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Concentrative nucleoside transporter 1

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SLC28A1

Identifiers

Aliases

SLC28A1, CNT1, HCNT1, Concentrative nucleoside transporter 1, solute carrier family 28 member 1, URCTU

External IDs

OMIM: 606207; MGI: 3605073; HomoloGene: 37902; GeneCards: SLC28A1; OMA:SLC28A1 - orthologs

Gene location (Human)

Chr.	Chromosome 15 (human)^[1]

Band	15q25.3	Start	84,884,654 bp^[1]
Band	15q25.3	End	84,945,798 bp^[1]

Gene location (Mouse)

Chr.	Chromosome 7 (mouse)^[2]

Band	7\|7 D3	Start	80,764,547 bp^[2]
Band	7\|7 D3	End	80,820,164 bp^[2]

RNA expression pattern

Bgee

Human

Mouse (ortholog)

Top expressed in

right lobe of liver

testicle

human kidney

duodenum

mucosa of ileum

jejunal mucosa

kidney tubule

muscle of thigh

apex of heart

renal medulla

Top expressed in

proximal tubule

duodenum

right kidney

human kidney

neck

pharynx

embryo

primary oocyte

bone marrow

secondary oocyte

More reference expression data

BioGPS

n/a

Gene ontology
Molecular function	nucleoside transmembrane transporter activity pyrimidine- and adenine-specific:sodium symporter activity nucleoside:sodium symporter activity
Cellular component	integral component of membrane plasma membrane membrane integral component of plasma membrane
Biological process	pyrimidine nucleobase transport nucleoside transport pyrimidine-containing compound transmembrane transport nucleoside transmembrane transport nucleobase-containing compound metabolic process purine nucleobase transmembrane transport
Sources:Amigo / QuickGO

Orthologs

Species

Human

Mouse

Entrez


9154


434203

Ensembl


ENSG00000156222


ENSMUSG00000025726

UniProt


O00337


E9PXX9

RefSeq (mRNA)

NM_001287761 NM_001287762 NM_004213 NM_201651 NM_001321721
NM_001321722


NM_001004184

RefSeq (protein)

NP_001274690 NP_001274691 NP_001308650 NP_001308651 NP_004204
NP_964014


NP_001004184

Location (UCSC)

Chr 15: 84.88 – 84.95 Mb

Chr 7: 80.76 – 80.82 Mb

PubMed search

^[3]

^[4]

Wikidata

View/Edit Human

View/Edit Mouse

Concentrative nucleoside transporter 1 (CNT1) is a protein that in humans is encoded by the SLC28A1 gene.^[5]^[6]

References

[edit]

^ ^a ^b ^c GRCh38: Ensembl release 89: ENSG00000156222 – Ensembl, May 2017

^ ^a ^b ^c GRCm38: Ensembl release 89: ENSMUSG00000025726 – Ensembl, May 2017

^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.

^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.

^ Ritzel MW, Yao SY, Huang MY, Elliott JF, Cass CE, Young JD (Apr 1997). "Molecular cloning and functional expression of cDNAs encoding a human Na+-nucleoside cotransporter (hCNT1)". Am J Physiol. 272 (2 Pt 1): C707–14. doi:10.1152/ajpcell.1997.272.2.C707. PMID 9124315.

^ "Entrez Gene: SLC28A1 solute carrier family 28 (sodium-coupled nucleoside transporter), member 1".

Ritzel MW, Ng AM, Yao SY, et al. (2001). "Recent molecular advances in studies of the concentrative Na+-dependent nucleoside transporter (CNT) family: identification and characterization of novel human and mouse proteins (hCNT3 and mCNT3) broadly selective for purine and pyrimidine nucleosides (system cib)". Mol. Membr. Biol. 18 (1): 65–72. doi:10.1080/09687680118530. PMID 11396613. S2CID 218896128.

Ritzel MW, Yao SY, Ng AM, et al. (1999). "Molecular cloning, functional expression and chromosomal localization of a cDNA encoding a human Na+/nucleoside cotransporter (hCNT2) selective for purine nucleosides and uridine". Mol. Membr. Biol. 15 (4): 203–11. doi:10.3109/09687689709044322. PMID 10087507.

