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Test ID: IH Pax2
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Pax2
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Immunohistochemistry Stain
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Useful For
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Identification of neoplasms of renal and Mullerian origin.
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Method name and description
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- Rabbit Monoclonal Antibody PAX-2 (EP235)
- Immunoperoxidase stain on formalin-fixed, paraffin-embedded (FFPE) tissue section
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Clinical information
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PAX-2 is a homeogene strongly expressed during kidney development. PAX-2 gene is expressed in the metanephric mesenchyma after ureter bud induction and is a key factor for the mesenchyma-epithelium conversion. Animals transgenic for PAX-2 have severe renal abnormalities and cysts but no solid tumoral features. The oncogenic potential of the PAX gene family has been reported in vitro with transformation of cell cultures and in vivo with cell injections in nude mice.
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Specimen type / Specimen volume / Specimen container
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- Specimen type: Well-fixed tissue in 10% neutral buffered formalin.
- Submit 2 unstained (3-4 µm thick) paraffin embedded tissue section mounted on a clean positively charged glass slide (sections to be cut within 6 weeks.) or formalin-fixed, paraffin-embedded (FFPE) tissue block.
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Storage and transport instructions
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- Slides or blocks are stored in cork box at room temperature away from sun light and any source of heat.
- Follow your local regulation shipping guidelines.
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Specimen Rejection Criteria
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- Broken slides
- Unlabeled slides with patient/case identification
- Contaminated slides
- Slides/paraffin blocks mismatch
- Uncharged slides
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Factors affecting test performance and result interpretation
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- Fixation time (FT)
- Fixative Type
- Storage time in paraffin
- Storage temperature
- Age of the cut sections
- Section thickness
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Turnaround time / Days and times test performed / Specimen retention time
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- Turnaround time for the test in platform: 3-4 hours
- Days and times test performed: Twice daily (Sunday to Wednesday)
- First batch: 0600H-1400H
- Second batch; 1230H - overnight
- Thursday (one batch only): 0600H-1400H
- Note: Request received after 1230H will be stained the following working day.
- Shelf-life of the paraffin section slides: ≤6 weeks
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