Nanjing UA Protein: Your Comprehensive Provider of Professional Cytokine Solutions

1. Nanjing UA Protein Cytokines

Cytokines, as key mediators of intercellular signaling, play a central role in immune regulation, cell proliferation and differentiation, and disease treatment. Based on its mature recombinant protein technology platform, Nanjing UA Protein provides a comprehensive range of cytokine products, including chemokines and their receptors, interferons, interleukins, growth factors, colony-stimulating factors, and tumor necrosis factors. Particularly in the fields of GMP-grade cytokines and animal component-free cytokines, it has established a strict quality control system, providing reliable support for cell therapy, gene therapy, and biopharmaceutical R&D.

2. Nanjing UA Protein Technology Platform and Quality System

2.1 Nanjing UA Protein Expression System Selection Strategy

Nanjing UA Protein employs diversified expression systems based on the specific requirements of different cytokine types:

• Mammalian Cell Expression Systems (HEK293/CHO)

  • Suitable for cytokines requiring complex glycosylation modifications.

  • Ensures high consistency of protein structure with native human proteins.

  • Primarily used for the production of GMP-grade cytokines for therapeutic use.
    
    

• Prokaryotic Expression System (E. coli)

  • Suitable for cytokines not requiring complex post-translational modifications.

  • Offers advantages of high expression yield and cost-effectiveness.

  • Widely used for the preparation of research-grade cytokines.
    
    

2.2 Nanjing UA Protein Strict Quality Control System

All cytokine products undergo systematic quality validation:

• Purity Analysis: SDS-PAGE and HPLC analysis ensure purity >95%.

• Bioactivity Assay: Functional validation based on cell proliferation/inhibition assays.

• Endotoxin Control: Strictly controlled at <0.1 EU/μg (Research Grade) / <0.01 EU/μg (GMP Grade).

• Sterility Testing: Ensured free from bacterial, fungal, and mycoplasma contamination.
  
  

3. Nanjing UA Protein Core Product Series

3.1 Nanjing UA Protein GMP-Grade Cytokines

Nanjing UA Protein's GMP-grade cytokines strictly adhere to Good Manufacturing Practice:

• Production System Characteristics

  • Manufactured in GMP-compliant cleanrooms.

  • Strict process controls and documentation management throughout production.

  • Raw material suppliers undergo rigorous audit and qualification.
    
    

• Product Advantages

  • Ultra-low endotoxin levels: <0.01 EU/μg.

  • Animal Component-Free: Avoids risk of adventitious agent contamination.

  • Complete Traceability: Each batch has complete production records.
    
    

• Primary Application Areas

  • Cell therapy product manufacturing.

  • Gene therapy vector preparation.

  • Support for preclinical studies and regulatory filings.
    
    

3.2 Nanjing UA Protein Animal Component-Free Cytokines

To meet the specific needs of fields like cell therapy, Nanjing UA Protein has developed an Animal Component-Free cytokine series:

• Technical Features

  • No animal-derived raw materials used during the production process.

  • Uses chemically defined media systems.

  • Avoids animal-derived enzymes in the purification process.
    

• Quality Assurance

  • Testing for animal-derived component residues via PCR methods.

  • Host Cell Protein (HCP) residue <100 ppm.

  • Host DNA residue <10 ng/dose.
    
    

3.3 Nanjing UA Protein Chemokines and Their Receptors

Provides a complete product line of chemokines and their receptors:

• CC Chemokine Family

  • CCL2 (MCP-1), CCL3 (MIP-1α), CCL5 (RANTES), etc.

  • Suitable for monocyte, lymphocyte chemotaxis research.
    
    

• CXC Chemokine Family

  • CXCL8 (IL-8), CXCL12 (SDF-1), etc.

  • Primarily mediate neutrophil chemotaxis and angiogenesis regulation.
    
    

• Chemokine Receptors

  • CCR5, CXCR4, and other important receptor proteins.

