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Mitogen-activated protein kinases enhance long-range activation by the beta-globin locus control region.

Publication ,  Journal Article
Versaw, WK; Blank, V; Andrews, NM; Bresnick, EH
Published in: Proceedings of the National Academy of Sciences of the United States of America
July 1998

The human beta-globin locus control region (LCR), which consists of four erythroid-specific DNase I hypersensitive sites (HS1-HS4), functions over a long distance to control the transcription, chromatin structure, and replication of the beta-globin genes. We have used stable transfection assays to show that activation of the mitogen-activated protein (MAP) kinase pathway by low concentrations of the phorbol ester phorbol 12-tetradecanoate 13-acetate (TPA) induces enhancer activity of the LCR subregion HS2, but not HS3. Although HS2 enhancer activity is diminished with increasing distance from the promoter, the relative level of induction by TPA is independent of HS2-promoter distance. Mutation of cis-elements within HS2 reveals that the tandem-binding sites for the hematopoietic-specific transcription factor NF-E2 are required for induction by TPA, and induction is conferred by expressing NF-E2 in an NF-E2-null cell line. These results show that MAP kinases target factors functioning through the NF-E2 sites to enhance long-range transactivation by the LCR.

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Published In

Proceedings of the National Academy of Sciences of the United States of America

DOI

EISSN

1091-6490

ISSN

0027-8424

Publication Date

July 1998

Volume

95

Issue

15

Start / End Page

8756 / 8760

Related Subject Headings

  • Tumor Cells, Cultured
  • Transcription Factors
  • Tetradecanoylphorbol Acetate
  • Signal Transduction
  • Promoter Regions, Genetic
  • NF-E2 Transcription Factor, p45 Subunit
  • NF-E2 Transcription Factor
  • Locus Control Region
  • Humans
  • Globins
 

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Versaw, W. K., Blank, V., Andrews, N. M., & Bresnick, E. H. (1998). Mitogen-activated protein kinases enhance long-range activation by the beta-globin locus control region. Proceedings of the National Academy of Sciences of the United States of America, 95(15), 8756–8760. https://doi.org/10.1073/pnas.95.15.8756
Versaw, W. K., V. Blank, N. M. Andrews, and E. H. Bresnick. “Mitogen-activated protein kinases enhance long-range activation by the beta-globin locus control region.Proceedings of the National Academy of Sciences of the United States of America 95, no. 15 (July 1998): 8756–60. https://doi.org/10.1073/pnas.95.15.8756.
Versaw WK, Blank V, Andrews NM, Bresnick EH. Mitogen-activated protein kinases enhance long-range activation by the beta-globin locus control region. Proceedings of the National Academy of Sciences of the United States of America. 1998 Jul;95(15):8756–60.
Versaw, W. K., et al. “Mitogen-activated protein kinases enhance long-range activation by the beta-globin locus control region.Proceedings of the National Academy of Sciences of the United States of America, vol. 95, no. 15, July 1998, pp. 8756–60. Epmc, doi:10.1073/pnas.95.15.8756.
Versaw WK, Blank V, Andrews NM, Bresnick EH. Mitogen-activated protein kinases enhance long-range activation by the beta-globin locus control region. Proceedings of the National Academy of Sciences of the United States of America. 1998 Jul;95(15):8756–8760.
Journal cover image

Published In

Proceedings of the National Academy of Sciences of the United States of America

DOI

EISSN

1091-6490

ISSN

0027-8424

Publication Date

July 1998

Volume

95

Issue

15

Start / End Page

8756 / 8760

Related Subject Headings

  • Tumor Cells, Cultured
  • Transcription Factors
  • Tetradecanoylphorbol Acetate
  • Signal Transduction
  • Promoter Regions, Genetic
  • NF-E2 Transcription Factor, p45 Subunit
  • NF-E2 Transcription Factor
  • Locus Control Region
  • Humans
  • Globins