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1.
Theriogenology ; 224: 19-25, 2024 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-38718738

RESUMO

The objective of this study was to verify the causes of the lower response of primiparous Bos indicus cows to the ovulation synchronization protocol. Two experiments were performed to evaluate the biochemical profile, oocyte and follicular cell quality (Experiment 1) and pregnancy (Experiment 2). In Experiment 1, suckled primiparous (n = 24) and multiparous cows (n = 24) were submitted to ovum pick up (OPU). On Day 0 (D0), all cows received 2 mg of estradiol benzoate (EB) and an intravaginal progesterone insert (P4). Five days (D5) after the first hormonal administration (EB + P4), all follicles larger than 3 mm were counted on each ovary, and ovum pick-up (OPU) was performed. On day 12 (D12), the intravaginal progesterone insert was removed, and measurement and aspiration of the largest follicle were performed. Blood samples were collected on D5 and D12 to evaluate the concentrations of glucose, cholesterol, NEFA, IGF-1 and insulin. In Experiment 2, suckled primiparous (n = 50) and multiparous (n = 50) cows were subjected to an ovulation synchronization protocol based on E2/P4 (D0: 2 mg EB plus P4 intravaginal insert; D8: 500 µg of cloprostenol, 1 mg cypionate estradiol and 300UI of eCG; D10: artificial insemination). In addition, blood samples were collected on D10 for evaluation of the same hormones and metabolites described in Experiment 1. In all studies, calves remained with the cows during the experimental period. In experiment 1, the number of oocytes grade 1 (P = 0.83), grade 2 (P = 0.23) and grade 3 (P = 0.51), total number of retrieved oocytes (P = 0.14), oocyte quality index (P = 0.93) and total viable oocytes (P = 0.38) did not differ between primiparous and multiparous cows. The number of follicles at the time of follicular aspiration (20.7 ± 1.5 vs. 18.0 ± 1.9; P = 0.05) and the diameter of the largest follicle on D12 (13.5 ± 0.6 vs. 11.4 ± 0.6; P = 0.04) were greater in multiparous cows, and the number of degenerated oocytes was greater in primiparous cows (1.9 ± 0.7 vs. 1.2 ± 0.3; P = 0.05). On D5, the concentrations of IGF-1 (P = 0.47), insulin (P = 0.08), total cholesterol (P = 0.47), NEFA (P = 0.77) and glucose (P = 0.55) in the blood and IGF-1 (P = 0.97) and insulin (P = 0.11) in the follicular fluid did not differ between parity groups. On D12, there was no difference in the concentrations of IGF-1 (P = 0.26), total cholesterol (P = 0.32), NEFAs (P = 0.31) and glucose (P = 0.93) in the blood between primiparous and multiparous cows, however, the serum insulin concentration (P = 0.04) was higher in primiparous cows. There was no correlation between serum and follicular fluid insulin concentrations (r = 0.17; P = 0.31), however, there was a low correlation between serum and follicular fluid IGF-1 concentrations (r = 0.47; P = 0.002). Quantification of transcripts did not differ between parity groups. In experiment 2, concentrations of NEFA (P = 0.12) and insulin (P = 0.16) in the blood and P/AI (P = 0.93) did not differ between parity [60 % (30/50) primiparous vs. 60 % (30/50) multiparous]. In contrast, blood concentrations of IGF-1 (P = 0.0001), total cholesterol (P = 0.005) and glucose (P = 0.01) were greater in primiparous cows. It was concluded that the oocyte quality and expression of the genes evaluated in the granulosa cells were not different between primiparous and multiparous cows. Unexpectedly, the pregnancy rate did not differ between parity. Nevertheless, the blood concentrations of IGF-1, total cholesterol and glucose were greater in primiparous cows.


Assuntos
Sincronização do Estro , Inseminação Artificial , Oócitos , Animais , Bovinos/fisiologia , Feminino , Inseminação Artificial/veterinária , Gravidez , Oócitos/efeitos dos fármacos , Sincronização do Estro/métodos , Paridade , Folículo Ovariano/efeitos dos fármacos , Estradiol/administração & dosagem , Estradiol/análogos & derivados , Estradiol/farmacologia , Estradiol/sangue , Progesterona/sangue , Progesterona/administração & dosagem , Progesterona/farmacologia
2.
Theriogenology ; 218: 56-61, 2024 Apr 01.
Artigo em Inglês | MEDLINE | ID: mdl-38301507

