نتایج جستجو برای: chromosome 10q
تعداد نتایج: 119424 فیلتر نتایج به سال:
PURPOSE Recent studies have shown the prognostic significance of IDH1 mutations in glioma. It is yet unclear if IDH1 mutations are predictive for outcome to chemotherapy. We determined the effect of IDH1 mutations on progression-free survival and overall survival (OS), and its correlation with other clinical and molecular features in the prospective randomized European Organization for Research...
The genetic predisposition to addiction to opioids and other substances is transmitted as a complex genetic trait, which investigators are attempting to characterize using genetic linkage and association. We now report a high-density genome-wide linkage study of opioid dependence. We ascertained 305 DSM-IV opioid dependent affected sibling pairs from an ethnically mixed population of methadone ...
Glioblastoma (GBM) is considered by the WHO classification to represent the most malignant grade of the astrocytic tumors. However, a subset of GBM includes recognizable areas with oligodendroglial features, suggesting that some GBM may also have an oligodendroglial origin. The aim of this study was to analyze the molecular profile of GBM associated with an oligodendroglial component (GBMO). We...
A candidate tumor suppressor gene, MMAC1/PTEN, located in human chromosome band 10q23, was recently identified based on sequence alterations observed in several glioma, breast, prostate, and kidney tumor specimens or cell lines. To further investigate the mutational profile of this gene in human cancers, we examined a large set of human tumor specimens and cancer cell lines of many types for 10...
OBJECTIVE To identify the prognostic significance of TERT promoter mutations (TERTp-mut) and their associations with common molecular alterations in glioblastomas (GBMs). METHODS We sequenced the TERTp-mut in DNA from 395 GBMs and analyzed the results with their respective histology, genetic profile (IDH1 mutation, EGFR amplification, CDKN2A homozygous deletion, loss of chromosome 10, TP53 mu...
Frequent loss of heterozygosity (LOH) and mutations of the tumor suppressor gene PTEN (phosphatase and tensin homologue deleted from chromosome 10) have been found in sporadic gliomas. The most documented regions of allelic losses include 9p21, 10q23-25 and 17p1 3 whereas PTEN aberrations are preferentially found in glioblastoma multiformes. This research aimed to detect the incidence of alleli...
We previously reported a linkage region on chromosome 10q for age-at-onset (AAO) of Alzheimer (AD) and Parkinson (PD) diseases. Glutathione S-transferase, omega-1 (GSTO1) and the adjacent gene GSTO2, located in this linkage region, were then reported to associate with AAO of AD and PD. To examine whether GSTO1 and GSTO2 (hereafter referred to as GSTO1h) are responsible for the linkage evidence,...
Lung cancer is a serious health problem, since it is one of the leading causes for death worldwide. Molecular-cytogenetic studies could provide reliable data about genetic alterations which could be related to disease pathogenesis and be used for better prognosis and treatment strategies. We performed whole genome oligonucleotide microarray-based comparative genomic hybridization in 10 samples ...
Molecular genetics and biology have been having significant influence on the practice of neuro-oncology in recent years, with oligodendrogliomas being the most prominent example. The majority of oligodendrogliomas show remarkable sensitivity to chemotherapy, and the finding that the loss of chromosome 1p was tightly associated with the response opened a new era in which the treatment can be tai...
The high mutation rate in advanced brain tumors, recent functional studies, and the high frequency of mutations in prostate metastases all strongly suggest that PTEN/MMAC1 alterations are involved in the formation of metastases. We searched for genetic alterations in the PTEN/MMAC1 gene in 56 consecutive brain metastases from various primary tumors by loss of heterozygosity (LOH), direct sequen...
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