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TB-500

Name: TB-500
Brand: Peptide Titans
SKU: 392
Availability: OutOfStock

Price range: $139.99 through $249.99

TB-500 is a synthetic peptide fragment derived from Thymosin Beta-4, commonly studied in research settings for its role in cellular migration, tissue repair pathways, and actin regulation. It is supplied as a lyophilized powder for laboratory use and is intended strictly for research purposes only, not for human or veterinary use.

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Molecular Characteristics

Complete Specifications

CAS Registry Number: 77591-33-4
PubChem CID: 16129678
Peptide Classification: Synthetic polypeptide (Thymosin Beta-4 analog)
Molecular Formula: C₂₁₂H₃₅₀N₅₆O₇₈S
Molecular Weight: ~4,963 Da

Structural Composition

Amino Acid Sequence:
Ac-Ser-Asp-Lys-Pro-Asp-Met-Ala-Glu-Ile-Glu-Lys-Phe-Asp-Lys-Ser-Lys-Leu-Lys-Lys-Ala-Gly-Glu-Lys-Ala-Glu-Asp-Gly-Glu-Asp-Ala-Glu-Asp-Asp-Ala-Gly-Gly-Glu-Ala-Pro-Glu-Ala-Glu
Length: 43 amino acids

Physical Properties

Appearance: White to off-white lyophilized powder
Solubility: Water, bacteriostatic water, phosphate-buffered saline (PBS)

Structural & Stability Notes

TB-500 is a 43-amino-acid synthetic polypeptide modeled after Thymosin Beta-4. Its extended sequence and acetylated N-terminus contribute to enhanced molecular stability and resistance to rapid degradation under controlled research conditions. The peptide contains a high proportion of charged and polar residues, supporting strong aqueous solubility. The balanced distribution of acidic and basic amino acids may influence intermolecular interactions and structural flexibility, making TB-500 suitable for a wide range of laboratory and analytical applications.

Research Applications

Tissue Repair and Regeneration Research

TB-500 is widely utilized as a research compound for investigating cellular repair, regeneration, and cytoskeletal dynamics. Laboratory studies focus on its involvement in:

Cell Migration and Actin Regulation: Examination of actin-binding activity, cytoskeletal remodeling, and directed cell movement during tissue repair
Wound Healing Models: Evaluation of epithelial and connective tissue closure across acute and chronic injury models
Angiogenesis Studies: Analysis of new blood vessel formation, endothelial cell proliferation, and vascular network development
Extracellular Matrix Remodeling: Research into matrix organization, cellular adhesion, and structural tissue support mechanisms
Growth and Repair Signaling Pathways: Investigation of intracellular signaling involved in cellular repair and regeneration responses

Experimental protocols commonly employ in vitro cell culture systems—including endothelial, fibroblast, and epithelial cells—as well as in vivo wound healing and tissue injury models to characterize TB-500–mediated repair mechanisms.

Musculoskeletal Research Applications

TB-500 is extensively studied in musculoskeletal research due to its role in cellular migration and tissue remodeling. Key areas of investigation include:

Muscle Fiber Repair and Recovery: Evaluation of muscle cell regeneration, structural repair, and recovery processes following injury
Tendon and Ligament Healing: Analysis of connective tissue remodeling, collagen organization, and tensile strength restoration
Joint and Soft Tissue Studies: Investigation of periarticular tissue maintenance and structural integrity
Inflammatory Response Modulation: Research into cellular responses associated with inflammation during tissue repair
Biomechanical Recovery Models: Examination of functional recovery and tissue resilience following musculoskeletal injury

These studies utilize muscle injury, tendon strain, and soft tissue damage models, with outcomes assessed through histological analysis, molecular profiling, and biomechanical testing.

Cardiovascular and Vascular Research

TB-500 has been investigated for its involvement in vascular repair and endothelial function, with research focusing on:

Endothelial Cell Migration: Analysis of endothelial movement and organization during vascular repair processes
Neovascularization Models: Investigation of new vessel formation and microvascular network development
Blood Flow and Perfusion Studies: Research into circulation dynamics and tissue oxygenation in repair models
Vascular Integrity and Protection: Examination of vessel stability, endothelial junctions, and structural maintenance

Laboratory protocols assess TB-500’s effects on endothelial behavior, vascular growth signaling, and repair responses following experimental vascular injury.

