Redox status and lipid peroxidation in alcoholic hypertensive patients and alcoholic hypertensive patients with diabetes.
BACKGROUND
Free radical-mediated oxidative stress has been implicated in the progression of alcoholic hypertension and diabetic hypertension.


METHODS
The lipid peroxides and antioxidant status of plasma and erythrocytes were investigated in alcoholic hypertensive patients and alcoholic hypertensive patients with diabetes and compared with normal subjects.


RESULTS
A significant increase is observed in the levels of glucose, lipid peroxidation (P<0.05) in the alcoholic hypertensive patients with/without diabetes and the increase was significantly higher in alcoholic hypertensive patients with diabetes. The activities of erythrocyte antioxidant enzymes such as superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx) and reduced glutathione (GSH) and plasma concentrations of GSH, vitamin C, vitamin E and beta-carotene decreased significantly and the level of ceruloplasmin increased in alcoholic hypertensive patients with/without diabetes when compared to normal subjects. Plasma GSH and vitamin E levels exhibited a further decrease in alcoholic hypertensive patients with diabetes.


CONCLUSIONS
An enhanced lipid peroxidation is observed in alcoholic hypertensive patients with diabetes and a more pronounced decrease in the levels of plasma GSH and vitamin E among antioxidants.
Veerappan
R M
RM
Department of Biochemistry, Faculty of Science, Annamalai University, Annamalainagar-608 002, Tamilnadu, India.
Senthil
S
S
Rao
M Ramakrishna
MR
Ravikumar
R
R
Pugalendi
K V
KV
D000328:Adult; D000437:Alcoholism / Q000097:blood / Q000150:complications* / Q000378:metabolism*; D000975:Antioxidants / Q000378:metabolism; D001786:Blood Glucose / Q000378:metabolism; D001794:Blood Pressure / Q000502:physiology; D003924:Diabetes Mellitus, Type 2 / Q000097:blood / Q000150:complications* / Q000378:metabolism*; D004912:Erythrocytes / Q000201:enzymology / Q000378:metabolism; D006801:Humans; D006973:Hypertension / Q000097:blood / Q000150:complications* / Q000378:metabolism*; D015227:Lipid Peroxidation; D008054:Lipid Peroxides / Q000378:metabolism; D008875:Middle Aged; D010084:Oxidation-Reduction
D000975:Antioxidants; D001786:Blood Glucose; D008054:Lipid Peroxides