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GNAS
Variants
VariantGeneTypeCOSMIC IDDNA Change (Coding Nucleotide)Exon
GNAS codon(s) 201, 844 anyGNASany1, 8
GNAS Q227LGNASmissense680A>T1
GNAS copy number gainGNASCNV
GNAS copy number lossGNASCNV
GNAS any mutationGNASany
GNAS R201CGNASmissense1

Interpretations

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Tier 1
GNAS
Variants
GNAS codon(s) 201, 844 any
Primary Sites
Blood
Bone Marrow
Tumor Types
Myelodysplastic Syndrome
Interpretation

GNAS (Guanine Nucleotide Binding Protein, Alpha, Stimulating Activity Polypeptide, G-S-alpha) is a component of the heterotrimeric G protein complex that has been shown to be mutated in less than 1% of myelodysplastic syndrome. Mutations of Arg201 of GNAS are typically activating mutations which have been described in various types of solid tumors and McCune Albright syndrome.

Last updated: 2016-06-05 02:16:46 UTC
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Tier 2
GNAS
Variants
GNAS codon(s) 201, 844 any
Primary Sites
Lung
Kidney
Tumor Types
Adenocarcinoma
Interpretation

This GNAS mutation causes constitutive activation of the G-protein complex and activates adenylate cyclase to produce cyclic-AMP (cAMP) that can activate oncogenic pathways. The R201 mutation in GNAS was thought to both drive tumor progression and confer exceptional chemo-sensitivity in a patient with an unclassified kidney cancer.

Last updated: 2019-04-30 14:30:45 UTC
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Tier 2
GNAS
Variants
GNAS Q227L
Primary Sites
Lung
Tumor Types
Adenocarcinoma
Interpretation

This GNAS mutation causes constitutive activation of the G-protein complex and activates adenylate cyclase to produce cyclic-AMP (cAMP) that can activate oncogenic pathways. The frequency of GNAS mutation in non-small cell carcinoma of the lung cases is relatively low (<5%) and its significance remains to be fully elucidated.

Last updated: 2016-02-12 20:40:08 UTC
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Tier 2
GNAS
Variants
GNAS codon(s) 201, 844 any
Primary Sites
Pancreas
Tumor Types
Adenocarcinoma
Interpretation

Somatic mutations in GNAS are frequently found in intraductal papillary mucinous neoplasms (IPMNs) of pancreas, and have been identified in 41% to 66% of cases. All of these mutations involved codon 201 (R201C or R201H). However, the GNAS mutation was infrequent in typical pancreatic ductal adenocarcinomas (PDAs). These mutations are lead to disruption of the intrinsic hydrolytic activity of Gsα, leading to constitutive activation. GNAS mutations seem to be an early event in IPMN development. The clinical significance of these mutations remains to be established.

Last updated: 2016-06-07 02:23:28 UTC
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Tier 2
GNAS
Variants
GNAS codon(s) 201, 844 any
Primary Sites
Colon
Rectum
Tumor Types
Adenocarcinoma
Interpretation

GNAS is a component of the heterotrimeric G-protein complex that has been shown to be mutated in 3-7% of colorectal cancers. Mutations at codon R201 of GNAS are typically activating mutations which have been described in various types of solid tumors. These mutations result in disruption of the intrinsic hydrolytic activity of Gsa, leading to constitutive activation. The clinical significance of these mutations in colorectal cancer remains to be established. Correlation with other clinical and laboratory findings is recommended.

