An orphan nuclear receptor activated by pregnanes defines a novel steroid signaling pathway

Steven A. Kliewer, John T. Moore, Laura Wade, Jeff L. Staudinger, Michael A. Watson, Stacey A. Jones, David D. McKee, Beverly B. Oliver, Timothy M. Willson, Rolf H. Zetterström, Thomas Perlmann, Jürgen M. Lehmann

Research output: Contribution to journalArticle

1207 Citations (Scopus)

Abstract

Steroid hormones exert profound effects on differentiation, development, and homeostasis in higher eukaryotes through interactions with nuclear receptors. We describe a novel orphan nuclear receptor, termed the pregnane X receptor (PXR), that is activated by naturally occurring steroids such as pregnenolone and progesterone, and synthetic glucocorticoids and anti- glucocorticoids. PXR exists as two isoforms, PXR.1 and PXR.2, that are differentially activated by steroids. Notably, PXR.1 is efficaciously activated by pregnenolone 16α-carbonitrile, a glucocorticoid receptor antagonist that induces the expression of the CYP3A family of steroid hydroxylases and modulates sterol and bile acid biosynthesis in vivo. Our results provide evidence for the existence of a novel steroid hormone signaling pathway with potential implications in the regulation of steroid hormone and sterol homeostasis.

Original languageEnglish (US)
Pages (from-to)73-82
Number of pages10
JournalCell
Volume92
Issue number1
DOIs
StatePublished - Jan 9 1998

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Steroid hormones
Orphan Nuclear Receptors
Pregnanes
Steroids
Sterols
Glucocorticoids
Steroid Hydroxylases
Cytochrome P-450 CYP3A
Hormones
Pregnenolone
Biosynthesis
Glucocorticoid Receptors
Cytoplasmic and Nuclear Receptors
Bile Acids and Salts
Homeostasis
Pregnenolone Carbonitrile
Progesterone
Protein Isoforms
Eukaryota
pregnane X receptor

ASJC Scopus subject areas

  • Cell Biology
  • Molecular Biology

Cite this

Kliewer, S. A., Moore, J. T., Wade, L., Staudinger, J. L., Watson, M. A., Jones, S. A., ... Lehmann, J. M. (1998). An orphan nuclear receptor activated by pregnanes defines a novel steroid signaling pathway. Cell, 92(1), 73-82. https://doi.org/10.1016/S0092-8674(00)80900-9

An orphan nuclear receptor activated by pregnanes defines a novel steroid signaling pathway. / Kliewer, Steven A.; Moore, John T.; Wade, Laura; Staudinger, Jeff L.; Watson, Michael A.; Jones, Stacey A.; McKee, David D.; Oliver, Beverly B.; Willson, Timothy M.; Zetterström, Rolf H.; Perlmann, Thomas; Lehmann, Jürgen M.

In: Cell, Vol. 92, No. 1, 09.01.1998, p. 73-82.

Research output: Contribution to journalArticle

Kliewer, SA, Moore, JT, Wade, L, Staudinger, JL, Watson, MA, Jones, SA, McKee, DD, Oliver, BB, Willson, TM, Zetterström, RH, Perlmann, T & Lehmann, JM 1998, 'An orphan nuclear receptor activated by pregnanes defines a novel steroid signaling pathway', Cell, vol. 92, no. 1, pp. 73-82. https://doi.org/10.1016/S0092-8674(00)80900-9
Kliewer, Steven A. ; Moore, John T. ; Wade, Laura ; Staudinger, Jeff L. ; Watson, Michael A. ; Jones, Stacey A. ; McKee, David D. ; Oliver, Beverly B. ; Willson, Timothy M. ; Zetterström, Rolf H. ; Perlmann, Thomas ; Lehmann, Jürgen M. / An orphan nuclear receptor activated by pregnanes defines a novel steroid signaling pathway. In: Cell. 1998 ; Vol. 92, No. 1. pp. 73-82.
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