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Fernando Gomes de Jesus,Alice Pereira Duque,Carole Santana Massolar,Giselle Pinto de Faria Lopes,Ana Carolina de Azevedo Carvalho,Mauro Felippe Felix Mediano,Luiz Fernando Rodrigues Junior 사단법인약침학회 2021 Journal of Acupuncture & Meridian Studies Vol.14 No.5
Background: Transcutaneous electrical acupoint stimulation (TEAS) improves autonomic balance and reduces oxidative stress in subjects with chronic diseases, that decreases the risk of low-grade chronic inflammatory diseases, including cardiovascular diseases. However, these beneficial effects have never been demonstrated in healthy subjects. Objectives: To evaluate the acute effects of TEAS on autonomic balance and oxidative stress of healthy subjects. Methods: A randomized clinical trial was conducted with male healthy subjects (18-30 years old), randomly allocated to control (no intervention; n = 14), placebo (placebo intervention; n = 14) and TEAS group (at PC5 and PC6 acupoints; n = 13). The protocol consisted of accommodation (20 min), intervention (40 min), and recovery (30 min) periods. The acute effects of TEAS on hemodynamics were studied through measurements of heart rate, blood pressure and double product; on the autonomic nervous system by assessing heart rate variability; and on oxidative stress by quantifying reactive oxygen species in saliva samples, collected at the end of each period. Results: TEAS increased heart rate and double-product compared to control and placebo groups (p < 0.01). Moreover, TEAS increased sympathetic and reduced parasympathetic tonus, increasing the sympathovagal balance compared to the control and placebo groups. However, TEAS exerted no effect on oxidative stress in saliva samples. Conclusion: In healthy subjects, TEAS at PC5 and PC6 acupoints acutely improved autonomic balance, increasing sympathetic and reducing parasympathetic tonus, reflecting little improvement on hemodynamic responses. Whether it could be used as a cardioprotective strategy remains uncertain since it exerted no effect on oxidative stress.
Fertirrigation for Vegetables Grown in Greenhouses
Fernando Ferrari Putti,Camila Pires Cremasco,Luís Roberto Almeida Gabriel Filho,André Rodrigues do Reis 한국농업기계학회 2014 바이오시스템공학 Vol.39 No.4
Purpose: Concerns over the quantity of available freshwater for agriculture have triggered the development of technologiesintended to increase efficiency of water use, especially with regard to irrigation. A new technique called fertirrigation hasbeen developed to use the same irrigation equipment for fertilization. Methods: Since the above-mentioned techniquerequires care during installation and use on farms, current analysis focuses on some of its characteristics. Results: Highuniformity irrigation systems provide the best distribution of fertilizers, especially when used in combination with dripirrigation or micro-aspersion. The factors purity, compatibility, acidification, salinity, and solubility should be taken intoaccount. Conclusions: Fertirrigation provides a significant increase in productivity as it allows for highly controlled nutrientapplication during the entire growing season. However, it may cause serious problems if misused or overused.
Fertirrigation for Vegetables Grown in Greenhouses
Putti, Fernando Ferrari,Cremasco, Camila Pires,Filho, Luis Roberto Almeida Gabriel,Reis, Andre Rodrigues Do Korean Society for Agricultural Machinery 2014 바이오시스템공학 Vol.39 No.4
Purpose: Concerns over the quantity of available freshwater for agriculture have triggered the development of technologies intended to increase efficiency of water use, especially with regard to irrigation. A new technique called fertirrigation has been developed to use the same irrigation equipment for fertilization. Methods: Since the above-mentioned technique requires care during installation and use on farms, current analysis focuses on some of its characteristics. Results: High uniformity irrigation systems provide the best distribution of fertilizers, especially when used in combination with drip irrigation or micro-aspersion. The factors purity, compatibility, acidification, salinity, and solubility should be taken into account. Conclusions: Fertirrigation provides a significant increase in productivity as it allows for highly controlled nutrient application during the entire growing season. However, it may cause serious problems if misused or overused.
