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| Gene | CBL |
| Variant | F418I |
| Impact List | missense |
| Protein Effect | unknown |
| Gene Variant Descriptions | CBL F418I lies within the RING-type zinc finger domain of the Cbl protein (UniProt.org). F418I has been identified in sequencing studies (PMID: 24618614), but has not been biochemically characterized and therefore, its effect on Cbl protein function is unknown (PubMed, May 2025). |
| Associated Drug Resistance | |
| Category Variants Paths |
CBL mutant CBL exon9 CBL F418I |
| Transcript | NM_005188.4 |
| gDNA | chr11:g.119278534T>A |
| cDNA | c.1252T>A |
| Protein | p.F418I |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_005188.4 | chr11:g.119278534T>A | c.1252T>A | p.F418I | RefSeq | GRCh38/hg38 |
| XM_011543057 | chr11:g.119278534T>A | c.1252T>A | p.F418I | RefSeq | GRCh38/hg38 |
| NM_005188.3 | chr11:g.119278534T>A | c.1252T>A | p.F418I | RefSeq | GRCh38/hg38 |
| NM_005188 | chr11:g.119278534T>A | c.1252T>A | p.F418I | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| CBL mutant | myelodysplastic/myeloproliferative neoplasm | not applicable | N/A | Clinical Study | Prognostic | In clinical analyses, mutations in CBL were associated with adverse prognosis in patients with chronic myelomonocytic leukemia (PMID: 26230957, PMID: 23690417, PMID: 19901108). | 26230957 19901108 23690417 |
| CBL mutant | bone marrow cancer | sensitive | Quizartinib | Preclinical | Actionable | In a preclinical study, Vanflyta (quizartinib) reduced white blood cell counts and decreased myeloid cell invasion in a CBL mutant mouse model with myeloproliferative disorder (PMID: 22990016). | 22990016 |
| CBL mutant | systemic mastocytosis | not applicable | N/A | Guideline | Prognostic | CBL mutations are associated with an adverse prognosis in patients with systemic mastocytosis (NCCN.org). | detail... |
| CBL mutant | myelofibrosis | not applicable | N/A | Guideline | Prognostic | CBL mutations are associated with inferior overall survival in patients with primary myelofibrosis (NCCN.org). | detail... |