Virus-Like Particles (VLPs) are self-assembling structures that lack the viral genetic material. Therefore they are safer and more immunogenic than other forms of vaccines. The Hepatitis B core (HBc) VLPs are a novel mechanism through which delivery of DNA-based human vaccines are plausible. Production of VLPs require recombinant, rapidly replicating, plant-based systems such as the geminiviral replicon system.
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