PMID: 8595707Dec 1, 1995Paper

Estimation of cholesterol sulphate in blood plasma and in erythrocyte membranes from individuals with Down's syndrome or diabetes mellitus type I

Clinical Biochemistry
M PrzybylskaR M Epand

Abstract

Plasma and erythrocyte membrane cholesterol sulphate (CS) were measured in patients suffering from diabetes and Down's syndrome. The procedure for separation and determination of CS comprised HPTLC (high-performance thin-layer chromatography) and densitometry. The mean plasma and RBC membranes CS concentrations (+/- SD) of the control group (n = 16) was 188 +/- 47 micrograms/dL and 343 +/- 57 micrograms/10(12) RBC, respectively. In 15 patients with diabetes and 12 Down's syndrome patients substantially higher CS levels were found (diabetes: plasma-348 +/- 60 micrograms/dL; RBC membranes-646 +/- 113 micrograms/10(12) RBC; Down's syndrome: plasma-245 +/- 54 micrograms/dL; RBC membranes 427 +/- 74 micrograms/10(12) RBC). Analysis of variance and multiple comparison (Newman-Keuls test) show statistically significant differences between all samples both for erythrocytes, F(2.41) = 52.24, p < 0.05, and plasma, F(2.41) = 34.92, p < 0.05. It is postulated that differences in CS levels may contribute to changes of erythrocyte properties in these pathological states.

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Citations

Jun 12, 1998·Clinical Biochemistry·M PrzybylskaM Bryszewska
Aug 8, 2020·British Journal of Pharmacology·Lorena Diaz SanchezIrundika H K Dias
Jul 15, 1999·Biochemical and Biophysical Research Communications·L DiomedeU Nicolini

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