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Thymosin Alpha-1

Name: Thymosin Alpha-1
Brand: Peptide Titans
SKU: 572
Availability: InStock

Price range: $229.99 through $389.99

Thymosin Alpha-1 (Tα1) is a synthetic peptide analog of a naturally occurring thymic hormone studied for its role in immune system regulation and T-cell–mediated signaling pathways. In research settings, it’s explored for interactions with innate and adaptive immune mechanisms, cytokine modulation, and antiviral response pathways. Intended for research use only, not for human or veterinary use.

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Molecular Characteristics

Complete Specifications

CAS Registry Number: 62304-98-7
PubChem CID: Not available
Peptide Classification: Synthetic 28-amino-acid thymic peptide hormone
Molecular Formula: C₁₂₉H₂₁₅N₃₃O₅₅
Molecular Weight: ~3,108.3 Da

Structural Composition

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-NH₂
Length: 28 amino acids (N-terminal acetylated)

Physical Properties

Appearance: White to off-white lyophilized powder
Solubility: Water, bacteriostatic water, buffered aqueous solutions (e.g., PBS)

Structural & Stability Notes

Thymosin Alpha-1 is a synthetic 28-amino-acid peptide originally isolated from thymic tissue. The peptide is N-terminally acetylated, which contributes to enhanced structural stability compared to non-acetylated analogs. Its mid-length chain provides moderate conformational stability while remaining susceptible to enzymatic degradation in biological environments. Lyophilized storage under cold, dry conditions is recommended. Protection from moisture, light exposure, and repeated freeze–thaw cycles helps preserve structural integrity and maintain analytical consistency during laboratory research applications.

Research Applications

Immune Cell Signaling and T-Cell Research

Thymosin Alpha-1 is utilized as a thymic-derived peptide in research studies examining immune cell differentiation and intracellular signaling pathways associated with adaptive immunity. Laboratory investigations focus on its role in:

T-Cell Differentiation Models: Investigation of intracellular cascades influencing thymocyte maturation and lineage commitment
Dendritic Cell Activation Studies: Evaluation of signaling pathways involved in antigen-presenting cell regulation
Cytokine Expression Research: Analysis of transcriptional modulation associated with immune mediator production
Toll-Like Receptor (TLR) Models: Examination of innate immune signaling activation mechanisms
Peptide Stability Studies: Investigation of structural persistence and signaling duration in laboratory systems

Experimental protocols commonly employ lymphocyte cultures, cytokine quantification assays, and intracellular pathway analyses to characterize Thymosin Alpha-1–mediated immune responses.

Innate and Adaptive Immune Regulation Research

Thymosin Alpha-1 has been examined in research contexts involving coordinated innate and adaptive immune signaling networks. Key areas of investigation include:

Natural Killer (NK) Cell Models: Evaluation of intracellular cascades influencing cytotoxic immune signaling
Interferon Signaling Studies: Investigation of transcriptional pathways associated with antiviral immune responses
Antigen Presentation Research: Analysis of cellular communication mechanisms within immune microenvironments
Inflammatory Pathway Models: Research into regulatory balance between pro- and anti-inflammatory signaling
Immune Homeostasis Studies: Examination of coordinated signaling systems maintaining lymphocyte equilibrium

These studies utilize cytokine profiling assays, immune cell viability measurements, and molecular pathway analyses to evaluate immune signaling outcomes.

Cellular Defense and Stress Response Research

Thymosin Alpha-1 has also been explored in research models examining cellular defense mechanisms and stress-associated immune signaling, including:

Oxidative Stress Models: Evaluation of redox-associated signaling pathways in immune cells
Apoptosis Regulation Studies: Investigation of intracellular survival signaling mechanisms
Cellular Repair Research: Analysis of regulatory pathways influencing immune cell recovery processes
Signal Amplification Studies: Examination of coordinated immune activation cascades

Laboratory protocols assess immune cell markers, transcription factor activation, and intracellular kinase signaling using biochemical and molecular techniques.

Cellular Signaling and Immune Network Research

Additional research applications explore Thymosin Alpha-1’s influence on intracellular regulatory systems involved in immune coordination and systemic homeostasis, including:

MAPK and PI3K-AKT Pathway Studies: Investigation of cascades associated with immune cell activation and survival
Gene Expression Profiling: Analysis of transcriptional responses linked to immune regulation
Receptor Sensitivity Research: Examination of adaptive signaling modulation within immune receptor systems
Integrated Immune Network Models: Analysis of coordinated signaling systems maintaining systemic immune equilibrium

Research in this domain focuses on understanding how Thymosin Alpha-1 influences thymic-derived immune signaling pathways, innate and adaptive regulatory networks, and cellular defense mechanisms under controlled experimental conditions.

