Uncaria tomentosa increases growth and immune activity in Oreochromis niloticus challenged with Streptococcus agalactiae

Yunis‐Aguinaga, Jefferson; Claudiano, Gustavo da Silva; Marcusso, Paulo Fernandes; Manrique, Wilson Gómez; Moraes, Julieta Rodini Engrácia de; Moraes, Flávio Ruas de; Fernandes, João Batista Kochenborger

doi:10.1016/j.fsi.2015.09.051

Cited by 19 publications

(17 citation statements)

References 51 publications

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“…Hence, MMCs are useful response (effect) biomarkers of exposure to environmental pollutants (Agius, ; Agius & Roberts, , ; Fishelson, ; Passantino et al, ). Moreover, changes in the MMC characteristics of several cultured fish species as a result of dietary manipulations (Phromkunthong, Nuntapong, Wanlem, & Boonyaratpalin, ), exposure to infectious agents (Yunis‐Aguinaga et al, ; Zhang et al, ) and mere captivity‐induced stress (Evans & Nowak, ) have been documented.…”

Section: Introductionmentioning

confidence: 99%

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Increased melanomacrophage centres in the liver of reproductively dysfunctional female greater amberjack Seriola dumerili (Risso, 1810)

Passantino

Zupa

Pousis

et al. 2020

Journal of Fish Diseases

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The greater amberjack Seriola dumerili is a new aquaculture fish that may display reproductive dysfunctions. During extensive follicular atresia, which is a common reproductive dysfunction in females during vitellogenesis, part of the reabsorbed yolk returns to the liver to be metabolized and recycled. Melanomacrophage centres (MMCs) are aggregates of macrophage‐like cells that play a role in the destruction, detoxification and recycling of endogenous and exogenous materials, and have been associated with systemic stress. Wild and captive‐reared greater amberjack were sampled in the Mediterranean Sea during two different phases of the reproductive cycle. The liver of reproductively dysfunctional captive‐reared females sampled during the spawning season showed a high density of both MMCs and apoptotic cells. A weak liver anti‐cytochrome P450 monooxygenase 1A immunoreactivity was observed, suggesting that the examined fish were not exposed to environmental pollutants. We propose that the observed increase in MMCs and apoptosis in captive‐reared fish was related to the hepatic overload associated to the metabolism of yolk proteins reabsorbed during extensive follicular atresia. Since follicular atresia is a frequent physiological and pathological event in teleosts, we suggest that the reproductive state should be always assessed when MMCs are used as markers of exposure to stress or pollutants.

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Section: Introductionmentioning

confidence: 99%

“…Moreover, changes in the MMC characteristics of several cultured fish species as a result of dietary manipulations (Phromkunthong, Nuntapong, Wanlem, & Boonyaratpalin, 2015), exposure to infectious agents (Yunis-Aguinaga et al, 2015;Zhang et al, 2014) and mere captivity-induced stress (Evans & Nowak, 2016) have been documented.…”

mentioning

confidence: 99%

Increased melanomacrophage centres in the liver of reproductively dysfunctional female greater amberjack Seriola dumerili (Risso, 1810)

Passantino

Zupa

Pousis

et al. 2020

Journal of Fish Diseases

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“…The experimental diets were prepared with local ingredients containing 0 (control group); 50; 100; 250; and 500 mg of camu camu Kg À1 of feed. The basal diet [13] were mixed mechanically and extruded through a 1 mm die. After extrusion, the extract of camu camu was incorporated by spraying.…”

Section: Diet Preparationmentioning

confidence: 99%

“…The methodology used in this assay was described previously by Yunis-Aguinaga et al [13]. The swim bladder was the organ chooses to inoculate the bacteria and collect the exudate due to its properties [19].…”

Section: Induction and Evaluation Of Acute Aerocystitismentioning

confidence: 99%

Dietary camu camu, Myrciaria dubia, enhances immunological response in Nile tilapia

Yunis‐Aguinaga¹,

Fernandes

Eto

et al. 2016

Fish & Shellfish Immunology

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Camu camu, Myrciaria dubia, is an Amazon plant that presents high levels of vitamin C in its composition. Several studies in animals and humans have demonstrated their efficiency in the prevention and treatment of various diseases. However, there are no reports of its properties in fish. The aim of this study was to evaluate the effect of the oral administration of the extract of this plant in the immune parameters in Nile tilapia, Oreochromis niloticus. 400 Nile tilapia (80 ± 5 g) were randomly distributed into 20 tanks with 1500 L capacity each (20 fish/tank). After a week of adaptation to environmental conditions, it was provided a diet for 5 weeks, using different levels of inclusion of camu camu extract: 0, 50, 100, 250, and 500 mg/kg of feed. Each treatment consisted of four replicates. It was obtained 40.5 mg of vitamin C/g of camu camu pulp powder by high-performance liquid chromatography. At the end of the trial period, fish were inoculated with Aeromonas hydrophila in the swim bladder. Samples were taken after 6; 24 and 48 h of the challenge. Results revealed that fish supplemented with this herb showed significant increase (P < 0.05) in white blood cells counts in blood and exudate, burst respiratory activity, lysozyme activity, serum bactericidal activity, direct agglutination, and melanomacrophage centers count. Red blood cells count, hemoglobin, hematocrit, and biochemical profile of fish supplemented with the herb presented no statistical differences compared to control group (P > 0.05). No histopathological lesions were observed in intestine, kidney, spleen, and gills. It can be concluded that the addition of Myrciaria dubia in tilapia feed improves the immune response and the growth after 5 weeks, especially, at a dose of 500 mg/kg.

