(A) The top ten enriched items obtained from GO analysis of up-regulated mRNAs with differential expression. (B) The top ten enriched items obtained from GO analysis of down-regulated mRNAs with differential expression. (C) The first ten enriched pathways identified in KEGG analysis of up-regulated mRNAs with differential expression. (D) The first ten enriched pathways identified in KEGG analysis of down-regulated mRNAs with differential expression.