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GNAS

GNAS complex locus

HCNC Approved Symbol
GNAS (HGNC:4392)
Genomic Coordinates
20:58,839,748 - 58,911,192 (20q13.32)
Synonyms
NESP55, NESP, GNASXL, GPSA, SCG6, SgVI, GNAS1
Disease Associations
This gene is associated with the following 8 diseases in OMIM.
View More Disease Info
Disease NameOMIM IDInheritance
ACTH-independent macronodular adrenal hyperplasia
219080SM
McCune-Albright syndrome, somatic, mosaic
174800-
Osseous heteroplasia, progressive
166350AD
Pituitary adenoma 3, multiple types, somatic
617686-
Pseudohypoparathyroidism Ia
103580AD
Pseudohypoparathyroidism Ib
603233AD
Pseudohypoparathyroidism Ic
612462AD
Pseudopseudohypoparathyroidism
612463AD

Diagnosed Cases

35Patients

In total, 35 patients were diagnosed with a variant in the GNAS gene.

Frequently observed phenotypes

(Top 5 only, Patient count*)
*% of total patients presenting each phenotype is shown in parentheses.

Pseudohypoparathyroidism
 10 (28.6%)
Hypothyroidism
 10 (28.6%)
Obesity
 9 (25.7%)
Short stature
 7 (20.0%)
Brachydactyly
 
5 (14.3%)