RESUMO

The objective of the present study was to evaluate the effect of estradiol valerate administered at the beginning of the ovulation synchronization protocol on the pregnancy rate of Bos indicus cows. In the experiments, the following products from MSD, Sao Paulo, Brazil were used: estradiol valerate (EV), estradiol benzoate (EB), intravaginal progesterone device (P4), estradiol cypionate (EC), equine chorionic gonadotropin (eCG) and cloprostenol (PGF). In Experiment 1, Bos indicus cows (n=899) with a body condition score (BCS) of 2.76 ± 0.01 were included in a 3 (device) × 2 (protocol: 5 mg of EV or 2 mg of EB) factorial design. There were three types of P4 devices: a new device (New), a device previously used for 9 days (1×), and a device previously used for 18 days (2×). Nine days later (D9), the P4 device was removed, and cows received 300 IU of eCG. In addition, cows in the EB group received 1 mg of EC and 265 µg of PGF. Timed artificial insemination (TAI) was performed 48 h after P4 device removal in the EB group (TAI48) and 54 h after P4 device removal in the EV group (TAI54). In Experiment 2, Bos indicus cows (n=434) with a BCS of 2.62 ± 0.01 received a new P4 device or one previously used for 9 days and 5 mg of EV. On D9, all cows received 300 IU of eCG, and the P4 devices were removed and distributed in TAI48 and TAI54 cows. In Experiment 3, Bos indicus cows (n=429) with a BCS of 2.80 ± 0.01 were divided into the control and EV/EC groups. All cows received a P4 device. In addition, cows in the control group received 2 mg of EB, and cows in the EV/EC group received 5 mg of EV on D0. On D9, all cows received 1 mg of EC and 300 IU of eCG, and the P4 devices were removed. Cows in the control group also received 265 µg of PGF. All cows were inseminated 48 h after the removal of the P4 device. In Experiment 1, there was no effect of the interaction between protocol and P4 device on the occurrence of estrus (P=0.45) or on the pregnancy per artificial insemination ratio (P/AI; P=0.30). In addition, the occurrence of estrus and P/AI were not different between in the two estradiol groups (P=0.12 and P=0.82) and across the types of intravaginal P4 device (P=0.91 and P=0.47). In Experiment 2, the pregnancy rate was lower (tendency) in TAI48 cows (P=0.07). In Experiment 3, the estrus rate (P=0.12) and P/AI (P=0.56) were similar between the experimental groups. In summary, protocols using estradiol valerate without exogenous ovulation induction require adjustments in the timing of AI from 48 to 54 h after P4 device removal. However, a combination of estradiol valerate at the beginning of the protocol and estradiol cypionate nine days later successfully induced ovulation in Bos indicus cows inseminated 48 h after P4 device removal.


Assuntos
Estradiol , Estradiol/análogos & derivados , Progesterona , Gravidez , Feminino , Bovinos , Animais , Cavalos , Brasil , Estradiol/farmacologia , Progesterona/farmacologia , Ovulação , Inseminação Artificial/veterinária , Inseminação Artificial/métodos , Sincronização do Estro/métodos
3.
Adv Exp Med Biol ; 1439: 51-70, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37843805

RESUMO

Microorganisms are ubiquitous in diverse habitats and studying their chemical interactions with the environment and comprehend its complex relations with both hosts and environment, are crucial for the development of strategies to control microbial diseases. This chapter discusses the importance of studying microorganisms with agricultural benefits, using specialized metabolites as examples. Herein we highlight the challenges and opportunities in utilizing microorganisms as alternatives to synthetic pesticides and fertilizers in agriculture. Genome-guided investigations and improved analytical methodologies are necessary to characterize diverse and complex biomolecules produced by microorganisms. Predicting and isolating bioproducts based on genetic information have become a focus for researchers, aided by tools like antiSMASH, BiG-SCAPE, PRISM, and others. However, translating genomic data into practical applications can be complex. Therefore, integrating genomics, transcriptomics, and metabolomics enhances chemical characterization, aiding in discovering new metabolic pathways and specialized metabolites. Additionally, elicitation is one promising strategy to enhance beneficial metabolite production. Finally, identify and characterize microbial secondary metabolites remain challenging due to their low production, complex chemical structure characterization and different environmental factors necessary for metabolite in vitro production.


Assuntos
Metabolômica , Praguicidas , Metabolômica/métodos , Genômica/métodos , Redes e Vias Metabólicas , Perfilação da Expressão Gênica
4.
SAGE Open Med ; 11: 20503121231199655, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37808513

RESUMO

Objectives: To identify risk factors for loss to follow-up in periodic intravitreal anti-vascular endothelial growth factor injections for the treatment patients with diabetic macular edema, subretinal neovascularization, age-related macular degeneration, and retinal vein occlusion in a single eye center in São Paulo, Brazil. Methods: This was a retrospective longitudinal study that gathered information from 992 patients who required intravitreal anti-vascular endothelial growth factor drugs over 6 months. The authors included age, eye disease, laterality, monthly income, distance, and payment mode as risk factors. Results: Two hundred and seventy patients (29.93%) were lost to follow-up. Multivariate analysis showed age, monthly income, eye involvement, and type of medical assistance independently associated with loss to follow-up. The odds of loss to follow-up were greater among older patients than those less than 50 years (reference), p < 0.001. The odds of loss to follow-up were greater among patients who received unilateral treatment than those who received bilateral injections (p = 0.013). Concerning gross monthly income, there were no differences in the odds of the four salary strata; the data also indicate an absence of difference in the three strata of patients' distance to the clinic. Considering the diagnosis, only age-related macular degeneration showed greater odds of loss to follow-up (p = 0.016). Finally, the data suggest greater odds of loss to follow-up in private patients than in those on a health care plan (p < 0.001). Conclusion: Loss to follow-up is paramount because many patients may remain unassisted concerning their eye diseases. Identifying the risk factors is crucial to enforcing measures to increase adherence and the long-term success of the treatment.

