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Author: Janis Weeks, Ph.D.

View from the Bench

Microfluidic EPG Recordings From Diverse Nematode Species

The InVivo Biosystem ScreenChip platform was developed for C. elegans, which is a free-living (non-parasitic) species that feeds on bacteria and has both hermaphroditic and male sexes. However, C. elegans represents only one of the estimated 1 million members of the highly diverse phylum Nematoda, of which only ~25,000 species have been described. In addition to free-living species, other nematodes parasitize humans, animals or plants, with significant medical, veterinary and economic consequences. To demonstrate the utility of microfluidic EPG recordings from species beyond C. elegans, we adapted the platform to record from human and animal parasites, male and female members of a dioecious species, and a carnivorous nematode.

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Disease Modeling

Where the Lead Leads: Seeking Mechanisms of Action in C. elegans for Neurotoxic Effects of Lead

Neurotoxin exposure is implicated in the etiology of neurodegenerative diseases including Parkinson’s disease, Alzheimer’s disease and ALS (amyotrophic lateral sclerosis). Traditionally, vertebrate animals such as rodents and fish have been used for experimental work in neurotoxicology. However, researchers are increasingly turning to invertebrates such as the nematode, C. elegans, for a variety of compelling reasons

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