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Gene KIT
Variant A829P
Impact List missense
Protein Effect gain of function
Gene Variant Descriptions KIT A829P lies within the protein kinase domain of the Kit protein (UniProt.org). A829P results in constitutive phosphorylation of Kit, activation of Akt and Erk signaling, and confers acquired resistance to imatinib in culture (PMID: 23582185).
Associated Drug Resistance Y
Category Variants Paths

KIT mutant KIT act mut KIT A829P

KIT mutant KIT exon18 KIT A829P

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Transcript NM_000222.2
gDNA chr4:g.54736498G>C
cDNA c.2485G>C
Protein p.A829P
Source Database RefSeq
Genome Build GRCh38/hg38
Transcript gDNA cDNA Protein Source Database Genome Build
NM_000222 chr4:g.54736498G>C c.2485G>C p.A829P RefSeq GRCh38/hg38
XM_005265741.1 chr4:g.54736498G>C c.2485G>C p.A829P RefSeq GRCh38/hg38
XM_005265741 chr4:g.54736498G>C c.2485G>C p.A829P RefSeq GRCh38/hg38
NM_000222.2 chr4:g.54736498G>C c.2485G>C p.A829P RefSeq GRCh38/hg38

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
KIT V560_Y578del KIT A829P gastrointestinal stromal tumor decreased response Sunitinib Preclinical Actionable In a preclinical study, a patient derived GIST cell line co-harboring KIT V560_Y578del and KIT A829P demonstrated a decreased response to treatment with Sutent (sunitinib) (PMID: 25239608). 25239608
KIT W557_K558del KIT A829P Advanced Solid Tumor sensitive Ponatinib Preclinical Actionable In a preclinical study, transformed cells co-expressing KIT W557_K558del and KIT A829P were sensitive to Iclusig (ponatinib) in an in vitro kinase assay (PMID: 25239608). 25239608
KIT W557_K558del KIT A829P Advanced Solid Tumor resistant Sunitinib Preclinical - Biochemical Actionable In a preclinical study, transformed cells co-expressing KIT W557_K558del and KIT A829P were resistant to Sutent (sunitinib) in an in vitro kinase assay (PMID: 25239608). 25239608
KIT W557_K558del KIT A829P Advanced Solid Tumor resistant Sunitinib Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing KIT W557_K558del and KIT A829P demonstrated resistance to Sutent (sunitinib) in culture (PMID: 32350132). 32350132
KIT W557_K558del KIT A829P Advanced Solid Tumor resistant Imatinib Preclinical Actionable In a preclinical study, transformed cells co-expressing KIT W557_K558del and KIT A829P were resistant to Gleevec (imatinib) in an in vitro kinase assay (PMID: 25239608). 25239608
KIT W557_K558del KIT A829P Advanced Solid Tumor resistant Imatinib Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing KIT W557_K558del and KIT A829P demonstrated resistance to Gleevec (imatinib) in culture (PMID: 32350132). 32350132
KIT W557_K558del KIT A829P Advanced Solid Tumor conflicting Regorafenib Preclinical Actionable In a preclinical study, transformed cells co-expressing KIT W557_K558del and KIT A829P were resistant to Stivarga (regorafenib) in an in vitro kinase assay (PMID: 25239608). 25239608
KIT W557_K558del KIT A829P Advanced Solid Tumor conflicting Regorafenib Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing KIT W557_K558del and KIT A829P were sensitive to treatment with Stivarga (regorafenib), but demonstrated a decreased response compared to cells expressing KIT W557_K558del alone in culture (PMID: 32350132). 32350132
KIT W557_K558del KIT A829P Advanced Solid Tumor sensitive AZD3229 Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing KIT W557_K558del and KIT A829P demonstrated sensitivity to AZD3229 in culture, resulting in reduced cell viability (PMID: 32350132). 32350132
KIT W557_K558del KIT A829P Advanced Solid Tumor sensitive Ripretinib Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing KIT W557_K558del and KIT A829P demonstrated sensitivity to Qinlock (ripretinib) in culture, resulting in reduced cell viability (PMID: 32350132). 32350132
KIT W557_K558del KIT A829P Advanced Solid Tumor sensitive Avapritinib Preclinical - Cell culture Actionable In a preclinical study, Ayvakit (avapritinib) treatment resulted in decreased viability of transformed cells expressing KIT W557_K558del and KIT A829P in culture, but was less effective compared to other treatments (PMID: 32350132). 32350132
KIT exon11 KIT A829P gastrointestinal stromal tumor sensitive Imatinib + MK2206 Preclinical - Cell culture Actionable In a preclinical study, the combination of Gleevec (imatinib) and MK2206 demonstrated synergy in inhibiting growth of a Gleevec (imatinib)-resistant gastrointestinal stromal tumor cell line harboring a KIT exon 11 mutation and KIT A829P in culture (PMID: 27370604). 27370604
KIT V559D KIT A829P Advanced Solid Tumor no benefit Sunitinib Preclinical - Cell culture Actionable In a preclinical study, transformed cells co-expressing KIT A829P and KIT V559D were insensitive to Sutent (sunitinib) in culture (PMID: 24205792). 24205792
KIT V559D KIT A829P Advanced Solid Tumor sensitive Flumatinib Preclinical - Cell culture Actionable In a preclinical study, transformed cells co-expressing KIT A829P and KIT V559D were sensitive to Flumatinib in culture, demonstrating decreased cell proliferation and inhibition of Kit, Erk1/2, and Stat3 phosphorylation (PMID: 24205792). 24205792
KIT V559_G565del KIT V654A KIT A829P gastrointestinal stromal tumor predicted - sensitive Ripretinib Case Reports/Case Series Actionable In a Phase I trial, treatment with Qinlock (ripretinib) decreased circulating tumor DNA, resulted in stable disease lasting over 26 months in a patient with gastrointestinal stromal tumor harboring a primary KIT V559_G565del mutation and two acquired resistance mutations, KIT V654A and KIT A829P (PMID: 31085175; NCT02571036). 31085175
KIT exon 11 del KIT A829P Advanced Solid Tumor predicted - sensitive THE-630 Preclinical - Cell culture Actionable In a preclinical study, THE-630 treatment inhibited growth of cells co-expressing a KIT exon 11 deletion and KIT A829P in culture (Cancer Res 2021;81(13_Suppl):Abstract nr 1292). detail...
KIT V560_D572del KIT A829P gastrointestinal stromal tumor predicted - resistant Imatinib Case Reports/Case Series Actionable In a clinical case study, a patient with gastrointestinal stromal tumor harboring KIT KIT V560_D572del progressed following an initial response to Gleevec (imatinib), and was found to have acquired the secondary resistance mutation KIT A829P (PMID: 18294292). 18294292