KISS1 and head and neck cancer: In fact, it has been described that the KiSS-1/KiSS-1R system is involved in the sensitivity to traditional drugs, since the reconstitution of KiSS-1 in cisplatin-resistant head and neck cancer cells restores platinum sensitivity; in addition, KiSS-1R has been reported to be involved in the process of drug resistance in TNBC.