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Connolly, GP, Duley, JA and Stacey, NC (2001) Abnormal development of hypoxanthine-guanine phosphoribosyltransferase-deficient CNS neuroblastoma. Brain Research, 918 1-2: 20-27. doi:10.1016/S0006-8993(01)02909-2 125   9 Cited 9 times in Scopus9 0
Stacey, NC, Ma, MHY, Duley, JA and Connolly, GP (2000) Abnormalities in cellular adhesion of neuroblastoma and fibroblast models of Lesch Nyhan syndrome. Neuroscience, 98 2: 397-401. doi:10.1016/S0306-4522(00)00149-4 6   4 Cited 4 times in Scopus4 0
Pacheco-Neto, Maurílio, Alves, Atecla N. L., Fortini, Alexandre S., Sumita, Nairo M., Mendes, Maria E., Torres, Larissa H. L., Duley, John A., Nahas, William C. and Chocair, Pedro R. (2012) A case report of azathioprine-induced recurrent acute pancreatitis associated with high levels of 6-thioguanine nucleotides in a renal transplant recipient. Revista da Associação Médica Brasileira, 58 Supp. 1: 39-41. 162 2
Marlewski, M, Smolenski, RT, Swierczynski, J, Rutkowski, B, Duley, JA, Simmonds, HA and Zydowo, MM (1994). Accelerated purine base salvage - A possible cause of elevated nucleotide pool in the erythrocytes of patients with uraemia. In: Purine and Pyrimidine Metabolism in Man VIII. 8th International Symposium on Purine and Pyrimidine Metabolism in Man, Bloomington in, (19-22). May 22-27, 1994. 21   1
Fairbanks, LD, Simmonds, HA, Duley, JA, Gaspar, HB, Flood, T and Steward, CA (2000) ADA activity and dATP levels in erythrocytes after bone marrow transplantation. Purine and Pyrimidine Metabolism in Man X, 486 51-55. 4   4
Bowen, EF, Osuji, N, Fairbanks, L, Levin, GE, Duley, J and Rayner, CFJ (1999). Adenosine deaminase is a useful marker in the differential diagnosis of tuberculous and malignant pleural effusions in routine. In: Thorax. , , (A82-A82). . 6   0
Marinaki, AM, Champion, M, Kurian, MA, Simmonds, HA, Marie, S, Vincent, MF, van den Berghe, G, Duley, JA and Fairbanks, LD (2004) Adenylosuccinate lyase deficiency - First British case. Nucleosides Nucleotides & Nucleic Acids, 23 8-9: 1231-1233. doi:10.1081/NCN-200027494 106   10 Cited 12 times in Scopus12 0
Chen, Bee Chin, McGowan, Ivan, Thong, Meow Keong, Pitt, James, Yunus, Zabedah M, Khoo, Teck Beng, Ngu, Lock Hock and Duley, John A. (2010) Adenylosuccinate lyase deficiency in a Malaysian patient, with novel adenylosuccinate lyase gene mutations. Journal of Inherited Metabolic Disease, 33 SUPPL. 3: . doi:10.1007/s10545-010-9056-z 70 2 Cited 2 times in Scopus2 0
Marinaki, AM, Ansari, A, Duley, JA, Arenas, M, Sumi, S, Lewis, CM, Shobowale-Bakre, EM, Escuredo, E, Fairbanks, LD and Sanderson, JD (2004) Adverse drug reactions to azathioprine therapy are associated with polymorphism in the gene encoding inosine triphosphate pyrophosphatase (ITPase). Pharmacogenetics, 14 3: 181-187. doi:10.1097/01.fpc0000114709.42625.5d 274   179 Cited 196 times in Scopus196 0
Holmes, RS, Duley, JA and Imai, S (1982) Alcohol-Dehydrogenase Isozymes in the Mouse - Genetic-Regulation, Allelic Variation Among Inbred Strains and Sex-Differences of Liver and Kidney A-2-Isozyme Activity. Animal Blood Groups and Biochemical Genetics, 13 2: 97-108. 2   11
