Selenoprotein P and apolipoprotein E receptor-2 interact at the blood-brain barrier and also within the brain to maintain an essential selenium pool that protects against neurodegeneration. - Burk RF; Hill KE; Motley AK; Winfrey VP; Kurokawa S; Mitchell SL; Zhang W (FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 2014)