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Association between urinary N-acetyl-beta-glucosaminidase and its isoenzyme patterns and microangiopathy in type 1 diabetes mellitus

Agardh, Carl-David LU ; Agardh, Elisabet LU ; Isaksson, Anders LU and Hultberg, Björn LU (1991) In Clinical Chemistry 37(10 Pt 1). p.1696-1699
Abstract
Urinary N-acetyl-beta-glucosaminidase (NAG) and its isoenzymes (NAG A and NAG B) in samples from 87 type 1 diabetic patients and 40 apparently healthy reference subjects were studied with enzyme immunoassays. The diabetic patients had higher concentrations of urinary NAG than did the control subjects (P less than 0.01), but the isoenzyme pattern did not differ. There was a positive correlation between metabolic control (Hb A1c concentrations) and total NAG (P less than 0.01), NAG A (P less than 0.01), and NAG B (P less than 0.001). The diabetic patients were divided into three groups, depending on the degree of retinopathy. Subjects with severe forms of retinopathy did not have increased concentrations of urinary NAG unless they had... (More)
Urinary N-acetyl-beta-glucosaminidase (NAG) and its isoenzymes (NAG A and NAG B) in samples from 87 type 1 diabetic patients and 40 apparently healthy reference subjects were studied with enzyme immunoassays. The diabetic patients had higher concentrations of urinary NAG than did the control subjects (P less than 0.01), but the isoenzyme pattern did not differ. There was a positive correlation between metabolic control (Hb A1c concentrations) and total NAG (P less than 0.01), NAG A (P less than 0.01), and NAG B (P less than 0.001). The diabetic patients were divided into three groups, depending on the degree of retinopathy. Subjects with severe forms of retinopathy did not have increased concentrations of urinary NAG unless they had concomitant nephropathy. The isoenzyme pattern was similar irrespective of degree of retinopathy or nephropathy. The results indicate that concentrations of urinary NAG are positively correlated to the degree of nephropathy, whereas there is no such correlation to the degree of retinopathy. (Less)
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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Clinical Chemistry
volume
37
issue
10 Pt 1
pages
1696 - 1699
publisher
American Association for Clinical Chemistry
external identifiers
  • pmid:1914168
  • scopus:0026086657
ISSN
0009-9147
language
English
LU publication?
yes
additional info
The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Unit on Vascular Diabetic Complications (013241510), Division of Clinical Chemistry and Pharmacology (013250300)
id
f932048f-7944-4bfb-931b-d1ca238cebad (old id 1105874)
alternative location
http://www.clinchem.org/cgi/reprint/37/10/1696
date added to LUP
2016-04-01 12:23:18
date last changed
2021-01-03 04:32:39
@article{f932048f-7944-4bfb-931b-d1ca238cebad,
  abstract     = {{Urinary N-acetyl-beta-glucosaminidase (NAG) and its isoenzymes (NAG A and NAG B) in samples from 87 type 1 diabetic patients and 40 apparently healthy reference subjects were studied with enzyme immunoassays. The diabetic patients had higher concentrations of urinary NAG than did the control subjects (P less than 0.01), but the isoenzyme pattern did not differ. There was a positive correlation between metabolic control (Hb A1c concentrations) and total NAG (P less than 0.01), NAG A (P less than 0.01), and NAG B (P less than 0.001). The diabetic patients were divided into three groups, depending on the degree of retinopathy. Subjects with severe forms of retinopathy did not have increased concentrations of urinary NAG unless they had concomitant nephropathy. The isoenzyme pattern was similar irrespective of degree of retinopathy or nephropathy. The results indicate that concentrations of urinary NAG are positively correlated to the degree of nephropathy, whereas there is no such correlation to the degree of retinopathy.}},
  author       = {{Agardh, Carl-David and Agardh, Elisabet and Isaksson, Anders and Hultberg, Björn}},
  issn         = {{0009-9147}},
  language     = {{eng}},
  number       = {{10 Pt 1}},
  pages        = {{1696--1699}},
  publisher    = {{American Association for Clinical Chemistry}},
  series       = {{Clinical Chemistry}},
  title        = {{Association between urinary N-acetyl-beta-glucosaminidase and its isoenzyme patterns and microangiopathy in type 1 diabetes mellitus}},
  url          = {{http://www.clinchem.org/cgi/reprint/37/10/1696}},
  volume       = {{37}},
  year         = {{1991}},
}