Radiosensitivity enhancers in radiotherapy for cancer and nucleic acids and proteins enhancing radiosensitivity

摘要

A radiosensitivity enhancer comprising as the effective ingredient, a nucleic acid having the base sequence set forth in SEQ ID NO:1 or SEQ ID NO:3, or a protein having the amino acid sequence set forth in SEQ ID NO:2 or SEQ ID NO: 4 is used to enhance the radiosensitivity of a malignant tumor cell with the sensitization effect allowing radiotherapy to be effective against a radiation resistant tumor or the malignant tumor of which the radiosensitivity has been lowered.