Characterization of reproductive hormones and related gene expression in the hypothalamus and pituitary gland in the egg-laying interval in White King pigeon

Miao, D.Z.; Liu, C.; Deng, Z.Y.; Zhang, C.; Guo, Z.Y.; Li, W.Q.; Wang, Y.; Yang, H.M.; Wang, Z.Y.

doi:10.1016/j.psj.2024.103422

Poultry Science

2024

DOI: 10.1016/j.psj.2024.103422

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Characterization of reproductive hormones and related gene expression in the hypothalamus and pituitary gland in the egg-laying interval in White King pigeon

D.Z. Miao,

C. Liu,

Z.Y. Deng

et al.

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2024

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Cited by 2 publications

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CircRNAs involved in the red light of effect on follicle selection in pigeons

Wang,

Miao,

Zhang

et al. 2024

Poultry Science

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CircRNAs involved in the red light of effect on follicle selection in pigeons

Wang,

Miao,

Zhang

et al. 2024

Poultry Science

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Histological Characteristics of Follicles, Reproductive Hormones and Transcriptomic Analysis of White King Pigeon Illuminated with Red Light

Wang,

Zuo,

Zhang

et al. 2024

Animals

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Red light (RL) has been observed to enhance egg production in pigeons, yet the underlying histological characteristics and molecular mechanisms remain less understood. This study included fifty-four pigeons to assess follicular histology, reproductive hormones, and ovarian transcriptomics on the third day of the laying interval under RL and white light (WL). The results showed that the granulosa cell layer was significantly thicker under RL (p < 0.05), whereas the theca cell and connective tissue layers showed no significant differences (p > 0.05). Higher plasma estradiol (E2) levels were recorded in the RL group (p < 0.05), as well as follicle stimulating hormone (FSH), although progesterone (P4) levels were higher under WL (p < 0.05). Moreover, P4 concentrations in follicle yolk significantly decreased under RL (p < 0.01), with higher FSH and E2 levels in F1 yolk and similar increases in SF1 yolk (p < 0.01). Transcriptomic analysis revealed 4991 differentially expressed genes in the pigeon ovary. The protein–protein interaction network highlighted genes like HSD11B1, VEGFD, WNT6, SMAD6, and LGR5 as potential contributors to hierarchical follicle selection under RL. This research provides new insights into the molecular basis by which RL may promote hierarchical follicle selection and improve egg production in pigeons.

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Characterization of reproductive hormones and related gene expression in the hypothalamus and pituitary gland in the egg-laying interval in White King pigeon

Cited by 2 publications

References 36 publications

CircRNAs involved in the red light of effect on follicle selection in pigeons

CircRNAs involved in the red light of effect on follicle selection in pigeons

Histological Characteristics of Follicles, Reproductive Hormones and Transcriptomic Analysis of White King Pigeon Illuminated with Red Light

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