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Compounds studied in tissue-repair, healing, and immune-support models.
5 results
Thymosin Alpha-1 (Thymalfasin) is a naturally occurring 28-amino acid peptide with a molecular weight of 3108.3 g/mol and CAS number 62304-98-7. Originally isolated from thymic tissue (Thymosin Fraction 5), it is an N-terminally acetylated peptide that plays a central role in T-cell maturation and immune system regulation. Research demonstrates Thymosin Alpha-1 enhances both innate and adaptive immune responses through multiple mechanisms. Studies show it promotes T-cell differentiation from progenitor cells, augments T-cell function through increased expression of IL-2 receptors and MHC class I molecules, stimulates dendritic cell maturation, and enhances natural killer cell cytotoxicity. It activates toll-like receptors TLR2 and TLR9, bridging innate immune recognition with adaptive immune responses. Preclinical and clinical research documents Thymosin Alpha-1’s immunomodulatory effects in infection models, with studies showing improved immune response to viral, bacterial, and fungal pathogens. Research in immunocompromised models demonstrates restoration of T-cell populations and function, with particular enhancement of CD4+ and CD8+ T-cell responses. Additional research areas include Thymosin Alpha-1’s effects on vaccine immunogenicity, with studies showing enhanced antibody responses and T-cell memory formation when co-administered with vaccines in immunocompromised subjects. Each vial contains 10mg of lyophilized Thymosin Alpha-1 at greater than 99% purity, verified by HPLC and mass spectrometry.
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Thymosin Beta-4 (TB-500) is a naturally occurring 43-amino acid peptide present in virtually all human and animal cells, with particularly high concentrations in blood platelets, wound fluid, and developing tissue. It has a molecular weight of 4963 g/mol and CAS number 77591-33-4. TB-500 is the synthetic version of the active region of Thymosin Beta-4. Research has established TB-500 as a major actin-sequestering molecule in eukaryotic cells. By binding to G-actin (monomeric actin), it plays a critical role in regulating actin polymerization, which is essential for cell migration, proliferation, and differentiation. This mechanism underlies its documented effects on wound repair and tissue regeneration in animal studies. In preclinical models, TB-500 has demonstrated the ability to promote endothelial cell migration and differentiation, accelerate dermal and corneal wound repair, reduce inflammatory cytokine production, and protect cardiomyocytes from oxidative stress. Studies in equine and rodent models show enhanced recovery from muscle and tendon injuries, with increased collagen deposition and reduced scar tissue formation. The peptide has also been investigated for its anti-inflammatory properties, with research showing downregulation of inflammatory chemokines and cytokines including MIP-1alpha, MIP-2, and MCP-1. Its role in hair follicle stem cell migration has been documented, with studies showing stimulation of hair growth through activation of follicular progenitor cells. Each vial contains 10mg of lyophilized TB-500 at greater than 99% purity, verified by independent HPLC and mass spectrometry testing. Supplied as a sterile, white lyophilized powder for reconstitution.
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KPV is a naturally occurring tripeptide consisting of Lys-Pro-Val (lysine-proline-valine), representing the C-terminal fragment (amino acids 11-13) of alpha-melanocyte-stimulating hormone (alpha-MSH). It has a molecular weight of 342.43 g/mol and CAS number 67727-97-3. Despite being the smallest active fragment of alpha-MSH, KPV retains significant anti-inflammatory activity. Research demonstrates KPV exerts potent anti-inflammatory effects through inhibition of NF-kB nuclear translocation, a master regulator of inflammatory gene expression. Studies show it suppresses production of pro-inflammatory cytokines including TNF-alpha, IL-1beta, IL-6, and IL-8 in multiple cell types including macrophages, keratinocytes, and intestinal epithelial cells. Preclinical studies in inflammatory bowel disease models demonstrate KPV reduces mucosal inflammation, decreases inflammatory cell infiltration, and promotes epithelial barrier integrity. Research shows it can be delivered orally in nanoparticle formulations that target inflamed intestinal tissue, with studies demonstrating therapeutic efficacy in colitis models comparable to conventional anti-inflammatory agents. Additional research areas include KPV’s antimicrobial properties, with studies showing direct bactericidal activity against Staphylococcus aureus and Candida albicans, and its effects on wound healing through modulation of inflammatory phase duration and promotion of re-epithelialization. Each vial contains 10mg of lyophilized KPV at greater than 99% purity, verified by HPLC and mass spectrometry.
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