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Detection of E6-AP as a potential therapeutic target in cervical specimen of HPV-infected women

Hillemanns, P and Jentschke, M and Evans, TG and Soergel, P and Hass, R (2014) Detection of E6-AP as a potential therapeutic target in cervical specimen of HPV-infected women. ARCHIVES OF GYNECOLOGY AND OBSTETRICS. pp. 1281-1286.

Abstract

Silencing of HPV oncogenes or their human host client proteins using topically applied small interfering RNA (siRNA) may be an attractive nonsurgical strategy for CIN treatment. An exploratory clinical investigation was designed to evaluate E6-AP mRNA expression levels in different stages of cervical intraepithelial neoplasia and during the menstrual cycle.In 38 premenopausal women aged 18-45 years referred to colposcopy clinic, analysis of serum hormones, cervical smears for cytology and HPV DNA, cervical biopsy, p16 immunohistochemistry and E6-AP mRNA expression levels in cervical smears and biopsies were performed. The intra-subject variability in E6-AP mRNA expression of vaginal smears was assessed and compared to cervical biopsy specimens.RNA of sufficient quantity and quality was available for E6-AP expression analysis from 97 % of the collected cervical smears and from 56 % of the collected biopsy samples. The normalized RNA levels from cervical smears were approximately tenfold higher compared to biopsies. There was little influence by the phase of the menstrual cycle or by CIN stage. Real-time PCR showed that the expression level of E6-AP is in a range (< 28 C (t)) that would allow for detection of at least 100-fold modulation by a therapeutic agent (based on an assay LOD of C (t) = 36).Our findings suggest a potential therapeutic approach using E6-AP siRNA as a specific molecular target in cervical intraepithelial neoplasia

Item Type: Article
Additional Information: NIBR author: Evans, TG institute: NIBR contributor address:
Date Deposited: 13 Oct 2015 13:12
Last Modified: 13 Oct 2015 13:12
URI: https://oak.novartis.com/id/eprint/22582

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