Department of Biochemistry,
School of Medicine,
Department of Biochemistry, School of Medicine
Roberta Leonardi is an Associate Professor in the Department of Biochemistry in the School of Medicine at West Virginia University. She received her BS/MS in Chemistry from Catania University, Italy, and a PhD in Biochemistry from Southampton University, UK. She then trained as a postdoctoral fellow at St. Jude Children’s Research Hospital, Memphis, TN.
Dr. Leonardi's laboratory is interested in the mechanisms that regulate coenzyme A (CoA) levels, an essential cofactor that functions as the major acyl group carrier in the cell. CoA and the derived acyl-CoAs are substrates for hundreds of metabolic reactions and for the post-translational modification (acylation) of histones and thousands of other proteins. This allows CoA and its thioesters to regulate metabolic pathways through multiple mechanisms, including substrate availability, modulation of the activity of metabolic enzymes, and gene expression. Dr. Leonardi has extensive experience in the characterization of the biochemical, structural, regulatory properties and in vivo function of enzymes involved in the regulation of this cofactor. Her laboratory employs a combination of biochemical, genetic and targeted metabolomics approaches to characterize the role of the CoA-degrading enzymes in the dynamic regulation of subcellular (acyl-)CoA pools and (acyl-)CoA-dependent pathways in a variety of organs, including liver, kidneys, skeletal muscle, and brown adipose tissue.
Deregulated coenzyme A, loss of metabolic flexibility and diabetes.
Biochemical Society transactions Aug, 2014 | Pubmed ID: 25110012
Induction of Neuron-Specific Degradation of Coenzyme A Models Pantothenate Kinase-Associated Neurodegeneration by Reducing Motor Coordination in Mice.
PloS one , 2015 | Pubmed ID: 26052948
Excess coenzyme A reduces skeletal muscle performance and strength in mice overexpressing human PANK2.
Molecular genetics and metabolism 04, 2017 | Pubmed ID: 28189602
Nudt19 is a renal CoA diphosphohydrolase with biochemical and regulatory properties that are distinct from the hepatic Nudt7 isoform.
The Journal of biological chemistry 03, 2018 | Pubmed ID: 29378847
Overexpression of Nudt7 decreases bile acid levels and peroxisomal fatty acid oxidation in the liver.
Journal of lipid research 05, 2019 | Pubmed ID: 30846528
Nudt8 is a novel CoA diphosphohydrolase that resides in the mitochondria.
FEBS letters 06, 2019 | Pubmed ID: 31004344
Regulation of coenzyme A levels by degradation: the 'Ins and Outs'.
Progress in lipid research 04, 2020 | Pubmed ID: 32234503
Hypoxic preconditioning protects against ischemic kidney injury through the IDO1/kynurenine pathway.
Cell reports Aug, 2021 | Pubmed ID: 34407414
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