Last updated: 2018-03-28 18:20:06 UTC
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Tier 2
GNAS
Variants
GNAS copy number gain
GNAS copy number loss
Primary Sites
Adrenal Gland
Anus
Ampulla (Pancreaticobiliary Duct)
Appendix
Bladder
Blood
Bone
Bone Marrow
Brain
Breast
Spinal Cord
Cervix
Chest Wall
Colon
Endometrium
Esophagus
Eye
Fallopian Tube
Fibroadipose Tissue
Gall Bladder
Kidney
Larynx
Liver
Lung
Lymph Node
Nasal Cavity
Oral Cavity
Ovary
Pancreas
Parathyroid
Penis
Peripheral Nervous System
Peritoneum
Pharynx
Pituitary
Placenta
Pleura
Prostate
Retroperitoneum
Salivary Gland
Seminal Vesicle
Skeletal Muscle
Skin
Small Intestine
Soft Tissue
Spleen
Stomach
Testis
Thymus
Thyroid
Tonsil
Unknown
Ureter
Uterus
Vagina
Rectum
Cartilage
Blood Vessel
Buccal Swab
Heart
Trachea
Salivary Duct
Spermatic Cord
Vulva
Brain, Infratentorial
Brain, Supratentorial
Gastroesophageal Junction
Sellar
Suprasellar
Peritoneal fluid
Pleural Fluid
Tongue
Tumor Types
Acinar Cell Carcinoma
Acinic Cell Carcinoma
Acute Myeloid Leukemia
Adenocarcinoma
Adenoid Cystic Carcinoma
Adenosarcoma
Ameloblastic Tumor
Anaplastic Large Cell Lymphoma
Angioimmunoblastic T-Cell Lymphoma
Angiomatoid Fibrous Histiocytoma
Angiomatosis
Angiomyolipoma
Angiosarcoma
Astrocytoma, Anaplastic
Atypical Chronic Myeloid Leukemia
B Lymphoblastic Leukemia/Lymphoma
Basal Cell Carcinoma
Burkitt Lymphoma
Carcinoid Tumor
Carcinoma
Carcinosarcoma
Cholangiocarcinoma
Chondrosarcoma
Chordoma
Choriocarcinoma
Chromophobe Renal Cell Carcinoma
Chronic Lymphocytic Leukemia
Chronic Myeloid Leukemia
Chronic Myelomonocytic Leukemia
Chronic Neutrophilic Leukemia
Classical Hodgkin Lymphoma
Clear Cell Carcinoma
Clear Cell Renal Cell Carcinoma
Craniopharyngioma
Dermatofibrosarcoma
Desmoplastic Small Round Cell Tumor
Diffuse Large B Cell Lymphoma
Ductal Carcinoma
Ependymoma
Essential Thrombocythemia
Ewing Sarcoma
Fibromatosis
Follicular Carcinoma
Follicular Lymphoma
Gastrointestinal Stromal Tumor
Germ Cell Tumor
Giant Cell Tumor
Glioblastoma
Glomus Tumor
Granular Cell Tumor
Hairy Cell Leukemia
Hemangioendothelioma
Hepatocellular Carcinoma
Histiocytic and Dendritic Cell Neoplasms
Invasive Ductal Carcinoma
Kaposi Sarcoma
Langerhans Cell Histiocytosis
Leiomyoma
Leiomyosarcoma
Lipoma
Liposarcoma
Lobular Carcinoma
Lymphoplasmacytic Lymphoma
Malignant Mullerian Mixed Tumor
Mantle Cell Lymphoma
Marginal Zone B Cell Lymphoma
Mast Cell Neoplasm
MDS with Ring Sideroblasts
Medullary Carcinoma
Medulloblastoma
Melanoma
Meningioma
Merkel Cell Carcinoma
Mesothelioma
Mucinous Adenocarcinoma
Mucinous Tumors of Ovary
Mucoepidermoid Carcinoma
Myelodysplastic Syndrome
Myeloproliferative Neoplasm
Myxofibrosarcoma
Nasopharyngeal Carcinoma
Neuroblastoma
Neuroendocrine Carcinoma
Neuroendocrine Neoplasm
NK Cell Lymphoproliferative Disorder
NLPHL
Non-Small Cell Lung Carcinoma
Oligodendroglioma
Osteosarcoma
Papillary Carcinoma
Papillary Renal Cell Carcinoma
Peripheral T Cell Lymphoma
Pheochromocytoma
Plasma Cell Disorder
Polycythemia Vera
Post-Transplant Lymphoproliferative Disorder
Primary Myelofibrosis
Primitive Neuroectodermal Tumor
Renal Cell Carcinoma
Reninoma
Retinoblastoma
Rhabdomyosarcoma
Sarcoma
Schwannoma
Serous Carcinoma
Sex Cord Stromal Tumor
Small Cell Carcinoma
Solid Pseudopapillary Tumor of Pancreas
Spindle Cell Neoplasm
Squamous Cell Carcinoma
T Cell Lymphoproliferative Disorder
T Lymphoblastic Leukemia/Lymphoma
T-Cell LGL Leukemia
Thymic Carcinoma
Thymoma
Urothelial Carcinoma
Tumors of Peripheral Nerves
Unknown
Wilms Tumor
Ependymoma, Anaplastic
Astrocytoma, Pilocytic
Ganglioglioma
Neuroepithelial Neoplasm, NOS
Pleomorphic Carcinoma
Solitary Fibrous Tumor
Neuroepithelial neoplasm, high grade
Leukocytosis
Thrombocytosis
Monocytosis
Cytopenia
Other Acute Leukemia
Astrocytoma, NOS
Acute Leukemia of Unspecified Cell Type
Anemia, Unspecified
Astrocytoma, Diffusely Infiltrating
Diffuse Midline Glioma
Infiltrating Glioma, NOS
Intraductal Papillary Mucinous Neoplasm (IPMN)
Leukopenia
Lymphadenopathy
Lymphocytosis, Symptomatic
Monoclonal Gammopathy
Mucinous or Serous Cystic Neoplasms of Pancreas
Mycosis Fungoides, Unspecified Site
Oligodendroglioma, Anaplastic
Pleomorphic Xanthoastrocytoma
Rash and Other Nonspecific Skin Eruption
Thrombocytopenia, Unspecified
Eosinophilia
Myelodysplastic/Myeloproliferative Neoplasm
Myeloid Neoplasm
Polycythemia
Hurthle Cell Carcinoma
High Grade Glioma
Undifferentiated Sarcoma
Glioma
Interpretation

