TB500 CAS 885340-08-9 High Purity Synthetic Peptide API for Tissue Repair & Wound Healing with COA HPLC

TB500 More Info

TB500, identified by the Chemical Abstracts Service Registry Number 885340-08-9, is a synthetic peptide corresponding to a short-chain fragment of a naturally occurring regulatory protein involved in cellular structure and movement. Its molecular formula is C₃₈H₆₈N₁₀O₁₄, with a molecular weight of approximately 889.01 grams per mole, and it is chemically defined as the N-acetylated heptapeptide with the amino acid sequence Ac-Leu-Lys-Lys-Thr-Glu-Thr-Gln, often represented by the single-letter code LKKTETQ. In its physical form, TB500 appears as a white solid powder that is soluble in water, with reported solubility up to approximately 250 milligrams per milliliter, and it requires storage at low temperatures, typically at or below negative twenty degrees Celsius, to maintain stability and prevent degradation.

The pharmacological mechanism of TB500 is centered on its ability to interact with actin, the fundamental structural protein that forms the cytoskeleton of all eukaryotic cells. By binding to and sequestering actin monomers, TB500 regulates the dynamic processes of polymerization and depolymerization that are essential for cell motility, shape maintenance, and intracellular transport. This actin-modulating activity translates into a range of biological effects that have been investigated in preclinical research models. TB500 has been reported to promote the differentiation of endothelial cells, a critical process for the formation of new blood vessels, and to facilitate the migration of keratinocytes, which is a key step in the re-epithelialization of damaged tissue. Additionally, the peptide has been shown to stimulate collagen deposition, contributing to the structural integrity of healing tissues, and to exhibit anti-inflammatory properties that may further support the tissue repair environment.

The research and regulatory landscape surrounding TB500 is notably complex due to its status as a substance of significant interest in both regenerative medicine and athletic doping control. The compound has gained particular attention in veterinary contexts, especially in equine sports, where it has been identified as a performance-enhancing substance. Analytical methods have been developed for detecting TB500 and its metabolites in equine urine and plasma, achieving detection limits as low as 0.01 nanograms per milliliter in urine and 0.02 nanograms per milliliter in plasma. These analytical capabilities are essential for doping control efforts in both equine and human sports, as the peptide has been prohibited by the World Anti-Doping Agency due to its potential to enhance recovery from injury and improve tissue healing beyond normal physiological rates. Commercial suppliers explicitly state that the product is intended for research use only and not for human or veterinary therapeutic application.

From a safety and regulatory perspective, TB500 is not approved for human therapeutic use by any major regulatory authority, including the United States Food and Drug Administration or the European Medicines Agency. Clinical information regarding TB500 remains categorized as having no development reported for medical use, meaning there are no ongoing or completed clinical trials registered for this specific compound as a therapeutic agent. The lack of approved status means that safety data in humans are absent, and the potential risks associated with its use cannot be adequately characterized. Nevertheless, the peptide continues to be studied in preclinical settings for its wound healing and tissue repair properties, reflecting ongoing scientific interest in the therapeutic potential of actin-binding peptides. The compound's ability to promote angiogenesis, cell migration, and collagen deposition while reducing inflammation positions it as a molecule of interest for conditions involving tissue damage, though substantial research remains necessary before any clinical applications could be contemplated.

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