Selank is a synthetic heptapeptide with the sequence Thr Lys Pro Arg Pro Gly Pro (TKPRPGP) and is described as a tuftsin analog. In experimental systems, Selank has been studied for its effects on neurotransmission related gene expression and intracellular signaling, including reported interactions with GABAergic associated pathways in model settings. Selank is used in research investigating peptide neuromodulation, neuroimmune signaling interfaces, and pathway level transcriptional regulation in laboratory models.

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