2015
DOI: 10.3389/fnins.2015.00195
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Role of serotonin in fish reproduction

Abstract: The neuroendocrine mechanism regulates reproduction through the hypothalamo-pituitary-gonadal (HPG) axis which is evolutionarily conserved in vertebrates. The HPG axis is regulated by a variety of internal as well as external factors. Serotonin, a monoamine neurotransmitter, is involved in a wide range of reproductive functions. In mammals, serotonin regulates sexual behaviors, gonadotropin release and gonadotropin-release hormone (GnRH) secretion. However, the serotonin system in teleost may also play unique … Show more

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Cited by 103 publications
(69 citation statements)
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“…In fish, changes to the levels of neurotransmitters can act as important modulators of the endocrine cascade that controls reproduction. For example, serotonin can alter steroidogenesis by interacting with gonadotropin‐releasing hormone, resulting in gonadotropin secretion and the induction of steroidogenesis . However, in the present study, the serotogenic response in fish from the wastewater + 5CECs + O 3 treatment was not sufficient to alter steroidogenesis, as indicated by the lack of changes to circulating levels of E2 and testosterone.…”
Section: Resultscontrasting
confidence: 69%
“…In fish, changes to the levels of neurotransmitters can act as important modulators of the endocrine cascade that controls reproduction. For example, serotonin can alter steroidogenesis by interacting with gonadotropin‐releasing hormone, resulting in gonadotropin secretion and the induction of steroidogenesis . However, in the present study, the serotogenic response in fish from the wastewater + 5CECs + O 3 treatment was not sufficient to alter steroidogenesis, as indicated by the lack of changes to circulating levels of E2 and testosterone.…”
Section: Resultscontrasting
confidence: 69%
“…Monoaminergic systems play a crucial role in linking behaviour and physiology in fish, and brain serotonin levels can influence food intake, cognitive ability, locomotor activity and social behaviour in fish (Bisesi et al, 2014;Sloman et al, 2005;Winberg et al, 1996). In addition, serotonergic modulation in the hypothalamus similar to that observed in this study has the potential to affect sex hormones and modulate genes involved in reproductive function and behaviour in the brain of female goldfish (Mennigen et al, 2008;Prasad et al, 2015).…”
Section: Neurotransmitter Concentrations In the Brain Of Control And supporting
confidence: 59%
“…Metoclopramide, commonly known for its anti-emetic effect via the chemoreceptor trigger zone, is a selective D 2 receptor antagonist, acting as an inhibitor of DA action [30,55]. Although it also has slight effects on the serotonin system (5-HT 3/4 ), the target receptors have not yet been discovered in the teleost fish brain [52]. Because reward-driven behaviour and decision-making faculties are controlled by central mechanisms (as previously stated), all compounds chosen are reported to be capable of crossing the blood -brain barrier, to ensure that the effects could take place in (but not exclusively on) the central system [56 -59].…”
Section: (D) Dopaminergic Treatmentmentioning
confidence: 99%