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1.
PLoS Negl Trop Dis ; 18(6): e0011811, 2024 Jun 03.
Artículo en Inglés | MEDLINE | ID: mdl-38829905

RESUMEN

BACKGROUND: Dengue, Zika, and chikungunya, whose viruses are transmitted mainly by Aedes aegypti, significantly impact human health worldwide. Despite the recent development of promising vaccines against the dengue virus, controlling these arbovirus diseases still depends on mosquito surveillance and control. Nonetheless, several studies have shown that these measures are not sufficiently effective or ineffective. Identifying higher-risk areas in a municipality and directing control efforts towards them could improve it. One tool for this is the premise condition index (PCI); however, its measure requires visiting all buildings. We propose a novel approach capable of predicting the PCI based on facade street-level images, which we call PCINet. METHODOLOGY: Our study was conducted in Campinas, a one million-inhabitant city in São Paulo, Brazil. We surveyed 200 blocks, visited their buildings, and measured the three traditional PCI components (building and backyard conditions and shading), the facade conditions (taking pictures of them), and other characteristics. We trained a deep neural network with the pictures taken, creating a computational model that can predict buildings' conditions based on the view of their facades. We evaluated PCINet in a scenario emulating a real large-scale situation, where the model could be deployed to automatically monitor four regions of Campinas to identify risk areas. PRINCIPAL FINDINGS: PCINet produced reasonable results in differentiating the facade condition into three levels, and it is a scalable strategy to triage large areas. The entire process can be automated through data collection from facade data sources and inferences through PCINet. The facade conditions correlated highly with the building and backyard conditions and reasonably well with shading and backyard conditions. The use of street-level images and PCINet could help to optimize Ae. aegypti surveillance and control, reducing the number of in-person visits necessary to identify buildings, blocks, and neighborhoods at higher risk from mosquito and arbovirus diseases.

2.
BMC Cancer ; 24(1): 199, 2024 Feb 13.
Artículo en Inglés | MEDLINE | ID: mdl-38347462

RESUMEN

BACKGROUND: Glioblastoma (GBM) is an aggressive brain tumor that exhibits resistance to current treatment, making the identification of novel therapeutic targets essential. In this context, cellular prion protein (PrPC) stands out as a potential candidate for new therapies. Encoded by the PRNP gene, PrPC can present increased expression levels in GBM, impacting cell proliferation, growth, migration, invasion and stemness. Nevertheless, the exact molecular mechanisms through which PRNP/PrPC modulates key aspects of GBM biology remain elusive. METHODS: To elucidate the implications of PRNP/PrPC in the biology of this cancer, we analyzed publicly available RNA sequencing (RNA-seq) data of patient-derived GBMs from four independent studies. First, we ranked samples profiled by bulk RNA-seq as PRNPhigh and PRNPlow and compared their transcriptomic landscape. Then, we analyzed PRNP+ and PRNP- GBM cells profiled by single-cell RNA-seq to further understand the molecular context within which PRNP/PrPC might function in this tumor. We explored an additional proteomics dataset, applying similar comparative approaches, to corroborate our findings. RESULTS: Functional profiling revealed that vesicular dynamics signatures are strongly correlated with PRNP/PrPC levels in GBM. We found a panel of 73 genes, enriched in vesicle-related pathways, whose expression levels are increased in PRNPhigh/PRNP+ cells across all RNA-seq datasets. Vesicle-associated genes, ANXA1, RAB31, DSTN and SYPL1, were found to be upregulated in vitro in an in-house collection of patient-derived GBM. Moreover, proteome analysis of patient-derived samples reinforces the findings of enhanced vesicle biogenesis, processing and trafficking in PRNPhigh/PRNP+ GBM cells. CONCLUSIONS: Together, our findings shed light on a novel role for PrPC as a potential modulator of vesicle biology in GBM, which is pivotal for intercellular communication and cancer maintenance. We also introduce GBMdiscovery, a novel user-friendly tool that allows the investigation of specific genes in GBM biology.


Asunto(s)
Glioblastoma , Priones , Humanos , Expresión Génica , Perfilación de la Expresión Génica , Glioblastoma/genética , Glioblastoma/patología , Proteínas Priónicas/genética , Proteínas Priónicas/metabolismo , Priones/genética , Priones/metabolismo , Proteínas de Unión al GTP rab/genética , Sinaptofisina/metabolismo
4.
Rev Col Bras Cir ; 50: e20233512, 2023.
Artículo en Inglés, Portugués | MEDLINE | ID: mdl-37971114

RESUMEN

BACKGROUND: training in critical surgical situations is crucial for a safe outcome. The use of simulators is well established, although many are quite expensive, requiring the search for financially viable solutions for training centers. METHODS: we built a low-cost simulator for intra-abdominal bleeding with inexpensive materials, such as a manikin chest, latex tubes, silicone rubber, and waterproof fabric, seeking to mimic the abdominal viscera and vessels and their anatomical correlations. An IV infusion set allowed simulated blood to flow under pressure, and the blood flowed freely during simulation. After obtaining a functional model, we selected general surgeons to validate the simulator and its use in teaching surgery. We used the content validity index (CVI), with a cutoff of 0.9. RESULTS: the cost of building the prototype was US$71,00 in 2021, accounting for the purchase of the various necessary materials. Twelve raters participated in the validation tests. The results obtained from the feedback survey showed a good evaluation of all items, especially the recognition of the injured vessel, access to the vascular injury, hemostasis by manual compression, and hemostatic suturing. CONCLUSION: the proposed simulator obtained good results in scenarios of intra-abdominal bleeding from large vessels, as well as for hemostasis by manual compression and suturing. It proved to be a useful tool for training in critical intra- abdominal bleeding situations, while maintaining a low cost of building.