Laboratory Handling and Storage Protocols

Lyophilized Powder Storage

Store at –20°C to –80°C in the original, sealed vial
Protect from light exposure and moisture
A desiccated storage environment is recommended
Stability data suggests extended stability when stored at −20 °C or below.

Reconstitution Guidelines

Reconstitute using sterile water, bacteriostatic water (0.9% benzyl alcohol), or an appropriate laboratory buffer
Introduce solvent slowly along the vial wall to minimize foaming
Mix using gentle swirling; avoid vigorous agitation or shaking
Allow complete dissolution prior to use (typically 1–2 minutes)
Ensure the final solution is within a physiologically neutral pH range appropriate for laboratory use

Reconstituted Solution Storage

Short-term storage: Up to 7 days at 4°C
Long-term storage: Store at –20°C in aliquots
Use single-use aliquots to preserve peptide integrity
Minimize freeze–thaw cycles; single-use aliquots are strongly recommended

Stability Characteristics

Thymosin Alpha-1 is a synthetic peptide research compound that demonstrates stable handling characteristics when managed according to standard peptide laboratory protocols. Proper cold storage of the lyophilized material, protection from light, careful reconstitution, and minimized freeze–thaw exposure help preserve structural integrity and solubility. When handled appropriately, Thymosin Alpha-1 supports consistent use in in vitro and analytical research applications.

Frequently Asked Questions

What is Thymosin Alpha-1?

Thymosin Alpha-1 is a synthetic 28–amino acid peptide modeled after a naturally occurring thymic peptide. It is used in research to investigate immune-related cellular signaling and regulatory mechanisms.

What is Thymosin Alpha-1 commonly researched for?

In laboratory and preclinical models, Thymosin Alpha-1 is studied for:

T-cell activation pathway research
Innate and adaptive immune signaling mechanisms
Cytokine pathway investigations
Toll-like receptor (TLR) interaction studies
Immune system modulation models

All applications are exploratory and conducted in controlled research environments.

Is Thymosin Alpha-1 naturally occurring?

Yes. Thymosin Alpha-1 is derived from a naturally occurring peptide fragment found in the thymus. Synthetic research-grade versions replicate this endogenous sequence.

How does Thymosin Alpha-1 differ from Thymogen or other cytomedines?

Thymosin Alpha-1 is a defined 28–amino acid peptide sequence, whereas cytomedines such as Thymogen consist of shorter peptide fragments or complexes. Their structures and research applications differ significantly.

How is Thymosin Alpha-1 supplied?

Thymosin Alpha-1 is typically supplied as a lyophilized (freeze-dried) powder in sealed research vials to preserve stability during storage and shipment.

How should unreconstituted Thymosin Alpha-1 be stored?

Lyophilized Thymosin Alpha-1 should be stored:

Long-term: −20 °C to −80 °C
Short-term: 2–8 °C

Keep vials sealed and protected from light and moisture until use.

How should reconstituted Thymosin Alpha-1 be handled and stored?

Once reconstituted:

Store at 2–8 °C for short-term laboratory use
For extended storage, aliquot and freeze at −20 °C or below
Minimize freeze–thaw cycles using single-use aliquots
Gently swirl to mix; avoid vigorous agitation

Does Thymosin Alpha-1 require a Certificate of Analysis (COA)?

Yes. A Certificate of Analysis (COA) should be available for each batch, verifying peptide identity, purity, and analytical testing results to ensure research quality and traceability.

Is Thymosin Alpha-1 FDA-approved?

Research-grade Thymosin Alpha-1 is not FDA-approved as a drug, supplement, or therapeutic product. It is sold exclusively as a research compound and must not be marketed or used for diagnostic, therapeutic, or consumption purposes.

⚠️ Research Use Only

This product is not for human consumption. It is sold strictly for research and educational purposes and is not intended to diagnose, treat, cure, or prevent any disease.

Any clinical data or research information referenced on this page is derived from peer-reviewed scientific literature and official publications. This information is provided for educational reference only and does not constitute medical advice or product claims.

By purchasing this product, you acknowledge that you are a qualified researcher and agree to use it in full compliance with all applicable laws and regulations.