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Alterations in the rabbit lymphoid tissue after bendiocarb administration
Eva Petrovova1, David Mazensky, Lenka Luptakova
1Institute of Anatomy, University of Veterinary Medicine and Pharmacy, Kosice, Slovak Republic.
Summary
Bendiocarb pesticide exposure altered small intestine structure and lymph node composition in rabbits. This pesticide may impact immune function, potentially increasing susceptibility to diseases like Toxoplasma gondii.
Area of Science:
- Veterinary Pathology
- Immunotoxicology
- Parasitology
Background:
- Pesticides can suppress immune systems, increasing disease susceptibility.
- Bendiocarb is a carbamate pesticide with potential health implications.
- Toxoplasma gondii is a common parasite causing severe illness in vulnerable populations.
Purpose of the Study:
- To investigate the effects of bendiocarb on rabbit small intestine and lymph node structure.
- To assess potential immunomodulatory impacts of bendiocarb exposure.
- To detect Toxoplasma gondii in rabbit brain samples post-pesticide exposure.
Main Methods:
- Histological examination of enterocyte height, crypt diameter, and mucosal lymphoid tissue.
- Lymph node analysis including relative volume of medulla and cortex, and lymphocyte characteristics.
- DNA isolation and Polymerase Chain Reaction (PCR) for Toxoplasma gondii detection.
Main Results:
- Bendiocarb increased enterocyte height and crypt diameter, while reducing lamina propria cells.
- Lymph node changes included increased medulla volume and altered lymphocyte size and number.
- Toxoplasma gondii DNA was detected in 10% of rabbit brain samples using real-time PCR.
Conclusions:
- Bendiocarb exposure induces significant structural changes in the rabbit small intestine and lymph nodes.
- These alterations suggest a potential immunosuppressive effect of bendiocarb.
- The detection of Toxoplasma gondii highlights the need for further research on pesticide-parasite interactions.
