Production of high-complexity frameshift neoantigen peptide microarrays

Luhui Shen, Zhan Gong Zhao, John C. Lainson, Justin R. Brown, Kathryn F. Sykes, Stephen Albert Johnston, Chris W. Diehnelt

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Parallel measurement of large numbers of antigen-antibody interactions are increasingly enabled by peptide microarray technologies. Our group has developed an in situ synthesized peptide microarray of >400 000 frameshift neoantigens using mask-based photolithographic peptide synthesis, to profile patient specific neoantigen reactive antibodies in a single assay. The system produces 208 replicate mircoarrays per wafer and is capable of producing multiple wafers per synthetic lot to routinely synthesize over 300 million peptides simultaneously. In this report, we demonstrate the feasibility of the system for detecting peripheral-blood antibody binding to frameshift neoantigens across multiple synthetic lots.

Original languageEnglish (US)
Pages (from-to)29675-29681
Number of pages7
JournalRSC Advances
Issue number50
StatePublished - Aug 11 2020

ASJC Scopus subject areas

  • General Chemistry
  • General Chemical Engineering


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