Heavy metals bioaccumulation and histopathological changes in Auchenoglanis occidentalis fish from Tiga dam, Nigeria

Abalaka, Samson Eneojo

doi:10.1186/s40201-015-0222-y

Cited by 56 publications

(34 citation statements)

References 24 publications

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“…The accumulation of Cd in the hepatopancreas may contribute to histopathological changes, such as the loss of normal parenchymal architecture (structure), cytoplasmic vacuolation, cell degeneration, and necrosis (Abalaka 2015 ; Ghiasi et al 2017 ). This damage results from Cd bonding to the sulfhydryl, disulfide, and amine groups of a range of compounds present in the cells, mainly proteins of the cytosol, nucleus, mitochondrial membranes, and lysosomes, which significantly disrupts their homeostasis.…”

Section: Resultsmentioning

confidence: 99%

“…Cadmium is considered a major chemical pollutant of the aqueous environment and a serious threat to water organisms, especially fish (Derective 2013 ). Environmental exposure to cadmium may lead to the absorption of large quantities of the element, causing harm to the organism (Abalaka 2015 ).…”

Section: Introductionmentioning

confidence: 99%

“…This metal accumulates in different organs (liver, pancreatic gland, kidneys, intestine, gills etc.) causing histopathological changes in them (Abalaka 2015 ). Cadmium toxicity is conditioned by many different mechanisms.…”

Section: Introductionmentioning

confidence: 99%

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Cadmium-induced oxidative stress in Prussian carp (Carassius gibelio Bloch) hepatopancreas: ameliorating effect of melatonin

Drąg‐Kozak

Pawlica-Gosiewska

Gawlik

et al. 2019

Environ Sci Pollut Res

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The oxidative status of the hepatopancreas of Prussian carp females ( Carassius gibelio ) co-exposed to sublethal cadmium in water and melatonin was studied. The activities of antioxidant enzymes such as glutathione reductase (GR), glutathione peroxidase (GPx), and superoxide dismutase (SOD) as well as the concentration of reduced glutathione (GSH) were measured in homogenates of the hepatopancreas. Furthermore, concentrations of cadmium (Cd), zinc (Zn), copper (Cu), and iron (Fe) in the hepatopancreas were assayed. These females received melatonin implants and were exposed to 0.4 mg/L or 4.0 mg/L Cd in water for either a 13- or a 7-week period, followed by further 6 weeks of purification in clear water. Exposure to Cd influenced the increase in this metal concentration in fish hepatopancreas. In contrast, the fish exposed to cadmium with additional administration of melatonin had a lower accumulation of this metal. Exposure to Cd caused the increase in GSH content and the activity of GR, and a reduction in GPx activity, whereas the SOD activity varies depending on the exposure time on cadmium. In the hepatopancreas of fish treated with Cd alone, the content of Cu and Zn were increased and that of Fe was changed. After melatonin administration to Cd-exposed fish, a decrease in copper and zinc hepatopancreas content was noted. The present findings imply that melatonin co-treatment can effectively protect the fish against the toxic effects of cadmium on endogenous antioxidant status in hepatopancreas tissues and variations in metal concentration, such as Zn, Cu, and Fe.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Cadmium-induced oxidative stress in Prussian carp (Carassius gibelio Bloch) hepatopancreas: ameliorating effect of melatonin

Drąg‐Kozak

Pawlica-Gosiewska

Gawlik

et al. 2019

Environ Sci Pollut Res

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“…Observing anthropogenic impacts on aquatic ecosystems occurs not only in countries with an arid climate and water scarcity (Lapworth et al, ), but also in densely populated areas with industrial and agricultural development (Bhateria & Jain, ; Strzebońska, Krzemińska, & Adamiec, ). Assessing water quality and its suitability for various purposes is typically based on determining the concentrations of pollutants in a waterbody (Bhutiani, Kulkarni, Khanna, & Gautam, ; Mahato, Mahato, Karna, & Balmiki, ; Zhao, Ye, Yuan, Ding, & Wang, ), soils (Maleki, Amini, Nazmara, Zandi, & Mahvi, ) or in aquatic biota (Abalaka, ). This approach, however, has several limitations, attributable primarily to annual increases in the types of pollutants entering the environment.…”

Section: Introductionmentioning

confidence: 99%

Tracking pollution and its sources in the catchment‐lake system of major waterbodies in Kazakhstan

