Kisspeptin 13 inhibits glucose-induced insulin secretion with an IC50 of 1.2 nM. Kisspeptin 13 activates the hypothalamic-pituitary-adrenal (HPA) axis, causes hyperthermia, motor behavior and anxiety in rats. Kisspeptin 13 interacts with α2-adrenergic and 5-HT2 serotonin receptors, exhibits antidepressant efficacy. Kisspeptin 13 is an activator for GPR54 and GnRH receptor, which enhances memory and can be used in Alzheimer's disease research.

Imupedone (LF 1695) is a synthetic immunomodulator that modulates T lymphocytes and macrophages, induces T-cell differentiation of bone marrow precursor cells, and increases the proliferative response of lymphocytes to mitogens, antigens, and allogeneic cells.=

Human LL-37 is a 37 amino acid cationic (6+) peptide and has been widely studied. LL-37 penetrates the bacterial membrane and forms pores in the membrane.