Histopathological and Ultrastructure Alteration Of Gills in Common Carp (Cyprinuscarpio L.) After Long Time Exposure to Zinc Oxide Nano particles .

This study aimed to assess the toxicity and severity of zinc oxide nanoparticle (ZnO-NPs) in the tissues of gills. Therefore, carp fish (Cyprinus carpio) were subjected to sub-lethal concentration of (ZnO-NPs) 9mg/l for periods of (7, 14, 21, 28, 35, 42) days that led to a histopathological and ultr...

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Auteurs principaux:	Shahbaa, K. AL-Taee, Alaa, H. AL-Hamdani
Format:	article
Langue:	EN
Publié:	Egyptian Society for Animal Management 2020
Sujets:	zinc oxide nanoparticles gill ultrastructure cyprinus carpio Zoology QL1-991 Veterinary medicine SF600-1100 Animal biochemistry QP501-801
Accès en ligne:	https://dx.doi.org/10.21608/javs.2020.26895.1022 https://doaj.org/article/de8cda988ffe4ec08b7d64b944a69ff1
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spelling	oai:doaj.org-article:de8cda988ffe4ec08b7d64b944a69ff12021-12-02T16:33:51ZHistopathological and Ultrastructure Alteration Of Gills in Common Carp (Cyprinuscarpio L.) After Long Time Exposure to Zinc Oxide Nano particles .https://dx.doi.org/10.21608/javs.2020.26895.10221687-40722090-3308https://doaj.org/article/de8cda988ffe4ec08b7d64b944a69ff12020-04-01T00:00:00Zhttps://javs.journals.ekb.eg/article_85606.htmlhttps://doaj.org/toc/1687-4072https://doaj.org/toc/2090-3308This study aimed to assess the toxicity and severity of zinc oxide nanoparticle (ZnO-NPs) in the tissues of gills. Therefore, carp fish (Cyprinus carpio) were subjected to sub-lethal concentration of (ZnO-NPs) 9mg/l for periods of (7, 14, 21, 28, 35, 42) days that led to a histopathological and ultrastructural alteration in gills tissue. Microscopic examination showed the occurrence of bleeding and the pyramidal form (clump shape) of the epithelial cells lining the secondary gill filament after the lapse of 7 and 14 days after the treatment, and hyperplasia in mucus cells with hypertrophy of pillar cells at 28 days of treatment. At day 42, the lesions were characterized by basement thickening in the secondary gill filament with edema and vacuolar degeneration of pillar cells. While ultrastructural examination showed the presence of cloudy swelling of chloride cells and condensation of micro organelles at seven days of exposure increased with increasing duration of exposure and, therefore, at day 14 of exposure to the (ZnO-NPs). The electron microscope examination showed a thickening of blood vessels wall, hyperplasia of mucous cells with vacuolar degeneration of chloride cells. Ultra-structural changes in gills tissue of fish that exposed to N-ZnO for 42 days revealed microvilli and adhesion of micro ridge with degeneration of epithelial cells lining the secondary gill filaments. In conclusion, ZnO-NPs are toxic in a concentration of 9mg/l in a common carp (Cyprinus carpio), that lead to histopathological and ultra-structure alteration in gills and there was a positive relationship between the severity of lesions and time of exposure (7, 14, 21, 28,35 and42) days.Shahbaa, K. AL-TaeeAlaa, H. AL-HamdaniEgyptian Society for Animal Managementarticlezinc oxide nanoparticlesgillultrastructurecyprinus carpioZoologyQL1-991Veterinary medicineSF600-1100Animal biochemistryQP501-801ENJournal of Applied Veterinary Sciences, Vol 5, Iss 2, Pp 104-108 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	zinc oxide nanoparticles gill ultrastructure cyprinus carpio Zoology QL1-991 Veterinary medicine SF600-1100 Animal biochemistry QP501-801
