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In vitro induction of specific CD8+ T lymphocytes by tumor-associated antigenic peptides in patients with oral squamous cell carcinoma.

Abstract：

:The aim of this study was to clarify candidate peptides for peptide-based specific immunotherapy of patients with oral squamous cell carcinoma (SCC). Thirteen peptides were examined for in vitro induction of peptide-specific CD8(+) T lymphocyte (CD8(+)TL) activity in peripheral blood mononuclear cells from 35 patients with oral SCC. A correlation between the induction ability of CD8(+)TL and in vivo immune response of host was carried out immunohistochemically in 23 patients. Peptide-specific activities of CD8(+)TL for at least one peptide were detectable in 21/35 patients (60.0%). The potent peptides were SART-1(690) in 9/35 (25.7%), SART-2(93), and ART4(75) in 7/35 (20.0%), respectively. In the 9 patients with SART-1(690)-specific activity, the whole of activities was significantly inducible for more number of other peptides compared to that in 26 patients without the activity (P=0.035). Cellular responses in 7 patients with SART-1(690)-specific activity were significantly stronger than those in 16 patients without the activity (P=0.027). Furthermore, the number of CD3(+) T cells around the SCC was also significantly different between the 2 groups of patients (P=0.041). In conclusion, SART-1(690), SART-2(93), and ART4(75) could be applicable as peptide-based specific immunotherapies for the majority of patients with oral SCC.

journal_name

Cancer Lett

journal_title

Cancer letters

authors

Toyoshima T,Kumamaru W,Hayashida JN,Moriyama M,Kitamura R,Tanaka H,Yamada A,Itoh K,Nakamura S

doi

10.1016/j.canlet.2012.02.016

subject

Has Abstract

pub_date

2012-09-01 00:00:00

pages

86-91

issue

1

eissn

0304-3835

issn

1872-7980

pii

S0304-3835(12)00117-6

journal_volume

322

pub_type

杂志文章

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