Gap junctions are collections of intercellular membrane channels that allow adjacent cells to
share small molecules (< 1 kDa). Gap junction channels are composed of connexins, a …

THE ability of cells to interact and communicate is a biological phenomenon that developed
with the evolution of multicellular organisms. The cell-cell interactions that have evolved are …

Glyphosate is the primary active constituent of the commercial pesticide Roundup. The
present results show that acute Roundup exposure at low doses (36 ppm, 0.036 g/L) for 30 …

Low fertility of dairy cattle during the summer in tropical, subtropical and temperate regions
is a well-documented event. A less well-known fact is that during the autumn, although the …

The activity of the enzymes involved in the antioxidant defence—superoxide dismutase
(SOD), glutathione peroxidase (GPx), reductase (GR) S-transferase (GST)—as well as the …

After parturition, the uterus undergoes marked remodelling during involution; however, little
is known of the hormonal, cellular and molecular mechanisms that regulate this process …

Publisher Summary This chapter discusses the sertoli–germ cell communication network in
mammals. In most mammals, spermatogenesis occurs in the seminiferous tubules, which …

During spermatogenesis in the mammalian testis, preleptotene/leptotene spermatocytes
differentiate from type B spermatogonia and traverse the blood-testis barrier (BTB) at stage …

Defensins are antimicrobial peptides that play a major role in innate immunity. Using reverse
transcriptase-polymerase chain reaction, immunochemistry, or both, we performed a search …

Bisphenol A, an estrogenic environmental toxicant, has been implicated to have hazardous
effects on reproductive health in humans and rodents. However, there are conflicting reports …