Granzyme-B gene Polymorphisms and Susceptibility of Breast Cancer Patients in Egypt | ||||
| Egyptian Journal of Medical Microbiology | ||||
| Article 19, Volume 34, Issue 1, January 2025, Page 165-174 PDF (552.32 K) | ||||
| Document Type: New and original researches in the field of Microbiology. | ||||
| DOI: 10.21608/ejmm.2024.331040.1362 | ||||
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| Authors | ||||
Fatma E.E. Osman1; Sobhy H. El Nabi1; Islam M. El-Garawani1; Ehab M. Oraby2; Mahmoud M. Kamel3; Heba M.R. Hathout  4; Mona M. Abo El-Ela2
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| 1Zoology Department, Faculty of Science, Menoufia University, Shebin El-Kom, Menoufia, Egypt | ||||
| 2General Surgery, Faculty of Medicine, Benha University, Egypt | ||||
| 3Clinical Pathology, National cancer institute, Cairo University, Egypt | ||||
| 4Natural resources department, Faculty of African Postgraduate Studies, Cairo University, Egypt | ||||
| Abstract | ||||
| Background: Breast cancer (BC) is the most common type of female cancer in Egypt. Granzyme B (GrB) is primarily found in cytotoxic granules and has been considered the most abundant Granzyme. However, recent research has revealed various other crucial roles for GrB. Objectives: In this study, we aimed to examine Granzyme-B (GrB) expression as well as to investigate whether a common genetic variation in the gene encoding GrB, among two single nucleotide polymorphisms (rs8192917, rs2236338), is associated with breast cancer risk in Egyptian women. Methodology: This study included 195 participants, with 103 cases diagnosed with breast cancer and 92 serving as controls. Flow cytometry was used to assess anti-Granzyme B expression, while genotyping of the Granzyme B gene variants (rs8192917, rs2236338) was conducted. Results: We observed a substantial decrease (p < 0.001) in the percentage of Granzyme B in breast cancer patients compared to healthy women, with an odds ratio of 10.110 (95% confidence interval: 4.966-20.582). In rs8192917, The GG genotype and G allele could be considered risk factors for breast cancer (OR= 1.22, 95% CI: 1.02-1.22, P<0.001) and G allele (OR = 5, 95% CI: 2- 12.53, P=00). Additionally, in rs2236338, GC and GG genotypes , and the C allele was; OR =3.91 (95% CI: 1.07-14.3, OR = 0.233 (95% CI: 0.069-0.86), and 4.09 (95% CI: 1.15-14.57), respectively could all be risk factors for breast cancer. Conclusion: The variant allele (rs8192917 and Granzyme-B (GrB) expression) could be considered as a predictive factor for breast cancer development in Egyptian females. | ||||
| Keywords | ||||
| Breast cancer; SNP polymorphism; Granzyme B (GrB); Egyptian patients; Case-control study | ||||
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