Thymosin Beta-4 Fragment (1-4) (Ac-SDKP) 1,000mcg – Capsules

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When you purchase Thymosin Beta-4 capsules, you are obtaining a valuable compound. Ac‑SDKP (N‑acetyl‑Ser‑Asp‑Lys‑Pro) is a naturally occurring tetrapeptide that is cleaved from the N‑terminus of Thymosin β4. Composed of four amino acids, this compact molecule is extensively studied in non‑human laboratory models for its potent anti‑fibrotic, anti‑inflammatory, and angiogenic effects. Specifically, researchers have observed that Ac‑SDKP modulates TGF‑β and MEK‑ERK signaling pathways, leading to decreased tissue scarring and reduced infiltration by inflammatory cells. This process is vital in models of cardiac, renal, hepatic, pulmonary, and intestinal fibrosis.

Mechanisms of Action

Moreover, animal studies reveal that Ac‑SDKP can effectively reverse existing fibrosis, such as left-ventricular collagen deposition in hypertensive rodent models, while also attenuating oxidative stress via NADPH oxidase inhibition. Additionally, its role in suppressing macrophage activation and the production of TNF‑α, alongside excessive collagen synthesis, underscores its systemic tissue‑protective potential. Furthermore, it promotes vascular remodeling by supporting blood vessel growth—a quality that significantly aids in healing damaged tissues.

Precision in Research Applications

Given that this capsulated formulation delivers Ac‑SDKP in a stable, precision‑dosed format, it is particularly suited for long‑term research in animal models. Encapsulation not only streamlines dosing procedures but also ensures sample integrity during storage and facilitates reproducible systemic exposure. This is ideal for studies examining chronic tissue remodeling, fibrosis reversal, or inflammatory modulation without needing complex prep steps. With a molecular weight of ~487.5 g/mol (C₂₀H₃₃N₅O₉), Ac‑SDKP benefits from enhanced absorption compared to its 43‑amino‑acid parent peptide. Furthermore, its ability to cross the blood-brain barrier makes it a promising candidate for research focused on central nervous system fibrosis and neuroinflammation.

This research-grade Ac-SDKP is provided in encapsulated form for precision and consistency in laboratory settings, ultimately aiming to advance the understanding of peptide regulation in tissue health and homeostasis.

Summary of Characteristics