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HPV-mediated regulation of SMAD4 modulates the DNA damage response in head and neck cancer
CONCLUSIONS: Our results give a clear molecular mechanism at the basis of HPV regulation of the DDR pathway. In particular, we show how HPV stabilizes SMAD4 to promote DDR protein expression, which may be used to facilitate viral replication and HNC onset. Moreover, we found that SMAD4 silencing in HPV-positive HNC cell lines increases sensitivity to cisplatin treatment, suggesting that HPV-positive HNC with low SMAD4 expression may be preferentially susceptible to similar treatments.PMID:35144669 | DOI:10.1186/s13046-022-02258-9
Source: Cell Research - February 11, 2022 Category: Cytology Authors: Simona Citro Claudia Miccolo Alessandro Medda Lavinia Ghiani Marta Tagliabue Mohssen Ansarin Susanna Chiocca Source Type: research