Dhones Rodrigues de Andrade,Flavia Adriane de Sales Silva,Jardeson de Souza Pinheiro,Julia Travassos da Silva,Nathalia Veloso Tropia,Leticia Artuzo Godoi,Rizielly Saraiva Reis Vilela,Fernando Alerrand Asian Australasian Association of Animal Productio 2023 Animal Bioscience Vol.36 No.12
Objective: This study was realized to evaluate the effects of supplementation with blends of water and fat-soluble vitamins on animal performance and carcass traits of young Nellore bulls. Methods: Forty-three Nellore bulls, with an initial weight of 261±27.3 kg and a mean age of 8±1.0 months, were used. Five animals were slaughtered at the beginning of the experiment (reference group), to determine the initial empty body weight of the bulls that remained in the experiment. The remaining 38 bulls were fed ad libitum and distributed in a completely randomized design in a 2×2 factorial scheme, with or without supplementation of water-soluble (B-blend+ or B-blend-) and fat-soluble (ADE+ or ADE-) vitamin blends. Diets were isonitrogenous (120 g of crude protein/kg dry matter [DM] of total mixed ration) and consisted of a roughage:concentrate rate of 30:70 based on total DM of diet. The experiment lasted 170 days, with 30 days of adaptation and 140 days for data collection. At the beginning and end of the experimental period, the bulls were weighed to determine the average daily gain. To estimate the apparent digestibility of nutrients and microbial efficiency, spot collections of feces and urine were performed for five consecutive days. Results: DM, ashes, organic matter, crude protein, ethereal extract, neutral detergent fiber corrected for residual ash and residual nitrogenous, and N intake and apparent digestibility were not influenced by vitamin supplementation, but total digestible nutrients intake and non-fibrous carbohydrates digestibility were influenced by B complex vitamin supplementation. Nitrogen balance, microbial efficiency, and performance data were not influenced (p>0.05) by vitamin supplementation. Conclusion: Vitamin supplementation (a blend of water-soluble and fat-soluble vitamins or their combinations) does not influence the animal performance and carcass traits of young Nellore bulls.
Knowledge of Diabetes Mellitus: Does Gender Make a Difference?
Patrı´cio Fernando Lemes dos Santos,Poliana Rodrigues dos Santos,Graziele Souza Lira Ferrari,Gisele Almeida Amaral Fonseca,Carlos Kusano Bucalen Ferrari 질병관리본부 2014 Osong Public Health and Research Persptectives Vol.5 No.4
Objective: Diabetes mellitus (DM) is a chronic disease considered an important public health problem. In recent years, its prevalence has been exponentially rising in many developing countries. Chronic complications of DM are important causes of morbidity and mortality among patients, which impair their health and quality of life. Knowledge on disease prevention, etiology, and management is essential to deal with parents, patients, and caregivers. The aim of this study was to evaluate the knowledge regarding DM in an adult population from a Middle-western Brazilian city. Methods: This was a cross-sectional study covering 178 adults, aged 18-64 years, who answered a diabetes knowledge questionnaire. In order to identify the difference between groups, analysis of variance was used. Results: Higher knowledge scores were found regarding the role of sugars on DM causality, diabetic foot care, and the effects of DM on patients (blindness, impaired wound healing, and male sexual dysfunction). However, lower scores were found amongst types of DM, hyperglycemic symptoms, and normal blood glucose levels. Females tended to achieve better knowledge scores than males. Conclusion: Women had better knowledge regarding types of DM, normal blood glucose values, and consequences of hyperglycemia revealed that diabetes education should be improved.
