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Table 3 Number of Xenopus proteins up regulated (U) or down regulated (D) with FC =/>2 at one or more time points after amputation, and the ratio of U/D, according to biological process category

From: Proteomic analysis of fibroblastema formation in regenerating hind limbs of Xenopus laevis froglets and comparison to axolotl

Biological process U D U/D
Signaling 30 13 2.3
Transport 11 19 0.6
Transcription 24 21 1.1
Translation 6 2 3.0
Cytoskeleton 27 20 1.4
 Muscle 1 13 0.1
 Non-Muscle 26 7 3.7
Extracellular matrix 8 2 4.0
Metabolism 10 12 0.8
 Carbohydrate 2 6 0.3
 Non-Carbohydrate 8 6 1.3
Cell protection 11 9 1.2
Degradation 7 5 1.4
Cell cycle 12 9 1.3
 G1/S 3 4 0.8
 M 5 4 1.3
 Other 4 1 4.0