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Upregulation of Na+,Cl--Coupled Betaine/ γ-Amino-Butyric Acid Transporter BGT1 by Tau Tubulin Kinase 2
Author(s) -
Ahmad Almilaji,
Carlos Muñoz,
Zohreh Hosseinzadeh,
Florian Läng
Publication year - 2013
Publication title -
cellular physiology and biochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.486
H-Index - 87
eISSN - 1421-9778
pISSN - 1015-8987
DOI - 10.1159/000354441
Subject(s) - symporter , chemistry , microbiology and biotechnology , biology , biochemistry , transporter , gene
The serine/threonine kinase Tau-tubulin-kinase 2 (TTBK2) is expressed in various tissues including kidney, liver and brain. Loss of function mutations of TTBK2 lead to autosomal dominant spinocerebellar ataxia type 11 (SCA11). Cell survival is fostered by cellular accumulation of organic osmolytes. Carriers accomplishing cellular accumulation of organic osmolytes include the Na(+), Cl(-)-coupled betaine/γ-amino-butyric acid transporter BGT1. The present study explored whether TTBK2 participates in the regulation of BGT1 activity.

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