OOIR: Observatory of International Research

Papers

(The TQCC of Journal of Reproduction and Development is 3. 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 2022-08-01 to 2026-08-01.)

Article	Citations
Chromatin structure in totipotent mouse early preimplantation embryos	31
Female reproductive impacts of emerging cyanobacterial harmful algal bloom toxins	26
Seminal fluid effects on female reproductive function in laboratory, livestock, and domestic species	26
Reconstitution of germ cell and gonadal development for <i>in vitro</i> gamete production	22
Stromal resistance to placental invasion is a derived trait in ruminants	20
Can thermoregulatory response to heat stress be improved in lactating dairy cows? Insights from counter-current heat transfer systems impacting reproduction	14
Busulfan administration replicated the characteristics of the epididymal initial segment observed in mice lacking testis-epididymis lumicrine signaling	14
Early pregnancy detection in ruminants: challenges and innovations	12
Hatchability evaluation of bovine IVF embryos using OCT-based 3D image analysis	11
Optimization of a comprehensive metabolomic analysis system for characterizing metabolic alterations in the cauda epididymis of mature and juvenile mice	11
Effect of paternal resveratrol intake on mitochondria and telomere length in mouse embryos and offspring	10
Effects of light wavelength on oocyte maturation, parthenogenesis, and parthenogenetic embryo development in pigs	9
Mice lacking two testis-specific cytoplasmic poly(A)-binding proteins, PABPC2 and PABPC6, exhibit normal spermatogenesis and fertility	9
Social effects on behaviorally-scored and pedometer-detected estrus in beef cattle	9
Generation, characterization, and differentiation of induced pluripotent stem-like cells in the domestic cat	9
Role of calcium-sensing receptor in regulating activation susceptibility of postovulatory aging mouse oocytes	9
Progesterone and estradiol regulate sperm hyperactivation and <i>in vitro</i> fertilization success in mice	9
Timed administration of llama-purified Beta-Nerve Growth Factor (βNGF) is associated with changes in steroidogenic and LH receptor gene expression in dairy heifers undergoing hormonal estrous synchron	9
Enzymatic isolation of porcine preantral follicles impairs oocyte viability and long-term <i>in vitro</i> growth	9
Identification and characterization of dystrophin-locus-derived testis-specific protein: A testis-specific gene within the intronic region of the rat dystrophin gene	9
Controlled internal drug release (CIDR) removal before luteolysis prolongs estrus interval and increases silent heat risk in Japanese Black cows	8
Immunohistochemical identification of epithelial cell types in the isthmus of bovine oviduct: Comparison with the ampulla	8
Examining a central mechanism whereby undernutrition inhibits GnRH secretion via KNDy neurons	8
Effects of timing and morphology of blastomere cleavage on gene expression profiles of bovine <i>in vitro</i> fertilized embryos	7
Cell cycle regulation for meiosis in mammalian germ cells	7

