Repeated handling compromises the immune suppression and improves the disease resistance in overwintering channel catfish (Ictalurus punctatus)

Yang, Bingyuan; Wang, Cuicui; Hu, Huihua; Tu, Yongqin; Han, Dong; Zhu, Xiaoming; Jin, Junyan; Yang, Yunxia; Xie, Shouqi

doi:10.1016/j.fsi.2015.09.010

Cited by 19 publications

(4 citation statements)

References 40 publications

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“…It is known that the infected control group showed a tendency to increase LOOH levels since infected controls at 4 DPI had a reduced level of this biomarker. In experiments conducted with Carassius auratus gibelio (gibel carp) (Yang et al 2015a) and Ictalurus punctatus (channel catfish) (Yang et al 2015b), the challenge with A. hydrophila did not provide statistical variation in plasmatic MDA levels 7 DPI, corroborating the present study, despite different determinations for the assessment of oxidative damage and distinct fish species.…”

Section: Discussionsupporting

confidence: 85%

“…Total antioxidant capacity (TAC) remained unchanged at 4 and 7 DPI by A. hydrophila, both in muscle and liver tissue. The same was verified by Yang et al (2015a) and Liu et al (2013) in plasma and liver tissue, respectively, of gibel carp 7 DPI by this pathogen. Zhao et al (2019) found that hepatic TAC remained unchanged at 28 DPI by A. hydrophila and reduced after 56 days in grass carp.…”

Section: Discussionsupporting

confidence: 70%

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Redox profile of silver catfish challenged with Aeromonas hydrophila and treated with hexane extract of Hesperozygis ringens (Benth.) Epling through immersion bath

ROSA,

BIANCHINI,

BRESSAN

et al. 2024

An. Acad. Bras. Ciênc.

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The growing increase in the fish farming sector has favored the establishment of bacterial outbreaks caused by Aeromonas hydrophila in several species. The hexane extract of Hesperozygis ringens (HEHR) (Lamiaceae) leaves increased the survival rate of silver catfish (Rhamdia quelen) experimentally infected by A. hydrophila. However, it is noteworthy that no reports have been found on the possible mechanisms of action of this extract in infected fish. This study aimed to evaluate the effect of the HEHR, administered through single immersion bath, on lipid peroxidation and antioxidant defenses in muscle and liver tissue of silver catfish challenged with A. hydrophila. The results showed that the oxidative status of silver catfish was altered, although oxidative stress was not triggered during the experiment. HEHR at 30 mg/L (HEHR30) was not characterized as a pro-oxidant agent in the presence of infection, unlike florfenicol and HEHR at 15 mg/L treatments in some cases. In short, HEHR30 provided an important increase in hepatic catalase activity, characterizing one of the possible mechanisms involved in the greater survival of fish experimentally infected by A. hydrophila.Additionally, HEHR30 did not induce lipid peroxidation, nor reduced antioxidant defenses of silver catfish infected or not by A. hydrophila.

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Section: Discussionsupporting

confidence: 85%

Section: Discussionsupporting

confidence: 70%

Redox profile of silver catfish challenged with Aeromonas hydrophila and treated with hexane extract of Hesperozygis ringens (Benth.) Epling through immersion bath

ROSA,

BIANCHINI,

BRESSAN

et al. 2024

An. Acad. Bras. Ciênc.

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“…In the present study, A. hydrophila infection significantly induced the mRNA abundance of immune-related genes (INF-γ2, IL-4, IL-6, TNF-α, IL-12p40 and M-CSF2) in the spleen and kidney tissues of grass carp among the SI-supplemented groups and the control group, except splenic IL-4 expression. Similarly, in some else's fish species, such as zebrafish (Roca et al, 2008) and channel catfish (Yang et al, 2015), the transcription levels of immune-related genes were significantly upregulated with A. hydrophila injection. A previous research has revealed that the activation of immune-related genes following A. hydrophila injection probably due to the presence of a cytotoxic enterotoxin, aerolysin, in the pathogen (Silvia, Daniel, & Marisol, 2014).…”