Asunto(s)
Hemostáticos , Cirujanos , Humanos , Simulación por Computador , Abdomen , Competencia Clínica
5.
Distúrb. comun ; 35(3): e57872, 25/10/2023.
Artículo en Inglés, Portugués | LILACS | ID: biblio-1517690

RESUMEN

Objetivo: A pesquisa tem por objetivo verificar os limiares de repouso eletromiográfico dos músculos masseter e temporal em pacientes com disfunção temporomandibular (DTM) antes e após intervenção fonoaudiológica com e sem a utilização de bandagem elástica terapêutica. Métodos: A coleta contou com 14 participantes do sexo feminino, com idade entre 18 e 40 anos, com diagnóstico de DTM muscular ou mista. As pacientes foram divididas entre dois grupos classificados em: pacientes com bandagem associada à terapia tradicional (CB) e grupo de terapia tradicional (SB). As pacientes inicialmente foram avaliadas pelo exame de eletromiografia de superfície nas situações de contração voluntária máxima e repouso, e após quatro semanas de intervenção, foi realizada nova avaliação com os mesmos instrumentos. A análise dos dados ocorreu de forma quantitativa e qualitativa. Resultados:No grupo SB o músculo masseter direito apresentou aumento dos valores de repouso com significância, foi observado que o mesmo ocorreu para todos os músculos deste grupo, influenciando no equilíbrio da musculatura ipsilateral e contralateral, no entanto sem evidência estatística. O grupo CB não demonstrou valores estatísticos significativos, porém qualitativamente os valores de repouso muscular diminuíram e equilibraram-se de forma contralateral. Conclusão: Não foram observadas mudanças estatisticamente significantes nos limiares eletromiográficos durante repouso dos músculos masseter e temporal em ambos os grupos. Qualitativamente houve aumento dos valores eletromiográficos após terapia manual tradicional em todos os músculos do grupo SB. Com relação ao grupo CB, houve diminuição dos valores do repouso eletromiográfico após terapia, embora sem evidências estatísticas. (AU)


Purpose: Objective: The research aims to verify the electromyographic rest thresholds of the masseter and temporal muscles in patients with temporomandibular disorders (TMD) before and after speech therapy intervention with and without the use of therapeutic elastic bandage. Methods: The collection included 14 female participants, aged between 18 and 40 years, who had a diagnosis of muscular or mixed TMD. The patients were divided into two groups: with traditional therapy (CB) bandage and traditional therapy (SB) only group. The patients underwent initial evaluation, as well as surface electromyography in situations of maximum voluntary contraction and rest and at the end of the four weeks of intervention, a new evaluation was performed with the same instruments. Data analysis occurred quantitatively and qualitatively. Results: In the SB group, the right masseter muscle showed a significant increase in resting values. It was observed that the same occurred for all muscles in this group, influencing the balance of the ipsilateral and contralateral muscles, although without statistical evidence. The CB group did not show statistically significant values, but qualitatively the muscle rest values decreased and balanced in a contralateral way. Conclusion: No statistically significant changes were observed in the resting electromyographic thresholds of the masseter and temporalis muscles in both groups. Qualitatively, there was an increase in electromyographic values after traditional manual therapy in all muscles in the SB group. Regarding the CB group, there was a decrease in electromyographic resting values after therapy, although without statistical evidence. (AU)


Objetivo: La investigación tiene como objetivo verificar los umbrales electromiográficos de reposo de los músculos masetero y temporal en pacientes con trastornos temporomandibulares (TMD) antes y después de la terapia del habla con y sin el uso de venda elástica terapéutica. Métodos: La colección incluyó a 14 participantes mujeres, con edades entre 18 y 40 años, diagnosticadas con TTM muscular o mixta. Los pacientes fueron divididos en dos grupos clasificados en: pacientes con vendaje asociado a terapia tradicional (CB) y grupo de terapia tradicional (SB). Los pacientes fueron inicialmente evaluados mediante electromiografía de superficie en situaciones de máxima contracción voluntaria y reposo, luego de cuatro semanas de intervención se realizó una nueva evaluación con los mismos instrumentos. El análisis de datos se llevó a cabo cuantitativa y cualitativamente. Resultados: En el grupo SB, el músculo masetero derecho presentó un aumento significativo en los valores de reposo, se observó que lo mismo ocurrió para todos los músculos de este grupo, influyendo en el equilibrio de los músculos ipsilaterales y contralaterales, sin embargo, sin evidencia estadística. El grupo CB no mostró valores estadísticamente significativos, pero cualitativamente los valores de descanso muscular disminuyeron y se equilibraron contralateralmente. Conclusión: No se observaron cambios estadísticamente significativos en los umbrales electromiográficos en reposo de los músculos masetero y temporal en ambos grupos. Cualitativamente, hubo un aumento de los valores electromiográficos después de la terapia manual tradicional en todos los músculos del grupo SB. En cuanto al grupo CB, hubo una disminución de los valores electromiográficos de reposo después de la terapia, aunque sin evidencia estadística. (AU)


Asunto(s)
Humanos , Femenino , Adolescente , Adulto , Electromiografía , Músculos Masticadores , Relajación Muscular/fisiología , Síndrome de la Disfunción de Articulación Temporomandibular/terapia , Manipulaciones Musculoesqueléticas , Cinta Atlética , Estudios Controlados Antes y Después
6.
World Neurosurg ; 175: 137-141.e1, 2023 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-37105273