5.
Rev Bras Ginecol Obstet ; 45(3): 149-158, 2023 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-37105199

RESUMO

OBJECTIVE: This article aims to review the literature regarding the use of technologies to promote mental health for pregnant women. We seek to: understand the strategies that pregnant women use for mental health care. Also, we investigate the existence of scientific evidence that validates such practices. METHODS: This study follows the PRISMA guidelines for systematic reviews. We analyze 27 studies published between 2012 and 2019. We include publications in Portuguese, English, and Spanish. RESULTS: The results revealed several different possibilities to use technology, including the use of text messages and mobile applications on smartphones. Mobile applications are the most commonly used approaches (22.5%). Regarding the strategies used, cognitive-behavioral approaches, including mood checks, relaxation exercises, and psychoeducation comprised 44.12% of the content. CONCLUSION: There is a need for further investigation and research and development efforts in this field to better understand the possibilities of intervention in mental health in the digital age.


OBJETIVO: Este artigo objetiva revisar a literatura quanto ao uso das tecnologias como promotoras de saúde mental de gestantes. Desta forma, compreender quais são as estratégias utilizadas no cuidado da saúde mental dessas mulheres, assim como verificar se há evidências científicas que justifiquem a implementação dessas práticas. MéTODOS:: Este estudo segue o protocolo PRISMA para revisões sistemáticas de 27 estudos publicados em 2012-2019, incluindo publicações em português, inglês e espanhol. RESULTADOS: Os resultados revelaram diferentes possibilidades de utilização da tecnologia, sendo o uso de mensagens de texto e de aplicativos em smartphones mais os utilizados (22,5%). No que se refere às ferramentas utilizadas, estratégias cognitivo-comportamentais, tais como verificação do humor, exercícios de relaxamento e psicoeducação compreenderam 44,12% do conteúdo. CONCLUSãO:: Verifica-se a necessidade de mais investimentos nessa área para que se possa compreender as possibilidades de intervenção em saúde mental na era digital.


Assuntos
Terapia Cognitivo-Comportamental , Aplicativos Móveis , Gravidez , Humanos , Feminino , Gestantes , Saúde Mental , Tecnologia
6.
Rev. bras. ginecol. obstet ; Rev. bras. ginecol. obstet;45(3): 149-159, Mar. 2023. tab, graf
Artigo em Inglês | LILACS | ID: biblio-1449714

RESUMO

Abstract Objective: This article aims to review the literature regarding the use of technologies to promote mental health for pregnant women. We seek to: understand the strategies that pregnant women use for mental health care. Also, we investigate the existence of scientific evidence that validates such practices. Methods: This study follows the PRISMA guidelines for systematic reviews. We analyze 27 studies published between 2012 and 2019. We include publications in Portuguese, English, and Spanish. Results: The results revealed several different possibilities to use technology, including the use of text messages and mobile applications on smartphones. Mobile applications are the most commonly used approaches (22.5%). Regarding the strategies used, cognitive-behavioral approaches, including mood checks, relaxation exercises, and psychoeducation comprised 44.12% of the content. Conclusion: There is a need for further investigation and research and development efforts in this field to better understand the possibilities of intervention in mental health in the digital age.


Resumo Objetivo: Este artigo objetiva revisar a literatura quanto ao uso das tecnologias como promotoras de saúde mental de gestantes. Desta forma, compreender quais são as estratégias utilizadas no cuidado da saúde mental dessas mulheres, assim como verificar se há evidências científicas que justifiquem a implementação dessas práticas. Métodos: Este estudo segue o protocolo PRISMA para revisões sistemáticas de 27 estudos publicados em 2012-2019, incluindo publicações em português, inglês e espanhol. Resultados: Os resultados revelaram diferentes possibilidades de utilização da tecnologia, sendo o uso de mensagens de texto e de aplicativos em smartphones mais os utilizados (22,5%). No que se refere às ferramentas utilizadas, estratégias cognitivo-comportamentais, tais como verificação do humor, exercícios de relaxamento e psicoeducação compreenderam 44,12% do conteúdo. Conclusão: Verifica-se a necessidade de mais investimentos nessa área para que se possa compreender as possibilidades de intervenção em saúde mental na era digital.