Marinaki, AM, Sumi, S, Arenas, M, Fairbanks, L, Harihara, S, Shimizu, K, Ueta, A and Duley, JA (2004) Allele frequency of inosine triphosphate pyrophosphatase gene polymorphisms in a Japanese population. Nucleosides Nucleotides & Nucleic Acids, 23 8-9: 1399-1401. doi:10.1081/NCN-200027641 77   18 Cited 17 times in Scopus17 3
Duley, J and Holmes, RS (1974) Alpha-Hydroxyacid Oxidase Genetics in Mouse - Evidence for 2 Genetic Loci and a Tetrameric Subunit Structure for Liver Isoenzyme. Genetics, 76 1: 93-97. 2   36
Fabianowskamajewska, K, Wasiak, TJ, Warzocha, K, Marlewski, M, Fairbanks, L, Smolenski, RT, Duley, J and Simmonds, A (1994). A new mechanism of toxicity of 2-chlorodeoxyadenosine (2CdA). In: Purine and Pyrimidine Metabolism in Man VIII. 8th International Symposium on Purine and Pyrimidine Metabolism in Man, Bloomington in, (125-128). May 22-27, 1994. 16   2
Oancea, Iulia, Png, Chin Wen, Das, Indrajit, Lourie, Rohan, Winkler, Ingrid G., Eri, Rajaraman, Subramaniam, Nathan, Jinnah, H. A., McWhinney, Brett C., Levesque, Jean-Pierre, McGuckin, Michael A., Duley, John A. and Florin, Timothy H. J. (2013) A novel mouse model of veno-occlusive disease provides strategies to prevent thioguanine-induced hepatic toxicity. Gut, 62 4: 594-605. doi:10.1136/gutjnl-2012-302274 86   5 Cited 6 times in Scopus6 3
Smolenski, RT, Fabianowskamajewska, K, Montero, C, Duley, JA, Fairbanks, LD, Marlewski, M and Simmonds, HA (1992) A Novel Route of Atp Synthesis. Biochemical Pharmacology, 43 10: 2053-2057. doi:10.1016/0006-2952(92)90161-B 3   21 0
Carrey, EA, Smolenski, RT, Edbury, SM, Laurence, A, Marinaki, AM, Duley, JA, Zhu, LM, Goldsmith, DJA and Simmonds, HA (2004) An unusual pyridine nucleotide accumulating in erythrocytes: Its identity and positive correlation with degree of renal failure. Nucleosides Nucleotides & Nucleic Acids, 23 8-9: 1135-1139. doi:10.1081/NCN-200027391 38   7 Cited 7 times in Scopus7 0
Matyska, Maria T., Pesek, Joseph J., Duley, John, Zamzami, Mazin and Fischer, Steven M. (2010) Aqueous normal phase retention of nucleotides on silica hydride-based columns: Method development strategies for analytes revelant in clinical analysis. Journal of Separation Science, 33 6-7: 930-938. doi:10.1002/jssc.200900648 93   19 Cited 28 times in Scopus28 0
de Brouwer, Arjan P. M., Duley, John A. and Christodoulou, John (2008). Arts syndrome. In Roberta A. Pagon, Thomas D. Bird, Cynthia R. Dolan, Richard J.H. Smith and Karen G. Stephens (Ed.), GeneReviews (pp. x-x) Seattle, WA, U.S.A.: University of Washington, Seattle. 97  
de Brouwer, A. P. M., Williams, K. L., Duley, J. A., van Kuilenburg, A. B. P., Nabuurs, S. B., Egmont-Petersen, M., Lugtenberg, D., Zoetekouw, L., Banning, M. J. G., Roeffen, M., Hamel, B. C. J., Weaving, L., Ouvrier, R. A., Donald, J. A., Wevers, RA, Christodoulou, J. and van Bokhoven, H. (2007) Arts syndrome is caused by loss-of-function mutations in PRPS1. American Journal of Human Genetics, 81 3: 507-518. doi:10.1086/520706 84   28 Cited 32 times in Scopus32 3
