Testagen powder is a synthetic tetrapeptide composed of the amino acid sequence Lys-Glu-Asp-Gly (KEDG). The peptide is produced through solid-phase peptide synthesis (SPPS) followed by purification using high-performance liquid chromatography (HPLC). The final product is obtained as a stable lyophilized peptide powder suitable for laboratory storage and handling.
Short-chain peptides such as Testagen are frequently studied in biochemical and molecular biology research related to peptide-mediated regulatory mechanisms and molecular interaction systems. Due to its defined amino acid composition and small molecular size, the peptide can serve as a useful experimental model in laboratory investigations focusing on peptide signaling pathways and molecular recognition processes.
Shaanxi Medibridge Biotech Co., Ltd. supplies research-grade peptide raw materials to laboratories, universities, and scientific institutions worldwide, providing reliable purity standards and stable batch supply.
COA
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Product Name |
CAS Number |
Batch Number |
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testagen powder |
1026993-38-3 |
MB2601271030 |
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Manufacturer Date |
Analysis Date |
Expiry Date |
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2026-01-27 |
2026-01-28 |
2028-01-26 |
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Sample Qty Base |
Packing |
Test Method |
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2.37KGS |
10GS/bottle |
HPLC |
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Item |
Standard |
Results |
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Appearance |
White lyophilized peptide powder |
Conforms |
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Identification (HPLC) |
Retention time consistent with reference standard |
Conforms |
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Peptide Sequence |
Lys-Glu-Asp-Gly (KEDG) |
Conforms |
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Molecular Formula |
C17H29N5O9 |
Conforms |
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Molecular Weight |
447.44 |
Conforms |
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Purity (HPLC) |
NLT 98.0% |
98.68% |
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Solubility |
Soluble in water |
Conforms |
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Water Content (Karl Fischer) |
NMT 5.0% |
2.15% |
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Acetate Content |
NMT 12.0% |
6.27% |
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Heavy Metals |
NMT 10 ppm |
Conforms |
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Related Substances |
NMT 2.0% |
Conforms |
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Microbial Limits |
Complies with laboratory reagent standards |
Conforms |
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Storage |
Store in cool & dry place. keep away from strong light and heat |
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Conclusion |
The batch conforms to the IN-HOUSE standard |
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Testicular Regulatory Mechanism
Testagen Powder is a short-chain tetrapeptide associated with regulatory processes in testicular tissue. Peptides of this class are investigated for their ability to participate in cellular signaling networks that contribute to reproductive system homeostasis. Due to its small molecular size and simple amino acid sequence, the peptide is able to interact with intracellular targets involved in cellular communication and regulatory pathways.
In experimental models, regulatory tetrapeptides similar to this structure are studied for their potential interactions with specialized cells in the testes, including Leydig cells and germinal epithelium. These cellular populations play central roles in androgen synthesis, spermatogenic support, and local endocrine signaling.
Within laboratory settings, Testagen is commonly explored as a molecular tool for investigating how short bioactive peptides may influence signaling cascades related to reproductive tissue regulation, cellular metabolism, and endocrine balance within the testicular microenvironment.
Epigenetic Interaction Characteristics
Research on peptides of comparable size has suggested that certain tetrapeptides may participate in transcription-related mechanisms through weak binding interactions with genomic regions or chromatin-associated proteins. These interactions are believed to occur at the level of regulatory sequences, potentially influencing cellular protein synthesis and metabolic pathways.
Because of these characteristics, Testagen is frequently used in laboratory investigations exploring peptide-mediated epigenetic signaling, gene expression modulation, and cellular differentiation mechanisms within endocrine and reproductive biology research models.
Reproductive Endocrine Research Applications
Testagen Powder is primarily utilized in research fields related to reproductive endocrinology and cellular regulation within the male reproductive system. The peptide is often investigated as a molecular component in experimental models designed to study endocrine signaling and tissue-specific regulatory mechanisms.
Typical laboratory applications may include:
- Studies of Leydig cell metabolic activity
- Investigation of androgen biosynthesis pathways
- Experimental models related to spermatogenic signaling
- Research on hypothalamic–pituitary–gonadal (HPG) axis regulation
- Cellular models examining reproductive endocrine balance
Due to its structural simplicity and defined peptide sequence, Testagen can serve as a useful molecular probe for exploring how short regulatory peptides interact with endocrine-related signaling networks in controlled research environments.
Specifications / Our Advantages
Advanced peptide synthesis manufacturing technology
High purity peptide preparation with HPLC purification
Strict analytical quality testing procedures
Reliable batch-to-batch manufacturing consistency
Lyophilized powder form for stable laboratory storage
Flexible packaging options and vial size customization
Professional peptide synthesis production capability
Efficient international logistics support for global research customers
Solubility and Handling
Testagen Powder is supplied as a sterile lyophilized peptide preparation intended for laboratory use. Prior to experimental application, the powder should be reconstituted using an appropriate solvent such as sterile distilled water or buffered aqueous solutions.
For optimal handling:
- Allow the vial to equilibrate to room temperature before opening to prevent moisture condensation.
- Reconstitute the peptide using sterile water or phosphate-buffered saline (PBS).
- Gently swirl the vial to dissolve the powder completely; avoid vigorous agitation or vortexing.
Prepared peptide solutions should be aliquoted when possible to minimize repeated freeze–thaw cycles, which may affect long-term peptide stability.
Storage
The lyophilized peptide powder should be stored under controlled low-temperature conditions to maintain structural integrity.
Recommended storage conditions include:
- Long-term storage: −20°C or lower in a dry environment
- Short-term storage: 2–8°C for limited laboratory handling periods
After reconstitution, peptide solutions are typically stored at −20°C in small aliquots to reduce degradation associated with repeated freeze–thaw cycles. Proper sealing of vials and protection from excessive moisture are recommended to maintain product stability.
Package Options
This product is available in several packaging formats designed to support a variety of laboratory research scales.
Common packaging options include:
- 10 mg research vial
- 50 mg laboratory vial
- Bulk research quantities upon request
Each vial contains lyophilized peptide powder sealed under controlled conditions to ensure stability during transport and storage. Custom packaging configurations may also be arranged to accommodate specific research requirements or institutional procurement needs.
FAQ
Q: What is Testagen used for?
A: Testagen is a synthetic peptide supplied for laboratory research purposes. It is commonly used in biochemical and molecular biology research involving peptide-related experimental models.
Q: What form is the product supplied in?
A: The product is supplied as a lyophilized peptide powder, which allows convenient storage and reconstitution for laboratory experiments.
Q: What is the purity of the peptide?
A: The peptide purity is not less than 98% as verified by High-Performance Liquid Chromatography (HPLC).
Q: Can the product be customized?
A: Yes. Packaging size, vial format, labeling, and peptide quantity per vial can be customized according to research requirements.
Q: Is this product intended for human use?
A: No. This product is supplied strictly for laboratory research purposes only.
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