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11β-Hydroxysteroid dehydrogenase type 2 in hypertension: comparison of phenotype and genotype analysis.
MedLine Citation:
PMID:  23303402     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
11β-Hydroxysteroid dehydrogenase type 2 (11β-HSD2) catalyzes the inactivation of cortisol (F) to cortisone (E) in aldosterone target tissues, thereby protects mineralocorticoid receptor from F. Failure of 11β-HSD2 function is the basis of apparent mineralocorticoid excess, and its mild disturbances are suggested to lead to hypertension. The aim of the study was to analyze the 11β-HSD2 activity in hypertensives and healthy volunteers. Glucocorticoids (GCs) profile was estimated to verify whether the disorders of GCs balance may be involved in essential hypertension etiology. Exons and short introns of HSD11B2 were sequenced to evaluate existing mutations and their potential implications in the disease. The identified polymorphisms were assessed in case-control study to determine their relevance to hypertension. No significant differences in values of plasma F/E and UFF/UFE (urinary free F to free E) were observed between hypertensives and controls. The value of (THF+allo-THF)/(THE+allo-THE) (urinary tetrahydro-metabolites of F to tetrahydro-metabolites of E) in hypertensives was higher than in normotensives. Logistic regression demonstrated that the increase of one unit of (THF+allo-THF)/(THE+allo-THE) value increases the risk of hypertension over 11-fold. Genotyping indicated no hypertension related mutations in the coding region and short introns of HSD11B2.Journal of Human Hypertension advance online publication, 10 January 2013; doi:10.1038/jhh.2012.67.
Authors:
K Kosicka; M Cymerys; A Majchrzak-Celińska; M Chuchracki; F K Główka
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-10
Journal Detail:
Title:  Journal of human hypertension     Volume:  -     ISSN:  1476-5527     ISO Abbreviation:  J Hum Hypertens     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8811625     Medline TA:  J Hum Hypertens     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Physical Pharmacy and Pharmacokinetics, Poznan University of Medical Sciences, Poznan, Poland.
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