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22. Kinetic investigation of methotrexate resistant human dihydrofolate reductase (hDHFR) mutants at Phe31. Chunduru SK; Appleman JR; Blakley RL Adv Exp Med Biol; 1993; 338():507-10. PubMed ID: 8304168 [No Abstract] [Full Text] [Related]
23. Detection of a single base mutation in the human dihydrofolate reductase gene from a methotrexate-resistant cell line using the polymerase chain reaction. Dicker AP; Volkenandt M; Bertino JR Cancer Commun; 1989; 1(1):7-12. PubMed ID: 2640157 [TBL] [Abstract][Full Text] [Related]
24. Properties of an altered dihydrofolate reductase encoded by amplified genes in cultured mouse fibroblasts. Haber DA; Beverley SM; Kiely ML; Schimke RT J Biol Chem; 1981 Sep; 256(18):9501-10. PubMed ID: 7287696 [TBL] [Abstract][Full Text] [Related]
25. Effects of 5-fluorouracil on dihydrofolate reductase and dihydrofolate reductase mRNA from methotrexate-resistant KB cells. Dolnick BJ; Pink JJ J Biol Chem; 1985 Mar; 260(5):3006-14. PubMed ID: 3972814 [TBL] [Abstract][Full Text] [Related]
26. Expression of a methotrexate-resistant dihydrofolate reductase gene by transformed hematopoietic cells of mice. Bar-Eli M; Stang HD; Mercola KE; Cline MJ Somatic Cell Genet; 1983 Jan; 9(1):55-67. PubMed ID: 6836451 [TBL] [Abstract][Full Text] [Related]
27. Chromosomal and extrachromosomal localization of amplified dihydrofolate reductase genes in cultured mammalian cells. Schimke RT; Brown PC; Kaufman RJ; McGrogan M; Slate DL Cold Spring Harb Symp Quant Biol; 1981; 45 Pt 2():785-97. PubMed ID: 6942951 [No Abstract] [Full Text] [Related]
28. Amplification and organization of dihydrofolate reductase genes in a human leukemic cell line, K-562, resistant to methotrexate. Srimatkandada S; Medina WD; Cashmore AR; Whyte W; Engel D; Moroson BA; Franco CT; Dube SK; Bertino JR Biochemistry; 1983 Dec; 22(25):5774-81. PubMed ID: 6661412 [TBL] [Abstract][Full Text] [Related]
29. Use of variants of dihydrofolate reductase in gene transfer to produce resistance to methotrexate and trimetrexate. Bertino JR; Zhao SC; Mineishi S; Ercikan-Abali EA; Banerjee D Prog Exp Tumor Res; 1999; 36():82-94. PubMed ID: 10386066 [No Abstract] [Full Text] [Related]
30. Synthesis of dihydrofolate reductase and metabolism of related RNA in a methotrexate resistant human cell line infected with herpes simplex virus type 2. Bastow KF; Bouchard J; Ren XJ; Cheng YC Virology; 1986 Mar; 149(2):199-207. PubMed ID: 2418585 [TBL] [Abstract][Full Text] [Related]
31. Properties of a methotrexate-insensitive variant of dihydrofolate reductase derived from methotrexate-resistant L5178Y cells. Goldie JH; Dedhar S; Krystal G J Biol Chem; 1981 Nov; 256(22):11629-35. PubMed ID: 7298621 [TBL] [Abstract][Full Text] [Related]
32. Increased dihydrofolate reductase, double minutes and increased nucleolar activation in methotrexate-resistant HeLa cells. Delinassios JG; Talieri MJ Experientia; 1983 Dec; 39(12):1394-5. PubMed ID: 6653732 [No Abstract] [Full Text] [Related]
33. Sequential amplification of dihydrofolate reductase and multidrug resistance genes in Chinese hamster ovary cells selected for stepwise resistance to the lipid-soluble antifolate trimetrexate. Assaraf YG; Molina A; Schimke RT J Biol Chem; 1989 Nov; 264(31):18326-34. PubMed ID: 2572592 [TBL] [Abstract][Full Text] [Related]
34. Mutations of human dihydrofolate reductase causing decreased inhibition by methotrexate. Blakley RL; Appleman JR; Chunduru SK; Nakano T; Lewis WS; Harris SE Adv Exp Med Biol; 1993; 338():473-9. PubMed ID: 8304162 [No Abstract] [Full Text] [Related]