RESUMEN

BACKGROUND: Glioblastoma is the most common type of malignant glioma and is 1 of the most frequent primary tumors during adult life. The platelet-lymphocyte ratio (PLR) has been studied as an inflammatory marker associated with the prognosis of glioblastoma in previous studies. Considering the morbidity associated with this condition, it is important that there are other ways of assessing the prognosis that do not require invasive methods. Therefore, we performed this systematic review in order to determine the prognostic value of the PLR. METHODS: We conducted an English language, literature-based search for papers published from 2012 to 2022, using the PubMed, Cochrane, Biblioteca Virtual em Saúde and Biomed Central Journal. We use the Preferred Reporting Items for Systematic Reviews and Meta-analyses recommendations. Titles and abstracts were evaluated independently by 2 authors, after which articles were selected for final analysis based on application of inclusion criteria (patients diagnosed with glioblastoma; address the use of PLR as a prognostic factor; hazard ratio; adults; clinical trials and observational studies) and exclusion criteria (inclusion of pediatric or animals, case reports, letters, conference abstracts, meta-analysis, and nonclinical studies or did not include hazard ratio) during full text screen. Each included article was then assessed for quality using Newcastle-Ottawa scale and relevant variables were extracted for synthesis. RESULTS: Of 127 results, 11 articles were included for final analysis. There were 7 studies from China, 1 from Italy, 1 from Portugal, 1 from Turkey, and 1 from India. The years of publications were between 2015 and 2022. All the studies used PLR from the preoperative blood sample. Among the studies that analyzed the relationship between PLR and overall survival, 7 found a predictive relationship, 3 found no association, and 1 found an association between PLR and progression free survival in patients with glioblastoma. CONCLUSIONS: Studies have shown that PLR can be a useful marker to aid in the prognosis of glioblastoma. Due to the ease of obtaining, rapid analysis and low cost, the PLR can be particularly beneficial in health centers with limited financial resources.


Asunto(s)
Glioblastoma , Glioma , Humanos , Plaquetas/patología , Glioblastoma/patología , Glioma/patología , Linfocitos/patología , Pronóstico
7.
Semin Cell Dev Biol ; 133: 32-41, 2023 01 15.
Artículo en Inglés | MEDLINE | ID: mdl-35697594

RESUMEN

Extracellular vesicles (EVs) are membrane-delimited vesicular bodies carrying different molecules, classified according to their size, density, cargo, and origin. Research on this topic has been actively growing through the years, as EVs are associated with critical pathological processes such as neurodegenerative diseases and cancer. Despite that, studies exploring the physiological functions of EVs are sparse, with particular emphasis on their role in organismal development, initial cell differentiation, and morphogenesis. In this review, we explore the topic of EVs from a developmental perspective, discussing their role in the earliest cell-fate decisions and neural tissue morphogenesis. We focus on the function of EVs through development to highlight possible conserved or novel processes that can impact disease progression. Specifically, we take advantage of what was learned about their role in development so far to discuss EVs impact on glioblastoma, a particular brain tumor of stem-cell origin and poor prognosis, and how their function can be hijacked to improve current therapies.


Asunto(s)
Vesículas Extracelulares , Glioblastoma , Humanos , Glioblastoma/tratamiento farmacológico , Glioblastoma/patología , Vesículas Extracelulares/patología , Comunicación Celular , Células Madre , Diferenciación Celular
8.
Rev. Col. Bras. Cir ; 50: e20233512, 2023. tab, graf
Artículo en Inglés | LILACS-Express | LILACS | ID: biblio-1521555

RESUMEN

ABSTRACT Background: training in critical surgical situations is crucial for a safe outcome. The use of simulators is well established, although many are quite expensive, requiring the search for financially viable solutions for training centers. Methods: we built a low-cost simulator for intra-abdominal bleeding with inexpensive materials, such as a manikin chest, latex tubes, silicone rubber, and waterproof fabric, seeking to mimic the abdominal viscera and vessels and their anatomical correlations. An IV infusion set allowed simulated blood to flow under pressure, and the blood flowed freely during simulation. After obtaining a functional model, we selected general surgeons to validate the simulator and its use in teaching surgery. We used the content validity index (CVI), with a cutoff of 0.9. Results: the cost of building the prototype was US$71,00 in 2021, accounting for the purchase of the various necessary materials. Twelve raters participated in the validation tests. The results obtained from the feedback survey showed a good evaluation of all items, especially the recognition of the injured vessel, access to the vascular injury, hemostasis by manual compression, and hemostatic suturing. Conclusion: the proposed simulator obtained good results in scenarios of intra-abdominal bleeding from large vessels, as well as for hemostasis by manual compression and suturing. It proved to be a useful tool for training in critical intra- abdominal bleeding situations, while maintaining a low cost of building.


