Metastatic potential of tumor-initiating cells in solid tumors

1. Abstract2. Introduction3. Methods to enrich tumor-initiating cells (TICs)3.1. Stem cell surface markers3.2. Side population (SP)/ABC transporters3.3. Aldehyde dehydrogenase (ALDH)3.4. Sphere formation3.5. Other methods4. Metastatic property of TICs in solid tumors4.1. Breast cancer4.2. Pancreatic cancer4.3. Lung cancer4.4. Gastric cancer4.5. Prostate cancer4.6. Osteosarcoma5. Prospective6. Acknowledgments7. References