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Quantification of Coenzyme A in Cells and Tissues
Published on: September 27, 2019
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Coenzyme A, more than 'just' a metabolic cofactor
Balaji Srinivasan1, Ody C M Sibon1
1*Department of Cell Biology, University Medical Center Groningen, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands.
Biochemical Society Transactions
|August 12, 2014
Summary
Discover the emerging concept of
Area of Science:
- Biochemistry
- Molecular Biology
- Metabolomics
Background:
- Metabolites are crucial for cellular metabolism, and disruptions in homeostasis lead to diseases.
- Emerging evidence suggests metabolites possess multiple functions beyond metabolism, akin to 'moonlighting proteins'.
- Nicotinamide adenine dinucleotide (NAD) and coenzyme A (CoA) are key examples of such multifunctional metabolites.
Purpose of the Study:
- To explore the concept of 'moonlighting metabolites'.
- To highlight the diverse roles of NAD and CoA beyond their established metabolic functions.
- To underscore the implications of these dual roles in cellular function and disease.
Main Methods:
- Literature review of recent studies on metabolite functions.
- Analysis of the known roles of NAD and CoA in metabolism and other cellular processes.
- Synthesis of findings to support the 'moonlighting metabolite' hypothesis.
Main Results:
- NAD, a well-known metabolic cofactor, also regulates sirtuins, which are implicated in aging and diseases like cancer and neurodegeneration.
- Sirtuin activity is dependent on NAD levels, directly linking it to age-related pathologies.
- Coenzyme A (CoA) also exhibits functions beyond its metabolic role, with altered levels causing complex physiological effects.
Conclusions:
- Metabolites like NAD and CoA are not solely metabolic cofactors but possess diverse molecular functions.
- The 'moonlighting metabolite' concept expands our understanding of cellular regulation and disease.
- Further research into these multifaceted roles is essential for therapeutic development.
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