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4. Amplified dihydrofolate reductase genes in unstably methotrexate-resistant cells are associated with double minute chromosomes. Kaufman RJ; Brown PC; Schimke RT Proc Natl Acad Sci U S A; 1979 Nov; 76(11):5669-73. PubMed ID: 293670 [TBL] [Abstract][Full Text] [Related]
5. Molecular structure and evolution of double-minute chromosomes in methotrexate-resistant cultured mouse cells. Hahn PJ; Nevaldine B; Longo JA Mol Cell Biol; 1992 Jul; 12(7):2911-8. PubMed ID: 1620104 [TBL] [Abstract][Full Text] [Related]
6. Unstable DNA amplifications in methotrexate-resistant Leishmania consist of extrachromosomal circles which relocalize during stabilization. Beverley SM; Coderre JA; Santi DV; Schimke RT Cell; 1984 Sep; 38(2):431-9. PubMed ID: 6467372 [TBL] [Abstract][Full Text] [Related]
7. Amplification of a cloned Chinese hamster dihydrofolate reductase gene after transfer into a dihydrofolate reductase-deficient cell line. Milbrandt JD; Azizkhan JC; Hamlin JL Mol Cell Biol; 1983 Jul; 3(7):1274-82. PubMed ID: 6310371 [TBL] [Abstract][Full Text] [Related]
8. Relationship of amplified dihydrofolate reductase genes to double minute chromosomes in unstably resistant mouse fibroblast cell lines. Brown PC; Beverley SM; Schimke RT Mol Cell Biol; 1981 Dec; 1(12):1077-83. PubMed ID: 6287217 [TBL] [Abstract][Full Text] [Related]
9. Loss and stabilization of amplified dihydrofolate reductase genes in mouse sarcoma S-180 cell lines. Kaufman RJ; Brown PC; Schimke RT Mol Cell Biol; 1981 Dec; 1(12):1084-93. PubMed ID: 7346713 [TBL] [Abstract][Full Text] [Related]
10. Structure and organization of a stable extrachromosomal element in human cells. Esnault C; Lee H; Lai E Gene; 1994 Jul; 144(2):205-11. PubMed ID: 7518788 [TBL] [Abstract][Full Text] [Related]
11. Chromosome-mediated transfer and amplification of an altered mouse dihydrofolate reductase gene. Haber DA; Schimke RT Somatic Cell Genet; 1982 Jul; 8(4):499-508. PubMed ID: 7123452 [TBL] [Abstract][Full Text] [Related]
12. Novel submicroscopic extrachromosomal elements containing amplified genes in human cells. Maurer BJ; Lai E; Hamkalo BA; Hood L; Attardi G Nature; 1987 Jun 4-10; 327(6121):434-7. PubMed ID: 3587364 [TBL] [Abstract][Full Text] [Related]
13. Analysis of dihydrofolate reductase gene amplification in a methotrexate-resistant human tumor cell line. Meltzer PS; Cheng YC; Trent JM Cancer Genet Cytogenet; 1985 Aug; 17(4):289-300. PubMed ID: 4016714 [TBL] [Abstract][Full Text] [Related]
14. 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]
15. Selective amplification in methotrexate-resistant mouse cells of an artificial dihydrofolate reductase transcription unit making use of cryptic splicing and polyadenylation sites. Breathnach R EMBO J; 1984 Apr; 3(4):901-8. PubMed ID: 6202514 [TBL] [Abstract][Full Text] [Related]
16. An amplified insect dihydrofolate reductase gene contains a single intron. Shotkoski FA; Fallon AM Eur J Biochem; 1991 Oct; 201(1):157-60. PubMed ID: 1915358 [TBL] [Abstract][Full Text] [Related]
17. 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]
18. Quantitative correlation of homogeneously stained regions on chromosome 10 with dihydrofolate reductase enzyme in human cells. Wolman SR; Craven ML; Grill SP; Domin BA; Cheng YC Proc Natl Acad Sci U S A; 1983 Feb; 80(3):807-9. PubMed ID: 6572370 [TBL] [Abstract][Full Text] [Related]
19. 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]
20. A new myeloblastic leukemia cell line with double minute chromosomes. Induction of methotrexate resistance and dihydrofolate reductase gene amplification. Saito H; Kishi K; Narita M; Furukawa T; Nagura E; Maekawa T; Abe T; Shibata A Leuk Res; 1992; 16(3):217-26. PubMed ID: 1560671 [TBL] [Abstract][Full Text] [Related] [Next] [New Search]