For purification of DNA from tissues fixed and stabilized with the PAXgene Tissue System
  • Effective purification of high-quality, unmodified DNA
  • Preserved tissue morphology
  • Protocols for paraffin-embedded and paraffin-free tissues
  • Automated purification on the QIAcube

The PAXgene Tissue DNA Kit is intended for the purification of DNA from PAXgene Tissue-fixed (PF) and PAXgene Tissue-fixed, paraffin-embedded (PFPE) tissue samples. The kit is intended to be used as part of the PAXgene Tissue System, which also includes the PAXgene Tissue FIX Container and PAXgene Tissue STABILIZER Concentrate for the collection, fixation, stabilization and storage of tissues samples. The procedure can be fully automated on the QIAcube Connect.

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PAXgene Tissue DNA Kit (50)
For 50 DNA preps: PAXgene DNA Mini Spin Columns, Processing Tubes, Microcentrifuge Tubes, Carrier RNA, and Buffers; to be used in conjunction with PAXgene Tissue Containers
767134
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For Research Use Only. Not for use in diagnostics procedures. No claim or representation is intended to provide information for the diagnosis, prevention, or treatment of a disease.

Specifications for fixation and storage conditions in PAXgene Tissue Fix and PAXgene Tissue Stabilizer were determined using animal tissues.


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Significant hands-on time savings compared to the manual purification.|Yield of high-quality, high molecular weight DNA from 12 different PAXgene Tissue-fixed (PF) tissue types, processed on the QIAcube.|Absorbance ratio of high-quality, high molecular weight DNA from 12 different PAXgene Tissue-fixed, paraffin-embedded (PF) tissue types, processed on the QIAcube.|Comparison of manual and automated procedure: DNA yield from sections of PAXgene Tissue-fixed, paraffin-embedded (PFPE) tissue.|Comparison of manual and automated procedure: Absorbance ratio from sections of PAXgene Tissue-fixed, paraffin-embedded (PFPE) tissue.|High-quality DNA from PFPE tissue with preserved morphology.|The PAXgene Tissue DNA procedure.|DNA without chemical modification can be used for demanding downstream applications.|Agarose gel electrophoresis of high-quality, high molecular weight DNA from 12 different PAXgene Tissue-fixed (PF) tissue types, processed on the QIAcube.|Comparison of manual and automated procedure: Agarose gel electrophoresis from sections of PAXgene Tissue-fixed, paraffin-embedded (PFPE) tissue.|
Comparison of sample preparation times between manual and QIAcube procedures for 12 PAXgene Tissue-fixed, paraffin-embedded (PFPE) tissues. Hands-on time without incubation times.|Twelve different PAXgene Tissue-fixed (PF) rat tissue types, including fibrous or fatty, DNA-rich and DNA-poor tissues, processed with the PAXgene Tissue DNA Kit on the QIAcube in one single run. DNA yield per 10 mg tissue.|Twelve different PAXgene Tissue-fixed (PF) rat tissue types, including fibrous or fatty, DNA-rich and DNA-poor tissue, processed with the PAXgene Tissue DNA Kit on the QIAcube in a single run. Ratio of absorbance at 260 and 280 nm.|DNA yield from 3 sections (thickness 10 µm) each of 8 different PAXgene Tissue-fixed, paraffin-embedded (PFPE) rat tissue types processed in triplicate with the PAXgene Tissue DNA Kit on the QIAcube or manually.|Ratio of absorbance at 260 and 280 nm from 3 sections (thickness 10 µm) each of 8 different PAXgene Tissue-fixed, paraffin-embedded (PFPE) rat tissue types processed in triplicate with the PAXgene Tissue DNA Kit on the QIAcube or manually.|[A] Hematoxylin and eosin (H&E) staining of PAXgene Tissue-fixed, paraffin-embedded (PFPE) human colorectal cancer tissue and [B] DNA on agarose gel electrophoresis using 0.8% TBE buffered gels with 200 ng genomic DNA isolated in triplicate from 5 cases (#1–5) of human PFPE colorectral cancer. M: markers.||Multiplex and long-range PCR of DNA from PAXgene Tissue-fixed, paraffin-embedded (PFPE) human colorectal cancer tissue (modified according to Viertler et al., (2012) A new technology for stabilization of biomolecules in tissues for combined histological and molecular analyses. J. MOl. Diagn. 14, 458). [A] Multiplex PCR of 8 different genomic DNA fragments ranging from 22 to 955 bp. [B] Long-range PCR of a 5 kb genomic DNA fragment.|Twelve different PAXgene Tissue-fixed (PF) rat tissue types, including fibrous or fatty, DNA-rich and DNA-poor tissue, processed with the PAXgene Tissue DNA Kit on the QIAcube in one single run. DNA from each tissue type (300 ng) on agarose gel electrophoresis using 1% TBE buffered gels; M: markers.|Agarose gel electrophoresis from 3 sections (thickness 10 µm) each of 8 different PAXgene Tissue-fixed, paraffin-embedded (PFPE) rat tissue types processed in triplicate with the PAXgene Tissue DNA Kit on the QIAcube and manually. DNA from each replicate and tissue type (200 ng) on agarose gel electrophoresis using 1% TBE buffered gels; M: markers.|
Performance
Total DNA isolated with the PAXgene Tissue DNA Kit is highly pure. DNA has A260/A280 ratios of 1.7–1.9, and absorbance scans show a symmetrical peak at 260 nm confirming the high purity of genomic DNA. Contamination is minimal and purified DNA is ready to be used in downstream applications with no detectable inhibition of PCR (see High-quality DNA from PFPE tissue with preserved morphology and DNA without chemical modification can be used for demanding downstream applications).
Principle
The PAXgene Tissue DNA Kit enables purification of DNA from tissues fixed and stabilized using the PAXgene Fixation and Stabilization reagents, which preserve tissue morphology and biomolecule integrity by avoiding destructive crosslinking and degradation found in formalin-fixed tissues. The purified DNA has no inhibitory chemical modifications and thus, can be used in sensitive downstream applications.        
Procedure
PAXgene Tissue-fixed (PF) or PAXgene Tissue-fixed, paraffin-embedded (PFPE) tissue samples are lysed in Buffer TD1 with proteinase K. Conditions are adjusted for optimal binding of DNA to the silica membrane and the lysate is loaded on the PAXgene DNA spin column. DNA binds to the membrane while contaminants pass through. Enzyme inhibitors are effectively removed with subsequent washes and pure DNA is eluted in a low-salt elution buffer (see The PAXgene Tissue DNA procedure).