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“…There are several studies about the effect of feed supplementation on growth, survival rate, immune parameters, and disease resistance of fish (AKHTER et al, 2015;YUNIS-AGUINAGA et al, 2015DAWOOD;KOSHIO, 2016). However, studies on the implications of feed supplementation on wound healing in fish are scarce.…”

Section: Introductionmentioning

confidence: 99%

Wound healing in Piaractus mesopotamicus supplemented with chromium carbochelate and Saccharomyces cerevisiae

Bortoluzzi

Castro

Claudiano

et al. 2017

Braz. J. Vet. Res. Anim. Sci.

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Wound healing and tissue repair are necessary to ensure survival and health of any organism. The aim of this study was to investigate the impact of supplementation with chromium carbochelate (CC) and Saccharomyces cerevisiae (SC) on wound healing in tropical teleost fish Piaractus mesopotamicus. Thus, fish were distributed into four groups: a) control (without supplementation); b) supplemented with 18 mg/kg of chromium carbochelate; c) supplemented with 0.3% of S. cerevisiae and d) supplemented with an association of both supplements. After 105 days of feeding, full-thickness skin incisions (2.0 x 1.0 x 0.25 cm) were performed removing epidermis and dermis. Macroscopic and histologic observations were carried out at 1, 3, 7, 14, 21, 28, and 35 days after wounding to monitor the healing rate. Opposing fronts advanced gradually and faster each day demonstrating a progressive increase in the healing process over time. The inflammatory process was exacerbated and expansive, with an increase in mucous cells and chromatophores. Although no significant differences were observed between groups on wound retraction and microscopic parameters, fish supplemented with CC and SC showed faster re-epithelialization, greater degree of organization of collagen fibers, and higher neovascularization. We concluded that supplementation with S. cerevisiae and chromium carbochelate improves specific aspects of cutaneous healing process in pacu. Keywords: Tissue repair. Chromium carbochelate. Saccharomyces cerevisiae. Freshwater fish. Pacu. ResumoA cicatrização e reparação de tecidos são mecanismos essenciais para garantir a sobrevivência e saúde de qualquer indivíduo. O objetivo deste trabalho foi avaliar o impacto da suplementação com carboquelato de cromo (CC) e Saccharomyces cerevisiae (SC) sobre a cicatrização no peixe tropical Piaractus mesopotamicus. Para isto, os peixes foram distribuídos em quatro grupos: controle (sem tratamento), suplementados com 18 mg/kg de carboquelato de cromo, 0,3% de S. cerevisiae e associação de ambos os suplementos. Após 105 dias de alimentação, foram realizadas incisões na pele de espessura completa (2,0 x 1,0 x 0,25 cm) removendo epiderme e derme. Avaliações macroscópicas e microscópicas foram realizadas 1, 3, 7, 14, 21, 28 e 35 dias após a indução das feridas, para monitorar a taxa de cicatrização. As bordas opostas das feridas avançaram gradualmente a cada dia, demonstrando o aumento progressivo do processo de cicatrização ao longo do tempo. O processo inflamatório foi exacerbado e expansivo, com aumento no número de células mucosas e cromatóforos. Apesar deste processo, não foram observadas diferenças significativas na retração das feridas e nos parâmetros microscópicos entre os grupos. Peixes suplementados com CC ou Sc apresentaram rápida reepitelização, maior grau de organização de fibras colágenas e de neovascularização inicial. Concluiu-se que a suplementação com S. cerevisiae ou carboquelato de cromo melhora aspectos específicos do processo cicatricial no pacu. Palavras-chave: Reparo...

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Uncaria tomentosa increases growth and immune activity in Oreochromis niloticus challenged with Streptococcus agalactiae

Cited by 19 publications

References 51 publications

Increased melanomacrophage centres in the liver of reproductively dysfunctional female greater amberjack Seriola dumerili (Risso, 1810)

Increased melanomacrophage centres in the liver of reproductively dysfunctional female greater amberjack Seriola dumerili (Risso, 1810)

Dietary camu camu, Myrciaria dubia, enhances immunological response in Nile tilapia

Wound healing in Piaractus mesopotamicus supplemented with chromium carbochelate and Saccharomyces cerevisiae

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