Norris, R., Duley, J., Esmail, L., George, R. and Florin, T. (2013). Assay of the Thiopurine Nucleotides for TDM Using HPLC-MS/MS Compared to HPLC-UV in Whole Blood. In: Abstracts of the 13th International Congress Of Therapeutic Drug Monitoring and Clinical Toxicology. 13th International Congress of Therapeutic Drug Monitoring and Clinical Toxicology, Salt Lake City, UT United States, (732-732). 22 - 26 September 2013. doi:10.1097/FTD.0b013e3182a8ef2b 21   0 0
Simmonds, HA, Fairbanks, LD, Duley, JA and Morris, GS (1989) Atp Formation From Deoxyadenosine in Human-Erythrocytes - Evidence for a Hitherto Unidentified Route Involving Adenine and S-Adenosylhomocysteine Hydrolase. Bioscience Reports, 9 1: 75-85. doi:10.1007/BF01117513 2   18 0
Ansari, Azhar R. and Duley, John A. (2012) Azathioprine co-therapy with allopurinol for inflammatory bowel disease: Trials and tribulations. Revista da Associação Médica Brasileira, 58 Supp 1.: S28-S33. 127 18
Pacheco-Neto, Maurílio, Nasser, Paulo, Alves, Atecla N. L., Fortini, Alexandre S., Sumita, Nairo M., Mendes, Maria E., Ono-Nita, Suzane K., Cançado, Eduardo L., Torres, Larissa H. L., Duley, John A., Nahas, WIlliam C. and Chocair, Pedro R. (2012) Azathioprine-related severe diarrhea induced by high levels of 6-thioguanine nucleotides in renal transplant recipient carrying mutant thiopurine methyltransferase: A case report. Revista da Associação Médica Brasileira, 58 Supp. 1: S42-S44. 116 3
Duley, John and Florin, Timothy H.J. (2008) Azathioprine: When less is more. Journal Gastroenterology and Hepatology, 23 9: 1317-1319. doi:10.1111/j.1440-1746.2008.05564.x 52   2 Cited 2 times in Scopus2 0
Duley, JA and Holmes, RS (1982) Biochemical Genetics of Aldehyde Reductase in the Mouse - Ahr-1 - a New Locus Linked to the Alcohol-Dehydrogenase Gene-Complex On Chromosome-3. Biochemical Genetics, 20 11-1: 1067-1083. doi:10.1007/BF00498933 4   13 0
Al-Shehri, S., Henman, M., Charles, B. G., Cowley, D., Shaw, P. N., Liley, H., Tomarchio, A., Punyadeera, C. and Duley, J. A. (2013) Collection and determination of nucleotide metabolites in neonatal and adult saliva by high performance liquid chromatography with tandem mass spectrometry. Journal of Chromatography B, 931 140-147. doi:10.1016/j.jchromb.2013.05.001 101   1 Cited 1 times in Scopus1 0
Duley, Gavin P. and Duley, John Alexander (2004) Comment on 'History and environmental impact of mining activity in Celtic Aeduan territory recorded in a peat bog (Morvan, France)'. Environmental Science and Technology, 38 8: 2496-2496. doi:10.1021/es049865t 101   0 0
Duley, JA and Nethersell, ABW (1998) Delayed hypersensitivity to 5-fluorouracil associated with reduced dihydropyrimidine dehydrogenase (DPD) activity. Purine and Pyrimidine Metabolism in Man IX, 431 147-150. 6   1
Simmonds, HA, Taddeo, A, Fairbanks, LD and Duley, JA (1988). Deoxygtp Accumulates in Thymocytes, But Not in Lymphocyte-T or Lymphocyte-B in Simulated Pnp Deficiency. In: Pediatric Research. , , (135-135). . doi:10.1203/00006450-198807000-00167 4   0 0
