Cancer vaccines in old age |
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Authors: | Gravekamp Claudia |
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Affiliation: | California Pacific Medical Center Research Institute, 475 Brannan Street, San Francisco, CA 94107, USA. gravekc@cpmcri.org |
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Abstract: | The incidence of cancer has increased over the last decade, mainly due to an increase in the elderly population. Vaccine therapy for cancer is less toxic than chemotherapy or radiation and could be, therefore, especially effective in older, more frail cancer patients. However, it has been shown that older individuals do not respond to vaccine therapy as well as younger adults. This has been attributed to T cell unresponsiveness, a phenomenon also observed in cancer patients per se. This review summarizes the current knowledge of T cell unresponsiveness in cancer patients and elderly, the results of cancer vaccination in preclinical models and in clinical trials, and recent data of cancer vaccination at young and old age in preclinical models. Finally, experimental approaches will be proposed how to make cancer vaccines more effective at older age. |
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Keywords: | Cancer vaccines Aging Immune system Breast cancer Preclinical models |
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