On 2014 Jan 14, Amanda Capes-Davis commented:

Sounds like an exciting compound, but it may or may not be relevant to oral cancer. KB is known to be cross-contaminated and is actually HeLa, as shown by Gartler in 1967 (PMID 4864103). For a database of cross-contaminated or otherwise misidentified cell lines, see http://iclac.org/databases/cross-contaminations/.

On 2014 Jan 14, Amanda Capes-Davis commented:

Sounds like an exciting compound, but it may or may not be relevant to oral cancer. KB is known to be cross-contaminated and is actually HeLa, as shown by Gartler in 1967 (PMID 4864103). For a database of cross-contaminated or otherwise misidentified cell lines, see http://iclac.org/databases/cross-contaminations/.