The effect of developmental exposure to cadmium (Cd) on visual evoked potentials (VEPs) and lipid peroxidation. 1997

P Yargiçoğlu, and A Ağar, and Y Oğuz, and V N Izgüt-Uysal, and U K Sentürk, and G Oner
Akdeniz University, Medical Faculty, Department of Biophysics, Antalya, Turkey.

Pregnant Swiss albino rats were divided into three groups: control (C), gestational exposure of Cd (G-Cd), and gestational/postnatal exposure of Cd (GP-Cd) groups. Control animals received tap water, and the rats of GP-Cd group received Cd as CdC12 in their drinking water during the experimental period. The G-Cd group was given Cd during pregnancy, but given tap water after birth. Twenty-two days after birth, 15 rats (for each group) were taken from their mothers and continued to be treated with Cd (GP-Cd group) or tap water (C and G-Cd groups) for an additional 38 days. On postnatal day (PND) 60, flash visual evoked potentials (FVEPs) were recorded with disc electrodes attached with collodion 0.5 cm in front of and behind bregma. The mean latencies on N1, P2, and P3 were prolonged in the GP-Cd group compared with controls. The mean latency of P3 was also significantly different between G-Cd and GP-Cd groups. P1-N1 and N1-P2 amplitudes of VEPs were significantly decreased in the GP-Cd group compared with control group. N1-P2 amplitude of the G-Cd group was significantly lower than that of the control group. Thiobarbituric acid reactive substances (TBARS) were determined as an indicator of lipid peroxidation. Our data showed that pre- and postnatal Cd treatment caused a significant increase of lipid peroxidation in the brain.

UI MeSH Term Description Entries
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011297 Prenatal Exposure Delayed Effects The consequences of exposing the FETUS in utero to certain factors, such as NUTRITION PHYSIOLOGICAL PHENOMENA; PHYSIOLOGICAL STRESS; DRUGS; RADIATION; and other physical or chemical factors. These consequences are observed later in the offspring after BIRTH. Delayed Effects, Prenatal Exposure,Late Effects, Prenatal Exposure
D011930 Reaction Time The time from the onset of a stimulus until a response is observed. Response Latency,Response Speed,Response Time,Latency, Response,Reaction Times,Response Latencies,Response Times,Speed, Response,Speeds, Response
D002104 Cadmium An element with atomic symbol Cd, atomic number 48, and atomic weight 112.41. It is a metal and ingestion will lead to CADMIUM POISONING.
D005074 Evoked Potentials, Visual The electric response evoked in the cerebral cortex by visual stimulation or stimulation of the visual pathways. Visual Evoked Response,Evoked Potential, Visual,Evoked Response, Visual,Evoked Responses, Visual,Potential, Visual Evoked,Potentials, Visual Evoked,Response, Visual Evoked,Responses, Visual Evoked,Visual Evoked Potential,Visual Evoked Potentials,Visual Evoked Responses
D005260 Female Females
D000704 Analysis of Variance A statistical technique that isolates and assesses the contributions of categorical independent variables to variation in the mean of a continuous dependent variable. ANOVA,Analysis, Variance,Variance Analysis,Analyses, Variance,Variance Analyses
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D015227 Lipid Peroxidation Peroxidase catalyzed oxidation of lipids using hydrogen peroxide as an electron acceptor. Lipid Peroxidations,Peroxidation, Lipid,Peroxidations, Lipid
D017392 Thiobarbituric Acid Reactive Substances Low-molecular-weight end products, probably malondialdehyde, that are formed during the decomposition of lipid peroxidation products. These compounds react with thiobarbituric acid to form a fluorescent red adduct. TBARs

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