Effect of Rs5746136 genotypes on SOD activity and biomarkers levels in breast cancer patients

Hadi Sajid Abdulabbas; Yasir Haider Al-Mawlah; Hadi Sajid Abdulabbas; Yasir Haider Al-Mawlah

doi:10.3934/biophy.2023001

AIMS Biophysics

2023, Volume 10, Issue 1: 1-11. doi: 10.3934/biophy.2023001

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Effect of Rs5746136 genotypes on SOD activity and biomarkers levels in breast cancer patients

Hadi Sajid Abdulabbas ¹,
Yasir Haider Al-Mawlah ^{2
,
,}

1.
Continuous Education Department, Faculty of Dentistry, University of Al-Ameed, Karbala, 56001, Iraq
2.
DNA Research Center, University of Babylon, Babylon, Hillah-Najaf Street, 51001, Iraq

Received: 08 September 2022 Revised: 16 November 2022 Accepted: 24 November 2022 Published: 07 December 2022

Oxidative stress factors are among the most common carcinogens, Superoxide dismutase enzyme-2 (SOD2) is an endogenous antioxidant involved in the scavenging of superoxide anions. This study aimed to investigate the effect of the SOD2 gene polymorphism (rs5746136) on SOD activity and biomarker levels in breast cancer patients. This study aimed to investigate the effect of SOD2 gene (rs5746136) polymorphisms on SOD activity and biomarkers levels in breast cancer patients. The spectrophotometry methods were used to detect malondialdehyde (MDA) and Catalase (CAT), Superoxide dismutase (SOD), and Glutathione (GSH) levels, which reflect antioxidant capacity, and the genotypes of rs5746136 were detected utilize PCR and RFLP. According to the current findings, the GA genotype of the control group was the most common (70%), followed by GG and AA genotypes (26.7% and 3.3%) respectively. In the patient group, the most common genotype was GG (45.6%), followed by the GA genotype (42.8%) and then the AA genotype (11.4%) The frequency of heterozygous genotype G/A compared to the homozygous genotype (G/G) [OR = 0.3571, 95% CI = 0.1375–0.9277, P = 0.0345]. The AA genotype is significantly associated with an increased risk of developing BC [OR = 2.00, p = 0.5403, CI: 0.2175–18.3883]. No significant differences were found in frequencies of the A allele between patients and control groups [OR = 0.7872, 95% CI = 0.4198–1.4762, P = 0.4558]. In addition, there are modest (P 0.05) relationships between serum biochemical parameters levels and rs5746136 genotype in breast cancer patients, but a substantial association between serum SOD activity and GSH concentration and GA and GG rs5746136 genotype in the control group. In conclusion, the current investigation suggests that the AA genotype of (rs5746136) in the MnSOD gene may be associated with an increased risk of breast cancer. The chosen SOD2 variants (rs5746136) play a crucial role in controlling the activity of the SOD enzyme.
- breast cancer,
- antioxidant polymorphism,
- MnSOD,
- Rs5746136,
- SOD2,
- RFLP-PCR
Citation: Hadi Sajid Abdulabbas, Yasir Haider Al-Mawlah. Effect of Rs5746136 genotypes on SOD activity and biomarkers levels in breast cancer patients[J]. AIMS Biophysics, 2023, 10(1): 1-11. doi: 10.3934/biophy.2023001

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Abstract

Oxidative stress factors are among the most common carcinogens, Superoxide dismutase enzyme-2 (SOD2) is an endogenous antioxidant involved in the scavenging of superoxide anions. This study aimed to investigate the effect of the SOD2 gene polymorphism (rs5746136) on SOD activity and biomarker levels in breast cancer patients. This study aimed to investigate the effect of SOD2 gene (rs5746136) polymorphisms on SOD activity and biomarkers levels in breast cancer patients. The spectrophotometry methods were used to detect malondialdehyde (MDA) and Catalase (CAT), Superoxide dismutase (SOD), and Glutathione (GSH) levels, which reflect antioxidant capacity, and the genotypes of rs5746136 were detected utilize PCR and RFLP. According to the current findings, the GA genotype of the control group was the most common (70%), followed by GG and AA genotypes (26.7% and 3.3%) respectively. In the patient group, the most common genotype was GG (45.6%), followed by the GA genotype (42.8%) and then the AA genotype (11.4%) The frequency of heterozygous genotype G/A compared to the homozygous genotype (G/G) [OR = 0.3571, 95% CI = 0.1375–0.9277, P = 0.0345]. The AA genotype is significantly associated with an increased risk of developing BC [OR = 2.00, p = 0.5403, CI: 0.2175–18.3883]. No significant differences were found in frequencies of the A allele between patients and control groups [OR = 0.7872, 95% CI = 0.4198–1.4762, P = 0.4558]. In addition, there are modest (P 0.05) relationships between serum biochemical parameters levels and rs5746136 genotype in breast cancer patients, but a substantial association between serum SOD activity and GSH concentration and GA and GG rs5746136 genotype in the control group. In conclusion, the current investigation suggests that the AA genotype of (rs5746136) in the MnSOD gene may be associated with an increased risk of breast cancer. The chosen SOD2 variants (rs5746136) play a crucial role in controlling the activity of the SOD enzyme.

Conflict of interest

The authors declare no conflict of interest.

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