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المؤلفGupta I.
المؤلفOuhtit A.
المؤلفAl-Ajmi A.
المؤلفRizvi S.G.A.
المؤلفAl-Riyami H.
المؤلفAl-Riyami M.
المؤلفTamimi Y.
تاريخ الإتاحة2020-04-07T11:46:17Z
تاريخ النشر2018
اسم المنشورEndocrine Connections
المصدرScopus
الرقم المعياري الدولي للكتاب20493614
معرّف المصادر الموحدhttp://dx.doi.org/10.1530/EC-17-0173
معرّف المصادر الموحدhttp://hdl.handle.net/10576/13886
الملخصIn Oman, breast cancer is most common, representing approximately more than 25% of all cancers in women. Relatively younger populations of patients (25-40 years) present surprisingly with an aggressive phenotype and advanced tumor stages. In this study, we investigated differential gene expressions in Luminal A, Luminal B, triple-negative and Her2+ breast cancer subtypes and compared data to benign tumor samples. We identified a potential candidate gene BRIP1, showing differential expression in the four breast cancer subtypes examined, suggesting that BRIP1 has the profile of a useful diagnostic marker, suitable for targeted therapeutic intervention. RT-qPCR and Western blotting analysis showed higher BRIP1 expression in luminal samples as compared to triple-negative subtype patient's samples. We further screened BRIP1 for eventual mutations/SNPs/deletions by sequencing the entire coding region. Four previously identified polymorphisms were detected, one within the 5'-UTR region (c.141-64G > A) and three in the BRCA-binding domain (c.2755T > C, c.2647G > A and c.3411T > C). Kaplan-Meier analysis revealed that patients with overexpression of BRIP1 displayed a poor survival rate (P < 0.05). BRIP1 has a dual function of an oncogene and a tumor suppressor gene in addition to its role as a potential biomarker to predict survival and prognosis. Data obtained in this study suggest that BRIP1 can plausibly have an oncogenic role in sporadic cancers.
اللغةen
الناشرBioScientifica Ltd.
الموضوعBiomarkers
Breast cancer
BRIP1
Oncogene
Overexpression
العنوانBRIP1 overexpression is correlated with clinical features and survival outcome of luminal breast cancer subtypes
النوعArticle
الصفحات65-77
رقم العدد1
رقم المجلد7
dc.accessType Abstract Only


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