Epitope repertoire of human CD4+ T cells on tetanus toxin

Identification of immunodominant sequence segments

B. M. Diethelm-Okita, Raghavan Pillai Raju, D. K. Okita, B. M. Conti-Fine

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Sequence regions of tetanus toxin-forming CD4+ cell epitopes in 8 HLA- disparate subjects were identified. Overlapping synthetic peptides corresponding to the complete tetanus toxin sequence were used to test, in a proliferation assay, unselected blood CD4+ cells or CD4+ cell lines propagated by stimulation with tetanus toxoid. The CD4+ cell lines recognized most peptides recognized by the blood CD4+ cells and they recognized additional peptides. Their responses were stronger than those of unselected blood CD4+ cells. Two peptides were recognized by all subjects: one largely overlapped a tetanus toxin sequence region previously identified as a 'universal' T cell epitope. Thirteen other peptides elicited a CD4+ cell response in 6 or 7 of the 8 subjects, and another 10 elicited responses in 5 subjects.

Original languageEnglish (US)
Pages (from-to)382-391
Number of pages10
JournalJournal of Infectious Diseases
Volume175
Issue number2
DOIs
StatePublished - Jan 1 1997
Externally publishedYes

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Tetanus Toxin
Epitopes
T-Lymphocytes
Peptides
Blood Cells
Cell Line
Tetanus Toxoid
T-Lymphocyte Epitopes

ASJC Scopus subject areas

  • Immunology and Allergy
  • Infectious Diseases

Cite this

Epitope repertoire of human CD4+ T cells on tetanus toxin : Identification of immunodominant sequence segments. / Diethelm-Okita, B. M.; Raju, Raghavan Pillai; Okita, D. K.; Conti-Fine, B. M.

In: Journal of Infectious Diseases, Vol. 175, No. 2, 01.01.1997, p. 382-391.

Research output: Contribution to journalArticle

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