Abstract:
:The effects of acute prenatal exposure to ethanol on the postnatal optic nerve have been examined in a C57B1/6J mouse model. Pregnant mice were exposed by intraperitoneal injection to ethanol (25% ethanol, each dose at 0.015 ml/g separated by 4 h), or to saline on the 8th gestational day and the optic nerve examined at P15. There was a significant difference in the cross-sectional areas of optic nerves from ethanol-exposed mice (Mean +/- SD: 32,800 +/- 11,000 microns2) compared to control nerves (Mean +/- SD: 52,100 +/- 8,900 microns2). This difference was mainly the result of a reduction in the number of optic nerve axons (ethanol group, Mean +/- SD: 30,655 +/- 4,795; control group, Mean +/- SD: 45,791 +/- 5,215) but there was also deficient myelination (ethanol group, mean of 15% myelinated axons compared to 34% for controls) in the ethanol-exposed optic nerves. There were no significant differences between experimental and control animals in the neuronal populations of the dorsal lateral geniculate nucleus and superior colliculus. This suggests that the axonal deficit is due to direct retinal damage, rather than increased postnatal axon loss arising from retinorecipient nuclei damage.
journal_name
Neurotoxicol Teratoljournal_title
Neurotoxicology and teratologyauthors
Ashwell KW,Zhang LLdoi
10.1016/0892-0362(94)90113-9subject
Has Abstractpub_date
1994-03-01 00:00:00pages
161-7issue
2eissn
0892-0362issn
1872-9738pii
0892-0362(94)90113-9journal_volume
16pub_type
杂志文章abstract:BACKGROUND:Prenatal tobacco exposure is a risk factor for the development of externalizing behaviors and is associated with several adverse health outcomes. Because pregnancy smoking is a complex behavior with both daily fluctuations and changes over the course of pregnancy, quantifying tobacco exposure is a significan...
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
pub_type: 杂志文章
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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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更新日期:2007-03-01 00:00:00
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journal_title:Neurotoxicology and teratology
pub_type: 杂志文章,评审
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更新日期:2008-07-01 00:00:00
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journal_title:Neurotoxicology and teratology
pub_type: 杂志文章,评审
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更新日期:2017-01-01 00:00:00
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journal_title:Neurotoxicology and teratology
pub_type: 杂志文章
doi:10.1016/j.ntt.2012.07.003
更新日期:2013-03-01 00:00:00
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journal_title:Neurotoxicology and teratology
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doi:10.1016/s0892-0362(01)00182-9
更新日期:2001-11-01 00:00:00
abstract::Neurobehavioral studies often employ test batteries and confront issues of multiple testing and comparability between batteries. We have organized our battery of 12 tests into areas of neurobehavioral function to reduce the number of reported results, provide greater statistical power, and improve interpretability of ...
journal_title:Neurotoxicology and teratology
pub_type: 临床试验,杂志文章
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更新日期:1996-07-01 00:00:00
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journal_title:Neurotoxicology and teratology
pub_type: 杂志文章
doi:10.1016/s0892-0362(02)00317-3
更新日期:2002-11-01 00:00:00
abstract::We examined the distribution of cocaine and its metabolites benzoylecgonine (BE) and norcocaine (NOR) in pregnant Sprague-Dawley rats and fetuses following twice-daily subcutaneous (s.c.) injections of 20 mg/kg cocaine HCl from gestational day (GD) 8 through GD 20. On GD 21, the animals received a single injection and...
journal_title:Neurotoxicology and teratology
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doi:10.1016/s0892-0362(99)00037-9
更新日期:1999-11-01 00:00:00
abstract::Human exposure to organophosphate flame retardants (OPFRs) is widespread, including pregnant women and young children with whom developmental neurotoxic risk is a concern. Given similarities of OPFRs to organophosphate (OP) pesticides, research into the possible neurotoxic impacts of developmental OPFR exposure has be...
journal_title:Neurotoxicology and teratology
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更新日期:2018-01-01 00:00:00
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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/j.ntt.2012.09.001
更新日期:2012-11-01 00:00:00
abstract::Pregnant Long-Evans rats were fed a liquid diet containing either 35% ethanol-derived calories (group E) or were pair-fed to group E dams using the same diet with an equivalent amount of sucrose-derived calories (group PFC) on days 7-18 of gestation. At birth half the litters were fostered to other dams of the same tr...
journal_title:Neurotoxicology and teratology
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abstract::The present study was designed to investigate the in vivo effects of monosodium glutamate (MSG) and aspartame (ASM) individually and in combination on the cognitive behavior and biochemical parameters like neurotransmitters and oxidative stress indices in the brain tissue of mice. Forty male Swiss albino mice were ran...
journal_title:Neurotoxicology and teratology
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更新日期:2014-03-01 00:00:00
abstract::In the literature on the effects of early exposure to neurotoxic agents on infant and child development, considerable attention has been devoted to two important issues--ascertainment of exposure and spurious correlation. In this paper, we review these research challenges and focus on three additional issues that, in ...
journal_title:Neurotoxicology and teratology
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abstract::The potential for developmental neurotoxicity (DNT) of environmental chemicals may be evaluated using specific test guidelines from the US Environmental Protection Agency or the Organisation for Economic Cooperation and Development (OECD). These guidelines generate neurobehavioral, neuropathological, and morphometric ...
journal_title:Neurotoxicology and teratology
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更新日期:2017-09-01 00:00:00
abstract::This study describes the effect of gentamicin, an aminoglycoside antibiotic on iminodipropionitrile (IDPN)-induced abnormal neurobehavioral syndrome in female Sprague-Dawley rats. The animals were exposed to IDPN in the dose of 100 mg/kg/day intraperitoneally for 7 days. Gentamicin (GM) was administered intraperitonea...
journal_title:Neurotoxicology and teratology
pub_type: 杂志文章
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更新日期:2000-03-01 00:00:00
abstract::In this study we used a rat model of graded perinatal asphyxia to study the long-term consequences of this manipulation on rat maternal behavior at adulthood. Rats were delivered by cesarean (C) section and the pups, still in the uterus horns, were placed into a water bath at 37 degrees C for periods of 0 (controls) o...
journal_title:Neurotoxicology and teratology
pub_type: 杂志文章
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abstract::Brain-derived neurotrophic factor (BDNF) is a neurotrophin critical for many developmental and physiological aspects of CNS function. Severe hypothyroidism in the early neonatal period results in developmental and cognitive impairments and reductions in mRNA and protein expression of BDNF in a number of brain regions....
journal_title:Neurotoxicology and teratology
pub_type: 杂志文章
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更新日期:2011-07-01 00:00:00