Results 1 to 10 of about 14,507 (223)

Tetrahydrobiopterin and inherited hyperphenylalaninemias

open access: yesThe Turkish Journal of Pediatrics, 1996
Tetrahydrobiopterin deficiency, a variant of hyperphenylalaninemia, may be caused by deficiency of one of the following enzymes: guanosine triphosphate cyclohydrolase 1,6-pyruvoyltetrahydropterin synthase, dihydropteridin reductase and pterin-4a ...
N Blau, B Thony, M Spada, A Ponzone
doaj   +2 more sources

Tetrahydrobiopterin Deficiency: From Phenotype to Genotype [PDF]

open access: yesPteridines, 1993
As a result of the selective screening worldwide during the last 18 years, approximately 250 patients with tetrahydrobiopterin deficiency were discovered.
Blau Nenad   +3 more
doaj   +2 more sources

Widespread occurrence of glyceryl ether monooxygenase activity in rat tissues detected by a novel assay

open access: yesJournal of Lipid Research, 2007
An assay was set up for glyceryl ether monooxygenase activity in tissue samples using the novel substrate 1-O-pyrenedecyl-sn-glycerol and high-performance liquid chromatographic analysis of reaction mixtures with fluorescence detection, allowing robust ...
Ernst R. Werner   +4 more
doaj   +1 more source

Expression of full-length human alkylglycerol monooxygenase and fragments in Escherichia coli

open access: yesPteridines, 2013
Alkylglycerol monooxygenase (AGMO; EC 1.14.16.5) is the only enzyme known to cleave the O-alkyl ether bond of alkylglycerols in humans. It is an integral membrane protein with nine predicted transmembrane domains.
Mayer Matthias   +5 more
doaj   +1 more source

The Emerging Physiological Role of AGMO 10 Years after Its Gene Identification

open access: yesLife, 2021
The gene encoding alkylglycerol monooxygenase (AGMO) was assigned 10 years ago. So far, AGMO is the only known enzyme capable of catalysing the breakdown of alkylglycerols and lyso-alkylglycerophospholipids. With the knowledge of the genetic information,
Sabrina Sailer   +3 more
doaj   +1 more source

Insulin Stimulates Tetrahydrobiopterin Synthesis in Mouse Brain Microvascular Endothelial Cells

open access: yesPteridines, 1999
We examined the effects of insulin on tetrahydrobiopterin (BH4) synthesis in mouse brain microvascular endothelial cells (MBMECs). Treatment of MBMECs with insulin increased the intracellular BH4 content in a time- and concentration-dependent manner. The
Ishi Masakazu   +4 more
doaj   +1 more source

Investigation of the Relationship Between Serum Tetrahydrobiopterin and Folic Acid Levels with Each Other and with Preeclampsia in the Second and Third Trimesters

open access: yesVan Tıp Dergisi
INTRODUCTION: Aim: This study investigates the relationship between serum tetrahydrobiopterin (BH4) and folic acid levels in pregnant women during the second and third trimesters and the development of preeclampsia.
Mücahit Ahmet Aranlı   +4 more
doaj   +1 more source

Treatments for Biomedical Abnormalities Associated with Autism Spectrum Disorder

open access: yesFrontiers in Pediatrics, 2014
Recent studies point to the effectiveness of novel treatments that address physiological abnormalities associated with autism spectrum disorder (ASD). This is significant because safe and effective treatments for ASD remain limited.
Richard Eugene Frye, Daniel eRossignol
doaj   +1 more source

Hydrogen Peroxide Stimulates the LPS-induced Tetrahydrobiopterin Synthesis in Mouse Brain Microvascular Endothelial Cells

open access: yesPteridines, 2002
Tetrahydrobiopterin (BH4) is one of the cofactors for nitric oxide synthase (NOS), and also has a protective effect against reactive oxygen species (ROS)- and/or nitric oxide (NO)-induced cytotoxicities. Lipopolysaccharide (LPS) induces NO production and
Shiota Kazuhiro   +6 more
doaj   +1 more source

Chemical structure of 1-O-(L-erythro-biopterin-2'-yl)-a-glucose isolated from a cyanobacterium Synechococcus sp. PCC 7942

open access: yesPteridines, 2001
A pteridine glycoside in Synechococcus sp. PCC 7942, the structure of which had been tentatively identified as biopterin-glucoside, was isolated and characterized for its exact chemical structure by 2D-NMR spectroscopy. The determined structure is 1-0-(L-
Choi Yong Kee   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy