Active chemicals are among the contaminants of emerging concern that are rarely covered
in regulatory documents in sub-Saharan Africa. These substances are neither in the list of …

The high biodiversity of fish in the Neotropical region contrasts with scarce or biased studies
on the mechanisms involved in the sex determination in members of this fauna. In this …

Many pollutants cause endocrine disruption in aquatic organisms. While studies of the direct
effects of toxicants on exposed organisms are commonplace, little is known about the …

Environmental estrogens are capable of interfering with the spermatogenesis and fertility of
fish. However in natural waters, these chemicals are more likely to occur as a combination …

Abstract Concentrations of estrone (E1), 17β-estradiol (E2) and 17α-ethinylestradiol (EE2)
were investigated for the first time in sewage effluents and receiving waters of the “Río de la …

Endocrine disruptor compounds (EDCs) are environmental pollutant chemicals that can
affect the endocrine system of some organisms. Such compounds are excreted by humans …

As an important maricultured fish, the olive flounder Paralichthys olivaceus shows sex-
dimorphic growth. Thus, the molecular mechanisms involved in sex control in P. olivaceus …

Some heavy metals related to human activities were measured in the water of Chascomús
lake. The maximum concentrations were: 0.23 μg/L for Cd, 4.28 μg/L for Cr, 22.09 μg/L for …

Induction of sex reversal of XY fish has been restricted to the sex undifferentiated period. In
the present study, differentiated XY tilapia were treated with trilostane (TR), metopirone (MN) …

The hypothalamic-pituitary–gonadal axis is the main system that regulates reproduction in
vertebrates through a complex network that involves different neuropeptides …