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Ref Type | Journal Article | ||||||||||||
PMID | (26032424) | ||||||||||||
Authors | Maxson JE, Davare MA, Luty SB, Eide CA, Chang BH, Loriaux MM, Tognon CE, Bottomly D, Wilmot B, McWeeney SK, Druker BJ, Tyner JW | ||||||||||||
Title | Therapeutically Targetable ALK Mutations in Leukemia. | ||||||||||||
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Abstract Text | Genome sequencing is revealing a vast mutational landscape in leukemia, offering new opportunities for treatment with targeted therapy. Here, we identify two patients with acute myelogenous leukemia and B-cell acute lymphoblastic leukemia whose tumors harbor point mutations in the ALK kinase. The mutations reside in the extracellular domain of ALK and are potently transforming in cytokine-independent cellular assays and primary mouse bone marrow colony formation studies. Strikingly, both mutations conferred sensitivity to ALK kinase inhibitors, including the FDA-approved drug crizotinib. On the basis of our results, we propose that tumors harboring ALK mutations may be therapeutically tractable for personalized treatment of certain aggressive leukemias with ALK inhibitors. |
Molecular Profile | Treatment Approach |
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Gene Name | Source | Synonyms | Protein Domains | Gene Description | Gene Role |
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Therapy Name | Drugs | Efficacy Evidence | Clinical Trials |
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Drug Name | Trade Name | Synonyms | Drug Classes | Drug Description |
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Gene | Variant | Impact | Protein Effect | Variant Description | Associated with drug Resistance |
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ALK | A348D | missense | gain of function | ALK A348D lies within MAM domain 1 of the Alk protein (UniProt.org). A384D confers a gain of function to the Alk protein as demonstrated by increased cell proliferation in the absence of growth factor and colony formation in culture (PMID: 26032424). | |
ALK | F856S | missense | gain of function | 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). |
Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
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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 A348D | hematologic cancer | sensitive | Ceritinib | Preclinical - Cell culture | Actionable | In a preclinical study, transformed cells expressing ALK A348D were sensitive to treatment with Zykadia (ceritinib) in culture, demonstrating decreased cell viability (PMID: 26032424). | 26032424 |
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 A348D | hematologic cancer | sensitive | TAE684 | Preclinical - Cell culture | Actionable | In a preclinical study, transformed cells expressing ALK A348D were sensitive to treatment with TAE684 in culture, demonstrating decreased cell viability (PMID: 26032424). | 26032424 |
ALK A348D | hematologic cancer | sensitive | Crizotinib | Preclinical - Cell culture | Actionable | In a preclinical study, transformed cells expressing ALK A348D were sensitive to treatment with Xalkori (crizotinib) in culture, demonstrating decreased cell viability (PMID: 26032424). | 26032424 |
ALK A348D | hematologic cancer | sensitive | GSK1838705A | Preclinical - Cell culture | Actionable | In a preclinical study, transformed cells expressing ALK A348D were sensitive to treatment with GSK1838705A 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 | 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 A348D | hematologic cancer | sensitive | Brigatinib | Preclinical - Cell culture | Actionable | In a preclinical study, transformed cells expressing ALK A348D were sensitive to treatment with Alunbrig (brigatinib) 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 |