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2015 ; 7
(ä): 112
Nephropedia Template TP
gab.com Text
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English Wikipedia
The Cancer Genome Atlas Clinical Explorer: a web and mobile interface for
identifying clinical-genomic driver associations
#MMPMID26507825
Lee H
; Palm J
; Grimes SM
; Ji HP
Genome Med
2015[Oct]; 7
(ä): 112
PMID26507825
show ga
BACKGROUND: The Cancer Genome Atlas (TCGA) project has generated genomic data
sets covering over 20 malignancies. These data provide valuable insights into the
underlying genetic and genomic basis of cancer. However, exploring the
relationship among TCGA genomic results and clinical phenotype remains a
challenge, particularly for individuals lacking formal bioinformatics training.
Overcoming this hurdle is an important step toward the wider clinical translation
of cancer genomic/proteomic data and implementation of precision cancer medicine.
Several websites such as the cBio portal or University of California Santa Cruz
genome browser make TCGA data accessible but lack interactive features for
querying clinically relevant phenotypic associations with cancer drivers. To
enable exploration of the clinical-genomic driver associations from TCGA data, we
developed the Cancer Genome Atlas Clinical Explorer. DESCRIPTION: The Cancer
Genome Atlas Clinical Explorer interface provides a straightforward platform to
query TCGA data using one of the following methods: (1) searching for clinically
relevant genes, micro RNAs, and proteins by name, cancer types, or clinical
parameters; (2) searching for genomic/proteomic profile changes by clinical
parameters in a cancer type; or (3) testing two-hit hypotheses. SQL queries run
in the background and results are displayed on our portal in an easy-to-navigate
interface according to user's input. To derive these associations, we relied on
elastic-net estimates of optimal multiple linear regularized regression and
clinical parameters in the space of multiple genomic/proteomic features provided
by TCGA data. Moreover, we identified and ranked gene/micro RNA/protein
predictors of each clinical parameter for each cancer. The robustness of the
results was estimated by bootstrapping. Overall, we identify associations of
potential clinical relevance among genes/micro RNAs/proteins using our
statistical analysis from 25 cancer types and 18 clinical parameters that include
clinical stage or smoking history. CONCLUSION: The Cancer Genome Atlas Clinical
Explorer enables the cancer research community and others to explore clinically
relevant associations inferred from TCGA data. With its accessible web and mobile
interface, users can examine queries and test hypothesis regarding
genomic/proteomic alterations across a broad spectrum of malignancies.