Ultra-structural and histochemical analysis of channel catfish (Ictalurus punctatus) liver treated with fumonisin B1

Scaff, Rejane Maria Cirra; Scussel, V. M.

doi:10.1590/s1516-89132008000200013

Cited by 3 publications

(2 citation statements)

References 24 publications

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“…Similar results were observed by Fanta et al (2003), who observed that the liver is an organ that suffers serious morphological alterations in fish exposed to pesticides, such as nuclear alterations, pyknotic nuclei and lateral position, as well as intense vacuolation. Authors such as Sakr and Jamal Al Lial (2005), Peebua et al (2006) and Scaff and Scussel (2008) have also observed that histopathological alterations such as hepatocyte vacuolation, focal and total necrosis, infiltration by leucocytes, pyknotic nuclei and necrosis due to hepatocyte apoptosis are associated to individuals being exposed to environments contaminated from toxic substances.…”

Section: Discussionmentioning

confidence: 99%

Histopathological alterations observed in the liver of Poecilia vivipara (Cyprinodontiformes: Poeciliidae) as a tool for the environmental quality assessment of the Cachoeira River, BA

2012

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Histopathological alterations in liver have been widely used as a tool in studies for monitoring environmental quality.To evaluate the environmental quality in the Cachoeira river, five spots were monitored between the municipal districts of Itapé and Ilhéus, using liver histological analysis. The species chosen for analysis was Poecilia vivipara due to the fact that it is one of the most abundant in the sampling. The routine technique of inclusion and impregnation in paraffin was used, and the cuts were stained with Hematoxylin and Eosin (H & E). Histopathological alterations in the liver were evaluated semi-quantitatively and based on the severity of the lesions. The results of the histopathological alteration frequency together with the average taken from the Histopathological Alteration Index from points 1 (Vila de Itapé) and 2 (Fazenda Santa Amélia) showed that in this area the environment is more threatened because of some stressor agent, possibly contaminants that seem to be acting in the environment and endangering the health of fish. The statistic results demonstrated that there were no significant differences among points 1, 2 and 4, which means they are very similar to one another, and are ecologically endangered.Keywork: Poecilia vivipara, toxicology, histopathologic alterations. Alterações histopatológicas observadas no fígado de Poecilia vivipara(Cyprinodontiformes: Poeciliidae) como ferramenta de avaliação da qualidade ambiental do rio Cachoeira, BA ResumoAlterações histopatológicas em fígado têm sido amplamente utilizadas como ferramenta no estudo de monitoramento da qualidade ambiental. A fim de avaliar a qualidade ambiental do Rio Cachoeira, foi realizado um monitoramento em cinco pontos do rio, entre Itapé e Ilhéus, utilizando-se análise histopatológica do fígado. A espécie Poecilia vivipara foi escolhida para análise por ser uma das mais abundantes nas amostragens. Foi utilizada a técnica histológica de rotina de inclusão e impregnação em parafina, sendo os cortes corados com hematoxilina e eosina (H&E). As alterações histopatológicas no fígado foram avaliadas semiquantitativamente e baseadas na severidade das lesões. Os resultados das frequências de alterações histopatológicas juntamente com as médias de IAH dos pontos 1 (Vila de Itapé) e 2 (Fazenda Santa Amélia) demonstraram que nestas áreas os ambientes encontram-se mais comprometidos por causa da atuação de algum agentes estressores, que possivelmente, seja contaminante que deve estar atuando sobre o ambiente e comprometendo a saúde dos peixes. Os resultados dos testes estatísticos demonstraram que não houve diferença estatisticamente significativa entre os pontos Vila de Itapé, Fazenda Santa Amélia e Ponto do Pitu, e que ambos -pontos Vila de Itapé, Fazenda Santa Amélia -estão comprometidos ecologicamente, apesar de o ponto Fazenda Santa Amélia ser considerado o mais degradado de acordo com as frequências de alterações e o IAH.Palavras-chave: Poecilia vivipara, toxicologia, alterações histopatológicas.

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Section: Discussionmentioning

confidence: 99%

Histopathological alterations observed in the liver of Poecilia vivipara (Cyprinodontiformes: Poeciliidae) as a tool for the environmental quality assessment of the Cachoeira River, BA

2012

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“…Figure 2.Variability in mycotoxin toxicity for fish, as shown by the differences in the lowest-observable effect levels (LOEL) in different fish species. References: 92 studies for AFB 1[63,64, comprising 21 different fish species, 7 studies for OTA[56-58, 94, 150-152] comprising 5 fish species, 15 studies for FB 1[47, 50,51,[153][154][155][156][157][158][159][160][161][162][163][164][165] reporting levels for 7 fish species, 12 studies for DON[42,144,[166][167][168][169][170][171][172][173][174][175] yielding information for 5 different fish species, 10 studies for ZEN[144,[176][177][178][179][180][181][182][183][184] reporting LOEL for 5 different species, 10 studies[185][186][187][188][189][190][191]…”

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confidence: 99%

Food Safety: The Risk of Mycotoxin Contamination in Fish

Pietsch¹

2020

Mycotoxins and Food Safety

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Mycotoxins are commonly found in animal feeds, and fish feeds are no exception to this. The need to feed fish in aquaculture with compounded feeds leads to the increasing inclusion of plant-derived feed ingredients that have a higher probability of containing mycotoxins. Since fish appear to be quite sensitive to mycotoxins, further research on mycotoxin toxicity in fish is recommended. Depending on the chemical characteristics of an individual mycotoxin and the biotransformation abilities of the different fish species, certain mycotoxins can could be found in the edible parts of a fish. Thus, the consumption of fish products increases the potential risk of mycotoxin exposure for humans. This chapter reviews the risks associated with different groups of mycotoxins and makes recommendations on how to minimize these risks in the future.

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Multi-biomarkers approach to assess the toxicity of novel insecticide (Voliam flexi®) on Clarias gariepinus: From behavior to immunotoxicity

Mohamed

Hamed

Abdel-Tawab

et al. 2022

Fish & Shellfish Immunology

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Ultra-structural and histochemical analysis of channel catfish (Ictalurus punctatus) liver treated with fumonisin B1

Abstract: The histopathological effects of fumonisin B 1 (FB 1

Cited by 3 publications

References 24 publications

Histopathological alterations observed in the liver of Poecilia vivipara (Cyprinodontiformes: Poeciliidae) as a tool for the environmental quality assessment of the Cachoeira River, BA

Histopathological alterations observed in the liver of Poecilia vivipara (Cyprinodontiformes: Poeciliidae) as a tool for the environmental quality assessment of the Cachoeira River, BA

Food Safety: The Risk of Mycotoxin Contamination in Fish

Multi-biomarkers approach to assess the toxicity of novel insecticide (Voliam flexi®) on Clarias gariepinus: From behavior to immunotoxicity

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