In:
PLOS Computational Biology, Public Library of Science (PLoS), Vol. 17, No. 6 ( 2021-6-1), p. e1009044-
Kurzfassung:
Existing studies have demonstrated that dysregulation of microRNAs (miRNAs or miRs) is involved in the initiation and progression of cancer. Many efforts have been devoted to identify microRNAs as potential biomarkers for cancer diagnosis, prognosis and therapeutic targets. With the rapid development of miRNA sequencing technology, a vast amount of miRNA expression data for multiple cancers has been collected. These invaluable data repositories provide new paradigms to explore the relationship between miRNAs and cancer. Thus, there is an urgent need to explore the complex cancer-related miRNA-gene patterns by integrating multi-omics data in a pan-cancer paradigm. In this study, we present a tensor sparse canonical correlation analysis (TSCCA) method for identifying cancer-related miRNA-gene modules across multiple cancers. TSCCA is able to overcome the drawbacks of existing solutions and capture both the cancer-shared and specific miRNA-gene co-expressed modules with better biological interpretations. We comprehensively evaluate the performance of TSCCA using a set of simulated data and matched miRNA/gene expression data across 33 cancer types from the TCGA database. We uncover several dysfunctional miRNA-gene modules with important biological functions and statistical significance. These modules can advance our understanding of miRNA regulatory mechanisms of cancer and provide insights into miRNA-based treatments for cancer.
Materialart:
Online-Ressource
ISSN:
1553-7358
DOI:
10.1371/journal.pcbi.1009044
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10.1371/journal.pcbi.1009044.g001
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10.1371/journal.pcbi.1009044.g002
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10.1371/journal.pcbi.1009044.g003
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10.1371/journal.pcbi.1009044.s001
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10.1371/journal.pcbi.1009044.r001
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10.1371/journal.pcbi.1009044.r003
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10.1371/journal.pcbi.1009044.r004
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10.1371/journal.pcbi.1009044.r005
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10.1371/journal.pcbi.1009044.r006
Sprache:
Englisch
Verlag:
Public Library of Science (PLoS)
Publikationsdatum:
2021
ZDB Id:
2193340-6
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