The glutamate dehydrogenase pathway and its roles in cell and tissue biology in health and disease

A Plaitakis, E Kalef-Ezra, D Kotzamani, I Zaganas… - Biology, 2017 - mdpi.com
Glutamate dehydrogenase (GDH) is a hexameric enzyme that catalyzes the reversible
conversion of glutamate to α-ketoglutarate and ammonia while reducing NAD (P)+ to NAD …

Evolutionary Changes in Primate Glutamate Dehydrogenases 1 and 2 Influence the Protein Regulation by Ligands, Targeting and Posttranslational Modifications

YA Aleshina, VA Aleshin - International Journal of Molecular Sciences, 2024 - mdpi.com
There are two paralogs of glutamate dehydrogenase (GDH) in humans encoded by the
GLUD1 and GLUD2 genes as a result of a recent retroposition during the evolution of …

Human GLUD2 glutamate dehydrogenase is expressed in neural and testicular supporting cells

C Spanaki, I Zaganas, KA Kleopa, A Plaitakis - Journal of Biological …, 2010 - ASBMB
Mammalian glutamate dehydrogenase (GDH) is an allosterically regulated enzyme that is
expressed widely. Its activity is potently inhibited by GTP and thought to be controlled by the …

The human GLUD2 glutamate dehydrogenase and its regulation in health and disease

A Plaitakis, H Latsoudis, C Spanaki - Neurochemistry international, 2011 - Elsevier
Whereas glutamate dehydrogenase in most mammals (hGDH1 in the human) is encoded by
a single functional GLUD1 gene expressed widely, humans and other primates have …

Expression of human GLUD2 glutamate dehydrogenase in human tissues: functional implications

I Zaganas, C Spanaki, A Plaitakis - Neurochemistry international, 2012 - Elsevier
Glutamate dehydrogenase (GDH), a mitochondrial enzyme with a key metabolic role, exists
in the human in hGDH1 and hGDH2 isoforms encoded by the GLUD1 and GLUD2 genes …

Deregulation of glutamate dehydrogenase in human neurologic disorders

A Plaitakis, I Zaganas, C Spanaki - Journal of neuroscience …, 2013 - Wiley Online Library
Mammalian glutamate dehydrogenase is an allosterically regulated enzyme that is central to
glutamate metabolism. It contributes to important cellular processes, including Krebs cycle …

Evolution of Glutamate Metabolism via GLUD2 Enhances Lactate-Dependent Synaptic Plasticity and Complex Cognition

A Plaitakis, K Sidiropoulou, D Kotzamani, I Litso… - International Journal of …, 2024 - mdpi.com
Human evolution is characterized by rapid brain enlargement and the emergence of unique
cognitive abilities. Besides its distinctive cytoarchitectural organization and extensive inter …

Estrogen modification of human glutamate dehydrogenases is linked to enzyme activation state

N Borompokas, MM Papachatzaki… - Journal of Biological …, 2010 - ASBMB
Mammalian glutamate dehydrogenase (GDH) is a housekeeping enzyme central to the
metabolism of glutamate. Its activity is potently inhibited by GTP (IC 50= 0.1–0.3 μm) and …

The odyssey of a young gene: structure–function studies in human glutamate dehydrogenases reveal evolutionary-acquired complex allosteric regulation …

IV Zaganas, K Kanavouras, N Borompokas… - Neurochemical …, 2014 - Springer
Mammalian glutamate dehydrogenase (GDH) catalyzes the reversible inter-conversion of
glutamate to α-ketoglutarate and ammonia, interconnecting carbon skeleton and nitrogen …

Dissecting the antenna in human glutamate dehydrogenase: understanding its role in subunit communication and allosteric regulation

ZA Hoffpauir, E Sherman, TJ Smith - Biochemistry, 2019 - ACS Publications
Glutamate dehydrogenase (GDH) is a homohexameric enzyme that catalyzes the reversible
oxidative deamination of l-glutamate. While GDH is found in all living organisms, only that …