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TB-500 is a synthetic form of the active region of Thymosin Beta-4, a naturally occurring peptide studied for its role in cell migration and actin regulation in laboratory models

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A possible persulfidation is also reported but the targeted cysteine(s) not identified ( in vitro and in vivo , which dissociate into monomers upon reduction (Yang et al., 2019)

Regulation of synaptic efficacy by coincidence of postsynaptic APs and EPSPs