Related Experiment Video

Updated: Aug 20, 2026

Gene-environment Interaction Models to Unmask Susceptibility Mechanisms in Parkinson's Disease
08:09

Gene-environment Interaction Models to Unmask Susceptibility Mechanisms in Parkinson's Disease

Published on: January 7, 2014

Pesticide induced changes in the mouse hepatic microsomal cytochrome P-450-dependent monooxygenase system and other

K M Robacker, A P Kulkarni, E Hodgson

    Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
    |January 1, 1981
    PubMed

    Insights

    This study investigated how pesticides affect liver enzymes in mice. Results show that tested pesticides act as phenobarbital-type inducers, impacting the cytochrome P-450 system.

    Area of Science:

    • Biochemistry
    • Toxicology
    • Pharmacology

    Background:

    • The liver's microsomal cytochrome P-450-dependent monooxygenase system is crucial for metabolizing xenobiotics.
    • Understanding how environmental compounds like pesticides interact with this system is vital for assessing their toxicological impact.

    Purpose of the Study:

    • To evaluate the inductive effects of various pesticides on mouse liver enzymes, particularly the cytochrome P-450 system.
    • To compare the inductive properties of pesticides with known inducers like phenobarbital and 3-methylcholanthrene.

    Main Methods:

    • Mice were treated with different pesticides (chlorinated hydrocarbons, organophosphates, carbamate) and known inducers.
    • Liver microsomes were analyzed for activity of the cytochrome P-450 monooxygenase system and other enzymes.
    • Sodium dodecyl sulfate-polyacrylamide gel electrophoresis was used to examine microsomal proteins.

    Main Results:

    • Pesticides tested demonstrated induction of the phenobarbital type.
    • The effects on the cytochrome P-450-dependent monooxygenase system and associated enzymes were consistent with phenobarbital-like induction.
    • Electrophoretic analysis provided insights into protein changes within the microsomes.

    Conclusions:

    • The tested pesticides function as phenobarbital-type inducers of the mouse liver microsomal enzyme system.
    • This finding has implications for understanding pesticide metabolism and potential toxicological interactions.

    More Related Videos

    Experimental Protocol for Detecting Mitochondrial Function in Hepatocytes Exposed to Organochlorine Pesticides08:39

    Experimental Protocol for Detecting Mitochondrial Function in Hepatocytes Exposed to Organochlorine Pesticides

    Published on: September 16, 2020

    Induction of Drug-Induced, Autoimmune Hepatitis in BALB/c Mice for the Study of Its Pathogenic Mechanisms11:36

    Induction of Drug-Induced, Autoimmune Hepatitis in BALB/c Mice for the Study of Its Pathogenic Mechanisms

    Published on: May 29, 2020

    Related Concept Videos

    Bioactivation and Tissue Toxicity01:25

    Bioactivation and Tissue Toxicity

    Bioactivation is a metabolic process that transforms less reactive substances into highly reactive metabolites, initiating tissue toxicity. This transformation can lead to various toxic effects, including carcinogenesis and teratogenesis. Reactive metabolites are classified into two main types: electrophiles and free radicals.Electrophiles are electron-deficient species and are produced primarily by the enzyme cytochrome P-450 during the metabolism of compounds containing carbon, nitrogen, or...
    Microbial Bioremediation of Pesticides01:28

    Microbial Bioremediation of Pesticides

    Pesticides often feature structurally complex chemical architectures, incorporating halogen groups and multiple aromatic rings. These characteristics confer high chemical stability, rendering many pesticides resistant to natural degradation processes. This resistance poses significant environmental concerns, as persistent pesticide residues can accumulate in ecosystems and affect non-target organisms.Despite the inherent stability of many pesticides, certain microorganisms possess the metabolic...