I have two questions. There are different available cell lines to create animal models of cancers. In the case of melanoma, there are different melanoma cell lines for instance melanoma B16F10 (metastatic), B16F0 (non-metastatic), which all derived from C57Bl/6 mice. Is there any data base for cell lines which explains each cell line in detail? May two closely related cell lines (e.g B16F10 and B16F0) differently response to a treatment?