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Viruses 2019, 11(2), 141; https://doi.org/10.3390/v11020141

Metabolic Reprogramming of the Host Cell by Human Adenovirus Infection

1
Department of Microbiology and Immunology, Western University, London, ON N6A 3K7, Canada
2
Department of Otolaryngology, Head & Neck Surgery, Western University, London, ON N6A 3K7, Canada
3
Department of Oncology, Western University, London, ON N6A 3K7, Canada
4
London Regional Cancer Program, Lawson Health Research Institute, London, ON N6C 2R5, Canada
*
Author to whom correspondence should be addressed.
Received: 11 January 2019 / Revised: 2 February 2019 / Accepted: 3 February 2019 / Published: 8 February 2019
(This article belongs to the Special Issue Viruses and Cellular Metabolism)
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Abstract

Viruses are obligate intracellular parasites that alter many cellular processes to create an environment optimal for viral replication. Reprogramming of cellular metabolism is an important, yet underappreciated feature of many viral infections, as this ensures that the energy and substrates required for viral replication are available in abundance. Human adenovirus (HAdV), which is the focus of this review, is a small DNA tumor virus that reprograms cellular metabolism in a variety of ways. It is well known that HAdV infection increases glucose uptake and fermentation to lactate in a manner resembling the Warburg effect observed in many cancer cells. However, HAdV infection induces many other metabolic changes. In this review, we integrate the findings from a variety of proteomic and transcriptomic studies to understand the subtleties of metabolite and metabolic pathway control during HAdV infection. We review how the E4ORF1 protein of HAdV enacts some of these changes and summarize evidence for reprogramming of cellular metabolism by the viral E1A protein. Therapies targeting altered metabolism are emerging as cancer treatments, and similar targeting of aberrant components of virally reprogrammed metabolism could have clinical antiviral applications. View Full-Text
Keywords: human adenovirus; E1A; E4ORF1; metabolism; glycolysis; glutaminolysis; Warburg effect; MYC; HAdV5; HAdV36 human adenovirus; E1A; E4ORF1; metabolism; glycolysis; glutaminolysis; Warburg effect; MYC; HAdV5; HAdV36
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Prusinkiewicz, M.A.; Mymryk, J.S. Metabolic Reprogramming of the Host Cell by Human Adenovirus Infection. Viruses 2019, 11, 141.

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