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1.
Reducing the burden of caregivers in Huntington's by using an online interventional neuropsychological approach: a pilot study Huntingtons Huntington s approach
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Santos, Tatiana Henrique
; Pantaleão, Fernanda Naomi
; Machado, Tatiana Namura
; Luiz, Leonardo de Oliveira
; Capato, Tamine T.C.
.
ABSTRACT Huntington's disease (HD) is a hereditary, neurodegenerative disease characterized by motor, cognitive, and behavioral issues. As the disease progresses, people become dependent on their caregivers leading to a significant burden. There is a lack of effective neuropsychological intervention to support this population. Objective: To develop an online neuropsychological intervention and evaluate its effects in decreasing the HD caregiver burden. Methods: This qualitative pilot study was conducted online during the COVID-19 pandemic in Brazil. We selected a convenience sample of five informal caregivers of HD patients (mean 46.2 years old). At baseline, participants were assessed via an individual online neuropsychology interview/screening, covering demographic data. Subsequently, we conducted 20 online 90-minute sessions of the psychological consultation over 12 months. Each session was structured in three stages: 1) Welcoming; 2) Breathing and mindfulness practice; and 3) Discussion of themes about the group's needs based on the main complaints. A second intervention assessment was applied. Results: None of the caregivers were provided with details about HD at the time of diagnosis and later care. The necessity to care for a person with a rare genetic disease was added to caregivers' already-existing working routine and home services, causing a symptom of overload. After the neuropsychological intervention, all participants reported feeling less burdened by caring, improved self-care and conflict resolution with the person with HD through expanding behavioral repertoire focused on emotions and communication. Conclusion: Online neuropsychologic intervention can reduce the burden of HD caregivers. More comprehensive studies should investigate these findings. Huntingtons Huntington s (HD hereditary motor cognitive issues progresses population Objective Methods COVID19 COVID 19 COVID-1 Brazil mean 462 46 2 46. old. old . old) baseline interviewscreening interview screening interview/screening data Subsequently 90minute minute 90 1 months stages Welcoming practice 3 groups group complaints applied Results alreadyexisting already existing services overload caring selfcare self communication Conclusion findings COVID1 COVID- 4 9
RESUMO A doença de Huntington (DH) é hereditária e neurodegenerativa, caracterizada por problemas motores, cognitivos e comportamentais. À medida que avança, os pacientes dependem cada vez mais de cuidadores, gerando uma sobrecarga significativa. Há uma carência de intervenções neuropsicológicas eficazes para apoiar esta população. Objetivo: Desenvolver uma intervenção neuropsicológica online e avaliar seus efeitos na redução da sobrecarga do cuidador em DH. Métodos: Este estudo piloto qualitativo ocorreu online, durante a pandemia de COVID-19 no Brasil. Selecionamos uma amostra de conveniência de cinco cuidadores informais de pacientes com DH (média de 46,2 anos). Inicialmente, realizamos triagens neuropsicológicas online, abrangendo dados demográficos e entrevistas. Subsequentemente, conduzimos 20 sessões de 90 minutos ao longo de 12 meses, estruturadas em: 1) acolhimento, 2) prática de respiração e mindfulness e 3) discussão das necessidades do grupo com base nas principais queixas. Após a intervenção, realizamos uma segunda avaliação. Resultados: Constatamos que os cinco cuidadores não foram adequadamente educados pelos profissionais de saúde sobre a DH após o diagnóstico. A responsabilidade de cuidar da pessoa com DH foi agregada à sua rotina de trabalho e serviços domiciliares, ocasionando um sintoma de sobrecarga. Após a intervenção neuropsicológica online, todos os participantes relataram menos sobrecarga relacionada ao cuidado das pessoas com DH, melhoraram o autocuidado e a resolução de conflitos por meio da ampliação do repertório comportamental focado nas emoções e na comunicação. Conclusão: A intervenção neuropsicológica online pode diminuir a sobrecarga dos cuidadores em DH. Estudos mais abrangentes devem investigar esses resultados. (DH neurodegenerativa motores comportamentais avança significativa população Objetivo Métodos COVID19 COVID 19 COVID-1 Brasil média 462 46 2 46, anos. anos . anos) Inicialmente entrevistas Subsequentemente 9 1 meses acolhimento 3 queixas avaliação Resultados diagnóstico domiciliares comunicação Conclusão resultados COVID1 COVID- 4
2.
Smartphone-based evaluation of static balance and mobility in type 2 Diabetes Smartphonebased Smartphone based
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FERNANDES, THAISSIANNE F.
; VOLPE, MARIA IZABEL T.C.
; PENA, FRANCINEIDE P.S.
; SANTOS, ENZO GABRIEL R.
; PINTO, GUSTAVO HENRIQUE L.
; BELGAMO, ANDERSON
; COSTA E SILVA, ANSELMO A.
; CABRAL, ANDRÉ S.
; CALLEGARI, BIANCA
; SOUZA, GIVAGO S.
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
Abstract It was compared smartphone-based measurements of static balance control and mobility of elderly population with and without type 2 diabetes mellitus (DM2). The present cross-sectional study investigated 73 participants grouped in a control group (n = 36) and a DM2 group (n = 37). Smartphone’s built in inertial sensors were used to record inertial changes of the participants during static balance and mobility (Timed Up and Go test – TUG) tasks. The inertial variations as a function of the time were analyzed and compared between groups. Both groups were matched in age, body mass index, male-female proportion, but DM2 group had significant larger fasting glucose than control group. Additionally, DM2 group had worst static balance control with open and closed eyes than the controls (p < 0.05) as well as they also had longer duration to execute the different events of the mobility test than the controls (p < 0.05). DM2 patients had decline of motor functions compared to controls and the use of bult-in sensors of smartphones was feasible to identify these functional impairments. The easy access of smartphones could be improving the screening of functional impairments in DM2 patients. smartphonebased smartphone based DM2. DM . (DM2) crosssectional cross sectional 7 n 36 37. 37 37) Smartphones Smartphone s Timed TUG tasks age index malefemale male female proportion Additionally p 0.05 005 0 05 0.05. bultin bult (DM2 3 0.0 00 (DM 0.