RESUMO Introdução: o treinamento em situações críticas em Cirurgia é determinante para o desfecho seguro. O uso de simuladores é bastante consolidado, embora muitos apresentem custos muito elevados, sendo necessária a busca de soluções financeiramente viáveis para os centros de treinamento. Métodos: construímos um simulador de sangramento intra-abdominal de baixo custo com materiais simples como tronco de manequim, tubos de látex, borracha de silicone e tecido impermeável, buscando representar vísceras abdominais e vasos e suas correlações anatômicas. Um sistema de tubos e equipos de soro permitiu o fluxo, sob pressão, de sangue simulado, que vertia livremente durante a simulação. Após a obtenção de modelo funcional, selecionamos cirurgiões gerais para a validação do simulador e seu uso no ensino de Cirurgia. Utilizamos o Índice de Validação de Concordância (IVC), com corte de 0,9. Resultados: a construção do protótipo resultou em gasto de US$71,00 em valores de 2021, destinados à aquisição dos diversos materiais necessários. Doze avaliadores participaram dos testes de validação. Os resultados obtidos dos questionários demonstraram uma boa avaliação em todos os itens, destacando-se o reconhecimento do vaso traumatizado, o acesso à lesão vascular, o controle hemostático por pressão direta assim como por sutura direta da lesão. Conclusão: o simulador proposto obteve bons resultados em cenários de sangramento abdominal de grandes vasos, assim como o controle hemostático do mesmo por pressão direta e sutura. Mostrou-se ferramenta útil para a adaptação a situações de estresse no treinamento em sangramentos intra-abdominais, além de manter baixo custo de construção.

9.
Animals (Basel) ; 12(23)2022 Dec 06.
Artículo en Inglés | MEDLINE | ID: mdl-36496956

RESUMEN

Starch overload in horses causes gastrointestinal and metabolic disorders that are associated with microbiota changes. Therefore, we identified the fecal microbiota and hypothesized that intracecal injection of alkaline solution (buffer; Mg(OH)2 + Al(OH)3) could stabilize these microbiota and clinical changes in horses submitted to corn starch overload. Ten crossbred horses (females and geldings) were allocated to group I (water−saline and starch−buffer treatments) and group II (water−buffer and starch−saline treatments). Clinical signs, gross analysis of the feces, and fecal microbiota were evaluated through 72 h (T0; T8; T12; T24; T48; T72). Corn starch or water were administrated by nasogastric tube at T0, and the buffer injected into the cecum at T8 in starch−buffer and water−buffer treatments. Starch overload reduced the richness (p < 0.001) and diversity (p = 0.001) of the fecal microbiota. However, the starch−buffer treatment showed greater increase in amylolytic bacteria (Bifidobacterium 0.0% to 5.6%; Lactobacillus 0.1% to 7.4%; p < 0.05) and decrease in fibrolytic bacteria (Lachnospiraceae 10.2% to 5.0%; Ruminococcaceae 11.7% to 4.2%; p < 0.05) than starch−saline treatment. Additionally, animals that received starch−buffer treatment showed more signs of abdominal discomfort and lameness associated with dysbiosis (amylolytic r > 0.5; fribolytic r < 0.1; p < 0.05), showing that cecal infusion of buffer did not prevent, but intensified intestinal disturbances and the risk of laminitis.

10.
BMC Vet Res ; 18(1): 378, 2022 Oct 25.
Artículo en Inglés | MEDLINE | ID: mdl-36284310

RESUMEN

BACKGROUND: Due to the complexity of ruminant digestion, cannulation of organs of the digestive tract has been carried out in order to advance the understanding of digestive physiology, nutrient degradability, gastrointestinal diseases and biotechnological research. The abomasal cannulation is interesting for nutritional studies, especially in suckling calves, to obtain fluid and abomasal content, evaluation of abomasal flow and function, and infusion of nutrients and drugs when it is intended to reach high concentrations in the organ. Conventionally, access and cannulation of digestive organs of ruminants has been performed by laparotomy, a method often criticized and classified as cruel by some sectors related to ethics and animal welfare. The aim of this present study is to describe and standardize a minimally invasive by laparoscopy assisted abomasal cannulation in bovine fetuses (cadavers), which had been previously slaughtered by accident and would be discarded in local slaughterhouses. RESULTS: The abomasal cannulation technique was feasible, simple and did not present major difficulties. The surgical time for cannulation of the abomasum, from the insertion of the trocars to the completion of the technique with fixation of the organ to the abdominal wall, ranged from 9 to 27 min, with an average of 15.5 ± 6.62 min. CONCLUSIONS: The Laproscopic assisted abomasal cannulation in bovine fetuses was feasible and safe with minimal tissue injury to the abdominal wall and with short surgical time. More studies in the clinical routine related to minimally invasive abomasal content collection, abomasopexy and abomasotomy are required in order to demonstrate its impact and importance in bovine clinic.


Asunto(s)
Abomaso , Laparoscopía , Bovinos/cirugía , Animales , Abomaso/cirugía , Laparoscopía/veterinaria , Laparoscopía/métodos , Cateterismo/veterinaria , Feto/cirugía , Cadáver
11.
Front Cell Dev Biol ; 10: 907423, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35784465

RESUMEN

Non-canonical secretion pathways, collectively known as unconventional protein secretion (UPS), are alternative secretory mechanisms usually associated with stress-inducing conditions. UPS allows proteins that lack a signal peptide to be secreted, avoiding the conventional endoplasmic reticulum-Golgi complex secretory pathway. Molecules that generally rely on the canonical pathway to be secreted may also use the Golgi bypass, one of the unconventional routes, to reach the extracellular space. UPS studies have been increasingly growing in the literature, including its implication in the biology of several diseases. Intercellular communication between brain tumor cells and the tumor microenvironment is orchestrated by various molecules, including canonical and non-canonical secreted proteins that modulate tumor growth, proliferation, and invasion. Adult brain tumors such as gliomas, which are aggressive and fatal cancers with a dismal prognosis, could exploit UPS mechanisms to communicate with their microenvironment. Herein, we provide functional insights into the UPS machinery in the context of tumor biology, with a particular focus on the secreted proteins by alternative routes as key regulators in the maintenance of brain tumors.

