Escape from ferroptosis is an important determinant of metastasis and immune evasion in melanoma. In a new article of the Journal of Investigative Dermatology, Wang et al. (2021) identify the CAMKK2‒adenosine monophosphate-activated protein kinase‒NRF2 signaling axis as a negative regulator of ferroptosis and showed that inhibiting CAMKK2 increases the efficacy of anti-PD-1 therapy. These findings offer new opportunities for the development of ferroptosis-inducing therapies to use in combination with immune checkpoint agents.
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