cDNA Sequence and Tissue Distribution of Canine Na-Dependent Neutral Amino Acid Transporter 2 (ASCT 2)

Hideharu OCHIAI; Ken ONDA; Kikumi OGIHARA; Yuko NAYA; Hiroki SUGIYAMA; Takuya MARUO

doi:10.1292/jvms.12-0171

Physiology

cDNA Sequence and Tissue Distribution of Canine Na-Dependent Neutral Amino Acid Transporter 2 (ASCT 2)

Hideharu OCHIAI, Ken ONDA, Kikumi OGIHARA, Yuko NAYA, Hiroki SUGIYAMA, Takuya MARUO

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Keywords: ASCT2, canine, cDNA sequence, distribution, SLC1A5

JOURNAL FREE ACCESS

2012 Volume 74 Issue 11 Pages 1505-1510

DOI https://doi.org/10.1292/jvms.12-0171

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Abstract

A full-length cDNA sequence of canine Na-dependent neutral amino acid transporter (ASCT2) and its distribution were determined. The sequence was 2,090 bp long and was predicted to encode 544 amino acid polypeptides. The amino acid sequence deduced from canine ASCT2 showed 90% similarity to that of humans and mice. Northern blot analysis revealed ASCT2 expression in the kidney, heart, lung and muscles, and Western blot analysis using anti-human ASCT2 antiserum detected the bands at 60 and 65 kDa in membrane protein of the lung. RT-PCR analysis revealed ASCT2 expression in all the tissues examined.

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