Differential display of reticulocalbin in the highly invasive cell line, MDA-MB-435, versus the poorly invasive cell line, MCF-7

Zhongdong Liu, Michael G. Brattain, Hubert Appert

Research output: Contribution to journalArticle

78 Citations (Scopus)

Abstract

Matrigel invasion assays were used to characterize the invasive abilities of five breast cancer cell lines. Reverse Transcription Polymerase Chain Reaction (RT-PCR) was used to detect the differential gene expression of estrogen receptor (ER), E-cadherin, vimentin and cathepsin D in these cell lines. Using mRNA differential display, we identified novel cDNA clones representing the partial sequences of genes overexpressed in the invasive MDA-MB-435 cells as compared to that of the less invasive MCF-7 cells. One of the cDNAs was homologous to reticulocalbin. The studies were repeated in all of the cell lines and the overexpression of this cDNA was confirmed by RT-PCR and Northern hybridization analysis. Reticulocalbin was expressed in the highly invasive breast cancer cell lines but was not expressed in poorly invasive ones. Although its function is still unknown, reticulocalbin is implicated in tumor cell invasiveness because of its differential expression in breast tumor cell lines.

Original languageEnglish (US)
Pages (from-to)283-289
Number of pages7
JournalBiochemical and Biophysical Research Communications
Volume231
Issue number2
DOIs
StatePublished - Feb 13 1997

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Display devices
Cells
Cell Line
Complementary DNA
Breast Neoplasms
Reverse Transcription
Polymerase chain reaction
Transcription
Polymerase Chain Reaction
Cathepsin D
Tumors
MCF-7 Cells
Gene Expression Profiling
Vimentin
Cadherins
Tumor Cell Line
Estrogen Receptors
Clone Cells
Gene Expression
Gene expression

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

Differential display of reticulocalbin in the highly invasive cell line, MDA-MB-435, versus the poorly invasive cell line, MCF-7. / Liu, Zhongdong; Brattain, Michael G.; Appert, Hubert.

In: Biochemical and Biophysical Research Communications, Vol. 231, No. 2, 13.02.1997, p. 283-289.

Research output: Contribution to journalArticle

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