Loewen SK, Ng AM, Yao SY, et al. (1999). "Identification of amino acid residues responsible for the pyrimidine and purine nucleoside specificities of human concentrative Na(+) nucleoside cotransporters hCNT1 and hCNT2". J. Biol. Chem. 274 (35): 24475–84. doi:10.1074/jbc.274.35.24475. PMID 10455109.

Mata JF, García-Manteiga JM, Lostao MP, et al. (2001). "Role of the human concentrative nucleoside transporter (hCNT1) in the cytotoxic action of 5[Prime]-deoxy-5-fluorouridine, an active intermediate metabolite of capecitabine, a novel oral anticancer drug". Mol. Pharmacol. 59 (6): 1542–8. doi:10.1124/mol.59.6.1542. hdl:10171/21116. PMID 11353816.

Lai Y, Bakken AH, Unadkat JD (2002). "Simultaneous expression of hCNT1-CFP and hENT1-YFP in Madin-Darby canine kidney cells. Localization and vectorial transport studies". J. Biol. Chem. 277 (40): 37711–7. doi:10.1074/jbc.M204986200. PMID 12097333.

Alcorn J, Lu X, Moscow JA, McNamara PJ (2002). "Transporter gene expression in lactating and nonlactating human mammary epithelial cells using real-time reverse transcription-polymerase chain reaction". J. Pharmacol. Exp. Ther. 303 (2): 487–96. doi:10.1124/jpet.102.038315. PMID 12388627. S2CID 16195525.

Molina-Arcas M, Bellosillo B, Casado FJ, et al. (2003). "Fludarabine uptake mechanisms in B-cell chronic lymphocytic leukemia". Blood. 101 (6): 2328–34. doi:10.1182/blood-2002-07-2236. PMID 12411296.

Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. Bibcode:2002PNAS...9916899M. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.

García-Manteiga J, Molina-Arcas M, Casado FJ, et al. (2004). "Nucleoside transporter profiles in human pancreatic cancer cells: role of hCNT1 in 2',2'-difluorodeoxycytidine- induced cytotoxicity". Clin. Cancer Res. 9 (13): 5000–8. PMID 14581375.

Loewen SK, Yao SY, Slugoski MD, et al. (2004). "Transport of physiological nucleosides and anti-viral and anti-neoplastic nucleoside drugs by recombinant Escherichia coli nucleoside-H(+) cotransporter (NupC) produced in Xenopus laevis oocytes". Mol. Membr. Biol. 21 (1): 1–10. doi:10.1080/0968768031000140836. PMID 14668133. S2CID 11973712.

Gray JH, Mangravite LM, Owen RP, et al. (2004). "Functional and genetic diversity in the concentrative nucleoside transporter, CNT1, in human populations". Mol. Pharmacol. 65 (3): 512–9. doi:10.1124/mol.65.3.512. PMID 14978229. S2CID 1788715.

Farré X, Guillén-Gómez E, Sánchez L, et al. (2004). "Expression of the nucleoside-derived drug transporters hCNT1, hENT1 and hENT2 in gynecologic tumors". Int. J. Cancer. 112 (6): 959–66. doi:10.1002/ijc.20524. PMID 15386342. S2CID 33828164.

Lai Y, Lee EW, Ton CC, et al. (2005). "Conserved residues F316 and G476 in the concentrative nucleoside transporter 1 (hCNT1) affect guanosine sensitivity and membrane expression, respectively". Am. J. Physiol., Cell Physiol. 288 (1): C39–45. doi:10.1152/ajpcell.00192.2004. PMID 15456697. S2CID 27633580.

Fernández-Veledo S, Jover R, Casado FJ, et al. (2007). "Transcription factors involved in the expression of SLC28 genes in human liver parenchymal cells". Biochem. Biophys. Res. Commun. 353 (2): 381–8. doi:10.1016/j.bbrc.2006.12.021. PMID 17187757.

Slugoski MD, Loewen SK, Ng AM, et al. (2007). "Specific mutations in transmembrane helix 8 of human concentrative Na+/nucleoside cotransporter hCNT1 affect permeant selectivity and cation coupling". Biochemistry. 46 (6): 1684–93. doi:10.1021/bi061692s. PMID 17279631.

Smith KM, Slugoski MD, Cass CE, et al. (2007). "Cation coupling properties of human concentrative nucleoside transporters hCNT1, hCNT2 and hCNT3". Mol. Membr. Biol. 24 (1): 53–64. doi:10.1080/09687860600942534. PMID 17453413. S2CID 20779608.

