SWS/NTE-dependent neuropathy is the model system to study neurodegeneration

  • N. P. Matiytsiv
DOI: https://doi.org/10.7124/FEEO.v26.1243

Abstract

Today there is many described neurodegenerative D. melanogaster mutants, which characterized by development of degenerative changes in brain. One of them are a swiss cheese (sws) gene mutants. Mutations in this gene causes apoptosis of neurons and hyperwrapping of their somas by the glial cells, reducing of life expectancy and decrease of locomotion. The sws gene is the ortholog of mammal’s neuropathy target esterase (NTE / PNPLA6). NTE is s neuronal, transmembrane protein, that possesses serinesterase activity, and can be the target for neurotoxic organophosphorus compounds activity. Mutations in PNPLA6 gene cause number hereditary neurodegenerative disorders, which nowadays are incurable. The search for therapeutic agents require use of model objects because researches on humans have both methodical and ethical limitations. During two last decades D. melanogaster has proven itself as a good model for study of neurodegenerative diseases. In this review, we described general characteristics of D. melanogaster gene sws,
consequences of its mutations and provided evidences of high conservatism of gene product.

Keywords: gene swiss cheese, neuropathy target esterase, neurodegeneration, brain, life span.

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