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Association details:
Biomarker:JAK1 P429S
Cancer:Melanoma
Drug:Keytruda (pembrolizumab) (PD1 inhibitor)
Direction:Resistant
Evidence:
Evidence Level:
Resistant: C4 – Case Studies
New
Title:

Primary resistance to PD-1 blockade mediated by JAK1/2 mutations

Excerpt:
A melanoma biopsy from the patient with the highest mutational load among the 9 non-responders (patient #15) had a somatic P429S missense mutation in the src-homology (SH2) domain of JAK1 (Fig. 1B).
DOI:
10.1158/2159-8290.CD-16-1223