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da Rocha AB, de Aquino Saraiva R, de Siqueira VM, Yogui GT, de Souza Bezerra R, de Assis CRD, Sousa MSB, de Souza Buarque D. Shrimp laccase degrades polycyclic aromatic hydrocarbons from an oil spill disaster in Brazil: A tool for marine environmental bioremediation. Mar Pollut Bull 2023; 194:115445. [PMID: 37639916 DOI: 10.1016/j.marpolbul.2023.115445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 06/19/2023] [Accepted: 08/20/2023] [Indexed: 08/31/2023]
Abstract
Our work aims to purify, characterize and evaluate a laccase from by-products of the shrimp farming industry (Litopenaeus vannamei) for the degradation of Polycyclic Aromatic Hydrocarbons (PAHs) from 2019 oil spill in Brazilian coast. The enzyme was purified by affinity chromatography and characterized as thermostable, with activity above 90 °C and at alkaline pH. In addition, the laccase was also tolerant to copper, lead, cadmium, zinc, arsenic, hexane and methanol, with significant enzymatic activation in acetone and 10 mM mercury. Concerning PAHs' degradation, the enzyme degraded 42.40 % of the total compounds, degrading >50 % of fluorene, C4-naphthalenes, C3-naphthalenes, C2-naphthalenes, anthracene, acenaphthene, 1-methylnaphthalene and 2-methylnaphthalene. Thus, this laccase demonstrated important characteristics for bioremediation of marine environments contaminated by crude oil spills, representing a viable and ecological alternative for these purposes.
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Affiliation(s)
- Amanda Barbosa da Rocha
- Universidade Federal Rural de Pernambuco, Unidade Acadêmica de Serra Talhada, Pernambuco, Fazenda Saco, s/n, Serra Talhada, PE 55608-680, Brazil; Programa de Pós-graduação em Biodiversidade e Conservação, UFRPE/UAST, 55608-680, Brazil
| | - Rogério de Aquino Saraiva
- Programa de Pós-graduação em Biodiversidade e Conservação, UFRPE/UAST, 55608-680, Brazil; Universidade Federal do Cariri, Campus Brejo Santo, Brejo Santo, Ceará 63048-080, Brazil
| | - Virgínia Medeiros de Siqueira
- Programa de Pós-graduação em Biodiversidade e Conservação, UFRPE/UAST, 55608-680, Brazil; Departamento de Biologia, Universidade Federal Rural de Pernambuco, Recife, Pernambuco 52171-900, Brazil.
| | - Gilvan Takeshi Yogui
- Departamento de Oceanografia, Universidade Federal de Pernambuco, Recife, Pernambuco 50740-550, Brazil.
| | - Ranilson de Souza Bezerra
- Departamento de Bioquímica, Universidade Federal de Pernambuco, Recife, Pernambuco 50670-901, Brazil
| | | | | | - Diego de Souza Buarque
- Universidade Federal Rural de Pernambuco, Unidade Acadêmica de Serra Talhada, Pernambuco, Fazenda Saco, s/n, Serra Talhada, PE 55608-680, Brazil; Programa de Pós-graduação em Biodiversidade e Conservação, UFRPE/UAST, 55608-680, Brazil.
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Alves DVDS, Sousa MSB, Tavares MGB, Batista-de-Oliveira Hornsby M, Amancio-Dos-Santos A. Coconut oil supplementation during development reduces brain excitability in adult rats nourished and overnourished in lactation. Food Funct 2021; 12:3096-3103. [PMID: 33720258 DOI: 10.1039/d1fo00086a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
INTRODUCTION Coconut oil has been considered as a therapeutic alternative in several pathologies, but there is limited information regarding its effects on brain functioning. OBJECTIVE This study analyzed whether early virgin coconut oil (VCO) supplementation interferes with electrical activity of the adult rat brain and its lipid peroxidation. Moreover, it investigated whether the putative effect on brain electrophysiology could be affected by overnutrition occurring during lactation, and/or by environmental enrichment (EE). Electrophysiology was measured through cortical spreading depression (CSD), a phenomenon related to brain excitability. METHODS Wistar rats were suckled in litters of either nine or three pups, forming nourished (N) or overnourished (ON) groups, respectively. Between the 7th and 30th days of life, half of the animals in each group received VCO (10 mg kg-1 d-1; by gavage). The other half received an equivalent amount of vehicle (V, 0.009% cremophor). On day 36, animals from both groups were subjected to EE for 4 weeks. At 105 ± 15 days of life, each animal was subjected to CSD recordings and lipid peroxidation analyses. RESULTS Overnutrition during lactation enhanced body and brain weights. VCO decelerated the CSD propagation velocity (control - 3.57 ± 0.23 mm min-1versus VCO - 3.27 ± 0.18 mm min-1; p < 0.001), regardless of whether subjected to overnourishment or EE exposure. Neither VCO nor EE modified the cerebral lipid peroxidation (p > 0.05). CONCLUSION VCO supplementation impaired the spreading of CSD, indicating reduction of brain excitability. VCO effects occurred regardless of the nutritional state during lactation.
