Journal
JOURNAL OF PHYSICAL CHEMISTRY B
Volume 125, Issue 49, Pages 13415-13424Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpcb.1c08609
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Funding
- CSIR
- ICMR
- UGC
- Department of Biotechnology (DBT), Government of India [BT/PR26670/NNT/28/1367/2017]
- CSIR, Government of India [13(9128-A) 2020Pool]
- DBT, Government of India [BT/PR27222/NNT/28/1337/2017]
- National Institute of Biomedical Imaging and Bioengineering [P41-EB015871]
- National Institute of General Medical Sciences [DP2GM128198]
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Recent advancements in utilizing a nanoarchitecture platform for safe and effective targeted phototherapy in cancer treatment have shown promising results. Combining photothermal and photodynamic therapies in nanoconstructs can provide a synergistic approach for localized cancer therapy with minimal side effects and satisfactory outcomes.
Recent advancements in a nanoarchitecture platform for safe and effective targeted phototherapy in a synergistic fashion is an absolute necessity in localized cancer therapy. Photothermal and photodynamic therapies (PTT and PDT) are considered as the most promising localized therapeutic intervention for cancer management as they have no long-term side effects and are minimally invasive and affordable. Herein, we have demonstrated a tailor-made nano-theranostic probe in which macrocyclic host cucurbituril [8] (CB[8]) is placed as a glue between two gold nanorods (GNRs) within similar to 3 nm gaps in linear nanoassemblies with exquisitely sensitive plasmonics that exert combined phototherapy to investigate the therapeutic progression on human breast cancer cells. Photosensitizer methylene blue was positioned on CB[8] to impart the PDT effect, whereas GNR was responsible for PTT on a single laser trigger ensuring the synchronized phototherapy. Furthermore, the nanoconstruct was tagged with targeting anti-Her2 monoclonal antibody (MB-CB [8]@GNR-anti-Her2) for localized PTT and PDT on Her2 positive SKBR3 cells, subsequent cellular recognition by surface-enhanced Raman spectroscopy (SERS) platform, and further assessment of the combined intracellular phototherapy. Hence, the current strategy is definitely marked as a proof-of-concept straightforward approach that implies the perfect nature of the combined phototherapy to achieve an efficient cancer treatment.
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