Co-stimulation with TNF receptor superfamily 4/25 antibodies enhances in-vivo expansion of CD4+CD25+Foxp3+ T cells (Tregs) in a mouse study for active DNA Aβ42 immunotherapy

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Abstract

The study was designed to test DNA Aβ42 immunization in mice as alternative approach for possible active immunotherapy in Alzheimer patients. As results, we found polarized Th2 immune responses, efficient Aβ42 antibody levels, and disappearance of antigen specific T cells. In-vivo TNFRSF4/25 antibody co-stimulation enhanced Aβ42 specific T cell responses with initial Th2 expansion and subsequent development of Aβ42 specific CD4. +. CD25. +. Foxp3. + cells. It showed that Th2 biased responses due to gene gun immunizations propagate the development of regulatory T cells. In conclusion, full-length DNA Aβ42 immunization into skin results in a regulatory response with minimal risk of inflammation and autoimmunity.

Original languageEnglish (US)
Pages (from-to)90-99
Number of pages10
JournalJournal of Neuroimmunology
Volume278
DOIs
StatePublished - Jan 15 2015

Keywords

  • Alzheimer disease
  • DNA Aβ42 immunization
  • Skin immunity
  • TNFRSF4/25 antibody co-stimulation
  • Th2/Treg differentiation

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology
  • Neurology
  • Clinical Neurology

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