COVID-19 : A methyl-group assault?
Copyright © 2021 The Author(s). Published by Elsevier Ltd.. All rights reserved..
The socio-economic implications of COVID-19 are devastating. Considerable morbidity is attributed to 'long-COVID' - an increasingly recognized complication of infection. Its diverse symptoms are reminiscent of vitamin B12 deficiency, a condition in which methylation status is compromised. We suggest why SARS-CoV-2 infection likely leads to increased methyl-group requirements and other disturbances of one-carbon metabolism. We propose these might explain the varied symptoms of long-COVID. Our suggested mechanismmight also apply to similar conditions such as myalgic encephalomyelitis/chronic fatigue syndrome. The hypothesis is evaluable by detailed determination of vitamin B12and folate status, including serum formate as well as homocysteine and methylmalonic acid, and correlation with viral and host RNA methylation and symptomatology. If confirmed, methyl-group support should prove beneficial in such individuals.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:149 |
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| Enthalten in: |
Medical hypotheses - 149(2021) vom: 15. Apr., Seite 110543 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
McCaddon, Andrew [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 15.04.2021 Date Revised 21.12.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.mehy.2021.110543 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a The socio-economic implications of COVID-19 are devastating. Considerable morbidity is attributed to 'long-COVID' - an increasingly recognized complication of infection. Its diverse symptoms are reminiscent of vitamin B12 deficiency, a condition in which methylation status is compromised. We suggest why SARS-CoV-2 infection likely leads to increased methyl-group requirements and other disturbances of one-carbon metabolism. We propose these might explain the varied symptoms of long-COVID. Our suggested mechanismmight also apply to similar conditions such as myalgic encephalomyelitis/chronic fatigue syndrome. The hypothesis is evaluable by detailed determination of vitamin B12and folate status, including serum formate as well as homocysteine and methylmalonic acid, and correlation with viral and host RNA methylation and symptomatology. If confirmed, methyl-group support should prove beneficial in such individuals | ||
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