GPRC5A and cancer: Amongst them, the orphan receptor GPRC5A has the double feature of being strongly involved in cancer (Acquafreda et al., 2009; Zhou and Rigoutsos, 2014; Jiang et al., 2018) and of being localized on Golgi associated vesicles and plasma membrane (Zhou and Rigoutsos, 2014; Hirabayashi and Kim, 2020; Di Martino et al., 2020 BioRxiv).