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Protective Properties in Hymenaea martiana Hayne against Multi-drug-resistant Staphylococcus aureus

Veterinary Science Research 2020年第2期2卷 16-23页

作者： Dielson da Silva Vieira Tânia Maria Sarmento da Silva Timothy AHackett Marianade Barros Weslen Fabrício Pires Teixeira juliana campos pereira diniz Pedro HenriqueGorni Sanely Lourenço da Costa Maria Aparecida Scatamburlo Moreira MateusMatiuzzi da Costa Francisco Leydson Formiga Feitosa São Paulo State University“Júlio de Mesquita Filho”(UNESP) School of Veterinary MedicineAraçatubaSao PauloBrazil Federal Rural University of Pernambuco(UFRPE) Department of Molecular SciencesRecifePernambucoBrazil Department of Biochemistry University of Nebraska-LincolnLincolnNE68508USA Federal University of Viçosa(UFV) Veterinary DepartmentViçosaMinas GeraisBrazil Federal University of Vale do São Francisco(UNIVASF) Department of Animal SciencePetrolinaPernambucoBrazil University of West Paulista(UNOESTE) Department of AgronomyPresidente PrudenteSao PauloBrazil Federal University of Goiás(UFG) Department of Veterinary MedicineGoiâniaGoiásBrazil

Antibiotic resistance represents a widespread problem in milk *** identification of compounds for a topically applied ointment used in mastitis therapy remains *** from the genus Hymenaea can be administered in cases of multi-drugresistant Staphylococcus aureus infection for ruminant species,but the protective properties are not well *** this research the aim is verify the protective effects of *** against *** infection in bovine mammary epithelial cell line(MAC-T)and to obtain an antioxidant profile evaluation in *** MAC-T cells were challenged with *** after being exposed to the extract of the *** in the protective *** the verification of the viability of the MAC-T cells,the MTT assay was performed,and was used dilutions of the plant extract,starting at 2.5%.The extract of *** was evaluated for antioxidant aspect in different dilutions by FRAP,ORAC and DPPH.A variety of flavonoids(quercetin,luteolin,etc.)have been identified as the main components by using mass spectrometry,reinforcing our in vitro findings that flavonoids,especially quercetin,have a medicinal profile capable of killing mastitis-causing *** excellent antioxidant pattern was observed in the 2.5%solution;however,membrane integrity in MAC-T cells was *** findings suggest low dilutions of *** extract has a desirable protective effect from *** *** in vitro studies can be gleaned upon for further in vivo studies.

关键词： Dairy animal Fitoterapic Hymenaea gender Cell activity Mastitis

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Behavior of wood basic density according to environmental variables

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Journal of Forestry Research 2022年第2期33卷 497-505页

作者： Gabriel Marcos Vieira Oliveira JoséMárcio de Mello Carlos Rogério de Mello JoséRoberto Soares Scolforo Eder pereira Miguel Thiago campos Monteiro Brazil Institute of Agricultural and Forestry Defense of Espírito Santo(IDAF) Av.Lourival Lugon Moulinnº300CentroJerônimo MonteiroES CEP:29.550-000Brazil Department of Forestry Sciences Universidade Federal de Lavras-UFLACaixa Postal 3037LavrasMG CEP:37.200-000Brazil Engineering Department Universidade Federal de Lavras-UFLACaixa Postal 3037LavrasMG CEP:37.200-000Brazil Forestry Engineering Department Faculdade de TecnologiaUniversity of Brasilia-UnBCampus Universitário Darcy RibeiroCaixa Postal 4357Asa Norte-BrasíliaDF CEP:70910-900Brazil Department of Forestry Engineering and Technology Universidade Federal do Paraná-UFPRAv.Pref.Lothário Meissner632Jardim BotânicoCuritibaPR CEP:80.210-170Brazil

