Peptide Library · Tissue & repair models

TB-500

Also known as Thymosin Beta-4 fragment

A lab-made peptide based on part of a natural protein (thymosin beta-4). It is studied in lab research on how cells move and how wounds close.

What it is

A synthetic peptide related to the actin-binding region of thymosin beta-4. It is studied in preclinical cell-migration and wound-model research.

Articles about TB-500

TB-500 Is Not Thymosin Beta-4. Why the Difference Matters When Reading the Research. October 30, 2026