Ttk peptides and vaccines including the same
An amino acid, the following group technology, applied in the field of drugs for the treatment and prevention of tumors, can solve problems such as low objective response rate
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[0338] Materials and Method
[0339] Cell line
[0340] T2 (HLA-A2), human B lymphoblastoid cell line and COS7, African green monkey kidney cell line were purchased from ATCC. HLA-A2-positive and TTK-positive tumor cell line H1650 was purchased from ATCC. The HLA-A2 negative and TTK positive cell lines PC-3 and TE-1 were purchased from JCRB cell bank and RIKEN cell bank, respectively.
[0341] Synthesis of peptides derived from TTK
[0342] Based on the prediction of binding affinity for HLA-A*0201 molecules, 9-mer and 10-mer peptides derived from TTK (SEQ ID NO: 1 to 38) were designed. These peptides were synthesized by SIGMA (Sapporo, Japan) or Biosynthesis Inc. (Lewisville, TX) according to standard solid phase synthesis methods, and purified by reversed-phase high performance liquid chromatography (HPLC). The purity (>90%) and identity of the peptide were determined by analytical HPLC and mass spectrometry analysis, respectively. The peptide was dissolved in dimethyl sulfox...
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