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Expression of estrogen receptor-related receptors, a subfamily of orphan nuclear receptors, as new tumor biomarkers in ovarian cancer cells
Sun, PM1; Sehouli, J1; Denkert, C1; Mustea, A1; Konsgen, D1; Koch, I1; Wei, LH1; Lichtenegger, W1
关键词Orphan Receptor Estrogen Receptor-related Receptor Ovarian Cancer Tumor Marker
刊名JOURNAL OF MOLECULAR MEDICINE-JMM
2005-06-01
DOI10.1007/s00109-005-0639-3
83期:6页:457-467
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Genetics & Heredity ; Medicine, Research & Experimental
研究领域[WOS]Genetics & Heredity ; Research & Experimental Medicine
关键词[WOS]HUMAN LACTOFERRIN GENE ; TRANSCRIPTIONAL REGULATION ; PROGESTERONE-RECEPTOR ; AROMATASE EXPRESSION ; RESPONSE ELEMENTS ; BREAST-CANCER ; ERR-ALPHA ; BETA ; COACTIVATOR ; BINDING
英文摘要

A subfamily of orphan receptors, estrogen receptor-related receptors (ERRs), has been demonstrated to modulate the transcription of some estrogen responsive genes via variant estrogen response elements (EREs). This study was conducted to determine whether human ERRL alpha, ERR beta, and ERR gamma might be involved in the tumorigenesis of ovarian cancer. RT-PCR was performed to analyze the expression of hERR alpha, hERR beta, hERR beta-2, and hERR gamma mRNA in five ovarian cancer cell lines as well as 33 samples of ovarian cancer and 12 samples of normal ovary. Serum CA-125 levels were also analyzed in all samples by ELISA. Progression-free survival and overall survival of patients with different expression of ERRs were analyzed by the Kaplan-Meier method. To analyze the subcellular localization of ERR alpha, a green fluorescent protein(GFP)reporter plasmid of hERRL alpha was constructed and transfected into the ovarian cancer cell line OVCAR-3. Expression of hERR(alpha-GFP fusion protein was observed in the nucleus of OVCAR-3 ovarian cancer cell lines. We observed increased expression of hERR alpha mRNA (T -0.020) and hERR gamma mRNA (P=0.045) in ovarian cancers compared to normal ovaries. In contrast, hERR beta was only observed in 9.1% of ovarian cancers. We found a positive correlation between the serum CA-125 levels and hERR alpha expression (P=0.012), but not hERR beta and hERR gamma expression. Survival analysis showed that the hERR alpha-positive group has a reduced overall survival (P-0.015), and the EPR gamma-positive group has a longer progression-free survival (P = 0.020). In multivariate analysis, expression of hERRa was an independent prognostic factor for poor survival (relative risk, 3.032; 95% CI, 1.27-6.06). Based on our results, ERRs may play an important role in ovarian cancer. hERR alpha may represent a biomarker of poor prognosis, and hERR gamma may be a new therapeutic target in ovarian cancer.

语种英语
WOS记录号WOS:000230409400007
引用统计
被引频次:70[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/53106
专题北京大学第二临床医学院
作者单位1.Univ Med Berlin, Dept Obstet & Gynecol, Charite, D-13353 Berlin, Germany
2.Peking Univ, Dept Obstet & Gynecol, Peoples Hosp, Hlth Sci Ctr, Beijing 100044, Peoples R China
3.Univ Med Berlin, Inst Pathol, Charite, D-10117 Berlin, Germany
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GB/T 7714
Sun, PM,Sehouli, J,Denkert, C,et al. Expression of estrogen receptor-related receptors, a subfamily of orphan nuclear receptors, as new tumor biomarkers in ovarian cancer cells[J]. JOURNAL OF MOLECULAR MEDICINE-JMM,2005,83(6):457-467.
APA Sun, PM.,Sehouli, J.,Denkert, C.,Mustea, A.,Konsgen, D.,...&Lichtenegger, W.(2005).Expression of estrogen receptor-related receptors, a subfamily of orphan nuclear receptors, as new tumor biomarkers in ovarian cancer cells.JOURNAL OF MOLECULAR MEDICINE-JMM,83(6),457-467.
MLA Sun, PM,et al."Expression of estrogen receptor-related receptors, a subfamily of orphan nuclear receptors, as new tumor biomarkers in ovarian cancer cells".JOURNAL OF MOLECULAR MEDICINE-JMM 83.6(2005):457-467.
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