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Gene | JAK2 |
Variant | inact mut |
Impact List | unknown |
Protein Effect | loss of function |
Gene Variant Descriptions | JAK2 inact mut indicates that this variant results in a loss of function of the Jak2 protein. However, the specific amino acid change has not been identified. |
Associated Drug Resistance | |
Category Variants Paths |
JAK2 mutant JAK2 inact mut |
Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
---|---|---|---|---|---|---|---|
JAK2 inact mut | melanoma | predicted - resistant | Pembrolizumab | Case Reports/Case Series | Actionable | In a clinical study, a melanoma patient treated with Keytruda (pembrolizumab) initially demonstrated a partial response, however, post 734 days developed disease progression due to a splice site mutation in JAK2, which resulted in an intron inclusion and an early stop codon, leading to a loss of protein expression (PMID: 27433843). | 27433843 |