OOIR: Observatory of International Research

Papers

(The TQCC of General and Comparative Endocrinology is 5. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-06-01 to 2025-06-01.)

Article	Citations
Functional characterization of growth hormone releasing hormone and its receptor in amphioxus with implication for origin of hypothalamic-pituitary axis	41
Fetal bovine islets and the discovery of insulin	35
Editorial Board	27
Editorial Board	26
Growth regulation in brook charr Salvelinus fontinalis	25
Editorial Board	25
Functional insight and cell-specific expression of the adipokinetic hormone/corazonin-related peptide in the human disease vector mosquito, Aedes aegypti	20
Molecular mechanisms underlying guanylin-induced transcellular Cl− secretion into the intestinal lumen of seawater-acclimated eels	20
Evaluation of stress response in black-tailed prairie dogs (Cynomys ludovicianus) in arid regions from colonies in Chihuahua Mexico	19
Functional characterization of CCHamides and deorphanization of their receptors in the yellow fever mosquito, Aedes aegypti	18
Expressions of melanopsins in telencephalon imply their function in synchronizing semilunar spawning rhythm in the mudskipper Boleophthalmus pectinirostris	18
The insulin signaling pathway a century after its discovery: Sexual dimorphism in insulin signaling	18
Murine fertility and spermatogenesis are independent of the testis-specific Spdye4a gene	18
Editorial Board	17
Early-life glucocorticoids accelerate lymphocyte count senescence in roe deer	17
Kobayashi Award 2021: Neuropeptides, receptors, and follicle development in the ascidian, Ciona intestinalis Type A: New clues to the evolution of chordate neuropeptidergic systems from biological nic	16
LPXRFa and its receptor in yellowtail kingfish (Seriola lalandi): Molecular cloning, ontogenetic expression profiles, and stimulatory effects on growth hormone and gonadotropin gene expression	16
Light/darkness modulation of the hypothalamic-pituitary-ovarian axis in the plains vizcacha, Lagostomus maximus, a seasonal breeding species	16
Melatonin attenuates glucocorticoid effect induced by medroxyprogesterone acetate in rats	16
Corticosteroid control of Na+/K+-ATPase in the intestine of the sea lamprey (Petromyzon marinus)	15
Sex-specific effects of hatching order on nestling baseline corticosterone in a wild songbird	15
Tilapia, a good model for studying reproductive endocrinology	15
Role of sex steroids in fish sex determination and differentiation as revealed by gene editing	14
Changes in maternal fecal corticosterone metabolites across lactation and in response to chronic stress	14
Assessment of glucocorticoids, sex steroids, and innate immunity in wild red-eared slider turtles (Trachemys scripta elegans)	14

Hormonology: A kaleidoscopic tale of dedication, serendipity, and ingenuity	14
Enduring sex-dependent effects of lipopolysaccharide treatment on the hypothalamic–pituitary–gonadal axis in mice	14
Extraembryonic metabolism of corticosterone protects against effects of exposure	14
Effects of faecal inorganic content variability on quantifying glucocorticoid and thyroid hormone metabolites in large felines: Implications for physiological assessments in free-ranging animals	13
Hormonal effects on glucose and ketone metabolism in a perfused liver of an elasmobranch, the North Pacific spiny dogfish, Squalus suckleyi	13
Variation in feather corticosterone levels in Alpine swift nestlings provides support for the hypo-responsive hypothesis	13
Insulin-like growth factor 1 and the hormonal mediation of sibling rivalry	13
Pharmacological properties of whale shark (Rhincodon typus) melanocortin-2 receptor and melancortin-5 receptor: Interaction with MRAP1 and MRAP2	12
Salivary corticosterone reflects plasmatic levels in a wild seabird	12
Identification of motilin in Japanese fire bellied newt	12
Low-temperature-induced disruption of reproductive axis and sperm vitality via stress axis in Monopterus albus	12
Distribution of kisspeptin system and its relation with gonadotropin-releasing hormone in the hypothalamus of the South American plains vizcacha, Lagostomus maximus	12
Molecular mechanisms of the stress-induced regulation of the inflammatory response in fish	12
