Your browser doesn't support javascript.
loading
Show: 20 | 50 | 100
Results 1 - 20 de 58
Filter
1.
Braz. j. med. biol. res ; 55: e12428, 2022. tab, graf
Article in English | LILACS-Express | LILACS | ID: biblio-1403914

ABSTRACT

Gastroesophageal cancer (GEC) is an aggressive disease characterized by a high frequency of metastasis and poor overall survival rates. GEC presents HER2 overexpression in 5 to 25% of tumors eligible for HER2-targeted therapy. HER2 evaluation requires protein levels and copy number alteration analyses by immunohistochemistry (IHC) and in situ hybridization (FISH or SISH), respectively. These are semiquantitative methodologies that need an expert and well-trained pathologist. Therefore, the use of new surrogate methods for HER2 evaluation in cancer, such as gene expression analysis, might improve GEC HER2 classification. We evaluated HER2 positivity in GEC through conventional IHC and SISH analyses and investigated the potential application of HER2 mRNA expression by quantitative PCR to categorize GEC samples as HER2-positive or HER2-negative. Among 270 GEC samples, 10.9% were HER2-positive by IHC and SISH analyses. HER2 mRNA was overexpressed in HER2-positive GEC samples and presented high accuracy in distinguishing those tumors from HER2-negative GEC. Nevertheless, HER2 mRNA analysis was not capable of classifying HER2-equivocal GEC samples into HER2-positive or -negative according to SISH data. Quantitative PCR analysis showed HER2 overexpression in HER2-positive GEC samples. Nevertheless, HER2 mRNA analysis failed to classify HER2-equivocal GEC according to SISH data.

2.
Enferm. univ ; 18(2): 32-47, abr.-jun. 2021. tab
Article in Spanish | LILACS-Express | LILACS, BDENF | ID: biblio-1375368

ABSTRACT

RESUMEN Introducción: Cuidar completamente de niños con microcefalia es un gran desafío para sus cuidadores. La situación de vulnerabilidad social junto con la complejidad de la atención puede llevar a sobrecarga con pérdida de la calidad de vida. Objetivo: Analizar la relación entre aspectos socioeconómicos, dominio social de la calidad de vida y la sobrecarga de madres cuidadoras de niños con microcefalia. Metodología: Estudio transversal con 105 participantes, mediante aplicación de cuestionarios sociodemográficos, WHOQOL-BREF, sobrecarga del cuidador. Se utilizaron pruebas ANOVA, t de Student, coeficiente de correlación de Pearson (r). Resultados: Población de madres mestizas (65.7%), desempleadas (88.6%), dependientes de la prestación social (76.2%), bajo nivel educativo (50.5%) e insuficiencia financiera (90.5%). El promedio del dominio social se consideró bajo (51.11). Hubo asociación entre beneficio social y puntaje de calidad de vida total (p=0.046). Las madres sufren sobrecarga severa (39%) e intensa (30.4%). Se encontró asociación entre niveles de sobrecarga y variables etnia (p= 0.027), ocupación (p= 0.043) y medios de transporte (p <0.0001). La sobrecarga tiene impacto negativo en la calidad de vida (r= -.463, p <0.0001), percepción de la calidad de vida (r= -.476, p= <0.0001), calidad de vida total (r= -.576, p= <0.0010). Conclusiones: Las madres cuidadoras manifiestan sobrecarga con pérdida de calidad de vida. Los aspectos sociales influyen directamente y pueden potenciar la sobrecarga del cuidado. El personal de enfermería tiene un papel fundamental para crear e implementar líneas de atención con énfasis en promover la salud y alivio de la sobrecarga en el cuidador.


ABSTRACT Introduction: Taking care of children with microcephaly is a great challenge for their care providers because of the associated social vulnerability, work overload, and loss of quality of life. Objective: To analyze the associations related to the social aspects, the quality of life, and the work overload among care providing mothers of children with microcephaly. Methodology: This is a transversal study with 105 participants. Social and demographic questionnaires and WHOQOL-BREF were used. ANOVA tests, Student's t-test, and Pearson's correlation coefficient were calculated. Results: 65.7% were of mixed ethnicity; 88.6% were unemployed; 76.2% were dependent on Social Welfare; 50.5% had a low level of education; and 90.5% were financially insufficient. The social domain average was considered low (51.11). An association was found between social benefits and quality of life (p=0.046). 39% of these mothers suffer from severe work overload while 30.4% suffer from intense work overload. An association was found between the levels of work overload and ethnicity (p= 0.027), occupation (p= 0.043), and transportation means (p <0.0001). Work overload had a negative impact on the quality of life (r= -.463, p <0.0001), the perception of quality of life (r= -.476, p= <0.0001), and total quality of life (r= -.576, p= <0.0010). Conclusions: These care providing mothers suffer work overload with an associated loss of quality of life. Social aspects have a direct influence and can increase work overload. Nursing professionals have a fundamental role in the creation and implementation of attention initiatives aimed at promoting health and relief to this kind of care providing mothers.


RESUMO Introdução: Cuidar completamente das crianças com microcefalia é um grande desafio para os seus cuidadores. A situação de vulnerabilidade social aliada à complexidade do cuidado pode levar à sobrecarga com perda de qualidade de vida. Objetivo: Analisar a relação entre aspectos socioeconómicos, domínio social da qualidade de vida e sobrecarga de mães cuidadoras de crianças com microcefalia. Metodologia: Estudo transversal com 105 participantes, por meio da aplicação de questionários sociodemográficos, WHOQOL-BREF, sobrecarga do cuidador. Foram utilizados os testes ANOVA, t de Student, e coeficiente de correlação de Pearson (r). Resultados: População de mães pardas (65.7%), desempregadas (88.6%), dependentes de benefícios sociais (76.2%), baixa escolaridade (50.5%) e insuficiência financeira (90.5%). A média do domínio social foi considerada baixa (51.11). Houve associação entre benefício social e pontuação total de qualidade de vida (p=0.046). As mães sofrem sobrecarga severa (39%) e intensa (30.4%). Foi encontrada associação entre os níveis de sobrecarga e as variáveis de etnia (p= 0.027), ocupação (p= 0.043) e meio de transporte (p <0.0001). A sobrecarga tem um impacto negativo na qualidade de vida (r= -.463, p <0.0001), percepção de qualidade de vida (r= -.476, p= <0.0001), qualidade de vida total (r= -.576, p= <0.0010). Conclusões: As mães cuidadoras sofrem sobrecarga com perda de qualidade de vida. Os aspectos sociais influenciam diretamente e podem potenciar a sobrecarga do cuidado. A enfermagem tem um papel fundamental na criação e implementação de linhas de cuidados com ênfase na promoção da saúde e no alívio da sobrecarga do cuidador.

