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Table 1 Ingenuity Pathway Analysis software assessment of molecular and cellular functions of exclusively methylated genes in either pGBM grade IV glioblastomas or sGBM grade IV glioblastomas

From: Stability of the CpG island methylator phenotype during glioma progression and identification of methylated loci in secondary glioblastomas

sGBM Ingenuity analysis(w)

Category(x)

No. of Genes(y)

p-value range(z)

Diseases and disorder

Cancer

36/180 (20.0%)

2.52E-04 – 1.05E-02

Molecular and cellular functions

Cellular compromise

12/180 (6.7%)

3.53E-06 – 8.01E-03

Molecular and cellular functions

Cellular assembly and organization

44/180 (24.4%)

1.56E-05 – 7.76E-03

Molecular and cellular functions

Cell morphology

45/180 (25.0%)

1.29E-04 – 1.29E-04

Molecular and cellular functions

cell death and survival

47/180 (26.1%)

2.52E-04 – 1.02E-02

Molecular and cellular functions

Cellular function and maintenance

38/180 (21.1%)

2.52E-04 – 1.05E-02

pGBM Ingenuity analysis (w)

Category (x)

No. of Genes (y)

p-value range (z)

Diseases and disorder

Cancer

183/338 (54.1%)

7.67E-09 – 2.68E-04

Molecular and cellular functions

Gene expression

104/338 (30.8%)

7.23E-23 – 1.28E-04

Molecular and cellular functions

Cellular development

124/338 (36.7%)

4.44E-20 – 7.94E-04

Molecular and cellular functions

Cell morphology

73/338 (21.6%)

1.16E-09 – 8.32E-04

Molecular and cellular functions

Cellular movement

90/338 (26.6%)

4.41E-09 – 6.52E-04

Molecular and cellular functions

Cellular growth and proliferation

116/338 (34.3%)

2.45E-08 – 7.69E-04

  1. Table 1 shows the top diseases and disorders and 5 molecular and cellular functions of genes exclusively methylated in sGBM samples (top) and pGBM (bottom) samples. For each table: (w) type of ingenuity analysis used (diseases and disorders or molecular and cellular functions); (x) category of either the disease/disorder or molecular/cellular function; (y) the total number of genes within the list per category out of the total number of genes expressed, also shown as a percentage; (z) p-value range of this number of genes within the list falling into each category.