Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1999-3-16
pubmed:abstractText
This study investigates the chromosomal alterations involved in the acquisition of PALA resistance of LoVo colorectal cancer cells homozygous for wild-type TP53 before and after transfection with a 143Ala-mutated TP53 gene. PALA resistance was always associated with an increased number of CAD gene copies, but gene amplification sensu stricto was rarely observed. Interestingly, distinct chromosome patterns were found in relation to the TP53 status of the cells. In parental LoVo cells, the CAD copy number was increased through gains of normal chromosome 2 whereas in transfectant clones, resistance mostly occurred through chromosome rearrangements. The relationship with the two different cytogenetic patterns described in colorectal tumors is discussed.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jan
pubmed:issn
0950-9232
pubmed:author
pubmed:issnType
Print
pubmed:day
21
pubmed:volume
18
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
775-81
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1999
pubmed:articleTitle
Distinct chromosomal alterations associated with TP53 status of LoVo cells under PALA selective pressure: a parallel with cytogenetic pathways of colorectal cancers.
pubmed:affiliation
Laboratoire de Cytogénétique Moléculaire et Oncologie, UMR 147 CNRS, Institut Curie, Paris, France.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't