Sexual dimorphism of COVID-19 inspires drug repositioning and host-targeting immunotherapy for viral pneumonia - Signal Transduction and Targeted Therapy
perigon
Last updated: April 22, 2026
This study investigates the correlation between serum testosterone levels and COVID-19 outcomes in both male and female hamsters. Hamsters were intranasally inoculated with a SARS-CoV-2 strain to establish a model for studying the disease. The research aims to understand how testosterone influences the severity and progression of the viral infection.
- Researchers inoculated 8-week-old male and female hamsters intranasally with a SARS-CoV-2 strain.
- The study observed a significant association between serum testosterone concentration and the disease outcome in both sexes.
- Higher testosterone levels in male hamsters were linked to more severe COVID-19 symptoms and worse disease progression.
- Conversely, female hamsters with naturally lower testosterone levels exhibited a different response pattern to the infection.
- The findings suggest that testosterone plays a modulating role in the host's immune response to SARS-CoV-2 infection.
- This research contributes to understanding sex-based differences in COVID-19 severity and may inform potential therapeutic strategies.
- The study utilized a hamster model to provide controlled experimental conditions for observing the effects of testosterone.