Assuntos
Humanos , Feminino , Gravidez , Complicações na Gravidez , Cuidado Pré-Natal , Telemedicina , Sintomas Afetivos/prevenção & controle
7.
J Cancer Educ ; 38(3): 940-947, 2023 06.
Artigo em Inglês | MEDLINE | ID: mdl-36029416

RESUMO

AIM: In this study, we evaluated the impact of an integrated oral care protocol for pediatric patients undergoing antineoplastic treatment from the perspective of the multidisciplinary team, oral healthcare team, and caregivers. SUBJECT AND METHODS: This was a qualitative study carried out in the pediatric sector of a reference cancer hospital in Brazil. Focus group and individual semi-structured interview techniques were used, and the data were analyzed by the Discourse of the Collective Subject (DCS) method. RESULTS: A total of 44 professionals involved in providing care to children and adolescents with cancer and 38 caregivers were interviewed. All interviewees perceived an improvement in the patients' oral health condition. Health professionals reported a reduction in the occurrence and severity of oral mucositis (OM). Communicating with the medical team and understanding the importance of oral care to the patient's systemic condition were the greatest difficulties reported by the oral healthcare team. CONCLUSION: This implementation project contributed to establishing a complete multidisciplinary team to assist pediatric patients in all their needs during antineoplastic treatment. The integrated oral care protocol further contributed to reducing the occurrence and severity of OM by increasing its surveillance and diagnostic efficiency, which, altogether, improved the patients' quality of life.


Assuntos
Antineoplásicos , Neoplasias , Estomatite , Adolescente , Criança , Humanos , Qualidade de Vida , Neoplasias/tratamento farmacológico , Antineoplásicos/efeitos adversos , Estomatite/prevenção & controle , Estomatite/induzido quimicamente , Pacientes
8.
Demetra (Rio J.) ; 18: 70197, 2023.
Artigo em Inglês, Português | LILACS | ID: biblio-1518645

RESUMO

Introdução: O número de adeptos ao vegetarianismo tem crescido consideravelmente. Observa-se que, entre as vantagens de se adotar uma dieta vegetariana, está o menor risco de desenvolver sobrepeso e obesidade, o que pode estar relacionado com o alto consumo de vegetais e práticas importantes de estilo de vida. Objetivos: Avaliar o estado nutricional e a frequência do consumo alimentar de vegetarianos não estritos e estritos. Métodos: Estudo transversal descritivo, realizado com participantes do grupo "Vegans SLZ", de ambos os sexos e com idade a partir de 18 anos. A coleta de dados ocorreu de janeiro a março de 2020. Foi realizada aplicação de questionários sobre dados de frequência do consumo alimentar, socioeconômico e de estilo de vida e a aferição de medidas de peso corporal, estatura e de percentuais de gordura corporal e massa muscular. Os dados foram tabulados no Excel 2010® e analisados no programa estatístico R Studio versão 3.6.1. Resultados: Dos 43 vegetarianos avaliados, a maioria seguia a dieta vegetariana estrita (55,81%) e era eutrófica (62,79%), 32,56% apresentaram alto percentual de gordura corporal e 53,49% percentual de massa magra corporal normal. Foi frequente o consumo de pães, cereais, tubérculos, leguminosas, oleaginosas, frutas e verduras, e 41% consumiam alimentos industrializados de 4 a 7 vezes por semana. Conclusões: A maioria da amostra tinha estado nutricional eutrófico e consumo regular de todos os grupos alimentares, porém com importante consumo de alimentos industrializados.


Introduction: The number of adherents to vegetarianism has grown considerably. It is observed that, among the advantages of adopting a vegetarian diet, there is a lower risk of developing overweight and obesity, which may be related to the high consumption of vegetables and important lifestyle practices. Objectives: To assess the nutritional status and frequency of food consumption of non-strict and strict vegetarians. Methods: Descriptive cross-sectional study carried out with participants of the "Vegans SLZ" group, of both sexes and aged 18 years and over. Data collection took place from January to March 2020. Questionnaires were applied to data on frequency of food, socioeconomic and lifestyle consumption and measurements of body weight, height and percentages of body fat and muscle mass were measured. Data were tabulated in Excel 2010® and analyzed in the statistical program R Studio version 3.6.1. Results: Of the 43 vegetarians evaluated, the majority followed the strict vegetarian diet (55.81%) and were eutrophic (62.79%), 32.56% had a high percentage of body fat and 53.49% percentage of lean body mass normal. The consumption of breads, cereals, tubers, legumes, oilseeds, fruits and vegetables was frequent, and 41% consumed processed foods 4 to 7 times a week. Conclusions: Most of the sample had a eutrophic nutritional status and regular consumption of all food groups, but with a significant consumption of industrialized foods.


