High frequency of mitochondrial genome instability in human endometrial carcinomas
نویسندگان
چکیده
منابع مشابه
Frequency and prognostic impact of microsatellite instability in a large population-based study of endometrial carcinomas.
The replication error repair (RER) phenotype has been reported in 9-43% of sporadic endometrial carcinomas, but there are conflicting data about its effect on prognosis in this disease. This study was performed to establish the frequency of the RER phenotype and to determine its effect on prognosis in a population-based series of 259 endometrial carcinomas with long-term follow-up. Five mononuc...
متن کاملNuclear and mitochondrial genome instability in human breast cancer.
We analyzed 40 pairs of breast normal/cancer tissues for the presence of mitochondrial (mt) genome instability and nuclear MSI in tumor cells. As mt, markers we used a (CA)n mt microsatellite (MS) starting at the 514-bp position of the D loop region and 4 informative MnlI sites located between the 16,108- and 16,420-bp positions of the D loop region. Nuclear microsatallite instability (MSI) was...
متن کاملMitochondrial genome microsatellite instability and copy number alteration in lung carcinomas.
OBJECTIVE Mitochondrial DNA (mtDNA) is considered a hotspot of mutations in various tumors. However, the relationship between microsatellite instability (MSI) and mtDNA copy number alterations in lung cancer has yet to be fully clarifieds. In the current study, we investigated the copy number and MSI of mitochondrial genome in lung carcinomas, as well as their significance for cancer developmen...
متن کاملThe high frequency of de novo promoter methylation in synchronous primary endometrial and ovarian carcinomas.
PURPOSE The methylation status of hMLH1, CDKN2A, and MGMT was investigated in a panel of synchronous cancers of the ovary and endometrium, fulfilling the clinicopathologic criteria for independent primary tumors to define the possible role of epigenetic mechanisms in the development of these cancers. EXPERIMENTAL DESIGN Bisulfite-converted DNA from 31 tumors (13 endometrial and 18 ovarian car...
متن کاملBeta-catenin mutations are specific for colorectal carcinomas with microsatellite instability but occur in endometrial carcinomas irrespective of mutator pathway.
Some colorectal tumors with wild-type adenomatous polyposis coli gene have activating mutations in beta-catenin (encoded by CTNNB1) that result in decreased phosphorylation by GSK-3beta and increased signaling through the Tcf/Lef transcription factors. To investigate the relationship between CTNNB1 mutations and underlying pathways of genomic instability, we examined 80 colorectal cancers strat...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: British Journal of Cancer
سال: 2003
ISSN: 0007-0920,1532-1827
DOI: 10.1038/sj.bjc.6601110