A Novel Point Mutation in Helix 11 of the Ligand-Binding Domain of the Human Glucocorticoid Receptor Gene Causing Generalized Glucocorticoid Resistance
Author(s) -
Evangelia Charmandari,
Tomoshige Kino,
Takamasa Ichijo,
William Jubiz,
Liliana María Cardona Mejía,
Keith Zachman,
George P. Chrousos
Publication year - 2007
Publication title -
the journal of clinical endocrinology and metabolism
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.206
H-Index - 353
eISSN - 1945-7197
pISSN - 0021-972X
DOI - 10.1210/jc.2006-2830
Subject(s) - glucocorticoid receptor , glucocorticoid , coactivator , nuclear receptor coactivator 2 , biology , nuclear receptor , point mutation , endocrinology , receptor , mutant , ligand (biochemistry) , medicine , microbiology and biotechnology , gene , biochemistry , transcription factor
Generalized glucocorticoid resistance is a rare condition characterized by partial, end-organ insensitivity to glucocorticoids, compensatory elevations in adrenocorticotropic hormone and cortisol secretion, and increased production of adrenal steroids with androgenic and/or mineralocorticoid activity. We have identified a new case of glucocorticoid resistance caused by a novel mutation of the human glucocorticoid receptor (hGR) gene and studied the molecular mechanisms through which the mutant receptor impairs glucocorticoid signal transduction.
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