Results 121 to 130 of about 2,756 (173)

Hippo pathway controls biopterin metabolism to shield adjacent cells from ferroptosis in lung cancer. [PDF]

EMBO Rep
Li H, Kanamori Y, Nita A, Maeda A, Zhang T, Kikuchi K, Yamada H, Toyomoto T, Saleh MF, Niimura M, Hinokuma H, Shimoda M, Ikeda K, Suzuki M, Komohara Y, Kurotaki D, Sawa T, Moroishi T.   +17 more
europepmc   +1 more source

Metabolic network analysis of Crohn's disease reveals sex- and age-specific cellular phenotypes. [PDF]

Cell Syst
Moore CJ, Batavia M, Shao W, Zulqarnain F, Kolling GL, Greene A, Matthews JD, Syed S, Papin JA.   +8 more
europepmc   +1 more source

Metabolic Disruptions and Non-Communicable Disease Risks Associated with Long-Term Particulate Matter Exposure in Northern Thailand: An NMR-Based Metabolomics Study. [PDF]

Biomedicines
Jaikang C, Konguthaithip G, Amornlertwatana Y, Autsavapromporn N, Rattanachitthawat S, Liampongsabuddhi N, Monum T.   +6 more
europepmc   +1 more source

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Biosynthesis of Biopterin by Rat Brain

Journal of Neurochemistry, 1982
Abstract: A method for the determination of [14C]biopterin biosynthesis from [14C]guanosine‐5′‐triphosphate by a desalted preparation from rat striatum, based on sequential reverse‐phase and cation‐exchange high performance liquid chromatography, is described.
G, Kapatos, S, Katoh, S, Kaufman
exaly   +3 more sources

Quantitation of total biopterin and tetrahydrobiopterin in plasma

Clinical Biochemistry, 2007
To develop a reliable method for the determination of tetrahydrobiopterin and total biopterin in plasma.Modifications include blood collection and handling procedures.Collection of blood in the presence of 0.1% (w/v) dithiothreitol and waiting for 2-3 h before centrifugation are optimal for adequate quantitation of both pterins.For a reliable ...
Fekkes, Durk, Kooijman, Ans
exaly   +3 more sources

Urinary levels of neopterin and biopterin in Autism

Neuroscience Letters, 1998
The pterins, neopterin and biopterin, occur naturally in body fluids including urine. It is well established that increased neopterin levels are associated with activation of the cellular immune system and that reduced biopterins are essential for neurotransmitter synthesis.
S, Messahel, A E, Pheasant, H, Pall, J, Ahmed-Choudhury, R S, Sungum-Paliwal, P, Vostanis   +5 more
exaly   +3 more sources

Biosynthesis of biopterin in Ascaris lumbricoides suum

Biochimica Et Biophysica Acta - General Subjects, 1980
In in vivo experiments, radioactivity from [U-14C]GTP was incorporated into biopterin, and, in fact, all carbon atoms of biopterin synthesized in Ascaris lumbricoides suum originated from GTP. Biopterin was also biosynthesized in homogenates of tissue fluid and muscles of Ascaris lumbricoides suum.
H, Otsuka, K, Sugiura, M, Goto
exaly   +3 more sources

Synthesis of (‐)‐Biopterin

Liebigs Annalen der Chemie, 1989
AbstractThe synthesis of (‐)‐biopterin (1) was accomplished by employing (1S,2S)‐1‐(2‐furyl)‐2‐(trityloxy)‐1‐propanol (6), derived from ethyl (S)‐lactate, as building block for the side chain.
Kenji Mori, Haruhiko Kikuchi
openaire   +1 more source

Biopterin

Neurochemical Research, 1976
Intraperitoneally injected [(14)C]biopterin (B), dihydrobiopterin (BH2), and tetrahydrobiopterin (BH4) penetrated the brain rapidly, but in amounts sufficient to represent only a minor source of supply. Unlike isobiopterin, B was rapidly reduced to BH2 in brain.
E M, Gal, G, Hanson, A, Sherman
openaire   +2 more sources

Pteridine diuretics as biopterin antagonists

Biochemical Pharmacology, 1974
Abstract A series of pteridines having varying degrees of diuretic activity were tested for their effects on the growth of the pteridine-requiring flagellate, Crithidia fasciculata . Inhibition of growth was correlated with diuretic activity insofar as compounds devoid of diuretic effects were uninhibitory and active inhibitors were also good to ...
V C, Dewey, G W, Kidder
openaire   +2 more sources