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Is OVX1 a suitable marker for endometrial cancer?

  • The single most common cause leading to the diagnosis of endometrial cancer is postmenopausal bleeding. Although most patients with early-stage disease (FIGO stage I and II) can be cured, prognosis worsens considerably with increasing stage. While serum CA 125 levels are elevated only in a significant proportion of patients with advanced disease, recently a new serum marker (OVX1) for the detection of early-stage endometrial cancer was reported. Serum OVX1 levels were measured using an OVX1The single most common cause leading to the diagnosis of endometrial cancer is postmenopausal bleeding. Although most patients with early-stage disease (FIGO stage I and II) can be cured, prognosis worsens considerably with increasing stage. While serum CA 125 levels are elevated only in a significant proportion of patients with advanced disease, recently a new serum marker (OVX1) for the detection of early-stage endometrial cancer was reported. Serum OVX1 levels were measured using an OVX1 radioimmunoassay (RIA) or enzyme immunoassay (EIA) in 192 patients with endometrial cancer. CA 125 levels were measured in 112 patients using the CIS ELSA CA 125 kit. Apparently healthy females had mean serum OVX1 levels measured with the OVX1–EIA of 1.34 ± 0.74 U/ml, while patients with endometriosis had mean OVX1 serum levels of 3.15 ± 2.45 U/ml. The mean OVX1 serum level for endometrial cancer patients was 2.00 ± 1.32 U/ml. These values were 2.76 ± 1.62, 6.10 ± 4.66, and 5.37 ± 3.49, respectively, using the OVX1–RIA assay. Applying a cutoff value of 2.8 U/ml, serum OVX1–EIA levels in endometrial cancer patients were increased in 25 of 127 patients (19.7%) with stage I disease, 5 of 17 patients with stage II (29.4%), 5 of 22 patients (22.7%) with stage III, and 4 of 11 patients (36.4%) with stage IV disease. Using the OVX1–RIA and a cutoff of 7.2 U/ml, serum levels were increased in 22 of 127 (17.3%) stage I, 6 of 17 (35.3%) stage II, 5 of 22 (22.7%) stage III, and 6 of 11 (54.5%) stage IV patients. Serum CA 125 levels, determined in a total of 112 patients, were elevated above 35 U/ml in 12 of 79 patients (15.2%) with stage I, 4 of 12 patients (33.3%) with stage II, 8 of 13 patients (61.5%) with stage III, and all of 8 patients (100%) with stage IV disease. While a good correlation between serum CA 125 levels and the clinical stage of the disease was found, no correlation could be detected for OVX1 and stage.show moreshow less

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Metadaten
Author:Eberhard BeckGND, Maren Wagner, Lisa Anselmino, Feng-ji Xu, Robert C. Bast Jr., Wolfram Jäger
Parent Title (English):In: Gynecologic Oncology 65(1997) 2, 291–296
Document Type:Article
Language:English
Year of Publishing:1997
Date of Publication (online):2013/02/01
Release Date:2013/02/01
First Page:291
Last Page:296
University Bibliography:Hochschulbibliografie
Licence (German):Creative Commons - Namensnennung, Nicht kommerziell, Keine Bearbeitung
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