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Article Type

Original Study

Abstract

Background The imbalance between matrix metalloproteinase-9 (MMP-9) and tissue inhibitor of metalloproteinase-1 (TIMP-1) may play an important role in impaired healing of diabetic foot ulcer. Aim of the work This study was designed to investigate the association of MMP-9 and TIMP-1 levels in diabetic foot ulcer among Egyptian patients with type 2 diabetes mellitus attending the outpatient clinic of National institute of diabetes and endocrinology. Patients and methods This study was conducted on a total number of 90 participants comprising three groups: group I included 35 type 2 diabetic patients without foot ulcer. Group II included 35 type 2 diabetic patients having various degrees of foot ulcer complications. Group III included 20 apparently healthy participants (as controls). In addition to the routine clinical and laboratory investigations, MMP-9 and TIMP-1 were measured. All patients were randomly taken from the outpatient clinic of National institute of diabetes and endocrinology. Results The study results showed that the higher levels of plasma MMP-9 and the lower levels of TIMP-1 were associated with patients with diabetic foot ulcer. Conclusion The measurement of plasma MMP-9 and TIMP-1 in type 2 diabetic patients may help us to know the patients at most risk to develop diabetic foot ulcer.

Keywords

Matrix metalloproteinase-9, tissue inhibitor of metalloproteinase-1, type 2diabetes mellitus

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