TB500 5mg
$44.99
TB500 – 5mg vial
Thymosin Beta-4 is a 43 amino acid peptide sequence. In animal models, Thymosin Beta-4 has been shown to improve blood vessel growth, regulate wound healing, decrease inflammation, and reduce oxidative damage in the heart and central nervous system.
Thymosin-beta-4 has a role in protection, tissue repair, regeneration and remodeling of injured or damaged tissues. It is also of active interest in anti-aging research.
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TB-500 5mg Properties
Chemical Formula: C38H68N10O14
Molecular Mass: 889.01g/mol
Synonyms: Thymosin Beta-4 Acetate
CAS Number: 885340-08-9
PubChem: 16132341
Total Amount of the Active Ingredient: 5 mg (1 vial)
Shelf Life: 36 months
Product Quality
Lab tests are occasionally published on the website.
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Peer-Reviewed Studies
Abstract
The formulation TB-500 is suspected to be used as doping agent in sport. This work describes the detection and the identification of the N-terminal acetylated 17-23 fragment of human thymosin beta 4 (Ac-LKKTETQ) in TB-500 by means of high-performance liquid chromatography/high resolution mass spectrometry using an Orbitrap Exactive benchtop mass spectrometer. Ac-LKKTETQ was also synthesized by solid-phase peptide synthesis, and an analytical strategy for detection in plasma and urine by high-performance liquid chromatography/low resolution triple-quadrupole mass spectrometry was suggested.
Adsorption effects of the doping relevant peptides Insulin Lispro, Synachten, TB-500 and GHRP 5
Abstract
The tendency of peptides to adsorb to surfaces can raise a concern in variety of analytical fields where the qualitative/quantitative measurement of low concentration analytes (ng/mL-pg/mL) is required. To demonstrate the importance of using the optimal glassware/plasticware, four doping relevant model peptides (GHRP 5, TB-500, Insulin Lispro, Synachten) were chosen and their recovery from various surfaces were evaluated. Our experiments showed that choosing expensive consumables with low-bind characteristics is not beneficial in all cases. A careful selection of the consumables based on the evaluation of the physico/chemical features of the peptide is recommended.
Abstract
Background: TB-500 (Ac-LKKTETQ), derived from the active site of thymosin β4 (Tβ4), has various biological functions in its unacetylated form, LKKTETQ. These functions include actin binding, dermal wound healing, angiogenesis, and skin repair. The biological effects of TB-500, however, have not been documented. And the analysis of TB-500 and its metabolites have been neither simultaneously quantified nor structurally identified using synthesized authentic standards.
Methods: This study was aimed to investigating simultaneous analytical methods of TB-500 and its metabolites in in-vitro and urine samples by using UHPLC-Q-Exactive orbitrap MS, and to comparing the biological activity of its metabolites with the parent TB-500. The metabolism of TB-500 was investigated in human serum, various in-vitro enzyme systems, and urine samples from rats treated with TB-500, and their biological activities measured by cytotoxicity and wound healing experiments were also evaluated in fibroblasts.
Results: The simultaneous analytical method for TB-500 and its metabolites was developed and validated. The study found that Ac-LK was the primary metabolite with the highest concentration in rats at 0-6 h intervals. Also, the metabolite Ac-LKK was a long-term metabolite of TB-500 detected up to 72 hr. No cytotoxicity of the parent and its metabolites was found. Ac-LKKTE only showed a significant wound healing activity compared to the control.
Conclusion:The study provides a valuable tool for quantifying TB-500 and its metabolites, contributing to the understanding of metabolism and potential therapeutic applications. Our results also suggest that the previously reported wound-healing activity of TB-500 in literature may be due to its metabolite Ac-LKKTE rather than the parent form.
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Disclaimer
The information provided above is not intended to substitute medical advice, diagnosis, or treatment. Should you have any questions regarding a medical condition, seek the advice of your physician or a qualified healthcare provider. In no case should medical advice be disregarded or delayed because of what you have read or seen. We bear no responsibility or liability for your use of any of our research compounds and products. Please note that they are being sold for research purposes ONLY. We do NOT condone any personal use.
Note: In some cases wherein the assigned top colors are out of stock, a different top color will be used to ensure that your order will not be delayed. Should you need assistance identifying the peptide vial that you received, please send us an email at [email protected]
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This product should only be handled by qualified and licensed professionals. The product may not be used as a drug, agricultural or pesticide product, food additive, or household chemical – and may not be misbranded as such. All information on this website is available for educational purposes only. Bodily introduction of any kind into humans and/or animals is strictly forbidden by law.
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The products offered on this website are furnished for in-vitro studies only. In-vitro studies (Latin: "in glass") are performed outside the body. These products are not medicines or drugs and have not been approved by the FDA to prevent, treat and/or cure any medical condition, ailment or disease. Bodily introduction of any kind into animals or human is strictly prohibited by law.
Additional information
Weight | 0.5 lbs |
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Title | Default Title |