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Combination Therapy of NSCLC Using Hsp90 Inhibitor and Doxorubicin Carrying Functional Nanoceria.


ABSTRACT: K-RAS driven non-small-cell lung cancer (NSCLC) represents a major cause of death among smokers. Recently, nanotechnology has introduced novel avenues for the diagnosis and personalized treatment options for cancer. Herein, we report a novel, multifunctional nanoceria platform loaded with a unique combination of two therapeutic drugs, doxorubicin (Doxo) and Hsp90 inhibitor ganetespib (GT), for the diagnosis and effective treatment of NSCLC. We hypothesize that the use of ganetespib synergizes and accelerates the therapeutic efficacy of Doxo via ROS production, while minimizing the potential cardiotoxicity of doxorubicin drug. Polyacrylic acid (PAA)-coated cerium oxide nanoparticles (PNC) were fabricated for the targeted combination therapy of lung cancers. Using "click" chemistry, the surface carboxylic acid groups of nanoceria were decorated with folic acid to target folate-receptor-overexpressing NSCLC. As a result of combination therapy, results showed more than 80% of NSCLC death within 48 h of incubation. These synergistic therapeutic effects were assessed via enhanced ROS, cytotoxicity, apoptosis, and migration assays. Overall, these results indicated that the targeted codelivery of Doxo and GT using nanoceria may offer an alternative combination therapy option for the treatment of undruggable NSCLC.

SUBMITTER: Sulthana S 

PROVIDER: S-EPMC6741431 | biostudies-literature | 2017 Mar

REPOSITORIES: biostudies-literature

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Combination Therapy of NSCLC Using Hsp90 Inhibitor and Doxorubicin Carrying Functional Nanoceria.

Sulthana Shoukath S   Banerjee Tuhina T   Kallu Jyothi J   Vuppala Sudershini Reddy SR   Heckert Blaze B   Naz Shuguftha S   Shelby Tyler T   Yambem Olivia O   Santra Santimukul S  

Molecular pharmaceutics 20170127 3


K-RAS driven non-small-cell lung cancer (NSCLC) represents a major cause of death among smokers. Recently, nanotechnology has introduced novel avenues for the diagnosis and personalized treatment options for cancer. Herein, we report a novel, multifunctional nanoceria platform loaded with a unique combination of two therapeutic drugs, doxorubicin (Doxo) and Hsp90 inhibitor ganetespib (GT), for the diagnosis and effective treatment of NSCLC. We hypothesize that the use of ganetespib synergizes an  ...[more]

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