Results 11 to 20 of about 23,156 (257)

Measurement of Tetrahydrobiopterin in Animal Tissue Samples by HPLC with Electrochemical Detection—Protocol Optimization and Pitfalls [PDF]

open access: goldAntioxidants, 2022
Tetrahydrobiopterin (BH4) is an essential cofactor of all nitric oxide synthase isoforms, thus determination of BH4 levels can provide important mechanistic insight into diseases.
Ksenija Vujacic-Mirski   +8 more
doaj   +2 more sources

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: diamondVan 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   +2 more sources

Influence of tetrahydrobiopterin supplementation on rate pressure product [PDF]

open access: green, 2015
Augmentation of tetrahydrobiopterin (BH4) could potentially improve eNOS uncoupling by increasing Nitric oxide (NO) bioavailability to improve endothelial health in cardiovascular diseases.
Barlow, Matthew, Dr   +2 more
core   +3 more sources

TETRAHYDROBIOPTERIN BIOSYNTHESIS [PDF]

open access: yes, 1982
published
Curtius, Hans-Christoph   +3 more
openaire   +2 more sources

Mutationen im PTS-Gen und mögliche Auswirkungen auf Funktion und Struktur der 6-Pyruvoyl-Tetrahydropterin-Synthase [PDF]

open access: yes, 2002
Background: Research on Juvenile Idiopathic Arthritis (JIA) should support patients, caregivers/parents (carers) and clinicians to make important decisions in the consulting room and eventually to improve the lives of patients with JIA.
Preuße, Friedrich-Alexander   +1 more
core   +9 more sources

Tetrahydrobiopterin in biomedical research [PDF]

open access: yesJournal of Inherited Metabolic Disease, 2009
Tetrahydrobiopterin (BH4) is an endogenously synthesized cofactor, required for various enzyme activities and for some less well-defined functions. It is also required at the cellular level. The known enzymes that depend on BH4 are phenylalanine hydroxylase (PAH), tyrosine hydroxylase, tryptophan hydroxylases 1 and 2, all three types of nitric oxide ...
Blau, Nenad, Thöny, Beat
openaire   +4 more sources

A Comparison of Sepiapterin and Tetrahydrobiopterin Uptake by BRL2H3 Cells

open access: yesPteridines, 1996
Cellular uptake of sepiapterin and tetrahydrobiopterin was compared quantitatively with RBL2H3 cells in culture. RBL2H3 is a mast cell line and has the ability to synthesize serotonin.
Yamamoto Kazumasa   +3 more
doaj   +1 more source

Examining the role of insulin in the regulation of cardiovascular health [PDF]

open access: yes, 2013
A substantial body of evidence has reported that insulin has direct actions on the cardiovascular system independent of its systemic effects on plasma glucose or lipids.
Salt, Ian P.
core   +1 more source

Tetrahydrobiopterin in antenatal brain hypoxia-ischemia-induced motor impairments and cerebral palsy

open access: yesRedox Biology, 2017
Antenatal brain hypoxia-ischemia, which occurs in cerebral palsy, is considered a significant cause of motor impairments in children. The mechanisms by which antenatal hypoxia-ischemia causes brain injury and motor deficits still need to be elucidated ...
Jeannette Vasquez-Vivar   +4 more
doaj   +1 more source

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