Targeting adult and pediatric cancers via cell-based vaccines and the prospect of activated B lymphocytes as a novel modality.

Abstract:

:The delivery of cell-based vaccines that exploit natural mechanisms of antigen presentation represents a promising approach for immunotherapy of cancer. This strategy tests the hypothesis that ex vivo manipulation and reinjection of cellular products can induce immune responses and circumvent immune incompetence to achieve clinically significant results. Whole or modified tumor cell vaccines and antigen-loaded dendritic cells (DC) are under intense clinical and scientific evaluation, but other cell-based approaches including the use of activated B lymphocytes have shown promise in preclinical in vitro models. RNA-transfected CD40-activated B cells may fill a particular need in pediatric cancer patients and other patients in whom DC manufacturing is problematic. Thus far, evidence of immunological activity of cell-based vaccines has surpassed that of clinical efficacy, but recent advances and strong safety data from multiple approaches justifies randomized studies in healthier patients who are more likely to benefit.

journal_name

Cancer Biol Ther

journal_title

Cancer biology & therapy

authors

Coughlin CM,Vonderheide RH

doi

10.4161/cbt.2.5.445

keywords:

subject

Has Abstract

pub_date

2003-09-01 00:00:00

pages

466-70

issue

5

eissn

1538-4047

issn

1555-8576

pii

445

journal_volume

2

pub_type

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