| Journal: |
Afro-Egyptian Journal of Infectious and Endemic Diseases
Zagazig university
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| Abstract: |
Background and study aim: Toxoplasma gondii (T. gondii) is a worldwide distributed
obligate intracellular protozoan. Oxidative stress is the main mechanism of the host's defense
against protozoan infection. It has an essential role throughout Toxoplasma infection in the
host and the parasite and is proposed to participate in the mechanism of neuropathology and
neurodegeneration. At present, treatment of toxoplasmosis is not optimal. The current work
aimed to assess the therapeutic and antioxidant indices of Lepidium sativum seeds extract
(LSSE), eucalyptus leaf extract, olive leaf extract (OLE), and Resveratrol (RSV)against
experimental toxoplasmosis. Patients and Methods: 176 male Swiss albino mice were
divided into 11 groups. Animals were sacrificed 8 weeks post infection. The efficacy of
tested drugs was evaluated using parasitological, biochemical, oxidants/ antioxidants
parameters, total antioxidant capacity, and cytokines gene expression. Results: Natural plants
(OLE, LSSE, Eucalyptus) and RSV showed anti toxoplasma effect via reducing the brain
cysts count, hepato-renal protective activity through reducing ALT, AST, urea, and
creatinine as well as a significant antioxidant potential through increasing levels of TAC,
GSH, catalase, and decreasing levels of MDA and NO either when used as a monotherapy or
combined with pyrimethamine and sulfadiazine. Additionally, olive leaf extract showed an
anti-inflammatory effect through decreasing the pro inflammatory cytokine IL1β besides
increasing the anti-inflammatory cytokine IL-10. Conclusion: In conclusion, natural plants
mainly olive leaf extract and Lepidium sativum can be promising sources for anti
Toxoplasma medications.
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