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Self-amplified drug delivery with light-inducible nanocargoes to enhance cancer immunotherapy

from Advanced Materials

Chemoimmunotherapy by systemic administration of individual regimens suffers from inconsistent pharmacokinetics profiles, low tumor specificity, and severe side effects. Despite promising nanoparticle‐based codelivery approaches in therapeutics, the pathophysiological barriers of solid tumors are a hurdle for tumor accumulation and deep penetration of the drug‐loaded nanoparticles. A light‐inducible nanocargo for immunotherapy is reported. LINC is composed of a reduction‐responsive heterodimer of photosensitizer pheophorbide A and indoleamine 2,3‐dioxygenase 1 (IDO‐1) inhibitor, i.e., NLG919, and a light‐activatable prodrug of oxaliplatin. LINC administrated through intravenous injection is passively accumulated at the tumor site to generate near‐infrared fluorescence signal. more

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