TB-500

Overview

TB-500 is a synthetic peptide corresponding to a fragment of thymosin beta-4, a protein that occurs naturally throughout the body and plays a role in cell structure and movement via its interaction with actin, a core structural protein inside cells.

Proposed Mechanism

Binds actin to promote cell migration into injury sites, the proposed basis for its study in soft-tissue and cardiac repair models.

Research Context

Research interest centers on thymosin beta-4's (and by extension TB-500's) role in cell migration — the ability of cells to move to where they're needed, which is a foundational part of wound healing and tissue repair. This has led to research interest in soft-tissue injury and, separately, cardiac tissue repair models.

Evidence Status — Well-documented

Mechanism is well-documented; whole-organism human outcome data is limited.

The actin-binding mechanism itself is well-established cell biology, giving this compound's research rationale a solid foundation. What's less established is translation from that mechanism to whole-organism outcomes in humans — most direct evidence remains at the cellular and animal-model level.

Research Use Only

This page is a scientific reference summarizing publicly available research literature. It contains no dosing, administration, or protocol guidance, and nothing here constitutes medical advice. BactoCore does not sell this or any peptide referenced in this index — the only product sold directly is bacteriostatic water. See the Safety section for who should not handle research compounds, and the Research Use Disclaimer for full terms.