Solute carrier family 28 member 3

Definition:

Sodium-dependent, pyrimidine- and purine-selective. Involved in the homeostasis of endogenous nucleosides. Exhibits the transport characteristics of the nucleoside transport system cib or N3 subtype (N3/cib) (with marked transport of both thymidine and inosine). Employs a 2:1 sodium/nucleoside ratio. Also able to transport gemcitabine, 3'-azido-3'-deoxythymidine (AZT), ribavirin and 3-deazauridine.

References:

[1]. M W Ritzel, et al. Molecular identification and characterization of novel human and mouse concentrative Na+-nucleoside cotransporter proteins (hCNT3 and mCNT3) broadly selective for purine and pyrimidine nucleosides (system cib). J Biol Chem. 2001 Jan 26;276(4):2914-27. [Content Brief]

[2]. Sambasivarao Damaraju, et al. Identification and functional characterization of variants in human concentrative nucleoside transporter 3, hCNT3 (SLC28A3), arising from single nucleotide polymorphisms in coding regions of the hCNT3 gene. Pharmacogenet Genomics. 2005 Mar;15(3):173-82. [Content Brief]

[3]. Huankai Hu, et al. Electrophysiological characterization and modeling of the structure activity relationship of the human concentrative nucleoside transporter 3 (hCNT3). Mol Pharmacol. 2006 May;69(5):1542-53. [Content Brief]

[4]. Pedro Cano-Soldado, et al. Functional analysis of the human concentrative nucleoside transporter-1 variant hCNT1S546P provides insight into the sodium-binding pocket. Am J Physiol Cell Physiol. 2012 Jan 1;302(1):C257-66. [Content Brief]

[5]. Takashi Yamamoto, et al. Ribavirin uptake by cultured human choriocarcinoma (BeWo) cells and Xenopus laevis oocytes expressing recombinant plasma membrane human nucleoside transporters. Eur J Pharmacol. 2007 Feb 14;557(1):1-8. [Content Brief]

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