Assuntos
Humanos , Masculino , Feminino , Dieta Vegetariana , Estado Nutricional , Ingestão de Alimentos , Vegetarianos
9.
Rev. bras. reprod. anim ; 47(2): 101-106, abr.-jun. 2023. tab
Artigo em Português | VETINDEX | ID: biblio-1435011

RESUMO

A maior produtividade na pecuária está correlacionada com a eficiência reprodutiva do rebanho. As biotécnicas da reprodução, principalmente os protocolos de sincronização da ovulação, são de grande importância para otimizar a produção e acelerar o ganho genético em rebanhos de corte e de leite. No entanto, alguns fatores como a categoria animal, o manejo reprodutivo implementado na propriedade e o reprodutor utilizado podem afetar os resultados de fertilidade nos protocolos de IATF. Dessa maneira, algumas estratégias foram desenvolvidas para contornar alguns desafios inerentes a vacas de corte em anestro pós-parto e aumentar a eficiência reprodutiva dessas fêmeas. Dentre as estratégias, destacam-se a utilização de progesterona e a suplementação energética/proteica previamente ao início do protocolo de IATF.(AU)


The reproductive efficiency of the herd is correlated with higher productivity in livestock. Reproduction biotechniques as ovulation synchronization protocols are important to optimize production and accelerate genetic profit in beef and dairy herds. However, some factors such as the animal category, the reproductive management implemented on the farm and the sire used can affect the fertility results in the TAI protocols. In this way, some strategies were developed to overcome some challenges of postpartum anestrus beef cows and to increase the reproductive efficiency of these cows. The use of progesterone and energy/protein supplementation before starting the TAI protocol stand out are the strategies.(AU)


Assuntos
Animais , Feminino , Bovinos/fisiologia , Sincronização do Estro/métodos , Suplementos Nutricionais/análise , Melhoramento Genético/métodos , Fenômenos Reprodutivos Fisiológicos , Fármacos para a Fertilidade/análise
10.
Rev. bras. reprod. anim ; 47(2): 107-112, abr.-jun. 2023. tab
Artigo em Português | VETINDEX | ID: biblio-1435037

RESUMO

Diversos fatores impactam os índices reprodutivos em vacas leiteiras, como a produção de leite, o manejo nutricional e o programa reprodutivo implementado. Em vacas leiteiras de alta produção, o maior catabolismo de esteróides, como a progesterona, devem ser levados em consideração ao escolher o tratamento hormonal a ser realizado. Assim, estratégias com a suplementação de progesterona previamente e ao início do protocolo foram desenvolvidas e descritas.(AU)


Milk production, nutritional management and the implemented reproductive program impact reproductive rates in dairy cows. The greater catabolism of steroids such as progesterone in high producing dairy cows must be considered when choosing the hormonal treatment to be used. Thus, strategies with progesterone supplementation before and at the beginning of the protocol were developed and described.(AU)


Assuntos
Animais , Feminino , Progesterona/efeitos adversos , Bovinos/fisiologia , Sincronização do Estro/métodos , Inseminação Artificial/veterinária , Fenômenos Reprodutivos Fisiológicos
12.
Interface (Botucatu, Online) ; 26: e210146, 2022.
Artigo em Português | LILACS | ID: biblio-1360499

RESUMO

Empenhando-se em abordar a Educação Popular em Saúde (EPS) como ponte universidade-sistema de saúde, este artigo objetiva relatar experiências de extensão universitária realizadas no contexto da Atenção Primária à Saúde (APS) para a contribuição no enfrentamento à pandemia do Covid-19. Teve como caminho metodológico a análise documental e crítica das práticas realizadas por um programa de extensão em EPS de março a dezembro de 2020. Enfocam-se processos formativos mobilizados pelos extensionistas, bem como produção de materiais de apoio à divulgação e ao fortalecimento dos saberes populares em saúde nas mídias sociais. Tais iniciativas deram visibilidade aos saberes e aprendizados oriundos de práticas populares em saúde e ações de EPS na APS. Os espaços educativos possibilitaram o compartilhamento de experiências, bem como o adensamento da formação das pessoas na perspectiva pedagógica da EPS como alternativa de resposta nesse desafiador contexto. (AU)


Con el empeño de abordar la Educación Popular en Salud (EPS) como puente de la universidad-sistema de salud, este artículo tiene el objetivo de relatar experiencias de extensión universitaria realizadas en el contexto de la Atención Primaria de la Salud (APS) para la contribución en el enfrentamiento de la pandemia de covid-19. Tuvo como camino metodológico el análisis documental y crítico de las prácticas realizadas por un programa de extensión en EPS de marzo a diciembre de 2020. Se enfocan en los procesos formativos movilizados por los extensionistas, así como la producción de materiales de apoyo a la divulgación y al fortalecimiento de los saberes populares en salud de las redes sociales. Tales iniciativas dieron visibilidad a los saberes y aprendizajes provenientes de prácticas populares en salud y acciones de EPS en la APS. Los espacios educacionales hicieron posible compartir experiencias, así como adensar en la formación de las personas bajo la perspectiva pedagógica de la EPS como alternativa de respuesta en ese contexto desafiador. (AU)


