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Serafini S, de Freitas Souza C, Baldissera MD, Baldisserotto B, Da Silva AS. Nitric oxide levels in brain, liver, and gills of silver catfish (Rhamdia quelen) exposed to the antiparasitic eprinomectin. FISH PHYSIOLOGY AND BIOCHEMISTRY 2020; 46:1867-1872. [PMID: 32564238 DOI: 10.1007/s10695-020-00836-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Accepted: 06/09/2020] [Indexed: 06/11/2023]
Abstract
Nitric oxide (NO) is a mediator and biomarker of pro- and anti-inflammatory processes. Excessive levels of NO for long periods have been associated with inflammation and tissue damage. The metabolism and synthesis of NO is usually measured indirectly, as metabolites and enzymes involved in reactions, often as the nitrite/nitrate (NOx) level. The aim of the present study was to measure the NOx levels in vital organs of juvenile silver catfish (Rhamdia quelen) exposed to various levels of eprinomectin in the water. The fish were exposed for 24 and 48 h to start concentration (0 h) of eprinomectin in water (0.0, 1.12, 1.80, and 3.97 μg/L). The eprinomectin concentrations in water were lower at 24 h (0.0, 0.85, 1.14, and 1.15 μg/L) and 48 h (0.0, 0.39, 0.69, and 1.28 μg/L), due to the process of eprinomectin metabolization. Subsequently, the fish were left for 48 h of recovery in eprinomectin-free water. NO levels were measured indirectly, as NOx levels in brain, liver, and gill tissue. Within 24 h of exposure, there was no significant increase in NOx levels in the organs evaluated at any of the concentrations tested. However, increases in NOx levels did occur at 48 h of exposure in all organs, particularly at the two highest concentrations of eprinomectin (1.80 and 3.97 μg/L). The transfer of fish to eprinomectin-free water did not result in reversal of NOx levels after 48 h of recovery, especially in fish that had been exposed to the two highest concentrations in the brain and liver tissues, and for the highest concentration in the gills. We conclude that silver catfish exposed to eprinomectin for up to 48 h present possible cerebral, hepatic, and branchial inflammatory process associated with increased tissue NOx levels, and that recovery for 48 h in water without antiparasitic is insufficient for the fish to recover from the poisoning.
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Affiliation(s)
- Suélen Serafini
- Graduate Program of Animal Science, Universidade do Estado de Santa Catarina (UDESC), Chapecó, SC, Brazil
| | - Carine de Freitas Souza
- Graduate Program of Pharmacology, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil
| | | | - Bernardo Baldisserotto
- Graduate Program of Pharmacology, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Aleksandro Schafer Da Silva
- Graduate Program of Animal Science, Universidade do Estado de Santa Catarina (UDESC), Chapecó, SC, Brazil.
- Department of Animal Science, Centro de Educação Superior do Oeste, Universidade do Estado de Santa Catarina (UDESC), 680 E, Beloni Trombeta Zanin Street, Chapecó, SC, 89815-630, Brazil.
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Baldissera MD, Souza CF, Tavares GC, Valladão GMR, Da Silva AS, Antoniazzi A, Cunha MA, Baldisserotto B. Purinergic signaling and gene expression of purinoceptors in the head kidney of the silver catfish Rhamdia quelen experimentally infected by Flavobacterium columnare. Microb Pathog 2020; 142:104070. [PMID: 32081613 DOI: 10.1016/j.micpath.2020.104070] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 02/12/2020] [Accepted: 02/13/2020] [Indexed: 01/21/2023]
Abstract
The head kidney is a lymphoid immune organ that plays a key role in the immune and inflammatory responses of teleost fish. It is associated with immunoglobulin G production and differentiation of B cells. The presence of a multi-enzymatic complex found anchored in the plasma membrane makes the head kidney an important purinergic-dependent tissue. Purinergic signaling has been associated with these responses under pathological conditions via regulation of extracellular adenosine triphosphate (ATP), the main damage molecular associated pattern agent released during bacterial infections. The aim of this study was to determine whether purinergic signaling is a pathway associated with impairment of immune responses in silver catfish (Rhamdia quelen) experimentally infected by Flavobacterium columnare, as well as to evaluate the role of P2 purine receptors in this response. Triphosphate diphosphohydrolase (NTPDase) activity in the head kidney was significantly lower in silver catfish experimentally-infected F. columnare 72 h post-infection (hpi) than in the control group, while no significant difference was observed with respect NTPDase activity on adenosine diphosphate, as well as on 5'-nucleotidase and adenosine deaminase activities. Extracellular ATP levels were significantly higher in the head kidney of experimentally-infected fish than in the control group at 72 hpi. Finally, p2ry11 and p2rx3 purine receptor levels were significantly higher in experimentally-infected fish than in the control group at 72 hpi. We conclude that purinergic signaling in the head kidney of silver catfish infected by F. columnare creates a pro-inflammatory profile that may contribute to impairment of immune and inflammatory responses via reduction of ATP hydrolysis and its accumulation in the extracellular milieu, accompanied by upregulation of p2ry11 and p2rx3 purine receptors, leading to pro-inflammatory status.
