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 …

Leucine metabolism in regulation of insulin secretion from pancreatic beta cells

J Yang, Y Chi, BR Burkhardt, Y Guan… - Nutrition reviews, 2010 - academic.oup.com
Leucine, a branched-chain amino acid that must be supplied in the daily diet, plays an
important role in controlling protein synthesis and regulating cell metabolism in various cell …

[HTML][HTML] The PLAG1-GDH1 axis promotes anoikis resistance and tumor metastasis through CamKK2-AMPK signaling in LKB1-deficient lung cancer

L **, J Chun, C Pan, A Kumar, G Zhang, Y Ha, D Li… - Molecular cell, 2018 - cell.com
Loss of LKB1 is associated with increased metastasis and poor prognosis in lung cancer,
but the development of targeted agents is in its infancy. Here we report that a glutaminolytic …

Glutamate dehydrogenase 1 signals through antioxidant glutathione peroxidase 1 to regulate redox homeostasis and tumor growth

L **, D Li, GN Alesi, J Fan, HB Kang, Z Lu, TJ Boggon… - Cancer cell, 2015 - cell.com
How mitochondrial glutaminolysis contributes to redox homeostasis in cancer cells remains
unclear. Here we report that the mitochondrial enzyme glutamate dehydrogenase 1 (GDH1) …

[HTML][HTML] EGFR-phosphorylated GDH1 harmonizes with RSK2 to drive CREB activation and tumor metastasis in EGFR-activated lung cancer

JH Kang, J Chun, JS Hwang, C Pan, J Li, AC Boese… - Cell reports, 2022 - cell.com
The cancer metastasis process involves dysregulated oncogenic kinase signaling, but how
this orchestrates metabolic networks and signal cascades to promote metastasis is largely …

How glutamate is managed by the blood–brain barrier

RA Hawkins, JR Viña - Biology, 2016 - mdpi.com
A facilitative transport system exists on the blood–brain barrier (BBB) that has been tacitly
assumed to be a path for glutamate entry to the brain. However, glutamate is a non-essential …

The role of glutamate dehydrogenase in mammalian ammonia metabolism

C Spanaki, A Plaitakis - Neurotoxicity research, 2012 - Springer
Glutamate dehydrogenase (GDH) catalyzes the reversible inter-conversion of glutamate to α-
ketoglutarate and ammonia. High levels of GDH activity is found in mammalian liver, kidney …

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 …

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 …

Molecular basis of human glutamate dehydrogenase regulation under changing energy demands

V Mastorodemos, I Zaganas, C Spanaki… - Journal of …, 2005 - Wiley Online Library
Glutamate dehydrogenase (GDH), an enzyme central to glutamate metabolism, is located in
the mitochondria although there is evidence for extramitochondrial localization of GDH. In …