The pathways include olfactory transduction [19], cytokine-cytokine receptor interaction [19], neuroactive ligand-receptor interaction [20], pathways in cancer [21,22,23], MAPK signaling pathways [24], PPAR signaling pathways [25], GnRH signaling pathways [26], Notch signaling pathways [17,27,28], calcium signaling pathways [22], Wnt signaling pathways [29,30], and Jak-STAT signaling pathways [31], suggesting that HSC has radio-protective effects mainly or partially through the modulation of these pathways. Here, GNRH1 is linked to cancer.