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Table 2 Real-time RT-PCR study of 22 differentially expressed genes

From: Anaplastic oligodendrogliomas with 1p19q codeletion have a proneural gene expression profile

Gene symbol

Description

Gene ontology

Fold difference of geom means 1p19q/EGFR (microarray)*

Fold difference of geom means 1p19q/EGFR in validation sample set (RT-PCR)**

AKR1C3

Aldo-keto reductase family 1, member C3

Prostaglandin metabolism

17.5

7.1

ATOH8

Atonal homolog 8 (Drosophila)

Regulation of transcription

26

23.5

BMP2

Bone morphogenetic protein 2

Positive regulation of astrocyte differentiation

10.1

10.2

C20ORF42

Chromosome 20 open reading frame 42

Cell adhesion

16.2

15.7

CTTNBP2

Cortactin binding protein 2

---

5.4

3.9

DCX

Doublecortex; lissencephaly, X-linked (doublecortin)

CNS development

5.9

6.3

GALNT13

UDP-N-acetyl-alpha-D-galactosamine:polypeptide N-acetylgalactosaminyltransferase 13 (GalNAc-T13)

Protein amino acid O-linked glycosylation

31.7

38.4

L1CAM

L1 cell adhesion molecule

Nervous system development

14.6

24.5

NCAM1

Neural cell adhesion molecule 1

Synaptic transmission

4.8

1.7(NS)

NOG

Noggin

Nervous system development

11.2

18.4

OLIG2

Oligodendrocyte lineage transcription factor 2

Nervous system development

4.7

3.7

CCNB1

Cyclin B1

Mitosis

0.2

0.2

CDK2

Cyclin-dependent kinase 2

Mitosis

0.2

0.2

CHI3L1

Chitinase 3-like 1 (cartilage glycoprotein-39)

Chitin catabolism

0.01

0.003

EGFR

Epidermal growth factor receptor (erythroblastic leukemia viral (v-erb-b) oncogene homolog, avian)

Cell proliferation

0.1

0.2

GBP1

Guanylate binding protein 1, interferon-inducible, 67kDa

Immune response

0.05

0.05

IGFBP2

Insulin-like growth factor binding protein 2, 36 kDa

Regulation of cell growth

0.02

0.01

IQGAP1

IQ motif containing GTPase activating protein 1

Signal transduction

0.11

0.1

PDPN

Podoplanin

Positive regulation of cell motility

0.02

0.008

PLAT

Plasminogen activator, tissue

Proteolysis

0.07

0.06

POSTN

Periostin, osteoblast specific factor

Cell adhesion

0.01

0.01

RNF135

Ring finger protein 135

---

0.2

0.2

  1. Fold difference of geometrical means in microarray and in real-time RT-PCR of the 22 genes studied in the independent sample set. * All genes were differentially expressed with a p-value < 0.001 except DCX (p-value = 0.004). * * All genes were differentially expressed with a p-value < 0.05 except when NS (non significant) is specified.