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About this product
- DescriptionActive specific immutherapy is a promising but investigational modality in the management of cancer patients. Currently, several different cancer vaccine formulations such as peptides, proteins, antigen-pulsed dendritic cells, whole tumor cells, etc. in combination with various adjuvants and carriers are being evaluated in clinical trials (1-3). To determine the optimal cancer vaccine strategy, a surrogate immulogical end-point that correlates with clinical outcome needs to be defined, since it would facilitate the rapid comparison of these various formulations. Traditional immulogical assays such as ELISA, proliferation and cytotoxicity assays can detect immune responses in vaccinated patients but are t quantitative. In contrast, vel assays such as enzyme-linked immuspot (ELISPOT) assay, intracellular cytokine assay and tetramer assay can quantitate the frequency of antigen-specific T cells. Of these, the ELISPOT assay has the 5 lowest detection limit with 1/10 peripheral blood monuclear cells (PBMC) and has been determined to be one of the most useful assays to evaluate immune response to cancer vaccines (4). However, the IFN-? ELISPOT assay is t an exclusive measure of cytotoxic T-lymphocyte (CTL) activity as n-cytotoxic cells can also secrete IFN-?. Additionally, CTL with lytic activity do t always secrete IFN-? (5). A more relevant approach to assess functional activity of cytotoxic lymphocytes would be to measure the secretion of molecules that are associated with lytic activity. One of the major mechanisms of cell-mediated cytotoxicity involves exocytosis of cytoplasmic granules from the effector toward the target cell.
- PublisherSpringer-Verlag New York Inc.
- Date of Publication01/09/2005
- SubjectClinical Medicine: Professional
- Place of PublicationNew York, NY
- Country of PublicationUnited States
- ImprintSpringer-Verlag New York Inc.
- Content Notebiography
- Weight800 g
- Width156 mm
- Height232 mm
- Spine27 mm
- Edited byDirk Nagorsen,F.M. Marincola
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