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Welcome to The Native Antigen Company

World leading infectious disease reagents from the experts

Whether you need cutting-edge reagents for your research or bulk products for manufacturing we can support your needs

Antigens, Antibodies, Immunoassays


We specialise in the development and manufacture of antigens, antibodies and immunoassays for viral and bacterial pathogens. We produce both native and recombinant antigens using our proprietary mammalian system and have decades of experience in bulk and scale production.

Custom and Contract Research Services


We can undertake custom projects to manufacture antigens and other proteins, prepare antibodies and develop immunoassays to support your R&D. Our development laboratories are fully staffed by a team of PhD molecular biologists and development scientists who are able to execute projects as short as a few days, through to long-term programmes of a year or more.

MXRA8 Receptor

Highly Specific Flavivirus NS1 Antibodies

The Native Antigen Company has produced an extensive range of mammalian-expressed NS1 proteins, used to raise highly specific and characterised anti-NS1 antibodies for a variety of research and development applications.

Zika Immunoassay Kit

Assay Development Services

The Native Antigen Company’s assay development team has many years of experience in developing high quality assays for infectious disease and other research applications. With our wealth of experience, we offer end-to-end bespoke development with communication at every step to ensure our clients get the high quality assays they need.

Mammalian-Expressed Proteins

EM Images of our Virus-Like Particles

Here, we present new electron microscopy images for some of our virus-like particles, including Dengue, Mayaro, O’nyong’nyong, Norovirus and Parvovirus VLPs. Click on the button below for more information on these unique reagents.

About The Native Antigen Company

 The Native Antigen Company specialises in the development and manufacture of native and recombinant viral and bacterial antigens, antibodies and immunoassays, as well as bespoke product development and custom manufacturing. The company has decades of experience in producing high-quality proteins with its proprietary mammalian cell expression system to ensure correct glycosylation and proper folding. The Native Antigen Company’s high-quality reagents are widely adopted by leading pharmaceutical, in vitro diagnostic assay manufacturers, and academic groups in cutting-edge vaccine research and serology, where correct folding and glycosylation are vital.

The Immune Evasion Strategies of Lassa Fever Virus

In this blog, we outline the molecular pathogenesis of Lassa viral haemorrhagic fever and introduce our extended range of Lassa Fever virus antigens and antibodies.Viral haemorrhagic fevers Viral haemorrhagic fevers (VHF) are a diverse group of viral illnesses that...

Diphtheria toxin: The nuts and bolts

The Native Antigen Company manufactures high-quality Diphtheria toxin in its native format for a range of applications and is offering a 30% discount on this product for the remainder of 2019. In this blog we explain the structure, mechanism-of-action and applications...

TEM images of our virus-like particles

It's always nice to visualise what you're working with. In this blog, we present new electron microscopy (TEM) images for some of our virus-like particles. For more information on our VLPs, please click on the links below.Why do we use VLPs? Virus-like particles (VLP)...

Endotoxin Testing Services

In this blog, we describe the structure of bacterial endotoxins, how they cause contamination in bioproduction, and introduce our endotoxin testing services for the UK and Europe. What are endotoxins? Endotoxins are small (~10 kDa) molecules of lipopolysacchride...

Diagnosing HIV in resource-limited settings

In this blog, we discuss the need for improved point-of-care (PoC) diagnostics for HIV and present the virus's cellular mechanism to illustrate our new range of HIV antigens and antibodies. HIV in the developed world On June 5th 1981 in Los Angeles, California, 5...

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