A great majority of studies mark the importance of coastal systems, mainly in estuaries due to its high biological, physical and chemical variability as a result of variations in environmental parameters to seasonal level, with greater emphasis on diel level, allowing a closer the behavior of the composition in such...
The cytokine IFN-g plays an important role in the adaptive immune response against Toxoplasma gondii, since it induces effector mechanisms against the tachyzoite, i.e. phagocytosis enhancement of macrophages, neutrophils and natural killer (NK) cells, as well as B cell production of antibodies of the IgG1 and IgG3 subclasses; the later...
The present study compared the A. brasiliensis ATCC 9642 secretome obtained by submerged fermentation using the minimal medium Hill y Kafer with three initial concentrations of sucrose: 20, 40 and 60 g/L. The samples for the analysis of secretomes were taken at the culture time where the maximum rate of...
The epididymal sperm maturation, comprises a series of morphological and biochemical events that alter sequentially to sperm during its transit along the epididymal tubule, which gives them the necessary characteristics to properly perform the oocyte fertilization. It is considered that in most mammals studied, the maturation ends in the distal...
Se registraron 18 especies de Caulerpa en México distribuidas en 304 localidades. El análisis de parsimonia de endemismos (PAE) se realizó para identificar los patrones de distribución de las especies, usando dos unidades geográficas de análisis: una cuadrícula de 2º de latitud x 2º de longitud y las ecorregiones marinas...
UN is a condition that damages the cellular functions of the body progressive way. Is the cause of 45% of global deaths in children under 5 years of age; It has been widely studied the effects at cytogenetic level, however for gene level not have enough reports to show if...
Breast cancer is one of the most common neoplasia in the world and is the leading cause of cancer death in women in Mexico. Its high mortality is due mainly to its great metastatic capacity, which is associated with epithelial-mesenchymal transition (EMT). During this process, a decrease in the expression...
The phylum Cnidarian contains about 11,000 species, the jellyfishes has cells specialized (cnidocitos) that contain toxins; this toxins have the potential to be a tool with which to study some complex physiological systems, in addition to being used for the manufacture of new drugs and obtaining knowledge of its operation...
Under laboratory conditions male sexual behavior usually is analyzed using a standard arena (SA), consisting of a rectangular or cylindrical chamber, in which a male rat is paired with a receptive female (RECF). However in previous studies, it has been shown that sexual behavior in rat can be modified when...
Epididymal sperm maturation is the process of mammalian spermatozoa, in which they acquire their ability to fertilize the egg after its transit through the epididymis. This transit is not passive, the spermatozoids undergo morphophysiological and biochemical changes, which are responsible for acquiring the characteristics necessary to fertilize. For many decades...
