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Next-generation cancer drugs boost immunotherapy responses

External Link - Source: Nature

An approach to unleashing immune responses against cancer is showing promise in early clinical trials, and may boost the effectiveness of existing therapies. The experimental drugs target a protein called IDO, which starves immune cells by breaking down the crucial amino acid tryptophan. IDO can suppress immune responses and rein in potentially damaging inflammation. But it can also halt the body’s natural immune response to cancer and allow tumours to grow unchecked.

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