Abstract：
:We investigated serum levels of type III procollagen aminopeptide (CIII), 7S type IV collagen (CIV), and tissue inhibitor of metalloproteinase (TIMP) in 33 patients with type II diabetes mellitus (DM) without uremia (serum creatinine less than 1.5 mg/dl). The patients were divided into three groups based on measurement of the urinary albumin excretion (UAE) index obtained during two morning outpatient clinic visits: non-proteinuric patients (n = 11), UAE index less than 2.26 mg/mmol Cr; patients with microalbuminuria (n = 15), UAE index of 2.26 - 22.6 mg/mmol Cr; and patients with proteinuria (n = 7), UAE index more than 22.6 mg/mmol Cr. Serum levels of CIV and TIMP in patients with microalbuminuria and proteinuria were significantly higher than non-proteinuric patients (ANOVA, p <0.05). Serum levels of CIII in patients with proteinuria were significantly higher than those in non-proteinuric patients (p < 0.05). There was a significant positive correlation between CIV and TIMP (r = 0.502, p < 0.003), but no correlation was observed between CIII and TIMP. These results demonstrated that serum CIII and CIV increases as diabetic nephropathy progresses in terms of increasing proteinuria in type II DM patients, suggesting feasibility and usefulness of measuring serum CIV and CIII in assessing diabetic nephropathy. The increase in TIMP may be, at least in part, a possible cause for the increase in serum CIV in type II DM patients.
journal_name
Life Scijournal_title
Life sciencesauthors
Ishimura E,Nishizawa Y,Shoji S,Mori Hdoi
10.1016/0024-3205(96)00099-9subject
Has Abstractpub_date
1996-01-01 00:00:00pages
1331-7issue
16eissn
0024-3205issn
1879-0631pii
0024320596000999journal_volume
58pub_type
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