12.
Fisioter. Bras ; 23(2): 305-318, mai 19, 2022.
Artículo en Portugués | LILACS-Express | LILACS | ID: biblio-1436325

RESUMEN

Introdução: Para aliviar ou prevenir as disfunções dos músculos do assoalho pélvico é necessário sejam treinados seus parâmetros funcionais: coordenação, força, potência, resistência e pré-contração, bem como tenham capacidade de alongamento suficiente durante a passagem do bebê, a fim de evitar lacerações e outras lesões. Objetivo: Avaliar a percepção de puérperas acerca do uso do balão vaginal, em termos cognitivo-comportamental, na preparação para o parto vaginal. Métodos: Estudo descritivo do tipo transversal e qualitativo, realizado com puérperas primíparas de parto vaginal que fizeram ou não o uso do balão vaginal durante a gestação, avaliadas por meio de uma ficha de avaliação sociodemográfica e obstétrica e da aplicação dos questionários sobre os eventos do trabalho de parto e de percepção do uso Epi-No. Resultados: Participaram do estudo 20 puérperas. Não houve diferença entre as puérperas quanto a presença de lacerações vaginais e o tempo de trabalho de parto. Todas as mulheres do grupo que utilizaram o balão vaginal perceberam influência positiva no trabalho de parto. Conclusão: O treinamento dos músculos do assoalho pélvico para o parto com balão vaginal exerceu efeito positivo na preparação cognitivo-comportamental da amostra estudada, o que facilitou o trabalho de parto.

13.
Medicina (Ribeirao Preto, Online) ; 55(1)maio 2022. ilus, tab
Artículo en Portugués | LILACS | ID: biblio-1410579

RESUMEN

Introdução: Hipofosfatasia é um distúrbio metabólico que afeta a mineralização óssea e dentária, causada por mutações no gene ALPL, levando à deficiência enzimática da fosfatase alcalina tecido não-específica. A forma adulta caracteriza-se por fraturas atípicas do fêmur, osteomalácia, osteoporose, grave osteoartropatia, condrocalcinose e artralgia. Objetivo: Demonstrar desafios diagnósticos relacionados à hipofosfatasia através do relato de dois casos. Paciente 1: feminino, 59 anos, encaminhada para avaliação clínica devido às fraturas patológicas de difícil consolidação e osteoporose generalizada de causa genética. Relata perda dentária precoce da arcada superior, fraturas na coluna, em ombro esquerdo e no fêmur. Atualmente, queixa-se de dor crônica intensa, com uso de múltiplos medicamentos. Achados clínicos, laboratoriais e radiológicos foram compatíveis com o diagnóstico de hipofosfatasia. Paciente 2: masculino, 31 anos, filho da paciente 1, encaminhado para avaliação clínica por fratura patológica precoce em fêmur esquerdo e osteoporose não esclarecida. Atualmente relata dor e claudicação importante em membro inferior esquerdo, associado à lombalgia crônica. Confirmação do diagnóstico de hipofosfatasia por exames laboratoriais e radiológicos e sequenciamento do gene ALPL, aliados ao diagnóstico da sua genitora. Discussão: Hipofosfatasia é uma doença rara de herança autossômica dominante e recessiva. Pacientes acometidos apresentam fraturas constantes, densidade mineral óssea baixa, cicatrização óssea deficitária. É comum a hipofosfatasia ser diagnosticada erroneamente como osteopenia e/ou osteoporose primária, acarretando prejuízos ao paciente. Ressalta-se a importância da história clínica completa e dos antecedentes familiares a fim de se obter um diagnóstico precoce, garantindo, por sua vez, o adequado acompanhamento e manejo terapêutico (AU)


Introduction: hypophosphatasia is a metabolic disorder affecting bone and tooth mineralization, caused by mutations in the ALPL gene leading to enzymatic deficiency of tissue non-specific alkaline phosphatase. The adult form is characterized by atypical femur fractures, osteomalacia, osteoporosis, severe osteoarthropathy, chondrocalcinosis, and arthralgia. Objective: to demonstrate diagnostic challenges related to hypophosphatasia through the report of two cases. Patient 1: female, 59 years old, referred for clinical evaluation due to pathological fractures of difficult consolidation and generalized osteoporosis of genetic cause. She reports early tooth loss in the upper arch, fractures in the spine, left shoulder and femur. Currently, he complains of severe chronic pain, with use of multiple medications. Clinical, laboratory, and radiological findings were compatible with the diagnosis of hypophosphatasia. Patient 2:male, 31 years old, son of patient 1, referred for clinical evaluation due to an early pathological fracture in the left femur and unclear osteoporosis. He currently reports pain and significant claudication in the left lower limb, associated with chronic low back pain. Confirmation of the diagnosis of hypophasatasia by laboratory and radiological tests and sequencing of the ALPL gene combined with the diagnosis of his mother. Discussion: hypophosphatasia is a rare disease of autosomal dominant and recessive inheritance. Affected patients have constant fractures, low bone mineral density, and impaired bone healing. It is common for hypophosphatasia to be misdiagnosed as osteopenia and/or primary osteoporosis, which can be harmful to the patient. The importance of a complete clinical history and family history is emphasized in order to obtain an early diagnosis, ensuring adequate follow-up and therapeutic management (AU)


