Description

Thymalin

Synthetic bioactive peptide complex / synthetic thymic dipeptide bioregulator (Thymogen / Glu-Trp core) for in vitro research on T-lymphocyte differentiation, cellular immunity modulation, cytokine expression regulation, and epigenetic restoration of thymic microarchitecture

Overview & Mechanism of Action (In Vitro)

Thymalin is a research peptide bioregulator derived from natural thymic extracts, whose primary bioactive unit and synthetic core is the short dipeptide Glu-Trp (L-glutamyl-L-tryptophan, also known as Thymogen), or a purified low-molecular-weight thymic peptide complex. It is characterized by direct epigenetic interaction with nuclear chromatin and the ability to modulate gene expression in immune system cells without requiring persistent binding to classical surface cytokine receptors. In molecular immunology, cellular biogerontology, and translational research, it serves as a reference standard for studying the restoration and regulation of immune homeostasis:

• Induction of T-Lymphocyte Differentiation & Maturation: Stimulates the expression of surface differentiation markers (CD3+, CD4+, CD8+) on precursor thymocytes and promotes the functional maturation of T-cell subpopulations in in vitro cell models.
• Normalization of the T-Helper / T-Cytotoxic (CD4+/CD8+) Ratio: Exhibits bidirectional immunomodulation—rebalancing cellular parameters toward a homeostatic optimum under both induced immunosuppression and hyperreactive states.
• Modulation of the Cytokine Network & Inflammatory Response: Regulates the transcription of genes encoding pro- and anti-inflammatory cytokines; modulates levels of interleukin-2 (IL-2) and interferon-gamma (IFN-γ), and suppresses the overexpression of pro-inflammatory mediators (TNF-α, IL-6).
• Epigenetic Reactivation & Protection Against Immunosenescence: Interacts directly with histone proteins and DNA in lymphocyte nuclei, leading to heterochromatin decondensation and the restoration of key defensive peptide synthesis in aging cell lines.

Technical & Chemical Specifications

• Classification: Research Peptide Bioregulator / Thymic Peptide Complex (Khavinson Analogue / Glu-Trp fraction)
• Amino Acid Composition: Native thymic peptide complex / synthetic core L-Glu-L-Trp (EW)
• Form: Sterile lyophilized white powder (cake)
• Component Identification: Verified via Mass Spectrometry (MS) and analytical HPLC
• Recommended Reconstitution Solvent: Sterile bacteriostatic water or sterile phosphate-buffered saline (PBS, pH 7.2–7.4)
• Storage Conditions: Store long-term at -20 °C in a dry, dark environment. Following reconstitution, keep refrigerated at 2–8 °C in accordance with standard laboratory protocols.

Scientific References & Literature

• Khavinson, V. K., & Morozov, V. G. Peptides of pineal gland and thymus prolong life span by restoring immune and endocrine functions. Neuro Endocrinology Letters, 2003.
• Anisimov, V. N., et al. Effect of the synthetic thymic peptide Thymogen and peptide bioregulators on biomarkers of aging and lifespan. Biogerontology, 2011.
• Khavinson, V. K., et al. Epigenetic aspects of peptidergic regulation of the immune system and thymus aging. Bulletin of Experimental Biology and Medicine, 2012.
• Kuznik, B. I., et al. Peptide bioregulators in the control of hematopoiesis and immunity: Molecular mechanisms and cellular targets. Frontiers in Bioscience, 2017.

Legal Disclaimer & Terms of Purchase

This product is classified and supplied strictly for laboratory, scientific, and in vitro research purposes only (Research Use Only – RUO). This compound is not a drug, medicine, dietary supplement, cosmetic product, or substance intended for human or veterinary consumption, direct administration, injection, or diagnostic procedures.

By placing an order, the purchaser explicitly confirms that they are at least 18 years of age, possess the requisite professional qualifications and laboratory equipment to safely handle research materials, and are fully conversant with all relevant safety protocols for managing research substances. The seller assumes no liability for any use contrary to these terms.