Phospholipids accumulation in mucolipidosis IV cultured fibroblasts - PubMed (original) (raw)

Phospholipids accumulation in mucolipidosis IV cultured fibroblasts

R Bargal et al. J Inherit Metab Dis. 1988.

Abstract

Cultured fibroblasts from mucolipidosis IV patients accumulated phospholipids when compared to normal controls or cells from other genotypes. The major stored compounds were identified as phosphatidylcholine, phosphatidylethanolamine and to a larger extent lysophosphatidylcholine and lysobisphosphatidic acid. Pulse chase experiments of 32P-labelled phospholipids showed increased retention of these compounds in the mucolipidosis IV lines throughout the pulse and chase periods. Phospholipase A1, A2, C, D and lysophospholipase showed normal activity in the mucolipidosis IV lines and thus the metabolic cause for this storage remains to be identified.

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