Asunto(s)
Humanos , Masculino , Femenino , Adulto , Persona de Mediana Edad , Osteoporosis , Enfermedades Óseas Metabólicas , Fosfatasa Alcalina , Dolor Crónico , Fracturas Espontáneas , Hipofosfatasia/diagnóstico
14.
BMC Vet Res ; 18(1): 41, 2022 Jan 17.
Artículo en Inglés | MEDLINE | ID: mdl-35039024

RESUMEN

BACKGROUND: Endosurgery is a surgical subspecialty that has been widely used in production animals, because it enables good visualization of abdominal organs and the diagnosis and treatment of several conditions in a minimally invasive manner, while preserving the animal's well-being and causing a lower impact on animal production. Rumenostomy is one of the most common surgical procedures in ruminants. This procedure is used to allow access to the rumen for various purposes, especially nutritional and therapeutic studies, and it can be performed either in a conventional way or in a minimally invasive video-assisted manner. Another possibility of access to ruminants is through the rumenoscopy technique. The objective of this study is to describe a minimally invasive technique for rumenostomy using an endoscope, working on a bovine fetal corpse as an experimental model. RESULTS: The execution of the endoscopy-guided rumenostomy technique was simple and did not present major difficulties. The endoscope, its lighting and air pump, and the decubitus used provided a good anatomical visualization of the rumen, and it was possible to evaluate several regions of the organ. The mean duration of the procedure was 11.15 min. CONCLUSIONS: The endoscopic rumenostomy technique using anatomical pieces of calves was shown to be feasible. It was performed in a simple and efficient way, particularly regarding the premise of preserving the animal's well-being, due to its minimally invasive nature.


Asunto(s)
Endoscopía , Feto , Rumen , Animales , Bovinos , Endoscopía/veterinaria , Rumen/cirugía
15.
Artículo en Portugués | LILACS | ID: biblio-1368967

RESUMEN

RESUMO:Introdução: Hipofosfatasia é um distúrbio metabólico que afeta a mineralização óssea e dentária, causada por mutações no gene ALPL, levando à deficiência enzimática da fosfatase alcalina tecido não-específica. A forma adulta caracteriza-se por fraturas atípicas do fêmur, osteomalácia, osteoporose, grave osteoartropatia, condrocalcinose e artralgia. Objetivo: Demonstrar desafios diagnósticos relacionados à hipofosfatasia através do relato de dois casos. Paciente 1: feminino, 59 anos, encaminhada para avaliação clínica devido às fraturas patológicas de difícil consolidação e osteoporose generalizada de causa genética. Relata perda dentária precoce da arcada superior, fraturas na coluna, em ombro esquerdo e no fêmur. Atualmente, queixa-se de dor crônica intensa, com uso de múltiplos medicamentos. Achados clínicos, laboratoriais e radiológicos foram compatíveis com o diagnóstico de hipofosfatasia. Paciente 2: masculino, 31 anos, filho da paciente 1, encaminhado para avaliação clínica por fratura patológica precoce em fêmur esquerdo e osteoporose não esclarecida. Atualmente relata dor e claudicação importante em membro inferior esquerdo, associado à lombalgia crônica. Confirmação do diagnóstico de hipofosfatasia por exames laboratoriais e radiológicos e sequenciamento do gene ALPL, aliados ao diagnóstico da sua genitora. Discussão: Hipofosfatasia é uma doença rara de herança autossômica dominante e recessiva. Pacientes acometidos apresentam fraturas constantes, densidade mineral óssea baixa, cicatrização óssea deficitária. É comum a hipofosfatasia ser diagnosticada erroneamente como osteopenia e/ou osteoporose primária, acarretando prejuízos ao paciente. Ressalta-se a importância da história clínica completa e dos antecedentes familiares a fim de se obter um diagnóstico precoce, garantindo, por sua vez, o adequado acompanhamento e manejo terapêutico. (AU)


ABSTRACT: Introduction: hypophosphatasia is a metabolic disorder affecting bone and tooth mineralization, caused by mutations in the ALPL gene leading to enzymatic deficiency of tissue non-specific alkaline phosphatase. The adult form is characterized by atypical femur fractures, osteomalacia, osteoporosis, severe osteoarthropathy, chondrocalcinosis, and arthralgia. Objective: to demonstrate diagnostic challenges related to hypophosphatasia through the report of two cases. Patient 1: female, 59 years old, referred for clinical evaluation due to pathological fractures of difficult consolidation and generalized osteoporosis of genetic cause. She reports early tooth loss in the upper arch, fractures in the spine, left shoulder and femur. Currently, he complains of severe chronic pain, with use of multiple medications. Clinical, laboratory, and radiological findings were compatible with the diagnosis of hypophosphatasia. Patient 2:male, 31 years old, son of patient 1, referred for clinical evaluation due to an early pathological fracture in the left femur and unclear osteoporosis. He currently reports pain and significant claudication in the left lower limb, associated with chronic low back pain. Confirmation of the diagnosis of hypophasatasia by laboratory and radiological tests and sequencing of the ALPL gene combined with the diagnosis of his mother. Discussion: hypophosphatasia is a rare disease of autosomal dominant and recessive inheritance. Affected patients have constant fractures, low bone mineral density, and impaired bone healing. It is common for hypophosphatasia to be misdiagnosed as osteopenia and/or primary osteoporosis, which can be harmful to the patient. The importance of a complete clinical history and family history is emphasized in order to obtain an early diagnosis, ensuring adequate follow-up and therapeutic management. (AU)


