ArticleBiology of reproduction2021
Temporal and spatial expression of adrenomedullin and its receptors in the porcine uterus and peri-implantation conceptuses.
Article in Biology of reproduction, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 19 citations in OpenAlex.
- Uterine histotroph and conceptus development. V. Comparative analyses of arginine-mediated transcriptomic reprogramming in conceptus trophectoderm of pigs and sheep†.Biology of reproduction · 2025Article
- Mycotoxins and the Intestinal Epithelium: From Barrier Injury to Stem Cell Dysfunction.Toxins · 2025Review
- Apelin-13 modulates the endometrial transcriptome of the domestic pig during implantation.BMC genomics · 2024Article
- Cognitive Impairment in Multiple Sclerosis.Bioengineering (Basel, Switzerland) · 2023Review
- Article
- Uterine-specific SIRT1 deficiency confers premature uterine aging and impairs invasion and spacing of blastocyst, and stromal cell decidualization, in mice.Molecular human reproduction · 2022Article
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Adrenomedullin (ADM) is an evolutionarily conserved multifunctional peptide hormone that regulates implantation, embryo spacing, and placentation in humans and rodents. However, the potential roles of ADM in implantation and placentation in pigs, as a litter-bearing species, are not known. This study determined abundances of ADM in uterine luminal fluid, and the patterns of expression of ADM and its receptor components (CALCRL, RAMP2, RAMP3, and ACKR3) in uteri from cyclic and pregnant gilts, as well as conceptuses (embryonic/fetus and its extra-embryonic membranes) during the peri-implantation period of pregnancy. Total recoverable ADM was greater in the uterine fluid of pregnant compared with cyclic gilts between Days 10 and 16 post-estrus and was from uterine luminal epithelial (LE) and conceptus trophectoderm (Tr) cells. Uterine expression of CALCRL, RAMP2, and ACKR3 were affected by day (P < 0.05), pregnant status (P < 0.01) and/or day x status (P < 0.05). Within porcine conceptuses, the expression of CALCRL, RAMP2, and ACKR3 increased between Days 10 and 16 of pregnancy. Using an established porcine trophectoderm (pTr1) cell line, it was determined that 10-7 M ADM stimulated proliferation of pTr1 cells (P < 0.05) at 48 h, and increased phosphorylated mechanistic target of rapamycin (p-MTOR) and 4E binding protein 1 (p-4EBP1) by 6.1- and 4.9-fold (P < 0.0001), respectively. These novel results indicate a significant role for ADM in uterine receptivity for implantation and conceptus growth and development in pigs. They also provide a framework for future studies of ADM signaling to affect proliferation and migration of Tr cells, spacing of blastocysts, implantation, and placentation in pigs.
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