Cancer vaccines have recently emerged as a promising approach for killing tumor cells before they spread. But so far, most clinical candidates haven’t worked that well. Now, scientists have developed a new way to deliver vaccines that successfully stifled tumor growth when tested in laboratory mice. And the key, they report in the journal ACS Nano, is in the vaccine’s unique stealthy nanoparticles.
Hiroshi Shiku, Naozumi Harada and colleagues explain that most cancer vaccine candidates are designed to flag down immune cells, called macrophages and dendritic cells, that signal “killer” T cells to attack tumors. The problem is that approaches based on targeting these generally circulating immune cells have not been very successful.
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From Medical News Today