Asunto(s)
Humanos , Masculino , Femenino , Adulto , Persona de Mediana Edad , Osteoporosis , Fosfatasa Alcalina , Fracturas Espontáneas , Hipofosfatasia/diagnóstico
16.
Rev Bras Parasitol Vet ; 30(3): e005721, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-34378769

RESUMEN

Two lineages of Rhipicephalus sanguineus are known in Brazil: the temperate or southern and the tropical or northern populations. The distribution patterns of both lineages of R. sanguineus have epidemiological implications that can affect vectorial competence concerning Ehrlichia canis, the agent of canine monocytic ehrlichiosis. Intending to identify the microbiomes of both lineages and compare microorganisms in R. sanguineus, we used the 16S rRNA (V4-V5 region) gene-based metataxonomic approach, through NGS sequencing on the MiSeq Illumina platform. We selected specimens of females from the environment and samples of primary embryonic cell cultures, from both lineages, and this was the first study to investigate the prokaryotic microbiome in tick cell cultures. The results showed that many bacterial taxa detected in the samples were typical members of the host environment. A significant diversity of microorganisms in R. sanguineus females and in embryonic cell cultures from both lineages was found, with emphasis on the presence of Coxiella in all samples, albeit in different proportions. The Coxiella species present in the two lineages of ticks may be different and may have co-evolved with them, thus driving different patterns of interactions between ticks and the pathogens that they can harbor or transmit to vertebrate hosts.


Asunto(s)
Enfermedades de los Perros , Microbiota , Rhipicephalus sanguineus , Animales , Brasil , Técnicas de Cultivo de Célula/veterinaria , Perros , Femenino , ARN Ribosómico 16S/genética
17.
World J Microbiol Biotechnol ; 37(9): 162, 2021 Aug 27.
Artículo en Inglés | MEDLINE | ID: mdl-34448059

RESUMEN

The prospection of new degrading enzymes of the plant cell wall has been the subject of many studies and is fundamental for industries, due to the great biotechnological importance of achieving a more efficient depolymerization conversion from plant polysaccharides to fermentable sugars, which are useful not only for biofuel production but also for various bioproducts. Thus, we explored the shotgun metagenome data of a bacterial community (CB10) isolated from sugarcane bagasse and recovered three metagenome-assembled genomes (MAGs). The genomic distance analyses, along with phylogenetic analysis, revealed the presence of a putative novel Chitinophaga species, a Pandoraea nosoerga, and Labrys sp. isolate. The isolation process for each one of these bacterial lineages from the community was carried out in order to relate them with the MAGs. The recovered draft genomes have reasonable completeness (72.67-100%) and contamination (0.26-2.66%) considering the respective marker lineage for Chitinophaga (Bacteroidetes), Pandoraea (Burkholderiales), and Labrys (Rhizobiales). The in-vitro assay detected cellulolytic activity (endoglucanases) only for the isolate Chitinophaga, and its genome analysis revealed 319 CAZymes, of which 115 are classified as plant cell wall degrading enzymes, which can act in fractions of hemicellulose and pectin. Our study highlights the potential of this Chitinophaga isolate provides several plant-polysaccharide-degrading enzymes.


Asunto(s)
Alphaproteobacteria/metabolismo , Bacteroidetes/metabolismo , Burkholderiaceae/metabolismo , Genoma Bacteriano , Plantas/microbiología , Alphaproteobacteria/clasificación , Alphaproteobacteria/genética , Bacteroidetes/clasificación , Bacteroidetes/genética , Biodegradación Ambiental , Biomasa , Burkholderiaceae/clasificación , Burkholderiaceae/genética , Lignina/metabolismo , Metagenoma , Filogenia , Polisacáridos
18.
Rev. Pesqui. Fisioter ; 11(4): 750-758, 20210802. tab, ilus
Artículo en Inglés, Portugués | LILACS | ID: biblio-1349108

RESUMEN

INTRODUÇÃO: O balão vaginal pode ser uma opção para preparar os músculos do assoalho pélvico para o parto vaginal. Suas implicações para as funções urinária e sexual precisam ser mais estudadas. OBJETIVO: Avaliar as implicações do balão vaginal na preparação para o parto vaginal nas funções sexual e urinária. METODOLOGIA: Estudo transversal realizado em Belém do Pará, com primíparas de partos vaginais, de 18 a 40 anos. Formouse dois grupos: o GE se constituiu de puérperas que usaram o balão vaginal durante a gravidez provenientes da Clínica Cafisio Mulher e o GC de puérperas que não fizeram uso do balão vaginal durante a gestação, provenientes do Centro de Saúde Escola do Marco. Utilizou-se uma ficha de avaliação sociodemográfica, um questionário com perguntas acerca dos eventos do trabalho de parto, o International Consultation on Incontinence Questionnaire Short Form e o Female Sexual Function Index. Foi utilizado o software Excel para entrada dos dados, confecção das tabelas e análise estatística descritiva das variáveis. RESULTADOS: Em ambos os grupos, a maioria das mulheres apresentou alguma perda urinária, com impactos diferentes na qualidade de vida. Quanto à função sexual, ambos os grupos estão abaixo do ponto de corte, o que indica disfunção sexual. No entanto, não foi possível estabelecer uma associação entre a função urinária e sexual entre os dois grupos devido às diferenças no tamanho da amostra entre os grupos. CONCLUSÃO: As funções urinária e sexual de ambos os grupos estavam alteradas.