Genome-wide identification, phylogeny, expression and eyestalk neuroendocrine regulation of vitellogenin gene family in the freshwater giant prawn Macrobrachium rosenbergii	12
Evidence from transcriptome analysis unravelled the roles of eyestalk in salinity adaptation in Pacific white shrimp (Litopenaeus vannamei)	12
Physiological roles of ghrelin in the regulation of gastrointestinal motility in vertebrates	12
Corrigendum to “Does variation in glucocorticoid concentrations predict fitness? A phylogenetic meta-analysis” [Gen. Comp. Endocrinol. 300 (2021) 113611]	11
Puberty regulation in chub mackerel Scomber japonicus, an important aquaculture fish species, via reproductive endocrine mechanism	11
In vivo effect of recombinant Fsh and Lh administered to meagre (Argyrosomus regius) at the initial stages of sex differentiation	11
Production of recombinant Japanese eel (Anguilla japonica) growth hormones and their effects on early-stage larvae	11
Estrogen-related receptor functions via the 20-hydroxyecdysone and IIS/TOR signaling pathways to regulate the development and morphology changes of ant Polyrhachis vicina Roger (Hymenoptera, Formicida	11
Editorial Board	11
Influence of season, age, sex, and time of day on the endocrine profile of the common bottlenose dolphin (Tursiops truncatus)	11
Urotensin II in GIFT Nile tilapia (Oreochromis niloticus): CDS cloning, tissue distribution, and in vitro regulation of male reproduction	11
Molecular form identification of anterior pituitary gland-secreted prolactin in chicken	11
Migratory state and patterns of steroid hormone regulation in the pectoralis muscle of a nomadic migrant, the pine siskin (Spinus pinus)	10
Evaluating suitability of saliva to measure steroid concentrations in grey seal pups	10
Catecholamines modulate differentially nonapeptide precursor mRNA expression in the preoptic area and ovary of the catfish Heteropneustes fossilis: An in vitro study	10
Is there potential for estradiol receptor signaling in lophotrochozoans?	10
Resistin in endocrine pancreas of sheep: Presence and expression related to different diets	10
Changes in hypothalamic–pituitary–adrenal axis function, immunity, and glucose during acute Plasmodium relictum infection in house sparrows (Passer domesticus)	10
Editorial Board	10
In vitro effects of polychlorinated biphenyls and their hydroxylated metabolites on the synthesis and metabolism of iodothyronines in the chicken (Gallus domesticus) thyroid gland	10
Editorial Board	10
Strong regulatory effects of vgll3 genotype on reproductive axis gene expression in juvenile male Atlantic salmon	10
Environmental estrogens inhibit the expression of insulin-like growth factor mRNAs in rainbow trout in vitro by altering activation of the JAK-STAT, AKT-PI3K, and ERK signaling pathways	10
Small GTPase control of pituitary hormone secretion: Evidence from studies in the goldfish (Carassius auratus) neuroendocrine model	9
Activation of the Cap’n’collar C pathway (Nrf2 pathway in vertebrates) signaling in insulin pathway compromised Drosophila melanogaster flies ameliorates the diabetic state upon pro-oxidant conditions	9
Long-term monitoring of egg-laying cycle using ultrasonography reveals the reproductive dynamics of circulating sex steroids in an oviparous catshark, Scyliorhinus torazame	9
Characterization of myoinhibitory peptide signaling system and its implication in larval metamorphosis and spawning behavior in Pacific abalone	9
Editorial Board	9
Prolactin and the evolution of male pregnancy	9
The neurosecretory staining in the pleural-pedal ganglion of the Japanese abalone (Ezoawabi), Haliotis discus hannai, and its relationship to reproduction; with a description of a newly observed neuro	9
Nesfatin-1-like peptide is a negative regulator of cardiovascular functions in zebrafish and goldfish	9
Hepatic estrogen-responsive genes relating to oogenesis in cutthroat trout (Oncorhynchus clarki): The transcriptional induction in primary cultured hepatocytes and the in vitro promoter transactivatio	9
Killer whale fecal samples: How to get the most out of a single extraction	8
Role and mechanism of the p-JAK2/p-STAT3 signaling pathway in follicular development in PCOS rats	8
