Selank is a synthetic heptapeptide derived from the naturally occurring tetrapeptide tuftsin, which is involved in immune modulation and regulatory signaling processes. As an analog developed for research purposes, Selank has been studied for its interaction with neurochemical pathways and its influence on neurotransmitter systems within the central nervous system.

In research environments, Selank is frequently investigated for its potential role in modulating GABAergic signaling, neurochemical balance, and stress-related biological pathways. Because of its influence on neuropeptide activity and immune signaling mechanisms, it has been explored in studies related to cognitive processes, neurobiology, and regulatory responses to stress. Its unique peptide structure and interaction with neurochemical pathways make Selank a commonly referenced compound in neuropeptide and behavioral research models.