hTERT Protein Expression in Cytoplasm and Nucleus and its Association With HPV Infection in Patients With Cervical Cancer
AuthorMoreno-Acosta, P; Molano, M; Morales, N; Acosta, J; Gonzalez-Prieto, C; Mayorga, D; Buitrago, L; Gamboa, O; Mejia, JC; Castro, J; ...
Source TitleCancer Genomics and Proteomics
PublisherINT INST ANTICANCER RESEARCH
AffiliationObstetrics and Gynaecology
Document TypeJournal Article
CitationsMoreno-Acosta, P., Molano, M., Morales, N., Acosta, J., Gonzalez-Prieto, C., Mayorga, D., Buitrago, L., Gamboa, O., Mejia, J. C., Castro, J., Romero-Rojas, A., Espenel, S., Murray, G. L., Garland, S. M., Vallard, A. & Magne, N. (2020). hTERT Protein Expression in Cytoplasm and Nucleus and its Association With HPV Infection in Patients With Cervical Cancer. CANCER GENOMICS & PROTEOMICS, 17 (5), pp.615-625. https://doi.org/10.21873/cgp.20218.
Access StatusAccess this item via the Open Access location
Open Access URLPublished version
BACKGROUND: Few studies have analyzed the association between human telomerase reverse transcriptase (hTERT) protein expression (nuclear and cytoplasmic localization), hTERT methylation status, and human papillomavirus (HPV) genotype infection in cervical cancer. PATIENTS AND METHODS: One hundred seventy-three patients with cervical cancer were analyzed. hTERT protein expression was detected by immunohistochemistry. hTERT DNA methylation analysis was performed using a PCR-RLB-hTERT assay, targeting two regions of the hTERT promoter. Type specific HPV infection was detected by using GP5+/GP6+PCR-RLB. RESULTS: hTERT protein expression was found in both cytoplasm and nucleus (78.0% of the samples showed a cytoplasmic localization and 79.8% had a nuclear localization). A statistically significant association was found between alpha 9 and 7 HPV species with a non-methylation pattern of the hTERT promoter and between these species and high expression of hTERT protein with nuclear localization. CONCLUSION: hTERT protein is found in both the nucleus and cytoplasm of patients with cervical cancer and confirm the relationship between the non-methylated status of hTERT promoter and some HPV species as well as the relationship between these species and hTERT protein expression.
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