3.
Braz. j. med. biol. res ; 54(8): e10877, 2021. tab, graf
Article in English | LILACS | ID: biblio-1249331

ABSTRACT

Esophageal squamous cell carcinoma (ESCC) is among the ten most frequent and deadly cancers, without effective therapies for most patients. More recently, drugs targeting deregulated growth factor signaling receptors have been developed, such as HGF-MET targeted therapy. We assessed MET and HGF genetic alterations and gene and protein expression profiles in ESCC patients from the Brazilian National Cancer Institute and publicly available datasets, as well as the intratumor heterogeneity of the alterations found. Our analyses showed that HGF and MET genetic alterations, both copy number and mutations, are not common in ESCC, affecting 5 and 6% of the cases, respectively. HGF showed a variable mRNA expression profile between datasets, with no alterations (GSE20347), downregulation (GSE45670), and upregulation in ESCC (our dataset and GSE75241). On the other hand, MET was found consistently upregulated in ESCC compared to non-tumor surrounding tissue, with median fold-changes of 5.96 (GSE20347), 3.83 (GSE45670), 6.02 (GSE75241), and 5.0 (our dataset). Among our patients, 84% of the tumors showed at least a two-fold increase in MET expression. This observation was corroborated by protein levels, with 55% of cases exhibiting positivity in 100% of the tumor cells. Intratumor heterogeneity was evaluated in at least four tumor biopsies from five patients and two cases showed a consistent increase in MET expression (at least two-fold) in all tumor samples. Our data suggested that HGF-MET signaling pathway was likely to be overactivated in ESCC, representing a potential therapeutic target, but eligibility for this therapy should consider intratumor heterogeneity.


Subject(s)
Humans , Esophageal Neoplasms/genetics , Carcinoma, Squamous Cell/genetics , Esophageal Squamous Cell Carcinoma/genetics , Head and Neck Neoplasms , Brazil , Gene Expression Regulation, Neoplastic , Proto-Oncogene Proteins c-met/genetics , Proto-Oncogene Proteins c-met/metabolism , Cell Line, Tumor
4.
Braz. j. biol ; 80(2): 354-361, Apr.-June 2020. tab, graf
Article in English | LILACS | ID: biblio-1132363

ABSTRACT

Abstract Twenty-three hydrocarbon-degrading bacteria strains were isolated from gas station leaking-contaminated groundwater located in the Southern Amazon, Brazil. Based on hydrocarbon (diesel, hexadecane, benzene, toluene and xylene) degradation ability, two strains were selected for further study. The amplification and sequencing of the 16S rRNA gene showed that these two strains belonged to the genus Bacillus (Bacillus sp. L26 and Bacillus sp. L30). GC-MS analysis showed that strain L30 was the most effective in degrading n-alkane (C10-C27) from diesel after 7 days of cultivation in mineral medium. Both strains produced biosurfactants and showed emulsification activity, specially the strain L30. Alkane hydroxylase gene (group III), which is important for alkane biodegradation, was present in strains. As a result, this study indicated that these bacteria could have promising applications in hydrocarbon bioremediation.


Resumo Vinte e três linhagens bacterianas degradadoras de hidrocarbonetos foram isoladas de água subterrânea contaminada por vazamento em posto de combustível no sul da Amazônia, Brasil. Com base na habilidade de degradar hidrocarbonetos (diesel, hexadecano, benzeno, tolueno e xileno), duas linhagens foram selecionadas para estudos posteriores. A amplificação e sequenciamento do gene 16S rRNA demonstrou que essas linhagens pertencem ao gênero Bacillus (Bacillus sp. L26 and Bacillus sp. L30). Análises de GC-MS mostraram que a linhagem L30 foi mais eficiente em degradar n-alcanos (C10-C27) presentes no diesel, após 7 dias de cultivo em meio mineral. Ambas as linhagens produziram biossurfactantes e apresentaram atividade emulsificante, especialmente a linhagem L30. O gene alcano hidroxilase (grupo III), o qual é importante para degradação de alcanos, foram detectados nas linhagens. Como resultado, este estudo indicou que essas linhagens bacterianas podem ser promissoras se aplicadas em processos de biorremediação.


Subject(s)
Groundwater , Petroleum , Bacteria , Biodegradation, Environmental , Brazil , RNA, Ribosomal, 16S , Hydrocarbons
5.
Arq. bras. med. vet. zootec. (Online) ; 71(3): 990-996, May-June 2019. tab
Article in Portuguese | VETINDEX, LILACS | ID: biblio-1011324

ABSTRACT

Objetivou-se avaliar o efeito de complexos enzimáticos sobre a energia metabolizável e o coeficiente de digestibilidade de nutrientes do milheto para frangos de corte. Quinhentos e setenta e seis frangos machos foram distribuídos em 36 gaiolas, com três tratamentos: T1 - composição de milheto sem complexo enzimático; T2 - composição de milheto com complexo enzimático (CES) e T3 - composição de milheto com complexo enzimático (CEV). Os tratamentos foram definidos com base em seis dietas (três dietas referências e três dietas testes). As dietas testes foram obtidas pela substituição de 40% da dieta referência por milheto inteiro, e a adição de enzimas consistiu de dois complexos enzimáticos: CES, constituído pelas enzimas fitase, protease, xilanase, ß-glucanase, celulase, amilase e pectinase; e CEV. constituído pelas enzimas protease, celulase e amilase. Na fase de 11 a 20 dias, a suplementação com o CEV reduziu os valores de EMA, EMAn e CDPB. A suplementação com CES melhorou o CDPB, e não houve efeito significativo para CDMS e CDEB. Na fase de 21 a 30 dias, houve menor aproveitamento da energia e dos nutrientes com as suplementações CES e CEV. Na fase de 31 a 40 dias, as suplementações reduziram os valores de EMA, EMAn, e o complexo CEV foi efetivo em aumentar o valor de CDPB. A inclusão dos complexos enzimáticos CES (fitase, protease, xilanase, ß-glucanase, celulase, amilase e pectinase) e CEV (protease, celulase e amilase) não favoreceu a utilização da energia do milheto, no entanto melhorou o coeficiente de digestibilidade da proteína do milheto nos períodos de 11 a 20 e de 31 a 40 dias de idade.(AU)


