-
1
-
-
0024544238
-
Amplification of a polymorphic dihydrofolate reductase gene expressing an enzyme with decreased binding to methotrexate in a human colon carcinoma cell line, HCT-8R4, resistant to this drug
-
Srimatkandada S., B. I. Schweitzer, B. A. Moroson, S. Dube, and J. R. Bertino. Amplification of a polymorphic dihydrofolate reductase gene expressing an enzyme with decreased binding to methotrexate in a human colon carcinoma cell line, HCT-8R4, resistant to this drug. J. Biol. Chem. 264:3524-3528 (1989).
-
(1989)
J. Biol. Chem.
, vol.264
, pp. 3524-3528
-
-
Srimatkandada, S.1
Schweitzer, B.I.2
Moroson, B.A.3
Dube, S.4
Bertino, J.R.5
-
2
-
-
0008200829
-
Isolation and expression of an altered mouse dihydrofolate reductase cDNA
-
Simonsen, C. C., and A. D. Levinson. Isolation and expression of an altered mouse dihydrofolate reductase cDNA. Proc. Natl. Acad. Sci. USA 80:2495-2499 (1983).
-
(1983)
Proc. Natl. Acad. Sci. USA
, vol.80
, pp. 2495-2499
-
-
Simonsen, C.C.1
Levinson, A.D.2
-
3
-
-
0021356824
-
Phenotypic expression in Escherichia coli and nucleotide sequence of two Chinese hamster lung cell cDNAs encoding two different dihydrofolate reductases
-
Melera, P. W., J. P. Davide, C. A. Hession, and K. W. Scotto. Phenotypic expression in Escherichia coli and nucleotide sequence of two Chinese hamster lung cell cDNAs encoding two different dihydrofolate reductases. Mol. Cell. Biol. 4:38-48 (1984).
-
(1984)
Mol. Cell. Biol.
, vol.4
, pp. 38-48
-
-
Melera, P.W.1
Davide, J.P.2
Hession, C.A.3
Scotto, K.W.4
-
4
-
-
0025343839
-
Identification and characterization of a gene from the methotrexate-resistant Chinese hamster ovary cell line Pro-3 MTXRIII
-
Dicker, A. P., M. Volkenandt, B. I. Schweitzer, D. Banerjee, and J. R. Bertino. Identification and characterization of a gene from the methotrexate-resistant Chinese hamster ovary cell line Pro-3 MTXRIII. J. Biol. Chem. 265:8317-8321 (1990).
-
(1990)
J. Biol. Chem.
, vol.265
, pp. 8317-8321
-
-
Dicker, A.P.1
Volkenandt, M.2
Schweitzer, B.I.3
Banerjee, D.4
Bertino, J.R.5
-
5
-
-
0025597977
-
Isolation and characterization of a variant dihydrofolate reductase cDNA from methotrexate-resistant murine L5178Y cells
-
McIvor, R. S., and C. C. Simonsen. Isolation and characterization of a variant dihydrofolate reductase cDNA from methotrexate-resistant murine L5178Y cells. Nucleic Acids Res. 18:7025-7032 (1990).
-
(1990)
Nucleic Acids Res.
, vol.18
, pp. 7025-7032
-
-
McIvor, R.S.1
Simonsen, C.C.2
-
6
-
-
0027136096
-
Allelic variation in the dihydrofolate reductase gene at amino acid position 95 contributes to antifolate resistance in Chinese hamster cells
-
Yu, M , and P. W. Melera. Allelic variation in the dihydrofolate reductase gene at amino acid position 95 contributes to antifolate resistance in Chinese hamster cells. Cancer Res. 53:6031-6035 (1993).
-
(1993)
Cancer Res.
