Livagen powder is a synthetic tetrapeptide composed of four amino acids: lysine, glutamic acid, aspartic acid, and alanine. It is produced through controlled chemical peptide synthesis rather than biological extraction, allowing for a defined sequence and consistent molecular profile. The material is typically supplied as a white, lyophilized powder for laboratory handling and storage, and is intended for research use where precise composition and batch stability are required.
In research settings, Livagen is mainly studied as a short regulatory peptide associated with gene expression and nuclear-level regulatory mechanisms. Due to its small molecular size, it is commonly explored in cell-based models focusing on chromatin interaction, transcription-related processes, and liver-associated cellular systems. It is also used in broader molecular biology and immunology research where short-chain peptides are evaluated as modulators rather than direct signaling ligands.
Shaanxi Medibridge Biotech Co., Ltd. supplies Livagen powder as a research-grade peptide with controlled synthesis, batch-to-batch consistency, and routine analytical verification such as HPLC and LC-MS.

COA
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Product Name |
CAS Number |
Batch Number |
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Livagen Powder |
N/A |
MB2601201030 |
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Manufacturer Date |
Analysis Date |
Expiry Date |
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2026-01-20 |
2026-01-21 |
2028-01-19 |
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Sample Qty Base |
Packing |
Test Method |
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2.98KGS |
10GS/bottle |
HPLC |
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Item |
Standard |
Results |
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Appearance |
White lyophilized powder |
Conforms |
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Purity (HPLC) |
≥98% |
99.43% |
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Molecular Weight (LC-MS) |
461.5 |
Conforms |
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Sequence Confirmation |
Lys-Glu-Asp-Ala |
Conforms |
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Solubility |
Soluble in sterile water / standard lab buffers |
Conforms |
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Water Content (Karl Fischer) |
≤5% |
3.24% |
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Residual Solvents |
≤0.5% |
0.11% |
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Heavy Metals |
≤20 ppm |
< 8 ppm |
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Endotoxin |
≤1 EU/mg |
Conforms |
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Shelf Life |
12 months from production |
Conforms |
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E. coli |
Negative |
Negative |
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Salmonella |
Negative |
Negative |
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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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Mechanism of Action (Research Overview)
Current research explores the role of this tetrapeptide in chromatin dynamics and transcriptional modulation.
1. DNA and Chromatin Modulation
Experimental studies suggest potential interaction with nucleoprotein complexes that regulate chromatin condensation. Because chromatin structure directly influences transcriptional efficiency, regulatory peptides affecting chromatin accessibility are of particular interest in epigenetic investigations.
Reported laboratory observations include:
- Alterations in DNA–histone interaction equilibrium
- Modulation of chromatin decondensation in specific cell systems
- Variation in accessibility of selected genomic regions
These characteristics make the peptide relevant to research areas such as:
- Epigenetic regulatory mechanisms
- DNA repair pathway analysis
- Cellular senescence and aging models
- Transcription efficiency assessment
All findings are limited to controlled research environments.
2. Gene Expression and Protein Regulation
Preliminary cell and animal model data indicate potential associations with transcriptional activity related to cellular maintenance and stress-response pathways.
Research directions include:
- Ribosomal and protein synthesis marker analysis
- Stress-induced transcription regulation
- Molecular aging biomarkers
- Cellular adaptation and resilience pathways
Such investigations contribute to broader studies on gene regulatory networks and peptide-mediated modulation.
3. Immune and Lymphocyte Research
Emerging laboratory findings suggest possible influence on immune-related transcriptional balance, particularly in lymphocyte-based models.
Areas under academic discussion include:
- Chromatin remodeling events in immune cells
- Regulation of cytokine-related gene expression patterns
- Maintenance of transcriptional equilibrium within immune signaling networks
- Shifts in regulatory balance between inflammatory gene clusters
Through potential modulation of chromatin accessibility, the peptide may indirectly affect immune signaling cascades at the transcriptional level. These interpretations are exploratory and remain within the scope of scientific research.

Specification (For Research Use Only)
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Form |
Sample Order |
Specification |
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Raw Powder |
1 g |
Purity ≥98% |
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Vials |
10 vials |
3ml / 5ml / 10ml / 15ml customizable |
Packaging formats can be adjusted according to project requirements.

Our Advantages
- High purity with structured analytical verification
- Reliable batch-to-batch reproducibility
- Optimized lyophilization for improved storage stability
- Flexible customization options
- Worldwide distribution support
- Research-oriented compliance documentation.

Potential Application Areas
(For Research / Academic Exchange Only)
- Epigenetic and chromatin remodeling studies
- DNA repair and transcription pathway research
- Liver-associated gene regulation models
- Aging-related transcriptional profiling
- Immune cell signaling and lymphocyte gene expression analysis
- Peptide–DNA interaction assays

Experimental Design Reference
(For Research / Academic Exchange Only)
Researchers may consider:
- Chromatin accessibility evaluation (e.g., ATAC-seq methodologies)
- Transcription factor binding analysis
- DNA repair marker monitoring under oxidative stress conditions
- Multi-timepoint gene expression profiling
- Statistical models such as MMRM or ANCOVA for repeated measurements
All experimental designs should comply with institutional research guidelines and applicable regulatory standards.
FAQ
Q: What is this peptide mainly studied for?
A: It is investigated in laboratory settings for potential roles in chromatin modulation, gene expression processes, and immune-related transcription regulation.
Q: Is it approved for human use?
A: No. It is supplied strictly for research purposes and is not authorized for human or veterinary applications.
Q: Can it be used in clinical research?
A: It is not an approved pharmaceutical compound and is intended solely for laboratory experimentation.
Q: Is customization available?
A: Yes. Vial format, labeling, and quantity specifications can be tailored to specific research requirements.
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