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31P and 1H NMR studies of ethanolamine-linked phosphoglycerides metabolism in human T lymphocytes

Ricciolini, R.; Miccheli, A.; Peluso, G.; Delfini, M.; Conti, F.

Cellular and Molecular Biology 37(7): 705-711

1991

ISSN/ISBN: 0145-5680
PMID: 1777920
Document Number: 384748
Aqueous and organic extracts of peripheral human T lymphocytes and of T lymphoblastoid cell lines have been examinated by 31P and 1H NMR spectroscopy in order to study the metabolism of ethanolamine (Etn) linked phosphoglycerides. The results show that the Etn concentration in the culture medium determines the composition of Etn-containing metabolites and phospholipids. The effect of phorbol esters, stimulating the synthesis and the breakdown of choline-containing phospholipids has been also studied. A phorbol 12-myristate 13-acetate (PMA) dependent membrane phosphatidylethanolamine hydrolysis, presumably mediated by protein kinase C activity, has been demonstrated.

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