TB-500/TB4 FRAG 889Da (17-23)

Description

TB-500 Fragment (17–23) — Precision Regeneration at the Molecular Level

TB-500 Fragment (17–23), also known as fequesetide or LKKTETQ, is the shortest active segment of the Thymosin Beta-4 molecule that retains the parent compound’s core biological activity. This highly focused peptide represents the functional binding domain responsible for the regenerative and cellular signaling properties associated with Thymosin Beta-4—condensed into a compact yet powerful research tool.

At the cellular level, TB-500 Fragment (17–23) interacts directly with actin, a structural protein essential for cell shape, mobility, and replication. By influencing actin dynamics, this peptide alters how cells move, organize, and communicate, allowing researchers to study fundamental repair mechanisms involved in tissue regeneration and immune signaling.

In laboratory and preclinical models, modulation of actin activity has been associated with profound biological effects, including enhanced cellular migration, accelerated tissue remodeling, and improved vascular development. TB-500 Fragment (17–23) has been linked in animal studies to more rapid wound closure, reduced inflammatory signaling, and improved tissue structure following injury. These observations have made it a compound of strong interest in regenerative science, recovery research, and tissue-engineering investigations.

The peptide has also demonstrated immune-modulating properties in research environments. By influencing immune signaling pathways at the cellular level, TB-500 Fragment (17–23) may support the study of inflammation control, tissue protection, and cellular resilience under conditions of physiological stress.

Because it isolates the most biologically active region of Thymosin Beta-4, TB-500 Fragment (17–23) offers a refined and targeted platform for studying the molecular choreography of healing and regeneration—allowing researchers to examine how small peptide sequences can drive large-scale biological outcomes.

As interest in peptide-based regenerative science continues to expand, TB-500 Fragment (17–23) stands out as a precision tool for understanding how cellular motion, immune signaling, and tissue remodeling work together to support recovery and structural integrity.

Comes in 10mg vial

Provided as lyophilized powder intended strictly for experimental and research applications.