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CDKN2A W110*
GeneCDKN2A
Variantnonsense
Amino Acid ChangeW110*
Transcript ID (GRCh37/hg19)ENST00000498124
Codon110
Exon2
Germline/Somatic?Somatic
Pertinent Negative In
Tumor TypePrimary Site
See All Pertinent Negatives

Interpretations

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Tier 2
CDKN2A
Variants
CDKN2A W110*
CDKN2A Y129*
CDKN2A any frameshift
CDKN2A H83Y
CDKN2A codon(s) 58 frameshift
CDKN2A codon(s) 80 frameshift
CDKN2A D108H
Primary Sites
Lung
Tumor Types
Squamous Cell Carcinoma
Interpretation

Somatic mutations of CDKN2A are present in various tumor types, including, squamous cell carcinoma of the lung, clear cell sarcoma, head and neck cancer, melanoma and esophageal cancer. Majority of the CDKN2A mutations span exon 2 and result in loss or decreased binding to CDK4/6 leading to uncontrolled cell growth through inactivation of Rb and p53 pathways. Multiple preclinical and clinical studies are ongoing for CDKN2A deficient tumors in multiple tumor types.

Last updated: 2018-06-13 19:01:26 UTC
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Tier 2
CDKN2A
Variants
CDKN2A W110*
CDKN2A any frameshift
Primary Sites
Skin
Tumor Types
Melanoma
Interpretation

Somatic mutations of CDKN2A are present in various tumor types, including, squamous cell carcinoma of the larynx, clear cell sarcoma, head and neck cancer, melanoma and esophageal cancer. Majority of the CDKN2A mutations span exon 2 and result in loss or decreased binding to CDK4/6 leading to uncontrolled cell growth through inactivation of Rb and p53 pathways. Multiple preclinical and clinical studies are ongoing for CDKN2A deficient tumors in multiple tumor types.

Last updated: 2018-10-11 19:06:59 UTC
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Tier 3
CDKN2A
Variants
CDKN2A W110*
Primary Sites
Esophagus
Tumor Types
Carcinoma
Interpretation

Somatic mutations of CDKN2A are present in various tumor types, including, squamous cell carcinoma of the larynx, clear cell sarcoma, head and neck cancer, melanoma and esophageal cancer. Majority of the CDKN2A mutations span exon 2 and result in loss or decreased binding to CDK4/6 leading to uncontrolled cell growth through inactivation of Rb and p53 pathways. Multiple preclinical and clinical studies are ongoing for CDKN2A deficient tumors in multiple tumor types.

Last updated: 2018-03-06 17:55:09 UTC
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Tier 2
CDKN2A
Variants
CDKN2A W110*
Primary Sites
Brain
Tumor Types
Glioblastoma
Astrocytoma, NOS
Astrocytoma, Anaplastic
Interpretation

The CDKN2A gene locus is altered in up to approximately 57% of glioblastoma, most commonly as a homozygous deletion, and frequently with concurrent deletion of the CDKN2B locus. CDKN2A/CDKN2B loss may be associated with increased sensitivity to CDK4/6 inhibitors. W110* results in early truncation and confers a loss of function as demonstrated by loss of CDK binding and cell cycle control in culture. The clinicopathologic effects of the heterozygous rather than homozygous loss of CDKN2A in glial neoplasms remains to be further elucidated. The efficacy and toxicity profiles of these inhibitors in the context of a variety of cancer types are currently under evaluation in clinical trials.

Last updated: 2018-03-30 16:06:22 UTC
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Tier 2
CDKN2A
Variants
CDKN2A Y129*
CDKN2A W110*
CDKN2A any frameshift
CDKN2A codon(s) 58 frameshift
CDKN2A codon(s) 80 frameshift
Primary Sites
Lung
Tumor Types
Adenocarcinoma
Interpretation

Somatic mutations of CDKN2A are present in various tumor types, including, squamous cell carcinoma of the larynx, clear cell sarcoma, head and neck cancer, melanoma and esophageal cancer, among other cancer types. Majority of the CDKN2A mutations span exon 2 and result in loss or decreased binding to CDK4/6 leading to uncontrolled cell growth through inactivation of Rb and p53 pathways. Multiple preclinical and clinical studies are ongoing for CDKN2A deficient tumors in multiple tumor types.

Last updated: 2018-04-19 15:53:50 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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