Linked Life Data

10398423

Source:http://linkedlifedata.com/resource/pubmed/id/10398423

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
1999-8-5
pubmed:abstractText
It is unclear whether ovarian borderline tumors (tumors of low malignant potential) are independent entities or whether they are part of a continuum of tumor progression that culminates in ovarian carcinoma. Little is known about genetic abnormalities in borderline tumors because of the difficulty of growing them in culture for chromosome studies, and because the low ratio of tumor to nontumor cells can interfere with molecular genetic examination. To circumvent these problems, we performed comparative genomic hybridization (CGH) on 10 serous borderline tumors from nine patients, using microdissection to enrich the samples for tumor DNA and reduce contamination from stromal and inflammatory cells. CGH analysis revealed that three of the tumors had detectable chromosomal imbalances, whereas seven were in a balanced state. In those tumors with imbalances, the number of abnormalities ranged from 3-6 per tumor. Additional studies by fluorescence in situ hybridization (FISH) on disaggregated nuclei confirmed the imbalances detected by CGH, revealed one tumor to be hypertriploid, and indicated that the remaining tumors were diploid and in a balanced state. All abnormalities observed in the aneuploid cases are consistent with chromosomal aberrations previously reported for ovarian carinomas, providing further evidence that some borderline tumors are part of a continuum of tumor progression. These results also suggest that there may be different mechanisms leading to borderline tumor formation, including one associated with multiple chromosomal imbalances, and others that do not involve imbalances detectable by CGH. Genes Chromosomes Cancer 25:307-315, 1999.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
1045-2257
pubmed:author
pubmed:copyrightInfo
Copyright 1999 Wiley-Liss, Inc.
pubmed:issnType
Print
pubmed:volume
25
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
307-15
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1999
pubmed:articleTitle
Analysis of ovarian borderline tumors using comparative genomic hybridization and fluorescence in situ hybridization.
pubmed:affiliation
Department of Genetics and Center for Human Genetics, Case Western Reserve University and University Hospitals of Cleveland, Ohio 44124, USA.
pubmed:publicationType
Journal Article, Comparative Study, Research Support, U.S. Gov't, P.H.S., Research Support, Non-U.S. Gov't