Results 21 to 30 of about 151,356 (287)

Altered Thymidine Metabolism Due to Defects of Thymidine Phosphorylase [PDF]

Journal of Biological Chemistry, 2002
Mitochondrial neurogastrointestinal encephalomyopathy (MNGIE) is an autosomal recessive human disease due to mutations in the thymidine phosphorylase (TP) gene. TP enzyme catalyzes the reversible phosphorolysis of thymidine to thymine and 2-deoxy-D-ribose 1-phosphate. We present evidence that thymidine metabolism is altered in MNGIE.
SPINAZZOLA A, MARTI R, NISHINO I, ANDREU AL, NAINI A, TADESSE S, PELA, IVANA, ZAMMARCHI, ENRICO, DONATI MA, OLIVER JA, HIRANO M.   +10 more
openaire   +6 more sources

Synthesis of 5′-Thymidine-Conjugated Formylphenylboronic Acids as Potential Lysine Targeting Iminoboronate Reversible Covalent Enzyme Probes

, 2022
The design of reversible-covalent molecules to selectively target the ε-amino functionality of lysine residues in enzymes or proteins is a highly desirable goal.
Katherine N. Robertson (841910), David L. Jakeman (1411447), Alana M. M. Rangaswamy (13990083), Steve Sequeira (13990086), Michael H. R. Beh (3841585), Julie Cormier (13990089), Ebrahim Soleimani (2135932)   +6 more
core   +1 more source

Interaction of Thymidine with Sodium bis(2-ethylhexyl) Sulfosuccinate in Alcohol and Water: Studies with UV-Vis Technique

Pharmaceutical Sciences and Research, 2020
The accurate measurement of thymidine absorbance in the presence of sodium bis(2-ethylhexyl) sulfosuccinate (AOT) in ethanol and water systems at room temperature by UV-vis technique has been reported.
Indu M. Paudel, Ajaya Bhattarai
doaj   +1 more source

α-Tocopherol phosphate as a photosensitizer in the reaction of nucleosides with UV light: formation of 5,6-dihydrothymidine

Genes and Environment, 2022
Introduction α-Tocopherol phosphate, a natural water-soluble α-tocopherol analog, exists in biological tissues and fluids. Synthesized α-tocopherol phosphate is used as an ingredient of cosmetics.
Toshinori Suzuki, Chiaki Ono
doaj   +1 more source

Dexamethasone pretreatment impairs the thymidylate synthase inhibition mediated flare in thymidine salvage pathway activity in non-small cell lung cancer. [PDF]

PLoS ONE, 2018
INTRODUCTION:Successful inhibition of thymidylate synthase (TS) by pemetrexed, a TS inhibitor, results in a reproducible transient burst or "flare" in thymidine salvage pathway activity at 2 hrs.
Xiao Chen, Yizeng Yang, Sharyn I Katz
doaj   +1 more source

A critical examination of substoichiometric isotope dilution analysis using thymidine and leucine

Scientia Marina, 1999
Isotope dilution analysis is used to determine the specific activity of radiolabelled precursors such as 3H-thymidine and 3H-leucine incorporated into DNA or protein in environmental samples.
David F. Bird
doaj   +1 more source

Poor Outcome in a Mitochondrial Neurogastrointestinal Encephalomyopathy Patient with a Novel TYMP Mutation: The Need for Early Diagnosis. [PDF]

, 2012
Mitochondrial neurogastrointestinal encephalomyopathy (MNGIE) is a devastating autosomal recessive disorder due to mutations in TYMP, which cause loss of function of thymidine phosphorylase (TP), nucleoside accumulation in plasma and tissues and ...
Padovani Alessandro, SCARPELLI, Mauro, Anna Russignan, Padovani, A, PADOVANI, Alessandro, Bereczki, C, Paola Tonin, Bax Bridget E., Buono, R, Filosto Massimiliano, ZAPPINI, Francesca, Filosto M., Russignan, A, Bridget E. Bax, Alessandro Padovani, Zappini, F, Filosto, M, Bereczki Csaba, Bax, BE, Tonin, P, Massimiliano Filosto, Bax B. E., Padovani A., Zombor, M, Tonin Paola, Buono, Romina, Bereczki C., Zombor Melinda, Zombor M., Mauro Scarpelli, Romina Buono, Zappini Francesca, Scarpelli Mauro, Csaba Bereczki, Russignan Anna, Francesca Zappini, RUSSIGNAN, Anna, Buono Romina, TONIN, PAOLA, Melinda Zombor, Scarpelli, M   +40 more
core   +1 more source

Thymidine Kinase-Independent Click Chemistry DNADetect Probes for DNA Proliferation Assessment in Malaria Parasites

, 2023
Metabolic chemical probes are small-molecule reagents that utilize naturally occurring biosynthetic enzymes for in situ incorporation into biomolecules of interest.
Hilko, David, Andrews, Katherine, Addison, Russell, Fisher, Gillian, Poulsen, Sally-Ann   +4 more
core   +1 more source

Nitrogen and carbon limitation of planktonic primary production and phytoplankton–bacterioplankton coupling in ponds on the McMurdo Ice Shelf, Antarctica

Environmental Research Letters, 2013
We compared planktonic primary and secondary production across twenty meltwater ponds on the surface of the McMurdo Ice Shelf in January 2007, including some ponds with basal brines created by meromictic stratification.
Brian K Sorrell, Ian Hawes, Karl Safi
doaj   +1 more source

Anion exchange resins in phosphate form as versatile carriers for the reactions catalyzed by nucleoside phosphorylases

Beilstein Journal of Organic Chemistry, 2020
In the present work, we suggested anion exchange resins in the phosphate form as a source of phosphate, one of the substrates of the phosphorolysis of uridine, thymidine, and 1-(β-ᴅ-arabinofuranosyl)uracil (Ara-U) catalyzed by recombinant E. coli uridine
Julia N. Artsemyeva, Ekaterina A. Remeeva, Tatiana N. Buravskaya, Irina D. Konstantinova, Roman S. Esipov, Anatoly I. Miroshnikov, Natalia M. Litvinko, Igor A. Mikhailopulo   +7 more
doaj   +1 more source