In the pituitary gland, activating mutations of the GNAS1 (Gsalpha) gene at Gln227 have been identified in adrenocorticotrophin secreting, growth hormone secreting, and prolactin secreting adenomas. To date, mutations at the codon encoding R201, typically underlying the McCune-Albright syndrome and isolated fibrous dysplasia of bone, have been demonstrated only in growth hormone secreting pituitary adenomas. In this study, a polymerase chain reaction amplified target sequence in exon 8 of the GNAS1 gene was sequenced, identifying the first R201 mutation seen in an isolated basophilic adenoma which generated Cushing's disease in a child. This case adds Cushing's disease to the range of human diseases caused by R201 mutations of the GNAS1 gene.

An R201H activating mutation of the GNAS1 (Gsalpha) gene in a corticotroph pituitary adenoma / Riminucci, Mara; Collins, M.; Lala, R; Corsi, Alessandro; Matarazzo, P; Robey, Pg; Bianco, Paolo. - In: MP. MOLECULAR PATHOLOGY. - ISSN 1366-8714. - 55:(2002), pp. 58-60. [10.1136/mp.55.1.58]

An R201H activating mutation of the GNAS1 (Gsalpha) gene in a corticotroph pituitary adenoma

RIMINUCCI, MARA;CORSI, ALESSANDRO;BIANCO, Paolo
2002

Abstract

In the pituitary gland, activating mutations of the GNAS1 (Gsalpha) gene at Gln227 have been identified in adrenocorticotrophin secreting, growth hormone secreting, and prolactin secreting adenomas. To date, mutations at the codon encoding R201, typically underlying the McCune-Albright syndrome and isolated fibrous dysplasia of bone, have been demonstrated only in growth hormone secreting pituitary adenomas. In this study, a polymerase chain reaction amplified target sequence in exon 8 of the GNAS1 gene was sequenced, identifying the first R201 mutation seen in an isolated basophilic adenoma which generated Cushing's disease in a child. This case adds Cushing's disease to the range of human diseases caused by R201 mutations of the GNAS1 gene.
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An R201H activating mutation of the GNAS1 (Gsalpha) gene in a corticotroph pituitary adenoma / Riminucci, Mara; Collins, M.; Lala, R; Corsi, Alessandro; Matarazzo, P; Robey, Pg; Bianco, Paolo. - In: MP. MOLECULAR PATHOLOGY. - ISSN 1366-8714. - 55:(2002), pp. 58-60. [10.1136/mp.55.1.58]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/80722
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