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Androgens' Role in Severity and Mortality Rates of COVID-19
Ali Ataei1, Mohammad Moein Derakhshan2, Mohadese Razmjooie3
1School of Medicine, Bam University of Medical Sciences, Bam, Iran.
Insights
Androgens, like testosterone, may increase COVID-19 severity and mortality in men by enhancing viral entry and inflammation. Androgen-blocking therapies showed potential benefits, warranting further research.
Area of Science:
- Endocrinology
- Virology
- Public Health
Background:
- COVID-19 exhibited sex-discrepant outcomes, with higher infection and mortality rates in males.
- Androgen-mediated mechanisms are hypothesized to explain these observed sex differences.
Approach:
- This review assesses the role of androgens in COVID-19 severity and mortality.
- It examines the influence of androgens on viral entry factors like TMPRSS2 and ACE2.
- Observational data on androgenic alopecia and COVID-19 outcomes are considered.
Key Points:
- Androgens upregulate TMPRSS2 and ACE2, facilitating SARS-CoV-2 entry, with higher expression in young males.
- Androgenic alopecia patients showed higher COVID-19 prevalence and mortality.
- Aged males (>60) experienced higher COVID-19 mortality due to hypogonadism-induced inflammation (cytokine storm).
Conclusions:
- Anti-androgen and TMPRSS2 inhibitor drugs potentially mitigated COVID-19 symptoms.
- Androgen deprivation therapy improved COVID-19 outcomes in prostate cancer patients.
- Androgens play a significant role in COVID-19 severity and mortality, requiring diverse population studies for definitive understanding.
Abstract:
By the end of December 2019 new corona virus began to spread from Wuhan, China and caused a worldwide pandemic. COVID-19 deaths and prevalence represented sex discrepant patterns with higher rate of deaths and infection in males than females which could be justified by androgen-mediated mechanisms. This review aimed to assess the role of androgens in COVID-19 severity and mortality. Androgens increase expressions of Type II transmembrane Serine Protease (TMPRSS2) and Angiotensin Converting Enzyme 2 (ACE2), which both facilitate new corona virus entry into host cell and their expression is higher in young males than females. According to observational studies, prevalence of COVID-19 infections and deaths was more in androgenic alopecic patients than patients without androgenic alopecia. The COVID-19 mortality rates in aged men (>60 years) were substantially higher than aged females and even young males caused by high inflammatory activities such as cytokine storm due to hypogonadism in this population. Use of anti-androgen and TMPRSS2 inhibitor drugs considerably modified COVID-19 symptoms. Androgen deprivation therapy also improved COVID-19 symptoms in prostate cancer: overall the role of androgens in severity of COVID-19 and its associated mortality seemed to be very important. So, more studies in variety of populations are required to define the absolute role of androgens.
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