Results 1 to 10 of about 84,067 (246)

Elevated levels of plasma phenylalanine in schizophrenia: a guanosine triphosphate cyclohydrolase-1 metabolic pathway abnormality? [PDF]

open access: goldPLoS ONE, 2014
BACKGROUND: Phenylalanine and tyrosine are precursor amino acids required for the synthesis of dopamine, the main neurotransmitter implicated in the neurobiology of schizophrenia.
Olaoluwa Okusaga   +15 more
doaj   +4 more sources

A Small Guanosine Triphosphate Binding Protein PagRabE1b Promotes Xylem Development in Poplar [PDF]

open access: yesFrontiers in Plant Science, 2021
Rab GTPases are the subfamily of the small guanosine triphosphate (GTP)-binding proteins which participated in the regulation of various biological processes. Recent studies have found that plant Rabs play some specific functions.
Ying-Li Liu   +8 more
doaj   +2 more sources

Rap1 Guanosine Triphosphate Hydrolase (GTPase) Regulates Shear Stress-Mediated Adhesion of Mesenchymal Stromal Cells [PDF]

open access: yesBiology
Intravenously transplanted mesenchymal stromal cells (MSCs) have been shown to interact with endothelial cells and to migrate to tissues. However, intracellular signals regulating MSC migration are still incompletely understood.
Melanie Giesen   +4 more
doaj   +2 more sources

Ginsenoside Re inhibits pacemaker potentials via adenosine triphosphate-sensitive potassium channels and the cyclic guanosine monophosphate/nitric oxide-dependent pathway in cultured interstitial cells of Cajal from mouse small intestine

open access: goldJournal of Ginseng Research, 2015
Background: Ginseng belongs to the genus Panax. Its main active ingredients are the ginsenosides. Interstitial cells of Cajal (ICCs) are the pacemaker cells of the gastrointestinal (GI) tract.
Noo Ri Hong   +5 more
doaj   +2 more sources

In-silico investigation reveals microbial metabolic biomarkers and their regulatory roles in hormone sensitive cancers [PDF]

open access: yesJournal of Genetic Engineering and Biotechnology
Cancer burden has become a global concern, specifically with hormone-sensitive cancers (HSC). Among the various factors influencing the progress and treatment of cancers, the human microbiota plays a vital role.
Suvitha Anbarasu   +3 more
doaj   +2 more sources

Pyruvate kinase directly generates GTP in glycolysis, supporting growth and contributing to guanosine toxicity [PDF]

open access: yesmBio
Guanosine triphosphate (GTP) is essential for macromolecular biosynthesis, and its intracellular levels are tightly regulated in bacteria. Loss of the alarmone (p)ppGpp disrupts GTP regulation in Bacillus subtilis, causing cell death in the presence of ...
Fukang She   +9 more
doaj   +2 more sources

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