NDLI: Protein carbonyls: novel biomarkers of exposure to oxidative stress-inducing pesticides in freshwater fish Channa punctata (Bloch).

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Protein carbonyls: novel biomarkers of exposure to oxidative stress-inducing pesticides in freshwater fish Channa punctata (Bloch).

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Protein carbonyls: novel biomarkers of exposure to oxidative stress-inducing pesticides in freshwater fish Channa punctata (Bloch).

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Parvez, Suhel Raisuddin, Sheikh
Description	Country affiliation: India Author Affiliation: Parvez S ( Klinik für Neurologie, Universität Magdeburg, Leipziger Str. 44, D-39120 Magdeburg, Germany)
Abstract	It has been established in mammalian system including humans that direct damage to proteins or chemical modification of amino acids in proteins during oxidative stress can give rise to protein carbonyls. Protein carbonyl induction, as a biomarker of oxidative stress was used in laboratory studies to assess the toxic effects of pesticides in freshwater fish, Channa punctata (Bloch), exposed to deltamethrin, endosulfan and paraquat. Protein carbonyls were measured in gills, kidney and liver. Significant (P<0.05-0.001) increase in protein carbonyls was observed in response to single 48h exposure to various pesticides in all the tissues. The time kinetics study involving deltamethrin (0.75µg/L) also showed a significant (P<0.05-0.001) induction of protein carbonyls in all the organs. The induction was significant (P<0.05-0.001) in all the durations of exposure (12h, 96h, 7 days, 14 days, 28 days). However, relatively pronounced induction was observed during shorter duration of exposure. The findings of the present investigation showed that deltamethrin had the maximum oxidative stress-inducing potential among the three pesticides used and gills are the most sensitive organs prone to oxidative damage. It is suggested that measurement of carbonyl groups may provide a convenient technique for detecting and quantifying oxidative modification of proteins during oxidative stress. The induction of protein carbonyl in fish was identified as a potentially useful biomarker of oxidative stress that warrants its application in the field investigations.
File Format	HTM / HTML
ISSN	13826689
Issue Number	1
Journal	Environmental Toxicology and Pharmacology
Volume Number	20
e-ISSN	18727077
Language	English
Publisher	Elsevier
Publisher Date	2005-07-01
Publisher Place	Netherlands
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Environmental Health Discipline Pharmacology
Content Type	Text
Resource Type	Article
Subject	Health, Toxicology and Mutagenesis Medicine Toxicology Pharmacology

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Effects of Paraquat on the Freshwater Fish Channa punctata (Bloch): Non-Enzymatic Antioxidants as Biomarkers of Exposure

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Protein carbonyls: novel biomarkers of exposure to oxidative stress-inducing pesticides in freshwater fish Channa punctata (Bloch).

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Protein carbonyls: novel biomarkers of exposure to oxidative stress-inducing pesticides in freshwater fish Channa punctata (Bloch).