Results: 7

Regulación del calcio por SERC-A antes de la enfermedad de Alzheimer y durante la misma

Biomédica (Bogotá); 43 (1), 2023
Hay muchos factores implicados en la incidencia de la enfermedad de Alzheimer que, en combinación, terminan por impedir o dificultar las funciones neuronales normales. Actualmente, poco se conoce sobre la regulación del calcio, antes de la enfermedad y durante la misma. La inestabilidad interna de los ...

Activación de sensores del estrés del retículo endoplásmico por dietas asociadas a enfermedades metabólicas y COVID-19

El retículo endoplásmico es un organelo abundante, dinámico y sensor de energía. Sus abundantes membranas, rugosa y lisa, se encuentran distribuidas en diferentes proporciones dependiendo del linaje y requerimiento celular. Su función es llevar a cabo la síntesis de proteínas y lípidos, y es el a...

Morphology and morphogenesis of SARS-CoV-2 in Vero-E6 cells

Mem. Inst. Oswaldo Cruz; 116 (), 2021
BACKGROUND The coronaviruses (CoVs) called the attention of the world for causing outbreaks of severe acute respiratory syndrome (SARS-CoV), in Asia in 2002-03, and respiratory disease in the Middle East (MERS-CoV), in 2012. In December 2019, yet again a new coronavirus (SARS-CoV-2) first identified in ...

La respuesta a proteínas mal plegadas como blanco terapéutico en la enfermedad de Alzheimer

Rev. méd. Chile; 148 (2), 2020
The clinical features of Alzheimer's disease (AD), for example the progressive memory loss, are produced by neuronal loss and synaptic dysfunction. These events have been associated with histopathological alterations in AD brain, including the presence of amyloid plaques and neurofibrillary tangles. Rece...

Knockdown of interleukin-10 induces the redistribution of sigma1-receptor and increases the glutamate-dependent NADPH-oxidase activity in mouse brain neurons

Biol. Res; 48 (), 2015
BACKGROUND: In the central nervous system, interleukin-10 (IL-10) provides trophic and survival effects directly on neurons, modulates neurite plasticity, and has a pivotal importance in the neuronal regeneration in neurodegenerative and neuroinflammatory conditions. This cytokine is primarily produced b...

Metformin induces ultrastructural alterations in hepatocytes of spontaneously hypertensive rats

Int. j. morphol; 32 (3), 2014
Metformin, an oral biguanide approved for the treatment of type II diabetes is widely prescribed for other clinical conditions. Currently, metformin is being investigated as potential anti-tumor agent. However, there have been recent concerns about hepatotoxicity associated with the use of metformin. Thi...