Uveal Melanoma (UM) is the most common malignant intra-ocular tumor in adults. Forty-five percent of UM patients develop metastasis within fifteen years of the initial diagnosis. Cutaneous Melanoma (CM) is a highly metastatic cancer that accounts for the majority of skin cancer deaths. Current treatments are not especially effective for the metastatic phase of the disease. Therefore, the identification of new molecular targets that can be exploited in the clinic are needed. / KISS1 is a putative human metastasis suppressor gene. The purpose of this study was to investigate the expression of KISS1 in melanoma and its potential value as a prognostic marker. / From results in vitro and in vivo we were able to characterize KISS1 in UM for the first time as well as its expression at the protein level, in CM. The correlation between KISS1 expression and UM survival rate suggests an important role for KISS1 as a prognostic marker in this tumor.

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