Krupa¹,

Barınova

Aubakirova

2020

Lakes & Reservoirs

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The objective of the present study was to identify the sources and routes of entry of heavy metals and nutrients into several large waterbodies in the arid zone of Kazakhstan, namely Lake Balkhash and Samarkan and Shardara reservoirs. A data visualization method was used for this purpose. Statistical mapping, based on referencing coordinates of the material selection points, was performed with the Statistics 12.0 program. Matching statistical maps with the waterbody contours was performed in Adobe Photoshop. Maps of the spatial distribution of heavy metals (cadmium, nickel, cobalt, lead, zinc and copper) and nutrients were constructed for all three study waterbodies. Data visualization clearly illustrated the relationship between the distribution of pollutants in the study waterbodies, as well as the sources of anthropogenic pollution. Based on the mapping exercise, it was established that Cu and Zn entered the waterbodies mainly in agricultural waste waters, while Cd, Ni, Co, Pb and partly Zn entered the waterbodies mainly in industrial and surface run‐off. Nutrients enter the waterbodies mainly in river and municipal waters. The constructed maps demonstrate the role of the constant flow in the distribution of pollutants in the waters of Lake Balkhash. The results also indicate that statistical mapping is an effective tool for identifying the sources and routes of pollutant entry into waterbodies. The imposition of statistical maps on the contours of waterbodies of concern provides a mapping method allowing for more visually compelling data and information for a wide circle of users and managers.

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“…Fishes represent the peak of consumers in the water system. Fishes have ability to collect these metals in concentrations higher than water and sediments because of feed on organic materials in aquatic environments 1 . Fishes have been found to be good indicators of the heavy metal contamination levels in the aquatic systems because they occupy different atrophic levels 2 .…”

Section: Introductionmentioning

confidence: 99%

Analytical Environmental Study on the Pollution Effect of Heavy Metals in Some Types of the Fish in Yemen

Al-Qadasy

Babaqi

Al-Abyadh

et al. 2018

UJPR

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Objectives: The fish samples were collected from the three different cities of Yemeni coasts. Aden, Al-Hodeidah and AL-Mukalla were chosen for the sample collection. Lethrinusmahsena, Thunnustonggol, Sphyraenajello and Epinephelusareolatus fish samples were considered for the study as they are more common eatable fish among the population. Methods: The study was carried out in the all three seasons of winter 2011, summer 2012 and winter 2013 in order to check seasonal variation of heavy metal pollution.Total Fish (108 samples of each muscles, liver and gills) were analyzed. The four heavy metals lead, Cadmium, Mercury and arsenic which are considered highly toxic were detected in the samples in the year 2010, 2012 and 2013. Results: The mean concentration of Pb, Cd, Hg and as in muscle was 0.101±0.012, 0.046±0.010, 0.058±0.002 and 0.089±0.002µg.g-1 dry wt. respectively; whereas in liver was 0.196±0.033, 0.132±0.020, 0.102±0.007 and 0.115±0.0005µg.g-1 dry wt. respectively; whereas in gill was 0.294±0.042, 0.196±0.063, 0.016±0.0006 and 0.034±0.0005µg.g-1 dry wt. respectively. The results showed that, the heavy metals concentrations were high in stations AL-Hudaydah and AL-Mukalla and low in station of Aden. Also the heavy metals concentrations were high in Seasons summer and low in Seasons winter. Conclusion: From the heavy metal concentrations mentioned above we can see that somewhere the concentration is crossing the limits as permissible by the World Health Organization. It suggests a high risk to the health of human being on the consumption of contaminated fish. Therefore it is recommended that the practice of trace element detection should be continued in order to update whether the heavy metal concentration is above or below the permissible limits and if it is above the limit then precautions must be taken to avoid possible consumption of contaminated eatables.

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Heavy metals bioaccumulation and histopathological changes in Auchenoglanis occidentalis fish from Tiga dam, Nigeria

Cited by 56 publications

References 24 publications

Cadmium-induced oxidative stress in Prussian carp (Carassius gibelio Bloch) hepatopancreas: ameliorating effect of melatonin

Cadmium-induced oxidative stress in Prussian carp (Carassius gibelio Bloch) hepatopancreas: ameliorating effect of melatonin

Tracking pollution and its sources in the catchment‐lake system of major waterbodies in Kazakhstan

Analytical Environmental Study on the Pollution Effect of Heavy Metals in Some Types of the Fish in Yemen

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