Research Overview
Thymosin Alpha-1 (Tα1), also known in synthetic form as Thymalfasin, is a 28-amino-acid peptide corresponding to the N-terminal region of prothymosin alpha. It was originally isolated from thymic tissue and is investigated in laboratory systems involving peptide-mediated immune signaling, Toll-like receptor-associated pathways, dendritic-cell signaling, cytokine-associated signaling networks, and regulatory peptide biology.
Thymosin Alpha-1 provides an experimental model for studying interactions among short regulatory peptides, innate immune receptor pathways, intracellular signaling proteins, and immune-cell communication systems.
Thymosin Alpha-1 is not an FDA-approved drug product in the United States. This material is supplied by Marsden Research Labs exclusively for qualified laboratory research applications and is not offered for human or veterinary use.
Chemical Information
| Compound Name | Thymosin Alpha-1 |
| Alternative Name | Thymalfasin |
| Compound Type | Synthetic acetylated regulatory peptide |
| Length | 28 amino acids |
| Chemical Formula | C129H215N33O55 |
| Molecular Weight | Approximately 3108.3 g/mol |
| Amino Acid Sequence | Ac-Ser-Asp-Ala-Ala-Val-Asp-Thr-Ser-Ser-Glu-Ile-Thr-Thr-Lys-Asp-Leu-Lys-Glu-Lys-Lys-Glu-Val-Val-Glu-Glu-Ala-Glu-Asn-OH |
Physical Characteristics
| Appearance | White to off-white lyophilized material. |
| Solubility | Solubility characteristics depend on concentration, pH, formulation, and laboratory conditions. |
| Storage | Store under appropriate laboratory conditions with protection from unnecessary heat, moisture, and light exposure. |
| Stability | Stability depends on the characteristics of the research material and may be affected by storage temperature, moisture, light exposure, solution conditions, repeated freeze-thaw cycles, and laboratory handling. |
Analytical Verification
Every batch made available for purchase by Marsden Research Labs is supported by current, batch-specific third-party laboratory documentation. Products are not made available for purchase until applicable testing and Certificate of Analysis (COA) documentation are complete. Additional independent laboratory reports may be published for a batch when available.
| Identity Verification | May include Liquid Chromatography–Mass Spectrometry (LC-MS) or comparable analytical methods. |
| Purity Analysis | May include High-Performance Liquid Chromatography (HPLC) or other analytical methods appropriate to the individual sample. |
| Quantitative Analysis | May include quantitative assessment appropriate to the individual batch and analytical method. |
| Batch Traceability | Research batches are assigned unique batch identifiers corresponding to their applicable analytical results and documentation. |
| Certificate of Analysis (COA) | Required for every batch made available for purchase and reflects the analytical results associated with that batch. |
| Laboratory Report | Additional independent laboratory reports may be published for a batch when available. |
Batch-Specific Information
The batch number, analytical results, testing date, Certificate of Analysis (COA), and any additional independent laboratory report displayed near the top of this page correspond to the selected research sample and update automatically when a different batch or package size is selected.
Investigated Molecular Mechanisms
The molecular mechanisms associated with Thymosin Alpha-1 involve multiple immune-signaling systems and remain an active area of investigation. Experimental studies have examined Tα1 in relation to Toll-like receptor-associated signaling, including MyD88-dependent pathways, dendritic-cell signaling, and downstream intracellular regulatory systems.
Laboratory models have also investigated Tα1-associated activation of signaling pathways involving p38 MAPK, NF-κB, and TLR9/MyD88/IRF7 systems. These models provide a framework for studying how regulatory peptides interact with innate immune sensing pathways and influence downstream cellular signaling.
Because Thymosin Alpha-1 acts across multiple signaling systems rather than through one clearly defined receptor target, its precise molecular activity can vary according to cell type and experimental model.
Current Areas of Research
- Toll-like receptor-associated signaling
- TLR9/MyD88/IRF7 signaling pathways
- Dendritic-cell signaling systems
- p38 MAPK and NF-κB-associated pathways
- Innate immune receptor biology
- Regulatory peptide signaling
- Peptide-mediated cellular communication
- Thymic peptide structure-function relationships
Marsden Research Labs makes no representation regarding clinical outcomes or therapeutic applications.
Laboratory Handling
This material should be handled only by qualified laboratory personnel using appropriate research procedures.
Research samples should be stored and handled according to accepted laboratory practices appropriate to the research material. Material integrity may be affected by temperature, moisture, light exposure, solution conditions, repeated freeze-thaw cycles, and handling methods.
Research Use Notice
This product is supplied exclusively for laboratory research purposes.
It is not intended for human or veterinary use, diagnosis, treatment, cure, prevention of disease, food use, cosmetic use, or consumption of any kind. Purchasers are responsible for ensuring compliance with all applicable laws and regulations governing the acquisition and use of research materials.
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