نتایج جستجو برای: پروتیین e6 و e7
تعداد نتایج: 767074 فیلتر نتایج به سال:
The human papillomavirus (HPV) oncogenes, E6 and E7, are believed to contribute to the development of cervical cancers in women infected with certain HPV genotypes, most notably HPV-16 and HPV-18. Given their expression in tumor tissue, E6 and E7 have been implicated as potential tumor-specific antigens. We have examined an HPV-16 E6and E7-transgenic mouse lineage for immune responses to these ...
The E6 and E7 proteins are the major oncogenic drivers encoded by high-risk human papillomaviruses (HPVs). While many aspects of the transforming activities of these proteins have been extensively studied, there are fewer studies that have investigated how HPV E6/E7 expression affects the expression of cellular noncoding RNAs. The goal of our study was to investigate HPV16 E6/E7 modulation of c...
Cervical cancer is the second most common cancer in women worldwide. Human papillomavirus (HPV) is the primary etiologic agent of cervical cancer. Two HPV16 proteins, E6 and E7, are consistently expressed in tumor cells. Most therapeutic vaccines target one or both of these proteins. Taking the advantages of safety and no human leukocyte antigen restriction, protein vaccine has become the most ...
The human papillomavirus type 16 (HPV-16) E6 and E7 oncogenes are thought to play a role in the development of most human cervical cancers. These E6 and E7 oncoproteins affect cell growth control at least in part through their association with and inactivation of the cellular tumor suppressor gene products, p53 and Rb. To study the biological activities of the HPV-16 E6 and E7 genes in epitheli...
Human papillomavirus (HPV) is the primary cause of human cervical cancer. The viral proteins E6 and E7 are essential to transform noncancerous epithelial cells into cancerous carcinomas by targeting key tumor suppressors p53 and retinoblastoma (Rb) proteins, respectively, but the cellular factors involved in E6 and E7 transcription themselves are incompletely understood. In this study, we defin...
Epidermal growth factor receptor (EGFR) levels are dramatically increased in human keratinocytes (HKc) immortalized with full-length human papillomavirus type 16 (HPV16) DNA (HKc/HPV16), but increases in EGFR levels actually precede immortalization. In some normal HKc strains, acute expression of HPV16 E6 (but not HPV16 E5, HPV16 E7, or HPV6 E6) from LXSN retroviral vectors produced an increase...
Human papillomavirus (HPV) is the primary cause of human cervical cancer. The viral proteins E6 and E7 are essential to transform noncancerous epithelial cells into cancerous carcinomas by targeting key tumor suppressors p53 and retinoblastoma (Rb) proteins, respectively, but the cellular factors involved in E6 and E7 transcription themselves are incompletely understood. In this study, we defin...
Among high-risk human papillomaviruses (HPV), HPV-16 infection is the most prevalent causative factor for cervical cancer. Beside other mucosal targets, HPV-16 was reported to infect the placenta and to replicate in trophoblastic cells. Since these cells share invasive properties of tumoral cells, they represent an ideal model to investigate several oncogenic processes. In the present work, we ...
The development of genomic instability is a hallmark of high-risk human papillomavirus (HPV) associated cervical carcinogenesis. We have previously shown that the HPV-16 E7 oncoprotein rapidly subverts mitotic fidelity by inducing abnormal centrosome numbers and multipolar mitotic spindles. Here we report that expression of HPV-16 E6 and E7 independently results in various mitotic abnormalities...
Persistent HPV infection is recognized as the main etiologic factor for cervical cancer. HPV expresses the oncoproteins E6 and E7, both of which play key roles in maintaining viral infection and promoting carcinogenesis. While siRNA-mediated targeting of E6 and E7 transcripts temporarily induces apoptosis in HPV-positive cells, it does not eliminate viral DNA within the host genome, which can h...
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