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Expression and clinical significance of SLP-2 in ovarian tumors

  • Authors:
    • Jingjing Zhang
    • Xiucai Song
    • Cuihong Li
    • Yanjie Tian
  • View Affiliations / Copyright

    Affiliations: Department of Obstetrics and Gynecology, Yidu Central Hospital of Weifang, Weifang, Shandong 262500, P.R. China, Department of Obstetrics and Gynecology, Shandong Provincial Hospital affiliated to Shandong University, Jinan, Shandong 250021, P.R. China
  • Pages: 4626-4632
    |
    Published online on: March 5, 2019
       https://doi.org/10.3892/ol.2019.10116
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Abstract

The expression and clinical significance of stomatin‑like protein 2 (SLP-2) in ovarian tumors were investigated. A total of 280 cases of ovarian tissue specimens preserved from inpatients after surgical treatments in the Department of Oncology of Yidu Central Hospital of Weifang from April 2013 to May 2016 were collected, including 130 cases of malignant ovarian tumor tissue specimens (malignant tumor group), 75 cases of benign ovarian tumor tissue specimens (benign tumor group) and 75 cases of normal ovarian tissue specimens from bilateral ovariectomy for unilateral ovarian lesions (control group). Immunohistochemistry was used to detect the expression of SLP-2 protein in the three groups. Reverse transcription-quantitative polymerase chain reaction (RT-qPCR) was utilized to detect the relative expression of SLP-2 mRNA in the three groups, and the relationship between SLP-2 and clinicopathological parameters of the ovarian cancer patients was analyzed. The patients with ovarian cancer were divided into the SLP-2 high-expression group and the SLP-2 low-expression group according to the median of SLP-2 relative expression. The survival of patients was analyzed using the Kaplan-Meier and Cox regression model. The results of immunohistochemistry showed that the positive expression rate of SLP-2 protein in the malignant tumor group was significantly higher than that in the benign tumor and control groups (p<0.001). The results of RT-qPCR showed that compared with the control group, the relative expression of SLP-2 mRNA in the ovarian tissues in the benign tumor group and the malignant tumor group was increased (p<0.001). The relative expression of SLP-2 mRNA in the malignant tumor group was higher than that in the benign tumor group (p<0.001). The relative expression of SLP-2 mRNA correlated with clinical stage, pathological differentiation and lymph node metastasis of the patients with ovarian cancer (p<0.05). The 5-year overall survival (OS) in the SLP-2 mRNA high expression group was significantly lower than that in the SLP-2 mRNA low expression group at 5 years (p<0.05). SLP-2 mRNA was an independent prognostic factor influencing OS of the patients (p<0.05). SLP-2 may be involved in the occurrence and development of ovarian cancer and related to the clinical stage, pathological differentiation and lymph node metastasis of the patients with ovarian cancer, which may also play a role in promoting the invasion and metastasis processes of ovarian cancer. Therefore, SLP-2 is expected to be an effective biomarker for targeted treatment and prognosis of ovarian tumor.
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Copy and paste a formatted citation
Spandidos Publications style
Zhang J, Song X, Li C and Tian Y: Expression and clinical significance of SLP-2 in ovarian tumors. Oncol Lett 17: 4626-4632, 2019.
APA
Zhang, J., Song, X., Li, C., & Tian, Y. (2019). Expression and clinical significance of SLP-2 in ovarian tumors. Oncology Letters, 17, 4626-4632. https://doi.org/10.3892/ol.2019.10116
MLA
Zhang, J., Song, X., Li, C., Tian, Y."Expression and clinical significance of SLP-2 in ovarian tumors". Oncology Letters 17.5 (2019): 4626-4632.
Chicago
Zhang, J., Song, X., Li, C., Tian, Y."Expression and clinical significance of SLP-2 in ovarian tumors". Oncology Letters 17, no. 5 (2019): 4626-4632. https://doi.org/10.3892/ol.2019.10116
Copy and paste a formatted citation
x
Spandidos Publications style
Zhang J, Song X, Li C and Tian Y: Expression and clinical significance of SLP-2 in ovarian tumors. Oncol Lett 17: 4626-4632, 2019.
APA
Zhang, J., Song, X., Li, C., & Tian, Y. (2019). Expression and clinical significance of SLP-2 in ovarian tumors. Oncology Letters, 17, 4626-4632. https://doi.org/10.3892/ol.2019.10116
MLA
Zhang, J., Song, X., Li, C., Tian, Y."Expression and clinical significance of SLP-2 in ovarian tumors". Oncology Letters 17.5 (2019): 4626-4632.
Chicago
Zhang, J., Song, X., Li, C., Tian, Y."Expression and clinical significance of SLP-2 in ovarian tumors". Oncology Letters 17, no. 5 (2019): 4626-4632. https://doi.org/10.3892/ol.2019.10116
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