Gene expression profile by blocking the SYT-SSX fusion gene in synovial sarcoma cells. Identification of XRCC4 as a putative SYT-SSX target gene

Yuntao Xie, Maria Törnkvist, Yan Aalto, Gunnar Nilsson, Leonard Girnita, B. Nagy, Sakari Knuutila, Olle Larsson

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Increasing evidence suggests that the SYT-SSX fusion gene plays an important role in synovial sarcoma development and progression. However, very little is known about the downstream targets of SYT-SSX. In this study, we used antisense oligonucleotides to block the expression of the SYT-SSX fusion gene in synovial sarcoma cells. By comparing SYT-SSX inhibited cells with noninhibited cells, the gene expression profile was analysed using cDNA microarray and established by real-time PCR. Herewith, using a filter containing 1176 cancer-relevant genes, we found that the DNA repair gene XRCC4 and the DNA mismatch repair gene MSH2 were downregulated, whereas the gene encoding for the serine/threonine protein kinase PRK (also known as CNK), and the macrophage inhibitory cytokine MICI (also known as PLAB) were upregulated after the inhibition of SYT-SSX. In comparison, expression of the XRCC4 gene was undergoing the strongest alteration. Consistently, the protein expression of XRCC4 was found to be decreased after SYT-SSX inhibition, whereas there were no detectable changes for the other gene products. Our study provides some clues to elucidate the signaling pathways of the SYT-SSX fusion gene, as well as it demonstrates a valuable model system for search for other SYT-SSX targets.

Original languageEnglish
Pages (from-to)7628-7631
Number of pages4
JournalOncogene
Volume22
Issue number48
DOIs
Publication statusPublished - Oct 23 2003

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Synovial Sarcoma
Gene Fusion
Transcriptome
Genes
DNA Mismatch Repair
Antisense Oligonucleotides
Neoplasm Genes
Protein-Serine-Threonine Kinases
Oligonucleotide Array Sequence Analysis
DNA Repair
Real-Time Polymerase Chain Reaction
Down-Regulation
Macrophages
Cytokines
Gene Expression
Proteins

Keywords

  • Antisense
  • Microarray
  • Synovial sarcoma
  • SYT-SSX

ASJC Scopus subject areas

  • Molecular Biology
  • Cancer Research
  • Genetics

Cite this

Gene expression profile by blocking the SYT-SSX fusion gene in synovial sarcoma cells. Identification of XRCC4 as a putative SYT-SSX target gene. / Xie, Yuntao; Törnkvist, Maria; Aalto, Yan; Nilsson, Gunnar; Girnita, Leonard; Nagy, B.; Knuutila, Sakari; Larsson, Olle.

In: Oncogene, Vol. 22, No. 48, 23.10.2003, p. 7628-7631.

Research output: Contribution to journalArticle

Xie, Yuntao ; Törnkvist, Maria ; Aalto, Yan ; Nilsson, Gunnar ; Girnita, Leonard ; Nagy, B. ; Knuutila, Sakari ; Larsson, Olle. / Gene expression profile by blocking the SYT-SSX fusion gene in synovial sarcoma cells. Identification of XRCC4 as a putative SYT-SSX target gene. In: Oncogene. 2003 ; Vol. 22, No. 48. pp. 7628-7631.
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