Editorial Board	8
Molecular characterization and ontogenetic expression profiles of LPXRFa and its receptor in Japanese flounder (Paralichthys olivaceus)	8
Molecular characterization and stage-dependent gene expression of gonadotropin receptors in Pacific bluefin tuna, Thunnus orientalis, ovarian follicles	8

Coping with extremes: High-altitude sparrows enhance metabolic and thermogenic capacities in the pectoralis muscle and suppress in the liver relative to their lowland counterparts	8
Analysis of evolutionary and functional features of the bullfrog SULT1 family	8
Zebra finches (Taeniopygia castanotis) display varying degrees of stress resilience in response to constant light	8
Editorial Board	8
Identification and functional analysis of six melanocortin-4-receptor-like (MC4R-like) mutations in goldfish (Carassius auratus)	8
Hypothalamic-pituitary-adrenal axis regulation and organization in urban and rural song sparrows	8
Using transcriptome analysis to investigate the induction of vitellogenesis in female Japanese eels (Anguilla japonica)	8
Corrigendum to “The uterus masculinus of the Eurasian beaver (Castor fiber L.) – The appraisal of fast hormone regulation by membrane androgen and estrogen receptors involvement” [Gen. Comp. Endocrino	8
Sex steroid profiles align with phenotype in sex-reversed female lizards	8
Gene expression in the hypothalamic-pituitary-thyroid axis in Seriola rivoliana early larvae development at different temperatures	8
Variation in nest building, aggression, learning, and steroid hormone levels in Betta splendens	8
Global analysis of ligand-gated ion channel conservation across Platyhelminthes	8
RNA-Seq analysis offers insight into the TBBPA-DHEE-induced endocrine-disrupting effect and neurotoxicity in juvenile zebrafish (Danio rerio)	8
Fostered offspring develop hyper-reactive endocrine stress responses in a plural-breeding rodent, Octodon degus	7
Editorial Board	7
The hormonal and neural control of egg production in the historically important model insect, Rhodnius prolixus: A review, with new insights in this post-genomic era	7
Juvenile hormone in spiders. Is this the solution to a mystery?	7
The chondrichthyan glucagon-like peptide 3 regulates hepatic ketone metabolism in the Pacific spiny dogfish Squalus suckleyi	7
Comparative transcriptomic analysis and genome-wide characterization of the Semaphorin family reveal the potential mechanism of angiogenesis around embryo in ovoviviparous black rockfish (Sebastes sch	7
Molecular and pharmacological analysis of the melanocortin-2 receptor and its accessory proteins Mrap1 and Mrap2 in a Squalomorph shark, the Pacific spiny dogfish	7
Transcriptional regulation of CYP19A1 expression in chickens: ESR1, ESR2 and NR5A2 form a functional network	7
Cortisol production by interrenal cells in rainbow trout (Oncorhynchus mykiss) is stimulated by 5-HT4 receptor activation	7
The stress response in Atlantic salmon (Salmo salar L.): identification and functional characterization of the corticotropin-releasing factor (crf) paralogs	7
Editorial Board	7
Vasotocin expression is associated with social preference development of the medaka fish	7
Pre-breeding androgen and glucocorticoid profiles in the eastern hellbender salamander (Cryptobranchus alleganiensis alleganiensis)	7
Urbanization and maternal hormone transfer: Endocrine and morphological phenotypes across ontogenetic stages	7
Editorial Board	7
Fecal adrenal hormone patterns during ovulatory and non-ovulatory reproductive cycles in female veiled chameleons (Chamaeleo calyptratus)	6
Enhanced expression of Cyp17a1 and production of DHEA-S in the liver of late-pregnant rats	6
Regulation of melanocortin-5 receptor pharmacology by two isoforms of MRAP2 in ricefield eel (Monopterus albus)	6
Motilin is a regulator of gastric contraction in Japanese fire belly newts (Cynops pyrrhogaster), in vitro studies using isolated gastrointestinal strips of newts, rabbits, and chickens	6
Neuromodulation in the fish brain for reproductive success	6
Effects of long-term cortisol treatment on growth and osmoregulation of Atlantic salmon and brook trout	6
Editorial Board	6
Editorial Board	6