Fairbanks, LD, Marinaki, AM, Carrey, EA, Hammans, SR and Duley, JA (2002) Deoxyuridine accumulation in urine in thymidine phosphorylase deficiency (MNGIE). Journal of Inherited Metabolic Disease, 25 7: 603-604. doi:10.1023/A:1022007827133 66   10 Cited 12 times in Scopus12 0
Rocchigiani, M, Micheli, V, Duley, JA and Simmonds, HA (1992) Determination of Nicotinamide Phosphoribosyltransferase Activity in Human Erythrocytes - High-Performance Liquid Chromatography-Linked Method. Analytical Biochemistry, 205 2: 334-336. doi:10.1016/0003-2697(92)90444-C 2   7 0
Ni, M., Duley, J. A., George, R., Charles, B. G. and Norris, R. L. G. (2011). Determination of thymine, dihydrothymine and ureidoisobutyrate in human plasma, saliva and urine using HPLC-tandem mass spectrometry. In: 12th International Congress of Therapeutic Drug Monitoring and Clinical Toxicology. 12th International Congress of Therapeutic Drug Monitoring and Clinical Toxicology, Stuttgart, Germany, (490-490). 2-6 October 2011. doi:10.1097/01.ftd.0000400651.94145.ba 122   0 2
Henderson, MJ, Ward, K, Simmonds, HA, Duley, JA and Davies, PM (1993) Dihydropyrimidinase deficiency presenting in infancy with severe developmental delay. Journal of Inherited Metabolic Disease, 16 3: 574-576. doi:10.1007/BF00711685 8   33 Cited 32 times in Scopus32 0
Wyczechowska, D, Ruckemann, K, Duley, JA, Simmonds, AH and Fabianowska-Majewska, K (1999) Distinct inhibitory effects of 2-chloro-2 '-deoxyadenosine and 9-beta-D-arabinosyl-2-fluoroadenine on DNA methyltransferase in human T-lymphocytes. Nucleosides & Nucleotides, 18 4-5: 831-834. doi:10.1080/15257779908041572 6   3 0
Duley, J (1998) Doh tee la so fah me. New Scientist, 157 2123: U1-U1. 3   0
Duley, JA, Marinaki, AM, Arenas, M and Florin, THJ (2006) Do ITPA and TPMT genotypes predict the development of side effects to AZA?. Gut, 55 7: 1048-1048. 38   4 Cited 6 times in Scopus6
van Werkhoven, Michiel A., Duley, John A., McGown, Ivan, Munce, Teresa, Freeman, Jeremy L. and Pitt, James J. (2013) Early diagnosis of adenylosuccinate lyase deficiency using a high-throughput screening method and a trial of oral S-adenosyl-L-methionine as a treatment method. Developmental Medicine and Child Neurology, 55 11: 1060-1064. doi:10.1111/dmcn.12244 25   3 Cited 2 times in Scopus2 0
Connolly, GP, Demaine, C and Duley, JA (1998) Ecto-nucleotidases in isolated intact rat vagi, nodose ganglia, and superior cervical ganglia. Purine and Pyrimidine Metabolism in Man IX, 431 769-776. 3   6
Smolenski, RT, Montero, C, Duley, JA and Simmonds, HA (1991) Effects of Adenosine-Analogs On Atp Concentrations in Human Erythrocytes - Further Evidence for a Route Independent of Adenosine Kinase. Biochemical Pharmacology, 42 9: 1767-1773. doi:10.1016/0006-2952(91)90514-6 2   23 0
Fabianowskamajewska, K, Duley, JA and Simmonds, HA (1994) Effects of novel anti-viral adenosine analogues on the activity of S-adenosylhomocysteine hydrolase from human liver. Biochemical Pharmacology, 48 5: 897-903. doi:10.1016/0006-2952(94)90360-3 15   26 Cited 30 times in Scopus30 0
Laurence, A. D., Layton, M., Duley, J. A. and Simmonds, H. A. (2004) Elevated erythrocyte CDP-choline levels associated with beta-thalassaemia in patients with transfusion independent anaemia. Nucleosides Nucleotides & Nucleic Acids, 23 8-9: 1265-1267. doi:10.1081/NCN-200027535 78   0 Cited 0 times in Scopus0 0
