Results 111 to 120 of about 530 (169)

Alkaloidal Extracts from Avicennia africana P. Beauv. (Avicenniaceae) Leaf: An Antiplasmodial, Antioxidant, and Erythrocyte Viable. [PDF]

Adv Pharmacol Pharm Sci
Ahmed MA, Ameyaw EO, Armah FA, Fynn PM, Asiamah I, Ghartey-Kwansah G, Zoiku FK, Ofori-Attah E, Adokoh CK.   +8 more
europepmc   +1 more source

Deaminase-Driven Reverse Transcription Mutagenesis in Oncogenesis: Critical Analysis of Transcriptional Strand Asymmetries of Single Base Substitution Signatures. [PDF]

Int J Mol Sci
Steele EJ, Lindley RA.
europepmc   +1 more source

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Plasma Hypoxanthine and Exercise

American Review of Respiratory Disease, 1987
Abstract During exercise, ATP is converted to ADP and AMP to supply energy for muscular contraction. It is then regenerated via various pathways of intermediary metabolism. However, with high levels of exercise, net ATP degradation in muscle occurs.
L H, Ketai, R H, Simon, J W, Kreit, C M, Grum   +3 more
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On the interaction of hypoxanthine with adenine

Experientia, 1967
Une conversion non-enzymatique d'hypoxanthine en adenine fut proposee sur la base d'observations spectrophotometriques obtenues de solutions contenant adenine et hypoxanthine dans 1–5M de phosphate d'ammonium. Les resultats fournis par les experiences sur la radioactivite ne confirme pas la conclusion emise parBowne2 que hypoxanthine et adenine ...
J, Ludowieg, J D, Benmaman
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Hypoxanthine Phosphoribosyltransferase and Hypoxanthine Uptake in Human Erythrocytes

Hoppe-Seyler´s Zeitschrift für physiologische Chemie, 1975
A system of hypoxanthine uptake and IMP retention was studied and characterized in human erythrocytes. It follows closely the system already described for rabbit erythrocytes[7]. IMP formation and retention are dependent on the activity of hypoxanthine phosphoribosyl-transferase and on intracellular availability of phosphoribosyl pyrophosphate (P-Rib ...
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Transport of hypoxanthine in fibroblasts with normal and mutant hypoxanthine-guanine phosphoribosyltransferase

Biochemical Medicine, 1973
Abstract Hypoxanthine transport has been studied in cultured human fibroblasts with normal and mutant H-G PRT. Transport is dependent on cell density, the activity of H-G PRT, and de novo purine synthesis. Transport is decreased in control cultures at high density and in cell strains with a mutant H-G PRT.
P J, Benke, N, Herrick, A, Herbert
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SLC23A3 is a renal hypoxanthine transporter

Nucleosides, Nucleotides & Nucleic Acids, 2022
LLC-PK1 renal cells show Na+-dependent and Na+-independent hypoxanthine uptake. While the latter is inhibited by adenine, neither are inhibited by xanthine. In rats, intestinal Na+-dependent hypoxanthine transporter Slc23a4 is not expressed in the kidney, and its action is inhibited by xanthine.
Makoto Hosoyamada, Naoko H. Tomioka, Tamaki Watanabe, Nobuhiro Yasuno, Shunya Uchida, Shigeru Shibata   +5 more
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Facilitated Purification of Hypoxanthine Phosphoribosyltransferase

Hoppe-Seyler´s Zeitschrift für physiologische Chemie, 1976
Three major approaches to the complete purification of hypoxanthine phosphoribosyltransferase from human erythrocytes and rat brain are described. Preparative isoelectric focusing which has been used for the isolation of the human enzyme was not fully successful in the case of rat brain.
W, Gutensohn, M, Huber, H, Jahn
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Hypoxanthine in cerebrospinal fluid in children

Scandinavian Journal of Clinical and Laboratory Investigation, 1978
In forty-five children the hypoxanthine concentration in cerebrospinal fluid (CSF) was measured (fifty-two samples). In newborn infants (nineteen patients) the hypoxanthine levels were higher in patients with clinical conditions associated with hypoxia (idiopathic respiratory distress syndrome, asphyxia, apneic attacks) than in patients without ...
A, Meberg, O D, Saugstad
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Hypoxanthine Transport in Human Erythrocytes

1980
De novo synthesis of purines does not appear to take place in mature human erythrocytes because the enzymes for the pathway are absent1. Therefore purine bases should be normally have to be supplied exogenously to erythrocytes.
GIACOMELLO, Alessandro, SALERNO, Costantino   +1 more
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