The glyoxalase system—new insights into an ancient metabolism.
Antioxidants 9:939 (2020)
The glyoxalase system was discovered over a hundred years ago and since then it has been claimed to provide the role of an indispensable enzyme system in order to protect cells from a toxic byproduct of glycolysis. This review gives a broad overview of what has been postulated in the last 30 years of glyoxalase research, but within this context it also challenges the concept that the glyoxalase system is an exclusive tool of detoxification and that its substrate, methylglyoxal, is solely a detrimental burden for every living cell due to its toxicity. An overview of consequences of a complete loss of the glyoxalase system in various model organisms is presented with an emphasis on the role of alternative detoxification pathways of methylglyoxal. Furthermore, this review focuses on the overlooked posttranslational modification of Glyoxalase 1 and its possible implications for cellular maintenance under various (patho-)physiological conditions. As a final note, an intriguing point of view for the substrate methylglyoxal is offered, the concept of methylglyoxal (MG)-mediated hormesis.
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Publication type
Article: Journal article
Document type
Review
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Keywords
Glyoxalase 1 ; Methylglyoxal ; Glycation; Advanced Glycation Endproducts; Aldose Reductase; Proteomic Analysis; End-products; Methylglyoxal; Cells; Hormesis; Proteins; Phosphorylation; Overexpression
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Language
english
Publication Year
2020
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2020
ISSN (print) / ISBN
2076-3921
e-ISSN
2076-3921
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Volume: 9,
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Article Number: 939
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MDPI
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St Alban-anlage 66, Ch-4052 Basel, Switzerland
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Reviewing status
Peer reviewed
POF-Topic(s)
90000 - German Center for Diabetes Research
Research field(s)
Helmholtz Diabetes Center
PSP Element(s)
G-501900-251
Grants
Deutsche Zentrum fur Diabetesforschung (DZD)
Deutsche Forschungsgemeinschaft (DFG)
Copyright
Erfassungsdatum
2020-11-11