Summary
The utility of placental growth factor (PlGF) and its receptor VEGFR-1 (Flt-1) as biomarkers for cervical cancer has not been clarified yet. To address this issue, we investigated the levels of soluble PlGF (sPlGF) and soluble Flt-1 (sFlt-1) in the serum from patients with early cervical cancer, cervical intraepithelial neoplasia (CIN) and controls in this study. sPlGF and sFlt-1 were detected in 44 preoperative patients with cervical cancer, 18 cases with CIN, and 20 controls by ELISA. It was found that both sPlGF and sFlt-1 were significantly increased in the cervical cancer group as compared with those in CIN and control groups. sPlGF presented a high diagnostic ability of cervical cancer, with a sensitivity of 61.36% and a specificity of 89.47%; and sFlt-1 with a sensitivity of 50.00% and a specificity of 92.11%. Importantly, the combined use of sPlGF and sFlt-1 could increase the diagnostic rate of cervical cancer, with a sensitivity of 70.45% and a specificity of 92.11%. These results indicated that both sPlGF and sFlt-1 in circulation can serve as possible valuable diagnostic biomarkers for cervical cancer, and the combined use of them can be more valuable to diagnose the patients with early cervical cancer.
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This work was supported by the National Natural Science Foundation of China (No. 81202063).
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Yang, Sh., Wang, Xl., Cai, J. et al. Diagnostic Value of Circulating PIGF in Combination with Flt-1 in Early Cervical Cancer. CURR MED SCI 40, 973–978 (2020). https://doi.org/10.1007/s11596-020-2269-y
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DOI: https://doi.org/10.1007/s11596-020-2269-y