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Indexed/Abstracted in: Chemical Abstracts, CINAHL, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,111
Liquan YIN 1, Fei CAI 1, Dong WANG 2, Jiao GE 3
1 Rehabilitation Medicine Department, China-Japan Union Hospital of Jilin University, Changchun, China; 2 Emergency Department, China-Japan Union Hospital of Jilin University, Changchun, China; 3 Digestive Department, Jilin Province People′s Hospital, Changchun, China
BACKGROUND: This study aimed to explore the physiological functions that were significantly affected by the exercise training.
METHODS: Microarray dataset of GSE53598 was downloaded and preprocessed to identify the differentially expressed genes (DEGs) between pre- and post-exercise muscle biopsies. Then hierarchical clustering, protein-protein interaction (PPI) network construction and functional enrichment analysis were conducted. Finally, the significant physiological functions were identified using logistic regression algorithm.
RESULTS: Total 420 up- and 420 down-regulated DEGs were identified. DEGs including E2F transcription factor 6, hypocretin (Orexin) neuropeptide precursor, caveolin 1, platelet-derived growth factor beta polypeptide, and transforming growth factor, beta 1 had higher degree in the PPI network. Functions related to blood vessel development, regulation of cell migration, negative regulation of gene expression, and negative regulation of metabolic process changed significantly after exercise.
CONCLUSION: Functions related to blood vessel development, regulation of cell migration, negative regulation of gene expression and negative regulation of metabolic process may be closely associated with exercising.