Abcg2a is the functional homolog of human ABCG2 expressed at the zebrafish blood–brain barrier
A principal protective component of the mammalian blood–brain barrier (BBB) is the high expression of the multidrug efflux transporters P-glycoprotein (P-gp, encoded by ABCB1) and ABCG2 (encoded by ABCG2) on the ...