Metabolism and Selective Toxicity of 6-Nitrobenzylthioinosine in Toxoplasma gondii von EL KOUNI, M. H, GUARCELLO, V, AL SAFARJALANI, O. N, NAGUIB, F. N. M

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Differences in activities and substrate specificity of human and murine pyrimidine nucleoside phosphorylases : implications for chemotherapy with 5-fluoropyrimidines von EL KOUNI, M. H, EL KOUNI, M. M, NAGUIB, F. N. M

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5-phenylthioacyclouridine: a potent and specific inhibitor of uridine phosphorylase von el Kouni, Mahmoud H, Goudgaon, Naganna M, Rafeeq, Mohammad, Al Safarjalani, Omar N, Schinazi, Raymond F, Naguib, Fardos N.M

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Uridine phosphorylase inhibitors: Chemical modification of benzyloxybenzyl-barbituric acid and its effects on UrdPase inhibition von Guerin, David J., Mazeas, Daniel, Musale, Manoj S., Naguib, Fardos N.M., Al Safarjalani, Omar N., el Kouni, Mahmoud H., Panzica, Raymond P.

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Modulation of 5-fluorouracil host toxicity by 5-(benzyloxybenzyl)barbituric acid acyclonucleoside, a uridine phosphorylase inhibitor, and 2′,3′,5′-tri- O-acetyluridine, a prodrug o... von Ashour, Osama M, Naguib, Fardos N.M, Panzica, Raymond P, Al Safarjalani, Omar N, el Kouni, Mahmoud H

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Modulation of plasma uridine concentration by 5-(phenylselenenyl)acyclouridine, an inhibitor of uridine phosphorylase : relevance to chemotherapy von ASHOUR, O. M, AL SAFARJALANI, O. N, NAGUIB, F. N. M, GOUDGAON, N. M, SCHINAZI, R. F, EL KOUNI, M. H

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5-Benzylbarbituric acid derivatives, potent and specific inhibitors of uridine phosphorylase von Naguib, Fardos N.M., Levesque, Diane L., Eng-Chi Wang, Panzica, Raymond P., El Kouni, Mahmoud H.

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Enzymes of uracil catabolism in normal and neoplastic human tissues von NAGUIB, F. N. M, EL KOUNI, M. H, SUNGMAN CHA

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Effect of administration of 5-(phenylselenenyl)acyclouridine, an inhibitor of uridine phosphorylase, on the anti-tumor efficacy of 5-fluoro-2′-deoxyuridine against murine colon tum... von Ashour, Osama M, Naguib, Fardos N.M, Goudgaon, Naganna M, Schinazi, Raymond F, el Kouni, Mahmoud H

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Effect of 5-(phenylselenenyl)acyclouridine, an inhibitor of uridine phosphorylase, on plasma concentration of uridine released from 2', 3', 5'-tri-O-acetyluridine, a prodrug of uri... von ASHOUR, O. M, NAGUIB, F. N. M, GOUDGAON, N. M, SCHINAZI, R. F, EL KOUNI, M. H

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Effects of modifications in the pentose moiety and conformational changes on the binding of nucleoside ligands to uridine phosphorylase from Toxoplasma gondii von el Kouni, Mahmoud H., Naguib, Fardos N.M., Panzica, Raymond P., Otter, Brian A., Chu, Shih-Hsi, Gosselin, Gilles, Chu, Chung K., Schinazi, Raymond F., Shealy, Y.Fulmer, Goudgaon, Naganna, Ozerov, Alexander A., Ueda, Tohru, Iltzsch, Max H.

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Enhancement of 5-fluoro-2'-deoxyuridine antitumor efficacy by the uridine phosphorylase inhibitor 5-(benzyloxybenzyl)barbituric acid acyclonucleoside von ASHOUR, O. M, NAGUIB, F. N. M, KHALIFA, M. M. A, ABDEL-RAHEEM, M. H, PANZICA, R. P, EL KOUNI, M. H

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5-( m-Benzyloxybenzyl)barbituric acid acyclonucleoside, a uridine phosphorylase inhibitor, and 2′,3′,5′-tri- o-acetyluridine, a prodrug of uridine, as modulators of plasma uridine... von Ashour, Osama M., Naguib, Fardos N.M., el Kouni, Mahmoud H.

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Structure-activity relationships for the binding of ligands to xanthine or guanine phosphoribosyl-transferase from Toxoplasma gondii von NAGUIB, F. N. M, ILTZSCH, M. H, EL KOUNI, M. M, PANZICA, R. P, EL KOUNI, M. H

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Potentiation of 5-fluorouracil efficacy by the dihydrouracil dehydrogenase inhibitor, 5-benzyloxybenzyluracil von NAGUIB, F. N. M, SHAO-NAN HAO, EL KOUNI, M. H

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Circadian rhythm of hepatic uridine phosphorylase activity and plasma concentration of uridine in mice von el Kouni, Mahmoud H., Naguib, Fardos N.M., Kyung Sun, Park, Sungman, Cha, Darnowskl, James W., Soong, Seng-Jaw

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Potentiation of 5-fluoro-2'-deoxyuridine antineoplastic activity by the uridine phosphorylase inhibitors benzylacyclouridine and benzyloxybenzylacyclouridine von CHU, M. Y. W, NAGUIB, F. N. M, ILTZSCH, M. H, EL KOUNI, M. H, SHIH HSI CHU, SUNGMAN CHA, CALABRESI, P

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Structure-activity relationship of ligands of dihydrouracil dehydrogenase from mouse liver von Naguib, Fardos N.M., El Kouni, Mahmoud H., Cha, Sungman

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Uridine phosphorylase from Schistosoma mansoni von el Kouni, M H, Naguib, F N, Niedzwicki, J G, Iltzsch, M H, Cha, S

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Pyrimidine salvage pathways in adult Schistosoma mansoni von El Kouni, Mahmoud H., Naguib, Fardos N.M.

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