Presence of phosphoric precursors of phospholipids in human placenta

G. Porcellati
B. Curti
S. Luciani
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Abstract

1. Deproteinized aqueous extracts of human placenta have been examined by column chromatography with Zeo-Karb 225,4.5 % cross linked, Na+ form. The more acidic components have been studied.
2. Glycerylphosphorylethanolamine, glycerylphosphorylcholine, phosphorylethanolamine and phosphorylcholine were isolated and determined. The presence of phosphorylserine is uncertain. Other amino-compounds were also identified and determined. Minor peaks were also found, but not identified. A peptide-like substance, containing phosphorous, has also been found.
3. The results are related to the problem of phospholipidphosphoric esters and phospholipid biosynthesis in the placenta.

Keywords:
Lipid Metabolism, PHOSPHOLIPIDS/metabolism, PLACENTA/metabolism, Phosphorus, Female, Humans, Phospholipids/metabolism, Placenta/metabolism, Pregnancy

Authors

G. Porcellati
B. Curti
S. Luciani


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