ArticleInternational journal of applied & basic medical research
Role of Glutathione S-Transferase M1 and Glutathione S Transferase Theta 1 Gene Polymorphism, Histopathological, and Immunohistochemistry in Carcinoma Breast.
Article in International journal of applied & basic medical research. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed, 1 citations in OpenAlex.
- Detection ofJournal of clinical medicine · 2023Article
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6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundBreast cancer is the most common invasive cancer in females in developing countries such as India. It is the most common malignancy in females in the Punjab state.
objectives(1) The purpose of this study was to calculate the prevalence of the four subtypes of breast cancer based on molecular classification and (2) to determine the association of polymorphisms in Glutathione S-Transferase M1 (GSTM1) and Glutathione S transferase theta 1 (GSTT1) gene in carcinoma of the breast with histopathological grading. MATERIALS AND
methodsThis study analyzed histologically confirmed 100 cases of carcinoma breast; immunohistochemistry and reverse transcription polymerase chain reaction molecular tests were performed for further grading, molecular typing, and gene polymorphism.
resultsOut of 24 Grade I tumors, 18 (75.00%) expressed the GSTM1 gene and 6 (25.00%) were negative. Out of 48 Grade II tumors, 30 (62.50%) expressed the GSTM1 gene and 18 (37.50%) were negative. Out of 28 Grade III tumors, 8 (28.57%) expressed the GSTM1 gene and 20 (71.43%) were negative. Out of 24 Grade I tumors, 17 (70.83%) expressed the GSTT1 gene and 7 (29.17%) were negative. Out of 48 Grade 2 tumors, 28 (58.33%) expressed the GSTT1 gene and 20 (41.67%) were negative. Out of 28 Grade III tumors, 8 (28.57%) expressed the GSTT1 gene and 20 (71.43%) were negative.
conclusionOur study shows that polymorphism of both GSTM1 and GSTT1, either individually or in combination, influences the risk of developing carcinoma due to DNA damage caused by many factors including environmental and genetic.
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