Polymorphism of <i>Nrf2</i>, an Antioxidative Gene, is Associated with Blood Pressure and Cardiovascular Mortality in Hemodialysis Patients

Shimoyama, Yasuhiko; Mitsuda, Yoko; Tsuruta, Yoshinari; Hamajima, Nobuyuki; Niwa, Toshimitsu

doi:10.7150/ijms.8590

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Int J Med Sci 2014; 11(7):726-731. doi:10.7150/ijms.8590 This issue Cite

Research Paper

Polymorphism of Nrf2, an Antioxidative Gene, is Associated with Blood Pressure and Cardiovascular Mortality in Hemodialysis Patients

Yasuhiko Shimoyama¹, Yoko Mitsuda², Yoshinari Tsuruta³, Nobuyuki Hamajima⁴, Toshimitsu Niwa^1,5✉

1. Department of Advanced Medicine for Uremia, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan;
2. Department of Preventive Medicine, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan;
3. Meiyo Clinic, Aichi, Japan;
4. Department of Healthcare Administration, Nagoya University Graduate School of Medicine,65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan;
5. Faculty of Health and Nutrition, Shubun University, 6 Nikko-cho, Ichinomiya, Aichi 491-0938, Japan.

Citation:

Shimoyama Y, Mitsuda Y, Tsuruta Y, Hamajima N, Niwa T. Polymorphism of Nrf2, an Antioxidative Gene, is Associated with Blood Pressure and Cardiovascular Mortality in Hemodialysis Patients. Int J Med Sci 2014; 11(7):726-731. doi:10.7150/ijms.8590. https://www.medsci.org/v11p0726.htm

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Abstract

Objective: Nrf2 is a transcription factor that regulates the expression of antioxidant genes. This study aimed to investigate the association of Nrf2 gene single nucleotide polymorphisms (SNPs), rs35652124 (-653A/G) and rs6721961 (-617C/A), with laboratory data and mortality in hemodialysis (HD) patients. Methods: Blood samples were obtained from 216 HD patients (119 males and 97 females; 60 diabetics and 156 non-diabetics) with mean age of 60.3±13.3 (SD) years, and mean HD duration of 9.10±8.28 years. Genotyping was performed using polymerase chain reaction with confronting two-pair primers (PCR-CTPP) assay.

Results: As for rs35652124, diastolic blood pressure (BP) was significantly high in total AA carriers. β2-microglobulin was significantly low in male AA carriers. Systolic BP, diastolic BP and albumin were significantly high in female AA carriers. As for 6721961, systolic BP and diastolic BP were significantly high in female AA carriers. Cox proportional hazard analysis adjusted for age, HD duration, diabetes and Kt/V demonstrated that rs35652124 AA carriers showed higher cardiovascular mortality than (GG+GA) carriers.

Conclusion: Nrf2 SNPs were associated with BP in Japanese HD patients. More notably, rs35652124 was associated with cardiovascular mortality in these patients.

Keywords: Nrf2, polymorphism, hemodialysis, blood pressure, cardiovascular mortality.

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APA

Shimoyama, Y., Mitsuda, Y., Tsuruta, Y., Hamajima, N., Niwa, T. (2014). Polymorphism of Nrf2, an Antioxidative Gene, is Associated with Blood Pressure and Cardiovascular Mortality in Hemodialysis Patients. International Journal of Medical Sciences, 11(7), 726-731. https://doi.org/10.7150/ijms.8590.

ACS

Shimoyama, Y.; Mitsuda, Y.; Tsuruta, Y.; Hamajima, N.; Niwa, T. Polymorphism of Nrf2, an Antioxidative Gene, is Associated with Blood Pressure and Cardiovascular Mortality in Hemodialysis Patients. Int. J. Med. Sci. 2014, 11 (7), 726-731. DOI: 10.7150/ijms.8590.

NLM

CSE

Shimoyama Y, Mitsuda Y, Tsuruta Y, Hamajima N, Niwa T. 2014. Polymorphism of Nrf2, an Antioxidative Gene, is Associated with Blood Pressure and Cardiovascular Mortality in Hemodialysis Patients. Int J Med Sci. 11(7):726-731.

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