Thymagen (20MG)

What Is Thymagen?

Thymagen also called Thymogen, EW dipeptide, or L-Glu-L-Trp constitutes a synthetic dipeptide consisting of the amino acids L-glutamic acid and L-tryptophan. Researchers identified it as the principal active component of Thymalin, a bovine thymic extract that served as the first preparation in the Khavinson peptide bioregulator program. Through reversed-phase HPLC fractionation of Thymalin, researchers isolated the EW dipeptide and demonstrated that it reproduces the immunomodulatory activity of the crude thymic extract.

Thymagen occupies a distinctive niche in immuno-peptidic research as a thymic dipeptide bioregulator. Consequently, researchers investigating Thymagen 20mg focus on its potential to modulate immune function, influence T-cell differentiation, and support thymic epithelial cell activity. For laboratory research purposes, researchers can easily buy Thymagen 20mg in Switzerland as a high-purity lyophilized powder from Core Peptides.

Thymagen Research Overview

Scientific investigations have examined Thymagen since the late 1980s. Notably, scientists from Moscow and Leningrad (now Saint Petersburg) developed it under the leadership of Vladimir Khavinson. The dipeptide has remained in pharmaceutical use in the Russian Federation since 1990 and is registered there in multiple formulations, including intramuscular injection, nasal spray, and topical cream.

Furthermore, in the Western research literature, Thymagen also carries the names Oglufanide and IM-862. It represents the transition in Khavinson’s research program from complex biological extracts to defined synthetic peptides. Among the Khavinson peptide bioregulators, Thymogen holds a distinctive status as one of six preparations that have achieved pharmaceutical registration in Russia.

Research interest in Thymagen peptide research spans multiple domains, including immunology, molecular regulation, cellular aging biology, regenerative science, and systems modulation. Scientists studying Thymagen laboratory research have investigated its effects on immune cell differentiation, intracellular signaling pathways, and gene transcription.

How Does Thymagen Work?

The proposed mechanism of Thymagen involves several interconnected pathways. For example, one tangible mechanistic hypothesis holds that Thymagen may slow down the catabolism of cyclic nucleotides (such as cAMP and cGMP), thereby increasing the availability of these second messengers. Specifically, studies suggest that by reducing phosphodiesterase activity or by inhibiting nucleotide breakdown, the peptide might potentiate signaling cascades that depend on cyclic nucleotides.

Furthermore, another proposed mechanism involves interaction with chromatin, DNA, or histone proteins, thereby influencing gene transcription. Research on analogous peptides suggests that thymic peptides or their fragments might bind to double-stranded DNA or histones and thus modulate the transcription of genes associated with immune proteins, stress responses, or what researchers have termed «gerontogenes.»

Moreover, a core hypothesis proposes that Thymagen may influence the maturation trajectory of immature lymphoid precursors toward immunocompetent T cells. In immunology research models, exposure of progenitor or precursor cells to Thymagen may shift cell fate decisions, thymic markers, or expression of T-cell receptor complexes. Researchers investigating Thymagen immune modulation research have focused on these potential mechanisms.

Additionally, structural analogues of Thymogen have exhibited measurable antioxidant and reparative activities in liver tissue contexts under toxic insult, with apparent greater suppression of free radical reactions and elevation of catalase activity. This suggests that modulation of redox homeostasis could lie within the mechanistic reach of Thymagen scaffolds, especially under stress conditions.

Why Is Thymagen Studied?

Researchers primarily study Thymagen for its potential role in immune system modulation, particularly in the context of age-related immune decline, or immunosenescence. As the thymus gland naturally involutes with age, T-cell production and immune function decline, making thymic peptides an area of significant research interest.

Specifically, research has explored Thymagen’s potential to:

• Stimulate thymic epithelial cell activity
• Support T-cell maturation and differentiation
• Modulate immune cell function and cytokine networks
• Influence cyclic nucleotide signaling pathways
• Exert antioxidant and reparative effects in certain research models

For example, scientists have discussed thymic peptides and extracts as potential geroprotectors, immune modulators, and regulators of inflammation. The wide range of potential applications from immunomodulatory tasks to participation in tissue regeneration processes has led researchers to use thymic peptides in studies exploring neoplastic diseases, viral infections, autoimmune diseases, and immunodeficiencies.

For researchers seeking to buy Thymagen 20mg in Switzerland, understanding these research contexts is essential for designing appropriate experimental protocols.

