The antiviral potential of the antiandrogen enzalutamide and the viral-androgen interplay in seasonal coronaviruses

Author:

Ogunjinmi Oluwadamilola D,Abdullahi Tukur,Somji Riaz-Ali,Bevan Charlotte LORCID,Barclay Wendy SORCID,Temperton NigelORCID,Brooke Greg NORCID,Giotis Efstathios SORCID

Abstract

AbstractThe sex disparity in COVID-19 outcomes with males generally faring worse than females has been associated with the androgen-regulated expression of the protease TMPRSS2 and the cell receptor ACE2 in the lung and fueled interest in antiandrogens as potential antivirals. In this study, we explored enzalutamide, an antiandrogen used commonly against prostate cancer, as a potential antiviral against the human coronaviruses which cause seasonal respiratory infections (HCoV-NL63, -229E, and -OC43). Using lentivirus-pseudotyped and authentic HCoV, we report that enzalutamide reduced 229E and NL63 entry and replication in both TMPRSS2- and non-expressing immortalised cells, suggesting a TMPRSS2-independent mechanism. However, no effect was observed against OC43. To decipher this distinction, we performed RNA-sequencing analysis on 229E-and OC43- infected primary human airway cells. Our results show a significant induction of androgen-responsive genes by 229E compared to OC43 at 24 and 72h post-infection. The virus-mediated effect to AR signaling was further confirmed with a consensus androgen response element (ARE)-driven luciferase assay in androgen-depleted MRC-5 cells. Specifically, 229E induced luciferase reporter activity in the presence and absence of the synthetic androgen mibolerone, while OC43 inhibited induction. These findings highlight a complex interplay between viral infections and androgen signaling, offering insights for potential antiviral interventions.

Publisher

Cold Spring Harbor Laboratory

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