  • Maintain native conformation, suitable for ligand-binding studies.
    
    

3.4 Nanjing UA Protein Interferons (IFNs) Series

Nanjing UA Protein provides a full range of interferon products:

• Type I Interferons

  • IFN-α, IFN-β, etc.

  • Possess antiviral and immunomodulatory activity.
    
    

• Type II Interferon

  • IFN-γ.

  • Primarily involved in immune regulation and macrophage activation.
    
    

• Type III Interferons

  • IFN-λ.

  • Play an important role in mucosal immunity.
    
    

3.5 Nanjing UA Protein Interleukins (ILs) Family

Covers interleukin products from IL-1 to IL-38:

• Pro-inflammatory Interleukins

  • IL-1, IL-6, IL-8, etc.

  • Suitable for inflammation mechanism research.
    
    

• Regulatory Interleukins

  • IL-10, IL-35, etc.

  • Used for immune tolerance and suppression mechanism research.
    
    

3.6 Nanjing UA Protein Growth Factors Series

Provides a variety of growth factor products:

• Epidermal Growth Factor Family

  • EGF, TGF-α, etc.

  • Promote epithelial cell proliferation and differentiation.
    
    

• Fibroblast Growth Factor Family

  • FGF basic, FGF acidic, etc.

  • Involved in tissue repair and embryonic development.
    
    

• Vascular Endothelial Growth Factor Family

  • VEGF-A, VEGF-B, etc.

  • Regulate angiogenesis and endothelial cell function.
    
    

3.7 Nanjing UA Protein Colony-Stimulating Factors (CSFs)

Colony-Stimulating Factor products include:

• G-CSF (Granulocyte Colony-Stimulating Factor)

  • Promotes neutrophil proliferation and differentiation.
    
    

• GM-CSF (Granulocyte-Macrophage Colony-Stimulating Factor)

  • Stimulates myeloid progenitor cell proliferation.
    
    

• M-CSF (Macrophage Colony-Stimulating Factor)

  • Specifically promotes monocyte/macrophage lineage proliferation.
    
    

3.8 Nanjing UA Protein Tumor Necrosis Factor (TNF) Superfamily

Tumor Necrosis Factor and related members:

• TNF-α

  • Possesses tumor cell apoptosis-inducing activity.
    
    

• TNF-β (Lymphotoxin)

  • Involved in lymphoid organ development and immune regulation.
    
    

• Other TNF Superfamily Members

  • FasL, TRAIL, and other apoptosis-inducing ligands.
    
    

4. Nanjing UA Protein Application Support & Services

4.1 Nanjing UA Protein Custom Services

• Special mutant design.

• Preparation of fusion proteins with different tags.

• Support for large-scale production needs.
  
  

4.2 Nanjing UA Protein Technical Consultation & Support

• Product selection and application guidance.

• Experimental protocol optimization suggestions.

• Support for quality control method development.
  
  

5. Nanjing UA Protein Quality Research & Stability

5.1 Nanjing UA Protein Analytical Method Development

• Bioactivity analysis methods based on cell models.

• Physicochemical property characterization methods.

• Impurity analysis and control strategies.
  
  

5.2 Nanjing UA Protein Stability Studies

• Real-time stability monitoring.

• Accelerated stability testing.

• Use-condition stability assessment.
  
  

6. Nanjing UA Protein 

Leveraging its technical expertise in the recombinant protein field, Nanjing UA Protein has established a comprehensive cytokine product portfolio and a stringent quality control system. Particularly in the areas of GMP-grade cytokines and animal component-free cytokines, through strict production processes and quality control, it provides reliable product support for cell therapy and biopharmaceutical R&D. The company remains committed to continuous product quality improvement and technological innovation, aiming to provide superior products and services for life science research and clinical applications.

For detailed product information and technical documentation, please visit the Nanjing UA Protein official website or contact the professional technical support team.