The objective of this study was to evaluate the effect of enzymatic complexes on metabolizable energy and nutrient digestibility coefficient of millet for broilers chickens. 576 male chickens, were distributed in 36 cages with three treatments: T1 - millet composition without enzymatic complex; T2 - millet composition with enzymatic complex (ECS); and T3 - millet composition with enzymatic complex (ECV). The treatments were defined from six diets (3 reference diets and 3 test diets). The test diets were obtained from the substitution of 40% for reference diet by whole millet, and the enzyme addition consisted of two enzymatic complex, ECS constituted by phytase, protease, xylanase, ß-glucanase, cellulase, amylase and pectinase enzymes, and ECV constituted by protease, cellulase and amylase enzymes. In the 11 to 20 days phase, a supplementation with the ECV reduced the AME, AMEn and CDPB values, a ECS supplementation improved the CDPB, and there was no significant effect for CDMS and CDEB. In the 21 to 30 days phase, there were less profit of the energy and nutrients with ECS and ECV supplements. In the 31 to 40 days phase as supplements reduced the values of AME, AMEn, and the ECV complex was effective in increasing the value of CDPB. The inclusion of ECS enzymatic complexes, (phytase, protease, xylanase, ß-glucanase, cellulase, amylase and pectinase) and ECV (protease, cellulase and amylase), did not favor millet's energy utilization, however, favored the millet's protein digestibility coefficient on 11 to 20 and 31 to 40 periods.(AU)


Subject(s)
Animals , Male , Chickens , Enzymes , Millets , Animal Feed/analysis , Digestion
6.
Arq. bras. med. vet. zootec. (Online) ; 70(2): 437-442, mar.-abr. 2018. tab, ilus
Article in Portuguese | LILACS, VETINDEX | ID: biblio-910446

ABSTRACT

O fungo Rhodotorula sp. era considerado como não patogênico, mas, com o aumento de casos de humanos imunossuprimidos nas últimas duas décadas, as espécies R. mucilaginosa, R. glutinis e R. minuta se tornaram agentes potencialmente patogênicos. Poucos relatos clínicos veterinários associados à Rhodotorula spp. foram descritos, e o objetivo deste trabalho foi descrever um caso de dermatite fúngica causada por R. glutinis em cão imunossuprimido devido à leishmaniose visceral e osteossarcoma, na cidade de Cuiabá-Mato Grosso. Um cão, macho, 11 anos, sem raça definida, foi trazido ao Hospital Veterinário apresentando lesões de pele com diagnóstico de dermatofitose e foi prescrito tratamento tópico à base de óleo de melaleuca, sem melhora após um mês de tratamento. O animal retornou ao Hospital Veterinário com hemorragia na região lesionada da cauda, e foi realizada biópsia para exames microbiológico e histopatológico. Nas análises microbiológica e histopatológica, foi isolada uma levedura e detectada a presença de estrutura semelhante a leveduras na coloração de prata, respectivamente. A levedura isolada foi identificada como R. glutinis por meio do sequenciamento do DNA. Um novo tratamento foi instituído, sem melhora do quadro clínico. O animal foi diagnosticado também com leishmaniose e osteossarcoma, provavelmente ocasionando a immunossupressão, e seu quadro evoluiu a óbito.(AU)


The fungi Rhodotorula sp was considered nonpathogenic, but with the increase of immunosuppressed humans in the last two decades, the species R. mucilaginosa, R. glutinis and R. minuta became potentially pathogenic agents. There have been few veterinary clinical reports associated with Rhodotorula spp. and this work aims to describe the first case of fungal dermatitis caused by R. glutinis in immunosuppressed dog due to visceral leishmaniasis and osteosarcoma in the city of Cuiabá-Mato Grosso. An 11-year-old male mongrel dog was examined to the Veterinary Hospital with skin lesions and the diagnosis was dermatophytosis and the treatment was implemented with topical tea tree oil for one month, but the treatment failed. The animal returned to the Veterinary Hospital with bleeding in the injured area of the tail and biopsy was performed for microbiological and histopathology evaluation. In the microbiological and histopathological analysis, yeast was isolated and yeast-like structures in silver staining were observed, respectively. The isolated yeast was identified as R. glutinis by DNA sequencing. A new treatment was implemented without clinical improvement. The animal was diagnosed with leishmaniasis and osteosarcoma, which probably caused immunosuppression, and its clinical conditions evolved to death.(AU)


Subject(s)
Animals , Dogs , Dermatitis/veterinary , Dogs/microbiology , Rhodotorula/pathogenicity , Basidiomycota/pathogenicity
7.
Arq. bras. med. vet. zootec. (Online) ; 70(3): 823-829, maio-jun. 2018. tab, graf
Article in English | LILACS, VETINDEX | ID: biblio-911518

ABSTRACT

This study aimed to identify serogroups of Escherichia coli important for human health in isolates from psittacine of illegal wildlife trade in Ceará State. In addition, hemolysis and production of Extended Spectrum Beta-Lactamases (ESBL) was assessed in the isolates. A total of 78 E. coli strains isolated from different Psittaciformes species from a wildlife rehabilitation center in Fortaleza, Brazil. The isolates used in this study were previously identified and stored. Serogroup identification was performed using polyvalent sera for EPEC (O55, O111, O119, O114, O125, O86, O126, O127, O128), EIEC (O136, O124) and EHEC (O157). ESBL detection was performed with double disk synergy method. For hemolysis detection, isolates were inoculated in blood agar base enriched with ovine blood. Only 31 (39.7%) isolates were seropositive and the most frequent were O127, O114, O128 and O111. There was no agglutination for serogroups O55, O124, O136 or O157. Considering both seropositive and seronegative isolates, 9 (11.5%) and 35 (44.9%) presented hemolysis and ESBL production, respectively. In conclusion, the investigated psittacine from illegal wildlife trade hosted ESBL-producing E. coli strains and some belong to important serogroups often linked to severe human infections.(AU)


