期刊
JOURNAL OF INVESTIGATIVE DERMATOLOGY
卷 131, 期 6, 页码 1240-1251出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/jid.2011.16
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In this study, we report the previously unknown mechanism of inducing robust anti-melanoma immunity by the vitiligo-inducing compound monobenzone. We show monobenzone to increase melanocyte and melanoma cell immunogenicity by forming quinone-haptens to the tyrosinase protein and by inducing the release of tyrosinase-and melanoma antigen recognized by T cells-1 (MART-1)-containing CD63+ exosomes following melanosome oxidative stress induction. Monobenzone further augments the processing and shedding of melanocyte-differentiation antigens by inducing melanosome autophagy and enhanced tyrosinase ubiquitination, ultimately activating dendritic cells, which induced cytotoxic human melanoma-reactive T cells. These T cells effectively eradicate melanoma in vivo, as we have reported previously. Monobenzone thereby represents a promising and readily applicable compound for immunotherapy in melanoma patients.
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