, vol.53
, pp. 6031-6035
-
-
Yu, M.1
Melera, P.W.2
-
7
-
-
0027142053
-
Methotrexate resistance in an in vivo mouse tumor due to a non-active dihydrofolate reductase mutation
-
Dicker, A. P., M. C. Waltham, M. Volkenandt, B. I. Schweitzer, G. M. Otter, F. A. Schmid, F. M. Sirotnak, and J. R. Bertino. Methotrexate resistance in an in vivo mouse tumor due to a non-active dihydrofolate reductase mutation. Proc. Natl. Acad. Sci. USA 90:11797-11801 (1993).
-
(1993)
Proc. Natl. Acad. Sci. USA
, vol.90
, pp. 11797-11801
-
-
Dicker, A.P.1
Waltham, M.C.2
Volkenandt, M.3
Schweitzer, B.I.4
Otter, G.M.5
Schmid, F.A.6
Sirotnak, F.M.7
Bertino, J.R.8
-
8
-
-
0019174166
-
Methotrexate-resistant Chinese hamster ovary cells contain a dihydrofolate reductase with an altered affinity for methotrexate
-
Flintoff, W. F., and K. Essani. Methotrexate-resistant Chinese hamster ovary cells contain a dihydrofolate reductase with an altered affinity for methotrexate. Biochemistry 19:4321-4327 (1980).
-
(1980)
Biochemistry
, vol.19
, pp. 4321-4327
-
-
Flintoff, W.F.1
Essani, K.2
-
9
-
-
0016958680
-
Isolation and partial characterization of three methotrexate-resistant phenotypes from Chinese hamster ovary cells
-
Flintoff, W. F., S. V. Davidson, and L. Siminovitch. Isolation and partial characterization of three methotrexate-resistant phenotypes from Chinese hamster ovary cells. Somatic Cell Genet. 2:245-261 (1976).
-
(1976)
Somatic Cell Genet.
, vol.2
, pp. 245-261
-
-
Flintoff, W.F.1
Davidson, S.V.2
Siminovitch, L.3
-
10
-
-
0025292730
-
'Turning the tables': Making normal marrow resistant to chemotherapy
-
Bertino, J. R. 'Turning the tables': making normal marrow resistant to chemotherapy (editorial) J. Natl. Cancer Inst. 82:1234-1235 (1990).
-
(1990)
J. Natl. Cancer Inst.
, vol.82
, pp. 1234-1235
-
-
Bertino, J.R.1
-
11
-
-
0025089990
-
Serial transplantation of methotrexate-resistant bone marrow protection of murine recipients from drug cytotoxicity by progeny of transduced stem cells
-
Corey, C. A., A. Desilva, C. Holland, and D. A. Williams. Serial transplantation of methotrexate-resistant bone marrow protection of murine recipients from drug cytotoxicity by progeny of transduced stem cells. Blood 75:337-343 (1990).
-
(1990)
Blood
, vol.75
, pp. 337-343
-
-
Corey, C.A.1
Desilva, A.2
Holland, C.3
Williams, D.A.4
-
12
-
-
0028340408
-
Development of a retroviral construct containing a human mutated dihydrofolate reductase cDNA for hematopoietic stem cell transduction
-
Li, M.-X., D. Banerjee, S.-C. Zhao, B. I. Schweitzer, S. Mineishi, E. Gilboa, and J. R. Bertino. Development of a retroviral construct containing a human mutated dihydrofolate reductase cDNA for hematopoietic stem cell transduction. Blood 83:3403-3408 (1994).
-
(1994)
Blood
, vol.83
, pp. 3403-3408
-
-
Li, M.-X.1
Banerjee, D.2
Zhao, S.-C.3
Schweitzer, B.I.4
Mineishi, S.5
Gilboa, E.6
Bertino, J.R.7
-
13
-
-
0023250381
-
Protection of bone marrow transplant recipients from lethal doses of methotrexate-resistant bone marrow
-
Williams, D. A., K. Hsieh, A. Desilva, and R. C. Mulligan. Protection of bone marrow transplant recipients from lethal doses of methotrexate-resistant bone marrow. J. Exp. Med. 166:210-218 (1987).
