In cell biology, there are a multitude of signalling pathways. Cell signalling is part of the molecular biology system that controls and coordinates the actions of cells.Akt/PKB signalling pathway AMPK signalling pathway cAMP-dependent pathway Eph/ephrin signalling pathway Hedgehog signalling pathway Hippo signalling pathway Insulin signal transduction pathway JAK-STAT signalling pathway MAPK/ERK signalling pathway mTOR signalling pathway Nodal signalling pathway Notch signalling pathway PI3K/AKT/mTOR signalling pathway TGF beta signalling pathway TLR signalling pathway VEGF signalling pathway Wnt signalling pathway