3.
Brain glucose hypometabolism and hippocampal inflammation in Goto-Kakizaki rats GotoKakizaki Goto Kakizaki
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Borges, J.C.O.
; Oliveira, V.A.B.
; Serdan, T.D.A.
; Silva, F.L.R.
; Santos, C.S.
; Pauferro, J.R.B.
; Ribas, A.S.F.
; Manoel, R.
; Pereira, A.C.G.
; Correa, I.S.
; Pereira, J.N.B.
; Bazotte, R.B.
; Levada-Pires, A.C.
; Pithon-Curi, T.C.
; Gorjão, R.
; Curi, R.
; Hirabara, S.M.
; Masi, L.N.
.
Brazilian Journal of Medical and Biological Research
- Métricas do periódico
Brain glucose hypometabolism and neuroinflammation are early pathogenic manifestations in neurological disorders. Neuroinflammation may also disrupt leptin signaling, an adipokine that centrally regulates appetite and energy balance by acting on the hypothalamus and exerting neuroprotection in the hippocampus. The Goto-Kakizaki (GK) rat is a non-obese type 2 diabetes mellitus (T2DM) animal model used to investigate diabetes-associated molecular mechanisms without obesity jeopardizing effects. Wistar and GK rats received the maintenance adult rodent diet. Also, an additional control group of Wistar rats received a high-fat and high-sugar diet (HFHS) provided by free consumption of condensed milk. All diets and water were provided ad libitum for eight weeks. Brain glucose uptake was evaluated by 2-deoxy-2-[fluorine-18] fluoro-D-glucose under basal (saline administration) or stimulated (CL316,243, a selective β3-AR agonist) conditions. The animals were fasted for 10-12 h, anesthetized, and euthanized. The brain was quickly dissected, and the hippocampal area was sectioned and stored at -80°C in different tubes for protein and RNA analyses on the same animal. GK rats exhibited attenuated brain glucose uptake compared to Wistar animals and the HFHS group under basal conditions. Also, the hippocampus of GK rats displayed upregulated leptin receptor, IL-1β, and IL-6 gene expression and IL-1β and the subunit of the transcription factor NF-κB (p-p65) protein expression. No significant alterations were detected in the hippocampus of HFHS rats. Our data indicated that a genetic predisposition to T2DM has significant brain deteriorating features, including brain glucose hypometabolism, neuroinflammation, and leptin signaling disruption in the hippocampal area. disorders GotoKakizaki Goto Kakizaki (GK nonobese non obese TDM T DM (T2DM diabetesassociated associated effects Also highfat high fat highsugar sugar (HFHS milk weeks 2deoxy2fluorine18 deoxyfluorine deoxy fluorine 18 2-deoxy-2-[fluorine-18 fluoroDglucose fluoro D saline administration CL316,243, CL316243 CL CL316 243 (CL316,243 β3AR βAR β3 AR β agonist conditions 1012 10 12 10-1 h anesthetized euthanized dissected 80°C 80C C 80 receptor IL1β, IL1β ILβ IL 1β, 1β IL6 6 IL- NFκB NF κB pp65 pp p p65 (p-p65 features 2deoxy2fluorine1 1 2-deoxy-2-[fluorine-1 CL316,243 CL31624 CL31 24 (CL316,24 101 10- 8 pp6 p6 (p-p6 2deoxy2fluorine 2-deoxy-2-[fluorine- CL316,24 CL3162 CL3 (CL316,2 (p-p 2-deoxy-2-[fluorine CL316,2 (CL316, CL316, (CL316 (CL31 (CL3 (CL
4.
Hippoboscid flies in wild birds rescued at the Sorocaba Zoo, São Paulo, Brazil Zoo Paulo
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Teixeira, R.H.F.
; Silva, M.L.
; Caiaffa, M.G.
; Gonzaga, C.R.R.
; Matos, F.N.
; Costa, A.L.M.
; Santos, T.C.
; Sant´Anna, C.A.
; Barros, L.A.
.
Arquivo Brasileiro de Medicina Veterinária e Zootecnia
- Métricas do periódico
RESUMO Os dípteros hipoboscídeos são parasitos de aves e ocasionalmente de alguns mamíferos, encontrados em todos os biomas brasileiros, com aproximadamente 30 espécies, descritas em 10 gêneros. Durante o período de janeiro de 2021 a junho de 2022, foram coletados hipoboscídeos em exames de rotina de aves das famílas Accipitridae, Ardeidae Cathartidae, Columbidae, Falconidae, Ramphastidae e Strigidae, recebidas ou resgatadas pelo Zoológico de Sorocaba. Os parasitos foram encaminhados para diagnóstico taxonômico no Laboratório de Apoio Diagnóstico de Doenças Parasitárias da Universidade Federal Fluminense (UFF), em Niterói, RJ, onde as seguintes espécies foram identificadas: Icosta americana, Ornithoctona eritrocephala, Pseudolynchia canariensis e Stilbometopa podopostyla. Existem poucas informações na literatura sobre a especificidade parasitária, a relação parasito-hospedeiro e a importância desses ectoparasitos em hospedeiros selvagens. mamíferos brasileiros 3 1 gêneros 202 2022 Accipitridae Cathartidae Columbidae Falconidae Strigidae Sorocaba UFF, UFF , (UFF) Niterói RJ identificadas americana eritrocephala podopostyla parasitária parasitohospedeiro parasito hospedeiro selvagens 20 (UFF 2
5.
Oil Spill Disaster in Southwest Atlantic Coast: an Evaluation of Short-Term Effects on Coral Reef Benthic Assemblages
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MIRANDA, RICARDO J.
; PINTO, TACIANA K.O.
; LOPES, ROSY V.R.
; SANTOS, JANISSON W.
; SAMPAIO, CLÁUDIO L.S.
; SANTOS, ROBSON G.
; PEREIRA, PEDRO H.C.
; CARDOSO, ANDREI T.C.
; MALHADO, ANA C.M.
; LADLE, RICHARD J.
.
