Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
2010-3-3
pubmed:abstractText
MicroRNAs (miRNAs) are short regulatory RNAs that negatively modulate protein expression at a post-transcriptional level. Emerging evidence suggests that miRNAs play important roles in the pathogenesis of several types of cancers. However, the further mechanisms of miRNA remain unknown. In this study, we aimed to explore the coordinated function of miR-221/222 in glioma by bioinformatics and experiment methods. Bioinformatics analysis revealed that miR-221/222 had the potential to regulate about 70 common target genes and may exert a cooperative effect on regulation and function via Akt signaling pathway. Overexpression of miR-221/222 increased glioma cell proliferation and invasion in vitro and induced glioma growth in a subcutaneous mouse model. Furthermore, miR-221/222 overexpression resulted in an obvious activation of p-Akt and significant changes of Akt-related gene expression in glioma cells. Our results suggest that miR-221/222 co-enhance the glioma malignant phenotype via activation of the Akt pathway mediated by regulation of common gene expression.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
1791-2423
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
36
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
913-20
pubmed:meshHeading
pubmed-meshheading:20198336-Animals, pubmed-meshheading:20198336-Brain Neoplasms, pubmed-meshheading:20198336-Cell Line, Tumor, pubmed-meshheading:20198336-Cell Proliferation, pubmed-meshheading:20198336-Computational Biology, pubmed-meshheading:20198336-Databases, Genetic, pubmed-meshheading:20198336-Enzyme Activation, pubmed-meshheading:20198336-Gene Expression Regulation, Neoplastic, pubmed-meshheading:20198336-Gene Regulatory Networks, pubmed-meshheading:20198336-Genotype, pubmed-meshheading:20198336-Glioma, pubmed-meshheading:20198336-Humans, pubmed-meshheading:20198336-Mice, pubmed-meshheading:20198336-Mice, Inbred BALB C, pubmed-meshheading:20198336-Mice, Nude, pubmed-meshheading:20198336-MicroRNAs, pubmed-meshheading:20198336-Neoplasm Invasiveness, pubmed-meshheading:20198336-Neoplasm Transplantation, pubmed-meshheading:20198336-Phenotype, pubmed-meshheading:20198336-Proto-Oncogene Proteins c-akt, pubmed-meshheading:20198336-Rats, pubmed-meshheading:20198336-Signal Transduction, pubmed-meshheading:20198336-Time Factors, pubmed-meshheading:20198336-Transduction, Genetic, pubmed-meshheading:20198336-Tumor Burden
pubmed:year
2010
pubmed:articleTitle
miR-221/222 promote malignant progression of glioma through activation of the Akt pathway.
pubmed:affiliation
Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, P.R. China.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't