Este trabalho teve como objetivo identificar sorogrupos de E. coli importantes para a saúde humana, oriundos de psitacídeos provenientes do tráfico no estado do Ceará, assim como detectar atividade hemolítica e produção de betalactamase de espectro estendido (ESBL). Foram testadas 78 cepas de Escherichia coli provenientes de psitaciformes do Centro de Triagem de Animais Silvestres, Fortaleza, CE. Para a identificação dos sorogrupos, utilizaram-se soros polivalentes EPEC (O55, O111, O119, O114, O125, O86, O126, O127, O128), EIEC (O136, O124) e EHEC (O157). Para detecção de ESBL, as cepas foram submetidas ao método de aproximação de disco e, para a detecção de hemolisina, foram plaqueadas em ágar sangue base enriquecido com sangue de carneiro. No geral, 31 (39,7%) das amostras foram soropositivas. Os sorogrupos mais frequentemente detectados foram O127, O114, O128 e O111. Não houve positividade para os sorogrupos O55, O124, O136 e O157. Considerando-se as amostras sororreagentes e não sororreagentes, observou-se que nove (11,5%) e 35 (44,9%) cepas de E. coli apresentaram produção de hemolisinas e de ESBL, respectivamente. Em conclusão, constatou-se que psitacídeos provenientes do tráfico de animais silvestres albergam cepas de E. coli produtoras de ESBL e providas de importantes sorogrupos implicados em graves infecções humanas.(AU)


Subject(s)
Animals , beta-Lactamases , Escherichia coli/isolation & purification , Parrots/microbiology , Hemolysin Proteins/analysis , Serogroup
8.
Arq. bras. med. vet. zootec ; 69(2): 377-380, mar.-abr. 2017.
Article in Portuguese | LILACS, VETINDEX | ID: biblio-833834

ABSTRACT

Este relato descreve o caso do Cladosporium cladosporioides isolado de uma lesão periocular de um felino atendido no Hospital Veterinário da Universidade Federal de Mato Grosso, em Cuiabá. A principal queixa do proprietário era uma lesão periocular, com piora no decorrer do tempo, havia aproximadamente quatro meses. Foi descrita a tentativa de tratamento da lesão com anti-inflamatórios e antibióticos, sem sucesso. Na anamnese foi relatado que o animal tinha acesso à rua e a hábitos de caça e que não havia outros animais da casa com lesão semelhante. O animal foi submetido à biópsia e citologia para um diagnóstico mais preciso do caso. Um fragmento foi encaminhado para o Laboratório de Patologia Veterinária e outro para o de Microbiologia Veterinária. Nas análises histopatológicas, houve compatibilidade com carcinoma de células escamosas e, nas lâminas de citologia, foi evidenciado um processo inflamatório agudo. Nas características macroscópicas e microscópicas da colônia, houve compatibilidade com Cladosporium sp. Posteriormente, o DNA foi extraído e sequenciado, confirmando a espécie Cladosporium cladosporioides. O objetivo deste relato foi descrever o isolamento dessa espécie em um felino com carcinoma de células escamosas.(AU)


This report describes a case of Cladosporium cladosporioides isolated from a cat with a periocular lesion at the Veterinary Hospital, Cuiaba- Brazil. Owner described his animal as having a periocular lesion treated unsuccessfully with anti-inflamatories and antibiotics. During anamnesis, it was reported that the animal has access to the street, hunting habits and none of the other animals of the house had a similar injury. The animal underwent biopsy and cytology for more accurate diagnosis of the case. A fragment was referred to the Veterinary Pathology Laboratory and another for Veterinary Microbiology. In the histopathological analysis of biopsy, it was compatible with squamous cell carcinoma and the cytology slides showed an acute inflammatory process. Microbiogical analysis isolated fungus with Cladosporium sp. Subsequently, DNA was extracted and sequenced confirming Cladosporium cladosporioides species. This paper reports the isolation of this species in a feline with squamous cell carcinoma.(AU)


Subject(s)
Animals , Cats , Carcinoma, Squamous Cell/veterinary , Cladosporium/isolation & purification , Phaeohyphomycosis/veterinary
9.
Article in English | LILACS-Express | LILACS, VETINDEX | ID: biblio-1467304

ABSTRACT

Abstract Twenty-three hydrocarbon-degrading bacteria strains were isolated from gas station leaking-contaminated groundwater located in the Southern Amazon, Brazil. Based on hydrocarbon (diesel, hexadecane, benzene, toluene and xylene) degradation ability, two strains were selected for further study. The amplification and sequencing of the 16S rRNA gene showed that these two strains belonged to the genus Bacillus (Bacillus sp. L26 and Bacillus sp. L30). GC-MS analysis showed that strain L30 was the most effective in degrading n-alkane (C10-C27) from diesel after 7 days of cultivation in mineral medium. Both strains produced biosurfactants and showed emulsification activity, specially the strain L30. Alkane hydroxylase gene (group III), which is important for alkane biodegradation, was present in strains. As a result, this study indicated that these bacteria could have promising applications in hydrocarbon bioremediation.


Resumo Vinte e três linhagens bacterianas degradadoras de hidrocarbonetos foram isoladas de água subterrânea contaminada por vazamento em posto de combustível no sul da Amazônia, Brasil. Com base na habilidade de degradar hidrocarbonetos (diesel, hexadecano, benzeno, tolueno e xileno), duas linhagens foram selecionadas para estudos posteriores. A amplificação e sequenciamento do gene 16S rRNA demonstrou que essas linhagens pertencem ao gênero Bacillus (Bacillus sp. L26 and Bacillus sp. L30). Análises de GC-MS mostraram que a linhagem L30 foi mais eficiente em degradar n-alcanos (C10-C27) presentes no diesel, após 7 dias de cultivo em meio mineral. Ambas as linhagens produziram biossurfactantes e apresentaram atividade emulsificante, especialmente a linhagem L30. O gene alcano hidroxilase (grupo III), o qual é importante para degradação de alcanos, foram detectados nas linhagens. Como resultado, este estudo indicou que essas linhagens bacterianas podem ser promissoras se aplicadas em processos de biorremediação.