Abstract Oil pollution has significantly contributed to coral reef decline in the last five decades and a major oil spill reached Brazilian tropical coast in August 2019. Here, we report the first evidence of direct crude oil contact from that spill on reef coral species, and evaluate the effects of this disaster on coral vitality and benthic assemblage structure on the largest coastal marine protected area (MPA Costa dos Corais) in Brazil. We compared benthic cover in reefs with and without oil and monitored Siderastrea stellata colonies 90 days after oil contact. Oil stains between 0.5 and 150 cm were found in two of the 17 reef sites investigated. Multivariate analyses did not detect significant differences between oiled and non-oiled reefs and there was no evidence of S. stellata health deterioration. These results indicate minimal acute effects on coral vitality and intertidal reef benthic assemblage structure. Future studies should investigate oil effects on specific aspects of coral biology as growth, reproduction, bleaching susceptibility and metagenomics which can deteriorate over longer time frames, and we recommend long-term coral reef monitoring to support a robust assessment and mitigation of chronic oil impacts.
6.
Inoculation with plant-growth promoting bacteria improves seed germination and initial development of Brachiaria decumbens
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OLIVEIRA, JOÃO T.C.
; PEREIRA, ARTHUR P.A.
; SOUZA, ADIJAILTON J. DE
; KUKLINSKY-SOBRAL, JÚLIA
; FREIRE, FERNANDO J.
; SANTOS, MÉRCIA V.F. DOS
; LIRA, MARIO DE A.
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
Abstract The objective of this research was to evaluate the inoculation and co-inoculation of bacteria with biotechnological potential, isolated from Brachiaria decumbens Stapf. and Brachiaria humidicola (Rendle) Schweickerdt, under germination and seedling growth of B. decumbens cv. Basilisk, as well as, to verify the influence of the co-inoculum in the soil indigenous bacterial community. For this, two assays in a completely randomized design were set up. The experimental period was 21 days. In a germination chamber, 25 treatments were evaluated (24 bacterial inoculants and a control – without inoculation). In greenhouse assay, were used five co-inoculations (bacterial consortium). The bacterial consortium was obtained based on the bacterial strain performance in the germination test. In addition, the control and one treatment with mineral fertilizer (NPK) were tested. In germination test, the seed inoculation promoted increases of 61, 40, 144, 82, 6, 96, 91 and 52% in germination vigor, speed germination index, number of absorbent hairs, number of plumules, primary root length, hypocotyl length, total length, and dry matter of seedlings, respectively, when compared to control. The co-inoculation also increased the growth parameters of B. decumbens plants when compared to the control treatment. In addition, promoted changes in the soil bacterial community structure. Becoming an important strategy to increase the germination rate and germination speed of B. decumbens plants.
7.
Casuistry of radiographic examinations of wild animals in the southern region of the state of Rio Grande do Sul, Brazil, from 2017 to 2020
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Cavalcanti, E.A.N.L.D.
; Santos, T.C.
; Passini, Y.
; Sá, M.L.
; Bandarra, P.M.
; Cavalcanti, G.A.O.
; França, R.T.
.
Arquivo Brasileiro de Medicina Veterinária e Zootecnia
- Métricas do periódico
RESUMO A radiologia é uma importante ferramenta complementar para o diagnóstico de diversas afecções em diferentes espécies. O uso de exames complementares na medicina de animais silvestres, em especial o exame de imagem, traz inúmeras informações acerca do paciente. Este trabalho apresenta os dados obtidos por meio de um levantamento dos exames radiográficos realizados em animais silvestres entre os anos de 2017 e 2020, no Laboratório de Diagnóstico de Imagem e Cardiologia (LADIC), do Hospital de Clínicas Veterinárias da Universidade Federal de Pelotas (HCV/UFPel). Ao todo, foram avaliados 464 prontuários, sendo 293 (63,1%) de aves, 135 (29,1%) de mamíferos e 36 (7,8%) de répteis. As alterações mais encontradas nos exames radiológicos foram fratura de membros torácicos para as duas primeiras classes, e pneumonia para a última.
https://doi.org/10.1590/1678-4162-12414
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8.
Chronic aerobic exercise associated to low-dose L-NAME improves contractility without changing calcium handling in rat cardiomyocytes
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Luchi, T.C.
; Coelho, P.M.
; Cordeiro, J.P.
; Assis, A.L.E.M.
; Nogueira, B.V.
; Marques, V.B.
; dos Santos, L.
; Lima-Leopoldo, A.P.
; Lunz, W.
; Leopoldo, A.S.
.
Brazilian Journal of Medical and Biological Research
- Métricas do periódico
Nitric oxide (NO) inhibition by high-dose NG-nitro-L-arginine methyl ester (L-NAME) is associated with several detrimental effects on the cardiovascular system. However, low-dose L-NAME increases NO synthesis, which in turn induces physiological cardiovascular benefits, probably by activating a protective negative feedback mechanism. Aerobic exercise, likewise, improves several cardiovascular functions in healthy hearts, but its effects are not known when chronically associated with low-dose L-NAME. Thus, we tested whether the association between low-dose L-NAME administration and chronic aerobic exercise promotes beneficial effects to the cardiovascular system, evaluating the cardiac remodeling process. Male Wistar rats were randomly assigned to control (C), L-NAME (L), chronic aerobic exercise (Ex), and chronic aerobic exercise associated to L-NAME (ExL). Aerobic training was performed with progressive intensity for 12 weeks; L-NAME (1.5 mg·kg-1·day-1) was administered by orogastric gavage. Low-dose L-NAME alone did not change systolic blood pressure (SBP), but ExL significantly increased SBP at week 8 with normalization after 12 weeks. Furthermore, ExL promoted the elevation of left ventricle (LV) end-diastolic pressure without the presence of cardiac hypertrophy and fibrosis. Time to 50% shortening and relaxation were reduced in ExL, suggesting a cardiomyocyte contractile improvement. In addition, the time to 50% Ca2+ peak was increased without alterations in Ca2+ amplitude and time to 50% Ca2+ decay. In conclusion, the association of chronic aerobic exercise and low-dose L-NAME prevented cardiac pathological remodeling and induced cardiomyocyte contractile function improvement; however, it did not alter myocyte affinity and sensitivity to intracellular Ca2+ handling.
https://doi.org/10.1590/1414-431x20198761
790 downloads
9.
