Linked Life Data

7694424

Source:http://linkedlifedata.com/resource/pubmed/id/7694424

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
1993-12-2
pubmed:abstractText
Neuroendocrine differentiation is a frequent occurrence in common prostatic adenocarcinomas and may have prognostic implications in prostatic malignancies. In the present study, we used immunohistochemical double label methods to evaluate the nuclear androgen receptor (AR) status in endocrine-paracrine (EP) cells of normal, hyperplastic, and neoplastic prostate including tumours that recurred after hormonal and radiation therapy. In normal and hyperplastic glands, EP cells characterized by the panendocrine marker chromogranin A (Chr A) did not reveal AR-positivity. This may indicate that prostatic EP cells represent an androgen-independent cell population whose regulatory functions are not influenced by circulating androgens. Unequivocal co-expression of Chr A and AR was very rarely detected in subsets of endocrine differentiated tumour cells in treated and untreated specimens. The widespread absence of nuclear AR in neuroendocrine tumour cells suggests that this phenotype belongs to those cell clones in prostate cancer which are initially androgen-independent and refractory to hormonal therapy.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0174-7398
pubmed:author
pubmed:issnType
Print
pubmed:volume
423
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
291-4
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1993
pubmed:articleTitle
Androgen receptor status in endocrine-paracrine cell types of the normal, hyperplastic, and neoplastic human prostate.
pubmed:affiliation
Institute of Pathology, University of the Saarland, Homburg/Saar, Germany.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't