Graph showing Tumor weight versus days since subcutaneous implant of the MDA-MB-231T tumor in nu/nu NCr mice. There were three groups in the study. Group 1: 1x10^7 cells were implanted SC Bilaterally [Passage 1]. 100% Take Rate. Group 2: fragments implanted bilaterally- Passage 4. 84% Take Rate. Group 3: fragments implanted bilaterally- Passage 10. 100% Take Rate. Notes: Animals were bilaterally implanted for subsequent tumor collection and microarray studies. To ensure standardization in data reporting, only right tumor values were utilized for growth data associated with microarray studies. Please note that these tumors tend to necrose early [~500mg]. P1 [Group 1] Notes: Ten animals were assigned to this group. P4 [Group 2] Notes: Eleven animals were assigned to this group. Two animals failed to establish tumor growth post inoculation. P10 [Group 3] Notes: Ten animals were assigned to this group. Please note that the large error bar for this group is due to a single animal having a tumor > 2000 mg on Day 30.