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PLoS One. 2013 Oct 8;8(10):e75692. doi: 10.1371/journal.pone.0075692. eCollection 2013.

Genetic characteristics of the human hepatic stellate cell line LX-2.

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1
Institute of Clinical Chemistry and Pathobiochemistry, RWTH Aachen University, Aachen, Germany.

Abstract

The human hepatic cell line LX-2 has been described as tool to study mechanisms of hepatic fibrogenesis and the testing of antifibrotic compounds. It was originally generated by immortalisation with the Simian Vacuolating Virus 40 (SV40) transforming (T) antigen and subsequent propagation in low serum conditions. Although this immortalized line is used in an increasing number of studies, detailed genetic characterisation has been lacking. We here have performed genetic characterisation of the LX-2 cell line and established a single-locus short tandem repeat (STR) profile for the cell line and characterized the LX-2 karyotype by several cytogenetic and molecular cytogenetic techniques. Spectral karyotyping (SKY) revealed a complex karyotype with a set of aberrations consistently present in the metaphases analyses which might serve as cytogenetic markers. In addition, various subclonal and single cell aberrations were detected. Our study provides criteria for genetic authentication of LX-2 and offers insights into the genotype changes which might underlie part of its phenotypic features.

PMID:
24116068
PMCID:
PMC3792989
DOI:
10.1371/journal.pone.0075692
[Indexed for MEDLINE]
Free PMC Article
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