Isolation and characterization of a mouse L cell variant deficient in glucocorticoid receptors.

Biochemical and Biophysical Research Communications
P R Housley, A M Forsthoefel

Abstract

The growth of mouse L cell fibroblasts is inhibited by glucocorticoids, and we have selected spontaneous glucocorticoid-resistant L cells in culture. One cloned variant exhibits a stable phenotype in the absence of selective conditions. This variant contains no specific glucocorticoid-binding capacity, no immunoreactive glucocorticoid receptor protein, and no detectable glucocorticoid receptor messenger RNA. A glucocorticoid-dependent reporter gene requires exogenous glucocorticoid receptor cDNA and steroid in order to be expressed in this variant. Genomic DNA analysis of the variant cell line indicates that there has been no gross alteration in receptor gene structure. These results suggest that the variant may be deficient in transcription of the glucocorticoid receptor gene.

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Citations

Apr 1, 1995·Endocrine·V R MartinsP R Housley
Aug 1, 1994·The Journal of Steroid Biochemistry and Molecular Biology·G H FrostE A Thompson
Jun 7, 2005·Experimental Cell Research·Elisabeth D MartinezMark Danielsen
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Sep 10, 2013·EMBO Molecular Medicine·Christopher R HeierKanneboyina Nagaraju
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Oct 16, 2004·The Journal of Biological Chemistry·Jennifer M HarrellWilliam B Pratt
Feb 9, 2000·American Journal of Physiology. Lung Cellular and Molecular Physiology·I PetracheA M Choi

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