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Vitamin D and COVID-19: Role of ACE2, age, gender, and ethnicity
Bruk Getachew1, Yousef Tizabi1
1Department of Pharmacology, College of Medicine, Howard University, Washington DC, USA.
Insights
Vitamin D deficiency increases COVID-19 severity, especially in older men and ethnic minorities. This deficiency impacts the renin-angiotensin system (RAS) and ACE2, a key SARS-CoV-2 entry receptor, worsening respiratory outcomes.
Area of Science:
- Immunology
- Nutritional Science
- Epidemiology
Background:
- Coronavirus disease 2019 (COVID-19) disproportionately affects older individuals, men, ethnic minorities, and those with comorbidities.
- Vitamin D deficiency is prevalent in at-risk populations and linked to increased susceptibility to COVID-19 and its associated diseases.
- Vitamin D deficiency may exacerbate COVID-19 by affecting the pulmonary renin-angiotensin system (RAS) and angiotensin-converting enzyme 2 (ACE2).
Purpose of the Study:
- To review the influence of age, gender, and ethnicity on the vitamin D-ACE2 interaction.
- To explore how these factors contribute to COVID-19 susceptibility and severity.
Main Methods:
- Literature review focusing on the interplay between vitamin D, ACE2, and COVID-19.
- Analysis of existing data on demographic disparities in COVID-19 outcomes.
- Examination of the biological mechanisms linking vitamin D status to RAS and ACE2 function.
Main Results:
- Vitamin D deficiency is associated with increased COVID-19 risk and severity, particularly in vulnerable groups.
- The vitamin D-ACE2 interaction is influenced by age, gender, and ethnicity.
- Deficiency can lead to over-activation of RAS, potentially worsening COVID-19 respiratory symptoms.
Conclusions:
- Vitamin D status is a critical factor influencing COVID-19 outcomes, especially in specific demographic groups.
- Targeting vitamin D levels may be a strategy to mitigate COVID-19 severity.
- Further research is needed to elucidate the complex interactions between vitamin D, ACE2, and demographic factors in COVID-19 pathogenesis.
Abstract:
Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus, disproportionally targets older people, particularly men, ethnic minorities, and individuals with underlying diseases such as compromised immune system, cardiovascular disease, and diabetes. The discrepancy in COVID-19 incidence and severity is multifaceted and likely involves biological, social, as well as nutritional status. Vitamin D deficiency, notably common in Black and Brown people and elderly, is associated with an increased susceptibility to many of the diseases comorbid with COVID-19. Vitamin D deficiency can cause over-activation of the pulmonary renin-angiotensin system (RAS) leading to the respiratory syndrome. RAS is regulated in part at least by angiotensin-converting enzyme 2 (ACE2), which also acts as a primary receptor for SARS-CoV-2 entry into the cells. Hence, vitamin D deficiency can exacerbate COVID-19, via its effects on ACE2. In this review we focus on influence of age, gender, and ethnicity on vitamin D-ACE2 interaction and susceptibility to COVID-19.
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