Transcription profiling of human breast cancer or Dukes B colon cancer samples to compare the outcome from those fresh frozen and those stored in RNAlater preservative

A number of breast or colon specific genes predictive of the relapse status were used in comparing the outcome from matched fresh frozen and stored in RNAlater preservative. Experiment Overall Design: 31 pairs of matched breast and 21 pairs of matched colon primary tumors either fresh frozen or stored in RNAlater preservative