Abstract
The effect of sodium pentosan polysulphate (SPP), was studied in relation to certain blood and erythrocyte membrane parameters in calcium oxalate stone forming rats. Calcium oxalate stones were induced by feeding the rats with 3% w/w sodium glycollate. Fibrinogen, haemoglobin and serum protein levels did not show any variation with the treatment procedures. Serum mucoprotein and protein bound carbohydrates-hexosamine and sialic acid-were increased significantly in the rats receiving calculogenic (CPD) and attained nearly normal levels with SPP treatment. In contrast, hexuronic acid level was decreased in the CPD group and SPP administration increased the level of hexuronic acid in the treated groups. Erythrocyte membrane Ca2+-ATPase activity was increased in stone forming rats and SPP administration brought a reduction in the above enzyme activity. Changes in Membrane Mg2+- and Na+, K+-ATPases were minimal. Membrane cholesterol and phospholipids were also raised significantly in stone formers, SPP treatment reduced the membrane cholesterol levels in both controls and stone formers. Phospholipids were also decreased moderately. The above observations suggest that SPP is safe for administration in urolithiatic condition without adverse effects.
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