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Viruses, Vol. 14, Pages 1150: The Process of Filopodia Induction during HPV Infection
In this study, we demonstrate that after HPV16 comes into contact with a plasma membrane receptor, there are cytoskeletal changes resulting in an increase of filopodia numbers. This increase in filopodia numbers was transient and was maintained during the first two hours after virus addition. Our data show that there is a statistically significant increase in infection when filopodia numbers are increased by the addition of drug and virus simultaneously, and a decrease in virus infection when filopodia formation is inhibited. We describe that HPV16 binding results in the activation of Cdc42 GTPase that in turn results in a...
Source: Viruses - May 26, 2022 Category: Virology Authors: Alyssa Biondo Patricio I. Meneses Tags: Article Source Type: research

Viruses, Vol. 7, Pages 5243-5256: HPV16 E6 Controls the Gap Junction Protein Cx43 in Cervical Tumour Cells
Human papillomavirus type 16 (HPV16) causes a range of cancers including cervical and head and neck cancers. HPV E6 oncoprotein binds the cell polarity regulator hDlg (human homologue of Drosophila Discs Large). Previously we showed in vitro, and now in vivo, that hDlg also binds Connexin 43 (Cx43), a major component of gap junctions that mediate intercellular transfer of small molecules. In HPV16-positive non-tumour cervical epithelial cells (W12G) Cx43 localised to the plasma membrane, while in W12T tumour cells derived from these, it relocated with hDlg into the cytoplasm. We now provide evidence that E6 regulates this ...
Source: Viruses - October 5, 2015 Category: Virology Authors: Peng SunLi DongAlasdair MacDonaldShahrzad AkbariMichael EdwardMalcolm HodginsScott JohnstoneSheila Graham Tags: Article Source Type: research