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2016 ; 1374
(1
): 68-77
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Zebrafish as a model for acetylcholinesterase-inhibiting organophosphorus agent
exposure and oxime reactivation
#MMPMID27123828
Koenig JA
; Dao TL
; Kan RK
; Shih TM
Ann N Y Acad Sci
2016[Jun]; 1374
(1
): 68-77
PMID27123828
show ga
The current research progression efforts for investigating novel treatments for
exposure to organophosphorus (OP) compounds that inhibit acetylcholinesterase
(AChE), including pesticides and chemical warfare nerve agents (CWNAs), rely
solely on in vitro cell assays and in vivo rodent models. The zebrafish (Danio
rerio) is a popular, well-established vertebrate model in biomedical research
that offers high-throughput capabilities and genetic manipulation not readily
available with rodents. A number of research studies have investigated the
effects of subacute developmental exposure to OP pesticides in zebrafish,
observing detrimental effects on gross morphology, neuronal development, and
behavior. Few studies, however, have utilized this model to evaluate treatments,
such as oxime reactivators, anticholinergics, or anticonvulsants, following acute
exposure. Preliminary work has investigated the effects of CWNA exposure. The
results clearly demonstrated relative toxicity and oxime efficacy similar to that
reported for the rodent model. This review surveys the current literature
utilizing zebrafish as a model for OP exposure and highlights its potential use
as a high-throughput system for evaluating AChE reactivator antidotal treatments
to acute pesticide and CWNA exposure.