Caki-2 is a human clear cell renal cell carcinoma (ccRCC) line that displays epithelial morphology and grows in adherent culture. These cells are a useful preclinical model to study renal cancer. They are relatively less sensitive to 5-fluorouracil and sorafenib (multi-kinase inhibitor of VEGFRs 1-3, PDGFR-b, and Raf-1) compared to Caki-1 cells. The Caki-2 cells have a loss-of-function mutation in the von Hippel-Lindau (VHL) tumor-suppressor protein and are known to form tumors in immunocompromised mice.
This cell line was established in 1971 from the primary tumor of a 69-year-old Caucasian male with clear cell carcinoma of the kidney.
- Jorgen Fogh, PhD, formerly at Sloan Kettering Institute, Memorial Sloan Kettering
- Germain Trempe, formerly at Sloan Kettering Institute, Memorial Sloan Kettering
- Fogh J et al. (1977) One hundred and twenty-seven cultured human tumor cell lines producing tumors in nude mice. Journal of the National Cancer Institute 59: 221-226 (PubMed ID: 327080)
- Miyake M et al. (2012) 5-fluorouracil enhances the antitumor effect of sorafenib and sunitinib in a xenograft model of human renal cell carcinoma. Oncology Letters 3: 1195–1202 (PubMed ID: 22783417)
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