Modulation of benzene toxicity by an interferon inducer (6MFA)
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Abstract:
Repeated intraperitoneal administration of benzene (1.0 ml/kg body wt) for 3 days produced leucopenia, lymphocytopenia and an increased number of nucleated cells in the bone marrow and significantly decreased organ weights of thymus (P less than 0.001) and spleen (P less than 0.001) in female albino rats. Iron content, lipid peroxidation and superoxide dismutase activity of the liver and bone marrow were significantly increased as a result of benzene exposure. Prior administration of 6MFA, an interferon inducer with immunomodulating potential, was found to ameliorate some of the adverse effects of benzene as well as restoration of hepatic architecture histologically. Lipid peroxidation and iron content were both normalised, whereas superoxide dismutase activity was further increased and the number of lymphocytes and bone marrow cells returned to normal. Pretreatment of animals with 6MFA was able to enhance the SRBC antibody titre in benzene-treated immunosuppressed animals. The beneficial effects of 6MFA in the amelioration of the acute toxicity of benzene therefore assume certain significance.
Insights
Benzene exposure caused significant toxicity in rats, including reduced organ weights and altered blood cell counts. Pretreatment with 6MFA, an interferon inducer, mitigated these harmful effects and restored normal immune function.
Area of Science:
- Toxicology
- Immunology
- Pharmacology
Background:
- Benzene is a known toxicant affecting hematopoiesis and immune function.
- Acute benzene exposure can lead to significant organ damage and immunosuppression.
Purpose of the Study:
- To investigate the protective effects of 6MFA, an interferon inducer, against acute benzene toxicity in rats.
- To evaluate the impact of 6MFA on hematological parameters, organ weights, oxidative stress markers, and immune response.
Main Methods:
- Female albino rats were administered benzene intraperitoneally.
- Animals were pretreated with 6MFA, an interferon inducer with immunomodulating potential.
- Hematological parameters, organ weights, liver and bone marrow iron content, lipid peroxidation, superoxide dismutase activity, and antibody titers were assessed.
Main Results:
- Benzene exposure caused leucopenia, lymphocytopenia, decreased thymus and spleen weights, and increased oxidative stress markers.
- 6MFA pretreatment ameliorated these effects, normalizing lipid peroxidation and iron content, and restoring lymphocyte and bone marrow cell counts.
- 6MFA also restored hepatic architecture and enhanced antibody production in benzene-treated rats.
Conclusions:
- 6MFA demonstrates significant protective effects against acute benzene toxicity.
- 6MFA exhibits immunomodulatory and restorative properties, highlighting its therapeutic potential in benzene-induced toxicity.