Functional niche differences between native and invasive tree species from the southern Brazilian mixed forest
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LARSEN, JANAINA G.
; FOCKINK, GUILHERME D.
; REDIN, CATIELI L.
; JÚNIOR, CEZÁRIO F. SANTOS
; ZANGALLI, CHARLINE
; CORREOSO, CLAUDIO T.C.
; SANTOS, GUILHERME N. DOS
; BUSS, TAYNARA O.L.
; SANTOS, VANDERLEI DOS
; SILVA, ANA CAROLINA DA
; HIGUCHI, PEDRO
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
Abstract Biological invasion is a major threat to global biodiversity and ecosystem services. We examined the functional traits similarity between a set of native and non-native invasive tree species from the Southern Brazilian subtropical mixed forest, part of an important global hotspot for biodiversity conservation. We hypothesized that invasive species occupy marginal niche spaces. We ordered the species using the Principal Component Analysis based on their wood density, leaf area, and specific leaf area. These are all important traits that summarize essential ecological strategies associated with resource acquisition and conservation. Functional overlaps between non-native and native species were analyzed through kernel density estimation of continuous traits data. While native and non-native invasive species were distributed along the same functional gradients, the position of non-native species in the functional space is species and traits specific. We concluded that within Brazilian subtropical mixed forests, the functional dissimilarity as a key factor in invasion success could not be generalized for all species and traits.
https://doi.org/10.1590/0001-3765202020200410
684 downloads
10.
Fermentation characteristics and chemical composition of elephant grass silage with ground maize and fermented juice of epiphytic lactic acid bacteria
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Bezerra, H.F.C.
; Santos, E.M.
; Oliveira, J.S.
; Carvalho, G.G.P.
; Pinho, R.M.A.
; Silva, T.C.
; Pereira, G.A.
; Cassuce, M.R.
; Zanine, A.M.
.
South African Journal of Animal Science
- Métricas do periódico
This study aimed to evaluate the microbial populations, fermentation profile, dry matter recovery and chemical composition of elephant grass silage with ground maize (GM) and the fermented juice of epiphytic lactic acid bacteria (FJLB). A factorial design was used with four levels of GM (0 g/kg, 50 g/kg, 100 g/kg and 200 g/kg), untreated or treated with FJLB, in a completely randomized design with five replicates. A pre-experiment was undertaken to determine the optimum level of sucrose to be added to fermented juice for the development of epiphytic microflora. In this pre-experiment, a completely randomized design with three replications was used. The treatments were represented by the levels of sucrose (0 g/kg, 5 g/kg, 10 g/kg, 20 g/kg, 40 g/kg, 60 g/kg and 80 g/kg, fresh matter basis). The microbial populations, dry matter recovery, and effluent losses were affected by the interaction between GM and FJLB. Dry matter (DM) and crude protein (CP) contents increased linearly with the inclusion of GM. The addition of GM enhanced the fermentation process via a reduction in losses, and improvements were identified in the nutritional value of elephant grass silages. The use of fermented juice increased dry matter recovery, and its effect was more pronounced when ground maize was added.
https://doi.org/10.4314/sajas.v49i3.13
234 downloads
11.
Neonatal tobacco smoke reduces thermogenesis capacity in brown adipose tissue in adult rats
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Peixoto, T.C.
; Moura, E.G.
; Oliveira, E.
; Younes-Rapozo, V.
; Soares, P.N.
; Rodrigues, V.S.T.
; Santos, T.R.
; Peixoto-Silva, N.
; Carvalho, J.C.
; Calvino, C.
; Conceição, E.P.S.
; Guarda, D.S.
; Claudio-Neto, S.
; Manhães, A.C.
; Lisboa, P.C.
.
Brazilian Journal of Medical and Biological Research
- Métricas do periódico
Maternal smoking is a risk factor for progeny obesity. We have previously shown, in a rat model of neonatal tobacco smoke exposure, a mild increase in food intake and a considerable increase in visceral adiposity in the adult offspring. Males also had secondary hyperthyroidism, while females had only higher T4. Since brown adipose tissue (BAT) hypofunction is related to obesity, here we tested the hypothesis that higher levels of thyroid hormones are not functional in BAT, suggesting a lower metabolic rate. We evaluated autonomic nerve activity in BAT and its function in adult rats that were exposed to tobacco smoke during lactation. At birth, litters were adjusted to 3 male and 3 female pups/litter. From postnatal day (PND) 3 to 21, Wistar lactating rats and their pups were divided into SE group, smoke-exposed in a cigarette smoking machine (4 times/day) and C group, exposed to filtered air. Offspring were sacrificed at PND180. Adult SE rats of both genders had lower interscapular BAT autonomic nervous system activity, with higher BAT mass but no change in morphology. BAT UCP1 and CPT1a protein levels were decreased in the SE groups of both genders. Male SE rats had lower β3-AR, TRα1, and TRβ1 expression while females showed lower PGC1α expression. BAT Dio2 mRNA and hypothalamic POMC and MC4R levels were similar between groups. Hypothalamic pAMPK level was higher in SE males and lower in SE females. Thus, neonatal cigarette smoke exposure induces lower BAT thermogenic capacity, which can be obesogenic at adulthood.
https://doi.org/10.1590/1414-431x20186982
1309 downloads
12.
Involvement of mast cells, CD68+ and VEGF+ expressions in response to Himatanthus drasticus commercial latex in mice wound healing model
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Santos, G.J.L.
; Ferreira, T.C.
; Rodrigues, A.L.M.
; Freitas, J.C.C.
; Morais, S.M.
; Girão, V.C.C.
; Nunes-Pinheiro, D.C.S.
.
