"Endothelial P-selectin Expression is Reduced in Advanced Primary Melanoma and Melanoma Metastasis."

According to the authors' abstract of an article published in American Journal of Pathology, "Some malignant tumors induce a cellular immune response that results in the formation of an inflammatory infiltrate and subsequent tumor regression. The infiltrating leukocytes extravasate from the bloodstream after binding to adhesion receptors on the surface of the endothelium. One of these receptors is the P-selectin molecule (CD62P) that is constitutively present on normal capillaries. We observed that P-selectin expression is absent from the microvasculature in advanced primary melanoma and in melanoma metastasis in contrast to benign melanocytic lesions where P-selectin expression was...

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