TB-500 Fragment 17-23 10mg

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TB-500 Fragment 17-23 10 mg research-grade lyophilized peptide powder supplied in a glass vial. TB-500 Fragment (17-23) is a heptapeptide fragment derived from the active region of thymosin beta-4, corresponding to amino acids 17–23 (sequence LKKTETQ), and is studied in experimental models of tissue repair, actin cytoskeleton modulation, angiogenesis and inflammation control.

Research Use Only: All products are intended exclusively for laboratory and scientific research. Not for human or veterinary use.

Purity

High-purity research grade

Test Certificate

View Certificate of Analysis

Form

Lyophilized peptide powder

Content

10 mg TB-500 Fragment (17-23) per vial

Packaging

Glass vial with sterile closure

Storage

Store lyophilized at 2–8 °C (desiccated, protect from light)

Molecular formula

C₃₆H₆₆N₁₀O₁₃

Molecular weight

~846.97 g·mol⁻¹

Sequence

Leu-Lys-Lys-Thr-Glu-Thr-Gln (LKKTETQ)

CAS number

885340-08-9

In laboratory workflows, lyophilized research peptides are typically handled with suitable sterile diluents such as bacteriostatic water (BAC). For a compatible research-only solvent, see Bacteriostatic water – 10 ml .

Research Overview

TB-500 Fragment (17-23) is a short thymosin beta-4–derived heptapeptide encompassing the LKKTETQ motif that has been identified as an active domain involved in actin binding and tissue-repair–related signaling. In in vitro and in vivo experimental systems, this fragment is used as a minimalist tool to study how truncated thymosin beta-4–derived sequences can influence cell motility, wound closure, angiogenesis and inflammatory mediator profiles in a more focused manner than the full-length parent protein.

Primary Research Areas

Actin cytoskeleton and cell motility: used in models evaluating how thymosin beta-4–derived fragments modulate actin polymerization, cytoskeletal dynamics and directed cell migration in fibroblasts, endothelial cells and other motile cell types under controlled laboratory conditions.
Wound-healing and tissue-repair models: applied in experimental wound-closure assays to investigate fibroblast migration, extracellular matrix deposition and re-epithelialization processes associated with soft-tissue repair and regeneration research.
Angiogenesis and vascular remodeling: incorporated into in vitro and in vivo angiogenesis models to explore endothelial cell migration, tube formation and vascular network remodeling, as well as interactions with growth factors such as VEGF in repair-focused studies.
Inflammatory mediator modulation: used as a probe in research on cytokine and chemokine profiles at sites of experimental injury, examining how thymosin beta-4 fragments can influence the balance between pro- and anti-inflammatory signaling during tissue remodeling.
Neuroprotection and CNS injury models: evaluated in preclinical central nervous system models to study potential effects on glial and neuronal cell survival, axonal support and inflammatory control in the context of brain and spinal cord injury research.

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Why Limitless Biochem?

Limitless BioChem is a trusted supplier of research compounds. Our products meet strict quality standards and are compliant with EU requirements. We focus on the safe and reliable supply of peptides and pure compounds intended exclusively for research or collector purposes.

This product is not intended for human or veterinary use. It is for collection or research purposes only. It cannot be used as food, dietary supplement or medicine! The information provided in the text on this page is for educational purposes only and does not constitute medical or other advice.