Cell Signaling and Signal Transduction

  1. Signaling Molecules
    1. Classification by Chemical Nature
      1. Hydrophilic Ligands
        1. Peptide Ligands
          1. Protein Ligands
            1. Amino Acid Derivatives
              1. Nucleotide-Based Ligands
              2. Hydrophobic Ligands
                1. Steroid Hormones
                  1. Thyroid Hormones
                    1. Retinoids
                      1. Eicosanoids
                    2. Classification by Function
                      1. Hormones
                        1. Endocrine Hormones
                          1. Paracrine Hormones
                          2. Neurotransmitters
                            1. Small Molecule Neurotransmitters
                              1. Neuropeptides
                              2. Growth Factors
                                1. Epidermal Growth Factor
                                  1. Platelet-Derived Growth Factor
                                    1. Nerve Growth Factor
                                    2. Cytokines
                                      1. Interleukins
                                        1. Interferons
                                          1. Tumor Necrosis Factors
                                          2. Eicosanoids
                                            1. Prostaglandins
                                              1. Leukotrienes
                                              2. Dissolved Gases
                                                1. Nitric Oxide
                                                  1. Carbon Monoxide

                                              Previous

                                              1. Fundamentals of Cell Communication

                                              Go to top

                                              Next

                                              3. Cellular Receptors