Selection of HLA-A2 Restricted CML28 Peptide by Artificial Antigen-presenting Cells

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Abstract

Chronic myelogenous leukemia (CML) 28 is a broadly immunogenic antigen that can have an antileukemia effect. We adopted the SYFPEITHI database to predict human leukocyte antigen-A2 restricted CML28 peptide. We designed artificial antigen-presenting cells (aAPCs) by coating micro beads with human leukocyte antigen-A2–immunoglobulin dimer and CD28-specific antibody. We used the selected peptides-pulsed aAPCs to induce cytotoxic T lymphocytes (CTLs), to choose the CML28 peptide, which was best for inducing CTLs. The result showed that the peptides-pulsed aAPCs could induce CTLs and that the peptide VLTFALDSV was the best choice for significantly inducing specific CTLs.

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