Document Detail


Factors influencing reticulophagocytic function in insulin-treated diabetes.
MedLine Citation:
PMID:  6381177     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The splenic component of reticulophagocytic function (RPF) was examined in 29 insulin-treated diabetic subjects (13 type I and 16 type II) by measurement of clearance of altered, radiolabeled, autologous erythrocytes. Double-isotope studies were performed with cells altered by: (1) preincubation with N-ethylmaleimide (NEM) and (2) coating with IgG antibody to the Rhesus (Rh) D antigen, labeled with 99mTc and 51Cr, respectively. HLA typing for the A, B, and DR loci was performed in those patients showing a defect in the clearance of IgG-coated cells. Values for half-life (t1/2) were correlated with the incidence of diabetic complications, levels of HbA1, and circulating immune complexes (CIC). Two patterns of abnormal clearance were observed: first, an isolated defect of IgG-coated cell clearance in 7 patients (3 had the HLA B8/DR3 haplotype) and second, abnormal removal of both types of cell in a further 7 patients (3 had B8/DR3). There was no correlation between half-lives as measured by the two methods, although exclusion of the patients with a defect of IgG-coated cell clearance alone yielded a highly significant correlation for the remaining 15 Rh-positive patients (P less than 0.01). Abnormalities of IgG-coated cell clearance were more frequent in patients with HbA1 greater than 9% (P less than 0.02), while t1/2 of NEM-altered cells was significantly greater in patients with CIC (P less than 0.05). There was no correlation between t1/2 and the incidence of peripheral complications.(ABSTRACT TRUNCATED AT 250 WORDS)
Authors:
S Lawrence; J A Charlesworth; B A Pussell; L V Campbell; M A Kotowicz
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Diabetes     Volume:  33     ISSN:  0012-1797     ISO Abbreviation:  Diabetes     Publication Date:  1984 Sep 
Date Detail:
Created Date:  1984-10-19     Completed Date:  1984-10-19     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0372763     Medline TA:  Diabetes     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  813-8     Citation Subset:  AIM; IM    
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Aged
Animals
Antigen-Antibody Complex / analysis*
Chromium Radioisotopes / diagnostic use
Complement System Proteins / analysis*
Diabetes Mellitus / drug therapy,  immunology*,  physiopathology
Diabetes Mellitus, Type 1 / drug therapy,  immunology
Diabetes Mellitus, Type 2 / drug therapy,  immunology
Diabetic Nephropathies / immunology
Diabetic Retinopathy / immunology
Erythrocytes
Female
HLA Antigens / analysis
Half-Life
Humans
Immunoglobulin G / analysis
Insulin / therapeutic use*
Macrophages / immunology*
Male
Middle Aged
Rabbits
Reticulocytes / immunology*
Spleen / blood supply
Technetium / diagnostic use
Chemical
Reg. No./Substance:
0/Antigen-Antibody Complex; 0/Chromium Radioisotopes; 0/HLA Antigens; 0/Immunoglobulin G; 11061-68-0/Insulin; 7440-26-8/Technetium; 9007-36-7/Complement System Proteins

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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