Thymagen Research Areas

Research Area	Research Focus
Immunology	T-cell differentiation, maturation, and function; immune cell signaling
Immunosenescence	Age-related immune decline; thymic involution; restoration of immune function in aging models
Cellular Aging	Geroprotection; stress response modulation; cellular homeostasis
Signal Transduction	Cyclic nucleotide (cAMP/cGMP) modulation; phosphodiesterase activity
Gene Expression	Transcriptional modulation; chromatin interaction; stress response genes
Oxidative Stress	Antioxidant effects; free radical suppression; catalase activity
Regenerative Research	Tissue repair; epithelial regeneration; wound healing contexts

Scientific Research on Thymagen

Several studies have investigated Thymagen (Thymogen) and its analogues in various research models. Key findings include:

One study examined the reparative and antioxidant effects of Thymogen and its new structural analogues obtained by binding the amino acid D-Alanine to the N- or C-terminus of the peptide molecule in acute toxic hepatopathy. The research found that Thymogen analogues produced more pronounced hepatotropic and antioxidant effects than Thymogen itself.

Another study investigated the effects of Thymagen, Thymalin, and Vilosen on cAMP and cGMP levels and phosphodiesterase activity in spleen lymphocytes during sensitization and anaphylactic shock. This research demonstrated that these thymus-derived immunocorrectors affected cyclic nucleotide levels and phosphodiesterase activity in lymphocytes.

A double-blind, randomized, placebo-controlled study evaluated the efficacy of Thymogen preparation for elderly patients undergoing surgery for solid tumors in the abdominal cavity and retroperitoneal space. The preoperative use of Thymogen was found to be useful in restoring the structural and functional parameters of cellular immunity.

An immunomodulatory synthetic dipeptide L-Glu-L-Trp was shown to slow down aging and inhibit spontaneous carcinogenesis in rats. This research highlights the potential relevance of Thymagen to aging and geroprotection research.

Notably, however, the available evidence for Thymagen scientific research relies primarily on preclinical and animal models. Consequently, Thymagen research in human contexts remains limited, and researchers should interpret findings accordingly.

Thymagen Compared With Related Peptides

Peptide	Sequence	Primary Research Focus	Key Difference
Thymagen (Thymogen)	Glu-Trp (EW)	Immune modulation; T-cell differentiation; immunosenescence	Synthetic dipeptide; principal active component of Thymalin
Thymalin	Polypeptide complex	Immune function; thymic activity	Bovine thymic extract; contains multiple peptides including EW
Thymodepressin	D-Glu-D-Trp	Immunosuppression	D-form enantiomer; opposite biological activity to Thymagen
Vilon	Lys-Glu (KE)	Immune modulation; cellular repair	Different dipeptide sequence; also a Khavinson bioregulator
Thymosin Alpha-1	28-amino acid peptide	Immune stimulation; T-cell function	Larger peptide; more extensively studied in Western research

Thymagen is also notable for a remarkable property of its enantiomer: the D-form of the same dipeptide (D-Glu-D-Trp), marketed as Thymodepressin, exhibits the exact opposite biological activity    immunosuppression rather than immunostimulation. This represents one of the first documented examples of reciprocal chiral pharmacology in peptide therapeutics.

Research Applications

Researchers apply Thymagen 20mg in various laboratory research applications, including:

• Immunology Research: Investigating T-cell differentiation, maturation, and function in thymic and peripheral immune cell models
• Aging Research: Exploring immunosenescence and age-related changes in immune function
• Signal Transduction Studies: Examining cyclic nucleotide signaling pathways and phosphodiesterase regulation
• Gene Expression Research: Investigating transcriptional modulation and chromatin interactions
• Oxidative Stress Research: Studying antioxidant and redox homeostasis mechanisms
• Regenerative Medicine Research: Exploring tissue repair and epithelial regeneration

Researchers seeking to buy Thymagen 20mg in Switzerland for these applications can obtain the peptide in a lyophilized powder format suitable for reconstitution and laboratory use.

Thymagen Product Specifications

Specification	Details
Product Name	Thymagen (Thymogen)
Alternative Names	EW dipeptide, Glu-Trp, L-Glu-L-Trp, Oglufanide, IM-862
Amount	20mg
Form	Lyophilized powder
Amino Acid Sequence	L-Glutamyl-L-Tryptophan (Glu-Trp, EW)
Molecular Formula	C₁₆H₁₉N₃O₅
Molecular Weight	333.34 g/mol
CAS Number	38101-59-6
Research Category	Immunomodulatory peptide; thymic bioregulator
Research Use	Laboratory research use only
Storage	Refer to product documentation

How to Evaluate Thymagen Quality

When evaluating research peptides such as Thymagen 20mg, researchers should consider several quality indicators. Firstly, researchers should verify the peptide through analytical methods such as mass spectrometry and HPLC to confirm the correct amino acid sequence and molecular weight. Additionally, high-performance liquid chromatography (HPLC) should assess purity, with researchers typically targeting ≥98% purity for research-grade peptides.

