ArticleMedical journal, Armed Forces India2022
A pilot study on DNA hypermethylation status in promoter region of P16 gene in patients with sporadic breast cancer.
Article in Medical journal, Armed Forces India, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 2 citations in OpenAlex.
- A Review on the Impact of Aberrant Methylation in Breast Cancer: Diagnostic, Prognostic, and Therapeutic Approaches.Iranian journal of biotechnology · 2024Review
- The Prognostic Significance of P16 Immunohistochemical Expression Pattern in Women with Invasive Ductal Breast Carcinoma.Reports of biochemistry & molecular biology · 2023Article
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Authors and funding
10 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Epigenetic modification of cancer-related genes plays a role over and above their genetic alterations and contributes to the tumor initiation and progression of breast cancer. Promoter methylation of tumor suppressor genes is one such epigenetic modification, which can be potential biomarker. In this study, promoter methylation status of p16 gene was studied in blood samples of patients with breast carcinoma. Methods: Seventy-five patients, freshly diagnosed with carcinoma of breast and 20 age and sex matched healthy control subjects were recruited for the study. DNA extracted from EDTA blood sample was bisulfite converted and subjected to methylation-specific PCR to amplify the p16 promoter region. Results: Out of 75 patients, 25 (33%) patients showed hypermethylation in promoter region of p16 gene, which was statistically significant in comparison with the control group (p < 0.05). In subgroup analysis, lymph node involvement, cancer grade, and histopathological finding did not show any difference with methylation status of p16 promoter. Conclusion: Significant hypermethylation of p16 promoter region in the blood of histopathologically proven cases of breast cancer was observed suggesting promoter hypermethylation of p16 may be a possible mechanism accounting for sporadic carcinoma of breast.
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