ArticleThe Journal of reproduction and development2024
AVPV
Article in The Journal of reproduction and development, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- D-Box Binding Protein (DBP) as a Circadian Output Regulator: Molecular Mechanisms, Tissue-Specific Functions, and Disease Relevance.International journal of molecular sciences · 2026Review
- Differential hypothalamic expression of Musashi protein 2 in Mongolian sheep with single and double ovulation.Frontiers in veterinary science · 2026Article
- Involvement of nuclear receptor corepressor 2 (NCOR2) in estrogen-induced repression of arcuate Kiss1 expression in female rats.The Journal of reproduction and development · 2025Article
Corrections and comments
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ovulation disorders are a major cause of low pregnancy rates and infertility in humans and livestock. Kisspeptin neurons located in the anteroventral periventricular nucleus (AVPV) are responsible for the generation of the gonadotropin-releasing hormone (GnRH)/luteinizing hormone (LH) surge and the consequent ovulation in female rodents. The present study aimed to examine whether purinergic neurons are direct upstream stimulators of AVPV kisspeptin neurons that trigger the GnRH/LH surge and consequent ovulation in Kiss1-Cre rats. We specifically knocked down the mRNA expression of the P2rx2 purinergic receptor in AVPV kisspeptin neurons by administering an adeno-associated virus (AAV) vector containing Cre-dependent P2rx2 short hairpin RNA (shRNA) into the AVPV region of ovariectomized (OVX) Kiss1-Cre rats treated with a proestrus level of estradiol-17β (OVX + high E2) or ovary-intact Kiss1-Cre rats. The E2-induced afternoon LH surge was significantly suppressed by AVPV kisspeptin neuron-specific knockdown of P2rx2 in OVX + high E2 Kiss1-Cre rats compared with scrambled shRNA-treated control OVX + high E2 Kiss1-Cre rats. Furthermore, the specific knockdown of P2rx2 in AVPV kisspeptin neurons largely disrupted the estrous cycle, spontaneous LH surge, and ovulation in ovary-intact Kiss1-Cre rats. These findings suggest that purinergic neurons directly stimulate AVPV kisspeptin neurons via P2X2 receptors (P2RX2) to induce the GnRH/LH surge and consequent ovulation in female rats.
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Registered trials
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