This gene is a known cancer gene.

Last updated: 2018-05-17 15:39:27 UTC
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Tier 2
GNAS
Variants
GNAS any mutation
Primary Sites
Adrenal Gland
Anus
Ampulla (Pancreaticobiliary Duct)
Appendix
Bladder
Blood
Bone
Bone Marrow
Brain
Breast
Spinal Cord
Cervix
Chest Wall
Colon
Endometrium
Esophagus
Eye
Fallopian Tube
Fibroadipose Tissue
Gall Bladder
Kidney
Larynx
Liver
Lung
Lymph Node
Nasal Cavity
Oral Cavity
Ovary
Pancreas
Parathyroid
Penis
Peripheral Nervous System
Peritoneum
Pharynx
Pituitary
Placenta
Pleura
Prostate
Retroperitoneum
Salivary Gland
Seminal Vesicle
Skeletal Muscle
Skin
Small Intestine
Soft Tissue
Spleen
Stomach
Testis
Thymus
Thyroid
Tonsil
Unknown
Ureter
Uterus
Vagina
Rectum
Cartilage
Blood Vessel
Buccal Swab
Heart
Trachea
Salivary Duct
Spermatic Cord
Vulva
Brain, Infratentorial
Brain, Supratentorial
Gastroesophageal Junction
Sellar
Suprasellar
Peritoneal fluid
Pleural Fluid
Tongue
Tumor Types
Acinar Cell Carcinoma
Acinic Cell Carcinoma
Acute Myeloid Leukemia
Adenocarcinoma
Adenoid Cystic Carcinoma
Adenosarcoma
Ameloblastic Tumor
Anaplastic Large Cell Lymphoma
Angioimmunoblastic T-Cell Lymphoma
Angiomatoid Fibrous Histiocytoma
Angiomatosis
Angiomyolipoma
Angiosarcoma
Astrocytoma, Anaplastic
Atypical Chronic Myeloid Leukemia
B Lymphoblastic Leukemia/Lymphoma
Basal Cell Carcinoma
Burkitt Lymphoma
Carcinoid Tumor
Carcinoma
Carcinosarcoma
Cholangiocarcinoma
Chondrosarcoma
Chordoma
Choriocarcinoma
Chromophobe Renal Cell Carcinoma
Chronic Lymphocytic Leukemia
Chronic Myeloid Leukemia
Chronic Myelomonocytic Leukemia
Chronic Neutrophilic Leukemia
Classical Hodgkin Lymphoma
Clear Cell Carcinoma
Clear Cell Renal Cell Carcinoma
Craniopharyngioma
Dermatofibrosarcoma
Desmoplastic Small Round Cell Tumor
Diffuse Large B Cell Lymphoma
Ductal Carcinoma
Ependymoma
Essential Thrombocythemia
Ewing Sarcoma
Fibromatosis
Follicular Carcinoma
Follicular Lymphoma
Gastrointestinal Stromal Tumor
Germ Cell Tumor
Giant Cell Tumor
Glioblastoma
Glomus Tumor
Granular Cell Tumor
Hairy Cell Leukemia
Hemangioendothelioma
Hepatocellular Carcinoma
Histiocytic and Dendritic Cell Neoplasms
Invasive Ductal Carcinoma
Kaposi Sarcoma
Langerhans Cell Histiocytosis
Leiomyoma
Leiomyosarcoma
Lipoma
Liposarcoma
Lobular Carcinoma
Lymphoplasmacytic Lymphoma
Malignant Mullerian Mixed Tumor
Mantle Cell Lymphoma
Marginal Zone B Cell Lymphoma
Mast Cell Neoplasm
MDS with Ring Sideroblasts
Medullary Carcinoma
Medulloblastoma
Melanoma
Meningioma
Merkel Cell Carcinoma
Mesothelioma
Mucinous Adenocarcinoma
Mucinous Tumors of Ovary
Mucoepidermoid Carcinoma
Myelodysplastic Syndrome
Myeloproliferative Neoplasm
Myxofibrosarcoma
Nasopharyngeal Carcinoma
Neuroblastoma
Neuroendocrine Carcinoma
Neuroendocrine Neoplasm
NK Cell Lymphoproliferative Disorder
NLPHL
Non-Small Cell Lung Carcinoma
Oligodendroglioma
Osteosarcoma
Papillary Carcinoma
Papillary Renal Cell Carcinoma
Peripheral T Cell Lymphoma
Pheochromocytoma
Plasma Cell Disorder
Polycythemia Vera
Post-Transplant Lymphoproliferative Disorder
Primary Myelofibrosis
Primitive Neuroectodermal Tumor
Renal Cell Carcinoma
Reninoma
Retinoblastoma
Rhabdomyosarcoma
Sarcoma
Schwannoma
Serous Carcinoma
Sex Cord Stromal Tumor
Small Cell Carcinoma
Solid Pseudopapillary Tumor of Pancreas
Spindle Cell Neoplasm
Squamous Cell Carcinoma
T Cell Lymphoproliferative Disorder
T Lymphoblastic Leukemia/Lymphoma
T-Cell LGL Leukemia
Thymic Carcinoma
Thymoma
Urothelial Carcinoma
Tumors of Peripheral Nerves
Unknown
Wilms Tumor
Ependymoma, Anaplastic
Astrocytoma, Pilocytic
Ganglioglioma
Neuroepithelial Neoplasm, NOS
Pleomorphic Carcinoma
Solitary Fibrous Tumor
Neuroepithelial neoplasm, high grade
Leukocytosis
Thrombocytosis
Monocytosis
Cytopenia
Other Acute Leukemia
Astrocytoma, NOS
Acute Leukemia of Unspecified Cell Type
Anemia, Unspecified
Astrocytoma, Diffusely Infiltrating
Diffuse Midline Glioma
Infiltrating Glioma, NOS
Intraductal Papillary Mucinous Neoplasm (IPMN)
Leukopenia
Lymphadenopathy
Lymphocytosis, Symptomatic
Monoclonal Gammopathy
Mucinous or Serous Cystic Neoplasms of Pancreas
Mycosis Fungoides, Unspecified Site
Oligodendroglioma, Anaplastic
Pleomorphic Xanthoastrocytoma
Rash and Other Nonspecific Skin Eruption
Thrombocytopenia, Unspecified
Eosinophilia
Myelodysplastic/Myeloproliferative Neoplasm
Myeloid Neoplasm
Polycythemia
Hurthle Cell Carcinoma
High Grade Glioma
Undifferentiated Sarcoma
Glioma
Interpretation