The relationships between climate conditions and wood density in tropical forests are still poorly *** quantify spatial dependence of wood density in the state of Minas Gerais(MG,Brazil),map spatial distribution of density,and correlate density with climate variables,we extracted data from the Forest Inventory of Minas Gerais for 1988 trees scaled throughout the territory and measured wood density of discs removed from the *** variables were extracted from the database of the Ecological-Economic Zoning of Minas *** spatial analysis,tree densities were measured at 44 georeferenced sampling *** data were subjected to exploratory analysis,variography,cross-validation,model selection,and ordinary *** relationships between wood density and environmental variables were calculated using dispersion matrices,linear correlation,and *** density proved to be highly spatially dependent,reaching a correlation of 96%,and was highly continuous over a distance of 228 *** distribution of wood density followed a continuous gradient of 514-659 kg m^(−3),enabling corre-lation with environment *** was correlated with mean annual precipitation(−0.57),temperature(0.63),and evapotranspiration(0.83).Geostatistical methods proved useful in predicting wood density in native tropical forests with different climate *** results confirmed the sensitivity of wood density to climate change,which could affect future carbon stock in forests.

关键词： Biomass Climate variables Geostatistics Hardwood Forest inventory Minas Gerais

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Trans-10,cis-12 conjugated linoleic acid reduces neutral lipid content and may affect cryotolerance of in vitro-produced crossbred bovine embryos

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Journal of Animal Science and Biotechnology 2014年第4期5卷 391-398页

作者： Ribrio Ivan Tavares pereira Batista Nadia Rezende Barbosa Raposo Paulo Henrique Almeida campos-Junior Michele Munk pereira Luiz Sergio Almeida Camargo Bruno campos Carvalho Marco Antonio Sundfeld Gama Joao Henrique Moreira Viana Federal University of Juiz de Fora Juiz de ForaMG 36036-900Brazil Embrapa Dairy Cattle Research Center Juiz de ForaMG 36038-330Brazil Federal University of Minas Gerais Belo HorizonteMG 31270-901Brazil

Background：Due to high neutral lipids accumulation in the cytoplasm,in vitro-produced embryos from Bos primigenius indicus and their crosses are more sensitive to chilling and cryopreservation than those from Bos primigenius *** objective of the present study was to evaluate the effects of trans-10,cis-12 conjugated linoleic acid（CLA） on the development and cryotolerance of crossbred Bos primigenius taurus x Bos primigenius indicus embryos produced in vitro,and cultured in the presence of fetal calf *** zygotes（n = 1,692）were randomly assigned to one of the following treatment groups：1） Control,zygotes cultured in Charles Rosenkrans 2 amino acid（CR2aa） medium（n = 815） or 2） CLA,zygotes cultured in CR2 aa medium supplemented with 100 μmol/L of trans-10,cis-12 CLA（n =877）.Embryo development（cleavage and blastocyst rates evaluated at days 3 and 8 of culture,respectively）,lipid content at morula stage（day 5） and blastocyst cryotolerance（re-expansion and hatching rates,evaluated 24 and 72 h post-thawing,respectively） were compared between ***,selected mRNA transcripts were measured by Real-Time PCR in blastocyst ***：The CLA treatment had no effect on cleavage and blastocyst rates,or on mRNA levels for genes related to cellular stress and *** the other hand,abundance of mRNA for the 1-acylglycerol-3-phosphate0-acyltransferase-encoding gene（AGPAT）,which is involved in triglycerides synthesis,and consequently neutral lipid content,were reduced by CLA treatment.A significant increase was observed in the re-expansion rate of embryos cultured with trans-10,cis-12 CLA when compared to control（56.3 vs.34.4%,respectively,P = 0.002）.However,this difference was not observed in the hatching rate（16.5 vs.14.0%,respectively,P=0.62）.Conclusions：The supplementation with trans-10,ds-12 CLA isomer in culture medium reduced the lipid content of in vitro produced bovine embryos by reducing the gene expression of 1-acylglycerol 3-phosphate 0

关键词： Blastocysts CLA Crossbred cattle Cryopreservation Lipid content

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Challenges of the Global COVID-19 Pandemic and Invasive Fungal Pathogens in SARS-COV-2 Associations: A Dangerous Relationship

