Linked Life Data

414834

Source:http://linkedlifedata.com/resource/pubmed/id/414834

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1978-4-26
pubmed:abstractText
Insulin and estrogen binding have been determined in 7,12-dimethylbenz(a)anthracene-induced mammary tumors of rats in various endocrine states. Hormonal therapy, such as diabetes and ovariectomy, resulted in differential effects on growth patterns and hormone binding of tumors coexisting in the same host or in different hosts. It was observed that tumors that continued to grow after the host was made diabetic (insulin independent) or started to regress after ovariectomy (ovarian dependent) demonstrated decreased insulin binding. Tumors that regressed in diabetic hosts (insulin dependent) or continued to grow in ovariectomized animals (ovarian independent) showed an increased insulin-binding capacity. No significant change in insulin binding was observed in tumors that remained static after ovariectomy or induction of diabetes. Estrogen binding in tumor cells from diabetic rats paralleled the pattern of tumor growth response to diabetes; insulin-independent tumors demonstrated a significant increase in binding compared to tumors from intact hosts, and insulin-dependent tumors showed decreased estrogen receptor levels. From these results, we conclude that (a) insulin plays a positive role in regulating estrogen-binding capacity, (b) ovarian hormones may play a role in regulating insulin-binding capacity, and (c) a relationship between insulin and ovarian hormones and the growth of 7,12-dimethylbenz(a)anthracene-induced tumors is strongly suggested and may have therapeutic implications.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Mar
pubmed:issn
0008-5472
pubmed:author
pubmed:issnType
Print
pubmed:volume
38
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
759-64
pubmed:dateRevised
2009-11-19
pubmed:meshHeading
pubmed:year
1978
pubmed:articleTitle
Relationship between insulin and estrogen binding to growth response in 7,12-dimethylbenz(a)anthracene-induced rat mammary tumors.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S.