Related Experiment Videos
[Toxoplasma gondii: perspectives for a vaccine]
1Institut für Parasitologie der Veterinärmedizinischen, Medizinischen Fakultät, Universität Bern.
Schweizerische Medizinische Wochenschrift. Supplementum
|January 1, 1995
Summary
Developing a Toxoplasma vaccine is theoretical, aiming to block parasite multiplication or cyst formation. Mouse models show CD8+ T-cells are crucial for controlling Toxoplasma cysts.
Area of Science:
- Parasitology
- Immunology
- Vaccinology
Context:
- No commercial human vaccines exist for parasitic diseases.
- Toxoplasmosis poses risks during pregnancy and to immunocompromised individuals.
Purpose:
- To theoretically discuss a potential Toxoplasma vaccine.
- To explore strategies for inhibiting parasite multiplication or cyst formation.
- To prevent congenital toxoplasmosis and reactivation of infection.
Summary:
- Mouse models indicate CD8+ T-cells are key to controlling Toxoplasma cyst formation.
- Cytotoxic CD8+ lymphocyte function depends on local gamma-interferon and TNF-alpha.
- Il-10 and Il-11 can induce immunosuppression, hindering protective immunity.
Impact:
- A successful vaccine could prevent congenital toxoplasmosis.
- It could also prevent disease reactivation in immunocompromised patients.
- Understanding T-cell responses is vital for vaccine development.