News Health & Medicine Some melanoma cancer cells may punch their way through the body Cell membrane protrusions called “blebs” act as fists to help melanoma cells tunnel A cancer cell (blob at right in this 3D rendering) can “punch” its way through a tunnel of tissue (yellow) by extending and retracting blebs (red) through cytoskeletal cracks. M.K. Driscoll et al/Developmental Cell 2024 Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Claire Yuan July 23, 2024 at 9:00 am Imagine tiny fists punching their way through your body.