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Table 1 A summary of numbers of nodes in HuGE Index-derived PPI networks.

From: Topological and organizational properties of the products of house-keeping and tissue-specific genes in protein-protein interaction networks

Tissue

Total number of nodes

Number of house-keeping nodes

Number of tissue-specific nodes

Blood

907

179 (0.197)

59 (0.065)

Brain

1048

184 (0.176)

121 (0.115)

Breast

466

148 (0.318)

18 (0.039)

Cervix

934

184 (0.197)

26 (0.028)

Colon

684

176 (0.257)

13 (0.019)

Endometrium

1209

194 (0.160)

65 (0.054)

Esophagus

996

185 (0.186)

46 (0.046)

Kidney

1774

200 (0.113)

263 (0.148)

Liver

1646

200 (0.122)

244 (0.148)

Lung

1933

203 (0.105)

318 (0.165)

Muscle

1611

194 (0.120)

262 (0.163)

Myometrium

1112

190 (0.171)

46 (0.041)

Ovary

1239

190 (0.153)

108 (0.087)

Placenta

896

176 (0.196)

44 (0.049)

Prostate

1917

202 (0.105)

331 (0.173)

Spleen

605

160 (0.264)

13 (0.021)

Stomach

516

159 (0.308)

9 (0.017)

Testes

464

149 (0.321)

8 (0.017)

Vulva

1270

193 (0.152)

65 (0.051)

  1. The figures in parenthesis are the proportion of house-keeping nodes and the proportion of tissue-specific nodes in the total number of nodes in a particular PPI network.