A functional retinoic acid receptor encoded by the gene on human chromosome 12

Takashi Ishikawa, Kazuhiko Umesono, David J. Mangelsdorf, Hiroyuki Aburatani, Ben Z. Stanger, Yoshikazu Shibasaki, Michio Imawari, Ronald M. Evans, Fumimaro Takaku

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Abstract

A cDNA clone derived from a human hepatocellular carcinoma has been isolated on the basis of homology to the α human retinoic acid receptor (RARα) gene. Expression of this cDNA produces a high affinity nuclear binding protein for retinoic acid. The product of this clone when expressed in transfected cells is able to activate transcription of a reporter plasmid through specific DNA sequences in response to the addition of retinoic acid to the medium. Dose-dependent profiles upon trans-activation of the reporter indicate that apparent sensitivity to retinoic acid of this protein is approximately 10-fold higher than that of human RARα and is comparable to that of the second human RAR, RARβ. This gene has been mapped to human chromosome 12, which is distinct from those coding for either α or β RAR, and thus encodes a third human RAR.

Original languageEnglish (US)
Pages (from-to)837-844
Number of pages8
JournalMolecular Endocrinology
Volume4
Issue number6
DOIs
StatePublished - Jun 1990

ASJC Scopus subject areas

  • Molecular Biology
  • Endocrinology

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    Ishikawa, T., Umesono, K., Mangelsdorf, D. J., Aburatani, H., Stanger, B. Z., Shibasaki, Y., Imawari, M., Evans, R. M., & Takaku, F. (1990). A functional retinoic acid receptor encoded by the gene on human chromosome 12. Molecular Endocrinology, 4(6), 837-844. https://doi.org/10.1210/mend-4-6-837