The DOI matches its Crossref record; 12 of the 12 references it cites were found in a registry or an index.
Opening the archives for state of the art tumour genetic research: sample processing for array-CGH using decalcified, formalin-fixed, paraffin-embedded tissue-derived DNA samples
Open accessAbstract
BACKGROUND: Molecular genetic studies on rare tumour entities, such as bone tumours, often require the use of decalcified, formalin-fixed, paraffin-embedded tissue (dFFPE) samples. Regardless of which decalcification procedure is used, this introduces a vast breakdown of DNA that precludes the possibility of further molecular genetic testing. We set out to establish a robust protocol that would overcome these intrinsic hurdles for bone tumour research. FINDINGS: The goal of our study was to establish a protocol, using a modified DNA isolation procedure and quality controls, to select decalcified samples suitable for array-CGH testing. Archival paraffin blocks were obtained from 9 different pathology departments throughout Europe, using different fixation, embedding and decalcification procedures, in order to preclude a bias for certain lab protocols. Isolated DNA samples were subjected to direct chemical labelling and enzymatic labelling systems and were hybridised on a high resolution oligonucleotide chip containing 44,000 reporter elements.Genomic alterations (gains and losses) were readily detected in most of the samples analysed. For example, both homozygous deletions of 0.6 Mb and high level of amplifications of 0.7 Mb were identified. CONCLUSIONS: We established a robust protocol for molecular genetic testing of dFFPE derived DNA, irrespective of fixation, decalcification or sample type used. This approach may greatly facilitate further genetic testing on rare tumour entities where archival decalcified, formalin fixed samples are the only source.
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Self-citationA multiplex PCR predictor for aCGH success of FFPE samples
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Metadata
- Authors
- de Jong, D., Verbeke, S. L., Meijer, D., Hogendoorn, P. C., Bovee, J. V., & Szuhai, K.
- Venue
- BMC Research Notes
- Published
- 2011-01-04
- Volume
- 4
- Issue
- 1
- Pages
- 1-1
- ISSN
- 1756-0500 (ISSN-L)
- OpenAlex
- W1982466085
- Cited by
- 259
- References
- 12
- FWCI
- 7.86
- Type
- journal article
- Language
- en
- Open access
- gold
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- de Jong, D., Verbeke, S. L., Meijer, D., Hogendoorn, P. C., Bovee, J. V., & Szuhai, K. (2011). Opening the archives for state of the art tumour genetic research: sample processing for array-CGH using decalcified, formalin-fixed, paraffin-embedded tissue-derived DNA samples. BMC Research Notes. https://doi.org/10.1186/1756-0500-4-1
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