10.
Arq. bras. med. vet. zootec ; 68(6): 1732-1736, nov.-dez. 2016. tab
Article in Portuguese | LILACS, VETINDEX | ID: biblio-827949

ABSTRACT

This study was conducted to detect enterobacteria in captive Grey-breasted parakeet from a commercial breeding located in the state of Ceara. 25 individual cloacal swabs were collected and this material was subjected to microbiological processing to obtain the bacterial isolation, identification, and evaluation of the sensitivity profile to antimicrobials. The bacterial isolation in ten samples was determined, belonging to the genera Enterobacter, Hafnia, Serratia, Escherichia, Pantoea and Klebsiella, in which these last three corresponded to the bacteria most isolated, with respective percentages of 28.6%, 21.4%, and 21.4%. As for the sensitivity profile, antibiotics to which the bacteria showed more resistance were trimethoprim-sulfamethoxazole (57%), tetracycline (21%), and azithromycin (43%). Thus, it was shown that the parakeets were carriers of Enterobacteriaceae with resistance characteristics.(AU)


Subject(s)
Animals , Disk Diffusion Antimicrobial Tests/veterinary , Drug Resistance, Bacterial , Enterobacteriaceae/isolation & purification , Parrots/microbiology
11.
Braz. j. med. biol. res ; 49(12): e5519, 2016. tab, graf
Article in English | LILACS | ID: biblio-828177

ABSTRACT

The presence of the single nucleotide polymorphisms in exon 1 of the mannose-binding lectin 2 (MBL2) gene was evaluated in a sample of 159 patients undergoing coronary artery bypass surgery (71 patients undergoing valve replacement surgery and 300 control subjects) to investigate a possible association between polymorphisms and heart disease with Chlamydia infection. The identification of the alleles B and D was performed using real time polymerase chain reaction (PCR) and of the allele C was accomplished through PCR assays followed by digestion with the restriction enzyme. The comparative analysis of allelic and genotypic frequencies between the three groups did not reveal any significant difference, even when related to previous Chlamydia infection. Variations in the MBL plasma levels were influenced by the presence of polymorphisms, being significantly higher in the group of cardiac patients, but without representing a risk for the disease. The results showed that despite MBL2 gene polymorphisms being associated with the protein plasma levels, the polymorphisms were not enough to predict the development of heart disease, regardless of infection with both species of Chlamydia.


Subject(s)
Humans , Male , Female , Middle Aged , Chlamydia Infections/blood , Chlamydia Infections/genetics , Heart Valve Diseases/microbiology , Mannose-Binding Lectin/blood , Mannose-Binding Lectin/genetics , Case-Control Studies , Chlamydia Infections/diagnosis , Cross-Sectional Studies , Gene Frequency , Genetic Predisposition to Disease , Genotype , Heart Valve Diseases/blood , Heart Valve Diseases/surgery , Polymerase Chain Reaction , Polymorphism, Single Nucleotide
12.
Rev. bras. plantas med ; 18(2): 531-538, 2016. tab, graf
Article in English | LILACS | ID: lil-787943

ABSTRACT

ABSTRACT Protium heptaphyllum is found in the Amazon region, and in various Brazilian states and South American countries. Also Known as almecega, it produces an oil resin used in traditional medicine as analgesic, anti-inflammatory, cicatrizant and expectorant, it is rich in pentacyclic triterpenes and essential oil. The main objective of this study was to analyze the chemical composition of P. heptaphyllumresin (OEPh) over different extraction times and to evaluate their antifungal activity against Candida species, obtained from gardeners with onychomycosis, using the disk diffusion method. The OEPh was obtained by hydrodistillation and analyzed by Multidimensional Gas Chromatography coupled with Mass Spectrometry (MDGC / MS). Candida species were obtained from lesions on the nails of horticulturist from a community garden in the city of Teresina, Piauí, Brazil. The antifungal activity in concentrations of 1000 µg/L, 500 µg/L and 250 µg/L, PROTOCOL M44-A2 (CLSI 2009) OEPh was tested. The main constituents identified were: l-limonene, α-terpineol, p-cineol, o-cymene and α-phellandrene, however, its composition varies significantly with extraction time. All species, except C. rugosa, were inhibited with halo (≥ 14 mm) at 1000 μg / L. C. krusei is naturally resistant to the drug fluconazole, but when tested with OEPh the clinical species (case 9) demonstrated sensitivity in three dilutions (halo ≤ 10 ≥ 14) and the standard strain was inhibited at concentration of 1000 μg/Lg / L (halo 14mm). A similar situation also occurred with the standard strain of C. parapsilosis (halo ≥ 11mm). OEPh has considerable antifungal activity, which merits further investigation for alternative clinical applications, since this species is widely distributed in our community, and it presents good yields, and also has important therapeutic applications.


RESUMO Protium heptaphyllum é encontrada na região amazônica, em vários estados do Brasil e países da América do Sul. Conhecida como almecega produz uma resina oleosa usada na medicina popular como analgésica, antiinflamatória, cicatrizante e expectorante, é rica em triterpenos pentaciclicos e óleo essencial. O objetivo principal do presente trabalho foi analisar a composição química do óleo essencial da resina P. heptaphyllum (OEPh) em diferentes tempo de extração e avaliarsuaatividade antifúngica contra espécies de Candida, isoladas de horticultores com onicomicoses, por método de disco-difusão. O OEPh foi obtido por hidrodestilação, analisado por Cromatografia Gasosa Multidimensinal Acoplada a Espectrometria de Massas (MDGC/MS). As espécies de Candida foram obtidas de lesões nas unhas de horticultores de uma horta comunitária na cidade de Teresina, Piauí, Brasil. Testou-se a atividade antifúngica do OEPhnas concentrações de 1000 μg/L, 500 μg/L e 250 μg/L, protocolo M44-A2 (CLSI 2009). Os principais constituintes identificados foram l- limoneno, α-terpineol, p-cineol, o-cimeno e α-felandreno, entretanto, sua composição varia significativamente em decorrência do tempo de extração. Todas as espécies, exceto a C. rugosa, foram inibidas com halo ( Χ ≥ 14 mm) na concentração de 1000 μg/L. C. krusei é naturalmente resistente ao fármaco fluconazol, mas quando testado com OEPh,a espécie clínico (caso 9) demonstrou sensibilidade nas três diluições (halo Χ ≤ 10 ≥ 14) e a cepa padrão foi inibida na concentração de 1000 μg/L (halo Χ 14mm). Fato semelhante também ocorreu com a cepa padrão de C. parapsilosis (halo Χ ≥ 11mm). O OEPh possui atividade antifúngica considerável, merecendo uma investigação mais aprofundada para aplicações clínicas alternativas, uma vez que esta espécie é amplamente distribuída em nossa comunidade, apresenta bom rendimento e, ainda, aplicações terapêuticas importantes.