ATAD2 deficiency leads to subfertility by impairing spermatogenesis in mice	7
Sex determination and genetic screening of equine embryos with whole genome amplification and real-time PCR	7
<i>Ybx1</i> deficiency impairs spermatid development and male fertility without affecting meiosis in mice: insights into spermatogenesis	6
Intergenerational and transgenerational epigenetic mechanisms shaping livestock production and reproduction	6
Enhancement of rat spermatozoal hyperactivation by progesterone	6
The role of emerging assisted reproductive technologies in the conservation of neotropical wild mammals – challenges, advances and perspectives	6
Placental adaptation to maternal environment in domestic animals	6
Suppression of porcine polyspermy using mechanical vibrations during <i>in vitro</i> fertilization	6
<i>MiR-145</i> regulates steroidogenesis in mouse primary granulosa cells by targeting <i>Arpc5</i> and subsequent cytoskeleton remodeling	5
Functional glucocorticoid system in bovine oviduct epithelial cells attenuates lipopolysaccharide induced inflammatory responses	5
Environmental and external stressors of postejaculatory sperm function	5
<i>Kdm4d</i> mutant mice show impaired sperm motility and subfertility	5
Tryptophan promotes sperm hyperactivation in hamsters via 5-hydroxytryptamine biosynthesis within sperm	5
Parallel expression patterns of NR4A nuclear receptor family genes in the pituitary gland of proestrus rats	5
Niacin improves developmental ability by increasing glutathione levels and promoting male pronuclear formation in porcine oocytes grown <i>in vitro</i>	5
The challenges and prospects of mammalian reproduction in extraterrestrial environments	5
Lower developmental potential of rat zygotes produced by ooplasmic injection of testicular spermatozoa versus cauda epididymal spermatozoa	5
Effects of insulin-like growth factor-1 on the mRNA expression of estradiol receptors, steroidogenic enzymes, and steroid production in bovine follicles	4
Culture medium modulates nucleolar architecture and disrupts ribosomal RNA levels in preimplantation mouse embryos	4
Factors affecting oocyte developmental competence in buffalo	4
A combined treatment with progesterone, anti-inhibin serum, and equine chorionic gonadotropin improves number of ovulated oocytes in young C57BL/6J mice	4
Current status and advances in bovine semen production technologies for artificial insemination in Japan	4
Lipid droplets synthesized during luteinization are degraded after pregnancy	4
Central δ/κ opioid receptor signaling pathways mediate chronic and/or acute suckling-induced LH suppression in rats during late lactation	4
Spermatic RXFP2 expression levels and seminal INSL3 concentrations among beef bull ejaculates with different levels of sperm morphological normality	4
Living in a chemical cocktail: real-world mixture exposures and their impact on ovarian function	4
MMP3 mediates E2-induced bovine endometrial cell proliferation by releasing HB-EGF	4
Identification of the optimal manipulation medium temperature for <i>in vitro</i> handling of oocytes and embryos during <i>in vitro</i> maturation, parthenogenesis, and <i&	4
The fertility of dairy heifers and cows is not influenced by the follicular wave of the ovulatory follicle	4
A prospective randomized trial comparing dephereline and busereline for ovulation induction in heat-stressed lactating dairy cows	4
When bovine life begins in a petri dish: transcriptomic insights from embryos to calves conceived <i>in vitro</i>	4
Oocyte activation with <i>phospholipase Cζ</i> mRNA induces repetitive intracellular Ca<sup>2+</sup> rises and improves the quality of pig embryos after intracytoplasmic sperm	4
The role of epigenetic alterations in canine mammary cancer	4
Mechanism of action of IHH in ameliorating thin endometrium	4
Application of bovine progesterone intravaginal controlled-release formulation for estrus synchronization treatment in goats	4
Progesterone modulates HSD11B1-mediated cortisol production in luteinized bovine granulosa cells	3
Effect of ovarian stimulation on developmental speed of preimplantation embryo in a mouse model	3
Capturing temperature changes on the ocular surface along with estrus and ovulation using infrared thermography in Japanese Black cows	3
Involvement of cocaine- and amphetamine-regulated transcript neurons in glucoprivic suppression of pulsatile luteinizing hormone secretion in female rats	3
Neuroendocrine mechanisms leading to novel control techniques of reproduction in livestock: Regulation of the GnRH pulse generator activity	3
Assessment of anti-Müllerian hormone levels as a reproductive indicator in Japanese Black cattle	3
‘Beef-on-dairy’: harnessing assisted reproductive technologies to improve performance and sustainability in seasonal-calving systems	3
Role and action mechanisms of tPA in CRH-induced apoptosis of mouse oviductal epithelial and mural granulosa cells	3
Optimizing lifetime productivity in high-producing dairy cows: challenges in the management of age at first calving, double ovulation, and postpartum uterine health	3
<i>In vitro</i> embryo production via ovum pick-up (OPU) and intracytoplasmic sperm injection (ICSI) in pure and crossbred Japanese Hokkaido native ponies	3
FABP4 mediates endoplasmic reticulum stress and autophagy to regulate endometrial epithelial cell function during early sheep gestation	3
Towards cervical AI of sheep with stored semen: latest insights and future developments	3
Enkephalin-δ opioid receptor signaling partly mediates suppression of LH release during early lactation in rats	3
B3GALT4-dependent gangliosides are required for normal late spermatogenesis and male fertility	3
Optimization of ovum pick-up-<i>in vitro</i> fertilization and <i>in vitro</i> growth of immature oocytes in ruminants	3

Reduced HSP70 expression under mild hypothermia is involved in bovine embryo growth suppression	3
Global analyses and potential effects of extracellular vesicles on the establishment of conceptus implantation during the peri-implantation period	3
Lipid droplet formation is spatiotemporally regulated in oocytes during follicular development in mice	3
High-concentration bovine serum albumin enhances fertilization ability of cold-stored rat sperm	3
Efficient derivation of embryonic stem cells and primordial germ cell-like cells in cattle	3