Addressing the Popular Education in Health (PEH) as a link between the university and the health system, this paper aims to report experiences of university extension developed, in the context of Primary Health Care (PHC), to contribute to the fight against the Covid-19 pandemic. The chosen methodology was the documentary type and the critical analysis of practices undertaken by an extension program in PEH from March to December 2020. It focuses on training processes mobilized by extensionists and the production of materials to support the dissemination and strengthening of popular knowledge in health on social media. These initiatives have given visibility to the knowledge and learning of popular health practices and PEH actions in PHC. The educational spaces have enabled the sharing of experiences and deepening the training of people in the pedagogical perspective of PEH as an alternative response in this challenging context. (AU)


Assuntos
Humanos , Atenção Primária à Saúde , Educação em Saúde , COVID-19 , Universidades , Educação a Distância
13.
Rev Paul Pediatr ; 40: e2020269, 2021.
Artigo em Inglês, Português | MEDLINE | ID: mdl-34495274

RESUMO

OBJECTIVE: Hemophagocytic lymphohistiocytosis syndrome (HLHS) is characterized by an immunological hyperactivation of cytotoxic T cells, natural killer cells, and macrophages, leading to the secretion of proinflammatory cytokines. HLHS associated with Visceral Leishmaniasis might be difficult to diagnose once symptoms are similar, resulting in the death of untreated patients. Our aim is to describe a series of cases of Visceral Leishmaniasis with HLHS admitted to a referral hospital for infectious diseases. CASE DESCRIPTION: All 115 cases of Visceral Leishmaniasis referred to a referral center for pediatric infectious diseases were reviewed to identify the cases of HLHS. Five cases (4.5%) were confirmed with HLHS and they presented fever, splenomegaly, cytopenia, hypertriglyceridemia or hypofibrinogenemia, increased ferritin and hemophagocytosis in the bone marrow. COMMENTS: It important to rule out HLHS in children with infectious diseases that do not respond adequately to treatment or in patients with severe symptoms, especially in leishmaniasis endemic areas.


Assuntos
Anemia , Leishmaniose Visceral , Linfo-Histiocitose Hemofagocítica , Febre , Humanos , Leishmaniose Visceral/complicações , Leishmaniose Visceral/diagnóstico , Linfo-Histiocitose Hemofagocítica/diagnóstico , Síndrome
14.
Cell Tissue Res ; 384(3): 721-734, 2021 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-33977324

RESUMO

Bone marrow cells (BMCs) from obese Swiss mice fed with Western diet show mitochondrial dysfunction. Obesity interferes with BMCs disrupting energetic metabolism, stimulating apoptosis, and reducing cell proliferation since adipose tissue releases inflammatory adipokines into the medullar microenvironment. These changes lead to reduction of BMC differentiation capacity and hematopoiesis impairment, a process responsible for blood cell continuous production through hematopoietic stem cells (HSCs). This work aimed to analyze the effects of IGF-1 therapy on BMC viability in Western diet-induced obesity, in vivo. We observed that after only 1 week of treatment, obese Swiss mice presented reduced body weight and visceral fat and increased mitochondrial oxidative capacity and coupling, indicating mitochondrial function improvement. In addition, IGF-1 was able to reduce apoptosis of total BMCs, stem cell subpopulations (hematopoietic and mesenchymal), and leukocytes, restoring all progenitor hematopoietic lineages. The treatment also contributed to increase proliferative capacity of hematopoietic stem cells and leukocytes, keeping the hematopoietic and immune systems balanced. Therefore, we conclude that IGF-1 short period therapy improved BMC survival, proliferation, and differentiation capacity in obese Swiss mice.


Assuntos
Células da Medula Óssea , Fator de Crescimento Insulin-Like I/farmacologia , Obesidade , Animais , Apoptose/efeitos dos fármacos , Células da Medula Óssea/efeitos dos fármacos , Células da Medula Óssea/patologia , Diferenciação Celular/efeitos dos fármacos , Proliferação de Células/efeitos dos fármacos , Células Cultivadas , Masculino , Camundongos , Camundongos Obesos , Mitocôndrias/efeitos dos fármacos , Obesidade/tratamento farmacológico , Obesidade/patologia
15.
Life Sci ; 278: 119510, 2021 Aug 01.
Artigo em Inglês | MEDLINE | ID: mdl-33865879

RESUMO

Currently, the world has been devastated by an unprecedented pandemic in this century. The Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), the agent of coronavirus disease 2019 (COVID-19), has been causing disorders, dysfunction and morphophysiological alterations in multiple organs as the disease evolves. There is a great scientific community effort to obtain a therapy capable of reaching the multiple affected organs in order to contribute for tissue repair and regeneration. In this regard, mesenchymal stem cells (MSCs) have emerged as potential candidates concerning the promotion of beneficial actions at different stages of COVID-19. MSCs are promising due to the observed therapeutic effects in respiratory preclinical models, as well as in cardiac, vascular, renal and nervous system models. Their immunomodulatory properties and secretion of paracrine mediators, such as cytokines, chemokines, growth factors and extracellular vesicles allow for long range tissue modulation and, particularly, blood-brain barrier crossing. This review focuses on SARS-CoV-2 impact to lungs, kidneys, heart, vasculature and central nervous system while discussing promising MSC's therapeutic mechanisms in each tissue. In addition, MSC's therapeutic effects in high-risk groups for COVID-19, such as obese, diabetic and hypertensive patients are also explored.