Subject(s)
Candida/classification , Oils, Volatile/analysis , Burseraceae/chemistry , /analysis , Onychomycosis/diagnosis , Disease Susceptibility/classification
13.
Braz. j. med. biol. res ; 49(4): e5106, 2016. graf
Article in English | LILACS | ID: biblio-951668

ABSTRACT

After a traumatic injury to the central nervous system, the distal stumps of axons undergo Wallerian degeneration (WD), an event that comprises cytoskeleton and myelin breakdown, astrocytic gliosis, and overexpression of proteins that inhibit axonal regrowth. By contrast, injured neuronal cell bodies show features characteristic of attempts to initiate the regenerative process of elongating their axons. The main molecular event that leads to WD is an increase in the intracellular calcium concentration, which activates calpains, calcium-dependent proteases that degrade cytoskeleton proteins. The aim of our study was to investigate whether preventing axonal degeneration would impact the survival of retinal ganglion cells (RGCs) after crushing the optic nerve. We observed that male Wistar rats (weighing 200-400 g; n=18) treated with an exogenous calpain inhibitor (20 mM) administered via direct application of the inhibitor embedded within the copolymer resin Evlax immediately following optic nerve crush showed a delay in the onset of WD. This delayed onset was characterized by a decrease in the number of degenerated fibers (P<0.05) and an increase in the number of preserved fibers (P<0.05) 4 days after injury. Additionally, most preserved fibers showed a normal G-ratio. These results indicated that calpain inhibition prevented the degeneration of optic nerve fibers, rescuing axons from the process of axonal degeneration. However, analysis of retinal ganglion cell survival demonstrated no difference between the calpain inhibitor- and vehicle-treated groups, suggesting that although the calpain inhibitor prevented axonal degeneration, it had no effect on RGC survival after optic nerve damage.


Subject(s)
Animals , Male , Polyvinyls/pharmacology , Retinal Ganglion Cells/drug effects , Axons/drug effects , Wallerian Degeneration/drug therapy , Glycoproteins/pharmacology , Optic Nerve Injuries/drug therapy , Axons/pathology , Immunohistochemistry , Cell Survival/drug effects , Treatment Outcome , Cell Death/drug effects , Cell Death/physiology , Rats, Wistar , Optic Nerve Injuries/pathology , Microscopy, Electron, Transmission , Nerve Crush
14.
Braz. j. biol ; 75(4,supl.2): 158-164, Dec. 2015. tab, graf
Article in English | LILACS | ID: lil-769603

ABSTRACT

The Mourão River basin is located on the central western region of the Paraná State – Brazil, between coordinates 23º 44’ - 24º 25 South latitude and 52º 12’ - 52º 30’ West longitude, between 270 and 820 m above sea level, and 1,648.21 km2 drainage area. Water quality was evaluated by monitoring physical, chemical and microbiological parameters. Monthly samplings were performed for a year at five sites in the basin for analysis of: pH, temperature, dissolved oxygen, biochemical oxygen demand, total nitrogen, ammoniacal nitrogen, nitrite, nitrate, total phosphorus, turbidity, total solids, volatile solids and fecal coliforms. The results of the evaluated parameters showed higher values than the limits set by CONAMA Resolution 357 from 2005 for Class 2 in some samples. The Water Quality Index (WQI) indicated that 72% of samples had average quality and 28% had good quality for the Mourão River basin. Higher values of WQI were observed after rainfall period with median of 75 compared to the dry period with median of 62. The source of the Mourão River is contaminated with fecal coliforms, evidencing the real need to treat sewage in rural areas.


Resumo A Bacia Hidrográfica do Rio Mourão, localizada na porção centro ocidental do Estado do Paraná – Brasil, entre as coordenadas 23º 44’ - 24º 25’ Latitude Sul e 52º 12’ - 52º 30’ Longitude Oeste, entre 270 e 820 m acima do nível mar, possui área de drenagem de 1.648,21 km2. Nesta bacia foi avaliada a qualidade da água por meio de monitoramento de parâmetros físico-químicos e microbiológicos. Foram realizadas coletas mensais durante um ano em 5 pontos selecionados da bacia, sendo realizadas análises de: potencial Hidrogeniônico, temperatura, oxigênio dissolvido, demanda bioquímica de oxigênio, nitrogênio total, nitrogênio amoniacal, nitrito, nitrato, fósforo total, turbidez, sólidos totais, sólidos voláteis e coliformes fecais. Os resultados dos parâmetros avaliados indicaram valores superiores aos limites preconizados na Resolução CONAMA 357 de 2005 para rios de classe 2 em algumas amostras. Com a análise do Índice de Qualidade das Águas (IQA), obteve-se 72% das amostras com qualidade média e 28% com qualidade boa para a bacia do Rio Mourão. Os maiores valores do IQA foram observados na época de chuvas com mediana de 75 comparados ao período de seca com mediana de 62. Constatou-se que a nascente do rio Mourão está contaminada com coliformes fecais, mostrando a real necessidade de se tratar os esgotos sanitários no meio rural.


Subject(s)
Environmental Monitoring , Rivers/chemistry , Water Quality , Brazil , Cities , Seasons
15.
Braz. j. biol ; 75(4,supl.2): 96-106, Dec. 2015. tab, graf
Article in English | LILACS | ID: lil-769613

ABSTRACT

The Campo River basin is located on the third plateau of the Paraná State or trap plateau of Paraná, at the middle portion between the rivers Ivaí and Piquiri, southern Brazil, between the coordinates 23° 53 and 24° 10’ South Latitude and 52° 15’ and 52° 31’ West Longitude. The basin has 384 Km² area, being 247 km2 in the municipality of Campo Mourão and 137 km2 in the municipality of Peabiru, in Paraná State. The Campo River is a left bank tributary of the Mourão River, which flows into the Ivaí River. The objective of this study was to monitor water quality in the Km 119 River and the Campo River, tributaries of the Mourão River, with monthly collection of water samples to determine pH, temperature, turbidity, biochemical oxygen demand, dissolved oxygen, fecal coliforms, total solids, total nitrogen, ammoniacal nitrogen, nitrite, nitrate and total phosphorus. The results obtained were compared with the indices established by the environmental legislation and applied in the determination of the Water Quality Index (WQI) used by the Water Institute of Paraná State, regulating environmental agency. Poor water quality in these rivers presents a worrying scenario for the region, since this river is the main source of water supply for the public system. Results of organic matter, fecal coliforms and total phosphorus were higher than the limits established by Resolution CONAMA 357/2005 to river class 2, specially at downstream of the Km 119 River and the Campo River, due to the significant influence of the urban anthropic activity by the lack of tertiary treatment and also rural by the lack of basic sanitation in this area. Results of WQI of Km 119 River and do Campo River indicated that water quality can be classified as average in 71% and good in 29% of the sites evaluated.