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Sousa MSB, Alves DVDS, Monteiro HMC, Gomes DA, Lira EC, Amancio-Dos-Santos A. Sepsis impairs the propagation of cortical spreading depression in rats and this effect is prevented by antioxidant extract. Nutr Neurosci 2021; 24:130-139. [PMID: 31030633 DOI: 10.1080/1028415x.2019.1602987] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Sepsis is a clinical syndrome with high morbidity and mortality. It is characterized by acute inflammatory response and oxidative stress, which is implicated in cerebral dysfunction. Murici (Byrsonimacrassifolia (L.) Kunth) is a fruit rich in antioxidant compounds, which could be an alternative to prevent damage to tissues induced by sepsis . Here, we evaluated the effects of sepsis on the propagation of cortical spreading depression (CSD) and oxidative stress, and tested the action of murici antioxidant extract in prevention against the effect of sepsis. Male Wistar rats (90-210 days, n = 40) were previously supplemented, orogastrically, with murici extract (150 mg/kg/day or 300 mg/kg/day), or an equivalent volume of the vehicle solution, for fifteen days. Then the animals were subjected to experimental sepsis through cecal ligation and perforation (CLP). Subsequently, CSD recordings were obtained and brain oxidative stress was evaluated. Sepsis decelerated CSD and increased the malondialdehyde (MDA) levels in the brain cortex of the animals. In contrast, septic rats that had been previously supplemented with murici antioxidant extract in doses of 150 and 300 mg/kg/day showed an increase in CSD propagation velocity, low levels of MDA and GSH/GSSG ratio and an increase of superoxide dismutase (SOD) activity, regardless of the dose tested. Our results demonstrate that sepsis affects brain excitability and that this effect can be prevented by murici antioxidant extract. The effects of sepsis and/or murici extract on CSD may be due to the oxidative state of the brain.
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Affiliation(s)
| | | | | | | | - Eduardo Carvalho Lira
- Departamento de Fisiologia e Farmacologia, Centro de Biociências, UFPE, Recife, Brazil
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Alves DVDS, Sousa MSB, Tavares MG, Santos LGCD, Batista-de-Oliveira-Hornsby M, Amancio-Dos-Santos A. Environmental enrichment reduces brain excitability in adult rats overnourished during lactation. Arq Neuropsiquiatr 2019; 77:555-559. [PMID: 31508681 DOI: 10.1590/0004-282x20190083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Accepted: 04/09/2019] [Indexed: 11/22/2022]
Abstract
OBJECTIVE This study aimed to analyze whether exposure to environmental enrichment (EE) during the juvenile phase of life interferes with the electrical activity of the adult rat brain. In addition, the present research also investigated whether this putative effect on brain electrical activity could be affected by prior overnutrition during lactation. Electrophysiology was measured through cortical spreading depression (CSD), a phenomenon related to brain excitability. METHODS Wistar rats were suckled in litters of either nine or three pups, forming the nourished (N) or overnourished (ON) groups, respectively. At 36 days old, half of the animals from each nutritional condition were exposed to EE. The other half was kept in the standard environment (SE). At 90-120 days of life, each animal was anesthetized for CSD recordings. RESULTS Overnutrition during lactation caused increases (p < 0.05) in body and brain weights. The EE decelerated CSD propagation velocity regardless of nutritional state during lactation (p < 0.001). The CSD deceleration in the N-EE group was 23.8% and in the ON-EE group was 15% in comparison with the N-SE and ON-SE groups, respectively. CONCLUSION Our data demonstrated that EE exposure in the juvenile phase of the rat's life reduced brain excitability, and this effect was observed even if animals were overnourished during lactation. An EE could be considered an adjuvant therapeutic resource to modulate brain excitability.
