YAKUGAKU ZASSHI
Online ISSN : 1347-5231
Print ISSN : 0031-6903
ISSN-L : 0031-6903
誌上シンポジウム
活性増強型TNF変異体の粘膜ワクチンアジュバントへの応用
萱室 裕之吉岡 靖雄阿部 康弘鎌田 春彦角田 慎一堤 康央
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2010 年 130 巻 1 号 p. 55-61

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  A large number of emerging pathogens, such as severe acute respiratory syndrome (SARS), human immunodeficiency virus (HIV), and influenza virus are mucosally transmitted and must cross mucosal barriers to infect the host. Thus, to induce a maximal protective effect, it is desirable to apply vaccines by the mucosal route where virus infections start. Mucosal vaccines administered either orally or nasally have been shown to be effective in inducing antigen-specific immune responses at both systemic and mucosal compartments. However the mucosal antigen-specific immune response is weak because most protein antigens can evoke only a weak immune response when they are applied mucosally. Therefore, one strategy to overcome the weakness of the immune response is a co-administration of mucosal adjuvant with the vaccine antigen. Unfortunately, the development of safe and effective mucosal adjuvant has proved to be challenging. Cytokines are promising adjuvants because they are human-derived safe material and display potent immune-modulating functions. In this regards, we have created a mutant tumor necrosis factor-α (TNF-α), mTNF-K90R, that exhibits high bioactivity and resistance to proteases. In this report, we examined the potential of mTNF-K90R as a mucosal adjuvant and evaluated its effectiveness and safety.

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© 2010 by the PHARMACEUTICAL SOCIETY OF JAPAN
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