TB-500
Ac-LKKTETQ / Thymosin beta-4 fragment
- Peptide length
- 7 amino acids
N-acetylated heptapeptide in the cited study
Open the sources to check how the studies were done and what they can support.
The cited analytical study identified the TB-500 preparation as N-acetylated LKKTETQ, a short region of thymosin beta-4.
- Family
- Thymosin-derived fragment
- Research target
- Actin-associated peptide region
- Molecular form
- N-acetylated heptapeptide in the cited study
What to know about the research
Evidence for full-length thymosin beta-4, including ophthalmic trials, does not automatically apply to this fragment.
Check the exact compound
The study examined the N-acetylated seven-residue fragment. Keep it distinct from the 43-residue thymosin beta-4 parent.
What supports this entry?
3 of 3 summary statements linked to checked source passages.
These are selected references, not a complete review of the literature. Source checks were assisted by AI and have not received independent expert review.
Research stage, study quality and regulatory status answer different questions. A study card does not establish treatment benefit or approval.
Check the overview statementSource checked
The cited analytical study identified the TB-500 preparation as N-acetylated LKKTETQ, a short region of thymosin beta-4.
Abstract: molecular identity and analytical detection paragraphs
- Selected primary-source passages checked with AI assistance. Scope cautions are editorial interpretations; this is not a complete literature review.
Check the evidence limitationSource checked
Evidence for full-length thymosin beta-4, including ophthalmic trials, does not automatically apply to this fragment.
Abstract: molecular identity and analytical detection paragraphs
Abstract: exact studied material and setting; separate parent/fragment scope
- Selected primary-source passages checked with AI assistance. Scope cautions are editorial interpretations; this is not a complete literature review.
Check the identity statementSource checked
The study examined the N-acetylated seven-residue fragment. Keep it distinct from the 43-residue thymosin beta-4 parent.
Abstract: molecular identity and analytical detection paragraphs
Abstract: exact studied material and setting; separate parent/fragment scope
Full-text Introduction: 43-amino-acid parent
- Selected primary-source passages checked with AI assistance. Scope cautions are editorial interpretations; this is not a complete literature review.
Inside the selected studies
Analytical detection study in equine samples
N-acetylated LKKTETQ and its metabolites
- Who or what was studied
- Equine urine and plasma; in-vitro metabolism work
- Sample size
- Not established. Not established from the checked abstract; full methods require review.
- Compared with
- Not established. Not established from the checked abstract; full methods require review.
- Duration
- Not established. Not established from the checked abstract; full methods require review.
- LC-MS identification using retention times and product-ion evidence.
- Selected study only; source mapping is not independent study-quality appraisal.
- Detection in horses is not a human efficacy trial or a full-length thymosin beta-4 trial.