Resumo A Bacia Hidrográfica Rio do Campo está situada no terceiro planalto paranaense, na porção média entre os rios Ivaí e Piquiri, Sul do Brasil, entre as coordenadas 23° 53’ e 24°10’ de Latitude Sul e 52°15’ e 52°31’ de Longitude Oeste. A bacia ocupa área de 384 Km2, sendo 247 km2 no município de Campo Mourão e 137 km2 no município de Peabiru, no estado do Paraná. O Rio do Campo é um afluente da margem esquerda do Rio Mourão, que deságua no Rio Ivaí. O objetivo deste trabalho foi monitorar a qualidade da água do rio Km 119 e rio do Campo, afluentes do Rio Mourão, com coletas mensais de amostras de água para determinação do pH, temperatura, turbidez, demanda bioquímica de oxigênio, oxigênio dissolvido, coliformes fecais, sólidos totais, nitrogênio total, nitrogênio amoniacal, nitrito, nitrato e fósforo total. Os resultados obtidos foram comparados aos limites estabelecidos na legislação ambiental vigente para poluentes na água e aplicados na determinação do Índice de Qualidade das Águas (IQA) usado pelo Instituto das Águas do Paraná, órgão ambiental fiscalizador. A má qualidade observada nestes rios é preocupante para a região que usufruiu destas águas como principal fonte de abastecimento público. Resultados de matéria orgânica, coliformes totais e fósforo total extrapolaram os padrões estabelecidos na Resolução CONAMA 357/2005 para rio classe 2, especialmente à jusante do rio Km 119 e do Rio do Campo, devido à influência significativa da atividade antrópica urbana pela falta de tratamento terciário e rural pela falta de saneamento básico nesta área. Os resultados do IQA do Rio Km 119 e Rio do Campo indicam que as águas podem ser classificadas com qualidade média em 71% e boa em 29% nos pontos avaliados.


Subject(s)
Rivers/chemistry , Water Quality , Brazil , Cities
16.
Braz. j. biol ; 75(4)Nov. 2015.
Article in English | LILACS-Express | LILACS, VETINDEX | ID: biblio-1468362

ABSTRACT

The Campo River basin is located on the third plateau of the Paraná State or trap plateau of Paraná, at the middle portion between the rivers Ivaí and Piquiri, southern Brazil, between the coordinates 23° 53 and 24° 10 South Latitude and 52° 15 and 52° 31 West Longitude. The basin has 384 Km² area, being 247 km2 in the municipality of Campo Mourão and 137 km2 in the municipality of Peabiru, in Paraná State. The Campo River is a left bank tributary of the Mourão River, which flows into the Ivaí River. The objective of this study was to monitor water quality in the Km 119 River and the Campo River, tributaries of the Mourão River, with monthly collection of water samples to determine pH, temperature, turbidity, biochemical oxygen demand, dissolved oxygen, fecal coliforms, total solids, total nitrogen, ammoniacal nitrogen, nitrite, nitrate and total phosphorus. The results obtained were compared with the indices established by the environmental legislation and applied in the determination of the Water Quality Index (WQI) used by the Water Institute of Paraná State, regulating environmental agency. Poor water quality in these rivers presents a worrying scenario for the region, since this river is the main source of water supply for the public system. Results of organic matter, fecal coliforms and total phosphorus were higher than the limits established by Resolution CONAMA 357/2005 to river class 2, specially at downstream of the Km 119 River and the Campo River, due to the significant influence of the urban anthropic activity by the lack of tertiary treatment and also rural by the lack of basic sanitation in this area. Results of WQI of Km 119 River and do Campo River indicated that water quality can be classified as average in 71% and good in 29% of the sites evaluated.


Resumo A Bacia Hidrográfica Rio do Campo está situada no terceiro planalto paranaense, na porção média entre os rios Ivaí e Piquiri, Sul do Brasil, entre as coordenadas 23° 53 e 24°10 de Latitude Sul e 52°15 e 52°31 de Longitude Oeste. A bacia ocupa área de 384 Km2, sendo 247 km2 no município de Campo Mourão e 137 km2 no município de Peabiru, no estado do Paraná. O Rio do Campo é um afluente da margem esquerda do Rio Mourão, que deságua no Rio Ivaí. O objetivo deste trabalho foi monitorar a qualidade da água do rio Km 119 e rio do Campo, afluentes do Rio Mourão, com coletas mensais de amostras de água para determinação do pH, temperatura, turbidez, demanda bioquímica de oxigênio, oxigênio dissolvido, coliformes fecais, sólidos totais, nitrogênio total, nitrogênio amoniacal, nitrito, nitrato e fósforo total. Os resultados obtidos foram comparados aos limites estabelecidos na legislação ambiental vigente para poluentes na água e aplicados na determinação do Índice de Qualidade das Águas (IQA) usado pelo Instituto das Águas do Paraná, órgão ambiental fiscalizador. A má qualidade observada nestes rios é preocupante para a região que usufruiu destas águas como principal fonte de abastecimento público. Resultados de matéria orgânica, coliformes totais e fósforo total extrapolaram os padrões estabelecidos na Resolução CONAMA 357/2005 para rio classe 2, especialmente à jusante do rio Km 119 e do Rio do Campo, devido à influência significativa da atividade antrópica urbana pela falta de tratamento terciário e rural pela falta de saneamento básico nesta área. Os resultados do IQA do Rio Km 119 e Rio do Campo indicam que as águas podem ser classificadas com qualidade média em 71% e boa em 29% nos pontos avaliados.