Arquivo Brasileiro de Medicina Veterinária e Zootecnia
- Métricas do periódico
RESUMO Objetivou-se avaliar o látex de Himatanthus drasticus em feridas induzidas experimentalmente em camundongos. Os animais foram divididos em quatro grupos (n=7): GI - salina 0,9% (controle), GII - óleo mineral (veículo), GIII - látex comercial de H. drasticus (HdCL) e GIV - fração isolada mista de H. drasticus (MIF, 1mg/mL). Os tratamentos foram aplicados topicamente uma vez ao dia (50µL), durante 14 dias consecutivos. Lesões macroscópicas, as expressões de VEGF+, CD68+ e a participação dos mastócitos (coloração azul de toluidina) foram avaliadas. HdCL induziu maior contração e tecido de granulação exuberante (P >0,05). HdCL induziu leve processo inflamatório enquanto MIF promoveu intenso infiltrado inflamatório predominantemente linfocítico, congestão vascular, hemorragia e reepitelização parcial. Observou-se reorganização das fibras colágenas (coloração picrosírius). A expressão de CD68+ e os mastócitos apresentaram-se moderados, intensos e leves em GI, GIII e GIV, respectivamente. A neovascularização foi observada em todos os grupos, enquanto a expressão de VEGF+ foi mais intensa em MIF em relação a HdCL. Conclui-se que HdCL apresenta potencial de cicatrização por meio da modulação dos mastócitos e das expressões de CD68+ e VEGF+, o que pode estar associado à presença de triterpenos de acordo com MIF isolada de HdCL.
ABSTRACT This study aimed to evaluate Himatanthus drasticus latex in a mice wound healing experimental model. Animals were divided into four groups (n=7) according to the treatments: GI - saline 0.9% (control), GII - mineral oil (vehicle), GIII - H. drasticus commercial latex (HdCL) and GIV - H. drasticus mixed isolated fraction (MIF, 1 mg/mL). The treatments were applied topically once daily, 50 µL for 14 consecutive days. Macroscopic lesions were evaluated, considering parameters such as swelling, redness, granulation tissue and reepithelialization. VEGF+, CD68+ expressions and mast cells (Toluidin blue stain) were evaluated. HdCL induced higher contraction and exuberant granulation tissue (P > 0.05). HdCL showed a mild inflammatory process while MIF induced intense infiltrate inflammatory predominantly by lymphocytes, vascular congestion, bleeding and did not presented full reepithelialization. Reorganization of collagen fibers (red picrosirius stain) was observed. CD68+ expression and mast cells were presented as moderate, intense and mild in GI, GIII and GIV, respectively. Neovascularization occurred in all groups, while VEGF+ expression was intense in MIF in relation to HdCL. We concluded that HdCL presents wound healing potential, through modulation of mast cells, CD68+ and VEGF+ expressions that can be associated to triterpenes presence according MIF isolated from HdCL.
https://doi.org/10.1590/1678-4162-9163
908 downloads
13.
Maternal protein restriction during lactation modulated the expression and activity of rat offspring hepatic CYP1A1, CYP1A2, CYP2B1, CYP2B2, and CYP2E1 during development
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Da Costa, N. Meireles
; Visoni, S.B.C.
; Dos Santos, I.L.
; Barja-Fidalgo, T.C.
; Ribeiro-Pinto, L.F.
.
Brazilian Journal of Medical and Biological Research
- Métricas do periódico
Early nutrition plays a long-term role in the predisposition to chronic diseases and influences the metabolism of several drugs. This may happen through cytochromes P450 (CYPs) regulation, which are the main enzymes responsible for the metabolism of xenobiotics. Here, we analyzed the effects of maternal protein restriction (MPR) on the expression and activity of hepatic offspring’s CYPs during 90 days after birth, using Wistar rats as a mammal model. Hepatic CYP1A1, CYP1A2, CYP2B1, CYP2B2 and CYP2E1 mRNA and protein expression, and associated catalytic activities (ECOD, EROD, MROD, BROD, PROD and PNPH) were evaluated in 15-, 30-, 60-, and 90-day-old offspring from dams fed with either a 0% protein (MPR groups) or a standard diet (C groups) during the 10 first days of lactation. Results showed that most CYP genes were induced in 60- and 90-day-old MPR offspring. The inductions detected in MPR60 and MPR90 were of 5.0- and 2.0-fold (CYP1A2), 3.7- and 2.0-fold (CYP2B2) and 9.8- and 5.8– fold (CYP2E1), respectively, and a 3.8-fold increase of CYP2B1 in MPR90. No major alterations were detected in CYP protein expression. The most relevant CYP catalytic activities’ alterations were observed in EROD, BROD and PNPH. Nevertheless, they did not follow the same pattern observed for mRNA expression, except for an induction of EROD in MPR90 (3.5-fold) and of PNPH in MPR60 (2.2-fold). Together, these results suggest that MPR during lactation was capable of altering the expression and activity of the hepatic CYP enzymes evaluated in the offspring along development.
https://doi.org/10.1590/1414-431x20165238
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14.
Aminas bioativas e qualidade da carne de frangos de corte
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Assis, D.C.S.
; Menezes, L.D. M.
; Silva, G.R.
; Caccioppoli, J.
; Santos, E.L.S.
; Heneine, L.G.D.
; Figueiredo, T.C.
; Cançado, S.V.
.
Arquivo Brasileiro de Medicina Veterinária e Zootecnia
- Métricas do periódico
Com o objetivo de avaliar a qualidade da carne de frangos de corte mediante pesquisa dos níveis de aminas bioativas, foram coletadas, pelos serviços de inspeção oficiais, 160 amostras de carcaças provenientes de cinco regiões distintas do estado de Minas Gerais, durante o período de um ano. As poliaminas (espermidina e espermina) e as aminas biogênicas (putrescina, cadaverina, histamina, tiramina) foram pesquisadas por cromatografia líquida de alta eficiência e detecção ultravioleta (CLAE/UV). Os resultados encontrados demonstraram a presença das poliaminas, espermidina e espermina, em todas as amostras, em concentrações médias de 3,56mg/100g e 5,72mg/100g, respectivamente. Em todas as amostras foram detectadas, em concentrações muito baixas, as aminas putrescina, cadaverina, histamina e tiramina. Foi concluído que a carne de frangos de corte produzida no estado de Minas Gerais é uma fonte de poliaminas, importantes para o crescimento e a proliferação celular, e que os baixos teores de aminas biogênicas encontrados não representam riscos à saúde do consumidor, indicando que esse tipo de carne apresenta boa qualidade, tomando por base o critério de aminas bioativas.
