TAT 14, a 14-mer peptide, is an Nrf2 activator with anti-inflammatory properties. TAT-14 increases Nrf2 protein levels due to targeting the Nrf2 binding site on Keap1, but has no effect on Nrf2 mRNA expression.

Neurotensin, guinea pig

Orexin A human, rat, mouse, a 33 amino acid excitatory neuropeptide, orchestrates diverse central and peripheral processes. Orexin A human, rat, mouse has been used to study its effect on the functioning of porcine pancreatic islets. It has also been used as an orexin receptor 1 (OX1R) antagonist to study the effect of orexin systems in the effect of etonogestrel on respiratory response to prolonged metabolic acidosis.