Peptide Drug Gene Construction and Expression Platform

* Please kindly note that our products and services can only be used to support research purposes (Not for clinical use).

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As a professional enterprise deeply rooted in the field of biomedicine, Creative Peptides is not only equipped with advanced gene construction and peptide expression platform, but also proud that we provide our customers with a full range of customized high-end technical services, aiming to strongly drive customers to move forward steadily in the whole chain process of peptide drug research and development to commercialization. Accelerate the birth and market transformation of innovative therapies.

The peptide drug gene construction and expression platform is a comprehensive technology system designed to meet the needs of the design, synthesis, expression and purification of peptides. It integrates the essence of molecular biology, protein engineering and biochemistry, and aims to provide strong support for scientific research, drug innovation and diagnostic reagent development through high efficiency and precision.

Advantages of peptide drug gene construction and expression platform

The peptide drug gene construction and expression platform, with its unique advantages, greatly accelerates the pace of transformation from laboratory research results to clinical applications, the specific advantages are reflected in:

Efficient synthesis ability: Using genetic engineering technology, the platform can quickly synthesize peptides of any sequence and length, significantly shortening the time compared with traditional chemical synthesis methods, and greatly improving the timeliness of scientific research and development.

Economic cost-effectiveness: With the continuous advancement of gene recombination technology, the platform has significantly reduced the cost of large-scale production of peptide drugs, and ensured the cost-effective production of peptides by optimizing the expression system and production process.

Precise design and modification: The gene construction process gives high precision to peptide sequence design and modification, including site-specific mutation, label fusion and other strategies, providing a powerful tool for in-depth exploration of the relationship between peptide structure and function and drug performance optimization.

Scale and standardization: The scalability of the platform means that technology processes are easily standardized and automated, perfectly adapted to the different needs of small-scale research to large-scale industrial production, accelerating the transformation process from the laboratory to the market.

Diversity of expression systems: The platform can flexibly adapt to a variety of biological expression systems, whether it is prokaryotic cells, yeast, insect cells or mammalian cells, and can select the most appropriate expression host according to the characteristics of peptides and application requirements.

Rapid response and innovation: The flexibility of the platform enables researchers to quickly respond to new discoveries, quickly build and test novel peptide sequences, accelerate the screening and optimization of drug candidate molecules, and promote the agility of drug development.

High bioactivity and specificity: The platform can efficiently produce peptides with high bioactivity and specificity, especially those with complex structures and traditional synthesis difficulties, such as modular peptides and cyclic peptides, opening a new door for drug innovation.

Technological innovation leadership: Combined with advanced gene editing tools such as CRISPR/Cas9 and computational biology methods, the platform has promoted the precision process of peptide design and optimization, opening up cutting-edge paths for new drug development.

Wide application fields: The application of the platform is not limited to drug development, but also plays a vital role in many biotechnology fields such as vaccine research and development, diagnostic reagent innovation, biomaterials science, and so on, showing its wide application value.

Applications of peptide drug gene construction and expression platform

In the broad field of modern biopharmaceuticals, the peptide drug gene construction and expression platform occupies a core position, and its application is extensive, running through every key stage from basic scientific research to clinical practice. The following concrete examples further illustrate the innovative applications of the platform in many areas.

Drug discovery and development: The platform enables research teams to rapidly synthesize and express peptide sequences with target biological activity, accelerating the screening process for new drug candidates. This covers not only peptide mimics designed for specific disease targets (such as receptors, enzymes, and signaling molecules), but also structural optimization and innovative modifications based on existing active peptides, driving the pace of drug development.

Cancer treatment strategy: In view of the advantages of peptide drugs in high specificity and low toxic side effects, their research in the field of cancer targeted therapy is increasingly in-depth. The platform technology can customize the construction of peptides that specifically recognize tumor cell surface markers, for example, using RGD sequences to target tumor cells with integrin overexpression, or developing peptide drugs coupled with toxins and radioisotopes to achieve precise targeted therapy of tumors.

Metabolic disease management optimization: The production of insulin-based peptide drugs is key to the treatment of metabolic diseases such as diabetes. By optimizing the expression strategy of insulin gene, the gene construction platform not only improves the yield and stability, but also effectively reduces the production cost and brings benefits to patients.

Expansion of immunomodulatory applications: Peptide drugs have shown great potential in regulating the body's immune response, opening up new avenues for the treatment of autoimmune diseases, allergic diseases and infectious diseases. The platform supports the design and expression of peptides with specific immunomodulatory functions, such as cytokine mimicking peptides and immune checkpoint inhibitors, further broadening the scope of immunotherapy.

Frontier exploration of antiviral therapy: At the forefront of antiviral research, peptide drugs show great potential as tools to directly inhibit viral replication or enhance host immune defense. The platform technology can rapidly synthesize and test antiviral peptides against many viruses, including HIV, hepatitis B virus, influenza virus, and provide a new strategy for antiviral therapy.

