US Patent 8709801 Kit and method for the capture of tumor cells

The invention relates to a kit and method for the capture of tumor cells in a body fluid sample or a serum-containing sample. The kit and method of the invention can capture living tumor cells but not non-living tumor cells or cell fragments so that the tumor species can be further identified by further culture of the captured tumor cells. Also, the kit and method of the invention can readily identify whether a sample contains tumor cells and collect these tumor cells for further identification so that the presence of cancer and development of the metastasis and early relapse can be identified.