Document Detail


Androgen receptor (CAG)n polymorphism and androgen levels in women with systemic lupus erythematosus and healthy controls.
MedLine Citation:
PMID:  23388696     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Systemic lupus erythematosus (SLE) is an autoimmune disorder that affects mainly females. Therefore, interrelations between the reproductive and immune system have been assumed. Considering the complex influence of hormones and receptors, we aimed to investigate the influence of androgens and androgen receptor (AR) polymorphism in women with SLE. One hundred and sixteen patients and 44 healthy women were investigated. Testosterone, sex hormone-binding globulin (SHBG), dehydroepiandrosterone-sulphate (DHEAS) concentrations and AR (CAG)n polymorphism were determined. SLE patients had significantly lower levels of total and free testosterone and DHEAS in comparison with the controls. No differences in the CAG repeat length between the groups were established. Women with two alleles carrying more than 22 CAG repeats had significantly higher levels of SHBG (101.51 ± 61.81 vs. 69.22 ± 45.93 nmol/l, p = 0.015) and DHEAS (3.11 ± 2.65 vs. 2.11 ± 3.06 μmol/l, p = 0.007) and a tendency to higher testosterone concentrations (2.35 ± 2.10 vs. 1.71 ± 1.70 nmol/l, p = 0.056) in comparison with other women. The CAG repeat length in the relatively longer (CAG)n allele was inversely related to the Systemic Lupus International Collaborating Clinics/ACR index (r = -0.258, p = 0.009). In conclusion, the androgen receptor (CAG)n polymorphism is not related to the development of SLE, but it could modulate the severity of the lupus chronic damages as well as the androgen levels in women.
Authors:
Ralitsa Robeva; Dobromir Tanev; Silvia Andonova; Georgi Kirilov; Alexey Savov; Milena Stoycheva; Analia Tomova; Philip Kumanov; Rasho Rashkov; Zlatimir Kolarov
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-2-7
Journal Detail:
Title:  Rheumatology international     Volume:  -     ISSN:  1437-160X     ISO Abbreviation:  Rheumatol. Int.     Publication Date:  2013 Feb 
Date Detail:
Created Date:  2013-2-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8206885     Medline TA:  Rheumatol Int     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Clinical Center of Endocrinology and Gerontology, USBALE, Medical University, Faculty of Medicine, Sofia, 2, Zdrave Str., Sofia, 1431, Bulgaria, rali_robeva@yahoo.com.
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