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Detection of mammagloblin by RT-PCR as a biomarker for lymph node metastasis in breast cancer patients: A systematic review and meta-analysis

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Date
2019
Author
Monsalve-Lancheros, Ana
Ibáñez-Pinilla, MilcíadesAutoridad Universidad de Rosario
Ramírez-Clavijo, SandraAutoridad Universidad de Rosario
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URI
https://doi.org/10.1371/journal.pone.0216989
https://repository.urosario.edu.co/handle/10336/22834

Abstract
Background This meta-analysis presents evidence regarding the diagnostic accuracy of mammaglobin detected using the RT-PCR technique, related to the presence of sentinel node metastasis in breast cancer patients. Methods The following databases were consulted: Cochrane, Lilacs, Scielo, Hinary, PubMed, Elsevier, Embase, ProQuest, the Universidad del Rosario´s Centro de Recursos Para el Apren-dizaje y la Investigación (CRAI-UR) [Resource Center for Learning and Research], and the Google Scholar search engine. The quality of the studies was assessed using the QUADAS-2 and CASpe tools. The selected studies presented the necessary data to calculate diagnostic validity index of mammaglobin detection using RT-PCR, compared with the reference standard test. Global values for the sensitivity, specificity, positive predictive value, negative predictive value, probability ratios, diagnostic ORs, and summary ROC curves of this meta-analysis were obtained using the Meta-DiSc 1.4 program. Results Initially, 731 articles were obtained; but only 25 were included in the meta-analysis. Sensitivity was 84% (95% CI: 83% - 86%), and specificity was 92% (95% CI: 91% - 93%). Positive and negative predictive values were 9.26 (95% CI: 6.47–13.26) and 0.17 (95% CI: 0.13–0.23), respectively. The diagnostic OR was 66.34 (95% CI: 42.52–103.52). The predictive area under the sROC curve was 94.78 (Q = 0.8876). Conclusions The evaluated diagnostic index showed that the expression of the mammaglobin biomarker has diagnostic prediction for detecting lymph node metastasis in breast cancer patients, when analyzed using RT-PCR, although more than 50% heterogeneity was found. © 2019 Monsalve-Lancheros et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Keyword

Biological marker ; Mammagloblin protein ; tumor ; neoplastic ; Secretory protein ; Unclassified drug ; Mammaglobin a ; Tumor marker ; Article ; Breast cancer ; Cancer diagnosis ; Cancer patient ; Diagnostic accuracy ; Diagnostic test accuracy study ; Diagnostic value ; Human ; Lymph node metastasis ; Predictive value ; Reverse transcription polymerase chain reaction ; Sensitivity and specificity ; Systematic review ; Breast tumor ; Cluster analysis ; Female ; Gene expression regulation ; Meta analysis ; Metabolism ; Observational study ; Pathology ; Polymerase chain reaction ; Prognosis ; Receiver operating characteristic ; Reproducibility ; Biomarkers ; Breast neoplasms ; Cluster analysis ; Female ; Gene expression regulation ; Humans ; Lymphatic metastasis ; Mammaglobin a ; Observational studies as topic ; Polymerase chain reaction ; Predictive value of tests ; Prognosis ; Reproducibility of results ; Roc curve ; Sensitivity and specificity ;

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https://www.scopus.com/inward/record.uri?eid=2-s2.0-85066255280&doi=10.1371%2fjo...

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