Abstract
While NKT cells comprise only a very small percentage of lymphoctyes, they play very important roles in many disease settings, including cancer. NKT cells can be subdivided into at least two groups that play opposing roles in cancer and also counterregulate each other. While type I NKT cells can promote strong antitumor immunity, type II NKT cells suppress antitumor immune responses and play more of a regulatory role, similar to Tregs and MDSCs. The balance between type I and type II NKT cells can determine whether immune responses to tumors will be activated, resulting in tumor elimination, or will be suppressed, allowing the tumor to grow. Understanding the interactions between NKT cells may aid in the development of new immunotherapies for cancer which can shift the balance of this immunoregulatory axis towards immune activation and tumor killing.
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O’Konek, J.J., Berzofsky, J.A., Terabe, M. (2012). Immune Regulation of Tumor Immunity by NKT Cells. In: Terabe, M., Berzofsky, J. (eds) Natural Killer T cells. Cancer Drug Discovery and Development. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0613-6_4
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