Document Detail


Measurement of oxidized low-density lipoprotein and superoxide dismutase activity in patients with hypertension.
MedLine Citation:
PMID:  19249879     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Arterial hypertension is an important risk factor for coronary artery disease and cardiovascular-induced morbidity and mortality. It can cause end-organ damages such as cerebrovascular diseases, renal failure, and congestive heart failure. On the other hand, because of elevated blood pressure and rapid blood flow, there is an increase in oxidation and peroxidation reactions. The aim of this study was to evaluate the level of oxidized low-density lipoprotein and superoxide dismutase activity in sera of hypertensive patients.
METHODS: In this case-control study, 70 hypertensive patients without any other important diseases such as congestive heart failure, cardiomyopathy, liver disease, diabetes mellitus, renal disease, or thyroid disease were compared with 70 age-and gender-matched controls. The participants' age range was from 30 to 75 years. Measurement of oxidized low-density lipoprotein in serum was performed by enzyme-linked immunosorbent assay. The activity of superoxide dismutase in serum was measured by enzymatic colorimetry method.
RESULTS: The patients' mean age+/-SD was 52.2+/-14 years. The controls' mean age+/-SD was 45+/-13 years. The level of superoxide dismutase activity in the patients' group was 100+/-27 U/mL, and in the controls' group was 105+/-11 U/mL. The level of oxidized low-density lipoprotein in the patients' group was 14+/-4 mu/L, and in controls it was 7.7+/-3 mu/L.
CONCLUSION: Data of this study demonstrated an elevation of oxidized low -density lipoprotein in hypertensive group that may be the result of oxidation processes. Superoxide dismutase activity was decreased in hypertensive patients, which can be the result of elevated oxidation reactions.
Authors:
Mohammad Assadpoor-Piranfar; Amir-Hamzeh Pordal; Mohammad-Reza Beyranvand
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Archives of Iranian medicine     Volume:  12     ISSN:  1029-2977     ISO Abbreviation:  Arch Iran Med     Publication Date:  2009 Mar 
Date Detail:
Created Date:  2009-03-02     Completed Date:  2009-07-07     Revised Date:  2014-07-30    
Medline Journal Info:
Nlm Unique ID:  100889644     Medline TA:  Arch Iran Med     Country:  Iran    
Other Details:
Languages:  eng     Pagination:  116-20     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Case-Control Studies
Female
Humans
Hypertension / blood*,  enzymology*
Lipoproteins, LDL / blood*
Male
Middle Aged
Superoxide Dismutase / blood*
Chemical
Reg. No./Substance:
0/Lipoproteins, LDL; 0/oxidized low density lipoprotein; EC 1.15.1.1/Superoxide Dismutase

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


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