INTRODUCTION: Vaginal balloon can be an option to prepare the pelvic floor muscles for vaginal birth. Its implications for urinary and sexual functions need to be further studied. OBJECTIVE: To evaluate the implications of the vaginal balloon in preparation for vaginal birth on sexual and urinary functions. METHODOLOGY: Cross-sectional study was carried out in Belém do Pará, with primiparous women from vaginal births, aged between 18 and 40 years. Two groups were formed: the EG consisted of postpartum women who used the vaginal balloon during pregnancy from the Clínica Cafisio Mulher and the CG of postpartum women who did not use the vaginal balloon during pregnancy, from the Centro de Saúde Escola do Marco. A sociodemographic evaluation form, a questionnaire with questions about labor events, the International Consultation on Incontinence Questionnaire Short Form, and the Female Sexual Function Index were used. Excel software was used for data entry, preparation of tables, and descriptive statistical analysis of the variables. RESULTS: Most women had some urinary loss in both groups, with different impacts on quality of life. As for sexual function, both groups are below the cutoff point, which indicates sexual dysfunction. However, it was impossible to establish an association between urinary and sexual function between the two groups due to differences in sample size. CONCLUSION: The urinary and sexual functions of both groups were altered.


Asunto(s)
Mujeres Embarazadas , Estudios Transversales , Diafragma Pélvico
19.
Fisioter. Bras ; 22(2): 205-215, Maio 25, 2021.
Artículo en Portugués | LILACS | ID: biblio-1284160

RESUMEN

Introdução: A síndrome da bexiga hiperativa pode afetar as mulheres após o tratamento para câncer de colo do útero, interferindo diretamente a qualidade de vida e funcionalidade. Objetivo: Verificar os efeitos da Fisioterapia nos sintomas da síndrome da bexiga hiperativa em mulheres submetidas ao tratamento de câncer de colo do útero. Métodos: Trata-se de um ensaio clínico não controlado, com mulheres que realizaram o tratamento para câncer de colo do útero. Foi utilizada uma ficha de avaliação para verificar dados ginecológicos/obstétricos, assim como hábitos de vida das pacientes. Os sintomas da síndrome da bexiga hiperativa foram avaliados por meio do Incontinence Questionnaire Overactive Bladder. Para a intervenção fisioterapêutica foi utilizado o protocolo de Treinamento dos Músculos do Assoalho, Eletroestimulação Transcutânea do Nervo Tibial e Terapia Comportamental. Resultados: No pós-tratamento ocorreu decréscimo estatisticamente significativo na mediana dos sintomas da síndrome da bexiga hiperativa e no impacto da qualidade de vida em relação ao pré-tratamento, indicando melhora do quadro. Conclusão: Esta pesquisa concluiu que o protocolo fisioterapêutico utilizado apresentou eficácia na melhora dos sintomas da síndrome da bexiga hiperativa após tratamento para câncer de colo do útero. (AU)


Introduction: A hyperactive bladder syndrome can affect women after treatment for cervical cancer, directly interfering with quality of life and functionality. Objective: To verify the effects of physical therapy on the symptoms of hyperactive bladder syndrome in women undergoing treatment for cervical cancer. Methods: This is an uncontrolled clinical trial, with women who underwent treatment for cervical cancer. An evaluation form was used to check gynecological/obstetric data, as well as the patients' lifestyle. The symptoms of the hyperactive bladder syndrome were obtained through the hyperactive bladder questionnaire. For the physiotherapeutic intervention, the floor muscle training, transcutaneous electrostimulation of the tibial nerve and behavioral therapy protocol was used. Results: In the post-treatment there was a statistically significant decrease in the median of the symptoms of the hyperactive bladder syndrome and no impact on the quality of life in relation to the pre-treatment, an improvement indicated in the condition. Conclusion: This research concluded that the physical therapy protocol used showed improvement of symptoms of overactive bladder syndrome after treatment for cervical cancer. (AU)


Asunto(s)
Humanos , Femenino , Neoplasias del Cuello Uterino , Modalidades de Fisioterapia , Vejiga Urinaria Hiperactiva , Signos y Síntomas , Incontinencia Urinaria , Eficacia , Diafragma Pélvico
20.
Microorganisms ; 9(3)2021 Mar 17.
Artículo en Inglés | MEDLINE | ID: mdl-33803052

RESUMEN

The recent report of distinct Xanthomonas lineages of Xanthomonas arboricola pv. juglandis and Xanthomonas euroxanthea within the same walnut tree revealed that this consortium of walnut-associated Xanthomonas includes both pathogenic and nonpathogenic strains. As the implications of this co-colonization are still poorly understood, in order to unveil niche-specific adaptations, the genomes of three X. euroxanthea strains (CPBF 367, CPBF 424T, and CPBF 426) and of an X. arboricola pv. juglandis strain (CPBF 427) isolated from a single walnut tree in Loures (Portugal) were sequenced with two different technologies, Illumina and Nanopore, to provide consistent single scaffold chromosomal sequences. General genomic features showed that CPBF 427 has a genome similar to other X. arboricola pv. juglandis strains, regarding its size, number, and content of CDSs, while X. euroxanthea strains show a reduction regarding these features comparatively to X. arboricola pv. juglandis strains. Whole genome comparisons revealed remarkable genomic differences between X. arboricola pv. juglandis and X. euroxanthea strains, which translates into different pathogenicity and virulence features, namely regarding type 3 secretion system and its effectors and other secretory systems, chemotaxis-related proteins, and extracellular enzymes. Altogether, the distinct genomic repertoire of X. euroxanthea may be particularly useful to address pathogenicity emergence and evolution in walnut-associated Xanthomonas.

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