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4. Discrete human dihydrofolate reductase gene transcripts present in polysomal RNA map with their 5' ends several hundred nucleotides upstream of the main mRNA start site. Masters JN; Attardi G Mol Cell Biol; 1985 Mar; 5(3):493-500. PubMed ID: 2859520 [TBL] [Abstract][Full Text] [Related]
5. Saturation mutagenesis at dihydrofolate reductase codons 22 and 31. A variety of amino acid substitutions conferring methotrexate resistance. Morris JA; McIvor RS Biochem Pharmacol; 1994 Mar; 47(7):1207-20. PubMed ID: 8161350 [TBL] [Abstract][Full Text] [Related]
6. Methotrexate-resistant Chinese hamster ovary cells have amplified a 135-kilobase-pair region that includes the dihydrofolate reductase gene. Milbrandt JD; Heintz NH; White WC; Rothman SM; Hamlin JL Proc Natl Acad Sci U S A; 1981 Oct; 78(10):6043-7. PubMed ID: 6273843 [TBL] [Abstract][Full Text] [Related]
7. Molecular cloning of Chinese hamster dihydrofolate reductase-specific cDNA and the identification of multiple dihydrofolate reductase mRNAs in antifolate-resistant Chinese hamster lung fibroblasts. Lewis JA; Kurtz DT; Melera PW Nucleic Acids Res; 1981 Mar; 9(6):1311-22. PubMed ID: 6262725 [TBL] [Abstract][Full Text] [Related]
8. Dual bidirectional promoters at the mouse dhfr locus: cloning and characterization of two mRNA classes of the divergently transcribed Rep-1 gene. Linton JP; Yen JY; Selby E; Chen Z; Chinsky JM; Liu K; Kellems RE; Crouse GF Mol Cell Biol; 1989 Jul; 9(7):3058-72. PubMed ID: 2674679 [TBL] [Abstract][Full Text] [Related]
9. Heterogeneity at the 5' termini of mouse dihydrofolate reductase mRNAs. Evidence for multiple promoter regions. McGrogan M; Simonsen CC; Smouse DT; Farnham PJ; Schimke RT J Biol Chem; 1985 Feb; 260(4):2307-14. PubMed ID: 2982814 [TBL] [Abstract][Full Text] [Related]
10. Independent 5' and 3'-end determination of multiple dihydrofolate reductase transcripts. Yen JY; Kellems RE Mol Cell Biol; 1987 Oct; 7(10):3732-9. PubMed ID: 2446119 [TBL] [Abstract][Full Text] [Related]
17. Localization and sequence analysis of poly(A) sites generating multiple dihydrofolate reductase mRNAs. Hook AG; Kellems RE J Biol Chem; 1988 Feb; 263(5):2337-43. PubMed ID: 3339015 [TBL] [Abstract][Full Text] [Related]
18. The effects of differential polyadenylation on expression of the dihydrofolate reductase-encoding gene in Chinese hamster lung cells. Yang H; Hussain A; Melera PW Gene; 1995 Oct; 163(2):185-91. PubMed ID: 7590264 [TBL] [Abstract][Full Text] [Related]
19. Regulation of dihydrofolate reductase in human breast cancer cells and in mutant hamster cells transfected with a human dihydrofolate reductase minigene. Cowan KH; Goldsmith ME; Ricciardone MD; Levine R; Rubalcaba E; Jolivet J Mol Pharmacol; 1986 Jul; 30(1):69-76. PubMed ID: 3724746 [TBL] [Abstract][Full Text] [Related]
20. Human dihydrofolate reductase gene organization. Extensive conservation of the G + C-rich 5' non-coding sequence and strong intron size divergence from homologous mammalian genes. Yang JK; Masters JN; Attardi G J Mol Biol; 1984 Jun; 176(2):169-87. PubMed ID: 6235374 [TBL] [Abstract][Full Text] [Related] [Next] [New Search]