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Table 1 Functional classification of the most highly expressed 300 genes in the normal cartilage and the regenerated tissues harvested at 2 and 4 weeks.

From: Gene expression profile of the cartilage tissue spontaneously regenerated in vivo by using a novel double-network gel: Comparisons with the normal articular cartilage

Functional

Normal

Regenerated tissue

Regenerated tissue

Categories

Cartilage

(2 weeks)

(4 weeks)

Protein metabolism

42 (14.0%)

36 (12.0%)

37 (12.3%)

Cell communication/Signal transduction

25 (8.3%)

24 (8.0%)

23 (7.7%)

Cell growth and/or maintenance

21 (7.0%)

36 (12.0%)

37 (12.3%)

Regulation of nucleobase

14 (4.7%)

16 (5.3%)

15 (5.0%)

Energy pathways/Metabolism

14 (4.7%)

11 (3.7%)

13 (4.3%)

Immune response

12 (4.0%)

9 (3.0%)

10 (3.3%)

Transport

8 (2.6%)

8 (2.7%)

10 (3.3%)

Unknown

164 (54.7%)

160 (53.3%)

155 (51.8%)

  1. (Unit: genes)