Choosing a protein expression system is crucial for research requiring significant amounts of recombinant protein. You may find a staggering variety of service providers with just a quick online search. This could be intimidating for a beginner, which is why many are turning to outsourcing options.
Recombinant proteins have many medical and scientific uses, including diagnosing and treating diseases. Although you can produce them in-house, there are various benefits to outsourcing recombinant protein production.
If you are considering choosing a reliable protein expression service for your projects, there's no better resource to help you make an informed decision than this post.
This guide explores the benefits of outsourcing protein expression services for researchers, non-governmental organizations, and businesses by finding and working with the right experts in today's saturated life science sector.
What is Protein Expression?
Protein expression is the term that describes mechanisms through which proteins are synthesized, modified, and regulated in cells and organisms. In protein research, the term "protein expression" can also mean the application of laboratory procedures necessary to produce proteins.
In addition, protein expression has evolved into a crucial laboratory technique for studying various biochemical, molecular biological, and protein-related topics.
For further studies, such as identifying the three-dimensional arrangement of proteins, as biochemical markers or probes, or as novel pharmaceutical products, among others, expressed protein products must be operational and exhibit traits comparable to their native versions. Protein expression can also give scientists the substrates or enzymes they need to conduct further research.
Therapeutic uses of recombinant proteins include replacing defective or aberrant proteins, enabling targeted medication administration, and serving as vaccines. In contrast, diagnostic uses primarily consist of their utility as controls in procedures like lateral-flow immunoassays.
The expression of recombinant proteins for diagnostic or therapeutic applications, as opposed to those approved for RUO, is subject to stringent regulations.
A pilot protein expression study is typically carried out on a smaller scale before a full-scale protein expression begins. Given the complexities of these procedures, outsourcing protein expression services is on the rise.
Exploring Protein Expression Services
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What are Protein Expression Services?
Protein expression services offer small- to large-scale protein expression and purification at economical rates, as well as more advanced and tailored packages, such as testing a client's preferred conditions for expressing recombinant proteins across multiple systems simultaneously or producing proteins under a broader set of conditions in a single system.
These services cover every stage, from gene synthesis and the development of expression vectors through manufacturing pilot quantities of proteins in flasks to large quantities of proteins using bioreactors and fermenters.
It wasn't until 1989 that outsourcing was recognized as a legitimate corporate strategy, but since then, it has become an industry standard. In most cases, businesses, institutions, and individuals explore an outsourcing approach for their support functions if those functions fall beyond the scope of the company's core competencies.
A significant number of prospective clients who want ongoing access to high-quality recombinant proteins ask whether it would be more cost-effective for them to outsource protein expression to a specialist provider rather than build up or expand their in-house capability.
Several specialist providers offer a range of services for protein expression and production. Outsourcing this application has the potential to save both time and resources while also providing access to specialized technical skills and infrastructure for the expression and manufacturing of proteins of interest.
These services can provide researchers with various alternatives for protein expression systems and the benefits of comprehensive pipelines that start with the gene of interest and end with the purified protein.
When selecting a service, one of the aspects that should be considered is the type of expression system you need, which could be bacterial, baculovirus, or mammalian cell lines.
Below are the primary methods for expressing recombinant proteins, which you must consider.
Primary Recombinant Protein Expression Systems
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A wide range of expression hosts are used to manufacture recombinant proteins, each with advantages and drawbacks.
- E. coli is not only simple to work with and affordable but also ideally suited for expressing bacterial proteins. However, they cannot add post-translational modifications (PTMs), meaning their protein products don't fully reflect the native state.
- Yeasts like S. cerevisiae are also low-priced and easy to work with, and they have the added benefit of secreting hardly any of their proteins, making purification much simpler. Conversely, yeasts have a slower development rate than bacterial counterparts and are more likely to cause proteins to become overglycosylated.
- The Baculovirus expression system (BEVS) uses a baculovirus vector to introduce the gene of interest into insect cells for protein production. It is a eukaryotic expression system and can conduct some PTMs while also producing high yields of protein.
- Mammalian expression hosts, such as human embryonic kidney cells (HEK293) or Chinese hamster ovary (CHO) cells, can produce various PTMs and influence protein production by employing inducible promoters. Other examples of mammalian expression systems include Chinese hamster ovary (CHO) cells. They can also be used to produce stable cell lines, making them an excellent choice for long-term projects. This is why diagnostic and therapeutic proteins are typically produced using mammalian expression systems.
Several recombinant proteins, often known as rec. proteins are now accessible for purchase commercially. Since many of these proteins (especially soluble proteins that are secreted) are biologically active, there is little reason to opt for in-house production.
Why, then, would you choose an outsourced production?
To begin with, there are several reasons (and all of them are excellent!).
Although the answer to this question will vary from company to company, we have compiled a list of the top ten advantages of outsourcing your company's protein expression operations.