Assuntos
COVID-19/terapia , Transplante de Células-Tronco Mesenquimais/métodos , Animais , COVID-19/imunologia , COVID-19/patologia , Humanos , Imunomodulação , Células-Tronco Mesenquimais/imunologia , SARS-CoV-2/imunologia , SARS-CoV-2/isolamento & purificação
16.
J Community Psychol ; 49(1): 95-117, 2021 01.
Artigo em Inglês | MEDLINE | ID: mdl-32840883

RESUMO

Disasters affect sociospatial links in a dynamic and unstable meshwork of aspects that are reconfigured. In this sense, accounting for this complexity is central to analyze the transformation of the sociospatial linkage of the affected people and communities. Addressing from community environmental psychology, we propose the concept of assemblage to guide a situated reading of subjective, material, and community aspects present in a reconstruction process after a disaster. Following a qualitative methodology, using spatially referenced narrative interviews (n = 16) and thematic analysis, it is described how these links are presented in a community that lived the mega-fire of a part of the city of Valparaíso in Chile. The results describe that the experience of being a community is a variable flow within a process defined by an ever-emerging configuration of spatial, technological, personal, social, and sensory characteristics. We conclude by pointing out the qualities of the communities when considered from an assemblage perspective.


Assuntos
Desastres , Chile , Cidades , Humanos
17.
Artigo em Inglês | MEDLINE | ID: mdl-34988430

RESUMO

AIMS: To analyze therapeutic potential of the conditioned medium from adipose tissue-derived stem cells (ASC) cultivated in 2D (CM-2D) and 3D (CM-3D) models, in mice with Type 1 diabetes (T1D) induced by streptozotocin. MAIN METHODS: Viability andCD105 expression of 2D and 3D ASC were analyzed by flow cytometry. T1D was induced in mice by multiple injections of streptozocin. On the 28th and 29th days after the first injection of streptozocin, diabetic animals received CM-2D or CM-3D. Pancreatic, CM-2D, and CM-3D cytokines were analyzed by cytometric bead array (CBA) and insulin and PDX-1 were observed and quantified by immunohistochemistry. Apoptosis-related proteins were quantified by Western Blotting. KEY FINDINGS: ASC in three-dimensional culture released increased levels of IL-6 and IL-2, while IL-4 was decreased. CM-2D induced pancreatic PDX-1 expression and was able to reduce glycemia in diabetic mice one week after injections but not CM-3D. On the other hand, CM-2D and CM-3D were not able to reverse apoptosis of pancreatic cells in diabetic mice nor to increase insulin expression. SIGNIFICANCE: Together, these results demonstrate that the 3D cell culture secretome was not able to improve diabetes type 1 symptoms at the times observed, while 2D cell secretome improved glycemic levels in T1D mice.

18.
Psico (Porto Alegre) ; 52(4): 36341, 2021.
Artigo em Português | LILACS | ID: biblio-1362311

RESUMO

A gestação de alto risco é caracterizada por ser um momento em que a vida ou a saúde da mãe e/ou do feto e/ou do recém-nascido está submetida a maiores chances de morte que a média da população considerada. O estudo objetivou apresentar dados sobre o perfil de gestantes de alto risco e identificar os aspectos psicossociais ligados à gravidez. A amostra foi composta por 74 mulheres grávidas em um hospital no município de Juiz de Fora, MG. Elas responderam ao PHQ-2, a EPSS, ao IDATE, ao ASSIST e a um questionário sociodemográfico e clínico. Foi possível observar a prevalência de sintomas de depressão, ansiedade, baixo suporte social e uso de substâncias na população avaliada. As análises confirmaram correlações entre características sociodemográficas, clínicas e aspetos psicossociais. Os resultados demonstram a relevância de se conhecer o perfil dessas mulheres para a melhora na elaboração de estratégias de suporte direcionadas ao enfrentamento de possíveis fatores que possam interferir no bom andamento da gestação.


The high-risk pregnancy is characterized for being a moment that the life or health of the mother and/or fetus and/or newborn is subjected to higher risks of death compared to the average population. The study aimed to present data concerning the profile of high risks pregnancy and determine psychosocial aspects about high-risk. The sample was composed by 74 pregnant women in a hospital located in Juiz de Fora/MG, Brazil. The instruments applied were: PHQ-2, PSSS, STAI, ASSIST and a sociodemographic and clinical survey. It was possible to identify the prevalence of depressive symptoms, anxiety, reduced social support and inappropriate substance use in this population. The analyzes confirmed correlations between sociodemographic, clinical, and psychosocial aspects. The results demonstrate the relevance of knowing the profile of these women to improve the formulation of supportive strategies, directing to confront possible factors that may interfere the good progress of the gestation.


