Mechanisms of human papillomavirus and host gene transcriptional deregulation in cervical carcinogenesis
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Drane, Emma Louise Antoinette
Abstract
Cervical malignancy is the fourth most common cause of cancer-related mortality in women worldwide; infection with high-risk human papillomavirus (HRHPV) is responsible for over 500,000 cases of cervical carcinoma each year, approximately 90% of which are squamous cell carcinomas (SCCs). Over half of all HPV-positive cervical SCCs are caused by the deregulated expression of HPV16 oncogenes E6 and E7 in proliferating basal cells of the cervical squamous epithelium. The major risk factor associated with cervical neoplastic progression is integration of HRHPV into the host genome, which is detected in $~