Thymosin alpha-1 (Tα1) is a natural peptide from the thymus gland that modulates the immune system, enhancing both innate and adaptive responses by activating immune cells like T cells, NK cells, and dendritic cells, while also showing antiviral, antibacterial, and anti-inflammatory effects. Used in treating immune deficiencies, viral infections (like hepatitis), cancers, and sepsis, it restores immune balance, boosts vaccine response, and helps manage severe inflammatory conditions by activating Toll-like Receptors (TLRs)
What it is
- A 28-amino acid polypeptide, the first peptide isolated from thymus tissue.
- Also known as thymalfasin.Â
How it works (Mechanism)
- Immune Cell Activation:Â Stimulates T-cell differentiation, activates natural killer (NK) cells, and enhances dendritic cell function.
- Toll-like Receptors:Â Activates TLR2 and TLR9 on immune cells, triggering downstream signaling to boost adaptive immunity.
- Regulates Inflammation:Â Helps prevent cytokine storms by increasing regulatory T cells (Tregs) that produce IL-10, providing feedback inhibition.Â
Therapeutic uses
- Infections:Â Treats viral infections (Hepatitis B/C, COVID-19 research), sepsis, and other infections.
- Cancers:Â Used with chemotherapy to enhance anti-tumor immunity (e.g., melanoma, lung cancer).
- Immunodeficiency:Â Restores immune function in immunocompromised states.
- Vaccine Adjuvant:Â Improves vaccine response in the elderly and kidney disease patients.Â
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