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Made in the USA
Peptides are precision-synthesized and lyophilized at state-of-the-art laboratories in the United States.
Frequently Asked Questions
Peptides are short chains of amino acids that occur naturally in organisms, where they act as messengers in many biological systems. While some peptides have been developed for medical use, laboratory research focuses on understanding their activity at the cellular level, examining how they impact essential processes in vitro.
Products from Direct Peptides do not include usage instructions, as they are strictly for in vitro research and prohibited by law for human or animal use. Misuse or unlawful application will result in permanent denial of service.
Orders are typically processed and shipped within 24 hours on weekdays. Delivery times vary by location, but most domestic orders arrive within 3β5 business days. Youβll receive tracking information as soon as your order ships.
TB-500
What Is TB-500?
TB-500 is a laboratory-synthesized peptide derived from a sequence of thymosin beta-4 (TΞ²4), a naturally occurring protein involved in cytoskeletal organization and cellular movement.
In controlled research environments, TB-500 is examined for its relevance to wound-healing models, angiogenic signaling, and cellular structural pathways, particularly those related to tissue remodeling and repair.
Certificate of Analysis
Third-party tested for 99% purity
TB-500 Overview
TB-500 is a synthetic peptide fragment modeled after thymosin beta-4, a protein extensively studied for its role in cell migration, tissue remodeling, and regenerative signaling.
Research has focused on TB-500βs involvement in angiogenesis, extracellular matrix dynamics, and connective-tissue recovery within laboratory and preclinical models.
Due to these characteristics, TB-500 is frequently explored in studies involving muscle recovery, connective tissue integrity, and epithelial repair pathways.
Goldstein A.L. et al., 2005History and Development
Thymosin beta-4 (TΞ²4), the parent protein of TB-500, was first isolated in the 1960s during investigations into thymus-derived peptides and their biological functions.
Subsequent research revealed TΞ²4βs role in actin binding, cellular migration, and angiogenic signaling.
TB-500 was later synthesized as a research analog to allow more targeted investigation into these tissue-repair and regenerative mechanisms.
Since its development, TB-500 has been examined across models of angiogenesis, muscle regeneration, wound repair, and systemic cellular resilience.
Goldstein A.L., Hannappel E. et al., 2012TB-500 Structure
Research Findings
TB-500 has been evaluated across structural, vascular, dermatological, and systemic research models.
Published studies explore its relevance to collagen organization, extracellular matrix remodeling, angiogenesis, wound closure dynamics, and tissue recovery processes in preclinical settings.
Key Areas of Investigation
- Structural: Collagen organization, matrix remodeling, tendon and ligament models
- Vascular: Angiogenesis, nitric oxide pathways, vessel remodeling
- Dermatological: Wound closure, epithelial regeneration, inflammation modulation
- Systemic: Cellular protection, viability, recovery signaling
Together, these findings suggest broad experimental utility for TB-500 across multiple biological pathways.
By engaging structural and vascular processes while supporting epithelial and systemic responses, TB-500 provides a versatile platform for research into tissue repair, recovery, and biological resilience in laboratory models.
Hsieh M.-J. et al., 2017
