The series of molecular signals initiated by an extracellular ligand binding to a receptor on the surface of the target cell capable of activating, perpetuating, or inhibiting an immune response.
integrin-mediated signaling pathway +
lipopolysaccharide-mediated signaling pathway +
netrin-activated signaling pathway +
neuropilin signaling pathway +
neurotrophin signaling pathway +
Norrin signaling pathway
Notch signaling pathway +
positive regulation of integrin activation by cell surface receptor linked signal transduction