About the structure and biological function of AP
Structure. Alpha-hydroxy-fatty acid [A] phytosphingosine [P] ceramides (CER[AP], or AP) belong to the group of ceramide lipids within the sphingolipids. Their structure consists of a sphingoid base, specifically phytosphingosine, and a fatty acid, which is an α-hydroxy fatty acid. The fatty acid can be of variable length, hydroxylated, and contain double bonds.
Function. The function of alpha-hydroxy-phytosphingosines mainly revolves around skin health where they serve structural and signaling roles. AP ceramides contribute to epidermal barrier function which protects against environmental factors and prevents trans-epidermal water loss. They are critical to barrier homeostasis. Skin ceramide profile aberrations can lead or contribute to skin conditions. Further, AP ceramides are increased during winter months in healthy skin and decreased in Albino African skin.
AP lipidomics analysis with
|Structural details||subspecies level|
|Variants identified||> 100|
|Device||Q Exactive Orbitrap (280.000 Res)|
|Delivery time||3-6 weeks|
|Lipidomics data||pmol & mol%|
TAG, DAG, AdS, AS, AP, AH, NdS, NS, NP, NH, EOdS, EOS, EOP, EOH, Chol, CE
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