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| Gene | KIT |
| Variant | V559G |
| Impact List | missense |
| Protein Effect | gain of function |
| Gene Variant Descriptions | KIT V559G lies within the juxtamembrane domain (exon 11) of the Kit protein (PMID: 12879016). V559G results in constitutive phosphorylation of Kit in a patient sample (PMID: 15897563), and the corresponding mouse variant results in ligand-independent Kit phosphorylation and increased proliferation in cultured cells and increased tumor formation in mouse models (PMID: 8546206). |
| Associated Drug Resistance | |
| Category Variants Paths |
KIT mutant KIT act mut KIT V559G KIT mutant KIT exon11 KIT V559X KIT V559G |
| Transcript | NM_000222.3 |
| gDNA | chr4:g.54727444T>G |
| cDNA | c.1676T>G |
| Protein | p.V559G |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_000222 | chr4:g.54727444T>G | c.1676T>G | p.V559G | RefSeq | GRCh38/hg38 |
| NM_001385285.1 | chr4:g.54727444T>G | c.1676T>G | p.V559G | RefSeq | GRCh38/hg38 |
| XM_017008178 | chr4:g.54727444T>G | c.1676T>G | p.V559G | RefSeq | GRCh38/hg38 |
| NM_000222.3 | chr4:g.54727444T>G | c.1676T>G | p.V559G | RefSeq | GRCh38/hg38 |
| NM_000222.2 | chr4:g.54727444T>G | c.1676T>G | p.V559G | RefSeq | GRCh38/hg38 |
| XM_017008178.1 | chr4:g.54727444T>G | c.1676T>G | p.V559G | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| KIT V559G | Advanced Solid Tumor | sensitive | Axitinib | Preclinical - Cell culture | Actionable | In a preclinical study, Inlyta (axitinib) inhibited KIT phosphorylation and proliferation of transformed cells expressing KIT V559G in culture (PMID: 31205508). | 31205508 |
| KIT V559G | Advanced Solid Tumor | sensitive | Nintedanib | Preclinical - Cell culture | Actionable | In a preclinical study, Ofev (nintedanib) inhibited Kit autophosphorylation and proliferation of transformed cells expressing KIT V559G in culture (PMID: 35194937). | 35194937 |
| KIT V559G | Advanced Solid Tumor | sensitive | Imatinib | Preclinical - Cell culture | Actionable | In a preclinical study, Gleevec (imatinib) inhibited proliferation of transformed cells expressing KIT V559G in culture (PMID: 35194937). | 35194937 |
| KIT V559G | Advanced Solid Tumor | sensitive | Sunitinib | Preclinical - Cell culture | Actionable | In a preclinical study, Sutent (sunitinib) inhibited proliferation of transformed cells expressing KIT V559G in culture (PMID: 35194937). | 35194937 |