-
(1987)
J. Exp. Med.
, vol.166
, pp. 210-218
-
-
Williams, D.A.1
Hsieh, K.2
Desilva, A.3
Mulligan, R.C.4
-
14
-
-
0024408798
-
Probing the role of two hydrophobic active site residues in the human dihydrofolate reductase by site directed mutagenesis
-
Schweitzer, B. I., S. Srimatkandada, H. Gritsman, R. Sheridan, R. Venkataraghavan, and J. R. Bertino. Probing the role of two hydrophobic active site residues in the human dihydrofolate reductase by site directed mutagenesis. J. Biol. Chem. 264:20786-20795 (1989).
-
(1989)
J. Biol. Chem.
, vol.264
, pp. 20786-20795
-
-
Schweitzer, B.I.1
Srimatkandada, S.2
Gritsman, H.3
Sheridan, R.4
Venkataraghavan, R.5
Bertino, J.R.6
-
15
-
-
0023684064
-
A general method of in vitro preparation and specific mutagenesis of cDNA fragments: Study of protein and DNA interaction
-
Higuchi, R., B. Krummel, and R. K. Saiki. A general method of in vitro preparation and specific mutagenesis of cDNA fragments: study of protein and DNA interaction. Nucleic Acids Res. 16:7351-7367 (1988).
-
(1988)
Nucleic Acids Res.
, vol.16
, pp. 7351-7367
-
-
Higuchi, R.1
Krummel, B.2
Saiki, R.K.3
-
17
-
-
0014151463
-
Effect of substrate decomposition on the spectrophotometric assay of dihydrofolate reductase
-
Hillcoat, B. L., P. F. Nixon, and R. L. Blakley. Effect of substrate decomposition on the spectrophotometric assay of dihydrofolate reductase. Anal. Biochem. 21:178-189 (1967)
-
(1967)
Anal. Biochem.
, vol.21
, pp. 178-189
-
-
Hillcoat, B.L.1
Nixon, P.F.2
Blakley, R.L.3
-
18
-
-
0020345697
-
Buffers of constant ionic strength for studying pH dependent processes
-
Ellis, K. J., and J F. Morrison. Buffers of constant ionic strength for studying pH dependent processes. Methods Enzymol. 87:405-426 (1982).
-
(1982)
Methods Enzymol.
, vol.87
, pp. 405-426
-
-
Ellis, K.J.1
Morrison, J.F.2
-
19
-
-
0019328545
-
Kinetic of ternary complex formation between dihydrofolate reductase, coenzyme and inhibitor
-
Dunn, S. M. J., and R. W. King. Kinetic of ternary complex formation between dihydrofolate reductase, coenzyme and inhibitor. Biochemistry 19:766-733 (1980).
-
(1980)
Biochemistry
, vol.19
, pp. 766-1733
-
-
Dunn, S.M.J.1
King, R.W.2
-
20
-
-
0017184389
-
A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the principle of protein-dye binding
-
Bradford, M. A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the principle of protein-dye binding. Anal. Biochem. 21:178-189 (1976).
-
(1976)
Anal. Biochem.
, vol.21
, pp. 178-189
-
-
Bradford, M.1
-
21
-
-
0021636975
-
Regression analysis of nonlinear Arrhenius plots: An empirical model and a computer program
-
Duggleby, R. G. Regression analysis of nonlinear Arrhenius plots: an empirical model and a computer program. Comput. Biol. Med. 14:447-455 (1984).
-
(1984)
Comput. Biol. Med.
, vol.14
, pp. 447-455
-
-
Duggleby, R.G.1
-
22
-
-
0018759051
-
Methotrexate, a high affinity pseudosubstrate of dihydrofolate reductase
-
Williams, J. W., J. F. Morrison, and R. G. Duggleby. Methotrexate, a high affinity pseudosubstrate of dihydrofolate reductase Biochemistry 18: 2567-2573 (1979).
