Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
16
pubmed:dateCreated
1995-9-7
pubmed:abstractText
We analyzed germline mutations of the BRCA1 gene in 18 Japanese breast cancer families and two Japanese breast-ovarian cancer families. In two site-specific breast cancer families, the same mutation was detected; a nonsense mutation at codon 63 encoding a truncated small protein. It was demonstrated that the mutant allele cosegregated with breast cancer patients within a family and was absent in healthy Japanese, suggesting a breast cancer-predisposing allele. The average age at diagnosis was 44 and 55 years in each family with BRCA1 mutation. No bilateral breast cancer patients were present in the BRCA1 mutation-positive families, although five were present in the BRCA1-negative families. No germline mutations of BRCA1 were detected in the two breast-ovarian cancer families examined in this study, although BRCA1 mutation plays a major role in breast-ovarian cancer families in Western countries. Thus, the proportion of families who inherit the mutated BRCA1 allele seems to be small among Japanese breast cancer families and Japanese breast-ovarian cancer families.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
0008-5472
pubmed:author
pubmed:issnType
Print
pubmed:day
15
pubmed:volume
55
pubmed:geneSymbol
BRCA1
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
3521-4
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1995
pubmed:articleTitle
Germline mutation of BRCA1 in Japanese breast cancer families.
pubmed:affiliation
Carcinogenesis Division, National Cancer Center Research Institute, Tokyo, Japan.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't