Sexually dimorphic regulation of gonadotrope cell hyperplasia in medaka pituitary via mitosis and transdifferentiation

MR Royan, D Kayo, FA Weltzien, R Fontaine - Endocrinology, 2023 - academic.oup.com
The 2 pituitary gonadotropins, follicle-stimulating hormone (FSH) and luteinizing hormone
(LH), regulate the reproductive function in all vertebrates. While many studies have …

3D Atlas of the Pituitary Gland of the Model Fish Medaka (Oryzias latipes)

MR Royan, K Siddique, G Csucs… - Frontiers in …, 2021 - frontiersin.org
In vertebrates, the anterior pituitary plays a crucial role in regulating several essential
physiological processes via the secretion of at least seven peptide hormones by different …

Generation and use of recombinant gonadotropins in fish

G Molés, K Hausken, M Carrillo, S Zanuy… - General and …, 2020 - Elsevier
Understanding the differential roles of the pituitary gonadotropins Fsh and Lh in gonad
maturation is crucial for a successful manipulation of the reproductive process in fish, and …

Artificial light at night disrupts male dominance relationships and reproductive success in a model fish species

LE Closs, MR Royan, A Sayyari, I Mayer… - Science of the Total …, 2023 - Elsevier
Environmental light is perceived and anticipated by organisms to synchronize their
biological cycles. Therefore, artificial light at night (ALAN) disrupts both diurnal and seasonal …

Reproductive endocrine disruption and gonadal intersex induction in male Japanese medaka chronically exposed to betamethasone at environmentally relevant …

M Su, Y Zhong, J **ang, Y Chen, N Liu… - Journal of Hazardous …, 2023 - Elsevier
The broad utilization of betamethasone in medical treatments may pose a significant
ecotoxicological risk to aquatic organisms, yet its potential reproductive toxicity remains …

[HTML][HTML] Characterization of gonadotropin receptors Fshr and Lhr in Japanese medaka, Oryzias latipes

S Burow, N Mizrahi, G Maugars, K von Krogh… - General and …, 2020 - Elsevier
Reproduction in vertebrates is controlled by the brain-pituitary-gonad axis, where the two
gonadotropins follicle-stimulating hormone (Fsh) and luteinizing hormone (Lh) play vital …

Plasticity of Lh cells caused by cell proliferation and recruitment of existing cells

R Fontaine, E Ager-Wick, K Hodne… - Journal of …, 2019 - joe.bioscientifica.com
Luteinizing hormone (Lh) and follicle-stimulating hormone (Fsh) control reproduction in
vertebrates. Using a transgenic line of medaka, in which green fluorescent protein …

Gnrh1-induced responses are indirect in female medaka Fsh cells, generated through cellular networks

K Hodne, R Fontaine, E Ager-Wick, FA Weltzien - Endocrinology, 2019 - academic.oup.com
Reproductive function in vertebrates is stimulated by GnRH that controls the synthesis and
release of the two pituitary gonadotropins, FSH and LH. FSH and LH, which regulate …

Plasticity in medaka gonadotropes via cell proliferation and phenotypic conversion

R Fontaine, E Ager-Wick, K Hodne… - Journal of …, 2020 - joe.bioscientifica.com
Follicle stimulating hormone (Fsh) and luteinizing hormone (Lh) produced by the
gonadotropes, play a major role in control of reproduction. Contrary to mammals and birds …

Day length regulates gonadotrope proliferation and reproduction via an intra-pituitary pathway in the model vertebrate Oryzias latipes

MR Royan, K Hodne, R Nourizadeh-Lillabadi… - Communications …, 2024 - nature.com
In seasonally breeding mammals and birds, the production of the hormones that regulate
reproduction (gonadotropins) is controlled by a complex pituitary-brain-pituitary pathway …