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| Gene | ALK |
| Variant | F856S |
| Impact List | missense |
| Protein Effect | gain of function |
| Gene Variant Descriptions | ALK F856S lies within the extracellular domain of the Alk protein (UniProt.org). F856S confers a gain of function to the Alk protein as demonstrated by increased cell proliferation in the absence of growth factor (PMID: 26032424, PMID: 34646012) and colony formation in culture (PMID: 26032424). |
| Associated Drug Resistance | |
| Category Variants Paths |
ALK mutant ALK act mut ALK F856S |
| Transcript | NM_004304.5 |
| gDNA | chr2:g.29232369A>G |
| cDNA | c.2567T>C |
| Protein | p.F856S |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_004304.4 | chr2:g.29232369A>G | c.2567T>C | p.F856S | RefSeq | GRCh38/hg38 |
| NM_004304.5 | chr2:g.29232369A>G | c.2567T>C | p.F856S | RefSeq | GRCh38/hg38 |
| NM_004304 | chr2:g.29232369A>G | c.2567T>C | p.F856S | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| ALK F856S | hematologic cancer | sensitive | GSK1838705A | Preclinical - Cell culture | Actionable | In a preclinical study, transformed cells expressing ALK F856S were sensitive to treatment with GSK1838705A in culture, demonstrating decreased cell viability (PMID: 26032424). | 26032424 |
| ALK F856S | hematologic cancer | sensitive | Crizotinib | Preclinical - Cell culture | Actionable | In a preclinical study, transformed cells expressing ALK F856S were sensitive to treatment with Xalkori (crizotinib) in culture, demonstrating decreased cell viability (PMID: 26032424). | 26032424 |
| ALK F856S | hematologic cancer | sensitive | TAE684 | Preclinical - Cell culture | Actionable | In a preclinical study, transformed cells expressing ALK F856S were sensitive to treatment with TAE684 in culture, demonstrating decreased cell viability (PMID: 26032424). | 26032424 |
| ALK F856S | hematologic cancer | sensitive | Brigatinib | Preclinical - Cell culture | Actionable | In a preclinical study, transformed cells expressing ALK F856S were sensitive to treatment with Alunbrig (brigatinib) in culture, demonstrating decreased cell viability (PMID: 26032424). | 26032424 |
| ALK F856S | hematologic cancer | sensitive | Ceritinib | Preclinical - Cell culture | Actionable | In a preclinical study, transformed cells expressing ALK F856S were sensitive to treatment with Zykadia (ceritinib) in culture, demonstrating decreased cell viability (PMID: 26032424). | 26032424 |
| ALK F856S | Advanced Solid Tumor | sensitive | Crizotinib | Preclinical - Cell culture | Actionable | In a preclinical study, Xalkori (crizotinib) inhibited growth of transformed cells expressing ALK F856S in culture (PMID: 34646012). | 34646012 |