Laurence, A, Duley, JA, Simmonds, HA, Layton, M, Rose, SJ and Kelly, SJ (1998) Erythrocyte CDP-choline accumulation in haemolytic anaemia and renal failure (RF). Purine and Pyrimidine Metabolism in Man IX, 431 155-159. 2   4
Holme, S. A., Duley, J. A., Sanderson, J., Routledge, P. A. and Anstey, A. V. (2002) Erythrocyte thiopurine methyl transferase assessment prior to azathioprine use in the UK. QJM, 95 7: 439-444. doi:10.1093/qjmed/95.7.439 67   49 0
Simmonds, HA, Micheli, V, Duley, JA, Fairbanks, LD, Hopkinson, DA and Levinsky, RJ (1988). Further Evidence for a New Purine Defect, Inosine Triphosphate (Itp) Pyrophosphohydrolase Deficiency. In: Pediatric Research. , , (134-134). . doi:10.1203/00006450-198807000-00166 66   0 0
Marinaki, A. M., Escuredo, E., Duley, J. A., Simmonds, H. A., Amici, A., Naponelli, V., Magni, G., Seip, M., Ben-Bassat, I., Harley, E. H., Thein, S. L. and Rees, D. C. (2001) Genetic basis of haemolytic anemia caused by pyrimidine 5’nucleotidase deficiency.. Blood, 97 11: 3327-3332. doi:10.1182/blood.V97.11.3327 113   35 Cited 41 times in Scopus41 3
Sumi, S, Marinaki, AM, Arenas, M, Fairbanks, L, Shobowale-Bakre, M, Rees, DC, Thein, SL, Ansari, A, Sanderson, J, De Abreu, RA, Simmonds, HA and Duley, JA (2002) Genetic basis of inosine triphosphate pyrophosphohydrolase deficiency. Human Genetics, 111 4-5: 360-367. doi:10.1007/s00439-002-0798-z 169   129 Cited 141 times in Scopus141 3
Sumi, Satoshi, Marinkaki, Anthony M., Arenas, Monica, Fairbanks, Lynette, Shobowale-Bakre, Monsor, Rees, David C., Thein, Swee Lay, Ansari, Azhar, Sanderson, Jeremy, De Abreu, Ronney A., Simmonds, H. Anne and Duley, John A. (2002) Genetic basis of inosine triphosphate pyrophosphohydrolase (ITPA) deficiency. Human Genetics, 111 4-5: 360-367. doi:10.1007/s00439-002-0798-z 73   132 Cited 141 times in Scopus141 3
Arenas, M, Duley, JA, Ansari, A, Shobowale-Bakre, EA, Fairbanks, L, Soon, SY, Sanderson, J and Marinaki, AM (2004) Genetic determinants of the pre- and post-azathioprine therapy thiopurine methyltransferase activity phenotype. Nucleosides Nucleotides & Nucleic Acids, 23 8-9: 1403-1405. doi:10.1081/NCN-200027643 48   14 Cited 17 times in Scopus17 0
Marinaki, AM, Arenas, M, Khan, ZH, Lewis, CM, Shobowale-Bakre, EM, Escuredo, E, Fairbanks, LD, Mayberry, JF, Wicks, AC, Ansari, A, Sanderson, J and Duley, JA (2003) Genetic determinants of the thiopurine methyltransferase intermediate activity phenotype in British Asians and Caucasians. Pharmacogenetics, 13 2: 97-105. doi:10.1097/00008571-200302000-00006 71   37 Cited 40 times in Scopus40 0
Arenas, M, Simpson, G, Lewis, CM, Shobowale-Bakre, EM, Escuredo, E, Fairbanks, LD, Duley, JA, Ansari, A, Sanderson, JD and Marinaki, AM (2005) Genetic variation in the MTHFR gene influences thiopurine methyltransferase activity. Clinical Chemistry, 51 12: 2371-2374. doi:10.1373/clinchem.2005.053157 55   29 Cited 29 times in Scopus29 0

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