-
(1979)
Biochemistry
, vol.18
, pp. 2567-2573
-
-
Williams, J.W.1
Morrison, J.F.2
Duggleby, R.G.3
-
23
-
-
0018699952
-
The kinetics of reversible tight binding inhibition
-
Williams, J. W., and J. F. Morrison. The kinetics of reversible tight binding inhibition. Methods Enzymol. 63:437-467 (1979).
-
(1979)
Methods Enzymol.
, vol.63
, pp. 437-467
-
-
Williams, J.W.1
Morrison, J.F.2
-
24
-
-
0021915972
-
Dihydrofolate reductase: The stereochemistry of inhibitor selectivity
-
Matthews, D. A., J. T. Bohn, J. M. Burridge, D. J Filman, K. W. Volz, B. T. Kaufman, C. R. Beddell, J. N. Champness, D. K. Stammers, and J. Kraut. Dihydrofolate reductase: the stereochemistry of inhibitor selectivity. J. Biol. Chem. 260:381-391 (1985).
-
(1985)
J. Biol. Chem.
, vol.260
, pp. 381-391
-
-
Matthews, D.A.1
Bohn, J.T.2
Burridge, J.M.3
Filman, D.J.4
Volz, K.W.5
Kaufman, B.T.6
Beddell, C.R.7
Champness, J.N.8
Stammers, D.K.9
Kraut, J.10
-
25
-
-
0023931977
-
Crystal structure of human dihydrofolate reductase complexed with folate
-
Oefner, C., A. D'Arcy, and F. K. Winkler. Crystal structure of human dihydrofolate reductase complexed with folate. Eur. J. Biochem. 174:377-385 (1988).
-
(1988)
Eur. J. Biochem.
, vol.174
, pp. 377-385
-
-
Oefner, C.1
D'Arcy, A.2
Winkler, F.K.3
-
26
-
-
0025325955
-
Unusual transient- and steady-state behavior is predicted by the kinetic scheme operational for recombinant human dihydrofolate reductase
-
Appleman, J. R., W. A. Beard, T. J. Delcamp, N. J. Prendergast, J. H. Freisheim, and R. L. Blakley. Unusual transient- and steady-state behavior is predicted by the kinetic scheme operational for recombinant human dihydrofolate reductase. J. Biol. Chem. 265:2740-2748 (1990).
-
(1990)
J. Biol. Chem.
, vol.265
, pp. 2740-2748
-
-
Appleman, J.R.1
Beard, W.A.2
Delcamp, T.J.3
Prendergast, N.J.4
Freisheim, J.H.5
Blakley, R.L.6
-
27
-
-
0028017548
-
Critical role of phenylalanine 34 of human dihydrofolate reductase in substrate and inhibitor binding and in catalysis
-
Nakano, T., H. T. Spencer, J. R. Appleman, and R. L. Blakley. Critical role of phenylalanine 34 of human dihydrofolate reductase in substrate and inhibitor binding and in catalysis. Biochemistry 33:9945-9952 (1994).
-
(1994)
Biochemistry
, vol.33
, pp. 9945-9952
-
-
Nakano, T.1
Spencer, H.T.2
Appleman, J.R.3
Blakley, R.L.4
-
28
-
-
0020060362
-
Overproduction of dihydrofolate reductase and gene amplification in methotrexate-resistant Chinese hamster ovary cells
-
Flintoff, W. F., M. K. Weber, C. R. Nagainis, A. K. Essani, D. Robertson, and W. Salser. Overproduction of dihydrofolate reductase and gene amplification in methotrexate-resistant Chinese hamster ovary cells. Mol. Cell. Biol. 2:275-285 (1982)
-
(1982)
Mol. Cell. Biol.
, vol.2
, pp. 275-285
-
-
Flintoff, W.F.1
Weber, M.K.2
Nagainis, C.R.3
Essani, A.K.4
Robertson, D.5
Salser, W.6
-
29
-
-
0025037428
-
Crystal structures of recombinant human dihydrofolate reductase complexed with folate and 5-deazafolate
-
Davies, J F., T. J. Delcamp, N. J. Prendergast, V. A. Ashford, J. H. Freisheim, and J. Kraut. Crystal structures of recombinant human dihydrofolate reductase complexed with folate and 5-deazafolate. Biochemistry 29:9467-9479 (1990).
