About the structure and biological function of LPA
Structure. Lyso-phosphatidates (lyso-phosphatidic acids, LysoPtdOH, LysoPA, or LPA) are a type of glycerophosphates, a class of glycerophospholipids. Their structure consists of a glycerol backbone linked to a fatty acid and a phosphate group. The fatty acid can be of variable length, hydroxylated, and contain double bonds.
LPA lipids are mainly found in animal blood plasma, though at low concentrations. On a subcellular level, they are enriched in the extracellular space.
Function. Lyso-phosphatidates influence many biochemical processes in cells and act as lipid mediators with growth factor-like activities. They act upon nearly all cell types, often as signal for proliferation, cytoskeleton re-arrangement, cell differentiation, cytokine secretion, and many other vital cellular processes. Further, there is evidence for the role of LPA lipids in the remodeling of lipid metabolism in cancer. They are a target of pharmaceutical research in the search for new cancer drugs.
LPA lipidomics analysis with
|Structural details||species level|
|Variants identified||> 50|
|Method||mass spectrometry (untargeted)|
|Delivery time||2-6 weeks|
|Lipidomics data||pmol & mol%|
LPA, LPC, LPE, LPG, LPI, LPS, Cer, CL, PC O-, PE O-, LPC O-, LPE O-, HexCer
2Blood Extended includes:
PA, PG, LPA, LPI, LPC O-, LPE O-, HexCer
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