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Plos One : Behavioral and Metabolic Effects of the Atypical Antipsychotic Ziprasidone on the Nematode Caenorhabditis Elegans, Volume 8

By Yamanishi, Yoshihiro

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Book Id: WPLBN0003944509
Format Type: PDF eBook :
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Reproduction Date: 2015

Title: Plos One : Behavioral and Metabolic Effects of the Atypical Antipsychotic Ziprasidone on the Nematode Caenorhabditis Elegans, Volume 8  
Author: Yamanishi, Yoshihiro
Volume: Volume 8
Language: English
Subject: Journals, Science, Medical Science
Collections: Periodicals: Journal and Magazine Collection (Contemporary)
Historic
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Publisher: Plos

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Yamanishi, Y. (n.d.). Plos One : Behavioral and Metabolic Effects of the Atypical Antipsychotic Ziprasidone on the Nematode Caenorhabditis Elegans, Volume 8. Retrieved from http://netlibrary.net/


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Description : Atypical antipsychotics are associated with metabolic syndrome, primarily associated with weight gain. The effects of Ziprasidone, an atypical antipsychotic, on metabolic syndrome has yet to be evaluated. Here in, we evaluated lipid accumulation and behavioral changes in a new experimental model, the nematode Caenorhabditis elegans (C. elegans). Behavioral parameters in the worms were evaluated 24 h after Ziprasidone treatment. Subsequently, lipid accumulation was examined using Nile red, LipidTox green and BODIPY labeling. Ziprasidone at 40 μM for 24 h effectively decreased the fluorescence labeling of all markers in intestinal cells of C. elegans compared to control (0.16% dimethyl sulfoxide). Ziprasidone did not alter behaviors related to energetic balance, such as pharynx pumping, defecation cycles and movement. There was, however, a reduction in egg-production, egg-laying and body-length in nematodes exposed to Ziprasidone without any changes in the progression of larval stages. The serotoninergic pathway did not appear to modulate Ziprasidone’s effects on Nile red fluorescence. Additionally, Ziprasidone did not alter lipid accumulation in daf-16 or crh-1 deletion mutants (orthologous of the transcription factors DAF-16 and CREB, respectively). These results suggest that Ziprasidone alters reproductive behavior, morphology and lipid reserves in the intestinal cells of C. elegans. Our results highlight that the DAF-16 and CREB transcription factors are essential for Ziprasidone-induced fat store reduction.

 

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