TB-500 (Thymosin Beta-4) 10mg

Description

TB-500, also known as synthetic Thymosin Beta-4 (Tβ4), is the laboratory-synthesized version of the naturally occurring Thymosin beta-4 protein, encoded by the TMSB4X gene and abundant in thymus cells. TB-500 is a 43-amino-acid peptide that is highly soluble in water and lightweight, making it suitable for research applications. It is found naturally in wound fluid and blood platelets, where it is implicated in cellular repair, tissue regeneration, and angiogenesis.

Research suggests that TB-500 may support wound healing, anti-inflammatory responses, hair growth, and neurological repair, with potential activity in tissues including the spinal cord, heart, and epidermis.

Overview

TB-500 contains a key functional segment, LKKTETQ (residues 17–23), which is considered critical for actin binding, cell migration, and tissue repair. By interacting with globular actin (G-actin), TB-500 may inhibit its polymerization into filamentous actin (F-actin), a process known as actin sequestration, which increases the pool of available G-actin. This modulation of the cytoskeleton can influence cell movement, shape, and regenerative capacity, processes essential for wound healing, tissue regeneration, and potentially cancer metastasis.

TB-500 also exhibits extracellular activity, as it has been detected in plasma and wound exudates. In vascular and other cell types, it may promote angiogenesis and cellular motility, potentially through interactions with ATP synthase enzymes on the cell surface, which are involved in energy production. These findings suggest that TB-500 may act both intracellularly and extracellularly, supporting broad regenerative and reparative processes.

Reference

https://pubmed.ncbi.nlm.nih.gov/?term=tb500

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