Association of Serum Vitamin D Level and Vitamin D Receptor Polymorphism (Apa 1) and Breast Cancer | ||||
| The Medical Journal of Cairo University | ||||
| Article 22, Volume 87, June, June 2019, Page 1515-1523 PDF (534.99 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/mjcu.2019.53570 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| BELAL A.E. MONTASER, M.D.; SUZY F. GOHAR, M.D.; SUZAN A. AL-HASSANIN, M.D.; SHAIMAA S. SOLIMAN, M.D. | ||||
| The Departments of Clinical Pathology*, Clinical Oncology & Nuclear Medicine** and Public Health & Community Medicine***, Faculty of Medicine, Menoufia University, Shebin El-Kom, Egypt | ||||
| Abstract | ||||
| Abstract Background: The active form of Vitamin D is thought to be protective against breast cancer. The activity of this steroid hormone is mediated mainly through the Vitamin D Receptor (VDR). Aim of Study: The aim of the current study was to assess the possible association between serum Vitamin D level together with Apa1 receptor polymorphism and breast cancer. Patients and Methods: This study was conducted at Clinical Oncology and Clinical Pathology Departments, Menoufia University. A total of 114 participants were included. Vitamin D levels and Apa1 polymorphism were assessed in both patients and healthy controls. Results: Mean serum Vitamin D levels were significantly higher among normal controls compared to cancer patients (31.54±4.57 versus 14.12±1.43) respectively (p-value <0.001). In relation to Apa1 gene polymorphism the serum Vitamin D levels were significantly associated with AA and AC genotypes (p-value <0.001) and both of these genotypes were prevalent in breast cancer compared to CC genotype. Low Vitamin D levels and AC genotypes were significantly related to Her 2 positive disease. Conclusion: Testing the effect of varying genotypes and Vitamin D levels on the function of the VDR could help to improve future testing and treatment of woman at risk for breast cancer. | ||||
| Keywords | ||||
| Vitamin D; breast cancer; Risk; Vitamin D receptor; Apa 1; Polymorphism | ||||
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