Investigation of Chronic Low-Dose Ionizing Radiation Effect on Gene Expression Profile of Human HUVECs Cells
Understanding molecular mechanism of chronic low-dose ionizing radiation (LDIR) effects on human body is subject of many researches. Several aspects of cell function such as cell proliferation, apoptosis, inflammation, and tumorigenesis are affected by LDIR. Detection of the main biological process that is targeted by LIDR via network analysis is the main aim of this study.
GSE66720 including gene expression profiles of human umbilical vein endothelial cells (HUVECs) included irradiated and control cells is downloaded from gene expression omnibus (GEO). The significant differentially Expressed genes (DEGs) are determined and analyzed via protein-protein interaction (PPI) network analysis to find the central individuals. The main cell function which was related to the central nodes was introduced.
Among 64 queried DEGs 48 genes were recognized by STRING database. Five hub nodes including; C-X-C motif chemokine ligand 8 (CXCL8), intercellular adhesion molecule 1 (ICAM1), Melanoma growth-stimulatory activity/growth-regulated protein α (CXCL1), vascular cell adhesion molecule 1 (VCAM-1), and nerve growth factor (NGF) were introduced as hub nodes.
Findings indicates that inflammation is the main initial target of LDIR in cellular level which is associated with alteration in the other essential functions of the irradiated cells.
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