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http://purl.uniprot.org/citations/28363787http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/28363787http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/28363787http://www.w3.org/2000/01/rdf-schema#comment"Little is known about the biological effect of non-planar polycyclic aromatic hydrocarbons (PAH) such as corannulene on organisms. In this study, we compared the effect of corannulene (non-planar PAH) and graphene (planar PAH) on embryonic development and sleep/wake behaviors of larval zebrafish. First, the toxicity of graded doses of corannulene (1, 10, and 50μg/mL) was tested in developing zebrafish embryos. Corannulene showed minimal developmental toxicity only induced an epiboly delay. Further, a significant decrease in locomotion/increase in sleep was observed in larvae treated with the highest dose (50μg/mL) of corannulene while no significant locomotion alterations were induced by graphene. Finally, the effect of corannulene or graphene on the hypocretin (hcrt) system and sleep/wake regulators such as hcrt, hcrt G-protein coupled receptor (hcrtr), and arylalkylamine N-acetyltransferase-2 (aanat2) was evaluated. Corannulene increased sleep and reduced locomotor activity and the expression of hcrt and hcrtr mRNA while graphene did not obviously disturb the sleep behavior and gene expression patterns. These results suggest that the corannulene has the potential to cause hypnosis-like behavior in larvae and provides a fundamental comparative understanding of the effects of corannulene and graphene on biology systems.

Statement of significance

Little is known about the biological effect of non-planar polycyclic aromatic hydrocarbons (PAH) such as corannulene on organisms. Here, we compare the effect of corannulene (no-planar PAH) and graphene (planar PAH) on embryonic development and sleep/wake behaviors of larval zebrafish. And we aim to investigate the effect of curvature on biological system. First, toxicity of corannulene over the range of doses (1μg/mL, 10μg/mL and 50μg/mL) was tested in developing zebrafish embryos. Corannulene has minimal developmental toxicity, only incurred epiboly delay. Subsequently, a significant decrease in locomotion/increase in sleep at the highest dose (50μg/mL) was detected in corannulene treated larvae while no significant locomotion alterations was induced by graphene. Finally, the impact of corannulene or graphene on hypocretin system and sleep/wake regulator such as hcrt, hcrtr and aanat2 was evaluated. Corannulene increased sleep, reduced locomotor activity and the expression of hcrt and hcrtr mRNA while graphene did not obviously disturb the sleep behaviors and gene expression patterns. This result may indicate the potential effect of corannulene to cause hypnosia-like behavior in larvae and provide the fundamental understanding for the biological effect of curvature on biology system."xsd:string
http://purl.uniprot.org/citations/28363787http://purl.org/dc/terms/identifier"doi:10.1016/j.actbio.2017.03.047"xsd:string
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/author"Chen D."xsd:string
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/author"Chen D."xsd:string
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/author"Feng D."xsd:string
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/author"Feng D."xsd:string
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/author"Feng X."xsd:string
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/author"Feng X."xsd:string
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/author"Li X."xsd:string
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/author"Li X."xsd:string
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/author"Zhang Y."xsd:string
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/author"Zhang Y."xsd:string
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/author"Zhang Z."xsd:string
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/author"Zhang Z."xsd:string
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/author"Zhang S."xsd:string
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/author"Zhang S."xsd:string
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/author"Zhao X."xsd:string
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/author"Zhao X."xsd:string
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/author"Li X.'"xsd:string
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/author"Li X.'"xsd:string
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/date"2017"xsd:gYear
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/date"2017"xsd:gYear
http://purl.uniprot.org/citations/28363787http://purl.uniprot.org/core/name"Acta Biomater."xsd:string