spellingShingle	zinc oxide nanoparticles gill ultrastructure cyprinus carpio Zoology QL1-991 Veterinary medicine SF600-1100 Animal biochemistry QP501-801 Shahbaa, K. AL-Taee Alaa, H. AL-Hamdani Histopathological and Ultrastructure Alteration Of Gills in Common Carp (Cyprinuscarpio L.) After Long Time Exposure to Zinc Oxide Nano particles .
description	This study aimed to assess the toxicity and severity of zinc oxide nanoparticle (ZnO-NPs) in the tissues of gills. Therefore, carp fish (Cyprinus carpio) were subjected to sub-lethal concentration of (ZnO-NPs) 9mg/l for periods of (7, 14, 21, 28, 35, 42) days that led to a histopathological and ultrastructural alteration in gills tissue. Microscopic examination showed the occurrence of bleeding and the pyramidal form (clump shape) of the epithelial cells lining the secondary gill filament after the lapse of 7 and 14 days after the treatment, and hyperplasia in mucus cells with hypertrophy of pillar cells at 28 days of treatment. At day 42, the lesions were characterized by basement thickening in the secondary gill filament with edema and vacuolar degeneration of pillar cells. While ultrastructural examination showed the presence of cloudy swelling of chloride cells and condensation of micro organelles at seven days of exposure increased with increasing duration of exposure and, therefore, at day 14 of exposure to the (ZnO-NPs). The electron microscope examination showed a thickening of blood vessels wall, hyperplasia of mucous cells with vacuolar degeneration of chloride cells. Ultra-structural changes in gills tissue of fish that exposed to N-ZnO for 42 days revealed microvilli and adhesion of micro ridge with degeneration of epithelial cells lining the secondary gill filaments. In conclusion, ZnO-NPs are toxic in a concentration of 9mg/l in a common carp (Cyprinus carpio), that lead to histopathological and ultra-structure alteration in gills and there was a positive relationship between the severity of lesions and time of exposure (7, 14, 21, 28,35 and42) days.
format	article
author	Shahbaa, K. AL-Taee Alaa, H. AL-Hamdani
author_facet	Shahbaa, K. AL-Taee Alaa, H. AL-Hamdani
author_sort	Shahbaa, K. AL-Taee
title	Histopathological and Ultrastructure Alteration Of Gills in Common Carp (Cyprinuscarpio L.) After Long Time Exposure to Zinc Oxide Nano particles .
title_short	Histopathological and Ultrastructure Alteration Of Gills in Common Carp (Cyprinuscarpio L.) After Long Time Exposure to Zinc Oxide Nano particles .
title_full	Histopathological and Ultrastructure Alteration Of Gills in Common Carp (Cyprinuscarpio L.) After Long Time Exposure to Zinc Oxide Nano particles .
title_fullStr	Histopathological and Ultrastructure Alteration Of Gills in Common Carp (Cyprinuscarpio L.) After Long Time Exposure to Zinc Oxide Nano particles .
title_full_unstemmed	Histopathological and Ultrastructure Alteration Of Gills in Common Carp (Cyprinuscarpio L.) After Long Time Exposure to Zinc Oxide Nano particles .
title_sort	histopathological and ultrastructure alteration of gills in common carp (cyprinuscarpio l.) after long time exposure to zinc oxide nano particles .
publisher	Egyptian Society for Animal Management
publishDate	2020
url	https://dx.doi.org/10.21608/javs.2020.26895.1022 https://doaj.org/article/de8cda988ffe4ec08b7d64b944a69ff1
work_keys_str_mv	AT shahbaakaltaee histopathologicalandultrastructurealterationofgillsincommoncarpcyprinuscarpiolafterlongtimeexposuretozincoxidenanoparticles AT alaahalhamdani histopathologicalandultrastructurealterationofgillsincommoncarpcyprinuscarpiolafterlongtimeexposuretozincoxidenanoparticles
_version_	1718383783206453248

Histopathological and Ultrastructure Alteration Of Gills in Common Carp (Cyprinuscarpio L.) After Long Time Exposure to Zinc Oxide Nano particles .

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