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Alterations in sebum from Fatp4−/−;Tg(IVL-Fatp4) mice. Sebum lipids were isolated from the hair surface of male Fatp4−/−;Tg(IVL-Fatp4) mice and male control littermates with the ages indicated. Lipids were resolved by TLC in a solvent mixture of Hex/Et2O/acetic acid (88/12/1, v/v), and stained by iodine vapor. Components in the nonpolar lipid marker are indicated on the left. The arrow marks the origin of sample application. FA, free fatty acids; S, sterols; PL, polar lipids.
