MFSD2A is required for the uptake of LPCs containing linoleic acid (LPC18:2) from the blood for normal development of the epidermis. The absence of MFSD2A leads to increased skin inflammation and thickening of the epidermis. Photo by: Bernice Wong Researchers at Duke-NUS Medical School in Singapore have pinpointed a lipid transporter that enables epidermal cells to import key fatty acids from the bloodstream, a mechanism they say is critical for preserving skin barrier integr