Evaluation of the Perkins handheld applanation tonometer in horses and cattle
Silvia Franco Andrade,Daniel Silva Kupper,Luiz Fernando Rodrigues de Pinho,Elizabeth Cunha Franco,Marcus Vinícius Felix Fabri Prataviera,Rodrigo Rolim Duarte,José Ricardo Cecílio Junqueira 대한수의학회 2011 Journal of Veterinary Science Vol.12 No.2
The objective of this study was to evaluate and validate the accuracy of the Perkins handheld applanation tonometer for measuring intraocular pressure (IOP) in horses and cattle. Both eyes of 10 adult horses and cattle were evaluated in a postmortem study. The eyes from 10 clinically normal adult horses and cattle were also examined after bilateral auriculopalpebral nerve block and topical anesthesia for an in vivo study. IOP was measured postmortem using direct manometry (measured with an aneroid manometer) and tonometry (measured with a Perkins handheld applanation tonometer). The correlation coefficients (r^2) for the data from the postmortem manometry and Perkins tonometer study were 0.866 for horses and 0.864 for cattle. In the in vivo study, IOP in horses was 25.1 ± 2.9 mmHg (range 19.0~30.0 mmHg) as measured by manometry and 23.4 ± 3.2 mmHg (range 18.6~28.4 mmHg) according to tonometry. In cattle, IOP was found to be 19.7 ± 1.2 mmHg (range 18.0~22.0 mmHg) by manometry and 18.8 ± 1.7 mmHg (range 15.9~20.8 mmHg) by tonometry. There was a strong correlation between the IOP values obtained by direct ocular manometry and the tonometer in both horses and cattle. Our results demonstrate that the Perkins handheld tonometer could be an additional tool for accurately measuring IOP in equine and bovine eyes.
Thiago Torres Martins Rocha,Sara Isabel De Melo Resende,H elio Augusto Goulart Diniz,Fernando Antônio Rodrigues Filho,Raphael Nunes De Oliveira 대한설비공학회 2020 International Journal of Air-Conditioning and Refr Vol.28 No.4
In this work, the performance of an existing algebraic solution for adiabatic coiled capillary tubes, in subcritical cycles, is investigated. However, the C-M&N friction factor, commonly used, was replaced by Schmidt friction factor, which is less complex. Two existing dimensionless correlations were also evaluated for comparison. To assess the effect of altering the friction factor, experimental data collected in the literature were used as reference. Analyzing the present results and that with C-M&N friction factor, it was observed that adopting the Schmidt friction factor does not cause a relevant impact on the solution. The deviations of the predicted versus experimental mass flow rates were comprised in a range between –8% and 12%, with average deviation (AD), absolute average deviation (AAD) and root mean square (RMS) error of –0.1%, 2.7% and 3.4%, respectively. The empirical correlations presented unsatisfactory results, with maximum deviation around 40%. Therefore, it was concluded that using the Schmidt friction factor is adequate to reduce the complexity of the algebraic solution and to maintain the accuracy.
New role of the antidepressant imipramine as a Fascin1 inhibitor in colorectal cancer cells
Begoña Alburquerque-González,Manuel Bernabé-García,Silvia Montoro-García,Ángel Bernabé-García,Priscila Campioni Rodrigues,Javier Ruiz Sanz,Fernando F. López-Calderón,Irene Luque,Francisco José Nicolas 생화학분자생물학회 2020 Experimental and molecular medicine Vol.52 No.-
Serrated adenocarcinoma (SAC) is more invasive, has worse outcomes than conventional colorectal carcinoma (CRC), and is characterized by frequent resistance to anti-epidermal growth factor receptor (EGFR) and overexpression of fascin1, a key protein in actin bundling that plays a causative role in tumor invasion and is overexpressed in different cancer types with poor prognosis. In silico screening of 9591 compounds, including 2037 approved by the Food and Drug Administration (FDA), was performed, and selected compounds were analyzed for their fascin1 binding affinity by differential scanning fluorescence. The results were compared with migrastatin as a typical fascin1 inhibitor. In silico screening and differential scanning fluorescence yielded the FDA-approved antidepressant imipramine as the most evident potential fascin1 blocker. Biophysical and different in vitro actin-bundling assays confirm this activity. Subsequent assays investigating lamellipodia formation and migration and invasion of colorectal cancer cells in vitro using 3D human tissue demonstrated anti-fascin1 and anti-invasive activities of imipramine. Furthermore, expression profiling suggests the activity of imipramine on the actin cytoskeleton. Moreover, in vivo studies using a zebrafish invasion model showed that imipramine is tolerated, its anti-invasive and antimetastatic activities are dose-dependent, and it is associated with both constitutive and induced fascin1 expression. This is the first study that demonstrates an antitumoral role of imipramine as a fascin1 inhibitor and constitutes a foundation for a molecular targeted therapy for SAC and other fascin1-overexpressing tumors.