Mayaro Virus-Like Particles - Vaccine Lab / Alfa Chemistry

Product Overview

Mayaro Virus-Like Particles (MAYV VLPs) are recombinant viral nanoparticles designed to mimic the structural organization of native Mayaro virus while lacking viral genomic RNA and non-structural proteins. These particles are produced in mammalian HEK293 cells through transient expression of the viral structural proteins E1, E2, and Capsid, which self-assemble into virus-like particles displaying native viral surface antigens.

Because VLPs do not contain viral genetic material, they are replication-incompetent and non-infectious. At the same time, the envelope glycoproteins maintain their native conformation, enabling accurate presentation of immunologically relevant epitopes. This makes MAYV VLPs a reliable and biologically relevant antigen source for virology and immunology research.

MAYV VLPs are particularly useful for the development of serological assays designed to detect or differentiate infections caused by closely related alphaviruses. Due to the antigenic similarity between Mayaro virus and other arboviruses—especially Chikungunya virus—well-characterized viral antigens are essential for improving diagnostic specificity. VLP-based reagents provide a consistent and structurally authentic platform for such studies.

Product Features

Compared with conventional viral antigens, virus-like particles provide several advantages:

Native-like viral architecture closely resembling authentic virions

Correct presentation of conformational epitopes on E1/E2 glycoproteins

Genome-free and replication-deficient for improved laboratory safety

High batch-to-batch consistency suitable for assay development

Mammalian expression system supporting proper protein folding and post-translational modification

Biological Background

Mayaro virus (MAYV) is an arthropod-borne virus belonging to the Alphavirus genus of the Togaviridae family. The virus contains a positive-sense single-stranded RNA genome encoding non-structural proteins responsible for viral replication as well as structural proteins involved in particle assembly.

The mature virion is characterized by surface spikes composed of E1–E2 glycoprotein heterodimers. These envelope proteins play key roles during infection: E2 mediates host cell attachment, while E1 facilitates membrane fusion and viral entry. Because these glycoproteins are major targets of neutralizing antibodies, they represent important antigens for immunological studies and vaccine research.

In humans, Mayaro virus infection typically causes an acute febrile illness resembling dengue-like disease. Common symptoms include fever, headache, rash, myalgia, and severe joint pain. Although the infection is generally self-limiting, persistent arthralgia can occur in some patients.

Historically, MAYV transmission has been associated with tropical regions of Central and South America and is primarily linked to forest-dwelling mosquito vectors such as Haemagogus species. However, the potential involvement of Aedes mosquitoes has raised concerns about possible geographic expansion and urban transmission. Consequently, interest in surveillance tools, diagnostic reagents, and vaccine strategies targeting MAYV continues to grow.

Currently, no licensed vaccines or specific antiviral treatments are available for Mayaro virus infection, highlighting the importance of reliable research reagents such as virus-like particles.

Applications

Mayaro Virus-Like Particles from Alfa Chemistry support a wide range of research and development applications, including:

Serological assay development (ELISA, EIA, CLIA)

Arbovirus diagnostic research

Antigenicity and immunogenicity studies

Vaccine antigen screening and evaluation

Neutralizing antibody detection assays

Cross-reactivity analysis among alphaviruses

Our products and services are for research use only and cannot be used for any clinical purposes.

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