ArticleAnimal bioscience2025
Morphological and transcriptional insights into the role of histone phosphorylation-related genes in early development of the chicken duodenum.
Article in Animal bioscience, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveThis study aimed to investigate the morphological transitions and the role of histone phosphorylation-related genes during the first week of duodenal development in broilers.
methodsAt hatch (D0) and 7 days post-hatch (D7), five broiler chickens were humanely euthanized and duodenal samples were collected to assess the histomorphology, specifically the duodenal villus height (VH), crypt depth (CD), and the VH/CD ratio. The gene expression data of duodenum of broilers at D0 and D7 obtained from the GEO database. Differentially expressed genes (DEG) analyses were conducted using GEO2R. In addition, histone phosphorylation-related genes were obtained from the GeneCards database. Function enrichment for DEGs was conducted using the DAVID and PANTHER databases. Hub genes were identified using the CytoHubba plugin in Cytoscape, employing four different methods: MCON, DNMC, EPC, and MNC. Statistical analyses were conducted using IBM SPSS Statistics.
resultsWe identified striking developmental transformations: VH surged by 63.02% (p<0.05) and VH/CD ratio doubled (100.68% increase, p<0.05), accompanied by 17.81% CD reduction (p<0.05). Transcriptomic profiling revealed 449 histone phosphorylationrelated DEGs, comprising 163 up-regulated and 286 down-regulated candidates. Functional enrichment analysis suggested that these genes participated in phosphorylation, intracellular protein phosphorylation, protein dephosphorylation, immune response, as well as MAPK, PPAR, ErbB, and adipocytokine pathways. Importantly, we identified eight hub genes orchestrating duodenal maturation, including LGALS3, ITGB2, IRF7, SOCS3, and CSF1R, KIF23, SMC2, and DLGAP5.
conclusionThese findings establish a novel paradigm wherein histone phosphorylation coordinates intestinal morphogenesis, providing mechanistic insights for optimizing poultry intestinal health and nutritional strategies.
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