Association between the two polymorphisms and the risk of stroke was estimated by four-level models for the analysis of genetic interaction. Neither the MTHFR 677TT nor the F2 20210GA genotype showed any significant association compared to the MTHFR CC and F2 GG genotypes, respectively. An interactive effect between the MTHFR 677TT and F2 20210GA polymorphisms showed an increased risk of stroke. The odds ratios, in univariate and multivariate analysis, for the combined polymorphisms were 4.99 (95% CI, 1.75-14.2, P = 0.001) and 5.29 (95% CI, 1.63-17.1, P = 0.005), respectively.
机构:
Gulf Med Univ, Coll Hlth Sci, Dept Med Lab Sci, Ajman, U Arab EmiratesGulf Med Univ, Coll Hlth Sci, Dept Med Lab Sci, Ajman, U Arab Emirates
Babker, Asaad Ma
Dafallah, Sarah Elsiddig
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Wad Madni Teaching Hosp, Dept Obstet & Gynecol, Wad Madani, Gezira State, SudanGulf Med Univ, Coll Hlth Sci, Dept Med Lab Sci, Ajman, U Arab Emirates
Dafallah, Sarah Elsiddig
Mohamedahmed, Khalid Abdelsamea
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Univ Gezira, Fac Med Lab Sci, Dept Hematol & Immunohematol, Wad Madani, SudanGulf Med Univ, Coll Hlth Sci, Dept Med Lab Sci, Ajman, U Arab Emirates
Mohamedahmed, Khalid Abdelsamea
Elshaikh, Rabab Hassan
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ASharqiyah Univ, Dept Med Lab Sci, Ibra, OmanGulf Med Univ, Coll Hlth Sci, Dept Med Lab Sci, Ajman, U Arab Emirates
Elshaikh, Rabab Hassan
Suliman, Rania Saad
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Prince Sultan Mil Coll Hlth Sci, Dept Clin Lab Sci, Dhahran, Saudi ArabiaGulf Med Univ, Coll Hlth Sci, Dept Med Lab Sci, Ajman, U Arab Emirates
Suliman, Rania Saad
Elzubair, Qubaa Ahmed
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Alemadi Hosp, Doha, QatarGulf Med Univ, Coll Hlth Sci, Dept Med Lab Sci, Ajman, U Arab Emirates
Elzubair, Qubaa Ahmed
Hussein, Sanaa Efatih
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Jouf Univ, Coll Appl Med Sci, Dept Clin Lab Sci, Sakakah, Saudi Arabia
Univ Gezira, Fac Med Lab Sci, Wad Madani, SudanGulf Med Univ, Coll Hlth Sci, Dept Med Lab Sci, Ajman, U Arab Emirates
Hussein, Sanaa Efatih
Elzaki, Salaheldein G.
