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| Gene | PDGFRB |
| Variant | N666K |
| Impact List | missense |
| Protein Effect | gain of function |
| Gene Variant Descriptions | PDGFRB N666K lies within the protein kinase domain of the Pdgfrb protein (PMID: 26455322). N666K results in increased Pdgfrb phosphorylation (PMID: 38741091), constitutive activation of Pdgfrb, and transformation in cell culture (PMID: 26455322). |
| Associated Drug Resistance | |
| Category Variants Paths |
PDGFRB mutant PDGFRB act mut PDGFRB N666K |
| Transcript | NM_002609.4 |
| gDNA | chr5:g.150124275G>C |
| cDNA | c.1998C>G |
| Protein | p.N666K |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_002609 | chr5:g.150124275G>C | c.1998C>G | p.N666K | RefSeq | GRCh38/hg38 |
| NM_002609.3 | chr5:g.150124275G>C | c.1998C>G | p.N666K | RefSeq | GRCh38/hg38 |
| XM_011537659 | chr5:g.150124275G>C | c.1998C>G | p.N666K | RefSeq | GRCh38/hg38 |
| NM_002609.4 | chr5:g.150124275G>C | c.1998C>G | p.N666K | RefSeq | GRCh38/hg38 |
| XM_011537658 | chr5:g.150124275G>C | c.1998C>G | p.N666K | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| PDGFRB N666K | Advanced Solid Tumor | sensitive | Imatinib | Preclinical - Cell culture | Actionable | In a preclinical study, Gleevec (imatinib) inhibited PDGFRB downstream signaling and proliferation of transformed cells expressing PDGFRB N666K in culture (PMID: 26455322). | 26455322 |
| PDGFRB N666K | Advanced Solid Tumor | sensitive | Imatinib | Preclinical - Biochemical | Actionable | In a preclinical study, Gleevec (imatinib) treatment inhibited Pdgfrb activity in a reporter assay in a cell line expressing PDGFRB N666K (PMID: 39580648). | 39580648 |
| PDGFRB N666K | Advanced Solid Tumor | sensitive | Ponatinib | Preclinical - Cell culture | Actionable | In a preclinical study, Iclusig (ponatinib) inhibited PDGFRB downstream signaling and proliferation of transformed cells expressing PDGFRB N666K in culture (PMID: 26455322). | 26455322 |
| PDGFRB N666K | Advanced Solid Tumor | sensitive | Nilotinib | Preclinical - Cell culture | Actionable | In a preclinical study,Tasigna (nilotinib) inhibited PDGFRB downstream signaling and proliferation of transformed cells expressing PDGFRB N666K in culture (PMID: 26455322). | 26455322 |