The incidence of melanoma — the most aggressive form of skin cancer — is dramatically increasing, while the development of innovative therapeutic strategies continues to be challenging, especially due to a lack of knowledge about the molecular mechanisms underlying melanoma progression as well as antitumor immunity. In this issue of the JCI, Yong Lu and colleagues report a central role for Th9 cells in antitumor immunity.
Edgar Schmitt, Tobias Bopp
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