Inflammatory and Cellular Stress Research

Additional research applications explore TB-500’s role in cellular stress responses and inflammation-related pathways, including:

Cell Survival Pathways: Investigation of protective mechanisms supporting cell viability under stress conditions
Oxidative Stress Models: Analysis of cellular responses to oxidative damage and repair signaling activation
Inflammatory Mediator Regulation: Research into cytokine signaling and inflammatory response modulation
Tissue Protection Mechanisms: Examination of cellular defense pathways in injury and stress models

Research in this area focuses on understanding TB-500’s influence on cellular resilience, stress adaptation, and repair-related signaling under experimental conditions.

Laboratory Handling and Storage Protocols

Lyophilized Powder Storage

Store at –20°C to –80°C in the original, sealed vial
Protect from light exposure and moisture
A desiccated storage environment is recommended
Stability data suggests extended stability when stored at −20 °C or below.

Reconstitution Guidelines

Reconstitute using sterile water, bacteriostatic water (0.9% benzyl alcohol), or an appropriate laboratory buffer
Introduce solvent slowly along the vial wall to minimize foaming
Mix using gentle swirling; avoid vigorous agitation or shaking
Allow complete dissolution prior to use (typically 1–2 minutes)
Ensure the final solution is within a physiologically neutral pH range appropriate for laboratory use

Reconstituted Solution Storage

Short-term storage: Up to 7 days at 4°C
Long-term storage: Store at –20°C in aliquots
Use single-use aliquots to preserve peptide integrity
Minimize freeze–thaw cycles; single-use aliquots are strongly recommended

Stability Characteristics

TB-500 exhibits a relatively strong stability profile compared to many research peptides. Experimental observations suggest it maintains structural integrity under properly controlled laboratory and storage conditions, with good solubility and resistance to rapid degradation when handled according to standard peptide protocols. This stability supports flexibility in experimental design, storage, and analytical handling within research environments.

Frequently Asked Questions

What is TB-500?

TB-500 is a synthetic peptide fragment derived from Thymosin Beta-4. In laboratory and preclinical research settings, it is studied for its role in cell migration, tissue repair pathways, and actin regulation. TB-500 is intended for research use only and is not approved for human or veterinary use.

What is TB-500 commonly researched for?

In research environments, TB-500 is studied for its potential involvement in:

Cellular regeneration pathways
Tissue repair signaling
Angiogenesis (formation of new blood vessels)
Inflammation modulation mechanisms

These studies are experimental and primarily conducted in in-vitro and animal models.

Is TB-500 the same as Thymosin Beta-4 (TB-4)?

Not exactly. TB-500 is a shortened, synthetic fragment of Thymosin Beta-4. While they share overlapping sequences, TB-500 is not identical to full-length TB-4 and may behave differently in research contexts.

How is TB-500 supplied?

TB-500 is typically supplied as a lyophilized (freeze-dried) powder in sterile vials. This form allows for improved stability during storage and shipping prior to reconstitution in a laboratory setting.

How should unreconstituted TB-500 be stored?

Lyophilized TB-500 should be stored:

Long-term: −20 °C to −80 °C (freezer)
Short-term (up to 3 months): 2–8 °C (refrigerated)

Vials should remain sealed, protected from light and moisture, and allowed to reach room temperature before opening to prevent condensation.

Does TB-500 require a Certificate of Analysis (COA)?

Yes. A Certificate of Analysis (COA) should be available for each batch, confirming identity, purity, and analytical testing results. COAs help ensure consistency and transparency for research applications.

Is TB-500 approved by the FDA?

No. TB-500 is not FDA-approved as a drug, supplement, or therapy. It is sold strictly as a research compound and must not be marketed for diagnostic, therapeutic, or human consumption purposes.

Can TB-500 be combined with other peptides in research?

In experimental settings, researchers may study TB-500 alongside other peptides to evaluate synergistic or comparative effects. Any such use should follow proper laboratory protocols and ethical research standards.

⚠️ Research Use Only

This product is not for human consumption. It is sold strictly for research and educational purposes and is not intended to diagnose, treat, cure, or prevent any disease.

Any clinical data or research information referenced on this page is derived from peer-reviewed scientific literature and official publications. This information is provided for educational reference only and does not constitute medical advice or product claims.

By purchasing this product, you acknowledge that you are a qualified researcher and agree to use it in full compliance with all applicable laws and regulations.

Mg	5 mg x 10 Vials (No labels), 10 mg x 10 Vials (No labels)

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