Research Article

Gene Profiling of Bone around Orthodontic Mini-Implants by RNA-Sequencing Analysis

Table 1

Main genes that were up- or downregulated based on the gene ontology (GO) analysis at week 1 compared with the levels of expression in the control.

Upregulated genesDownregulated genes
GO categoryNumbers of genes valueGO categoryNumbers of genes value

Cellular component
Basement membrane14<0.0001Apical plasma membrane15<0.0001
Extracellular matrix38<0.0001Glutamate-cysteine ligase complex2<0.0001
Extracellular region53<0.0001Hemoglobin complex2<0.0001
Extracellular space47<0.0001Intermediate filament12<0.0001
Proteinaceous extracellular matrix170.0001Keratin filament8<0.0001

Biological process
Cartilage morphogenesis3<0.0001Adhesion to symbiont2<0.0001
Collagen fibril organization9<0.0001Cellular aldehyde metabolic process3<0.0001
DNA replication13<0.0001Cilium movement40.0003
DNA replication initiation5<0.0001Desmosome organization2<0.0001
DNA unwinding involved in DNA replication4<0.0001Fucose metabolic process2<0.0001
Extracellular fibril organization30.0003Glutathione metabolic process9<0.0001
Extracellular matrix organization110.0003Male sex differentiation2<0.0001
Regulation of cell growth7<0.0001Neutrophil aggregation2<0.0001
Oxidation-reduction process49<0.0001
Positive regulation of cation channel activity2<0.0001
Protein homotetramerization8<0.0001
Regulation of cell death30.0003
Response to metal ion2<0.0001

Molecular function
Calcium ion binding420.0002Aldehyde dehydrogenase (NAD) activity3<0.0001
DNA helicase activity6<0.0001Aldehyde dehydrogenase [NAD(P)+] activity2<0.0001
Extracellular matrix binding7<0.0001Alpha-L-fucosidase activity2<0.0001
Extracellular matrix structural constituent7<0.0001Flavin adenine dinucleotide binding12<0.0001
Heparin binding11<0.0001Glutamate-cysteine ligase activity2<0.0001
Insulin-like growth factor binding7<0.0001Oxidoreductase activity44<0.0001
Platelet-derived growth factor binding5<0.0001Oxidoreductase activity, acting on CH-OH group of donors5<0.0001
Oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen50.0003
Structural molecule activity160.0001
Superoxide dismutase activity30.0003
UDP-N-acetylmuramate dehydrogenase activity4<0.0001

The values were compared according to fold change.