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Advances in Microbiology 2023年第1期13卷 1-23页

作者： Alessandra Gomes Mariscal Beatriz Fernanda Siqueira Matias Cíntia Batista de Almeida Nadir Cléia Alves de Santana Simone Matos de campos Roseli de Souza Klaucia Rodrigues Vasconcelos Margareth Léa da Silva Maia Cristiane Coimbra de Paula diniz pereira Leite Júnior Faculdade EducareMT Cuiab&aacute Brazil Centro Universitá rio de Vá rzea Grande (UNIVAG) V&aacute rzea Grande Brazil Laborató rio Central de Saú de Pú blica do Estado de Mato Grosso (LACEN) Cuiab&aacute Brazil Instituto Ciê ncias Biomé dicas (ICB) Universidade de Sã o Paulo (USP) S&atilde o Paulo Brazil Laboratory Carlos Chagas Sabin Group Cuiab&aacute Brazil Instituto Adolfo Lutz Center of Parasitology and Micology Micology Nucleus S&atilde o Paulo Brazil Research Laboratory Medical School Universidade Federal de Mato Grosso (UFMT) Cuiab&aacute Brazil

Background: COVID-19 is a rapidly transmissible pneumonia-like illness caused by SARS-CoV-2 that out broke in China in 2019 and is currently circulating worldwide. In the current context of the SARS-CoV-2 pandemic, complications are observed in clinical settings for the treatment of severe COVID-19 disease in nosocomial settings, due to cases of fungal co-infections. Objective: To carry out a review on fungal infections associated with respiratory infections caused by COVID-19 (Sars-Cov-2) and their aggravation. Methodology: The purpose of this study is to inform the reader about the characteristics of SARS-CoV-2 and the main fungal species that are affecting patients undergoing treatment for severe COVID-19, provoking discussion of the importance of the proposed topic, in relation to co-infections by different fungal microorganisms. Result: 80 scientific studies were selected, resulting from patients with COVID-19 and most commonly observed in patients with a history of comorbidities such as diabetes mellitus, hypertension, kidney disease, severe liver disease, oncological diseases, obesity and with severe COVID-19. These data do not represent the total number of records of the disease in the world, but cases reported by researchers in their series, showing the overlapping of fungal co-infection through the compromised immune status due to the use of therapeutic drugs, dysregulation of the microbiota, age of patients and the severity itself of the severe inflammation caused by COVID-19. Conclusion: The immunosuppression caused by the infection of COVID-19 concomitant with its therapy through corticosteroid therapy and comorbidities of the patients made fungal infections more susceptible, and these interfere in the evolution of the case and in the treatment of COVID-19, being relevant to distinguish secondary infections to therapy and the best possible reconstitution of the clinical picture.

关键词： Fungal Coinfections COVID-19 Coronavirus Systematic Review

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Flight performance and wing morphology in the bat Carollia perspicillata:biophysical models and energetics

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Integrative Zoology 2023年第5期18卷 876-890页

作者： Lucas de Oliveira CARNEIRO Breno MELLADO Marcelo Rodrigues NOGUEIRA Ariovaldo pereira da CRUZ-NETO Leandro Rabello MONTEIRO Laboratório de Ciências Ambientais Centro de Biociências e BiotecnologiaUniversidade Estadual do Norte FluminenseCampos dos GoytacazesRio de JaneiroBrasil Departamento de Biodiversidade Universidade Estadual PaulistaRio ClaroSão PauloBrasil