ABSTRACT In order to evaluate the meat quality of broiler chickens by searching the bioactive amines level, 160 samples of carcass from the five regions of the Minas Gerais State, were collected during one year by the official inspection service. The poliamines (spermidine and spermine) and the biogenic amines (putrescine, cadaverine, histamine and tyramine) were determined by high performance liquid chromatography with ultraviolet detection (HPLC/UV). The results demonstrated the presence of polyamines spermidine and spermine in all samples, at mean concentrations of 3.56mg/100g and 5.72mg/100g, respectively. The biogenic amines putrescine, cadaverine, histamine and tyramine were also found, but in low concentrations. It was concluded that the chicken broiler meat produced in Minas Gerais state is a source of polyamines, important for growth and cell proliferation; and that the biogenic amine levels found were low, and do not represent risks to consumer health, indicating that it has good quality, based on the criterion of bioactive amine.
https://doi.org/10.1590/1678-4162-7701
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15.
Growing knowledge: an overview of Seed Plant diversity in Brazil
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Zappi, Daniela C.
; Filardi, Fabiana L. Ranzato
; Leitman, Paula
; Souza, Vinícius C.
; Walter, Bruno M.T.
; Pirani, José R.
; Morim, Marli P.
; Queiroz, Luciano P.
; Cavalcanti, Taciana B.
; Mansano, Vidal F.
; Forzza, Rafaela C.
; Abreu, Maria C.
; Acevedo-Rodríguez, Pedro
; Agra, Maria F.
; Almeida Jr., Eduardo B.
; Almeida, Gracineide S.S.
; Almeida, Rafael F.
; Alves, Flávio M.
; Alves, Marccus
; Alves-Araujo, Anderson
; Amaral, Maria C.E.
; Amorim, André M.
; Amorim, Bruno
; Andrade, Ivanilza M.
; Andreata, Regina H.P.
; Andrino, Caroline O.
; Anunciação, Elisete A.
; Aona, Lidyanne Y.S.
; Aranguren, Yani
; Aranha Filho, João L.M.
; Araújo, Andrea O.
; Araújo, Ariclenes A.M.
; Araújo, Diogo
; Arbo, María M.
; Assis, Leandro
; Assis, Marta C.
; Assunção, Vivian A.
; Athiê-Souza, Sarah M.
; Azevedo, Cecilia O.
; Baitello, João B.
; Barberena, Felipe F.V.A.
; Barbosa, Maria R.V.
; Barros, Fábio
; Barros, Lucas A.V.
; Barros, Michel J.F.
; Baumgratz, José F.A.
; Bernacci, Luis C.
; Berry, Paul E.
; Bigio, Narcísio C.
; Biral, Leonardo
; Bittrich, Volker
; Borges, Rafael A.X.
; Bortoluzzi, Roseli L.C.
; Bove, Cláudia P.
; Bovini, Massimo G.
; Braga, João M.A.
; Braz, Denise M.
; Bringel Jr., João B.A.
; Bruniera, Carla P.
; Buturi, Camila V.
; Cabral, Elza
; Cabral, Fernanda N.
; Caddah, Mayara K.
; Caires, Claudenir S.
; Calazans, Luana S.B.
; Calió, Maria F.
; Camargo, Rodrigo A.
; Campbell, Lisa
; Canto-Dorow, Thais S.
; Carauta, Jorge P.P.
; Cardiel, José M.
; Cardoso, Domingos B.O.S.
; Cardoso, Leandro J.T.
; Carneiro, Camila R.
; Carneiro, Cláudia E.
; Carneiro-Torres, Daniela S.
; Carrijo, Tatiana T.
; Caruzo, Maria B.R.
; Carvalho, Maria L.S.
; Carvalho-Silva, Micheline
; Castello, Ana C.D.
; Cavalheiro, Larissa
; Cervi, Armando C.
; Chacon, Roberta G.
; Chautems, Alain
; Chiavegatto, Berenice
; Chukr, Nádia S.
; Coelho, Alexa A.O.P.
; Coelho, Marcus A.N.
; Coelho, Rubens L.G.
; Cordeiro, Inês
; Cordula, Elizabeth
; Cornejo, Xavier
; Côrtes, Ana L.A.
; Costa, Andrea F.
; Costa, Fabiane N.
; Costa, Jorge A.S.
; Costa, Leila C.
; Costa-e-Silva, Maria B.
; Costa-Lima, James L.
; Cota, Maria R.C.
; Couto, Ricardo S.
; Daly, Douglas C.
; De Stefano, Rodrigo D.
; De Toni, Karen
; Dematteis, Massimiliano
; Dettke, Greta A.
; Di Maio, Fernando R.
; Dórea, Marcos C.
; Duarte, Marília C.
; Dutilh, Julie H.A.
; Dutra, Valquíria F.
; Echternacht, Lívia
; Eggers, Lilian
; Esteves, Gerleni
; Ezcurra, Cecilia
; Falcão Junior, Marcus J.A.
; Feres, Fabíola
; Fernandes, José M.
; Ferreira, D.M.C.
; Ferreira, Fabrício M.
; Ferreira, Gabriel E.
; Ferreira, Priscila P.A.
; Ferreira, Silvana C.
; Ferrucci, Maria S.
; Fiaschi, Pedro
; Filgueiras, Tarciso S.
; Firens, Marcela
; Flores, Andreia S.
; Forero, Enrique
; Forster, Wellington
; Fortuna-Perez, Ana P.
; Fortunato, Reneé H.
; Fraga, Cléudio N.
; França, Flávio
; Francener, Augusto
; Freitas, Joelcio
; Freitas, Maria F.
; Fritsch, Peter W.
; Furtado, Samyra G.
; Gaglioti, André L.
; Garcia, Flávia C.P.
