Defective SLC29A3 causes histiocytosis-lymphadenopathy plus syndrome (HLAS)

Summary
Organism
Homo sapiens (human)
Reactome
R-HSA-5619063
PubChem
R-HSA-5619063
Description
  • The human gene SLC29A3 encodes the equilibrative nucleoside transporter 3 (ENT3). It is abundant in many tissues, especially the placenta and is localized intracellularly on the lysosomal membrane. SLC29A3 mediates the reversible transport of nucleosides as well as anticancer and antiviral agents such as cladribine, cordycepin, tubercidin and AZT. Defects in SLC29A3 can cause histiocytosis-lymphadenopathy plus syndrome (HLAS; MIM:602782), an autosomal recessive disorder characterised by combined features from 2 or more of four histiocytic disorders (Morgan et al. 2010, Colmenero et al. 2012, Young et al. 2013).
Click on a node on the pathway to see its details. Glycoproteins are marked with a glycoprotein icon in their name.
Displaying 1 entry
UniProt ID Protein Name Gene Symbol Pathway Viewer
Q9BZD2 Equilibrative nucleoside transporter 3
  • ENT3
  • SLC29A3
  • UNQ717/PRO1380
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Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01


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Last updated: April 6, 2026