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DNA Vaccines, image, When compared with more-established methods, DNA…
DNA Vaccines
Para4
Because of the advantages of DNA vaccines, their release to the public is highly anticipated. So far, in clinical trials with human patients, DNA vaccines have shown mixed results.
They are not effective enough it is worthwhile to note, however, that the technology for improving the vaccines’ efficacy has advanced by leaps and bounds since the 1990s
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Para3
After the DNA vaccine is injected into
the body, it accomplishes two goals
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building a potent
humoral, or antibody, response
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Neither attenuated nor killed pathogens are involved, nor are pathogen subunits isolated
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To create a DNA vaccine, scientists first isolate a gene from the target pathogen. They then splice the viral gene into a double-stranded DNA vector
Once the plasmid is established, the vaccine is ready to be injected.
In some cases, plasmid is layered on the outside of gold beads or particles.
**scientists are also attempting to convert the DNA vaccine into a
the liquid form that could be used as a nasal spray
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When compared with more-established methods, DNA vaccines have an altogether different approach.
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EX B: 4. because there is no risk of infection, contrary to attenuated vaccines; they elicit both humoral and cell-mediated immunity