Diversified development of biotechnology products: The application of peptides in cosmetics, health products and other biotechnology products is increasing. The platform is capable of designing and producing beauty peptides and nutritional supplements with specific biological activities, such as peptide formulations that promote skin repair and antioxidant, which has promoted the innovative development of the biotechnology industry.

Innovation in research tools and diagnostic reagents: By constructing specific tags or peptide fragments, the platform provides efficient tools for protein interaction studies, cell labeling, and pathogen diagnosis. For example, live cell imaging studies using fluorescently labeled peptides, or peptide probes designed to improve the accuracy and sensitivity of pathogen detection.

An overview of our service processes

  • Gene design and synthesis phase

According to the specific needs of customers, the peptide sequence is carefully designed to ensure the biological activity, stability and efficient expression of the sequence. Implement DNA sequence synthesis, optimize codon use, ensure compatibility with target expression systems, and eliminate interference from harmful sequences such as introns and repeats.

  • Carrier construction and optimization

It provides a variety of expression vector options, including prokaryotic and eukaryotic expression systems, and selects the most suitable vector according to the characteristics of the peptide. Perform precise gene cloning steps to ensure that the synthesized peptide gene sequence is correctly integrated into the vector, and the appropriate reading frame and promoter configuration are maintained.

  • Refinement of transformation and expression conditions

Successful transformation or transfection of host cells ensures efficient introduction of recombinant DNA. Carefully optimized expression conditions, including temperature, concentration of inducer and culture time, to maximize expression efficiency and product solubility.

  • Protein expression and preliminary analysis

Small to pilot scale protein expression was performed to evaluate the amount and expression form of the product. The preliminary expression products were qualitatively and quantitatively analyzed by SDS-PAGE, Western Blot and other classical techniques.

  • Peptide purification and quality control

A variety of purification techniques, such as affinity chromatography, ion exchange chromatography and gel filtration, are used to achieve high purity separation of peptides. Through HPLC, mass spectrometry and other advanced means, the quality of the purified products is strictly checked to ensure its purity and integrity.

  • Systematic evaluation of biological activity

Bioactivity of peptides was determined, including enzyme activity, cell activity and molecular binding ability assessment, to verify the expected bioactivity. An in-depth functional evaluation is performed to ensure that the peptide retains its original activity and functional properties.

  • Customized service and technical support

Provides customized services including specific label fusion expression for easy purification and detection. Support special requirements, such as sterile nitrogen-filled packaging, stability enhancement treatment, etc., to meet the diverse needs of customers. The whole process is accompanied by technical support and consulting services, covering key links such as project design, experimental optimization, data interpretation, and follow-up long-term support such as stable cell line construction and production process optimization, to ensure the smooth implementation and successful transformation of the project.


1. What is a peptide drug gene construction and expression platform?

A peptide drug gene construction and expression platform is a biotechnology tool used to design, construct, and express genes that encode peptide drugs. It involves the creation of gene sequences, their insertion into appropriate vectors, and the expression of these genes in suitable host systems to produce the desired peptides.

2. What host systems are commonly used for peptide expression?

Common host systems include bacterial cells (such as E. coli), yeast cells (such as Saccharomyces cerevisiae), insect cells (using baculovirus expression systems), and mammalian cells. The choice of host depends on the complexity and requirements of the peptide.

3. What are the advantages of using gene construction and expression platforms for peptide drug production?

  • Allows for large-scale production of peptides.
  • Reduces production costs compared to synthetic methods.
  • Enables production of peptides with necessary modifications, especially in eukaryotic systems.
  • Provides high consistency and purity of the produced peptides.

4. What factors influence the choice of expression system for a specific peptide?

Factors include the peptide's complexity, required post-translational modifications, yield requirements, production cost, and the intended application of the peptide.

5. How is peptide expression optimized in different host systems?

Optimization involves selecting the right expression vector, optimizing codon usage for the host, adjusting expression conditions (such as temperature, induction time, and media composition), and modifying the host strain or cell line to enhance peptide yield and stability.

6. What are the common challenges in peptide gene construction and expression?

Common challenges include peptide toxicity to the host cells, solubility issues, formation of inclusion bodies, degradation by host proteases, and achieving correct folding and post-translational modifications.

7. How do you purify expressed peptides?

Purification methods depend on the host system and the peptide properties, but common techniques include affinity chromatography, ion exchange chromatography, and size exclusion chromatography. Tags (such as His-tag) may be added to facilitate purification.

8. Can these platforms be used for producing therapeutic peptides?

Yes, these platforms are extensively used for producing therapeutic peptides. They allow for the scalable and cost-effective production of peptides required for clinical trials and commercial use.

* Please kindly note that our products and services can only be used to support research purposes (Not for clinical use).
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