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Affiliation(s)
| | | | - Maryane Gabriela Tavares
- Universidade Federal de Pernambuco, Centro de Ciências da Saúde, Departamento de Nutrição, Recife PE, Brasil
| | | | | | - Angela Amancio-Dos-Santos
- Universidade Federal de Pernambuco, Centro de Biociências, Departamento de Fisiologia e Farmacologia, Recife PE, Brasil
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Monteiro HMC, de Mendonça DC, Sousa MSB, Amancio-dos-Santos A. Physical exercise counteracts the increase in velocity of propagation of cortical spreading depression imposed by early over-nutrition in rats. Nutr Neurosci 2018; 23:161-169. [DOI: 10.1080/1028415x.2018.1481180] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
| | - Débora Carneiro de Mendonça
- Departamento de Fisiologia e Farmacologia, Centro de Biociências, Universidade Federal de Pernambuco, Recife, PE 50740-600, Brazil
| | - Mariana Séfora Bezerra Sousa
- Departamento de Nutrição, Centro de Ciências da Saúde, Universidade Federal de Pernambuco, Recife, PE 50670-901, Brazil
| | - Angela Amancio-dos-Santos
- Departamento de Fisiologia e Farmacologia, Centro de Biociências, Universidade Federal de Pernambuco, Recife, PE 50740-600, Brazil
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Sousa MSB, Holanda IMSD, Monteiro HMC, Amâncio-dos-Santos Â. Antioxidant extract counteracts the effects of aging on cortical spreading depression and oxidative stress in the brain cortex. Acta Cir Bras 2018; 33:472-482. [DOI: 10.1590/s0102-865020180060000001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Accepted: 05/12/2018] [Indexed: 11/22/2022] Open
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Mirelle Costa Monteiro H, Lima Barreto-Silva N, Elizabete dos Santos G, de Santana Santos A, Séfora Bezerra Sousa M, Amâncio-dos-Santos Â. Physical exercise versus fluoxetine: Antagonistic effects on cortical spreading depression in Wistar rats. Eur J Pharmacol 2015; 762:49-54. [DOI: 10.1016/j.ejphar.2015.05.027] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2015] [Revised: 05/11/2015] [Accepted: 05/18/2015] [Indexed: 12/21/2022]
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Silva CPD, Sousa MSB, Siguemoto ÉS, Soares RAM, Arêas JAG. Chemical composition and antioxidant activity of jatobá-do-cerrado (Hymenaea stigonocarpa Mart.) flour. ACTA ACUST UNITED AC 2014. [DOI: 10.1590/1678-457x.6405] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Angelis-Pereira MCD, Barcelos MDFP, Sousa MSB, Pereira JDAR. Effects of the kefir and banana pulp and skin flours on hypercholesterolemic rats. Acta Cir Bras 2014; 28:481-6. [PMID: 23842927 DOI: 10.1590/s0102-86502013000700001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2013] [Accepted: 06/13/2013] [Indexed: 12/29/2022] Open
Abstract
PURPOSE To investigate the effect of kefir and banana pulp and skin flours on the serum levels of total cholesterol, HDL-c, LDL-c and triacylglycerols in rats fed cholesterol-rich diet. METHODS Thirty Male Wistar rats were used. In the first 21 days, the animals were fed purified hypercholesterolemic diets, except the standard group. In the next 21 days, the animals were given modified diets: Group GC: standard diet AIN-93G; Group HIP: hypercholesterolemic diet; Group F: hypercholesterolemic diet added of 1% of banana skin flour and 7% of banana pulp flour; Group Q: hypercholesterolemic diet plus kefir suspension by oral infusion (1.5 ml/animal); Group FQ: hypercholesterolemic diet added of 1% banana skin flour and 7% of banana pulp flour plus kefir suspension (1.5 ml/animal). RESULTS In spite of the high fiber content, the addition of banana pulp (7%) and skin (1%) flour did not alter the plasma levels of total cholesterol, HDL-c and LDL-c. However, they reduced the TG levels in 22%. Already fermented kefir reduced significantly the levels of VLDL, LDL-c and triacylglycerols, in addition to having increased HDL-c. However, it was not possible to verify the symbiotic effect between both. CONCLUSION The results reinforce the beneficial effects of kefir in reducing the risks of cardiovascular diseases.
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