About the structure and biological function of AH
Structure. Alpha-hydroxy-fatty acid [A] 6-hydroxy-sphingosine [H] ceramides (CER[AH], or AH) belong to the group of ceramide lipids within the sphingolipids. Their structure consists of a sphingoid base, specifically 6-hydroxy-sphingosine, 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 biological roles of alpha-hydroxy-6-hydroxy-sphingosines are tightly linked to skin health where they fulfill structural and signaling purposes. AH ceramides are involved in the formation of the epidermal barrier to protect against the environment and prevent trans-epidermal water loss. They are critical for barrier homeostasis. Aberrations of skin ceramide levels can contribute or lead to skin conditions. Further, AH ceramides are increased in Albino African skin.
AH lipidomics analysis with
|Structural details||subspecies level|
|Variants identified||> 250|
|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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