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Top Med Res Inst, Dept Epidemiol, Mol Biol Lab, Khartoum, SudanGulf Med Univ, Coll Hlth Sci, Dept Med Lab Sci, Ajman, U Arab Emirates
机构:
Fac Ciencias Med Santa Casa Sao Paulo, BR-01221020 Sao Paulo, BrazilFac Ciencias Med Santa Casa Sao Paulo, BR-01221020 Sao Paulo, Brazil
D'Elia, Priscila Queiroz
dos Santos, Aline Amaro
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Fac Med ABC, BR-09060650 Santo Andre, BrazilFac Ciencias Med Santa Casa Sao Paulo, BR-01221020 Sao Paulo, Brazil
dos Santos, Aline Amaro
Bianco, Bianca
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Fac Med ABC, BR-09060650 Santo Andre, Brazil
Inst Ideia Fertil Saude Reprod, BR-09060650 Santo Andre, BrazilFac Ciencias Med Santa Casa Sao Paulo, BR-01221020 Sao Paulo, Brazil
Bianco, Bianca
Barbosa, Caio Parente
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Fac Med ABC, BR-09060650 Santo Andre, Brazil
Inst Ideia Fertil Saude Reprod, BR-09060650 Santo Andre, BrazilFac Ciencias Med Santa Casa Sao Paulo, BR-01221020 Sao Paulo, Brazil
Barbosa, Caio Parente
Christofolini, Denise Maria
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Fac Med ABC, BR-09060650 Santo Andre, Brazil
Inst Ideia Fertil Saude Reprod, BR-09060650 Santo Andre, BrazilFac Ciencias Med Santa Casa Sao Paulo, BR-01221020 Sao Paulo, Brazil
Christofolini, Denise Maria
Aoki, Tsutomu
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Fac Ciencias Med Santa Casa Sao Paulo, BR-01221020 Sao Paulo, BrazilFac Ciencias Med Santa Casa Sao Paulo, BR-01221020 Sao Paulo, Brazil
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First Peoples Hosp Zhengzhou, Dept Neurol, Zhengzhou, Henan, Peoples R ChinaFirst Peoples Hosp Zhengzhou, Dept Neurol, Zhengzhou, Henan, Peoples R China
Li, Aifan
Shi, Yunshu
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First Affiliated Hosp, Dept Oncol, Zhengzhou, Henan, Peoples R ChinaFirst Peoples Hosp Zhengzhou, Dept Neurol, Zhengzhou, Henan, Peoples R China
Shi, Yunshu
Xu, Liyan
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Zhengzhou Univ, Sch Basic Med Sci, Dept Med Genet & Cell Biol, Zhengzhou 450001, Henan, Peoples R ChinaFirst Peoples Hosp Zhengzhou, Dept Neurol, Zhengzhou, Henan, Peoples R China
Xu, Liyan
Zhang, Yuchao
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机构:
First Peoples Hosp Zhengzhou, Dept Eugen Genet, Zhengzhou, Henan, Peoples R ChinaFirst Peoples Hosp Zhengzhou, Dept Neurol, Zhengzhou, Henan, Peoples R China
Zhang, Yuchao
Zhao, Huiling
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机构:
Zhengzhou Univ, Sch Basic Med Sci, Dept Med Genet & Cell Biol, Zhengzhou 450001, Henan, Peoples R ChinaFirst Peoples Hosp Zhengzhou, Dept Neurol, Zhengzhou, Henan, Peoples R China
Zhao, Huiling
Li, Qiangmin
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机构:
First Peoples Hosp Zhengzhou, Dept Neurol, Zhengzhou, Henan, Peoples R ChinaFirst Peoples Hosp Zhengzhou, Dept Neurol, Zhengzhou, Henan, Peoples R China
Li, Qiangmin
Zhao, Xingjuan
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Zhengzhou Univ, Affiliated Hosp 1, Dept Neurol, Zhengzhou, Henan, Peoples R ChinaFirst Peoples Hosp Zhengzhou, Dept Neurol, Zhengzhou, Henan, Peoples R China
Zhao, Xingjuan
Cao, Xinhui
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机构:
First Peoples Hosp Zhengzhou, Dept Neurol, Zhengzhou, Henan, Peoples R ChinaFirst Peoples Hosp Zhengzhou, Dept Neurol, Zhengzhou, Henan, Peoples R China
Cao, Xinhui
Zheng, Hong
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Zhengzhou Univ, Sch Basic Med Sci, Dept Med Genet & Cell Biol, Zhengzhou 450001, Henan, Peoples R ChinaFirst Peoples Hosp Zhengzhou, Dept Neurol, Zhengzhou, Henan, Peoples R China
Zheng, Hong
He, Ying
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Zhengzhou Univ, Sch Basic Med Sci, Dept Med Genet & Cell Biol, Zhengzhou 450001, Henan, Peoples R ChinaFirst Peoples Hosp Zhengzhou, Dept Neurol, Zhengzhou, Henan, Peoples R China