Isolation and characterization of Na+/Ca2+ exchanger gene and splicing isoforrns in mice

Koji Wakimoto, Makoto Kuro-O, Noriyuki Yanaka, Kenji Omori, Issei Komuro, Yuji Imai, Yo Ichi Nabeshima

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The Na+/Ca2+ exchanger gene NCXl is ubiquitously expressed in mammalian tissues, and encodes several isoforms through alternative RNA splicing. In this report, we describe the gene structure that gives rise to the multiple isoforms, and the tissue-specific expression of these isoforms in mice. The mouse NCXl gene contains a cluster of six exons (A, B, C, D, E, and F) which encode a variable region in the large intracellular loop of the protein, as previously reported in rabbits and humans. Using reverse tran-scription- polymerase chain reaction (RT-PCR), expression of the isoforms was examined in several tissues. We also identified a novel splice variant, which originate from exons A, C, D, and F. These findings provide new insights into the significance of the large repertoire of NCXl isoforms.

Original languageEnglish (US)
Pages (from-to)75-81
Number of pages7
JournalMitochondrial DNA
Volume11
Issue number1-2
DOIs
StatePublished - 2000

Keywords

  • Na/Ca exchanger
  • alternative splicing
  • disribution
  • gene

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics

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