Results 21 to 30 of about 37,163 (226)

Research Advances in Purine Phosphoribosyltransferases of Protozoan Parasites

open access: yesGuangdong nongye kexue, 2023
Parasitic protozoa are single-celled organisms that have adapted to live in cells of humans and animals. The protozoan parasites include Leishmania spp., Trypanosoma spp., Plasmodium spp., Toxoplasma gondii, Cryptosporidium spp., and Eimeria spp., which ...
Zhihui YU   +7 more
doaj   +1 more source

Efficacy of laser capture microdissection plus RT-PCR technique in analyzing gene expression levels in human gastric cancer and colon cancer

open access: yesBMC Cancer, 2008
Background Thymidylate synthase, dihydropyrimidine dehydrogenase, thymidine phosphorylase, and orotate phosphoribosyltransferase gene expressions are reported to be valid predictive markers for 5-fluorouracil sensitivity to gastrointestinal cancer.
Danenberg Peter V   +4 more
doaj   +1 more source

Crystal structure of human nicotinic acid phosphoribosyltransferase

open access: yesFEBS Open Bio, 2015
Nicotinic acid phosphoribosyltransferase (EC 2.4.2.11) (NaPRTase) is the rate‐limiting enzyme in the three‐step Preiss–Handler pathway for the biosynthesis of NAD.
Ada Serena Marletta   +5 more
doaj   +1 more source

Rare forms of nephrolithiasis

open access: yesPediatria i Medycyna Rodzinna, 2019
Inborn errors of metabolism that may lead to calculus formation within the urinary tract include: adenine phosphoribosyltransferase deficiency, xanthine oxidase deficiency, orotic aciduria (acidosis) type I and alkaptonuria.
Piotr Skrzypczyk   +1 more
doaj   +1 more source

Discovery of potential visfatin activators using in silico docking and ADME predictions as therapy for type 2 diabetes

open access: yesBeni-Suef University Journal of Basic and Applied Sciences, 2018
Visfatin (Nicotinamide phosphoribosyltransferase) is an adipokine implicated in mediating insulin resistance and exhibiting insulin mimetic effect and therefore represents a druggable target for diabetes therapy.
Olusola Olalekan Elekofehinti   +9 more
doaj   +1 more source

Thermophilic phosphoribosyltransferases Thermus thermophilus HB27 in nucleotide synthesis

open access: yesBeilstein Journal of Organic Chemistry, 2018
Phosphoribosyltransferases are the tools that allow the synthesis of nucleotide analogues using multi-enzymatic cascades. The recombinant adenine phosphoribosyltransferase (TthAPRT) and hypoxanthine phosphoribosyltransferase (TthHPRT) from Thermus ...
Ilja V. Fateev   +9 more
doaj   +1 more source

Normal Uricemia in Lesch–Nyhan Syndrome and the Association with Pulmonary Embolism in a Young Child—A Case Report and Literature Review

open access: yesPediatrics and Neonatology, 2014
Deficiency of hypoxanthine phosphoribosyltransferase activity is a rare inborn error of purine metabolism with subsequent uric acid overproduction and neurologic presentations.
Jeng-Dau Tsai   +5 more
doaj   +1 more source

Potential molecular link between the β-amyloid precursor protein (APP) and hypoxanthine-guanine phosphoribosyltransferase (HGprt) enzyme in Lesch-Nyhan disease and cancer

open access: yesAIMS Neuroscience, 2021
Lesch-Nyhan disease (LND) is a rare X-linked inherited neurogenetic disorders of purine metabolic in which the cytoplasmic enzyme, hypoxanthine-guanine phosphoribosyltransferase (HGprt) is defective.
Khue Vu Nguyen
doaj   +1 more source

Anticancer Activities of Novel Nicotinamide Phosphoribosyltransferase Inhibitors in Hematological Malignancies

open access: yesMolecules, 2023
Targeting cancer cells that are highly dependent on the nicotinamide adenine dinucleotide (NAD+) metabolite is a promising therapeutic strategy. Nicotinamide phosphoribosyltransferase (NAMPT) is the rate-limiting enzyme catalyzing NAD+ production ...
Paulina Biniecka   +16 more
doaj   +1 more source

Apt (Adenine Phosphoribosyltransferase) Mutation in Laboratory-Selected Vancomycin-Intermediate Staphylococcus aureus

open access: yesAntibiotics, 2021
Comparative genomic sequencing of laboratory-derived vancomycin-intermediate Staphylococcusaureus (VISA) (MM66-3 and MM66-4) revealed unique mutations in both MM66-3 (in apt and ssaA6), and MM66-4 (in apt and walK), compared to hetero-VISA parent strain ...
Reena Lamichhane-Khadka   +6 more
doaj   +1 more source

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