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Affiliation(s)
- Matheus D Baldissera
- Department of Physiology and Pharmacology, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil.
| | - Carine F Souza
- Department of Physiology and Pharmacology, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Guilherme C Tavares
- Postgraduate Program in Aquaculture, Universidade Nilton Lins, Manaus, AM, Brazil
| | - Gustavo M R Valladão
- Postgraduate Program in Aquaculture, Universidade Nilton Lins, Manaus, AM, Brazil
| | - Aleksandro S Da Silva
- Department of Animal Science, Universidade do Estado de Santa Catarina, Chapecó, RS, Brazil
| | - Alfredo Antoniazzi
- Animal Reproduction Laboratory (BIOREP), Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Mauro A Cunha
- Department of Physiology and Pharmacology, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Bernardo Baldisserotto
- Department of Physiology and Pharmacology, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
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Maha IF, Xie X, Zhou S, Yu Y, Liu X, Zahid A, Lei Y, Ma R, Yin F, Qian D. Skin metabolome reveals immune responses in yellow drum Nibea albiflora to Cryptocaryon irritans infection. FISH & SHELLFISH IMMUNOLOGY 2019; 94:661-674. [PMID: 31521785 DOI: 10.1016/j.fsi.2019.09.027] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 08/28/2019] [Accepted: 09/12/2019] [Indexed: 06/10/2023]
Abstract
The yellow drum Nibea albiflora is less susceptible to Cryptocaryon irritans infection than is the case with other marine fishes such as Larimichthys crocea, Lateolabrax japonicus, and Pagrus major. To investigate further their resistance mechanism, we infected the N. albiflora with the C. irritans at a median lethal concentration of 2050 theronts/g fish. The skins of the infected and the uninfected fishes were sampled at 24 h and 72 h followed by an extensive analysis of metabolism. The study results revealed that there were 2694 potential metabolites. At 24 h post-infection, 12 metabolites were up-regulated and 17 were down-regulated whereas at 72 h post-infection, 22 metabolites were up-regulated and 26 were down-regulated. Pathway enrichment analysis shows that the differential enriched pathways were higher at 24 h with 22 categories and 58 subcategories (49 up, 9 down) than at 72 h whereby the differential enriched pathways were 6 categories and 8 subcategories (4 up, 4 down). In addition, the principal component analysis (PCA) plot shows that at 24 h the metabolites composition of infected group were separately clustered to uninfected group while at 72 h the metabolites composition in infected group were much closer to uninfected group. This indicated that C. irritans caused strong metabolic stress on the N. albiflora at 24 h and restoration of the dysregulated metabolic state took place at 72 h of infection. Also, at 72 h post infection a total of 17 compounds were identified as potential biomarkers. Furthermore, out of 2694 primary metabolites detected, 23 metabolites could be clearly identified and semi quantified with a known identification number and assigned into 66 Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways. Most of the enriched KEGG pathways were mainly from metabolic pathway classes, including the metabolic pathway, biosynthesis of secondary metabolites, taurine and hypotaurine metabolism, purine metabolism, linoleic acid metabolism, phenylalanine, tyrosine and tryptophan biosynthesis. Others were glyoxylate and dicarboxylate metabolism, glutathione metabolism, and alanine, aspartate, and glutamate metabolism. Moreover, out of the identified metabolites, only 6 metabolites were statistically differentially expressed, namely, L -glutamate (up-regulated) at 24 h was important for energy and precursor for other glutathiones and instruments of preventing oxidative injury; 15-hydroxy- eicosatetraenoic acid (15-HETE), (S)-(-)-2-Hydroxyisocaproic acid, and adenine (up-regulated) at 72 h were important for anti-inflammatory and immune responses during infection; others were delta-valerolactam and betaine which were down-regulated compared to uninfected group at 72 h, might be related to immure responses including stimulation of immune system such as production of antibodies. Our results therefore further advance our understanding on the immunological regulation of N. albiflora during immune response against infections as they indicated a strong relationship between skin metabolome and C. irritans infection.
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Affiliation(s)
- Ivon F Maha
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Collaborative Innovation Centre for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, 818 Fenghua Road, Ningbo, 315211, PR China; School of Marine Sciences, Ningbo University, 169 South Qixing Road, Ningbo, 315832, PR China
| | - Xiao Xie
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Collaborative Innovation Centre for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, 818 Fenghua Road, Ningbo, 315211, PR China; School of Marine Sciences, Ningbo University, 169 South Qixing Road, Ningbo, 315832, PR China
| | - Suming Zhou
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Collaborative Innovation Centre for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, 818 Fenghua Road, Ningbo, 315211, PR China; School of Marine Sciences, Ningbo University, 169 South Qixing Road, Ningbo, 315832, PR China
| | - Youbin Yu
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Collaborative Innovation Centre for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, 818 Fenghua Road, Ningbo, 315211, PR China; School of Marine Sciences, Ningbo University, 169 South Qixing Road, Ningbo, 315832, PR China
| | - Xiao Liu
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Collaborative Innovation Centre for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, 818 Fenghua Road, Ningbo, 315211, PR China; School of Marine Sciences, Ningbo University, 169 South Qixing Road, Ningbo, 315832, PR China
| | - Aysha Zahid
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Collaborative Innovation Centre for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, 818 Fenghua Road, Ningbo, 315211, PR China; School of Marine Sciences, Ningbo University, 169 South Qixing Road, Ningbo, 315832, PR China
| | - Yuhua Lei
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Collaborative Innovation Centre for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, 818 Fenghua Road, Ningbo, 315211, PR China; School of Marine Sciences, Ningbo University, 169 South Qixing Road, Ningbo, 315832, PR China
| | - Rongrong Ma
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Collaborative Innovation Centre for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, 818 Fenghua Road, Ningbo, 315211, PR China; School of Marine Sciences, Ningbo University, 169 South Qixing Road, Ningbo, 315832, PR China
| | - Fei Yin
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Collaborative Innovation Centre for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, 818 Fenghua Road, Ningbo, 315211, PR China; School of Marine Sciences, Ningbo University, 169 South Qixing Road, Ningbo, 315832, PR China.
| | - Dong Qian
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Collaborative Innovation Centre for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, 818 Fenghua Road, Ningbo, 315211, PR China; School of Marine Sciences, Ningbo University, 169 South Qixing Road, Ningbo, 315832, PR China.
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