Estrogen Receptor Alpha Gene Expression in Breast Cancer Tissues from the Iranian Population - a Pilot Study

Hosseini, Arezoo; Gopalan, Vinod; Nassiri, Mohammadreza; Ghaffarzadehgan, Kamran; Aslaminejad, Ali; Ghovvati, Shahrokh; Smith, Robert A.; Lam, Alfred K.Y.

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저자정보: Hosseini, Arezoo (Animal Science department & Research Institute of Biotechnology, Ferdowsi University of Mashhad) Gopalan, Vinod (Cancer Molecular Pathology, Griffith Health Institute, Griffith University) Nassiri, Mohammadreza (Animal Science department & Research Institute of Biotechnology, Ferdowsi University of Mashhad) Ghaffarzadehgan, Kamran (Department of Pathology, Razavi Hospital) Aslaminejad, Ali (Animal Science department & Research Institute of Biotechnology, Ferdowsi University of Mashhad) Ghovvati, Shahrokh (Animal Science department & Research Institute of Biotechnology, Ferdowsi University of Mashhad) Smith, Robert A. (Cancer Molecular Pathology, Griffith Health Institute, Griffith University) Lam, Alfred K.Y. (Cancer Molecular Pathology, Griffith Health Institute, Griffith University)

저널정보: 아시아태평양암예방학회 Asian Pacific journal of cancer prevention : APJCP Asian Pacific journal of cancer prevention : APJCP 제15권 제20호

발행연도: 2014.1

수록면: 8,789 - 8,791 (3page)

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Estrogen receptor alpha ($ER{\alpha}$) is one of the major sub-types of estrogen receptors. $ER{\alpha}$ plays an important role in cellular proliferation and differentiation, chiefly in mammary tissues. In the present study we aimed to quantify of $ER{\alpha}$ mRNA and protein expression in breast tissues from the Iranian population using a real-time PCR assay. Twenty nine breast tissues including 19 adenocarcinomas and 10 normal controls were recruited from the Iranian population. mRNA extraction and cDNA synthesis were performed from these tissues using commercial kits. $ER{\alpha}$ mRNA and protein expression was quantified using real-time PCR and immunohistochemistry respectively. The results showed high expression of $ER{\alpha}$ mRNA (68%) and protein (53%) in the majority of breast cancer tissues compared to normal breast tissues (p= 0.035). Also, high $ER{\alpha}$ mRNA was associated with tumour size of breast carcinomas. In this study, we first reported the expression of $ER{\alpha}$ in Iranian patients with breast cancers and demonstrated prevalence of the expression to be similar to breast cancers noted in other populations.

#Breast cancer #gene expression #$ER{alpha}$ #relative quantitative real-time PCR #Iran

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Hosseini, Arezoo

소속기관 Animal Science department & Research Institute of Biotechnology, Ferdowsi University of Mashhad