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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
11
pubmed:dateCreated
2003-10-21
pubmed:abstractText
The impact of polymorphisms in the genes coding for angiotensinogen (M235T), ACE (ID), and angiotensin II type 1 receptor (A(1166)-->C) on decline in GFR and doubling of s-creatinine or development of ESRD in patients with type 1 diabetes and diabetic nephropathy (DN) was tested. From 1985, all patients (n = 169) who had established diabetic nephropathy and were treated with angiotensin-converting enzyme inhibition (ACE-I) were identified consecutively at Steno Diabetes Center. Patients were followed for a median of 6 yr (range, 3 to 15 yr), with nine (range, three to 29) measurements of GFR ((51)Cr-EDTA). In a Cox proportional hazards model corrected for other risk factors, the D allele (ACE/ID) was associated with time to doubling of s-creatinine/ESRD (rate ratio, 1.81 per allele; 95% confidence interval, 1.09 to 3.03; P = 0.02). A new interaction hypothesis was generated demonstrating that the following variables were associated with accelerated decline in GFR: albuminuria (estimate, 2.12 ml/min per yr per 10-fold increase in albuminuria; P < 0.001), mean BP (estimate, 0.88 ml/min per yr per 10 mmHg; P = 0.02), hemoglobin A(1c) (estimate, 0.54 min/min per yr per 1%; P = 0.02), and number of M (M235T)/D (ID)/A (A(1166)-->C) alleles (estimate, 0.45 ml/min per yr per allele; P = 0.049). Number of M/D/A alleles also influenced time to doubling of s-creatinine or ESRD. In this study of patients with type 1 diabetes, the D allele of the ACE/ID polymorphism in addition to nongenetic risk factors independently accelerated progression of DN during ACE-I. Interaction between polymorphisms in the renin-angiotensin system also influenced the loss of kidney function. This new genetic interaction model needs to be confirmed in future studies.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
1046-6673
pubmed:author
pubmed:issnType
Print
pubmed:volume
14
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
2843-50
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed-meshheading:14569094-Adult, pubmed-meshheading:14569094-Angiotensin-Converting Enzyme Inhibitors, pubmed-meshheading:14569094-Angiotensinogen, pubmed-meshheading:14569094-Creatinine, pubmed-meshheading:14569094-Diabetes Mellitus, Type 1, pubmed-meshheading:14569094-Diabetic Nephropathies, pubmed-meshheading:14569094-Female, pubmed-meshheading:14569094-Follow-Up Studies, pubmed-meshheading:14569094-Glomerular Filtration Rate, pubmed-meshheading:14569094-Humans, pubmed-meshheading:14569094-Kidney Failure, Chronic, pubmed-meshheading:14569094-Male, pubmed-meshheading:14569094-Middle Aged, pubmed-meshheading:14569094-Peptidyl-Dipeptidase A, pubmed-meshheading:14569094-Polymorphism, Genetic, pubmed-meshheading:14569094-Receptor, Angiotensin, Type 1, pubmed-meshheading:14569094-Renin-Angiotensin System, pubmed-meshheading:14569094-Time Factors
pubmed:year
2003
pubmed:articleTitle
Genetic variation in the Renin-Angiotensin system and progression of diabetic nephropathy.
pubmed:affiliation
Steno Diabetes Center, Gentofte, Denmark. pkjacobsen@dadlnet.dk
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't