Abstract
Extensive research over past few decades has highlighted the challenges of chemotherapy and prompted the need for multimodality therapy because chemotherapy alone cannot fully eradicate the tumor due to physiological barriers in its effective delivery and systemic side effects. It can be mitigated by adopting nanoparticles as more effective delivery method, but none of them completely prevents drug toxicities. Utilizing multiple therapeutic modes such as phototherapy that can act synergistically with chemotherapy in controlling tumor growth, while reducing the overall dosage, could become a preferred route for cancer management. Careful selection of nanoparticle system, which can simultaneously deliver both drug and photosensitizer, can significantly enhance the therapeutic outcome. Therefore, in this paper, we report development and potential of immune-compatible and long circulating nanoerythrosomes for enhancing the therapeutic potential of camptothecin and indocyanine green against murine cancer model. The RBCs membrane simultaneously loaded the nonpolar drug and amphiphilic photosensitizer in its lipid bilayer, which self-assembled to form stable nanoparticles. These nano constructs absorbed light in the near-infrared region and hence are suitable for targeting deep seated tissues. The dual chemo-phototherapy had great effect on cell viability and had therapeutic value.
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