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9. Transfection of a nonactive site mutant murine DHFR cDNA (the tryptophan 15 mutant) into Chinese hamster ovary and mouse marrow progenitor cells imparts MTX resistance in vitro. Banerjee D; Zhao SC; Tong Y; Steinherz J; Gritsman K; Bertino JR Cancer Gene Ther; 1994 Sep; 1(3):181-4. PubMed ID: 7621249 [TBL] [Abstract][Full Text] [Related]
10. Transgenic mice expressing the tyr22 variant of murine DHFR: protection of transgenic marrow transplant recipients from lethal doses of methotrexate. James RI; May C; Vagt MD; Studebaker R; McIvor RS Exp Hematol; 1997 Nov; 25(12):1286-95. PubMed ID: 9357973 [TBL] [Abstract][Full Text] [Related]
11. A single point mutation in Drosophila dihydrofolate reductase confers methotrexate resistance to a transgenic CHO cell line. Neumann K; Al-Batayneh KM; Kuiper MJ; Parsons-Sheldrake J; Tyshenko MG; Flintoff WF; Cole SP; Walker VK Genome; 2003 Aug; 46(4):707-15. PubMed ID: 12897877 [TBL] [Abstract][Full Text] [Related]
12. Selective expression of methotrexate-resistant dihydrofolate reductase (DHFR) activity in mice transduced with DHFR retrovirus and administered methotrexate. Vinh DB; McIvor RS J Pharmacol Exp Ther; 1993 Nov; 267(2):989-96. PubMed ID: 8246174 [TBL] [Abstract][Full Text] [Related]
13. Understanding the role of Leu22 variants in methotrexate resistance: comparison of wild-type and Leu22Arg variant mouse and human dihydrofolate reductase ternary crystal complexes with methotrexate and NADPH. Cody V; Luft JR; Pangborn W Acta Crystallogr D Biol Crystallogr; 2005 Feb; 61(Pt 2):147-55. PubMed ID: 15681865 [TBL] [Abstract][Full Text] [Related]
14. Allelic variation in the dihydrofolate reductase gene at amino acid position 95 contributes to antifolate resistance in Chinese hamster cells. Yu M; Melera PW Cancer Res; 1993 Dec; 53(24):6031-5. PubMed ID: 8261418 [TBL] [Abstract][Full Text] [Related]
15. Dihydrofolate reductase activity in adriamycin and methotrexate sensitive and resistant P388 leukemia cells. Mandelbaum-Shavit F; Ramu A Cell Biol Int Rep; 1987 May; 11(5):389-96. PubMed ID: 3607890 [TBL] [Abstract][Full Text] [Related]
16. Selection for the expression of one form of Chinese hamster dihydrofolate reductase over another during growth in methotrexate. Hussain A; Yang H; Protzman J; Melera PW Gene; 1994 Jul; 144(2):277-82. PubMed ID: 8039714 [TBL] [Abstract][Full Text] [Related]
17. Increasing methotrexate resistance by combination of active-site mutations in human dihydrofolate reductase. Volpato JP; Fossati E; Pelletier JN J Mol Biol; 2007 Oct; 373(3):599-611. PubMed ID: 17868689 [TBL] [Abstract][Full Text] [Related]
18. Expression of variant dihydrofolate reductase with decreased binding affinity to antifolates in MOLT-3 human leukemia cell lines resistant to trimetrexate. Miyachi H; Takemura Y; Kobayashi H; Ando Y Cancer Lett; 1995 Jan; 88(1):93-9. PubMed ID: 7850779 [TBL] [Abstract][Full Text] [Related]
19. Selection for methotrexate resistance in mammalian cells bearing a Drosophila dihydrofolate reductase transgene: Methotrexate resistance in transgenic mammalian cells. Affleck JG; Nowickyj SM; Walker VK Cell Biol Toxicol; 2010 Apr; 26(2):117-26. PubMed ID: 19337845 [TBL] [Abstract][Full Text] [Related]
20. Methotrexate-resistant Chinese hamster ovary cells contain a dihydrofolate reductase with an altered affinity for methotrexate. Flintoff WF; Essani K Biochemistry; 1980 Sep; 19(18):4321-7. PubMed ID: 7417407 [TBL] [Abstract][Full Text] [Related] [Next] [New Search]