Guallar JP, Cano-Soldado P, Aymerich I, et al. (2007). "Altered expression of nucleoside transporter genes (SLC28 and SLC29) in adipose tissue from HIV-1-infected patients". Antivir. Ther. (Lond.). 12 (6): 853–63. doi:10.1177/135965350701200601. PMID 17926640. S2CID 19447232.

Membrane proteins, carrier proteins: membrane transport proteins solute carrier (TC 2A)

By group

SLC1–10

(1):	high affinity glutamate and neutral amino-acid transporter SLC1A1 2 3 4 5 6 7
(2):	facilitative GLUT transporter SLC2A1 2 3 4 5 6 7 8 9 10 11 12 13 14
(3):	heavy subunits of heterodimeric amino-acid transporters SLC3A1 2
(4):	bicarbonate transporter SLC4A1 2 3 4 5 6 7 8 9 10 11
(5):	sodium glucose cotransporter SLC5A1 2 3 4 5 6 7 8 9 10 11 12
(6):	sodium- and chloride- dependent sodium:neurotransmitter symporters SLC6A1 SLC6A2 SLC6A3 SLC6A4 SLC6A5 SLC6A6 SLC6A7 SLC6A8 SLC6A9 SLC6A10 SLC6A11 SLC6A12 SLC6A13 SLC6A14 SLC6A15 SLC6A16 SLC6A17 SLC6A18 SLC6A19 SLC6A20
(7):	cationic amino-acid transporter/glycoprotein-associated SLC7A1 SLC7A2 SLC7A3 SLC7A4 glycoprotein-associated/light or catalytic subunits of heterodimeric amino-acid transporters SLC7A5 SLC7A6 SLC7A7 SLC7A8 SLC7A9 SLC7A10 SLC7A11 SLC7A13 SLC7A14
(8):	Na⁺/Ca²⁺ exchanger SLC8A1 SLC8A2 SLC8A3
(9):	Na⁺/H⁺ exchanger SLC9A1 SLC9A2 SLC9A3 SLC9A4 SLC9A5 SLC9A6 SLC9A7 SLC9A8 SLC9A9 SLC9A10 SLC9A11
(10):	sodium bile salt cotransport SLC10A1 SLC10A2 SLC10A3 SLC10A4 SLC10A5 SLC10A6 SLC10A7 10A1 10A2 10A3 10A7

SLC11–20

(11):	proton coupled metal ion transporter SLC11A1 SLC11A2 11A3
(12):	electroneutral cation-Cl cotransporter SLC12A1 SLC12A2 SLC12A3 SLC12A4 SLC12A5 SLC12A6 SLC12A7 SLC12A8 SLC12A9
(13):	human Na⁺-sulfate/carboxylate cotransporter SLC13A1 SLC13A2 SLC13A3 SLC13A4 SLC13A5
(14):	urea transporter SLC14A1 SLC14A2
(15):	proton oligopeptide cotransporter SLC15A1 SLC15A2 SLC15A3 SLC15A4
(16):	monocarboxylate transporter SLC16A1 SLC16A2 SLC16A3 SLC16A4 SLC16A5 SLC16A6 SLC16A7 SLC16A8 SLC16A9 SLC16A10 SLC16A11 SLC16A12 SLC16A13 SLC16A14
(17):	Vesicular glutamate transporter 1 SLC17A1 SLC17A2 SLC17A3 SLC17A4 SLC17A5 SLC17A6 SLC17A7 SLC17A8 SLC17A9
(18):	vesicular monoamine transporter SLC18A1 SLC18A2 SLC18A3
(19):	folate/thiamine transporter SLC19A1 SLC19A2 SLC19A3
(20):	type III Na⁺-phosphate cotransporter SLC20A1 SLC20A2

