Neurohormones similar to those of mammals are carried in fish by hypothalamic nerve fibers
to regulate directly follicle-stimulating hormone (FSH) and luteinizing hormone (LH) …

Many natural and synthetic compounds present in the environment exert a number of
adverse effects on the exposed organisms, leading to endocrine disruption, for which they …

The pituitary gland controls many important physiological processes in vertebrates,
including growth, homeostasis, and reproduction. As in mammals, the teleost pituitary …

Sex-change is an intriguing phenomenon that is common among certain groups of teleost
fishes. The process itself has a number of independent origins, although in each case it is …

Protandrous black porgy fish, Acanthopagrus schlegeli, have a striking life cycle with a male
sex differentiation at the juvenile stage and male-to-female sex change at 3years of age. We …

The objectives of the present study were to investigate the effects of oral administration of
aromatase inhibitors on sex change, milt volume, 11-ketotestosterone (11-KT), and LH in …

Steroidogenic enzymes and their steroid products play critical roles during gonadal
differentiation in amphibians; however their roles during embryogenesis remain unclear …

Steroid hormones play a major role in the endocrine systems in all vertebrates, with actions
that include regulation of mineral and water balance, modulation of immune response, and …

The objectives of this study were to investigate the presence of immunoreactive GnRH
(irGnRH) in scleractinian coral, Euphyllia ancora, study its seasonal variation, and evaluate …

Exposure to 17α-ethynylestradiol (EE2, 5 μg/g food) impairs some reproductive events in the
protandrous gilthead seabream and a short recovery period does not allow full recovery. In …