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ERG Split CISH Probe 

  • Catalog # : CS0007
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  • Specification
  • Product Description:
  • ERG Split CISH Probe is designed for the qualitative detection of translocations involving the human ERG gene at 21q22.2 in formalin-fixed, paraffin-embedded specimens by chromogenic in situ hybridization (CISH).
  • Recommend Usage:
  • The product is ready-to-use. No reconstitution, mixing, or dilution is required. Bring probe to room temperature (18-25°C) and mix briefly before use.
  • Supplied Product:
  • Reagent Provided:

    This Probe is composed of:
    1. Digoxigenin-labeled polynucleotides, which target sequences mapping in 21q22.2* (chr21:40,078,039-40,269,979) distal to the ERG breakpoint region.
    2. Dinitrophenyl-labeled polynucleotides, which target sequences mapping in 21q22.13- 21q22.2* (chr21:39,171,790-39,733,849) proximal to the ERG breakpoint region.
    3. Formamide based hybridization buffer.

    *according to Human Genome Assembly GRCh37/hg19
  • Storage Instruction:
  • Store at 2-8°C in an upright position. Return to storage conditions immediately after use.
  • Note:
  • The probe is intended to be used in combination with the CISH Implementation Kit 2 (Catalog #: KA5366), which provides necessary reagents for specimen pretreatment and post-hybridization processing.

    Interpretation of results:
    Using the CISH Implementation Kit 2 (Cat # KA5366), hybridization signals of Digoxigenin-labeled polynucleotides appear as dark green colored distinct dots (distal to the ERG breakpoint region), and Dinitrophenyl-labeled polynucleotides appear as bright red colored distinct dots (proximal to the ERG breakpoint region).
    Normal situation: In interphases of normal cells or cells without a translocation involving the ERG gene region, two red/green fusion signals appear.
    Aberrant situation: In a cell with deletions affecting the ERG gene region resulting in the TMPRSS2-ERG fusion, the loss of one green signal will be observed. One ERG gene region affected by a translocation without involvement of TMPRSS2 (e.g, SLC45A3-ERG) is indicated by one separate green signal and one separate red signal.
    Overlapping signals may appear as brown signals. Genomic aberrations due to small deletions, duplications or inversions might result in inconspicuous signal patterns. Other signal patterns than those described above may be observed in some abnormal samples. These unexpected signal patterns should be further investigated.
  • Probe Position:
  • Regulatory Status:
  • For research use only (RUO)
  • Interpretation of Result:
  • Applications
  • Chromogenic In Situ Hybridization (FFPE Tissue)
  • Chromogenic <i>In Situ</i> Hybridization (FFPE Tissue)
  • Prostate cancer tissue section with translocation affecting the 21q22.13-q22.2 locus as indicated by one non-rearranged red/green fusion signal, one red signal, and one separate green signal indicating the translocation.
  • Application Image
  • Chromogenic In Situ Hybridization (FFPE Tissue)
  • Chromogenic <i>In Situ</i> Hybridization (FFPE Tissue)
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  • Gene Information
  • Entrez GeneID:
  • 2078
  • Gene Name:
  • ERG
  • Gene Alias:
  • erg-3,p55
  • Gene Description:
  • v-ets erythroblastosis virus E26 oncogene homolog (avian)
  • Other Designations:
  • OTTHUMP00000115970,TMPRSS2-ERG prostate cancer specific,transcriptional regulator ERG (transforming protein ERG),v-ets avian erythroblastosis virus E26 oncogene related,v-ets erythroblastosis virus E26 oncogene like
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