SLC21–30

(21):	Organic anion-transporting polypeptide SLCO1A2 SLCO1B1 SLCO1B3 SLCO1B4 SLCO1C1 SLCO2A1 SLCO2B1 SLCO3A1 SLCO4A1 SLCO4C1 SLCO5A1(SLCO6A1)
(22):	organic cation/anion/zwitterion transporter SLC22A1 SLC22A2 SLC22A3 SLC22A4 SLC22A5 SLC22A6 SLC22A7 SLC22A8 SLC22A9 SLC22A10 SLC22A11 SLC22A12 SLC22A13 SLC22A14 SLC22A15 SLC22A16 SLC22A17 SLC22A18 SLC22A19 SLC22A20
(23):	Na+-dependent ascorbic acid transporter SLC23A1 SLC23A2 SLC23A3 SLC23A4
(24):	Na⁺/(Ca²⁺-K⁺) exchanger SLC24A1 SLC24A2 SLC24A3 SLC24A4 SLC24A5 SLC24A6
(25):	mitochondrial carrier SLC25A1 SLC25A2 SLC25A3 SLC25A4 SLC25A5 SLC25A6 SLC25A7 SLC25A8 SLC25A9 SLC25A10 SLC25A11 SLC25A12 SLC25A13 SLC25A14 SLC25A15 SLC25A16 SLC25A17 SLC25A18 SLC25A19 SLC25A20 SLC25A21 SLC25A22 SLC25A23 SLC25A24 SLC25A25 SLC25A26 SLC25A27 SLC25A28 SLC25A29 SLC25A30 SLC25A31 SLC25A32 SLC25A33 SLC25A34 SLC25A35 SLC25A36 SLC25A37 SLC25A38 SLC25A39 SLC25A40 SLC25A41 SLC25A42 SLC25A43 SLC25A44 SLC25A45 SLC25A46
(26):	multifunctional anion exchanger SLC26A1 SLC26A2 SLC26A3 SLC26A4 SLC26A5 SLC26A6 SLC26A7 SLC26A8 SLC26A9 SLC26A10 SLC26A11
(27):	fatty acid transport proteins SLC27A1 SLC27A2 SLC27A3 SLC27A4 SLC27A5 SLC27A6
(28):	Na⁺-coupled nucleoside transport (SLC28A1 SLC28A2 SLC28A3
(29):	facilitative nucleoside transporter SLC29A1 SLC29A2 SLC29A3 SLC29A4
(30):	zinc efflux SLC30A1 SLC30A2 SLC30A3 SLC30A4 SLC30A5 SLC30A6 SLC30A7 SLC30A8 SLC30A9 SLC30A10

SLC31–40

(31):	copper transporter SLC31A1
(32):	Vesicular glutamate transporter 1 SLC32A1
(33):	Acetyl-CoA transporter SLC33A1
(34):	type II Na⁺-phosphate cotransporter SLC34A1 SLC34A2 SLC34A3
(35):	nucleoside-sugar transporter SLC35A1 SLC35A2 SLC35A3 SLC35A4 SLC35A5 SLC35B1 SLC35B2 SLC35B3 SLC35B4 SLC35C1 SLC35C2 SLC35D1 SLC35D2 SLC35D3 SLC35E1 SLC35E2 SLC35E3 SLC35E4
(36):	proton-coupled amino-acid transporter SLC36A1 SLC36A2 SLC36A3 SLC36A4 36A2
(37):	sugar-phosphate/phosphate exchanger SLC37A1 SLC37A2 SLC37A3 SLC37A4
(38):	System A & N, sodium-coupled neutral amino-acid transporter SLC38A1 SLC38A2 SLC38A3 SLC38A4 SLC38A5 SLC38A6 SLC38A10
(39):	metal ion transporter SLC39A1 SLC39A2 SLC39A3 SLC39A4 SLC39A5 SLC39A6 SLC39A7 SLC39A8 SLC39A9 SLC39A10 SLC39A11 SLC39A12 SLC39A13 SLC39A14
(40):	basolateral iron transporter SLC40A1

SLC41–48

(41):	Magnesium transporter E SLC41A1 SLC41A2 SLC41A3
(42):	Ammonia transporter RhAG RhBG RhCG
(43):	Na⁺-independent, system-L like amino-acid transporter SLC43A1 SLC43A2 SLC43A3
(44):	Choline-like transporter SLC44A1 SLC44A2 SLC44A3 SLC44A4 SLC44A5
(45):	Putative sugar transporter SLC45A1 SLC45A2 SLC54A3 SLC45A4
(46):	Folate transporter SLC46A1 SLC46A2
(47):	multidrug and toxin extrusion SLC47A1 SLC47A2
(48):	Heme transporter