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Histopathological alterations in gills, liver, kidney and muscles of Ictalurus punctatus collected from pollutes areas of River / Alterações histopatológicas em brânquias, fígado, rim e músculos de Ictalurus punctatus coletados em áreas poluídas do rio
Shahid, S; Sultana, T; Sultana, S; Hussain, B; Irfan, M; Al-Ghanim, K A; Misned, F A; Mahboob, Shahid.
  • Shahid, S; Government College University. Department of Zoology. Faisalabad. PK
  • Sultana, T; Government College University. Department of Zoology. Faisalabad. PK
  • Sultana, S; Government College University. Department of Zoology. Faisalabad. PK
  • Hussain, B; Government College University. Department of Zoology. Faisalabad. PK
  • Irfan, M; Government College University. Department of Zoology. Faisalabad. PK
  • Al-Ghanim, K A; King Saud University. College of Science. Department of Zoology. Riyadh. SA
  • Misned, F A; King Saud University. College of Science. Department of Zoology. Riyadh. SA
  • Mahboob, Shahid; Government College University. Department of Zoology. Faisalabad. PK
Braz. j. biol ; 81(3): 814-821, July-Sept. 2021. tab, graf
Article in English | LILACS | ID: biblio-1153402
ABSTRACT
Abstract Untreated sewage and industrial wastes from Faisalabad city are disposed to River Chenab through Chakbandi Main Drain (CMD). The present project is planned to investigate the effects of this freshwater pollution on the body of fish Ictalurus punctatus. The specimens of this fish species were collected upstream and downstream of the entrance of CMD into River Chenab. Fish gills, liver, kidney and muscles from dorsolateral regions of fish were subjected to histopathology. Farmed fish and fish from upstream areas were used as control. Fish collected from polluted experimental sites showed significant damage in selected organs. Gill tissues showed an abnormality in the form of an uplifting of the primary epithelium, fusion, vacuolation, hypertrophy, and necrosis. While liver tissues subjected to hepatocytes degeneration, necrosis, mitochondrial granular hepatocyte, and sinusoids dilation. Kidney tissues indicated increased bowmen space and constricted glomerulus and degenerated nephrons. Edema, necrosis, and atrophy were observed in muscle tissues of fish from polluted areas. Fish from the upstream area showed fused gill lamellae, inflammatory cell infiltration, hypertrophy and vacuolation in hepatocytes. Kidney tissues indicated the presence of nuclear tubular cells, destructive renal tubules, hemorrhage, and necrosis at tubular epithelium. Intra myofibril spaces were also observed in muscles. Specimens of control fish indicated no variation in gills, liver, kidney, and muscles. The present study revealed a strong correlation between the degree of tissue damage and environmental contamination. Present findings also compel global warnings to protect our water bodies and fish to rescue the human population.
RESUMO
Resumo O esgoto não tratado e os resíduos industriais da cidade de Faisalabad, no Paquistão, são descartados no Rio Chenab através do dreno principal de Chakbandi (CMD). O presente projeto busca investigar os efeitos dessa poluição de água doce no corpo de peixes Ictalurus punctatus. Os espécimes deste peixe foram coletados a montante e a jusante da entrada do CMD no Rio Chenab. Brânquias, fígado, rim e músculos das regiões dorsolaterais dos peixes foram submetidos à histopatologia. Peixes de criação e peixes de áreas a montante foram utilizados como controle. Peixes coletados em locais experimentais poluídos mostraram danos significativos em órgãos selecionados. Os tecidos branquiais mostraram uma anormalidade na forma de elevação do epitélio primário, fusão, vacuolação, hipertrofia e necrose. Observou-se que os tecidos hepáticos estão sujeitos a degeneração de hepatócitos, necrose, hepatócitos mitocondriais granulares e dilatação de sinusoides. Os tecidos renais indicaram aumento do espaço dos arqueiros, glomérulos contraídos e néfrons degenerados. Edema, necrose e atrofia foram observados nos tecidos musculares de peixes de áreas poluídas. Peixes da área a montante apresentaram lamelas branquiais fundidas, infiltração de células inflamatórias, hipertrofia e vacuolização em hepatócitos. Os tecidos renais indicaram a presença de células tubulares nucleares, túbulos renais destrutivos, hemorragia e necrose no epitélio tubular. Os espaços intramiofibrilas também foram observados nos músculos. Amostras de peixes controle não indicaram variação em brânquias, fígado, rim e músculos. O presente estudo revelou uma forte correlação entre o grau de dano tecidual e a contaminação ambiental. As descobertas atuais também constituem avisos globais para proteger nossos corpos d'água e peixes para resguardar a população humana.
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Full text: Available Index: LILACS (Americas) Main subject: Water Pollutants, Chemical / Ictaluridae Limits: Animals / Humans Language: English Journal: Braz. j. biol Journal subject: Biology Year: 2021 Type: Article Affiliation country: Pakistan / Saudi Arabia Institution/Affiliation country: Government College University/PK / King Saud University/SA

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Full text: Available Index: LILACS (Americas) Main subject: Water Pollutants, Chemical / Ictaluridae Limits: Animals / Humans Language: English Journal: Braz. j. biol Journal subject: Biology Year: 2021 Type: Article Affiliation country: Pakistan / Saudi Arabia Institution/Affiliation country: Government College University/PK / King Saud University/SA