TB500 is a synthetic form of Thymosin Beta-4 (Tβ4), a naturally occurring 43-amino acid peptide initially isolated from thymic tissue and subsequently found to be ubiquitously expressed in mammalian cells. It functions principally as an actin-sequestering peptide via its LKKTET actin-binding domain.
Preclinical research has characterised its role in actin dynamics, cell migration, and wound healing cascade modulation. Studies have explored its anti-inflammatory mechanisms, capacity to stimulate angiogenesis via upregulation of integrin-linked kinase (ILK), and effects on endothelial progenitor cell mobilisation. TB500 has also been investigated in cardiac injury models for its effects on cardiomyocyte survival and progenitor cell activation following ischaemic events.
In musculoskeletal research, TB500 has been studied for its effects on tendon, ligament, and muscle satellite cell biology, including fibroblast proliferation and myocyte differentiation models. Its multi-tissue research applicability and broad mechanistic profile make it one of the more versatile compounds in contemporary regenerative biology investigation.
Format: Lyophilised powder | Purity: ≥99% by HPLC | For Research Use Only