This gene is a known cancer gene.

Last updated: 2018-05-17 15:40:20 UTC
Read More
Tier 2
GNAS
Variants
GNAS R201C
Primary Sites
Ampulla (Pancreaticobiliary Duct)
Tumor Types
Adenocarcinoma
Interpretation

The GNAS gene encodes the stimulatory G-alpha subunit of the heterotrimeric guanine nucleotide-binding protein (G-protein) membrane complex. Activating mutations in GNAS that have been linked to the endocrine hyperplasia of McCune-Albright syndrome have also been found in growth-hormone-secreting pituitary tumors. Point mutations in the GNAS gene, many of which involve the residues R201 and Q227, can lead to constitutive signaling activity, resulting in cellular proliferation and oncogenesis. Tumor types that have been found to harbor GNAS mutations include colon, parathyroid, and ovarian cancers, hepatocellular carcinoma, and pancreatic intraductal papillary mucinous neoplasms. The GNAS R201C mutation is known to be oncogenic.

Last updated: 2019-01-22 18:41:42 UTC
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Disclaimer: You assume full responsibility for all risks associated with using this PMKB website. The Englander Institute for Precision Medicine at Weill Cornell Medicine makes no guarantee of the comprehensiveness, reliability or accuracy of the information on this website and assumes no responsibility for errors in the information associated with this web site. Healthcare providers and patients must integrate all clinical and laboratory findings as well as information from a variety of sources before deciding on appropriate clinical care options.


When using PMKB, please cite: Huang et al., JAMIA 2017


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