Structural and copy number chromosome abnormalities in canine cutaneous mast cell tumours
Jazyk angličtina Země Anglie, Velká Británie Médium print-electronic
Typ dokumentu časopisecké články
Grantová podpora
16-26655S
Grantová Agentura České Republiky
RO 0516
Ministerstvo Zemědělství
CEITEC 2020 LQ1601
Ministerstvo Školství, Mládeže a Tělovýchovy
PubMed
30284681
DOI
10.1007/s13353-018-0471-4
PII: 10.1007/s13353-018-0471-4
Knihovny.cz E-zdroje
- Klíčová slova
- Cancer, Chromosome, Chromosome rearrangement, Copy number variant, Dog, Mast cell tumour, Monosomy, Trisomy,
- MeSH
- chromozomální aberace * MeSH
- hybridizace in situ fluorescenční MeSH
- malování chromozomů MeSH
- mastocyty patologie MeSH
- nádory kůže genetika veterinární MeSH
- nemoci psů genetika MeSH
- psi MeSH
- zvířata MeSH
- Check Tag
- mužské pohlaví MeSH
- psi MeSH
- ženské pohlaví MeSH
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
Mast cell tumours (MCTs) are the most common skin tumours in dogs. Their clinical behaviour is variable and their aetiology remains largely unknown. We performed a metaphase fluorescence in situ hybridisation (FISH) with whole chromosome painting probes, and interphase FISH with BAC probes for 14 cancer-related genes to reveal clonal structural chromosome rearrangements and copy number variants (CNVs) in canine cutaneous MCTs. The metaphase FISH performed in three MCTs revealed several clonal monosomies and trisomies and two different chromosome rearrangements. No centric fusions were detected. The interphase FISH showed a variety of low frequency CNVs for the individual cancer-related genes. The heterogeneous character of the detected abnormalities indicates increased chromosome instability in canine MCTs. The clonal gain of chromosome 11 was detected in 81% (13/16) of the MCTs. Further research is needed to evaluate the significance of this abnormality as prognostic factor for the survival time or recurrence risk assessments in canine cutaneous MCTs.
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