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http://dx.doi.org/10.1095/biolreprod24.2.332 | DOI Listing |
Domest Anim Endocrinol
January 2025
Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, 43126, Parma, Italy.
This paper reviews the role of endocrine regulators in swine ovarian cell functions, highlighting the intricate hormonal interactions that drive reproductive and metabolic processes. The pig represents a valuable model for human biology due to physiological and anatomical similarities. Understanding the endocrine mechanisms in swine can provide insights about human reproductive health and metabolic disorders.
View Article and Find Full Text PDFPoult Sci
December 2024
State Key Laboratory of Swine and Poultry Breeding Industry, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, PR China; Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu Campus, Chengdu 611130, PR China; Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, PR China. Electronic address:
This objective of this experiment was to compare and evaluate the performance, egg quality, and immune function of Tianfu green shell laying hens with varying feather growth rates, in order to provide a reference for their rational utilization. A total of 120 one-day-old healthy Tianfu green shell laying hens were classified into the early-feathering (EF) and late-feathering (LF) groups through phenotypic identification of feather length and qPCR molecular identification. Each group was subdivided into four replicates, with 30 chickens in each replicate.
View Article and Find Full Text PDFPoult Sci
December 2024
State Key Laboratory of Swine and Poultry Breeding Industry, Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, and Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, China. Electronic address:
For commercial laying hens, the continuous high-intensity ovulation process leads to a significant accumulation of reactive oxygen species (ROS) in the granulosa cells, inducing oxidative stress, which accelerates ovarian aging and shortens the peak laying period. The molecular mechanisms underlying this process remain poorly understood. Therefore, we modeled the processes of oxidative stress and antioxidant in chicken granulosa cells.
View Article and Find Full Text PDFGenome Biol
January 2025
College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao, 266109, China.
Background: In humans and other mammals, the process of oogenesis initiates asynchronously in specific ovarian regions, leading to the localization of dormant and growing follicles in the cortex and medulla, respectively; however, the current understanding of this process remains insufficient.
Results: Here, we integrate single-cell RNA sequencing (scRNA-seq) and spatial transcriptomics (ST) to comprehend spatial-temporal gene expression profiles and explore the spatial organization of ovarian microenvironments during early oogenesis in pigs. Projection of the germ cell clusters at different stages of oogenesis into the spatial atlas unveils a "cortical to medullary (C-M)" distribution of germ cells in the developing porcine ovaries.
Cell Commun Signal
January 2025
Laboratory of Theriogenology, College of Veterinary Medicine, Chungnam National University, Daejeon, 34134, Republic of Korea.
Background: Although the Notch signaling pathway is known to play an important role in ovarian follicle development in mammals, whether it is involved in oocyte maturation remains unclear. Therefore, this study was performed to elucidate the existence and role of the Notch signaling pathway during oocyte maturation in a porcine model.
Methods: Reverse transcription-polymerase chain reaction (RT-PCR) and immunocytochemical assays were used to determine the existence of Notch signaling pathway-related transcripts and proteins in porcine cumulus-oocyte complexes (COCs).
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