Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
8
pubmed:dateCreated
2000-3-30
pubmed:abstractText
The growth factor transforming growth factor alpha (TGFalpha) and the nuclear transcription factor c-myc often are overexpressed by human breast cancer cells. To produce models of breast disease with these etiologies, mice were generated that carried TGF-alpha- or c-myc-encoding transgenes. Transgene targeting employed the whey acidic protein (WAP) gene promoter, which is expressed in pregnant and lactating mammary epithelial cells. Non-virgin WAP-TGFalpha transgenic mice displayed accelerated mammary development during pregnancy, delayed post-parturient mammary involution, a progressive increase in the number of hyperplastic alveolar nodules (HANs), and development of mammary carcinoma with a mean latency of 9 months. Non-virgin WAP-c-myc transgenic mice displayed accelerated mammary gland development during pregnancy and development of mammary carcinomas with a latency of 8 months. Bitransgenic mice carrying both WAP-TGFalpha and WAP-c-myc displayed a dramatic acceleration of tumor development. These models identify the overexpression of TGFalpha or c-myc as etiological factors in the development of mammary neoplasia and demonstrate the increased severity of disease when both molecular alterations are present in the same cell.
pubmed:grant
pubmed:commentsCorrections
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0950-9232
pubmed:author
pubmed:issnType
Print
pubmed:day
21
pubmed:volume
19
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1092-6
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
2000
pubmed:articleTitle
Transforming growth factor alpha- and c-myc-induced mammary carcinogenesis in transgenic mice.
pubmed:affiliation
Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, 2015 Linden Drive West, Madison, Wisconsin, WI 53706, USA.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Review