PMID-36464872 – Thymosin β4 and Actin: Binding Modes, Biological Functions and Clinical Applications
Ying Y et al. "Thymosin β4 and Actin: Binding Modes, Biological Functions and Clinical Applications," Current Protein & Peptide Science, 2023;24(4):300-315. doi:10.2174/1389203724666221201093500
Quick Reference
| Property | Value |
|---|---|
| PMID | 36464872 |
| DOI | 10.2174/1389203724666221201093500 |
| Year | 2023 |
| Journal | Current Protein & Peptide Science |
| Study Type | Narrative Review |
| Evidence Level | V |
| Sample | Review of preclinical and mechanistic studies |
| Peptide(s) Studied | TB-500 |
Key Findings
- Tβ4 is the most abundant beta-thymosin in human cells, comprising 70-80% of all Tβs
- Primary mechanism: G-actin sequestration via WH2 domain binding, regulating actin polymerization and cytoskeletal dynamics
- Diverse biological functions: wound healing, hair follicle regeneration, angiogenesis, anti-inflammation, and organ protection
- Clinical applications span cardiac, ocular, dermal, and neurological tissue repair
Study Design
Comprehensive narrative review covering Tβ4's molecular binding mechanisms with actin, downstream biological effects, and translational applications. Synthesizes structural biology, cell biology, and preclinical therapeutic evidence.
Limitations
- Narrative review without systematic methodology
- Primarily preclinical evidence base
- Clinical application discussion is largely theoretical for most indications
Clinical Relevance
Provides the most complete mechanistic overview of Tβ4's actin-binding function and its therapeutic implications. Essential reference for understanding why TB-500 works at the molecular level.
Related
#research #narrative-review #evidence-level-V