Furthermore, each batch should have a unique lot number for traceability and documentation purposes. A reliable supplier provides a Certificate of Analysis (CoA) that accompanies the product, detailing the analytical testing performed and the results obtained. Product labels should clearly indicate the peptide name, sequence, amount, batch number, and storage recommendations.

Researchers should always verify the documentation provided with their peptide order and retain records for their laboratory notebooks. For Thymagen 20mg peptide powder purchases, reviewing the CoA is an essential step in quality assessment.

Understanding the Certificate of Analysis

A Certificate of Analysis (CoA) serves as a document that provides detailed information about the analytical testing performed on a specific batch of a research peptide. For Thymagen 20mg, a CoA typically includes:

• Product Identity: Confirmation that the peptide matches the expected sequence (Glu-Trp) and molecular weight (333.34 g/mol)
• Purity Results: HPLC chromatograms showing the percentage of the target peptide relative to impurities
• Batch/Lot Information: Unique identifier for the specific production batch
• Analytical Methods: Description of the testing methodologies employed (e.g., HPLC, mass spectrometry)
• Appearance: Description of the physical form (typically a white to off-white lyophilized powder)

Nevertheless, researchers must understand that a CoA confirms the identity and purity of a peptide but does not establish safety, efficacy, therapeutic effectiveness, or suitability for human use. The CoA is a quality control document for research purposes only.

Storage and Stability

Researchers should store research peptides such as Thymagen 20mg under appropriate conditions to maintain stability and integrity. Lyophilized peptide powders generally remain stable when stored desiccated at controlled temperatures.

Refer to the current product documentation or contact Core Peptides for the applicable storage specifications for Thymagen 20mg.

Research Considerations

Nevertheless, researchers working with Thymagen should be aware of several important considerations:

• Evidence Limitations: The available research on Thymagen relies primarily on preclinical and animal models. Human clinical data is limited, with only one identified study that was not a human trial or randomized controlled trial
• Model Differences: Findings from in vitro or animal models may not translate directly to other research systems or contexts
• Experimental Status: Thymagen remains an experimental research compound in most Western research contexts. Regulatory agencies including the FDA, EMA, and Swissmedic have not approved it
• Regulatory Considerations: Researchers should ensure compliance with all applicable regulations regarding the purchase, handling, and use of research peptides in their jurisdiction
• Chiral Pharmacology: The D-form enantiomer (Thymodepressin) exhibits opposite biological activity, highlighting the importance of verifying the specific enantiomer used in research

These considerations should inform experimental design and the interpretation of research findings involving Thymagen.

Frequently Asked Questions About Thymagen

What is Thymagen?

Thymagen also known as Thymogen is a synthetic dipeptide with the amino acid sequence L-Glutamyl-L-Tryptophan (Glu-Trp, EW). Researchers originally isolated it from the bovine thymic extract Thymalin and study it for its immunomodulatory properties.

What do researchers study Thymagen for?

Researchers primarily study Thymagen for thymic function, immune system modulation, T-cell differentiation and maturation, and age-related immune decline (immunosenescence). They also investigate its effects on cyclic nucleotide signaling, gene expression, and antioxidant pathways.

What is the amino acid sequence of Thymagen?

The amino acid sequence of Thymagen is L-Glutamyl-L-Tryptophan, commonly abbreviated as Glu-Trp or EW.

What is the molecular weight of Thymagen?

The molecular weight of Thymagen is 333.34 g/mol.

What is the CAS number for Thymagen?

The CAS number for Thymagen (Thymogen) is 38101-59-6.

Is Thymagen the same as Thymogen?

Yes, Thymagen and Thymogen are the same compound. Thymagen is an alternative spelling of Thymogen. The compound also carries the names EW dipeptide, Glu-Trp, L-Glu-L-Trp, Oglufanide, and IM-862.

Is Thymagen FDA-approved?

No, regulatory agencies such as the FDA, EMA, and Swissmedic have not approved Thymagen. It has been registered as a pharmaceutical in the Russian Federation since 1990.

What is the difference between Thymagen and Thymodepressin?

