Compound Reference
TB-500 Research Overview
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TB-500 (also written without a hyphen, TB500), as specified for this listing, is synthetic full-length Thymosin Beta-4, a naturally occurring 43-amino-acid peptide involved in actin regulation and cell migration. The name TB-500 is also used elsewhere for a much shorter acetylated fragment, so the measured molecular mass on the lot COA is what confirms the material.
TB-500 has no approved human medical indication and has not been evaluated by the FDA or any other regulatory body for safety or efficacy in humans. Published research on TB-500 is overwhelmingly preclinical: conducted in vitro (cell and tissue culture) or in animal models, primarily rodents. We are not aware of well-controlled human clinical trials establishing a therapeutic effect for any condition.
Published research on Thymosin Beta-4, the molecule specified for this listing, is concentrated in a few recurring preclinical themes:
- Cell migration and actin regulation — in vitro studies have examined Thymosin Beta-4's role as an actin-sequestering protein and its effects on cell motility, the mechanistic basis for most downstream research interest in this peptide.
- Cardiac tissue models — animal models of cardiac injury have investigated Thymosin Beta-4 in relation to post-injury vascular and tissue-repair signaling.
- Cutaneous and corneal wound models — rodent skin and corneal injury models have been used to study wound-healing-related endpoints associated with this peptide family.
These are summaries of published research topics, not claims about what this product does, and animal-model findings do not establish an effect in humans. See References below to search the primary literature directly.
Limitations
State of the Evidence
Most Thymosin Beta-4 research addresses basic cell biology or animal injury models. The name TB-500 is also applied to a shorter acetylated fragment that is described mainly in analytical papers, so findings about one material should not be assumed to describe the other, and extrapolating from animal tissue to human tissue is not established by the existing literature.
References
Primary Literature
The links below open a PubMed search for each research topic referenced above, rather than a single citation, so you can review the primary literature directly rather than rely on our summary of it.
All products are intended for laboratory and research purposes only. Not for human or veterinary use. Not a drug. Not for diagnostic or therapeutic use.