ArticlePathogens and disease2023
Murine herpesvirus-68-related growth factors treatment correlates with decrease of p53 and HIF-1α protein levels.
Article in Pathogens and disease, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors at 3 institutions in 1 country.
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Abstract
Murine herpesvirus 68 (MHV-68) belongs to the subfamily Gammaherpesvirinae of the family Herpesviridae. This exceptional murine herpesvirus is an excellent model for the study of human gammaherpesvirus infections. Cells infected with MHV-68 under nonpermissive conditions for viral replication produce substances designated as MHV-68 growth factors (MHGF-68), that can cause transformation of the cells, or on the other side, turn transformed cells into normal. It was already proposed, that the MHGF-68 fractions cause transformation, disruption of the cytoskeleton and slower growth of the tumors in nude mice. Here, we examined newly extracted fractions of MHGF-68 designated as F5 and F8. Both fractions proved to inhibit the growth of the spheroids and also tumours induced in nude mice. What more, the fractions caused the decrease of the protein levels of wt p53 and HIF-1α. Decreased levels of p53 and HIF-1α activity leads to decreased vascularization, slower tumour growth, and lower adaptation to hypoxic conditions. This would propose MHGF-68 fractions, or their human herpesvirus equivalents, as a potential anticancer drugs in combined chemotherapy.
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