-
(1990)
Biochemistry
, vol.29
, pp. 9467-9479
-
-
Davies, J.F.1
Delcamp, T.J.2
Prendergast, N.J.3
Ashford, V.A.4
Freisheim, J.H.5
Kraut, J.6
-
30
-
-
3142600812
-
Mutations at hydrophobic residues in dihydrofolate reductase
-
(H-C. Curtis, S. Ghisla, and N. Blau, eds.). de Gruyter, Berlin
-
Schweitzer, B. I., H. Gritsman, A. P. Dicker, M. Volkenandt, and J. R. Bertino. Mutations at hydrophobic residues in dihydrofolate reductase, in Chemistry and Biology of Pteridines: Pteridines and Folic Acid Derivatives (H-C. Curtis, S. Ghisla, and N. Blau, eds.). de Gruyter, Berlin, 760-764 (1990).
-
(1990)
Chemistry and Biology of Pteridines: Pteridines and Folic Acid Derivatives
, pp. 760-764
-
-
Schweitzer, B.I.1
Gritsman, H.2
Dicker, A.P.3
Volkenandt, M.4
Bertino, J.R.5
-
31
-
-
0024402297
-
Hydride transfer by dihydrofolate reductase: Causes and sequences of the wide range of rates exhibited by bacterial and vertebrate enzymes
-
Beard, W. A., J. R. Appleman, T. J. Delcamp, J. H. Freisheim, and R. L. Blakley. Hydride transfer by dihydrofolate reductase: causes and sequences of the wide range of rates exhibited by bacterial and vertebrate enzymes. J. Biol. Chem. 264:9391-9399 (1989).
-
(1989)
J. Biol. Chem.
, vol.264
, pp. 9391-9399
-
-
Beard, W.A.1
Appleman, J.R.2
Delcamp, T.J.3
Freisheim, J.H.4
Blakley, R.L.5
-
32
-
-
0028241517
-
Methotrexate-resistant variants of human dihydrofolate reductase
-
Chunduru, S. K., V. Cody, J. R. Luft, W. Pangborn, J. R. Appleman, and R. L. Blakley. Methotrexate-resistant variants of human dihydrofolate reductase J. Biol. Chem. 269:9547-9555 (1994).
-
(1994)
J. Biol. Chem.
, vol.269
, pp. 9547-9555
-
-
Chunduru, S.K.1
Cody, V.2
Luft, J.R.3
Pangborn, W.4
Appleman, J.R.5
Blakley, R.L.6
-
33
-
-
3142636728
-
Conformational analysis of human dihydrofolate reductase inhibitor complexes: Crystal structure determination of wild type and F31 mutant binary and ternary complexes
-
(J. E. Ayling, M. G. Nair, and C. M. Baugh, eds.). Plenum Press, New York
-
Cody, V., A. Wojtczak, T. I Kalman, J. H. Freisheim, and R. L. Blakley. Conformational analysis of human dihydrofolate reductase inhibitor complexes: crystal structure determination of wild type and F31 mutant binary and ternary complexes, in Chemistry and Biology of Pteridines and Folates. Pteridines and Folic Acid Derivatives (J. E. Ayling, M. G. Nair, and C. M. Baugh, eds.). Plenum Press, New York, 1481-1486 (1993).
-
(1993)
Chemistry and Biology of Pteridines and Folates. Pteridines and Folic Acid Derivatives
, pp. 1481-1486
-
-
Cody, V.1
Wojtczak, A.2
Kalman, T.I.3
Freisheim, J.H.4
Blakley, R.L.5
-
34
-
-
0025361947
-
Dihydrofolate reductase as a therapeutic target
-
Schweitzer, B. I., A. P. Dicker, and J. R. Bertino. Dihydrofolate reductase as a therapeutic target. FASEB J. 4:2441-2452 (1990).