La gestación de alto riesgo se caracteriza por ser un momento que la vida o la salud de la madre y/o del feto está sometida a mayores riesgos de la muerte que la media de la población considerada. El estudio objetivó presentar datos sobre el perfil de gestantes de alto riesgo e identificar los aspectos psicosociales ligados al embarazo de riesgo. Se realizó con 74 mujeres clasificadas en el perfil de gestación de alto riesgo en un hospital en el municipio de Juiz de Fora / MG. Ellas respondieron al PHQ-2, a la EPSS, al IDATE, al ASSIST y a un cuestionario sociodemográfico y clínico. Los análisis confirmaron correlaciones entre características sociodemográficas, clínicas y aspectos psicosociales. Los resultados demuestran la relevancia de conocer el perfil de esas mujeres para mejorar en la elaboración de estrategias de soporte dirigidas al enfrentamiento de factores que puedan interferir en el buen andamiento de la gestación.


Assuntos
Humanos , Feminino , Saúde Mental , Gravidez de Alto Risco , Hospitalização
19.
Rev. bras. oftalmol ; 80(3): e0007, 2021. graf
Artigo em Português | LILACS | ID: biblio-1280119

RESUMO

RESUMO Os diagnósticos diferenciais que compõem as proptoses agudas são, muitas vezes, desafiadores. A anamnese e o exame clínico exigem do oftalmologista atenção especial aos detalhes que permitem diferenciar quadros relativamente benignos e autolimitados de quadros que evoluirão com incapacidades permanentes. Relatamos o caso de uma paciente de 49 anos que, durante viagem de avião, apresentou dor ocular, hematoma periorbitário e proptose do olho esquerdo súbitos. Referia diplopia aguda incapacitante. Exames de tomografia e angiorressonância magnética confirmaram diagnóstico de sinusopatia do seio etmoidal esquerdo e hematoma subperiosteal da órbita esquerda, associado ao barotrauma. Apesar de raro, o diagnóstico de hematoma subperiosteal não traumático deve ser considerado diferencial em relação a proptoses agudas, sendo a anamnese fundamental para essa elucidação diagnóstica.


ABSTRACT Differential diagnoses of acute proptosis are often challenging. History and clinical examination require from ophthalmologists special attention to details, which make it possible to differentiate relatively benign and self-limited conditions from those that will progress to permanent disabilities. We report a 49-year-old female patient who had sudden eye pain, periorbital hematoma and proptosis of the left eye during a commercial flight. She also complained of disabling acute diplopia. Computed tomography and magnetic resonance angiography imaging confirmed the diagnosis of subperiosteal hematoma of the left orbit, associated with left ethmoid sinus disease. Although rare, non-traumatic subperiosteal hematoma should be considered in differential diagnoses of acute proptosis, and history taking is fundamental to elucidate the picture.


Assuntos
Humanos , Feminino , Pessoa de Meia-Idade , Doenças Orbitárias/etiologia , Doenças Orbitárias/diagnóstico por imagem , Barotrauma/complicações , Hemorragia Ocular/etiologia , Hemorragia Ocular/diagnóstico por imagem , Doenças dos Seios Paranasais/tratamento farmacológico , Doenças dos Seios Paranasais/diagnóstico por imagem , Aviação , Tomografia Computadorizada por Raios X , Exoftalmia , Angiografia por Ressonância Magnética , Combinação Amoxicilina e Clavulanato de Potássio/uso terapêutico , Diplopia , Viagem Aérea
20.
Saúde Soc ; 30(2): e200605, 2021. graf
Artigo em Português | LILACS | ID: biblio-1252202

RESUMO

Resumo Trata-se de ensaio, embasado na literatura sobre o tema, que tem como objetivo refletir acerca dos eventos relacionados ao processo de trabalho que comprometem a saúde mental de docentes de Instituições de Ensino Superior (IES) em tempos de covid-19. A falta de habilidade no manuseio de tecnologias da informação e comunicação no desenvolvimento das atribuições profissionais, a autocobrança e a pressão das IES para adaptação ao novo modelo de trabalho e a necessidade de gerenciar os afazeres laborais e domésticos constituem eventos que predispõem ao sofrimento psicoemocional em docentes do ensino superior.


Abstract This essay, based on the literature on the subject, aims to reflect on events related to the work process that compromise the mental health of Higher Education Institutions' (HEI) professors in times of covid-19. The lack of skill in handling information and communication technology for the undertaking of professional assignments, the act of demanding too much from oneself and the pressure from the HEI to adapt to the new work model, as well as the need to manage work and household chores are events that predispose to psycho-emotional suffering in higher education teachers.


Assuntos
Humanos , Masculino , Feminino , Saúde Mental , Docentes , Desempenho Profissional , COVID-19
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