Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
18
pubmed:dateCreated
1998-10-1
pubmed:abstractText
To investigate a possible involvement of metallothionein (MT) in chemical carcinogenesis, MT-I and MT-II gene-deficient [MT (-/-)] transgenic mice and wild-type [MT (+/+)] control mice were topically applied at a single dose of 100, 250, 500, or 1000 microg of 7,12-dimethylbenz[a]anthracene (DMBA) on the dorsal skin and thereafter compared. After 14 weeks of DMBA treatment, the skin tumor occurred in MT (-/-) mice only and in a dose-dependent manner, whereas no change was observed in MT (+/+) mouse skin given the same DMBA treatment. The tumor cells showed proliferative activity, as shown by proliferative cell nuclear antigen staining. These results demonstrate that MT acts as an endogenous defensive factor against DMBA-induced skin tumorigenesis.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
0008-5472
pubmed:author
pubmed:issnType
Print
pubmed:day
15
pubmed:volume
58
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
4044-6
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1998
pubmed:articleTitle
Metallothionein deficiency promotes mouse skin carcinogenesis induced by 7,12-dimethylbenz[a]anthracene.
pubmed:affiliation
Environmental Health Sciences Division, National Institute for Environmental Studies, Tsukuba, Ibaraki, Japan.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't