Chapter 18: Cancer
Video 18.2 Cytotoxic T Lymphocytes Attack a Melanoma Cell
Two cytotoxic T cells approach and attack a melanoma (cancerous) cell that bears MHC I complexed with “altered self” antigen on its surface. The T cell releases perforin, which begins to lyse the cell. This sequence is speeded up approximately 60×. (3.9 MB) [© James A. Sullivan, Quill Graphics.]