Studies on functional performance are important to understand the processes responsible for the evolution of *** trait variation within species influences the energetic cost of locomotion and impacts life history traits,with ecological and evolutionary *** study examined wing morphology correlates of flight performance measured by energetic expenditure in the Seba’s short-tailed bat,Carollia *** the flight experiments,nature caught bats(59 females,57 males)were allowed to fly for 3 min in a *** each flight,thermographic images were taken to measure body temperature,and biophysical models were used to calculate sensible heat loss as a measure of energetic *** morphological traits were measured for each individual and associated with heat loss and power required to fly on performance *** morphological traits explained 7-10%of flight energetic cost,and morphologies with the best performance would save the energy equivalent to 9-30%of total daily *** optimal performance areas within the *** morphospace were consistent with predicted selection trends from the literature.A trade-off between demands for flight speed and maneuverability was *** loading and camber presented sexual *** morphological differences are likely associated with more economical but less maneuverable flight in females,leading them to fly more often in open areas along the forest *** findings demonstrate how small scale changes in wing morphology can affect life history strategies and fitness.

关键词： aerodynamics Chiroptera infrared thermography performance surfaces Phyllostomidae wing morphometrics

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Effects of quantitative feed restriction and sex on carcass traits,meat quality and meat lipid profile of Morada Nova lambs

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Journal of Animal Science and Biotechnology 2017年第4期8卷 992-1003页

作者： Thiago L.A.C.de Araújo Elzania S.pereira Ivone Y.Mizubuti Ana C.N.campos Marília W.F.pereira Eduardo L.Heinzen Hilton C.R.Magalhaes Leilson R.Bezerra Luciano P da Silva Ronaldo L.Oliveira Department of Animal Science Federal University of CearaFortaleza 60356001CearaBrazil Department of Animal Science State University of LondrinaLondrina 86051990ParanáBrazil Laboratory of Sensory Analysis Agency for Agricultural Research(EMBRAPA-Tropical Agroindustry)Fortaleza 60511110CearáBrazil Department of Animal Science Campus Professora Cinobelina ElvasFederal University of PiauíBom Jesus 64900000PiauiBrazil Department of Animal Science School of Veterinary Medicine and Animal Science/Federal University of BahiaSalvador CityBahia State 40.170-110Brazil

Background: An experiment was conducted to evaluate the effects of feed restriction(FR) and sex on the quantitative and qualitative carcass traits of Morada Nova lambs. Thirty-five animals with an initial body weight of 14.5 ± 0.89 kg and age of 120 d were used in a completely randomized study with a 3 × 3 factorial scheme consisting of three sexes(11 entire males, 12 castrated males and 12 females) and three levels of feeding(ad libitum – AL and 30% and 60% FR).Results: Entire males presented greater hot and cold carcass weights(P 0.05) concentrations, and the concentrations of palmitic acid, palmitoleic acid, stearic acid, oleic acid and conjugated linoleic acid were higher(P < 0.05) than those of animals with 60% FR. The meat of females had a higher ω6/ω3 ratio and lower h/H ratio, and females had greater levels of feeding. The meat of animals on the 60% FR diet had a greater ω6/ω3 ratio, lower h/H ratio and lower concentration of desirable fatty acids in addition to a greater atherogenicity index(AI) and thrombogenicity index(TI).Conclusion: Lambs of different sexes had carcasses with different quantitative traits without total influence on the chemical and physical meat characteristics. The lipid profile of the meat was less favorable to consumer health when the animals were female or submitted to 60% feed restriction.

关键词： Dietary restriction Fatty acid Hair sheep Lean meat Semi-arid condition

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Serological evidence of Toxoplasma gondii infection as potential risk for the development of lepromatous leprosy in an endemic area for both neglected tropical diseases in Brazil

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Infectious Diseases of Poverty 2020年第1期9卷 36-45页

作者： Luciana Regina pereira Oliveira Lívia Mattos Martins Rebeka da Conceição Souza Yuri Scheidegger de Castro Letícia Silva Nascimento juliana Azevedo da Silva Edilbert Pellegrini Nahn Junior Wilmar Dias da Silva Alba Lucínia Peixoto-Rangel Laboratory of Recognition Biology Center of Biosciences and BiotechnologyState University of Northern Rio de JaneiroCampos dos GoytacazesRJBrazil campos Medical School Campos dos GoytacazesRJBrazil Laboratory of Immunochemistry Butantan InstituteSão PauloSPBrazil

