Results: 5032

Bloqueantes de receptores de angiotensina-II de novo para el tratamiento de pacientes con COVID-19

INTRODUCCIÓN: La evidencia actual muestra que la infección por el SARS-CoV-2 progresa en diferentes etapas. Los casos de síndrome de dificultad respiratoria aguda (SDRA) se observan en una proporción significativa de los pacientes frágiles, aproximadamente después de la segunda semana desde la infe...

Uso de Tocilizumab como tratamiento en pacientes hospitalizados con COVID-19

ANTECEDENTES: El objetivo del presente informe es: Describir el proceso para la elaboración de recomendaciones por el grupo de trabajo designado por el Ministerio de Salud, en adelante denominado grupo de trabajo. Trasladar las Recomendaciones efectuadas por dicho grupo de trabajo en atención al uso de...

Prevención de la transmisión maternoinfantil del virus de la hepatitis B. directrices sobre la profilaxis con antivirales en el embarazo

Según estimaciones de la Organización Mundial de la Salud (OMS), en el 2015 257 millones de personas en el mundo tenían la infección crónica por el virus de la hepatitis B (VHB) y 900 000 fallecieron a causa de ella, en la mayor parte de los casos de cirrosis o carcinoma hepatocelular. La mayoría d...

In vitro and in vivo antioxidant potentials of the methanolic crude extract from Inula glomerata Oliv. & Hiern (Asteraceae) and Salacia kraussii (Harv) Harv (Celastraceae)

Reactive oxygen species are implicated in multiple pathological conditions including erectile dysfunction. This study evaluated the in vitro and in vivo antioxidant potential of the methanolic extracts of Inula glomerata and Salacia kraussii. The plant materials were pulverized and extracted with methan...

Gene expression and apoptosis response in hepatocellular carcinoma cells induced by biocompatible polymer/magnetic nanoparticles containing 5-fluorouracil

BACKGROUND: Super-paramagnetic iron oxide nanoparticles (SPION) contain a chemotherapeutic drug and are regarded as a promising technique for improving targeted delivery into cancer cells. RESULTS: In this study, the fabrication of 5-fluorouracil (5-FU) was investigated with loaded Dextran (DEXSPION) usi...

Protective effect of Sika Deer bone polypeptide extract on dexamethasone-induced osteoporosis in rats

BACKGROUND: Osteoporosis attacks approximately 10% of the population worldwide. Sika Deer (Cervus nippon), one of China’s precious traditional medicinal animals, has been widely recorded in ancient Chinese medical books and claimed for centuries to have numerous medical benefits including bone strength...

Sideritis perfoliata inhibits cell proliferation, induces apoptosis and exhibits cellular antioxidant activity in cervical cancer cells

In this study, it was aimed to determine the antioxidant and anticancer activities of Sideritis perfoliata methanolic extract (SPE) on cervical cancer cells (HeLa). Different doses (25, 50,100 and 200 μg/mL) of SPE were used to determine proliferation of HeLa cells by 3-[4,5-dimethylthiazol-2-yl]-2,5-di...

Investigation of anti-Alzheimer’s activity of aqueous extract of areca nuts (Areca catechu L): in vitro and in vivo studies

Alzheimer’s disease (AD) is an age-related neurodegenerative disorder. Sever cognitive and memory impairments, huge increase in the prevalence of the disease, and lacking definite cure have absorbed worldwide efforts to develop therapeutic approaches. Since many drugs have failed in the clinical tria...

Comparative characterization of cinnamon, cinnamaldehyde and kaempferol for phytochemical, antioxidant and pharmacological properties using acetaminophen-induced oxidative stress mouse model

This study was aimed to explore the comparative efficacy of cinnamon bark extract, cinnamaldehyde and kaempferol against acetaminophen (APAP)-induced oxidative stress. Cinnamon bark extract, cinnamaldehyde and kaempferol were utilized or in-vivo analysis. From the results of in-vitro screening tests, ...

Análise da eficácia de dentifrícios clareadores e seus efeitos na superfície dental: um estudo in vitro

O clareamento dos dentes pode ser realizado de várias maneiras, em consultório, no âmbito caseiro ou com a utilização de produtos OTC (Over-the-Counter). Dentre esses produtos, existem os dentifrícios clareadores que prometem clarear e prevenir o manchamento dentário. Objetivos: (1) Investigar o p...