BMC Medicine

official impact factor 5.75

Open Access Research article

STAT1-dependent expression of energy metabolic pathways links tumour growth and radioresistance to the Warburg effect

Sean P Pitroda1, Bassam T Wakim2, Ravi F Sood1, Mara G Beveridge1, Michael A Beckett1, Dhara M MacDermed1, Ralph R Weichselbaum1 and Nikolai N Khodarev1*

Author Affiliations

1 Department of Radiation and Cellular Oncology, The University of Chicago, Chicago, IL 60637, USA

2 Department of Biochemistry, Medical College of Wisconsin, Milwaukee, WI 53226, USA

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BMC Medicine 2009, 7:68 doi:10.1186/1741-7015-7-68

Published: 5 November 2009

Additional files

Additional file 1:

Table S1 - Genes differentially expressed between untreated SCC61 Signal Transducer and Activator of Transcription 1 (STAT1) wild-type (WT) and knockdown (KD) tumours. Probe Set ID = Affymetrix probe set ID; GG = glycolysis/gluconeogenesis; OP = oxidative phosphorylation; CC = citrate cycle; expression values for duplicated SCC61 KD/control (C) and WT/C samples are log2-transformed signal intensities normalized to the mean signal intensity across each gene.

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Additional file 2:

Table S2 - Proteins differentially expressed between untreated SCC61 Signal Transducer and Activator of Transcription 1 (STAT1) wild-type (WT) and knockdown (KD) tumours. UniProt ID = Universal Protein Resource ID; GG = glycolysis/gluconeogenesis; OP = oxidative phosphorylation; CC = citrate cycle; expression values for duplicated SCC61 KD/C and WT/control (C) samples are log2-transformed total ion currents (TIC) normalized to the mean TIC across each protein.

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Additional file 3:

Table S3 - All differentially expressed genes and proteins associated with energy metabolism from pair-wise comparisons of Signal Transducer and Activator of Transcription 1 (STAT1) wild-type and knockdown tumours for untreated and irradiated conditions. GG = glycolysis/gluconeogenesis; OP = oxidative phosphorylation; CC = citrate cycle; Probe Set/UniProt ID = Affymetrix probe set/Universal Protein Resource ID; expression values are raw signal intensities for genes or total ion currents for proteins.

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Additional file 4:

Table S4 - Differential expression of energy metabolic genes and proteins in response to ionizing radiation (IR) of Signal Transducer and Activator of Transcription 1 (STAT1) wild-type (WT) and knockdown (KD) tumours. GG = glycolysis/gluconeogenesis; OP = oxidative phosphorylation; CC = citrate cycle; (WT/IR)/(WT/C) = response of STAT1 WT tumour to IR; (KD/IR)/(KD/C) = response of STAT1 KD tumour to IR; WT/KD = ratio of WT IR response to KD IR response.

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