Insights on the age dependent neurodegeneration induced by Monocrotophos, (an organophosphorous insecticide) in Caenorhabditis elegans fed high glucose: Evidence in wild and transgenic strains.

08:00 EDT 12th May 2018 | BioPortfolio

Summary of "Insights on the age dependent neurodegeneration induced by Monocrotophos, (an organophosphorous insecticide) in Caenorhabditis elegans fed high glucose: Evidence in wild and transgenic strains."

The higher susceptibility of high glucose fed C. elegans to Monocrotophos (MCP, an organophosphorus insecticide) - induced dopaminergic (DA) neuronal degeneration was recently demonstrated. Employing this acute exposure model, the impact of MCP on DA degeneration among worms of two age groups (8 and 13 d old) fed control (CO) and high glucose (GF) diet with specific focus on phenotypic alterations, oxidative impairments and associated molecular perturbations employing both wild (N2) and transgenic strains(BZ555 and NL5901) was investigated. In general, 13 d worms exhibited higher susceptibility to MCP intoxication compared to 8 d old worms. Further, MCP-exposure caused an enhanced degree of DA degeneration among glucose fed (GF) worms as evidenced by lower chemotaxis index, reduced long-term memory and increased nonanone repulsion. Biochemical analysis of 13 d GF worms also revealed a significant increase in ROS, protein carbonyls and reduced ADP/ATP ratio. Interestingly, marked increase in degeneration of dopaminergic neurons and increased in α-synuclein content was evident among 13 d GF worms exposed to MCP. Significant alterations in the mRNA expression levels of daf-2, age-1, sir 2.1 and aak-2 among 13 d GF worms was evident. Collectively these findings suggest that high intake of glucose diet aggravates MCP associated dopaminergic neuronal degeneration and the impact of increasing age under such a condition. Moreover it provides an experimental paradigm to explore the molecular targets and mechanism/s underlying the possible relationship between insecticide exposure-associated dopaminergic degeneration in humans under hyperglycemic conditions.


Journal Details

This article was published in the following journal.

Name: Comparative biochemistry and physiology. Toxicology & pharmacology : CBP
ISSN: 1532-0456


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Medical and Biotech [MESH] Definitions

An organophosphate insecticide that inhibits monoamine oxidase and acetylcholinesterase. It has been shown to be genotoxic.

A genus of small free-living nematodes. Two species, CAENORHABDITIS ELEGANS and C. briggsae are much used in studies of genetics, development, aging, muscle chemistry, and neuroanatomy.

Proteins from the nematode species CAENORHABDITIS ELEGANS. The proteins from this species are the subject of scientific interest in the area of multicellular organism MORPHOGENESIS.

Abnormally high temperature intentionally induced in living things regionally or whole body. It is most often induced by radiation (heat waves, infra-red), ultrasound, or drugs.

Light weight meshwork fabric made of cotton, silk, polyester (nylon), or other material impregnated with insecticide, having openings too small to allow entry of mosquitoes or other insects, thereby offering protection against insect bite and insect-borne diseases.

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