“…Table 5.1 lists the expression of infl ux transporters in posterior ocular tissues and in cell culture models in vitro. Glucose transporters D -Glucose, DHA ARPE-19, human retina (nerve fi ber layer, the ganglion and photoreceptor cell bodies, the capillaries and the RPE), TR-iBRB2, rat retina [6], [8], [10], [13] Nucleoside transporters Adenosine TR-iBRB2, ARPE-19, rabbit retina [17], [18] Creatine transporters Creatine TR-iBRB2, rat retina, human inner retinal blood vessels and retinal pigment epithelium [20], [21] Oligopeptide transporters Dipeptides, tripeptides, cephalosporins Bovine RPE, HRPE, ARPE-19, human retina/choroid [23], [25] Taurine transporter Taurine, GABA TR-iBRB2, ARPE-19, RGC-5, rMC1 [32], [34] Large neutral amino acid transporters (System L) Phenyl alanine, leucine, tyrosine TR-iBRB2, ARPE-19 [37], [39] Glutamate transporters L -glutamate Rat retina, ARPE-19, D407 [43], [45], [47] Cystine-glutamate exchanger Cystine, glutamate ARPE-19, TR-iBRB2, TR-MUL5, rod and cone photoreceptors in the rat, cow, chicken and monkey retina [51], [52], [53], [54] GABA transporters GABA Human retina, rat retina [57], [58] Monocarboxylate transporters Lactate, pyruvate, ketone bodies Rat neural retina, mouse RPE and choroid plexus, rat Müller cells and glial cells, ARPE-19 [62], [63], [65], [66], [68], [69] Infl ux transporters present in posterior ocular tissues and cell lines Table 5.1 Organic anion transporters Antibiotics, non-steroidal anti-infl ammatory drugs, and anti-HIV agents Rat retina, interface between the pigment epithelium and the photoreceptor outer segment [79], [80] Organic ani...…”