17.
Braz. j. biol ; 75(4)Nov. 2015.
Article in English | LILACS-Express | LILACS, VETINDEX | ID: biblio-1468368

ABSTRACT

The Mourão River basin is located on the central western region of the Paraná State Brazil, between coordinates 23º 44 - 24º 25 South latitude and 52º 12 - 52º 30 West longitude, between 270 and 820 m above sea level, and 1,648.21 km2 drainage area. Water quality was evaluated by monitoring physical, chemical and microbiological parameters. Monthly samplings were performed for a year at five sites in the basin for analysis of: pH, temperature, dissolved oxygen, biochemical oxygen demand, total nitrogen, ammoniacal nitrogen, nitrite, nitrate, total phosphorus, turbidity, total solids, volatile solids and fecal coliforms. The results of the evaluated parameters showed higher values than the limits set by CONAMA Resolution 357 from 2005 for Class 2 in some samples. The Water Quality Index (WQI) indicated that 72% of samples had average quality and 28% had good quality for the Mourão River basin. Higher values of WQI were observed after rainfall period with median of 75 compared to the dry period with median of 62. The source of the Mourão River is contaminated with fecal coliforms, evidencing the real need to treat sewage in rural areas.


Resumo A Bacia Hidrográfica do Rio Mourão, localizada na porção centro ocidental do Estado do Paraná Brasil, entre as coordenadas 23º 44 - 24º 25 Latitude Sul e 52º 12 - 52º 30 Longitude Oeste, entre 270 e 820 m acima do nível mar, possui área de drenagem de 1.648,21 km2. Nesta bacia foi avaliada a qualidade da água por meio de monitoramento de parâmetros físico-químicos e microbiológicos. Foram realizadas coletas mensais durante um ano em 5 pontos selecionados da bacia, sendo realizadas análises de: potencial Hidrogeniônico, temperatura, oxigênio dissolvido, demanda bioquímica de oxigênio, nitrogênio total, nitrogênio amoniacal, nitrito, nitrato, fósforo total, turbidez, sólidos totais, sólidos voláteis e coliformes fecais. Os resultados dos parâmetros avaliados indicaram valores superiores aos limites preconizados na Resolução CONAMA 357 de 2005 para rios de classe 2 em algumas amostras. Com a análise do Índice de Qualidade das Águas (IQA), obteve-se 72% das amostras com qualidade média e 28% com qualidade boa para a bacia do Rio Mourão. Os maiores valores do IQA foram observados na época de chuvas com mediana de 75 comparados ao período de seca com mediana de 62. Constatou-se que a nascente do rio Mourão está contaminada com coliformes fecais, mostrando a real necessidade de se tratar os esgotos sanitários no meio rural.

19.
Arq. bras. med. vet. zootec ; 66(5): 1435-1438, Sep-Oct/2014. tab
Article in English | LILACS | ID: lil-729781

ABSTRACT

The present study reports the isolation of Salmonella enterica in organs of free-living domestic pigeons. In the clinic examination, the presence of feces in the peri-cloacal and abdominal regions were observed, as well as symptoms such as cachexy, incoordination and opisthotonos. Before any therapeutic protocol was applied the bird died and a necropsy was then performed for the removal of spleen, liver, kidney and intestine for bacteriological examination and antibiotic sensitivity test. Salmonella enterica subsp.enterica (O:4,5:i-) and Salmonella enterica subsp. enterica serovar Typhimurium were isolated from the liver and intestine and the sensitivity test demonstrated that these strains are sensitive to several antibiotics...


O presente trabalho relata o isolamento de Salmonella enterica em órgãos de um pombo doméstico de vida livre. No exame clínico foi observada a presença de fezes pericloacal na região ventral, caquexia, incoordenação motora e opistótono. Antes de iniciar um protocolo terapêutico, a ave foi a óbito, e, em seguida, foi realizada uma necropsia para remoção do baço, fígado, rim e intestino para exame bacteriológico e teste de sensibilidade a antibióticos. Foi isolado Salmonella enterica subsp. enterica (O:4,5:i-) e Salmonella enterica subsp. enterica sorovar Typhimurium do fígado e intestino, e o teste de sensibilidade demonstrou que essas cepas são sensíveis a vários antimicrobianos...


Subject(s)
Animals , Columbidae , Salmonella enterica/isolation & purification , Microbial Sensitivity Tests/veterinary , Ataxia/veterinary , Autopsy/veterinary , Cachexia/veterinary , Feces
20.
Arq. bras. med. vet. zootec ; 66(3): 965-968, 06/2014. tab
Article in English | LILACS | ID: lil-718081

ABSTRACT

This study showed a low prevalence of Salmonella spp. in captive psittacines from zoos and a commercial establishment of Fortaleza. None of the isolated serotypes (S. Lexington, S. Saintpaul and S. Newport) have yet been reported in Amazona aestiva, Ara chloroptera or Melopsittacus undulatus. However, the fact that most birds presented negative for Salmonella spp. may not imply the absence of this pathogen in these birds, since the intermittent excretion is a well-known characteristic of this microorganism...


A manutenção de aves em cativeiro reúne condições que favorecem a disseminação de doenças infecciosas, sendo a Salmonella uma dessas doenças infecciosas que acomete os psitacídeos. Portanto o objetivo do presente estudo foi isolar e identificar Salmonella spp. em Psittaciformes mantidos em criatórios comerciais e conservacionistas da Região Metropolitana de Fortaleza. Para o estudo, foram coletados swabs cloacais de 182 psitacídeos clinicamente sadios. Os resultados mostraram que três psitacídeos avaliados (1,65%) foram positivos: Amazona aestiva (Salmonella Lexington), Ara chloroptera (Salmonella Saintpaul) e Melopsittacus undulatus (Salmonella Newport). De acordo com a literatura científica, não há registro desses sorotipos em psitacídeos. Esta pesquisa evidenciou uma baixa prevalência de Salmonella spp. em Psittaciformes mantidos em criatórios comerciais e conservacionistas da Região Metropolitana de Fortaleza...


Subject(s)
Animals , Psittaciformes/immunology , Psittaciformes/microbiology , Salmonella/isolation & purification , Birds/microbiology , Serotyping/veterinary
SELECTION OF CITATIONS
SEARCH DETAIL