Progesterone receptors in extratesticular ducts of the Amazonian stingray Potamotrygon wallacei: A potential role in sperm maturation and aggregate formation	6
Elevated expression of inhibin α gene in sterile allotriploid crucian carp	6
Hair glucocorticoids are not a historical marker of stress – Exploring the time-scale of corticosterone incorporation into hairs in a rat model	6
Potential role of DNA methylation of cyp19a1a promoter during sex change in protogynous orange-spotted grouper, Epinephelus coioides	6
The distribution of gonadotropin-inhibitory hormone (GnIH) and its receptor in zebra finch (Taeniopygia guttata) spinal cord	6
CRISPR/Cas9-induced LEAP2 and GHSR1a knockout mutant zebrafish displayed abnormal growth and impaired lipid metabolism	6
Editorial Board	6
Neurosecretory protein GL in GIFT tilapia (Oreochromis niloticus): cDNA cloning, tissue distribution and effects of feeding on its expression	6
Identification and functional characterization of gonadotropin -releasing hormone in pompano (Trachinotus ovatus)	6
Editorial Board	6
Changes in serum adipokines during natural extended fasts in female northern elephant seals	6
A comparative account of nesfatin-1 in vertebrates	6
Comparative transcriptome provides insights into differentially expressed genes between testis and ovary of Onychostoma macrolepis in reproduction period	6
Investigating the utility of using fecal hormone metabolites as a reproductive management tool for captive short-beaked echidnas (Tachyglossus aculeatus)	6
Association of seasonal changes in circulating cortisol concentrations with the expression of cortisol biosynthetic enzymes and a glucocorticoid receptor in the blubber of common bottlenose dolphin	6
The effect of androgen exposure on cerebral lateralization in the American alligator (Alligator mississippiensis)	5
Presence of GnRH3 in sturgeon and the roles of GnRH1 and GnRH2 on the regulation of LH/FSH in mature female sterlet Acipenser ruthenus in vitro	5
Brain transcriptome analysis reveals genes involved in parental care behaviour in discus fish (Symphysodon haraldi)	5
Genome-wide analysis of two different regions of brain reveals the molecular changes of fertility related genes in rln3a-/- mutants in male Nile tilapia (Oreochromis niloticus)	5
Influence of EE2 exposure, age and sex on telomere length in European long-snouted seahorse (Hippocampus guttulatus)	5
Editorial Board	5
Absence of some cytochrome P450 (CYP) and hydroxysteroid dehydrogenase (HSD) enzymes in hagfishes	5
Tpo knockout in zebrafish partially recapitulates clinical manifestations of congenital hypothyroidism and reveals the involvement of TH in proper development of glucose homeostasis	5
Development and metamorphosis in frogs deficient in the thyroid hormone transporter MCT8	5
Mechanistic study of transcription factor Sox18 during heart development	5
Differential regulation of hepatic SH3 domain binding kinase 1 (SBK1) expression in mouse and goldfish	5
Possible effects of the central adrenergic and dopaminergic receptors on hypophagia induced by neuromedin S in neonatal layer-type chicks	5
Identification and characterization of neuropeptides in sea urchin Strongylocentrotus intermedius	5
Editorial Board	5
Using an on-site laboratory for fecal steroid analysis in wild white-faced capuchins	5
Are hair cortisol levels dependent on hair growth rate? A pilot study in rhesus macaques	5
Structural modeling and gene expression analysis of phosvitinless vitellogenin (vgc) in the Indian freshwater murrel, Channa punctatus (Bloch, 1793)	5
Editorial Board	5
Biocompatible polymeric microparticles serve as novel and reliable vehicles for exogenous hormone manipulations in passerines	5
Metamorphosis-associated immune system maturation in Senegalese sole	5
Knockout of tac3 genes in zebrafish shows no impairment of reproduction	5
Characterization and localization of relaxin-like gonad-stimulating peptide in the crown-of-thorns starfish, Acanthaster cf. solaris	5
Trends in the evolution of the elasmobranch melanocortin-2 receptor: Insights from structure/function studies on the activation of whale shark Mc2r	5
Evolutionary loss of the β1-adrenergic receptor in salmonids	5