We read with interest the manuscript by June and colleagues published recently in Immunity in which they describe targeting of aberrantly glycosylated tumor-associated cell membrane mucin MUC1 using chimeric antigen receptor-engineered human T cells (Posey et al., 2016). In that study, the authors used a second generation 4-1BB costimulatory-molecule-based chimeric antigen receptor (CAR) (Imai et al., 2004) in which targeting was achieved using a single-chain variable fragment (scFv) derived from the 5E5 antibody. This CAR selectively binds MUC1 that carries the Tn or sialyl (S)Tn glycan. Both of these truncated glycans are aberrantly expressed on the MUC1 glycoprotein in a spectrum of malignancies and consequently represent attractive targets for immunotherapeutic exploitation.

Original languageEnglish
Pages (from-to)945-946
Number of pages2
Issue number5
Publication statusPublished - 15 Nov 2016


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