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PD CEN/TS 16827-3:2015

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Molecular in vitro diagnostic examinations. Specifications for pre-examination processes for FFPE tissue Isolated DNA
Available format(s)

Hardcopy , PDF

Superseded date

02-06-2019

Language(s)

English

Published date

08-31-2015

European foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General considerations
5 Outside the laboratory
6 Inside the laboratory
Annex A (informative) - Impact of the storage temperature
        on DNA Integrity in FFPE blocks of tissue
Bibliography

Provides recommendations for the handling, documentation and processing of FFPE tissue specimens intended for DNA analysis during the preanalytical phase before a molecular assay is performed.

This Technical Specification gives recommendations for the handling, documentation and processing of FFPE tissue specimens intended for DNA analysis during the preanalytical phase before a molecular assay is performed. This Technical Specification is applicable to molecular in vitro diagnostic examinations (e.g., in vitro diagnostic laboratories, laboratory customers, developers and manufacturers of in vitro diagnostics, institutions and commercial organizations performing biomedical research, biobanks, and regulatory authorities). DNA integrity in tissues can change before and during formalin fixation, processing and storage. Chemical modifications introduced into DNA during tissue fixation might lead to fragmentation and sequence alterations [1], changes in the methylation status or even structural changes which can lead to e.g., spurious copy number changes in array-CGH profiles [2]. These modifications of the DNA molecules can impact the validity and reliability of the analytical test results. Therefore, it is essential to take special measures to minimize the described modifications for subsequent DNA analysis.

Committee
CH/212
DocumentType
Standard
Pages
20
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

Standards Relationship
CEN/TS 16827-3:2015 Identical

ISO 22174:2005 Microbiology of food and animal feeding stuffs Polymerase chain reaction (PCR) for the detection of food-borne pathogens General requirements and definitions
ISO 15189:2012 Medical laboratories — Requirements for quality and competence
EN ISO 22174:2005 Microbiology of food and animal feeding stuffs - Polymerase chain reaction (PCR) for the detection of food-borne pathogens - General requirements and definitions (ISO 22174:2005)
ISO 15190:2003 Medical laboratories Requirements for safety
ISO Guide 30:2015 Reference materials Selected terms and definitions

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