TAFA4 and cervical cancer: Among TAFA ligands, TAFA4, also called FAM19A4 is a secreted chemokine-like protein of 12 kDa weight, which has been relatively well studied, with research implicating its importance for the detection of cervical cancer (Delfini et al., 2013; Wang et al., 2015; Luttmer et al., 2016b).