Ketogenic diet (KD) alleviates refractory epilepsy and reduces seizures in children. However, the metabolic/cell biologic mechanisms by which the KD exerts its antiepileptic efficacy remain elusive.
Ya-Nan Qiao +14 more
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Covalently bound substrate at the regulatory site triggers allosteric enzyme activation [PDF]
The mechanism by which the enzyme pyruvate decarboxylase from yeast is activated allosterically has been elucidated. A total of seven three-dimensional structures of the enzyme, of enzyme variants or of enzyme complexes form two yeast species (three of ...
Georg Wille +5 more
core +1 more source
Branched chain aldehydes: production and breakdown pathways and relevance for flavour in foods [PDF]
Branched aldehydes, such as 2-methyl propanal and 2- and 3-methyl butanal, are important flavour compounds in many food products, both fermented and non-fermented (heat-treated) products. The production and degradation of these aldehydes from amino acids
Engels, W.J.M., Smit, B.A., Smit, G.
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ZZE-Configuration of chromophore ß-153 in C-phycocyanin from Mastigocladus laminosus [PDF]
The photochemistry of C-phycocyanin has been studied after denaturation in the dark. It shows an irreversible reaction which has characteristics of a Ζ,Ζ,Ε- to Z,Z,Z-isomerization of dihydrobilins. Its amplitude depends on the reaction conditions, with
Bode, W. +7 more
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Generation and characterization of a mouse line for monitoring translation in dopaminergic neurons [PDF]
We developed a mouse line targeting midbrain dopamine neurons for Translating Ribosome Affinity Purification(TRAP). Here, we briefly report on the basic characterization of this mouse line including confirmation of expression of the transgene in midbrain
Dougherty, Joseph D
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Preclinical type 1 diabetes mellitus: a case from practice
At the preclinical stage diabetes mellitus can be diagnosed based on laboratory studies of blood glucose and detection of autoantibodies to insulin (IAA), islet cells (ICA), glutamate decarboxylase (GADA), tyrosine phosphatase (IA2A) and zinc transporter
Yu. G. Samoilova +4 more
doaj
Activating glutamate decarboxylase activity by removing the autoinhibitory domain leads to hyper γ-aminobutyric acid (GABA) accumulation in tomato fruit [PDF]
γ-Aminobutyric acid (GABA) is a ubiquitous non-protein amino acid with several health-promoting benefits. In many plants including tomato, GABA is synthesized via decarboxylation of glutamate in a reaction catalyzed by glutamate decarboxylase (GAD ...
Ariizumi Tohru +6 more
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The kynurenine pathway and the brain: challenges, controversies and promises [PDF]
Research on the neurobiology of the kynurenine pathway has suffered years of relative obscurity because tryptophan degradation, and its involvement in both physiology and major brain diseases, was viewed almost exclusively through the lens of the well ...
Schwarcz, Robert, Stone, Trevor W.
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IntroductionLevilactobacillus brevis CRL 2013, a plant-derived lactic acid bacterium (LAB) with immunomodulatory properties, has emerged as an efficient producer of γ-aminobutyric acid (GABA).
Pablo G. Cataldo +6 more
doaj +1 more source
The components required for amino acid neurotransmitter signaling are present in adipose tissues
The adipocyte does not only serve as fuel storage but produces and secretes compounds with modulating effects on food intake and energy homeostasis.
Anne Nicolaysen +4 more
doaj +1 more source

