BACKGROUND This study aimed to analyze the changes in plasmacytoid dendritic cell (pDC) immunophenotypes when co-cultured with Caski cells and stimulated by human papillomavirus (HPV) E6 in vitro, and thus to discuss the immunoregulatory roles of pDCs in the tumorigenesis of cervical cancer. MATERIAL AND METHODS The immunophenotypic expression of pDCs was analyzed under stimulation of HPV E6 and co-culturing with Caski cells in vitro. RESULTS HPV E6 infection caused significantly increased expression of CD40 in HPV16 M and HPV16 H groups MyD88 in HPV16 M,HPV16 H, and HPV18L groups; and TRAF6 in HPV16 M, HPV16 H, and HPV18L groups. pDCs co-cultured with Caski cells showed significantly lower expression of MyD88 and TRAF6 compared with the control. CONCLUSIONS The expression of MyD88 and TRAF6 might vary in different stages of HPV infection. pDCs might regulate CD40 to participate in the tumorigenesis and progression of cervical cancer, but related mechanisms still need further investigation.
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http://dx.doi.org/10.12659/MSM.919770 | DOI Listing |
Front Pharmacol
December 2024
Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
Background: Cisplatin-based chemotherapy as a common therapeutic regimen for cervical cancer patients, is becoming more and more ineffective due to high resistance. This urges the need for introducing novel metabolics such as botanical drugs with the capacity to increase the cisplatin effectiveness. In that regard, here we investigated the anticancer effects of the Cisplatin- combination in cervical cancer cell lines.
View Article and Find Full Text PDFNat Prod Res
December 2024
Department of Microbiology & Clinical Parasitology, College of Medicine, King Khalid University, Abha, Saudi Arabia.
Cervical cancer is predominantly associated with Human Papillomavirus (HPV) infection HPV16-E6This interdisciplinary investigation investigates the effects of amentoflavone, a bioflavonoid on HPV16-E6, unravelling its impact on the protein's structural dynamics to explore its potential as a therapeutic agent for cervical cancer. MD simulations demonstrated stable binding dynamics between amentoflavone and HPV16-E6. RMSD analysis revealed alterations in the E6 protein structure, and Gibbs binding free energy calculations indicated an energetically favourable interaction.
View Article and Find Full Text PDFComput Biol Chem
December 2024
School of Biotechnology, Kalinga Institute of Industrial Technology (KIIT), Deemed to be University, Bhubaneswar, Odisha 751024, India. Electronic address:
Cervical cancer is one of the most prevalent female reproductive cancers. miR-21 is a multi-target oncomiR that has shown its potential in regulating several cancers including colon, pancreatic, breast, prostate, ovarian, and cervical cancer. However, the signaling network of miR-21 remains underexplored, and only a limited number of miR-21 gene targets in cervical cancer have been reported.
View Article and Find Full Text PDFMol Ther Oncol
December 2024
Antibody Engineering Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA.
The E6 and E7 oncoproteins of human papillomavirus (HPV) are considered promising targets for HPV-related cancers. In this study, we evaluated novel T cell receptor mimic (TCRm) nanobodies targeting the E6 peptide complexed with human leukocyte antigen (HLA)-A∗02:01 in the chimeric antigen receptor (CAR) format. We isolated two dromedary camel nanobodies, F5 and G9, through phage display screening.
View Article and Find Full Text PDFCancers (Basel)
November 2024
Department of Obstetrics and Gynecology, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China.
: Cervical cancer is the fourth most common cancer among women worldwide. The zinc finger transcription factor 281 (ZNF281)/ZBP-99 protein specifically binds to GC-rich DNA sequences and regulates gene expression, and it has been shown to promote tumor progression. In this study, we aim to investigate the function and molecular mechanism of ZNF281 in uterine cervical carcinoma.
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