Linked Life Data

8397164

Source:http://linkedlifedata.com/resource/pubmed/id/8397164

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1993-10-21
pubmed:abstractText
The prognostic significance of cathepsin-D expression was evaluated by immunohistochemistry in 638 node-positive breast carcinomas diagnosed between 1980 and 1986. A minimum of 2.5 years of follow-up was available for each patient (maximum: 9.5 years). Cathepsin-D expression was assessed separately both in cancer and in stromal cells using a commercially available polyclonal antibody. While cancer-cell immunostaining was not associated with prognosis, positive staining of stromal elements was related to shorter metastasis-free survival. The difference in distant metastasis-free survival between positive and negative expressors was greatest in the sub-group of patients submitted to adjuvant chemotherapy, with a hazard ratio for occurrence of distant metastasis of 1.76 by multivariate analysis, but was lowest for those receiving hormone therapy. Cathepsin-D expression by stromal cells was related to HER-2/neu oncoprotein expression, HSP-27 expression, poor nuclear grade, aneuploidy, and absence of estrogen and progesterone receptors. No association was found with the number of involved lymph nodes, tumor size, age, histologic grade, S-phase fraction, or vascular invasion. Our study suggests that cathepsin-D expression by stromal cells (and not by cancer cells) affects the prognosis of breast cancer, that stromal cells probably play a key role in local invasion and metastatic dissemination of the tumor, and that the prognostic significance of cathepsin-D expression may vary according to the type of adjuvant therapy.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
0020-7136
pubmed:author
pubmed:issnType
Print
pubmed:day
30
pubmed:volume
55
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
429-35
pubmed:dateRevised
2007-7-24
pubmed:meshHeading
pubmed:year
1993
pubmed:articleTitle
Prognostic significance of cathepsin-D expression in node-positive breast carcinoma: an immunohistochemical study.
pubmed:affiliation
Department of Pathology, Université Laval, L'Hôtel-Dieu de Québec, Canada.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't