Also found in: Dictionary, Acronyms, Encyclopedia, Wikipedia.


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.
References in periodicals archive ?
The effects of phosphatidylserine on endocrine response to moderate intensity exercise.
To investigate whether the compound-induced decrease in cell viability is accompanied with phosphatidylserine translocation, cells treated as described above were dual stained with Annexin V-fluorescein isothiocyanate (FITC) and propidium iodide (PI) according to the manufacturer's instructions (Caltag Laboratories).
Cognitive decline in the elderly: a double-blind placebo-controlled multicenter study on the efficacy of phosphatidylserine administration.
[ClickPress, Tue Apr 23 2019] A new report titled " Phosphatidylserine Market -- Valuable Growth Prospects and Insights on Future Scenario " has been included in the enormous research repository of Market Research Reports Search Engine (MRRSE) that compiles various facets of the Phosphatidylserine market at a global level portraying a holistic analysis of the marketplace along with intelligence on key participants.
Phosphatidylserine is a phospholipid, one of the structural components of the membranes that surrounds all cells in the body.
Multiple mechanisms, including "bystander hemolysis," increased macrophage-mediated hemolysis, and increased red blood cell exposure of phosphatidylserine, with subsequent hemolysis and suppression of erythropoiesis, may play a role in HS.
Previously, MP were identified by their positivity for phosphatidylserine (PS), but ample evidence now exists that not all MP express PS on their surface and the percentage that do varies with the method used for PS detection and the source of stimulation [13-16].
(5-6) A double-blind study involving bovine-brain derived phosphatidylserine found it was able to improve both behavior and cognition in elderly people with cognitive decline.
Some recent studies have linked the occurrence of LMHD to PTDSS1 gene that encodes Phosphatidylserine synthase 1 (PSS1).
Annexin V binds to membrane phosphatidylserine in the presence of calcium.
It interacts with a human plasma-membrane lipid, phosphatidylserine, to facilitate replication of the virus.

Full browser ?