Linked Life Data

4053048

Source:http://linkedlifedata.com/resource/pubmed/id/4053048

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
11 Pt 2
pubmed:dateCreated
1985-11-29
pubmed:abstractText
The DNA content of murine fibrosarcoma cell lines of various metastatic potential was the subject of the current investigation. The cell lines were derived from methylcholanthrene-induced tumors as described previously (J. Varani et al., J. Natl. Cancer Inst., 71: 1281-1287, 1983). Cells were maintained in vitro and used for DNA studies no more than 48 h after passage. DNA staining was accomplished using propidium iodide and flow cytometry was used to quantitate relative amounts of DNA. Trout and chicken erythrocytes and mouse thymocytes were used as internal DNA standards for each cell line. DNA indices were calculated as the ratio of the G0-G1 peak channel number of the tumor cells to the G0-G1 peak channel number of the thymocytes. Manual chromosome counts were also obtained from each cell line using Giemsa-stained preparations. All cell lines demonstrated a single aneuploid population. The two tumor lines with the highest metastatic potential were slightly hyperdiploid whereas three low metastatic lines were near tetraploid. A sixth line of moderate metastatic potential was also found to be near tetraploid. Chromosome counts and flow cytometric analyses were in close agreement indicating that DNA content was largely due to chromosome replication. These data suggest that, in this model, metastatic potential and DNA content are inversely related once diploidy is exceeded.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0008-5472
pubmed:author
pubmed:issnType
Print
pubmed:volume
45
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
5757-61
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1985
pubmed:articleTitle
DNA content of murine fibrosarcoma cell lines with varying metastatic potential.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S.