; Germano Filho, Pedro
; Giacomin, Leandro
; Gil, André S.B.
; Giulietti, Ana M.
; A.P.Godoy, Silvana
; Goldenberg, Renato
; Gomes da Costa, Géssica A.
; Gomes, Mário
; Gomes-Klein, Vera L.
; Gonçalves, Eduardo Gomes
; Graham, Shirley
; Groppo, Milton
; Guedes, Juliana S.
; Guimarães, Leonardo R.S.
; Guimarães, Paulo J.F.
; Guimarães, Elsie F.
; Gutierrez, Raul
; Harley, Raymond
; Hassemer, Gustavo
; Hattori, Eric K.O.
; Hefler, Sonia M.
; Heiden, Gustavo
; Henderson, Andrew
; Hensold, Nancy
; Hiepko, Paul
; Holanda, Ana S.S.
; Iganci, João R.V.
; Imig, Daniela C.
; Indriunas, Alexandre
; Jacques, Eliane L.
; Jardim, Jomar G.
; Kamer, Hiltje M.
; Kameyama, Cíntia
; Kinoshita, Luiza S.
; Kirizawa, Mizué
; Klitgaard, Bente B.
; Koch, Ingrid
; Koschnitzke, Cristiana
; Krauss, Nathália P.
; Kriebel, Ricardo
; Kuntz, Juliana
; Larocca, João
; Leal, Eduardo S.
; Lewis, Gwilym P.
; Lima, Carla T.
; Lima, Haroldo C.
; Lima, Itamar B.
; Lima, Laíce F.G.
; Lima, Laura C.P.
; Lima, Leticia R.
; Lima, Luís F.P.
; Lima, Rita B.
; Lírio, Elton J.
; Liro, Renata M.
; Lleras, Eduardo
; Lobão, Adriana
; Loeuille, Benoit
; Lohmann, Lúcia G.
; Loiola, Maria I.B.
; Lombardi, Julio A.
; Longhi-Wagner, Hilda M.
; Lopes, Rosana C.
; Lorencini, Tiago S.
; Louzada, Rafael B.
; Lovo, Juliana
; Lozano, Eduardo D.
; Lucas, Eve
; Ludtke, Raquel
; Luz, Christian L.
; Maas, Paul
; Machado, Anderson F.P.
; Macias, Leila
; Maciel, Jefferson R.
; Magenta, Mara A.G.
; Mamede, Maria C.H.
; Manoel, Evelin A.
; Marchioretto, Maria S.
; Marques, Juliana S.
; Marquete, Nilda
; Marquete, Ronaldo
; Martinelli, Gustavo
; Martins da Silva, Regina C.V.
; Martins, Ângela B.
; Martins, Erika R.
; Martins, Márcio L.L.
; Martins, Milena V.
; Martins, Renata C.
; Matias, Ligia Q.
; Maya-L., Carlos A.
; Mayo, Simon
; Mazine, Fiorella
; Medeiros, Debora
; Medeiros, Erika S.
; Medeiros, Herison
; Medeiros, João D.
; Meireles, José E.
; Mello-Silva, Renato
; Melo, Aline
; Melo, André L.
; Melo, Efigênia
; Melo, José I.M.
; Menezes, Cristine G.
; Menini Neto, Luiz
; Mentz, Lilian A.
; Mezzonato, A.C.
; Michelangeli, Fabián A.
; Milward-de-Azevedo, Michaele A.
; Miotto, Silvia T.S.
; Miranda, Vitor F.O.
; Mondin, Cláudio A.
; Monge, Marcelo
; Monteiro, Daniele
; Monteiro, Raquel F.
; Moraes, Marta D.
; Moraes, Pedro L.R.
; Mori, Scott A.
; Mota, Aline C.
; Mota, Nara F.O.
; Moura, Tania M.
; Mulgura, Maria
; Nakajima, Jimi N.
; Nardy, Camila
; Nascimento Júnior, José E.
; Noblick, Larry
; Nunes, Teonildes S.
; O'Leary, Nataly
; Oliveira, Arline S.
; Oliveira, Caetano T.
; Oliveira, Juliana A.
; Oliveira, Luciana S.D.
; Oliveira, Maria L.A.A.
; Oliveira, Regina C.
; Oliveira, Renata S.
; Oliveira, Reyjane P.
; Paixão-Souza, Bruno
; Parra, Lara R.
; Pasini, Eduardo
; Pastore, José F.B.
; Pastore, Mayara
; Paula-Souza, Juliana
; Pederneiras, Leandro C.
; Peixoto, Ariane L.
; Pelissari, Gisela
; Pellegrini, Marco O.O.
; Pennington, Toby
; Perdiz, Ricardo O.
; Pereira, Anna C.M.
; Pereira, Maria S.
; Pereira, Rodrigo A.S.
; Pessoa, Clenia
; Pessoa, Edlley M.
; Pessoa, Maria C.R.
; Pinto, Luiz J.S.
; Pinto, Rafael B.
; Pontes, Tiago A.
; Prance, Ghillean T.
; Proença, Carolyn
; Profice, Sheila R.
; Pscheidt, Allan C.
; Queiroz, George A.
; Queiroz, Rubens T.
; Quinet, Alexandre
; Rainer, Heimo
; Ramos, Eliana
; Rando, Juliana G.
; Rapini, Alessandro
; Reginato, Marcelo
; Reis, Ilka P.
; Reis, Priscila A.
; Ribeiro, André R.O.
; Ribeiro, José E.L.S.
; Riina, Ricarda
; Ritter, Mara R.
; Rivadavia, Fernando
; Rocha, Antônio E.S.
; Rocha, Maria J.R.
; Rodrigues, Izabella M.C.
; Rodrigues, Karina F.
; Rodrigues, Rodrigo S.
; Rodrigues, Rodrigo S.
; Rodrigues, Vinícius T.
; Rodrigues, William
; Romaniuc Neto, Sérgio
; Romão, Gerson O.
; Romero, Rosana
; Roque, Nádia
; Rosa, Patrícia
; Rossi, Lúcia
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; Saavedra, Mariana M.
