, Volume 107, Issue 3, pp 457-462
Date: 23 Nov 2011

Chlorotoxin-conjugated nanoparticles as potential glioma-targeted drugs

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Development of glioma-specific nanoparticles has been an area of intense research over the past several years. Iron oxide, multifunctional superparamagnetic, and NaYF4:Yb,rare-earth upconversion nanoparticles, conjugated with chlorotoxin (CTX, a key toxin in scorpion venom which has been shown to bind specifically to glioma cell surface as a specific chloride channel and matrix metalloproteinase-2 blocker), exhibit high affinity for glioma and direct tumor visualization. We review the latest improvements of CTX-modified nanoparticle platforms which might enable development of more effective therapeutic agents in clinical treatment of glioma.