Influence of EDTA and citric acid on lead-induced oxidative stress to Vicia faba roots

Shahid, Muhammad; Dumat, Camille; Pourrut, Bertrand; Silvestre, Jérôme; Laplanche, Christophe; Pinelli, Éric

doi:10.1007/s11368-013-0724-0

Cited by 84 publications

(39 citation statements)

References 44 publications

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“…When actual measurements are not feasible, computer speciation models (capable of performing complex calculations) offer a cost-effective alternative (Shahid et al 2012b(Shahid et al , 2014b, although site-specific validation is required to confirm the accuracy of the model's output. The most widely used speciation models include: the Windermere Humic Aqueous Model VI (WHAM VI), CHESS, CHEAQS, PHREEQC and VISUAL MINTEQ (Tipping et al 1998;Parkhurst and Appelo 1999;Gustafsson, 2008;Antunes and Kreager 2014;Shahid et al 2014d). These models offer the advantage of desk-top computing and are appropriate for both small and large scale applications.…”

Section: Bioavailability Of CD In Soilmentioning

confidence: 99%

“…These plants do not possess well-established detoxification mechanisms and are often used in risk assessment studies. In fact, metal exposure to these sensitive plants (such as V. faba), even at low levels, can induce several toxic effects resulting in reduced plant growth (Shahid et al 2014d). …”

Section: Cadmium Translocation To Shootsmentioning

confidence: 99%

“…ROS production is known to be an unavoidable consequence of aerobic metabolism (Shahid et al 2014d, e). Although Cd is not a redox active metal and unable to produce ROS directly via Fenton and Haber-Weiss reactions, indirect ROS production has been reported in Cd-exposed plants (Gallego et al 1996;Hasan et al 2009;Iannone et al 2010).…”

Section: Cadmium-induced Oxidative Stress and Lipid Peroxidationmentioning

confidence: 99%

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Cadmium Bioavailability, Uptake, Toxicity and Detoxification in Soil-Plant System

Shahid

Dumat

Khalid

et al. 2016

Reviews of Environmental Contamination and Toxicology

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206

175

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This review summarizes the findings of the most recent studies, published from 2000 to 2016, which focus on the biogeochemical behavior of Cd in soil-plant systems and its impact on the ecosystem. For animals and people not subjected to a Cd-contaminated environment, consumption of Cd contaminated food (vegetables, cereals, pulses and legumes) is the main source of Cd exposure. As Cd does not have any known biological function, and can further cause serious deleterious effects both in plants and mammalian consumers, cycling of Cd within the soil-plant system is of high global relevance.The main source of Cd in soil is that which originates as emissions from various industrial processes. Within soil, Cd occurs in various chemical forms which differ greatly with respect to their lability and phytoavailability. Cadmium has a high phytoaccumulation index because of its low adsorption coefficient and high soil-plant mobility and thereby may enter the food chain. Plant uptake of Cd is believed to occur mainly via roots by specific and non-specific transporters of essential nutrients, as no Cd-specific transporter has yet been identified. Within plants, Cd causes phytotoxicity by decreasing nutrient uptake, inhibiting photosynthesis, plant growth and respiration, inducing lipid peroxidation and altering the antioxidant system and functioning of membranes. Plants tackle Cd toxicity via different defense strategies such as decreased Cd uptake or sequestration into vacuoles. In addition, various antioxidants combat Cd-induced overproduction of ROS. Other mechanisms involve the induction of phytochelatins, glutathione and salicylic acid.

