The expression and chromatin structure of the chicken glyceraldehyde-3-phosphate dehydrogenase gene in mouse cells.

Sen, Subrata; Siciliano, Michael J.; Johnston, Dennis A.; Schwartz, Robert J.; Kuo, Tien

doi:10.1016/s0021-9258(18)89474-1

Cited by 4 publications

(1 citation statement)

References 37 publications

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“…Procedures for isolation of DNA and RNA, and for in situ hybridization were those described previously (27). For Southern blot hybridization, DNA was digested with restriction enzyme to completion.…”

Section: Other Proceduresmentioning

confidence: 99%

DNA amplification in multidrug, cross-resistant Chinese hamster ovary cells: molecular characterization and cytogenetic localization of the amplified DNA.

Teeter¹,

Atsumi²,

Sen³

et al. 1986

The Journal of Cell Biology

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Section: Other Proceduresmentioning

confidence: 99%

DNA amplification in multidrug, cross-resistant Chinese hamster ovary cells: molecular characterization and cytogenetic localization of the amplified DNA.

Teeter¹,

Atsumi²,

Sen³

et al. 1986

The Journal of Cell Biology

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Specific gene amplification associated with consistent chromosomal abnormality in independently established multidrug-resistant Chinese hamster ovary cells

1987

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Multidrug-resistant (MDR) Chinese hamster ovary (CHO) cell lines were established by selection for resistance to the toxicities of vinblastine (VB) and Adriamycin (AD) in progressively increasing drug concentrations. These cell lines have amplified the DNA sequence that has previously been shown to be amplified in another MDR CHO cell line which was selected with vincristine (VC). An overproduced 4.5 kb mRNA was detected in these MDR cell lines. We report here that the levels of DNA amplification and the 4.5 kb transcript do not correlate with the levels of drug resistance, suggesting that either translational control for the expression of the amplified gene is involved or multiple genes are participating in conferring drug resistance in these cell lines. The amplified DNA sequence was used as a probe and localized by in situ hybridization to chromosome 1q 26-28 (middle portion of the long arm) in the drug-sensitive CHO line, but proximal to the telomere of chromosome 1q in both VB- and AD-selected MDR cell lines. This is consistent with results that have been previously reported for the VC-selected MDR cell lines. Cytogenetic analyses revealed abnormal chromosomal banding patterns or homogeneously staining regions (HSR) between 1q 26-28 and the 1q ter in these independently established MDR lines. These results, taken together, suggest that chromosomal rearrangements leading to gene translocation have consistently accompanied gene amplification in these MDR cell lines. The mechanisms of translocation and its implication in multidrug resistance in these cell lines are discussed.

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Histone acetylation in replication and transcription: Turnover at specific acetylation sites in histone H4 from Physarum polycephalum

Pesis

Matthews

1986

Archives of Biochemistry and Biophysics

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The expression and chromatin structure of the chicken glyceraldehyde-3-phosphate dehydrogenase gene in mouse cells.

Cited by 4 publications

References 37 publications

DNA amplification in multidrug, cross-resistant Chinese hamster ovary cells: molecular characterization and cytogenetic localization of the amplified DNA.

DNA amplification in multidrug, cross-resistant Chinese hamster ovary cells: molecular characterization and cytogenetic localization of the amplified DNA.

Specific gene amplification associated with consistent chromosomal abnormality in independently established multidrug-resistant Chinese hamster ovary cells

Histone acetylation in replication and transcription: Turnover at specific acetylation sites in histone H4 from Physarum polycephalum

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