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J Cancer 2018; 9(6):1088-1095. doi:10.7150/jca.23639 This issue Cite

Research Paper

Increased HE4 mRNA Expression Correlates with High Level Of eIF3a mRNA And Better Survival in Women with Epithelial Ovarian Cancer

Chen-Hui Luo1,2, Min Zhao1, Yu-Xi Tang3, Shohreh Shahabi4, Kai-Ning Fang3, Yan Chen3, Yan Tang3, Xiao-Yan Chen5, Jing Wang3✉, Hong-Hao Zhou1✉

1. Department of Clinical Pharmacology, Institute of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China;
2. Laboratory Animal Research Center, Hunan Cancer Hospital, the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, People's Republic of China;
3. Department of Gynecologic Oncology, Hunan Cancer Hospital, the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, People's Republic of China;
4. Department of Obstetrics and Gynecology, Division of Gynecologic Oncology, Prentice Women's Hospital, Northwestern University Feinberg School of Medicine, Chicago, IL, United States;
5. Department of Pathology, Hunan Cancer Hospital, the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, People's Republic of China.

✉ Corresponding authors: Hong-Hao Zhou, MD, Institute of Clinical Pharmacology, Xiangya Hospital, Central South University, 110 Xiangya Road, Changsha 410008, Hunan, People's Republic of China (phone number: +86 731 8480 5379, E-mail: hhzhou2003c More

Citation:
Luo CH, Zhao M, Tang YX, Shahabi S, Fang KN, Chen Y, Tang Y, Chen XY, Wang J, Zhou HH. Increased HE4 mRNA Expression Correlates with High Level Of eIF3a mRNA And Better Survival in Women with Epithelial Ovarian Cancer. J Cancer 2018; 9(6):1088-1095. doi:10.7150/jca.23639. https://www.jcancer.org/v09p1088.htm
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Abstract

Human epididymis protein 4 (HE4) is one of the most promising biomarkers for epithelial ovarian cancer (EOC). The majority of previous studies utilized the serum level or tissue protein expression of HE4 based upon immunohistochemistry (IHC) to evaluate the role of HE4 in the diagnosis, prognosis, and surveillance of EOC, but very little is known about HE4 mRNA expression. Eukaryotic translation initiation factor 3a (eIF3a) is implicated in oncogenesis and has been investigated extensively as a potential biomarker for malignancy. We previously reported a positive correlation between IHC expressions of eIF3a and HE4 in EOC. In the present study, we performed RT-PCR to determine mRNA expressions of HE4 and eIF3a in 30 normal ovarian tissues, 45 benign, 20 borderline and 94 malignant ovarian tumors. The association of HE4 and eIF3a mRNA expressions with clinicopathological characteristics and patient survivals was investigated. IHC was also performed in the same participants to investigate the correlation between mRNA and protein levels of HE4. HE4 mRNA level was found to be 48.42 ± 74.55 (mean ± SD, range: 0.01-343.99), significantly higher in primary EOC than in the borderline tumor, benign tumor, and normal ovarian tissue (P<0.001). The cutoff value was 13.99 for HE4 to discriminate malignant from benign tumors at 68.1% sensitivity and 93.0% specificity. By Spearman's correlation test, HE4 mRNA expression was indicated to positively correlate with serum CA125 level (r=0.530, P<0.001). Higher HE4 mRNA expression was associated with decreased frequency of lymph node metastasis (P=0.038) and better overall survival (OS) (P=0.007) in primary EOC. Multivariable analysis showed an independent prognostic value of the relative mRNA level of HE4 greater than one for OS (Hazard Ratio, 0.069, 95%CI, 0.009-0.530, P=0.010). eIF3a mRNA expression in women with primary EOC was 0.95 ± 1.19 (mean ± SD, range: 0.06-7.46), which was in a positive linear correlation with HE4 mRNA expression (r=0.310, P=0.002). In the present study, the HE4 mRNA level was unparalleled with IHC expression of HE4 (P>0.05). Collectively, our study revealed that increased HE4 mRNA expression correlates with high level of eIF3a mRNA and better survival in women with EOC, which calls for further investigations.

Keywords: HE4, epithelial ovarian cancer (EOC), mRNA, overall survival, eIF3a

Citation styles

APA
Luo, C.H., Zhao, M., Tang, Y.X., Shahabi, S., Fang, K.N., Chen, Y., Tang, Y., Chen, X.Y., Wang, J., Zhou, H.H. (2018). Increased HE4 mRNA Expression Correlates with High Level Of eIF3a mRNA And Better Survival in Women with Epithelial Ovarian Cancer. Journal of Cancer, 9(6), 1088-1095. https://doi.org/10.7150/jca.23639.

ACS
Luo, C.H.; Zhao, M.; Tang, Y.X.; Shahabi, S.; Fang, K.N.; Chen, Y.; Tang, Y.; Chen, X.Y.; Wang, J.; Zhou, H.H. Increased HE4 mRNA Expression Correlates with High Level Of eIF3a mRNA And Better Survival in Women with Epithelial Ovarian Cancer. J. Cancer 2018, 9 (6), 1088-1095. DOI: 10.7150/jca.23639.

NLM
Luo CH, Zhao M, Tang YX, Shahabi S, Fang KN, Chen Y, Tang Y, Chen XY, Wang J, Zhou HH. Increased HE4 mRNA Expression Correlates with High Level Of eIF3a mRNA And Better Survival in Women with Epithelial Ovarian Cancer. J Cancer 2018; 9(6):1088-1095. doi:10.7150/jca.23639. https://www.jcancer.org/v09p1088.htm

CSE
Luo CH, Zhao M, Tang YX, Shahabi S, Fang KN, Chen Y, Tang Y, Chen XY, Wang J, Zhou HH. 2018. Increased HE4 mRNA Expression Correlates with High Level Of eIF3a mRNA And Better Survival in Women with Epithelial Ovarian Cancer. J Cancer. 9(6):1088-1095.

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