-
(1990)
FASEB J.
, vol.4
, pp. 2441-2452
-
-
Schweitzer, B.I.1
Dicker, A.P.2
Bertino, J.R.3
-
35
-
-
0023730578
-
Kinetics of the formation and isomerization of methotrexate complexes of recombinant human dihydrofolate reductase
-
Appleman, J. R., N. Prendergast, T. J. Delcamp, J. H. Freisheim, and R. L. Biakley Kinetics of the formation and isomerization of methotrexate complexes of recombinant human dihydrofolate reductase. J. Biol. Chem. 263:10304-10313 (1988).
-
(1988)
J. Biol. Chem.
, vol.263
, pp. 10304-10313
-
-
Appleman, J.R.1
Prendergast, N.2
Delcamp, T.J.3
Freisheim, J.H.4
Biakley, R.L.5
-
36
-
-
0026510218
-
Construction of a dominant selectable marker using a novel dihydrofolate reductase
-
Hussain, A , D. Lewis, M. Yu, and P. W. Melera. Construction of a dominant selectable marker using a novel dihydrofolate reductase. Gene 112: 179-188 (1992).
-
(1992)
Gene
, vol.112
, pp. 179-188
-
-
Hussain, A.1
Lewis, D.2
Yu, M.3
Melera, P.W.4
-
37
-
-
0028221796
-
Saturation mutagenesis at dihydrofolate reductase codons 22 and 31
-
Morris, J. A., and R. S. McIvor. Saturation mutagenesis at dihydrofolate reductase codons 22 and 31. Biochem. Pharmacol. 47:1207-1220 (1994).
-
(1994)
Biochem. Pharmacol.
, vol.47
, pp. 1207-1220
-
-
Morris, J.A.1
McIvor, R.S.2
-
38
-
-
0024989797
-
The dihydrofolate reductase-thymidylate synthase gene in the drug resistance malaria parasites
-
Hyde, J. E. The dihydrofolate reductase-thymidylate synthase gene in the drug resistance malaria parasites. Pharmacol. Ther. 48:45-59 (1990).
-
(1990)
Pharmacol. Ther.
, vol.48
, pp. 45-59
-
-
Hyde, J.E.1
-
39
-
-
3142576903
-
Resistance to methotrexate in experimental models and in patients
-
(H.-C. Curtis, S. Ghisla, and N. Blau, eds.). de Gruyter, Berlin
-
Bertino, J. R., A. Romanini, A. P. Dicker, M. Volkenant, J. T. Lin, and B. I. Schweitzer. Resistance to methotrexate in experimental models and in patients, in Chemistry and Biology of Pteridines: Pteridines and Folic Acid Derivatives (H.-C. Curtis, S. Ghisla, and N. Blau, eds.). de Gruyter, Berlin, 1089-1099 (1990).
-
(1990)
Chemistry and Biology of Pteridines: Pteridines and Folic Acid Derivatives
, pp. 1089-1099
-
-
Bertino, J.R.1
Romanini, A.2
Dicker, A.P.3
Volkenant, M.4
Lin, J.T.5
Schweitzer, B.I.6
-
40
-
-
0028920025
-
Methotrexate-resistant variants of human dihydrofolate reductase with substitutions of leucine 22
-
Lewis S. W., V. Cody, N. Galitsky, J. R. Luft, W. Pangborn, S. K. Chunduru, H. T. Spencer, J. R. Appleman, and R. L. Blakley. Methotrexate-resistant variants of human dihydrofolate reductase with substitutions of leucine 22. J. Biol. Chem. 270:5057-5064 (1995).
-
(1995)
J. Biol. Chem.
, vol.270
, pp. 5057-5064
-
-
Lewis, S.W.1
Cody, V.2
Galitsky, N.3
Luft, J.R.4
Pangborn, W.5
Chunduru, S.K.6
Spencer, H.T.7
Appleman, J.R.8
Blakley, R.L.9
|