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Interferon-stimulated gene products as regulators of central carbon metabolism

Abstract:
In response to viral infections, the innate immune system rapidly activates expression of several interferon‐stimulated genes (ISGs), whose protein and metabolic products are believed to directly interfere with the viral life cycle. Here, we argue that biochemical reactions performed by two specific protein products of ISGs modulate central carbon metabolism to support a broad‐spectrum antiviral response. We demonstrate that the metabolites generated by metalloenzymes nitric oxide synthase and the radical S‐adenosylmethionine (SAM) enzyme RSAD2 inhibit the activity of the housekeeping and glycolytic enzyme glyceraldehyde 3‐phosphate dehydrogenase (GAPDH). We discuss that this inhibition is likely to stimulate a range of metabolic and signalling processes to support a broad‐spectrum immune response. Based on these analyses, we propose that inhibiting GAPDH in individuals with deteriorated cellular innate immune response like elderly might help in treating viral diseases such as COVID‐19.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1111/febs.15625

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MSD
Sub department:
BV PATHOLOGY DUNN SCHOOL; JR UNIVERSITY OFFICERS
Role:
Author
ORCID:
0000-0002-2506-1198
More by this author
Institution:
University of Oxford
Department:
CHEMISTRY
Sub department:
Chemistry
Oxford college:
Merton College
Role:
Author
ORCID:
0000-0003-4733-1205


Publisher:
Wiley
Journal:
FEBS Journal More from this journal
Volume:
288
Issue:
12
Pages:
3715-3726
Place of publication:
England
Publication date:
2020-12-01
Acceptance date:
2020-11-09
DOI:
EISSN:
1742-4658
ISSN:
1742-464X
Pmid:
33185982


Language:
English
Keywords:
Pubs id:
1146908
Local pid:
pubs:1146908
Deposit date:
2020-12-09

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