Background:Mycobacterium leprae and Toxoplasma gondii infections are both neglected tropical diseases highly prevalent in *** with certain parasite species can significantly alter susceptibility to other important pathogens,and/or influence the development of *** we investigated the possible influence of ***/*** co-parasitism on the manifestation of leprosy and its clinical ***:Participants(n=291)were recruited in campos dos Goytacazes city,Rio de Janeiro state,southeast Brazil,from August 2015 to December 2019 and clinically diagnosed for *** were selected based on the presence(patients)or absence(healthy controls)of the leprosy *** of patients were also recruited for this *** samples from patients(n=199)with leprosy,contacts(n=40)and healthy controls(n=52)were investigated for levels of IgM and IgG anti-phenolic glycolipid-1(PGL-1)by ***,IgG antibody against soluble Toxoplasma antigen(STAg)was measured in sera samples from leprosy patients,contacts and healthy controls for Toxoplasma gondii serology by ***-PGL-1 IgG and IgM levels were compared using one-way ANOVA Kruskal-Wallis or Mann-Whitney,while Spearman test was used to correlate levels of IgG anti-STAg and IgM/IgG anti-PGL-1 from seropositive and seronegative individuals for *** *** risk of *** infection for leprosy disease was assessed using Fisher’s ***:Levels of IgM anti-PGL-1 antibodies were significantly higher in multibacillary(MB)patients compared to paucibacillary(PB)patients(P=0.0068).Higher IgM and IgG levels anti-PGL-1 were detected in patients with the lepromatous *** serologic prevalence for *** infection was 74.9%.We detected increased anti-STAg antibody levels in leprosy patients(79.4%),reaching 88.8%within those with lepromatous form of this *** leprosy risk increase in *** seropositive individuals was two-fold(odds ratio[OR]=2.055;95% c

关键词： Leprosy Toxoplasmosis Coinfection Co-immunomodulation Immunoglobulins Immune response

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Polyphenols in Fruits and Vegetables and Its Effect on Human Health

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Food and Nutrition Sciences 2014年第11期5卷 1065-1082页

作者： Giuseppina Pace pereira Lima Fabio Vianello Camila Renata Corrêa Renê Arnoux da Silva campos Milena Galhardo Borguini Department of Chemistry and Biochemistry Sao Paulo State UniversityUNESPBotucatuSao PauloBrazil Department of Comparative Biomedicine and Food Science University of PadovaPadovaItalia Department of Internal Medicine Botucatu Medical SchoolSao Paulo State UniversityUNESPBotucatuSao PauloBrazil

Polyphenols represent a group of chemical substances common in plants, structurally characterized by the presence of one or more phenol units. Polyphenols are the most abundant antioxidants in human diets and the largest and best studied class of polyphenols is flavonoids, which include several thousand compounds. Numerous studies confirm that they exert a protective action on human health and are key components of a healthy and balanced diet. Epidemiological studies correlate flavonoid intake with a reduced incidence of chronic diseases, such as cardiovascular disease, diabetes and cancer. The involvement of reactive oxygen species (ROS) in the etiology of these degenerative conditions has suggested that phytochemicals showing antioxidant activity may contribute to the prevention of these pathologies. The present review deals with phenolic compounds in plants and reports on recent studies. Moreover, the present work includes information on the relationships between the consumption of these compounds, via feeding, and risk of disease occurrence, i.e. the effect on human health. Results obtained on herbs, essential oils, from plants grown in tropical, subtropical and temperate regions, were also reported.

