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This study aims to identify key genes by analyzing gene expression changes induced by prolonged sleep deprivation (SD) and to explore their potential relationship with immune regulation and neurobehavioral disorders.
Microarray data of SD at different time points were obtained to screen differentially expressed genes (DEGs). The functions of DEGs and the biological pathways involved were explored. Additionally, significant DEGs were screened as key genes for SD. Finally, immune scores and immune cell scores were calculated. The relationships between key genes, immune scores, and immune-related pathways were explored.
The relevant DEGs were identified, including USP32P1, TREML1, PF4V1, GPR146, DEFA1B, and CLEC1B. Among these, CLEC1B, GPR146, PF4V1, and TREML1 were upregulated in SD samples, while DEFA1B and USP32P1 were downregulated. These key genes were involved in the biological processes, including DNA repair, KRAS signaling, and the PI3K-AKT signaling pathway. Furthermore, PF4V1, GPR146, TREML1, and CLEC1B exhibited a significant negative correlation with immune scores and were closely associated with various immune regulatory pathways, like antigen processing and presentation, B cell receptor signaling, and T cell receptor signaling pathways.
This study, based on microarray data, investigated the dynamic changes in gene expression induced by SD and their underlying mechanisms. Six key genes with differential expression levels and distinct enriched biological processes were identified.
The altered expression of 6 identified genes induced by SD and their underlying molecular mechanisms may provide a foundation for the early diagnosis and personalized treatment of SD-related diseases.