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Split tolerance permits safe Ad5-GUCY2C-PADRE vaccine-induced T-cell responses in colon cancer patients.

J Immunother Cancer. 2019-04; 
SnookAdam E,BaybuttTrevor R,XiangBo,AbrahamTara S,FlickingerJohn C,HyslopTerry,ZhanTingting,KraftWalter K,SatoTakami,WaldmanSco
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Proteins, Expression, Isolation and Analysis Hexahistidine-tagged human GUCY2CECD (amino acids 1– 429) protein was produced in suspension HEK293 cells and purified to > 90% purity by immobilized metal affinity chromatography (GenScript, Piscataway, NJ). Get A Quote

摘要

The colorectal cancer antigen GUCY2C exhibits unique split tolerance, evoking antigen-specific CD8, but not CD4, T-cell responses that deliver anti-tumor immunity without autoimmunity in mice. Here, the cancer vaccine Ad5-GUCY2C-PADRE was evaluated in a first-in-man phase I clinical study of patients with early-stage colorectal cancer to assess its safety and immunological efficacy.

关键词

Colorectal cancer,GUCY2C,Guanylyl cyclase C,Vac