| abstract |
An object of the present invention is to provide a naturally-occurring component that acts in an inhibitory manner on a protein such as an immune checkpoint molecule that acts on the immune system in a suppressive manner and can improve immunity against cancer. The present invention provides an anticancer drug resistance inhibitor comprising, as an active ingredient, an extract of Helicium erinaceum, an extract of Armillaria sp., And / or an extract of Agrocybe chaxingu. [Selection diagram] None |