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Platelet protein biomarker panel for ovarian cancer diagnosis.


ABSTRACT: Background:Platelets support cancer growth and spread making platelet proteins candidates in the search for biomarkers. Methods:Two-dimensional (2D) gel electrophoresis, Partial Least Squares Discriminant Analysis (PLS-DA), Western blot, DigiWest. Results:PLS-DA of platelet protein expression in 2D gels suggested differences between the International Federation of Gynaecology and Obstetrics (FIGO) stages III-IV of ovarian cancer, compared to benign adnexal lesions with a sensitivity of 96% and a specificity of 88%. A PLS-DA-based model correctly predicted 7 out of 8 cases of FIGO stages I-II of ovarian cancer after verification by western blot. Receiver-operator curve (ROC) analysis indicated a sensitivity of 83% and specificity of 76% at cut-off >0.5 (area under the curve (AUC)?=?0.831, p?

SUBMITTER: Lomnytska M 

PROVIDER: S-EPMC5767003 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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<h4>Background</h4>Platelets support cancer growth and spread making platelet proteins candidates in the search for biomarkers.<h4>Methods</h4>Two-dimensional (2D) gel electrophoresis, Partial Least Squares Discriminant Analysis (PLS-DA), Western blot, DigiWest.<h4>Results</h4>PLS-DA of platelet protein expression in 2D gels suggested differences between the International Federation of Gynaecology and Obstetrics (FIGO) stages III-IV of ovarian cancer, compared to benign adnexal lesions with a se  ...[more]

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