Thymagen (L-Glu-L-Trp) and Thymodepressin (D-Glu-D-Trp) are enantiomers mirror-image forms of the same dipeptide. Remarkably, they exhibit opposite biological activities: Thymagen is immunostimulatory, while Thymodepressin is immunosuppressive.

Is Thymagen related to Thymalin?

Yes, researchers identified Thymagen (EW dipeptide) as the principal active component of Thymalin, a bovine thymic extract that served as the first preparation in the Khavinson peptide bioregulator program.

What form does Thymagen 20mg come in?

Thymagen 20mg is available as a lyophilized (freeze-dried) powder for laboratory research use.

How should researchers store Thymagen?

Refer to the current product documentation or contact Core Peptides for the applicable storage specifications for Thymagen 20mg.

What research has scientists conducted on Thymagen?

Research on Thymagen has included studies on its effects on cyclic nucleotide levels and phosphodiesterase activity in lymphocytes, its antioxidant and reparative effects in liver damage models, its immunomodulatory properties, and its potential role in aging and immunosenescence.

What is immunosenescence?

Immunosenescence refers to the age-related decline in immune function, which is partly attributable to thymic involution the progressive shrinking of the thymus gland with age. Researchers study Thymagen for its potential to modulate immune function in this context.

Who developed Thymagen?

Scientists from Moscow and Leningrad (now Saint Petersburg) developed Thymagen under the leadership of Vladimir Khavinson in the late 1980s.

Is Thymagen a natural or synthetic peptide?

Thymagen is a synthetic dipeptide. Although researchers originally identified it as a component of natural thymic extracts, the peptide used in research comes from controlled peptide synthesis rather than tissue extraction.

Can researchers buy Thymagen 20mg in Switzerland?

Yes, Core Peptides offers Thymagen 20mg for laboratory research use in Switzerland. Researchers can buy Thymagen 20mg in Switzerland through the Core Peptides website.

Related Research Peptides

Researchers interested in Thymagen may also find the following related peptides relevant to their work:

Thymalin — The bovine thymic extract from which researchers originally isolated Thymagen. Thymalin is a polypeptide complex containing multiple thymic peptides, including the EW dipeptide.

Vilon — Another Khavinson dipeptide bioregulator with the sequence Lys-Glu (KE). Like Thymagen, scientists study Vilon for immune modulation and cellular repair.

Epithalamin — A peptide bioregulator that also emerged from the Khavinson program, studied for its effects on aging and circadian rhythms.

Thymosin Alpha-1 — A 28-amino acid peptide with immunomodulatory properties that has received more extensive study in Western research contexts.

BPC-157 — A peptide that researchers study for tissue repair and regenerative applications, which may interest those investigating regenerative pathways.

Explore Immunity & Inflammation Peptides

Thymagen 20mg belongs to the Immunity & Inflammation Peptides category at Core Peptides. This category features a range of research peptides that scientists study for their immunomodulatory, anti-inflammatory, and immune-supporting properties.

Researchers can explore the full Immunity & Inflammation Peptides collection to discover related compounds for their laboratory research.

Thymagen is also relevant to the Anti-Aging & Longevity category, given its research applications in immunosenescence and cellular aging. Accordingly, researchers interested in aging-related immune research may find value in exploring both categories.

Further Research

For researchers seeking to deepen their understanding of Thymagen and thymic peptides, the following resources provide valuable information:

A review of thymic peptides and hormones comprehensively characterizes the properties of thymic peptides and their clinical applications, discussing the structure, biological properties, mechanism of action, and therapeutic applications of important thymic hormones and preparations.

Studies on the immunomodulatory synthetic dipeptide L-Glu-L-Trp have explored its effects on aging and spontaneous carcinogenesis in rat models. Consequently, these findings provide context for Thymagen’s potential relevance to aging research.

Research on Thymogen analogues has examined their reparative and antioxidant effects in experimental models of liver damage, providing insights into the compound’s potential mechanisms beyond immune modulation.

Research Disclaimer

The information provided about Thymagen is for educational and research purposes only. It is not medical advice, diagnosis, or treatment guidance. Thymagen is a research peptide intended for laboratory research use only and is not approved for human consumption, therapeutic use, or medical treatment in any jurisdiction outside of its registered applications in the Russian Federation.

Researchers are responsible for ensuring compliance with all applicable laws, regulations, and institutional guidelines regarding the purchase, handling, and use of research peptides. Core Peptides provides research peptides for laboratory use only and does not make any claims regarding safety, efficacy, or suitability for any purpose other than laboratory research.