Abstract：
:This study reports the effects of low level developmental Pb exposure on specific brain regions like hippocampus, cerebellum and cerebral hemispheres of antioxidant enzyme activities. Wistar dams were exposed to 50 ppm, 100 ppm and 500 ppm of Pb acetate in drinking water during pregnancy and lactation (gestation day 6 through PND 21 (post natal day) and activities of superoxide dismutase (SOD), glutathione peroxidase (GSH-Px) and glutathione reductase (GR) were determined in the hippocampus, cerebellum and cerebral hemispheres of pups during treatment period (PND 7, 14, and 21 days) and also during withdrawl period (PND 35, 45, 60 and 90 days). During treatment period, SOD activity significantly (p < 0.05) decreased in all regions of all the treated groups with maximum decrease in 500 ppm treated group of 21 days, while GSH-Px and GR activities increased with maximum increase in 21 days aged 500 ppm group. During withdrawl period, the activities of all enzymes were significantly (p < 0.05) reversed. Thus the perinatal exposure of dams to variable dosages of low level lead results in characteristic neurochemical alterations in rat brain regions due to impaired antioxidants function.
journal_name
J Environ Bioljournal_title
Journal of environmental biologyauthors
Babu MS,Gopal NV,Reddy KPsubject
Has Abstractpub_date
2007-01-01 00:00:00pages
21-7issue
1eissn
0254-8704issn
2394-0379journal_volume
28pub_type
杂志文章abstract：:The present study examined a total of 446 samples of Ompok bimaculatus and describes the condition factor, gonadosomatic index, length-length relationships, sex ratio, size at first maturity. The regression parameter 'b' ranged from 3.06 to 3.76 (r2 > 0.90). During the pre-monsoon, the allometric coefficient 'b' of th...
journal_title：Journal of environmental biology
pub_type： 杂志文章
doi：
更新日期：2013-11-01 00:00:00
abstract：:Local environment (temperature and relative humidity) affects reproductive biology in Pyrostegia venusta (Bignoniaceae) growing at Agra and Mysore. At Agra, the species flowers profusely during December to March, but fails to bear fruits. At Mysore, on the other hand it flowers during November to February and produces...
journal_title：Journal of environmental biology
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更新日期：2009-03-01 00:00:00
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journal_title：Journal of environmental biology
pub_type： 杂志文章
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更新日期：2016-09-01 00:00:00
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journal_title：Journal of environmental biology
pub_type： 杂志文章
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更新日期：2013-07-01 00:00:00
abstract：:An important role of oxidative stress for the development of vascular and neurological complications has encouraged us to undertake a study to assess the oxidative stress induced nerve conduction deficits among cigarette smokers. Eighteen regular male cigarette smokers and twenty nine male non-smokers were diagnosed f...
journal_title：Journal of environmental biology
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doi：
更新日期：2011-01-01 00:00:00
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journal_title：Journal of environmental biology
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journal_title：Journal of environmental biology
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journal_title：Journal of environmental biology
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journal_title：Journal of environmental biology
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更新日期：2007-04-01 00:00:00
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journal_title：Journal of environmental biology
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更新日期：2007-10-01 00:00:00
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journal_title：Journal of environmental biology
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更新日期：2004-01-01 00:00:00
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journal_title：Journal of environmental biology
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更新日期：2013-07-01 00:00:00
abstract：:The effect of mercury (Hg) on the biochemical parameters of Lycopersicon esculentum Mill leaf was studied. Application of mercuric chloride in varying concentrations (0.5, 1.0, 1.5 and 2.0 mM HgCl2 kg(-1) sand) caused significant reduction that went up to 89% and 72% chlorophyll a and chlorophyll b contents respective...
journal_title：Journal of environmental biology
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doi：
更新日期：2007-04-01 00:00:00
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journal_title：Journal of environmental biology
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更新日期：2014-11-01 00:00:00
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journal_title：Journal of environmental biology
pub_type： 杂志文章
doi：
更新日期：2012-11-01 00:00:00
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journal_title：Journal of environmental biology
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更新日期：2011-05-01 00:00:00
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journal_title：Journal of environmental biology
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更新日期：2005-10-01 00:00:00
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journal_title：Journal of environmental biology
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更新日期：2015-09-01 00:00:00
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journal_title：Journal of environmental biology
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更新日期：2011-03-01 00:00:00
abstract：:Raw pesticide import data from 1977 to 2009 obtained from the Ministry of Agriculture in Costa Rica were processed and analyzed. The quantity of specific active ingredients (a.i.), and chemical groups were calculated by year and presented in ten-year periods. Three sets of environmental hazard indicators were construc...
journal_title：Journal of environmental biology
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更新日期：2014-01-01 00:00:00
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journal_title：Journal of environmental biology
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journal_title：Journal of environmental biology
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更新日期：2006-01-01 00:00:00
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journal_title：Journal of environmental biology
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更新日期：2013-03-01 00:00:00
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journal_title：Journal of environmental biology
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更新日期：2004-10-01 00:00:00
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journal_title：Journal of environmental biology
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更新日期：2010-01-01 00:00:00
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journal_title：Journal of environmental biology
pub_type： 杂志文章
doi：
更新日期：2015-07-01 00:00:00
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journal_title：Journal of environmental biology
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更新日期：2005-06-01 00:00:00
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journal_title：Journal of environmental biology
pub_type： 杂志文章
doi：
更新日期：2005-01-01 00:00:00
abstract：:Genetic variation was assessed utilizing intron-flanking EST-specific markers among genotypes of Artemesia annua collected from two sampling sites viz. Nubra (9,600 ft) and Leh (11,500 ft) valleys of the trans-Himalayan region, Ladakh, India. The available ESTs (3,60,906) sequences of A. annua were aligned with the ge...
journal_title：Journal of environmental biology
pub_type： 杂志文章
doi：
更新日期：2012-11-01 00:00:00
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journal_title：Journal of environmental biology
pub_type： 杂志文章
doi：
更新日期：2010-01-01 00:00:00
