The Effect of Polymorphisms on the Ala 119 Ser Gene Cytochrome P450 1B1*2 on the Susceptibility of Iranian Women to Develop Breast Cancer
Journal Title: International Journal of Cancer Management - Year 2017, Vol 10, Issue 3
Abstract
Background Cytochrome P450 IBI (CYP1B1) is involved in the metabolism of a wide range of internal and external substrates and also plays a key role in the metabolism of oestrogen. This enzyme is a factor that could potentially affect the likelihood of a person developing breast cancer. The aim of this study was to evaluate the correlation between polymorphism (RS1056827) and the occurrence of breast cancer in Iranian women. Methods We used a case-control study design. After an initial evaluation, 79 women with breast cancer (the patient group) and 79 women without breast cancer (the control group) were selected to participate in the study. Their blood samples were then obtained, and a sample of their DNA was extracted. PCR-RELP was used to determine the genotypes of the participants. The data were subjected to statistical tests using the SPSS software package. Results The results demonstrated that the frequency of the G allele in the patient and the control group were 34% and 69%, respectively. In addition, the frequency of the T allele in the patient and control group were 66% and 31%, respectively. The genotype frequency of TT, GG and TG in patients with breast cancer were 26.59%, 20.25% and 53.16%, respectively, and 22.79%, 60.76% and 16.45%, respectively, in the control group. There was a statistically meaningful correlation between the results of the genotypes in the patient and control groups. Conclusions The results demonstrated that patients with the TT genotype are 3.85 times more likely to develop breast cancer. Therefore, the presence of this polymorphism could be one of the factors that lead to the development of breast cancer.
Authors and Affiliations
Fereshteh Moheb Afzali, Zahra Tahmasebi Fard, Mohammad Esmaeil Akbari
The Molecular Mechanisms of Tobacco in Cancer Pathogenesis
Context: Studies have shown that cancer is a multi-factorial disease in its pathogenesis, in addition to genetic disorders, the effect of environmental factors can also be pointed. Among all environmental factors, tobacc...
Trends in the Incidence of Cancer in Iran (2003 - 2009)
Background Cancer is a leading cause of death throughout the world. Increasing life expectancy and aging population are important factors for increasing cancer incidences in devel...
Association Between NAT2 Polymorphisms and Prostate Cancer
Background NAT2 enzyme involved in bioconversion of aromatic amines, heterocyclic arylamines and certain drugs into electrophilic ions that can be important initiators in tumorige...
Phytochemicals in Cancer Prevention: A Review of the Evidence
Context: Cancer generally is considered as a neoplastic disease with particular causative and etiologic factors as well as protective elements. Although it has remained difficult to treat, it is preventable. Recently, th...
A Dynamic Model for Predicting Prostate Cancer in Iranian Men Based on a Perceptron Neural Network
Objectives To test a novel neural network prediction model for prostate cancer based on age, rectal examination, prostate specific antigen (PSA) and prostate volume. Methods 572 m...