Study of lipid peroxide and lipid profile in diabetes mellitus
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The study was designed to find out the correlation between lipid peroxidation, lipoprotein levels to severity and complication of diabetes mellitus. Degree of lipid peroxidation was measured in terms of malondialdehyde (MDA) along with lipid profile and blood glucose in diabetes mellitus. It is categorised into insulin dependent diabetes mellitus (IDDM), non insulin dependent diabetes mellitus (NIDDM) and diabetes mellitus(DM) with complication.
Total 112 known diabetic patients and 52 non-diabetic controls were studied. These patients were grouped as per the concentration of fasting blood glucose level i.e. controlled, poorly controlled, and uncontrolled group. There are significant increase in the lipid peroxide (MDA) and lipid profile except HDL cholesterol which is decreased, has been found in all groups as compared to controls In NIDDM group lipid peroxidation was markedly increased than IDDM group and it was higher in DM with complications. Other finding observed was that the level of lipid peroxide increased as per the increase in concentration of blood glucose. The increase lipid peroxidation in the hyperglycemic condition may be explained, as the superoxide dismutase enzyme which is antioxidant becomes inactive due the formation of superoxide radical within the cell. Maximum lipid peroxidation leads to the damage of the tissue and organs which results into complication in diabetic patients. High levels of total cholesterol appear due to increased cholesterol synthesis. The triglyceride levels changes according to the glycemic, control. The increase may be due to overproduction of VLDL-TG.
It is concluded that good metabolic control of hyperglycemia will prevent in alteration in peroxidation and the lipid metabolism, which may help in good prognosis and preventing manifestation of vascular and secondary complication in diabetes mellitus.
Key wordsMalondialdehyde Lipid Peroxide Diabetes Mellitus
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