En los últimos años, se han aplicado diversos análisis y estudios de la ciencia de redes a un número creciente de ramas de estudio, como redes sociales, de comunicación, biológicas, de transporte, económicas, entre otras, de los cuáles se han logrado grandes avances teóricos in- teresantes. Sin embargo, las principales...
Excitotoxicity occurs in response to the overactivation of glutamate receptors. Excitotoxicity is involved in neurodegenerative diseases and in acute brain diseases, such as brain injury and stroke. Glutamatergic signaling during excitotoxicity initiates with the loss of Ca2+ homeostasis that promotes, among other events, the overproduction of reactive oxygen species (ROS)...
The genera Picea (Pinaceae) and Juniperus (Cupressaceae) are part of the main coniferous forests in Mexico. For the first, three endemic species are reported, which are located only in the north of the country. For the second genus, 20 species are reported, widely distributed in Mexico, nine of them endemic...
Organic agriculture is based on the optimal use of natural resources, which helps to increase in a natural way the biological activity of soil, without using chemical compounds that can alter the soil, crops and aquifers. Some macroalgae have been used with excellent results as soil conditioners and biostimulants in...
La debilidad en los Estados no es una condición nueva, sin embargo, ha cobrado mayor relevancia debido a los reportes de fallas estatales, estos hacen una evaluación mediante indicadores que son utilizados de manera global, para categorizar a los países como: fuertes, débiles o frágiles. Bajo dichos criterios, México es...
Meduloblastoma is the most common malignant brain tumor developed during childhood and it accounts for 20% of total pediatric brain tumors. It is originated in the cerebellum, but it can invade other central nervous system regions. Besides tumoral cells, medulloblastoma is also composed by many groups of heterogeneous transformed cells....
Sperm in the female's reproductive tract undergo changes known as sperm capacitation, a requirement to fertilize the oocyte; the redox system regulates these changes. On the other hand, some assisted reproductive technologies to require capacitation in vitro conditions; and the use of antioxidants has been necessary, which can modify the...
El Síndrome de Ovario Poliquístico (SOP) es de los trastornos reproductivos más comunes, afectando de 8 % a 25 % de mujeres en edad reproductiva en todo el mundo. Los criterios de diagnóstico de Rotterdam para SOP se basan en tres principales alteraciones: problemas en la ovulación (anovulación / oligoovulación),...
