Linked Life Data

1688847

Source:http://linkedlifedata.com/resource/pubmed/id/1688847

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
1990-3-7
pubmed:abstractText
Cis-acting elements involved in the control of rat alpha-fetoprotein gene expression in the liver and its modulation by glucocorticoid hormones were detected after transfection of chloramphenicol acetyltransferase constructs and their transient expression into two hepatoma cell lines. The proximal promoter region (-324 to -15) was found to contain all the information necessary for tissue-specific expression. It is also involved in the negative gene modulation by glucocorticoids and includes an activating regulatory domain allowing efficient expression in the HepG2 cells. Three regions within 7 kilobase pairs of the 5' extragenic sequences are capable of stimulating the chloramphenicol acetyltransferase activity driven by the alpha-fetoprotein promoter sequence. One of these regions, at about -2.5 kilobase pairs, contains a short indivisible 170-base pair DNA element that fulfills all the criteria of a tissue-specific enhancer, i.e. orientation and position independence, as well as cell-specific stimulation of gene expression driven by a homologous or heterologous promoter. The enhancing properties of this element are totally abolished by glucocorticoids. DNase I footprinting experiments indicate that several rat liver nuclear proteins interact with this enhancer element.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0021-9258
pubmed:author
pubmed:issnType
Print
pubmed:day
5
pubmed:volume
265
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
2137-41
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
1990
pubmed:articleTitle
Regulation of the rat alpha-fetoprotein gene expression in liver. Both the promoter region and an enhancer element are liver-specific and negatively modulated by dexamethasone.
pubmed:affiliation
Laboratoire d'Enzymologie du Centre National de la Recherche Scientifique, Gif-sur-Yvette, France.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't