关键词： Fruits Vegetables Consume Effect on Human Phenolic Content Thermal Processing Absorption

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Comparison of morphological and functional outcomes of mouse sciatic nerve repair with three biodegradable polymer conduits containing poly (lactic acid)

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Neural Regeneration Research 2018年第10期13卷 1811-1819页

作者： Fernanda Marques Pestana Rui C.C.Domingues Júlia Teixeira Oliveira Daniela F.P.A.Durco Camila Oliveira Goulart Henrique Rocha Mendonca Anne Caroline Rodrigues dos Santos Natália Tavares de campos Beatriz Theodoro da Silva Cristina Cardoso pereira Cristiano Piacsek Borges Ana Maria Blanco Martinez Pós Graduacao em Ciências Morfológicas Instituto de Ciências Biomédicas-UFRJRio de Janeiro RJ Brazil Anatomia Patológica-Faculdade de Medicina-HUCFF-UFRJ Rio de Janeiro RJ Brazil Laboratório de Neurodegeneracao e Reparo-Faculdade de Medicina-HUCFF-UFRJ Rio de Janeiro RJ Brazil Programa de Eng. Química COPPE-UFRJRio de Janeiro Brazil Polo Universitário de Macaé Laboratório Integrado de Produtos Bioativos e BiociênciasMacaê UFRJ Brazil

Poly（lactic acid）（PLA）-containing nerve guidance conduits（NGCs） are currently being investigated for nerve repair as an alternative to autograft, which leads to permanent functional impairment in the territory innervated by the removed nerve. Combination of polymers modifies the physical properties of the conduits, altering their nerve-guidance properties. Conduits made from PLA-only or combined with other polymers have been used successfully for nerve repair, but their efficiency has not been compared. We compared the morphological and functional outcomes of peripheral nerve repair by using NGCs made of poly（lactic acid） and combined or not with polycaprolactone（PLA/PCL） or polyvinylpyrrolidone（PLA/PVP）. To assess the functional recovery, we employed a mechanical hyperalgesia analysis, sciatic functional index（SFI）, and electroneuromyography. The mechanical hyperalgesia analysis showed that the PLA group improved more rapidly than the PLA/PVP and PLA/PCL groups; similarly, in the electroneuromyography assay, the PLA group exhibited higher amplitude than the PLA/PCL and PLA/PVP groups. However, the SFI improvement rates did not differ among the groups. Morphologically, the PLA group showed more vascularization, while the nerve fiber regeneration did not differ among the groups. In conclusion, the PLA-only conduits were superior to the other NGCs tested for nerve repair.

关键词： sciatic nerve tubulization biodegradable conduit poly(lactic acid) regeneration

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Analysis of the Liver of Fish Species <i>Prochilodus lineatus</i>Altered Environments, Analyzed with ImageJ

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Microscopy Research 2017年第1期5卷 1-9页

作者： Vanessa Ellen Wendt campos Bruno Fiorelini pereira Dimítrius Leonardo Pitol Rebeca Mamede da Silva Alves Flavio Henrique Caetano Department of Biology Institute of Biosciences Rio Claro Sao Paulo State University Sao Paulo Brazil Universidade Federal do Oeste da Bahia Barreiras-BA Brazil Department of Morphology Physiology and Basic Pathology School of Dentistry of Ribeirao Preto University of Sao Paulo Sao Paulo Brazil

The fish Prochilodus lineatus (Characiformes, Prochilodontidae), in addition to being a good bioindicator, is also of economic and ecological importance with a broad distribution in the neotropics. Ecotoxicology examines the interaction between environmental chemistry and biota;and in this study we assess alterations of bile and glycogen levels in the fish liver, organ responsible for detoxification, biotransformation and storing nutrients, such as glycogen, and for secreting bile. Fish were separated in three groups to examine the damage caused by the exposure to waters from Lago Azul-Rio Claro-SP and containing diluted biodegradable detergents in comparison to a control group (chlorinated water from an artesian well of UNESP-Campus Rio Claro). A histological analysis was performed on HE and PAS stained sections. The identification of structural changes and the assessment of the area occupied by bile and glycogen were carried out with the software ImageJ, showing that the liver was affected morphologically (cell vacuolization, peripherals nuclei, for example) and problems in bile release and production and storage of glycogen.

关键词： Liver Glycogen Bile Prochilodus lineatus

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