Benefits of Outsourcing Protein Expression
1. Reliably Reproduce Biological Outcomes
Working with a single production source can lessen batch-to-batch variability. There is no chance of your supplier changing, which is always possible when dealing with OEM products.
You avoid costly and time-intensive supplier validations that may be necessary if the batch fails to match, saving you both money and time.
Furthermore, several commercially available custom proteins still need to be biologically assessed. If you aren't well-informed, spending time and resources on a protein that falls short of your needs is possible. Fortunately, you don't have to worry about this issue once you work with a protein expression expert.
2. Absolute Source Control
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When you choose a service provider, you have full knowledge of where and by whom your protein is generated and can tailor your quality control (QC).
Proteins are manufactured to ensure they meet your specifications, and you can count on the same method being used for repeat batches.
There is little to no variation from batch to batch. This ensures manufacturing uniformity, making it possible to reproduce your results consistently.
How do you know that the current supplier is the one who produces the product, and that this supplier will remain consistent in the future? You can only achieve this by finding and outsourcing to the right provider.
3. Spend less on In-house Protein Expression.
One of the primary reasons why companies are more likely to outsource research is to save money. The cost savings offered by the exemplary protein expression service are significant. Outsourcers can save money without cutting into their profits by taking advantage of cheaper platform options and the economies of scale they provide.
If your activity requires large quantities of proteins expressed, you'll have to negotiate bulk costs, although a custom batch is usually less expensive after the first batch. Additionally, production flexibility allows you to adjust your quantity to meet growing demands at a lower cost.
If you routinely acquire protein production services, compare those costs to in-house operations. You can determine the best course of action if you carefully analyze your expenses.
4. Ensure the Viability of Your Projects
How frequently do potentially fruitful studies get scrapped because of the high cost of bioagents and proteins? Your life science projects become more feasible once you find affordable and reliable protein synthesis companies.
5. Increases Flexibility
As your project progresses, one attractive option you can enjoy with outsourced providers is the development of variations from a specific protein type.
6. Cost reductions in both technology and infrastructure
Since purchasing infrastructure and subscribing to premium databases is costly, many businesses and institutions choose to form lasting partnerships with life science suppliers to save money while still receiving the customized services they require.
7. Exposure to Skilled Individuals and Specialties
For some, their primary motivation for using a protein expression service is to gain access to expert researchers and their resources without hiring and educating new staff.
Leveraging a protein synthesis and expression provider is advantageous since it opens the door to fresh talent pools with specialized experience in expression systems, technology, and the latest infrastructure.
8. Maximize Competitive Advantage
The degree of adaptability an organization possesses is another frequently considered factor. Peptide synthesis, custom antibody production, and protein production can be outsourced, allowing businesses to concentrate their efforts on their core competencies while delegating fewer essential tasks to specialists better qualified to perform such tasks. This helps businesses capitalize fully on their competitive edge over their rivals.
9. Risk-sharing
Another advantage of outsourced services is the ability to share risks. It is in the best interest of outsourcing services to supply the highest standards of products because the manufacturer and the outsourced provider will be held responsible for the product produced by the ultimate client.
10. A 24-hour operation
When you outsource to a country in another time zone, you have the added benefit of leveraging all 24 hours daily. When in-house workers clock out for the day, outsourcing partners can step in and finish operations to ensure you meet the demands of your projects.
11. Adjustable Operation Schedules
Employing researchers on a full-time basis can be a very pricey endeavor, especially if the requirements for research are fluid. If the organization needs more or less research capability simultaneously, it can adjust its agreement with the provider accordingly.
Making The Right Choice
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Suppose you're not sure which protein manufacturing system to go with. In that case, you can determine the best action plan by considering your timeline, budget, and the characteristics of the protein you need.
With many platforms and supporting labs, you can be assured of the highest possible product purity, minimum risk of contamination, and quickest turnaround time through our recombinant protein expression services.
Each system has its dedicated platform and distinct quality control criteria. Each platform is overseen by competent team leaders who ensure that the proteins they produce meet our customers' requirements.
Our knowledge is unparalleled because we have developed numerous proteins, over 31,000 ELISA kits, and more than 32,000 bioreagents, with devoted teams working on different systems.
Conclusion
Even though it is feasible to create recombinant proteins on-site, buying them from a third party might save researchers a lot of time and money. Furthermore, a supplier who can point to a successful track record of recombinant protein synthesis may possess the necessary skills to help with requests for protein engineering or scale-up.
Additional benefits of outsourcing the manufacture of recombinant proteins include improved uniformity and repeatability, the certainty that expression occurred in a setting subject to strict quality control, and the likelihood of stable cell line formation, if necessary.
By leveraging our services for protein expression and antibody sequencing services, you will have access to the superior reagents and technologies in our comprehensive inventory. Our hardworking group of experts is always ready to lend a hand at each step, and they will collaborate with you to make sure you meet all the requirements of your project.