ABSTRACT
RESUMEN Este estudio investiga el conocimiento existente de la COVID-19 en ambos sexos y propone una práctica para prevenir la COVID-19. Se realizó un estudio transversal con una encuesta en línea recopilando datos en diferentes regiones de Colombia, a través de un cuestionario validado estructurado y de diseño propio basado en el asesoramiento público general de la Organización Mundial de la Salud (OMS) sobre la prevención de la COVID-19. Este estudio ha empleado la técnica de muestreo de bola de nieve, y contó con 445 participantes (46,5% hombres y 53,5% mujeres). Se identificó que las mujeres no solo tienen un mejor conocimiento, sino que su comportamiento en la práctica es mucho mejor que sus contrapartes masculinas. Aunque los resultados entre hombres y mujeres son muy similares, la pregunta de quedarse en casa es bastante concluyente a favor de las mujeres, quienes son más responsables. Finalmente, el estudio demuestra que las mujeres corren menos riesgo en comparación con los hombres, porque estas tienen mejores prácticas de prevención, como lo indican las estadísticas. Este estudio destaca aún más la idea de que las mujeres son menos propicias para contraer la infección de covid-19 debido a su mejor comportamiento de práctica que los hombres.
SUMMARY This study investigates the existing knowledge of covid-19 among both genders and a likely use of it in practice to combat COVID-19. Cross sectional study with an online survey and data was collected from Colombia, through a structured, self-design validated questionnaire was created based on the World Health Organization (WHO) general public advice towards COVID-19 prevention. This study has employed snow-ball sampling technique, counted on 445 participants (46.5% male and 53.5% female). This study has found out that women not only carry better knowledge, but their practicing behavior is far better than their male counterparts. Although the results between men and women are very similar, the question about staying at home is quite conclusive in favor of women, who are more responsible. Finally his study proves that women are on a less risk in comparison to men on the basis of prevention practices exercised better as the prevailing statistics indicate. This study highlighted the notion further that women are less conducive to infection of COVID-19 due to their better practicing behavior than men.
ABSTRACT
INTRODUCTION: The quantitation of glucose consumption in animal cell cultures is mainly based on the use of radiolabeled or fluorescent analogues, resulting in expensive and tedious procedures, requiring special equipment and, sometimes, with potential health and environmental risks. OBJECTIVES: The objective of this work was to evaluate the application of a blood plasma colorimetric assay to quantify glucose consumption in in vitro cultures of adipose cells. METHODS: We worked with 3T3-L1 adipose cells differentiated by 7-8 days, which were exposed to different initial glucose concentrations (5.5, 2.8 and 1.4 mM) for variable times, either in the absence or the presence of 100 nM insulin. Using a commercial colorimetric glucose assay, extracellular glucose was determined, and glucose uptake was calculated as the difference between the initial and final glucose concentration. RESULTS: The colorimetric assay allowed us to quantify glucose uptake in our cell model, observing a linear response over time (r 2 ≥0.9303) to the different glucose concentrations, both in the basal and insulin-induced condition. The insulin-stimulated glucose consumption was higher than basal consumption at all glucose concentrations evaluated, but significant differences were observed at 120-, 360- and 480-min in glucose 5.5 mM (p ≤ 0.01, n = 5), and 240 min in glucose 1.4 mM (p ≤ 0.01, n = 5). A V max of 4.1 and 5.9 nmol/ml/min (basal and insulin-induced, respectively) and a K m of 1.1 mM (same in basal vs insulin-stimulated) were calculated. The bioassay was also useful in a pharmacological context: in glucose 1.4 mM, glucose consumption showed an effect that depended on insulin concentration, with a calculated EC50 of 18.4 ± 1.1 nM. CONCLUSIONS: A simple and low-cost bioassay is proposed to quantify glucose consumption in 3T3-L1 adipose cells.
