Impaired membrane traffic in defective ether lipid biosynthesis.

Abstract:

:The first steps of ether lipid biosynthesis are exclusively localized to peroxisomes and hence some peroxisomal disorders are characterized by a severe deficiency of plasmalogens, the main ether lipids in humans. Here we report on gene defects of plasmalogen biosynthesis, chromosomal localization of the corresponding genes and, as a consequence of plasmalogen deficiency, on structural alterations of caveolae, clathrin-coated pits, endoplasmic reticulum and Golgi cisternae, as well as on the reduced rate of transferrin receptor cycling. The data suggest that plasmalogens, analogous to cholesterol, are essential for correct membrane functioning and their deficiency results in impaired membrane trafficking.

journal_name

Hum Mol Genet

journal_title

Human molecular genetics

authors

Thai TP,Rodemer C,Jauch A,Hunziker A,Moser A,Gorgas K,Just WW

doi

10.1093/hmg/10.2.127

subject

Has Abstract

pub_date

2001-01-15 00:00:00

pages

127-36

issue

2

eissn

0964-6906

issn

1460-2083

journal_volume

10

pub_type

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