Correlation of Serum Cystatin C with Atherogenic indices in obese individuals

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Correlation of Serum Cystatin C with Atherogenic indices in obese individuals

Journal Title: Indian Journal of Pharmaceutical and Biological Research - Year 2015, Vol 3, Issue 2

Abstract

Introduction: Human obesity is strongly associated with cardiovascular disease. Cystatin C is a naturally occurring protease inhibitor and marker of cardiovascular disease. The atherogenic indices are used as an index for cardiac risk stratification. Objectives: To estimate the serum levels of Cystatin C in individuals with normal BMI, and obese, aged between 20-39 Yrs and to compare the levels of Cystatin C among these individuals and to correlate the levels of serum Cystatin C with atherogenic index of plasma and other indices. Methodology: The study population was taken from healthy volunteers of Mysore city, aged between 20-39 years of either sex. The study population was divided into 2 groups based on BMI. Each group contains sample size of 60. Fasting serum sample was analyzed for Total Cholesterol, TG, LDL-Cholesterol & HDL cholesterol by enzymatic method and serum Cystatin-C by immune-turbidimetric method using auto-analyser. Statistical Analysis: Analysis of Variance [ANOVA] was used to compare the serum levels of Cystatin C in the two groups. To correlate the serum Cystatin C with atherogenic indices for predicting the cardiovascular risk factors, Pearsonâ€™s correlation co-efficient was worked out. Results: The mean serum cystatin C levels in normal BMI group are 0.7Â±0.03 mg/L, and in Obese group 1.15Â±0.09 mg/(p value<0.001).In the study serum Cystatin C showed a positive correlation with serum triglycerides (r=0.7), Atherogenic index of plasma(AIP ) (r=0.80), TCHOL: HDL (Castelliâ€™s Risk Index I) (r=0.71), HDL: LDL(Castelliâ€™s Risk Index II) (r=0.70) respectively and Atherogenic coefficient (AC) {(NonHDLc)/HDLc}( r=0.60) and negative correlation with serum HDL(r=-0.52) Conclusion: Several indices had been derived from lipid profiles to establish an index for predicting the risk of having coronary event. The atherogenic index of plasma was strongly correlated with the Cystatin C, hence AIP can be used as better index for predicting the preclinical cardiovascular disease because of cost effectiveness in estimation of Cystatin C.

Authors and Affiliations

K. Deepa| Department of Biochemistry, Mysore Medical College& Research Institute, Mysore, India, Sudhir| Department of Community Medicine, Mandya Institute of Medical Sciences, Mandya, India, Shubha Jayaram| Department of Biochemistry, Mysore Medical College& Research Institute, Mysore, India, S Meera| Department of Biochemistry, Mysore Medical College& Research Institute, Mysore, India, M. H Rahul| JSS Medical College, Mysore, India

Keywords

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