Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
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Παρασκευή 30 Ιουνίου 2017

Putative biomarkers for cervical cancer: SNVs, methylation and expression profiles

Publication date: Available online 30 June 2017
Source:Mutation Research/Reviews in Mutation Research
Author(s): Maria de Fátima Senra Cardoso, Carlos Henrique Madeiros Castelletti, José Luiz de Lima-Filho, Danyelly Bruneska Gondim Martins, José António Couto Teixeira
Cervical cancer is primarily caused by Human papillomavirus (HPV) infection, but other factors such as smoking habits, co-infections and genetic background, can also contribute to its development. Although this cancer is avoidable, it is the fourth most frequent type of cancer in females worldwide and can only be treated with chemotherapy and radical surgery. There is a need for biomarkers that will enable early diagnosis and targeted therapy for this type of cancer. Therefore, a systems biology pipeline was applied in order to identify potential biomarkers for cervical cancer, which show significant reports in three molecular aspects: DNA sequence variants, DNA methylation pattern and alterations in mRNA/protein expression levels. CDH1, CDKN2A, RB1 and TP53 genes were selected as putative biomarkers, being involved in metastasis, cell cycle regulation and tumour suppression. The other ten genes (CDH13, FHIT, PTEN, MLH1, TP73, CDKN1A, CACNA2D2, TERT, WIF1, APC) seemed to play a role in cervical cancer, but the lack of studies prevented their inclusion as possible biomarkers. Our results highlight the importance of these genes. However, further studies should be performed to elucidate the impact of DNA sequence variants and/or epigenetic deregulation and altered expression of these genes in cervical carcinogenesis and their potential as biomarkers for cervical cancer diagnosis and prognosis.



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