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Ann Neurol. 2000 Feb;47(2):260-4.

Vitamin E deficiency due to chylomicron retention disease in Marinesco-Sjögren syndrome.

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  • 1Institute of Neurology, School of Medicine, University of Catanzaro, Italy.


We report on 2 brothers (aged 19 and 12 years) with Marinesco-Sjögren syndrome who also had very low serum vitamin E concentrations with an absence of postprandial chylomicrons. The molecular study ruled out ataxia with isolated vitamin E deficiency, abetalipoproteinemia, and hypobetalipoproteinemia. The electron microscopy of the intestinal mucosa was consistent with a chylomicron retention disease. We speculate that both chylomicron retention disease and Marinesco-Sjögren syndrome are related to defects in a gene crucial for the assembly or secretion of the chylomicron particles, leading to very low serum levels of vitamin E.

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