Abstract:
:Ethanol alters the homeostasis between excitatory and inhibitory neurotransmitters and its intoxication reveals adenosine as responsible to modify several responses including signal transduction. Zebrafish has been recently investigated for knowledge the prolonged effect of ethanol on behavioral and biochemical parameters. The aim of this study was to evaluate the soluble and membrane adenosine deaminase activities and gene expression in zebrafish brain. Animals were exposed to 0.5% ethanol for 7, 14, and 28days. There were no significant changes in ADA activity from soluble fraction after all treatments. However, we verified a decrease of ADA activity in membrane fraction after 28days (44%) of ethanol exposure. ADA1 was not altered whereas mRNA transcript levels for ADAL presented an increase after 28days of ethanol exposure (34%). ADA2-1 showed a decrease (26%) followed by an increase (17%) of transcripts after 14 and 28days of ethanol exposure, respectively. However, ADA2-1 truncated alternative splice isoform (ADA2-1/T) demonstrated a reduction after 28days (20%). ADA2-2 was decreased (22%) followed by an increase (109%) of transcripts after 14 and 18days of ethanol exposure, respectively. Altogether, the purine catabolism promoted by ADA may be an important target of the chronic toxicity induced for ethanol.
journal_name
Neurotoxicol Teratoljournal_title
Neurotoxicology and teratologyauthors
Rico EP,Rosemberg DB,Berteli JFA,da Silveira Langoni A,Souto AA,Bogo MR,Bonan CD,Souza DOdoi
10.1016/j.ntt.2017.11.001subject
Has Abstractpub_date
2018-01-01 00:00:00pages
14-18eissn
0892-0362issn
1872-9738pii
S0892-0362(17)30065-Xjournal_volume
65pub_type
杂志文章abstract::Previous studies have indicated that prenatal ethanol (EtOH) exposure alters developing catecholamine (CA) systems and acute sensitivity to the locomotor stimulant effects of EtOH. The purpose of this study was to examine whether prenatal EtOH exposure influences the effects of the direct dopamine (DA) agonist apomorp...
journal_title:Neurotoxicology and teratology
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journal_title:Neurotoxicology and teratology
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journal_title:Neurotoxicology and teratology
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journal_title:Neurotoxicology and teratology
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journal_title:Neurotoxicology and teratology
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journal_title:Neurotoxicology and teratology
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journal_title:Neurotoxicology and teratology
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journal_title:Neurotoxicology and teratology
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doi:10.1016/j.ntt.2014.02.001
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journal_title:Neurotoxicology and teratology
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journal_title:Neurotoxicology and teratology
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journal_title:Neurotoxicology and teratology
pub_type: 杂志文章
doi:10.1016/0892-0362(89)90058-5
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journal_title:Neurotoxicology and teratology
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journal_title:Neurotoxicology and teratology
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journal_title:Neurotoxicology and teratology
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pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Neurotoxicology and teratology
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journal_title:Neurotoxicology and teratology
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journal_title:Neurotoxicology and teratology
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abstract::Researchers in the Netherlands have reported that the associations of prenatal polychlorinated biphenyl (PCB) exposure with poorer cognitive performance in childhood are generally stronger and statistically significant only among non-breast-fed children. This paper reports a similar pattern of greater vulnerability am...
journal_title:Neurotoxicology and teratology
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journal_title:Neurotoxicology and teratology
pub_type: 杂志文章
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