; Saka, Mariana
; Sakuragui, Cássia M.
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; Sales, Margareth F.
; Salimena, Fatima R.G.
; Sampaio, Daniela
; Sancho, Gisela
; Sano, Paulo T.
; Santos, Alessandra
; Santos, Élide P.
; Santos, Juliana S.
; Santos, Marianna R.
; Santos-Gonçalves, Ana P.
; Santos-Silva, Fernanda
; São-Mateus, Wallace
; Saraiva, Deisy P.
; Saridakis, Dennis P.
; Sartori, Ângela L.B.
; Scalon, Viviane R.
; Schneider, Ângelo
; Sebastiani, Renata
; Secco, Ricardo S.
; Senna, Luisa
; Senna-Valle, Luci
; Shirasuna, Regina T.
; Silva Filho, Pedro J.S.
; Silva, Anádria S.
; Silva, Christian
; Silva, Genilson A.R.
; Silva, Gisele O.
; Silva, Márcia C.R.
; Silva, Marcos J.
; Silva, Marcos J.
; Silva, Otávio L.M.
; Silva, Rafaela A.P.
; Silva, Saura R.
; Silva, Tania R.S.
; Silva-Gonçalves, Kelly C.
; Silva-Luz, Cíntia L.
; Simão-Bianchini, Rosângela
; Simões, André O.
; Simpson, Beryl
; Siniscalchi, Carolina M.
; Siqueira Filho, José A.
; Siqueira, Carlos E.
; Siqueira, Josafá C.
; Smith, Nathan P.
; Snak, Cristiane
; Soares Neto, Raimundo L.
; Soares, Kelen P.
; Soares, Marcos V.B.
; Soares, Maria L.
; Soares, Polyana N.
; Sobral, Marcos
; Sodré, Rodolfo C.
; Somner, Genise V.
; Sothers, Cynthia A.
; Sousa, Danilo J.L.
; Souza, Elnatan B.
; Souza, Élvia R.
; Souza, Marcelo
; Souza, Maria L.D.R.
; Souza-Buturi, Fátima O.
; Spina, Andréa P.
; Stapf, María N.S.
; Stefano, Marina V.
; Stehmann, João R.
; Steinmann, Victor
; Takeuchi, Cátia
; Taylor, Charlotte M.
; Taylor, Nigel P.
; Teles, Aristônio M.
; Temponi, Lívia G.
; Terra-Araujo, Mário H.
; Thode, Veronica
; Thomas, W.Wayt
; Tissot-Squalli, Mara L.
; Torke, Benjamin M.
; Torres, Roseli B.
; Tozzi, Ana M.G.A.
; Trad, Rafaela J.
; Trevisan, Rafael
; Trovó, Marcelo
; Valls, José F.M.
; Vaz, Angela M.S.F.
; Versieux, Leonardo
; Viana, Pedro L.
; Vianna Filho, Marcelo D.M.
; Vieira, Ana O.S.
; Vieira, Diego D.
; Vignoli-Silva, Márcia
; Vilar, Thaisa
; Vinhos, Franklin
; Wallnöfer, Bruno
; Wanderley, Maria G.L.
; Wasshausen, Dieter
; Watanabe, Maurício T.C.
; Weigend, Maximilian
; Welker, Cassiano A.D.
; Woodgyer, Elizabeth
; Xifreda, Cecilia C.
; Yamamoto, Kikyo
; Zanin, Ana
; Zenni, Rafael D.
; Zickel, Carmem S
.
Resumo Um levantamento atualizado das plantas com sementes e análises relevantes acerca desta biodiversidade são apresentados. Este trabalho se iniciou em 2010 com a publicação do Catálogo de Plantas e Fungos e, desde então vem sendo atualizado por mais de 430 especialistas trabalhando online. O Brasil abriga atualmente 32.086 espécies nativas de Angiospermas e 23 espécies nativas de Gimnospermas e estes novos dados mostram um aumento de 3% da riqueza em relação a 2010. A Amazônia é o Domínio Fitogeográfico com o maior número de espécies de Gimnospermas, enquanto que a Floresta Atlântica possui a maior riqueza de Angiospermas. Houve um crescimento considerável no número de espécies e nas taxas de endemismo para a maioria dos Domínios (Caatinga, Cerrado, Floresta Atlântica, Pampa e Pantanal), com exceção da Amazônia que apresentou uma diminuição de 2,5% de endemicidade. Entretanto, a maior parte das plantas com sementes que ocorrem no Brasil (57,4%) é endêmica deste território. A proporção de formas de vida varia de acordo com os diferentes Domínios: árvores são mais expressivas na Amazônia e Floresta Atlântica do que nos outros biomas, ervas são dominantes no Pampa e as lianas apresentam riqueza expressiva na Amazônia, Floresta Atlântica e Pantanal. Este trabalho não só quantifica a biodiversidade brasileira, mas também indica as lacunas de conhecimento e o desafio a ser enfrentado para a conservação desta flora.
Abstract An updated inventory of Brazilian seed plants is presented and offers important insights into the country's biodiversity. This work started in 2010, with the publication of the Plants and Fungi Catalogue, and has been updated since by more than 430 specialists working online. Brazil is home to 32,086 native Angiosperms and 23 native Gymnosperms, showing an increase of 3% in its species richness in relation to 2010. The Amazon Rainforest is the richest Brazilian biome for Gymnosperms, while the Atlantic Rainforest is the richest one for Angiosperms. There was a considerable increment in the number of species and endemism rates for biomes, except for the Amazon that showed a decrease of 2.5% of recorded endemics. However, well over half of Brazillian seed plant species (57.4%) is endemic to this territory. The proportion of life-forms varies among different biomes: trees are more expressive in the Amazon and Atlantic Rainforest biomes while herbs predominate in the Pampa, and lianas are more expressive in the Amazon, Atlantic Rainforest, and Pantanal. This compilation serves not only to quantify Brazilian biodiversity, but also to highlight areas where there information is lacking and to provide a framework for the challenge faced in conserving Brazil's unique and diverse flora.
https://doi.org/10.1590/2175-7860201566411
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