The PAXgene Tissue DNA Kit provides 2 protocols for purification of DNA from different starting materials: from sections of PFPE tissues and from PF tissue samples (without paraffin embedding).

Automation
DNA purification using the PAXgene Tissue DNA Kit can be uatomated on the QIAcube, enabling:

 

Two protocols are available for automated purification from different starting materials:
  • DNA from PFPE tissue sections, staring with pellets of 2–5 deparaffinized PFPE tissue sections
  • DNA from tissue samples fixed and stabilized in a PAXgene Tissue FIX Container, starting with lysates from up to 10 mg fixed and stabilized tissue, homogenized in lysis buffer TD1

Applications
The purified DNA is ready to use in a wide range of downstream applications, including:
  • PCR, multiplex, long-range and quantitative, real-time PCR
  • Southern blotting
  • SNP genotyping
  • Next-generation sequencing (NGS)
Feature
Specifications
Applications PCR and quantitative, real-time PCR, Southern blotting, pharmacogenomic studies, SNP discovery and SNP genotyping
Elution volume 14–40 µl
Format Spin column
Main sample type Human tissue
Processing Manual (centrifugation)
Sample amount 4 x 15 x 15 mm
Technology Silica technology
Time per run 30 min + 120 min incubation/8 samples
Yield Depends on tissue type and starting material (fixed or PFPE*)
* PAXgene Fixed Paraffin Embedded.

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Brochures & Guides
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Two worlds in one sample
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For isolation and purification of genomic DNA from tissue samples stabilized using the PAXgene Tissue System 

 


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Moving toward excellence and standardization in tissue collection and fixation

 


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Kit Handbooks
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For isolation and purification of genomic DNA from tissue samples stabilized in PAXgene Tissue Containers
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