Insulin resistance and enhanced protein glycation in men with prehypertension
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Viswanathan Sathiyapriya
, Hanumanthappa Nandeesha , Zachariah Bobby , Purushothaman Pavithran , Nambiar Selvaraj und Nadaradjan Rattina Dasse
Abstract
Background: Insulin resistance and hyperinsulinemia have been reported among patients with hypertension. However, little is known about insulin sensitivity in subjects with prehypertension. The aim of this study was to assess whether the metabolic characteristics of insulin resistance syndrome are present in prehypertensive subjects.
Methods: Plasma fasting glucose, lipid profile, glycated hemoglobin, fructosamine and insulin concentrations were evaluated in 35 prehypertensive subjects and in 30 healthy controls.
Results: Prehypertensive subjects had significantly higher levels of plasma insulin and triglycerides compared with normotensive subjects. The level of high-density lipoprotein cholesterol was significantly lower in prehypertensive subjects compared with controls. There was no significant difference in total cholesterol and low-density lipoprotein cholesterol levels. The levels of glycated hemoglobin and fructosamine were also significantly higher in prehypertensive subjects compared with controls. Plasma insulin levels were positively correlated with systolic and diastolic blood pressure in prehypertensive subjects. Similarly, plasma insulin was significantly positively correlated with triglyceride and negatively correlated with high-density lipoprotein cholesterol.
Conclusions: The present study indicates that prehypertensive non-diabetic subjects have higher insulin resistance and protein glycation compared to normotensive subjects, which may contribute to the pathogenesis of prehypertension.
Clin Chem Lab Med 2006;44:1457–61.
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©2006 by Walter de Gruyter Berlin New York
Artikel in diesem Heft
- Initiation and progression of atherosclerosis – enzymatic or oxidative modification of low-density lipoprotein?
- Blood transfusions in athletes. Old dogmas, new tricks
- Molecular detection of tyrosinase transcripts in peripheral blood from patients with malignant melanoma: correlation of PCR sensitivity threshold with clinical and pathologic disease characteristics
- Increase in and clearance of cell-free plasma DNA in hemodialysis quantified by real-time PCR
- Lipoprotein lipase gene polymorphism at the PvuII locus and serum lipid levels in Guangxi Hei Yi Zhuang and Han populations
- Interpretation of cardiac troponin T behaviour in size-exclusion chromatography
- Point-of-care C-reactive protein testing in febrile children in general practice
- Improvement in HPLC separation of porphyrin isomers and application to biochemical diagnosis of porphyrias
- Measurement of late-night salivary cortisol with an automated immunoassay system
- Combining markers of nephrotoxicity and hepatotoxicity for improved monitoring and detection of chronic alcohol abuse
- Stone or stricture as a cause of extrahepatic cholestasis – do liver function tests predict the diagnosis?
- Insulin resistance and enhanced protein glycation in men with prehypertension
- Prevalence-dependent decision limits for the early detection of type 2 diabetes mellitus in venous blood, venous plasma and capillary blood during glucose challenge
- Analytical performance and clinical utility of the INNOTEST® PHOSPHO-TAU(181P) assay for discrimination between Alzheimer's disease and dementia with Lewy bodies
- Variations in assay protocol for the Dako cystatin C method may change patient results by 50% without changing the results for controls
- Approved IFCC recommendation on reporting results for blood glucose: International Federation of Clinical Chemistry and Laboratory Medicine Scientific Division, Working Group on Selective Electrodes and Point-of-Care Testing (IFCC-SD-WG-SEPOCT)
- National survey on the pre-analytical variability in a representative cohort of Italian laboratories
- 10% CV concentration for the fourth generation Roche cardiac troponin T assay derived from Internal Quality Control data
- Biological variation of non-SI traceable biological quantities: example of proteins
- Effect of tibolone therapy on lipids and coagulation indices
- Acknowledgement
- Contents Volume 44, 2006
- Author Index
- Subject Index
Artikel in diesem Heft
- Initiation and progression of atherosclerosis – enzymatic or oxidative modification of low-density lipoprotein?
- Blood transfusions in athletes. Old dogmas, new tricks
- Molecular detection of tyrosinase transcripts in peripheral blood from patients with malignant melanoma: correlation of PCR sensitivity threshold with clinical and pathologic disease characteristics
- Increase in and clearance of cell-free plasma DNA in hemodialysis quantified by real-time PCR
- Lipoprotein lipase gene polymorphism at the PvuII locus and serum lipid levels in Guangxi Hei Yi Zhuang and Han populations
- Interpretation of cardiac troponin T behaviour in size-exclusion chromatography
- Point-of-care C-reactive protein testing in febrile children in general practice
- Improvement in HPLC separation of porphyrin isomers and application to biochemical diagnosis of porphyrias
- Measurement of late-night salivary cortisol with an automated immunoassay system
- Combining markers of nephrotoxicity and hepatotoxicity for improved monitoring and detection of chronic alcohol abuse
- Stone or stricture as a cause of extrahepatic cholestasis – do liver function tests predict the diagnosis?
- Insulin resistance and enhanced protein glycation in men with prehypertension
- Prevalence-dependent decision limits for the early detection of type 2 diabetes mellitus in venous blood, venous plasma and capillary blood during glucose challenge
- Analytical performance and clinical utility of the INNOTEST® PHOSPHO-TAU(181P) assay for discrimination between Alzheimer's disease and dementia with Lewy bodies
- Variations in assay protocol for the Dako cystatin C method may change patient results by 50% without changing the results for controls
- Approved IFCC recommendation on reporting results for blood glucose: International Federation of Clinical Chemistry and Laboratory Medicine Scientific Division, Working Group on Selective Electrodes and Point-of-Care Testing (IFCC-SD-WG-SEPOCT)
- National survey on the pre-analytical variability in a representative cohort of Italian laboratories
- 10% CV concentration for the fourth generation Roche cardiac troponin T assay derived from Internal Quality Control data
- Biological variation of non-SI traceable biological quantities: example of proteins
- Effect of tibolone therapy on lipids and coagulation indices
- Acknowledgement
- Contents Volume 44, 2006
- Author Index
- Subject Index