Functional significance of GnRH and kisspeptin, and their cognate receptors in teleost reproduction

R Gopurappilly, S Ogawa, IS Parhar - Frontiers in endocrinology, 2013 - frontiersin.org
Guanine nucleotide binding protein (G-protein)-coupled receptors (GPCRs) are eukaryotic
transmembrane proteins found in all living organisms. Their versatility and roles in several …

Biological significance of kisspeptin–kiss 1 receptor signaling in the habenula of teleost species

S Ogawa, IS Parhar - Frontiers in Endocrinology, 2018 - frontiersin.org
Kisspeptin is a neuropeptide, encoded by kisspeptin 1 (KISS1)/Kiss1 gene, which primarily
acts as the regulator of reproductive functions via its receptor, kisspeptin receptor (KissR) in …

Temperature affects sexual maturation through the control of kisspeptin, kisspeptin receptor, GnRH and GTH subunit gene expression in the grass puffer during the …

MD Shahjahan, T Kitahashi, H Ando - General and Comparative …, 2017 - Elsevier
Water temperature is an environmental factor of primary importance that influences
reproductive function in fish. To understand the molecular and physiological mechanisms …

The kisspeptin system genes in teleost fish, their structure and regulation, with particular attention to the situation in Pleuronectiformes

AS Mechaly, J Viñas, F Piferrer - General and comparative endocrinology, 2013 - Elsevier
It is well established that Kisspeptin regulates the onset of puberty in vertebrates through
stimulation of the secretion of gonadotropin-releasing hormones. However, the function of …

Temperature differentially regulates the two kisspeptin systems in the brain of zebrafish

M Shahjahan, T Kitahashi, S Ogawa… - General and Comparative …, 2013 - Elsevier
Kisspeptins encoded by the kiss1 and kiss2 genes play an important role in reproduction
through the stimulation of gonadotropin-releasing hormone (GnRH) secretion by activating …

Role of habenula in social and reproductive behaviors in fish: comparison with mammals

S Ogawa, IS Parhar - Frontiers in Behavioral Neuroscience, 2022 - frontiersin.org
Social behaviors such as mating, parenting, fighting, and avoiding are essential functions as
a communication tool in social animals, and are critical for the survival of individuals and …

Gonadotrophin‐inhibitory hormone and its mammalian orthologue RF amide‐related peptide‐3: Discovery and functional implications for reproduction and stress

LJ Kriegsfeld, KJ Jennings, GE Bentley… - Journal of …, 2018 - Wiley Online Library
At the turn of the millennium, a neuropeptide with pronounced inhibitory actions on avian
pituitary gonadotrophin secretion was identified and named gonadotrophin‐inhibitory …

Phoenixin-20 stimulates mRNAs encoding hypothalamo-pituitary-gonadal hormones, is pro-vitellogenic, and promotes oocyte maturation in zebrafish

JJ Rajeswari, S Unniappan - Scientific Reports, 2020 - nature.com
Abstract Phoenixin-20 (PNX-20) is a bioactive peptide with hormone-like actions in
vertebrates. In mammals, PNX stimulates hypothalamo-pituitary-gonadal hormones and …

Conserved functions of hypothalamic kisspeptin in vertebrates

M Sivalingam, S Ogawa, VL Trudeau… - General and Comparative …, 2022 - Elsevier
Hypothalamic kisspeptin encoded by KISS1/Kiss1 gene emerged as a regulator of the
reproductive axis in mammals following the discovery of the kisspeptin receptor (Kissr) and …

Periodic regulation of expression of genes for kisspeptin, gonadotropin-inhibitory hormone and their receptors in the grass puffer: Implications in seasonal, daily and …

H Ando, M Shahjahan, T Kitahashi - General and Comparative …, 2018 - Elsevier
The seasonal, daily and lunar control of reproduction involves photoperiodic, circadian and
lunar changes in the activity of kisspeptin, gonadotropin-inhibitory hormone (GnIH) and …