Background
Methods
Cell lines and drug sensitivity profiling
Gene Expression Profiling
Real-time quantitative RT-PCR
RNAi knockdown of MLL expression
Cellular assays
Results
MLL mRNA Expression and GC resistance in T-ALL Cell Lines
Biological features of MLL expression in T-ALL
Gene Set | Description of Biological Pathway | FDR * |
---|---|---|
Electron_transport_chain | Electron transport chain | 0.137 |
Glycolysis_gluconeogenesis | Glycolysis and gluconeogenesis | 0.142 |
Peng_leucine_down | Down-regulated in response to leucine starvation | 0.145 |
RNA_transcription_reactome | RNA transcription reactome | 0.145 |
Mitochondria | Mitochondrial genes | 0.148 |
Aminoacyl_tRNA_biosynthesis | Amino-acyl tRNA biosynthesis | 0.151 |
Human_mitodb_6_2002 | Mitochondrial genes | 0.152 |
Hdaci_colon_cur24hrs_up | Genes upregulated by curcumin, transcription inhibitor | 0.156 |
Hdaci_colon_cur48hrs_up | Genes upregulated by curcumin, transcription inhibitor | 0.163 |
Myc_huvec_sage_array_up | Genes up-regulated by myc | 0.176 |
Peng_rapamycin_down | Down-regulated in response to rapamycin | 0.183 |
Oxidative_phosphorylation | Oxidative phosphorylation | 0.190 |
tRNA_synthetases | tRNA synthetases | 0.192 |
Proteasome_pathway | Proteasomal pathway genes | 0.200 |
Peng_glutamine_down | Down-regulated in response to glutamine starvation | 0.203 |
Krebs_TCA_cycle | Krebs (TCA) cycle genes | 0.204 |
Proteasome | Proteasome genes | 0.238 |
Gene Set | Description of Network Hub Genes and Associated Functions | FDR * |
---|---|---|
MORF_PRDX3 | Peroxiredoxin 3 - MYC-mediated proliferation, glucose responses | 0.132 |
MORF_SOD1 | Superoxide dismutase 1 - mitochondria, oxidative metabolism | 0.135 |
MORF_MAP2K2 | MAP2K2 - ERK, JNK, p38, NFkB, and apoptosis pathways | 0.138 |
MORF_PTPN11 | Protein tyrosine phosphatase, cell growth, differentiation, metabolism | 0.140 |
GNF2_RAN | RAS oncogene family - cell cycle, mitotic spindle regulation | 0.143 |
MORF_GMPS | Guanine monphosphate synthetase - purine synthesis, cell cycle | 0.146 |
MORF_DEAF1 | DEAF1 or supressin, inhibitor of proliferation | 0.152 |
MORF_ERH | Enhancer of rudimentary homolog - cell cycle regulator | 0.155 |
GNF2_NS | Nucleostemin - cell cycle progression in stem cells, links with p53 | 0.158 |
MORF_GPX4 | Glutathione peroxidase 4 - cellular antioxidant defence | 0.159 |
MORF_AATF | Apoptosis antagonizing transcription factor | 0.160 |
MORF_EIF3S2 | EIF3S2 - eukaryotic translation initiation factor | 0.164 |
MORF_ATOX1 | ATX1 antioxidant protein 1 homolog - antioxidant defense | 0.165 |
MORF_EI24 | Etoposide induced mRNA - early p53 response gene | 0.166 |
MORF_PSMC1 | Proteasome 26S subunit, ATPase | 0.173 |
MORF_RAN | RAS oncogene family - cell cycle, mitotic spindle regulation | 0.179 |
MORF_RAB5A | Ras-associated protein - exocytosis, actin organisation | 0.180 |
MORF_UNG | Uracil-DNA glycosylase - base-excision DNA repair pathway | 0.182 |
MORF_FBL | Fibrillarin - component of snRNP synthesis of ribosomal RNA | 0.203 |
GCM_MAX | Myc-associated factor X - transcriptional regulator | 0.224 |
MLL-Translocation Partner Genes Correlate with MLL Expression
Probe Set | Gene Title | Symbol | Chr | MPRED | DEX* |
---|---|---|---|---|---|
220773_s_at | Gephyrin |
GPHN
| 14q23.3 |
0.915
|
0.670
|
212186_at | Acetyl-CoA carboxylase alpha |
ACACA
| 17q21 |
0.767
|
0.558
|
214431_at | Guanine monphosphate synthetase |
GMPS
| 3q24 |
0.754
| 0.505 |
218774_at | Decapping enzyme, scavenger |
DCPS
| 11q24.2 |
0.637
|
0.744
|
204096_s_at | Elongation factor RNA pol II |
ELL
| 19p13.1 |
0.581
|
0.779
|
202821_s_at | LIM domain containing preferred translocation partner in lipoma |
LPP
| 3q28 |
0.577
| 0.418 |
214358_at | Acetyl-CoA carboxylase alpha |
ACACA
| 17q21 |
0.569
| 0.197 |
216506_x_at | MLL (trithorax homolog, Drosophila); translocated to, 10 |
MLLT10/AF10
| 10p12 |
0.560
| 0.293 |
200713_s_at | Microtubule-associated protein, RP/EB family, member 1 |
MAPRE1
| 20q11.1-11.23 |
0.560
|
0.542
|
211808_s_at | CREB binding protein (Rubinstein-Taybi syndrome) |
CREBBP
| 16p13.3 |
0.558
| 0.470 |
215578_at | Gephyrin |
GPHN
| 14q23.3 |
0.526
| 0.473 |
209768_s_at | SEPT5 |
SEPT5/PNUTL
| 22q11.21 |
0.519
| 0.229 |
216503_s_at | MLL (trithorax homolog, Drosophila); translocated to, 10 |
MLLT10/AF10
| 10p12 |
0.516
| 0.307 |
211067_s_at | Growth arrest-specific 7 |
GAS7
| 17p13.1 | -0.300 |
-0.541
|
210872_x_at | Growth arrest-specific 7 |
GAS7
| 17p13.1 | -0.334 |
-0.580
|
202191_s_at | Growth arrest-specific 7 |
GAS7
| 17p13.1 | -0.385 |
-0.624
|
202192_s_at | Growth arrest-specific 7 |
GAS7
| 17p13.1 | -0.417 |
-0.589
|
202221_s_at | E1A binding protein p300 |
EP300
| 22q13.2 |
-0.542
| -0.315 |
212288_at | Formin binding protein 1 |
FNBP1
| 9q34 |
-0.575
|
-0.624
|
209027_s_at | Abl-interactor 1 |
ABI1
| 10p11.2 |
-0.580
| -0.417 |
205068_s_at | Rho GTPase activating protein 26 |
ARHGAP26
| 5q31 |
-0.607
|
-0.661
|
209028_s_at | Abl-interactor 1 |
ABI1
| 10p11.2 |
-0.608
| -0.472 |
214298_x_at | Septin 6 |
SEPT6
| Xq24 |
-0.615
| -0.386 |
201924_at | MLLT2 |
MLLT2/AF4
| 4q21 |
-0.660
|
-0.671
|
206607_at | Cas-Br-M (murine) ecotropic retroviral transforming sequence |
CBL
| 11q23.3 |
-0.681
| -0.456 |
213579_s_at | E1A binding protein p300 |
EP300
| 22q13.2 |
-0.742
| -0.404 |