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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Green, Michael R. Aya-Bonilla, Carlos Gandhi, Maher K. Lea, Rod A. Wellwood, Jeremy Wood, Peter Marlton, Paula Griffiths, Lyn R. |
| Description | Country affiliation: Australia Author Affiliation: Green MR ( Genomics Research Centre, Griffith Health Institute, Griffith University, QLD, Australia.) |
| Abstract | Recent developments in genomic technologies have resulted in increased understanding of pathogenic mechanisms and emphasized the importance of central survival pathways. Here, we use a novel bioinformatic based integrative genomic profiling approach to elucidate conserved mechanisms of lymphomagenesis in the three commonest non-Hodgkin's lymphoma (NHL) entities: diffuse large B-cell lymphoma, follicular lymphoma, and B-cell chronic lymphocytic leukemia. By integrating genome-wide DNA copy number analysis and transcriptome profiling of tumor cohorts, we identified genetic lesions present in each entity and highlighted their likely target genes. This revealed a significant enrichment of components of both the apoptosis pathway and the mitogen activated protein kinase pathway, including amplification of the MAP3K12 locus in all three entities, within the set of genes targeted by genetic alterations in these diseases. Furthermore, amplification of 12p13.33 was identified in all three entities and found to target the FOXM1 oncogene. Amplification of FOXM1 was subsequently found to be associated with an increased MYC oncogenic signaling signature, and siRNA-mediated knock-down of FOXM1 resulted in decreased MYC expression and induced G2 arrest. Together, these findings underscore genetic alteration of the MAPK and apoptosis pathways, and genetic amplification of FOXM1 as conserved mechanisms of lymphomagenesis in common NHL entities. Integrative genomic profiling identifies common central survival mechanisms and highlights them as attractive targets for directed therapy. |
| File Format | HTM / HTML |
| ISSN | 10452257 |
| Issue Number | 5 |
| Volume Number | 50 |
| e-ISSN | 10982264 |
| Journal | Genes, Chromosomes and Cancer |
| Language | English |
| Publisher | Wiley-Liss |
| Publisher Date | 2011-05-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Molecular Biology Discipline Oncology Lymphoma, Non-hodgkin Genetics Animals Apoptosis Cohort Studies Computational Biology Methods Dna Copy Number Variations Forkhead Transcription Factors Metabolism G2 Phase Gene Expression Profiling Genes, Myc Genome Humans Pathology Map Kinase Kinase Kinases Mitogen-activated Protein Kinases S Phase Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Cancer Research |
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