Section: Discussionmentioning

confidence: 98%

Effects of dietary soy isoflavones on growth, antioxidant status, immune response and resistance of juvenile grass carp ( Ctenopharyngodon idella ) to Aeromonas hydrophila challenge

Cao

Ding

Luo

et al. 2020

Aquaculture Research

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In recent decades, due to the continuous increasing demand for aquatic products, the global fishery industry has been expanding rapidly, and aquaculture output has been increasing at an unprecedented speed (Cole et al., 2009). High-density aquaculture is the current mainstream aquaculture modes worldwide. While the environmental stress induced by high rearing density results in poor resistance to disease and vulnerability to infection by pathogenic microorganisms in fish (Costas, Aragão, Mancera, Dinis, & Conceicão, 2008). For a long time, many antibiotics and chemotherapeutic agents have been used to improve non-specific immunity and to treat some bacterial infections in aquatic animals, but these agents also lead to undesirable effects, such as antibiotic resistance, pharmaceutical bioaccumulation and environmental pollution (Bilen, Bulut, & Bilen, 2011;Harikrishnan, Balasundaram, & Heo, 2011). In recent years, many harmless therapeutic techniques and

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“…In overwintering channel catfish that were challenged with Aeromonas hydrophila , Yang and coworkers (Yang et al 2015 ) observed higher expression of il-1β and il-8 in the head kidney between December and April.…”

Section: Discussionmentioning

confidence: 99%

Season affects the estrogen system and the immune response of common carp

Maciuszek,

Pijanowski,

Kemenade

et al. 2023

Fish Physiol Biochem

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The physiology of ectothermic animals, including fish, is strictly regulated by season-related external factors such as temperature or photoperiod. The immune response and the production of hormones, such as estrogens, are therefore also subject to seasonal changes. This study in common carp aimed to determine how the season affects the estrogen system and the immune response, including the antibacterial response during Aeromonas salmonicida infection. We compared the immune reaction in spring and autumn in the head kidney and liver and found that carp have higher levels of blood 17β-estradiol in autumn, while in the liver of these fish there is a higher constitutive expression of genes encoding vitellogenin, estrogen receptors and Cyp19 aromatase than in spring. Fish sampled in autumn also exhibited higher expression of immune-related genes in the liver. In contrast, in the head kidney from fish sampled in the autumn, the expression of genes encoding estrogen receptors and aromatase was lower than in spring, and a similar profile of expression was also measured in the head kidney for inos, arginases and il-10. In turn, during bacterial infection, we observed higher upregulation of the expression of inos, il-12p35, ifnγ-2, arginase 2 and il-10 in the liver of carp sampled in spring. In the liver of carp infected in spring a higher upregulation of the expression of the genes encoding CRPs was observed compared to fish infected during autumn. The opposite trend occurred in the head kidney, where the upregulation of the expression of the genes involved in the immune response was higher in fish infected in autumn than in those infected in spring. During the infection, also season-dependent changes occurred in the estrogen system. In conclusion, we demonstrated that season differentially affects the estrogenic and immune activity of the head kidney and liver. These results reinforce our previous findings that the endocrine and immune systems cooperate in maintaining homeostasis and fighting infection.

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Repeated handling compromises the immune suppression and improves the disease resistance in overwintering channel catfish (Ictalurus punctatus)

Cited by 19 publications

References 40 publications

Redox profile of silver catfish challenged with Aeromonas hydrophila and treated with hexane extract of Hesperozygis ringens (Benth.) Epling through immersion bath

Redox profile of silver catfish challenged with Aeromonas hydrophila and treated with hexane extract of Hesperozygis ringens (Benth.) Epling through immersion bath

Effects of dietary soy isoflavones on growth, antioxidant status, immune response and resistance of juvenile grass carp ( Ctenopharyngodon idella ) to Aeromonas hydrophila challenge

Season affects the estrogen system and the immune response of common carp

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