Correlation of serum paraoxonase activities in known cases of 130 elderly hypertensive South Asian aged 56-64 years - a hospital based study

Journal Title: Asian Pacific Journal of Tropical Disease - Year 2014, Vol 4, Issue 0

Abstract

Objective: To evaluate paraoxonase activity, antioxidant status and lipid peroxidation in hypertensive participants and to address the hypothesis that oxidative modifications of lipids due to hypertension can cause changes in serum paraoxonase activities. Methods: The serum paraoxonase activities, antioxidants and lipid peroxidation were determined in 130 hypertensive participants and 130 age-sexes matched normotensive healthy volunteers served as control. Serum paraoxonase activities were measured by enzymatic kit. The glutathione peroxidase, superoxide dismutase and catalase activity were determined by standard methods. Malondialdehyde was measured by thiobarbituric acid reaction. Conjugated diene level was measured by Recknagel and Glende method. Serum uric acid, total bilirubin, serum albumin, serum ascorbic acid and lipid profile were analyzed by standard methods. Results: Total cholesterol, triglycerides, low-density lipoprotein cholesterol were significantly higher and high-density lipoprotein cholesterol were significantly lower in hypertensive patients when compared to normotensive healthy controls. The superoxide dismutase, glutathione peroxidase and catalase were significantly lower in hypertensive when compared with normotensive. Similar findings were observed in the levels of albumin, uric acid, bilirubin and ascorbic acid when hypertensives were compared with normotensive. The oxidative stress indicators namely malondialdehyde and conjugated diene were significantly higher and paraoxonase activity were significantly lower in hypertensive. Conclusions: Our study concludes that paraoxonase activities are bound to alter in hypertension which is caused due to interplay of several confounding factors namely oxidative stress, increased oxidized low-density lipoprotein and depletion of antioxidants.

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  • EP ID EP230470
  • DOI 10.1016/S2222-1808(14)60465-5
  • Views 22
  • Downloads 0

How To Cite

(2014). Correlation of serum paraoxonase activities in known cases of 130 elderly hypertensive South Asian aged 56-64 years - a hospital based study. Asian Pacific Journal of Tropical Disease, 4(0), 330-335. https://europub.co.uk/articles/-A-230470