Stress isa physiologicalreactionofthebodywhich allows coping witha situation thatis perceived as threatening.The intensity and durationof the stressorare important determinantsin the responseof theorganism, so that prolonged exposureto a stressormay result insomepathology. Theintrauterine environmenton fetusmayalsoinfluence susceptibilityto neurological, metabolic or endocrine diseasesin adulthood. Prenatalstresshas been linked toearlyprogramming ofbrain function,because it causespermanent changesonsome reproductivepatternsof offspringin...
Active caspases 3- and -7 are considered key in somatic and testicular germ cell apoptosis signalization. Strategies of in situ or ex situ label permits to identify cell expressing active caspases. The goal of the present work was to investigate whether exists differences between percentages of sperm labeled with distinct...
En la etapa neonatal, la administración de compuestos con actividad estrogénica puede modificar la estructura y función de las estirpes celulares presentes en el testículo, regulando tanto la producción de hormonas como la espermatogénesis; Estos cambios pueden tener repercusión en la vida adulta, ya que se puede reducir la producción...
Mesquite (Prosopis julilflora) is a legume which is distributed in the arid and semi-arid zones of Mexico and is widely used for feeding various species of livestock and even in human diet due to its high content of proteins, carbohydrates, fiber, vitamins and minerals. Mesquite also contains different types of...
Leucaena leucocephala, es un arbusto perennifolio perteneciente a las leguminosas. Se utiliza con fines comestibles y como forraje; sin embargo, su uso como forrajese limita debido a que provocadaños físicos y reproductivos. Esta planta contiene fitoestrógenos como el kaempferol, la quercetina, la isoharmnetina y la luteolina, los cuales podrían ser...
The choice of partners by females is not only reduced to the evaluation of the secondary sexual characteristics of a potential partner, there are other equally important factors, such as the formation of friendly relationships. "Friendship" relationships are defined as the close association between two unrelated members of a group,...
Controlled ovarian stimulation is based on the recruitment of several follicles at the beginning of each menstrual cycle, through the administration of agonists of Gonadotropin-releasing hormone (GnRH), recombinant follicle-stimulating hormone (FSHr), human menopausal gonadotropin hormone (hMG) and human chorionic gonadotropin hormone (hCG). In the course of a natural ovarian cycle,...
Background: Parabens (PBs) are compounds widely used in food and personal care products industry as antimicrobials and preservatives. Their indiscriminate use has allowed them to be detected in different ecosystems so that humans and other organisms are highly exposed. Methylparaben (MePB), compared with other PBs, is mostly detected in food,...
La obesidad es un problema de salud mundial, el cual ha ido en aumento en los últimos años, y se le ha asociado con diversas alteraciones, entre las cuales se mencionan las cardiopatías, cáncer, diabetes, problemas metabólicos, así como, la infertilidad masculina, debido a que se han presentado casos de...
