Introduction of tau mutation into cultured Rat1-R12 cells by gene targeting, using recombinant adeno-associated virus vector.

Abstract:

:We aim to develop a cultured cell model, to serve as a system with which the altered circadian phenotypes produced by the clock gene variations could be studied in vitro. Tau mutation, which shortens the circadian period of hamsters and mice, was introduced into the CK1epsilon locus of cultured Rat1-R12 cells by gene targeting mediated by a recombinant adeno-associated virus (rAAV) vector. After transduction of Rat1-R12 cells with rAAV, about 0.14% of the drug-resistant cells underwent gene targeting at CK1epsilon locus. Of the three clones isolated, only one carried the targeted allele of tau mutation and two carried the targeted wild-type allele. The clone with the targeted tau mutant allele exhibited a significantly shorter circadian period compared to the clone with targeted wild-type allele. rAAV-mediated gene targeting in cultured somatic cells is a convenient and powerful tool for analyzing the phenotypic outcome of clock gene variations, and for elucidating the pathogenesis of the disorders associated with abnormal circadian rhythmicity.

journal_name

Cell Mol Neurobiol

authors

Shimada H,Numazawa K,Sasaki T,Kato N,Ebisawa T

doi

10.1007/s10571-009-9389-z

subject

Has Abstract

pub_date

2009-07-01 00:00:00

pages

699-705

issue

5

eissn

0272-4340

issn

1573-6830

journal_volume

29

pub_type

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