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Section: Bioavailability Of CD In Soilmentioning

confidence: 99%

Section: Cadmium Translocation To Shootsmentioning

confidence: 99%

Section: Cadmium-induced Oxidative Stress and Lipid Peroxidationmentioning

confidence: 99%

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Cadmium Bioavailability, Uptake, Toxicity and Detoxification in Soil-Plant System

Shahid

Dumat

Khalid

et al. 2016

Reviews of Environmental Contamination and Toxicology

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206

175

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“…4A. The increase in SOD activity might be due to the action of heavy metal ions on SOD, or the increasing ROS production or H 2 O 2 and O 2 À levels (Shahid et al, 2014a) under oxidative stress created by Cd and phenanthrene co-contamination. CAT and POD exhibited relatively complex changes in activities ( Fig.…”

Section: Treatmentsmentioning

confidence: 99%

Combined remediation of Cd–phenanthrene co-contaminated soil by Pleurotus cornucopiae and Bacillus thuringiensis FQ1 and the antioxidant responses in Pleurotus cornucopiae

Juan

Liu

et al. 2015

Ecotoxicology and Environmental Safety

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“…The level of resulting quinoneimine dye was then measured spectrophotometrically at 510 nm. Total activity was expressed as U/g tissue where 1 U=the amount of catalase that decomposes 1 µmol H 2 O 2 /per min [43].…”

Section: Biochemical Analysismentioning

confidence: 99%

The Effects of Monosodium Glutamate on Thymic and Splenic Immune Functions and Role of Recovery (Biochemical and Histological study)

Hassan¹

2014

J Cytol Histol

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Citation: Hassan ZA, Arafa MH, Soliman WI, Atteia HH, Al-Saeed HF (2014) The Effects of Monosodium Glutamate on Thymic and Splenic Immune Functions and Role of Recovery (Biochemical and Histological study). AbstractMonosodium glutamate (MSG), a flavor enhancer, is used in modern nutrition to improve food palatability.The objectives of the current study were to investigate the effect of MSG on thymus as well as spleen structures and functions. Also, to evaluate the possibility of recovery after cessation of administration. Adult male rats were divided into three groups: control, MSG (3 g MSG/kg body weight daily for 8 weeks by oral gavages), and Recovery (MSG for same period and then left untreated for additional 4 weeks). The results showed that MSG treatments significantly increased serum interleukin (IL)-1β as well as thymic and splenic malondialdehyde and decreased serum levels of IL-10 and also reduced glutathione (GSH) levels and both catalase and superoxide dismutase activities in the thymus and spleen. Histological examination showed that MSG induced a remarkable disruption in the lobular architecture of the thymus with marked decrease of the T lymphocytes with darkly stained nuclei and dilated blood sinusoid in the cortical region. Medullary region were enlarged and repopulated with small lymphocytes and dilated blood sinusoids. The cortical-medullary differentiation was difficult to be determined. Small sized splenic lymphatic follicles with absence of germinal centers and large congested blood vessels were also noticed. The differentiation between the red and the white pulps was indistinct. Recovery groups showed preserved thymic lobular architecture with repopulation of the cortical thymocytes enclosing the paler staining medulla .Splenic lymphatic follicles of different sizes with absence of germinal centers were noticed. Marginal zone is differentiated from the red pulp. Immunohistochemical staining of MSG group demonstrated a marked decrease in CD3-positive T-lymphocytes in both thymus and spleen that significantly increased in recovery group. Taken together, the data showed that MSG consumption may have immunotoxic effects on the thymus and spleen of adult rats which is reversible but the normal structure of the spleen would need time to be regained. It is recommended that further studies aimed at corroborating these findings be carried out.

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Influence of EDTA and citric acid on lead-induced oxidative stress to Vicia faba roots

Cited by 84 publications

References 44 publications

Cadmium Bioavailability, Uptake, Toxicity and Detoxification in Soil-Plant System

Cadmium Bioavailability, Uptake, Toxicity and Detoxification in Soil-Plant System

Combined remediation of Cd–phenanthrene co-contaminated soil by Pleurotus cornucopiae and Bacillus thuringiensis FQ1 and the antioxidant responses in Pleurotus cornucopiae

The Effects of Monosodium Glutamate on Thymic and Splenic Immune Functions and Role of Recovery (Biochemical and Histological study)

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