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Related Concept Videos

Gene Therapy00:59

Gene Therapy

Gene therapy is a technique where a gene is inserted into a person’s cells to prevent or treat a serious disease. The added gene may be a healthy version of the gene that is mutated in the patient, or it could be a different gene that inactivates or compensates for the patient’s disease-causing gene. For example, in patients with severe combined immunodeficiency (SCID) due to a mutation in the gene for the enzyme adenosine deaminase, a functioning version of the gene can be inserted. The...
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Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.

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Microinjection Method for Anopheles gambiae Embryos
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Published on: July 7, 2021

Gene gun immunization to combat malaria.

Elke S Bergmann-Leitner1, Wolfgang W Leitner

  • 1Division of Malaria Vaccine Development, United States Military Malaria Vaccine Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA. Elke.BergmannLeitner@us.army.mil

Methods in Molecular Biology (Clifton, N.J.)
|October 30, 2012
PubMed
Summary
This summary is machine-generated.

DNA vaccines delivered via gene gun show promise for preventing malaria infections in preclinical models. This method efficiently tests new vaccine candidates and strategies for combating Plasmodium parasites.

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Area of Science:

  • Immunology
  • Vaccinology
  • Parasitology

Background:

  • DNA immunization using gene guns has shown success against infectious diseases in animal models.
  • Vaccinating against Plasmodium, the protozoan parasite causing malaria, presents challenges due to stage-specific antigens and the need for high antibody titers to prevent liver infection.

Purpose of the Study:

  • To describe procedures for creating and delivering preclinical malaria DNA vaccines via gene gun.
  • To outline methods for in vivo evaluation of these vaccines.
  • To discuss strategies for improving DNA vaccines against malaria.

Main Methods:

  • Gene gun delivery of DNA plasmids for vaccination.
  • Preclinical testing in animal models (mice and macaques).
  • Evaluation of vaccine efficacy against Plasmodium berghei and Plasmodium falciparum.

Main Results:

  • Gene gun vaccination successfully prevented infection with P. berghei in mice.
  • This approach was employed in a macaque model for human P. falciparum.
  • DNA plasmid delivery via gene gun enables efficient testing of novel vaccine candidates and adjuvant strategies.

Conclusions:

  • Gene gun DNA vaccination is a viable and efficient strategy for developing malaria vaccines.
  • This technology facilitates the economic evaluation of new vaccine candidates and strategies.
  • Further research can optimize DNA vaccines against malaria using various approaches.