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TB-500 is a research peptide corresponding to a 43-amino-acid sequence derived from Thymosin Beta-4, an actin-binding protein involved in cytoskeletal organization and cellular regeneration. It is studied for its role in regulating actin dynamics and cell motility.

Preclinical studies indicate that TB-500 influences cell migration, angiogenic signaling, and actin polymerization through modulation of the β-actin/G-actin cycle and associated growth-factor pathways. As a research compound, it is commonly used to investigate wound repair mechanisms, cellular movement, and peptide-mediated regenerative processes under controlled experimental conditions.

For research use only. Not intended for human or animal use.