These tools will no longer be maintained as of December 31, 2024. Archived website can be found here. PubMed4Hh GitHub repository can be found here. Contact NLM Customer Service if you have questions.
2. Amplification and expression of foreign genes in cells producing polyoma virus large T-antigen. Pellegrini S; Basilico C Oncogene Res; 1987 Jun; 1(1):23-41. PubMed ID: 2835727 [TBL] [Abstract][Full Text] [Related]
3. Potentiation of carcinogen-induced methotrexate resistance and dihydrofolate reductase gene amplification by inhibitors of poly(adenosine diphosphate-ribose) polymerase. Bürkle A; Heilbronn R; zur Hausen H Cancer Res; 1990 Sep; 50(18):5756-60. PubMed ID: 2118419 [TBL] [Abstract][Full Text] [Related]
4. 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]
5. A comparison of the propensity for gene amplification between near-tetraploid and near-diploid V79 clones resistant to 150 nM methotrexate. Hashimoto MW; Nikaido O; Kobayashi N; Chang CC; Trosko JE; Mori T Carcinogenesis; 1996 Mar; 17(3):389-94. PubMed ID: 8631121 [TBL] [Abstract][Full Text] [Related]
6. Stimulation of methotrexate resistance and dihydrofolate reductase gene amplification by c-myc. Denis N; Kitzis A; Kruh J; Dautry F; Corcos D Oncogene; 1991 Aug; 6(8):1453-7. PubMed ID: 1886715 [TBL] [Abstract][Full Text] [Related]
7. DHFR gene amplification in cultured skin fibroblasts of ataxia telangiectasia patients after methotrexate selection. Lücke-Huhle C; Hinrichs S; Speit G Carcinogenesis; 1987 Dec; 8(12):1801-6. PubMed ID: 2824082 [TBL] [Abstract][Full Text] [Related]
8. [Mechanisms of development of resistance to methotrexate in choriocarcinoma cells]. Sakai K Hokkaido Igaku Zasshi; 1986 Sep; 61(5):649-61. PubMed ID: 3781466 [TBL] [Abstract][Full Text] [Related]
9. Increased methotrexate resistance and dhfr gene amplification as a consequence of induced Ha-ras expression in NIH 3T3 cells. Wani MA; Xu X; Stambrook PJ Cancer Res; 1994 May; 54(9):2504-8. PubMed ID: 8162600 [TBL] [Abstract][Full Text] [Related]
10. Selective overproduction of human dihydrofolate reductase in a methotrexate-resistant human-mouse somatic cell hybrid. Sastry KJ; Chan TS; Rodriguez LV Biochem Biophys Res Commun; 1985 Oct; 132(2):795-803. PubMed ID: 4062946 [TBL] [Abstract][Full Text] [Related]
11. Simian virus 40 large tumor antigen alone or two cooperating oncogenes convert REF52 cells to a state permissive for gene amplification. Perry ME; Commane M; Stark GR Proc Natl Acad Sci U S A; 1992 Sep; 89(17):8112-6. PubMed ID: 1325647 [TBL] [Abstract][Full Text] [Related]
12. Molecular mechanisms of resistance to antifolates, a review. Banerjee D; Ercikan-Abali E; Waltham M; Schnieders B; Hochhauser D; Li WW; Fan J; Gorlick R; Goker E; Bertino JR Acta Biochim Pol; 1995; 42(4):457-64. PubMed ID: 8852336 [TBL] [Abstract][Full Text] [Related]
13. Role of the locus and of the resistance gene on gene amplification frequency in methotrexate resistant Leishmania tarentolae. Kündig C; Leblanc E; Papadopoulou B; Ouellette M Nucleic Acids Res; 1999 Sep; 27(18):3653-9. PubMed ID: 10471733 [TBL] [Abstract][Full Text] [Related]
14. Transfection of DHFR- and DHFR+ mammalian cells using methotrexate-resistant mutants of mouse dihydrofolate reductase. Thillet J; Pictet R FEBS Lett; 1990 Sep; 269(2):450-3. PubMed ID: 2401371 [TBL] [Abstract][Full Text] [Related]
15. X-ray induction of methotrexate resistance due to dhfr gene amplification. Hahn P; Nevaldine B; Morgan WF Somat Cell Mol Genet; 1990 Sep; 16(5):413-23. PubMed ID: 2122527 [TBL] [Abstract][Full Text] [Related]
16. Phenotypic resistance to methotrexate and N-phosphonacetyl L-aspartate is induced by treatment with 12-O-tetradecanoylphorbol-13-acetate (TPA). Kinsella AR; Fox M Int J Cancer; 1988 Jul; 42(1):87-93. PubMed ID: 3391708 [TBL] [Abstract][Full Text] [Related]
17. Differential susceptibility to carcinogen-induced amplification of SV40 and dhfr sequences in SV40-transformed human keratinocytes. Rossman TG; Wolosin D Mol Carcinog; 1992; 6(3):203-13. PubMed ID: 1332730 [TBL] [Abstract][Full Text] [Related]
18. Plasmid amplification-promoting sequences from the origin region of Chinese hamster dihydrofolate reductase gene do not promote position-independent chromosomal gene amplification. Brinton BT; Heintz NH Chromosoma; 1995 Nov; 104(2):143-51. PubMed ID: 8585992 [TBL] [Abstract][Full Text] [Related]
19. 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; Schweitzer BI; Moroson BA; Dube S; Bertino JR J Biol Chem; 1989 Feb; 264(6):3524-8. PubMed ID: 2914962 [TBL] [Abstract][Full Text] [Related]
20. 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] [Next] [New Search]