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a phospholipid containing serine that is an important constituent of cell membranes and is localized preferentially in the inner surface of the plasma membrane. Abbreviated PS.

phos·pha·ti·dyl·ser·ine (PtdSer),

The condensation product of phosphatidic acid and serine; found in biomembranes.
See also: cephalin.

phosphatidylserine (fäsˑ·f·tīˈ·dl·s·rēn),

n a phospholipid that has been used to treat cognitive impairment, depression, and the symptoms of overexertion. Caution is advised for patients taking heparin. Also called


one of the lipids concerned in the structure of cell membranes.
References in periodicals archive ?
With 210 tables and figures to support the Phosphatidylserine market analysis, this research provides key statistics on the state of the industry and is a valuable source of guidance and direction for companies and individuals interested in the market.
Essential role of phosphatidylserine externalization in apoptosing cell phagocytosis by macrophages.
In cells undergoing apoptosis, however, an enzyme rapidly shifts phosphatidylserine to the outer surface, Schlegel's team has found.
Fluorescent NBDlabeled phosphatidylserine was mixed with nonlabeled phosphatidylserine at a ratio of 1:20, diluted in chloroform:methanol (1:4, by volume) and dried under nitrogen onto plates with different surfaces as described above.
It is hoped that phosphatidylserine will one day restore memory in older people.
Appetizer: Collagen Hydrolysate with Lycopene and Phosphatidylserine.
Researchers have recently reported that in AD brains, compared to mild cognitive impairment (MCI), there is significantly lower percentage of DHA specifically in phosphatidylserine.
6 million in building two additional production lines for PhosphatidylSerine (PS) and Phosphatidic Acid (PA).
PSPA is a natural, high-quality blend of phosphatidylserine (PS) and phosphatidic acid (PA).
8221; Lipids and fatty acids such as Phosphatidylserine and DHA Omega-3 have scientifically supportive health claims yet are nearly impossible to add to beverages and shots as clearer and stable without use of chemical additives (such as EDTA, Polysorbates, or ingredients not approved for direct food use, such as Hydrogenated Castor Oil PEG-40 or Castor Oil, polyoxyethylated).

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