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Proteomic Analysis Identifies Potential Markers for Chicken Primary Follicle Development.
Armughan Ahmed Wadood1, Jingyuan Wang1, Liping Pu1
1State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Animal Science and Technology, Guangxi University, Nanning 530000, China.
Animals : an Open Access Journal From MDPI
|April 30, 2021
Summary
This study used proteomics to identify key proteins in chicken primary follicle development, revealing potential markers like Anxa2, Pdia3, and Capzb to improve egg production efficiency.
Area of Science:
- Animal Science
- Proteomics
- Reproductive Biology
Background:
- Chicken follicle development is crucial for egg production efficiency.
- Understanding follicular development phases is essential for enhancing egg-laying.
- Proteomic insights into early follicle stages are limited.
Purpose of the Study:
- To investigate the proteome dynamics during chicken primary follicle development.
- To identify differentially expressed proteins (DEPs) involved in early follicular growth.
- To discover potential protein markers for improving chicken egg productivity.
Main Methods:
- Tandem mass tag (TMT) based proteomic analysis was employed.
- Primary follicles were categorized into small (81-150 μm) and developed (300-500 μm) stages.
- Differential expression analysis, Gene Ontology (GO), and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analyses were performed.
Main Results:
- A total of 70 differentially expressed proteins (DEPs) were identified (38 upregulated, 32 downregulated).
- DEPs were significantly associated with cellular protein localization and nucleoside phosphate binding.
- Involved pathways included glycolysis, pyruvate metabolism, and carbohydrate metabolism.
Conclusions:
- Proteomic analysis provides novel insights into primary follicle development in chickens.
- Identified proteins like Anxa2, Pdia3, and Capzb may serve as potential markers.
- This research can contribute to strategies for enhancing chicken egg productivity.

