gelatinase B human 10 Article 8 Humans 8 metabolism 7 Matrix Metalloproteinase 9 6 controlled study 6 down regulation 5 extracellular matrix 4 female 4 nonhuman 4 Animals 3 MMP9 protein, human 3 animal 3 chemistry 3 genetics 3 immunoglobulin enhancer binding protein 3 matrix metalloproteinase 3 priority journal 3 protein expression 3 unclassified drug 3 upregulation 3 Case-Control Studies 2 Chronic Periodontitis 2 Diabetes Mellitus, Type 2 2 Female 2 Matrix Metalloproteinase 8 2 MicroRNAs 2 Periodontal Attachment Loss 2 RNA sequencing 2