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Bejjanki NK, Zhong Y, Liu J, Li Q, Xu H, Shen H, Xie M. Surface charge transition nano-theranostics based on ultra-small Fe 3O 4 nanoparticles for enhanced photodynamic and photothermal therapy against nasopharyngeal carcinoma. Biochem Biophys Res Commun 2021; 557:240-246. [PMID: 33894409 DOI: 10.1016/j.bbrc.2021.03.168] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 03/22/2021] [Accepted: 03/30/2021] [Indexed: 01/13/2023]
Abstract
Platinum-based concurrent chemo-radiotherapy is the most common strategy for the treatment of Nasopharyngeal carcinoma. However, low efficacy and side effects are the two major problems associated with this approach. Therefore, it is urgent need to explore novel therapeutic modalities to meet clinically standards. Photothermal therapy (PTT) and photodynamic therapy (PDT) are non-invasive and light trigger modalities received great attention to overcome the limitations and significantly improved cancer therapy. Here, we developed acidity surface charge transformable nanocluster (NCs) composed of Indocyanine green (ICG), Fe3O4, and Palmitoyl ascorbic acid (PA) with pH-responsive PEG-b-PAEMA-PDMA for enhanced synergistic PDT/PTT. NCs has the neutral hydrophilic surface helps to prolong blood circulation and instantly transformed to positively charged surface at tumoral acidic pH (6.5), which promoted the cellular uptake. Under laser irradiation (808 nm, 1 W/cm2), NCs produced PTT effect, concurrently it converts singlet oxygen (1O2) into H2O2, which can be further involved in Fenton reaction and produce toxic hydroxyl radical (•OH) enhances therapy efficacy. In vitro experiments on HNE-1 cancer cells showed improved intracellular uptake of NCs at low pH and simultaneously induced higher cytotoxicity medicated by synergetic PDT/PTT effect. In vivo therapeutic study revealed that NCs treatment under laser irradiation showed superior inhibition of tumor growth in HNE-1 tumor bearing mice model. Taken together, the present findings suggest that NCs could be used as "all in one" nano theranostic agent for enhanced PDT/PTT of cancer therapy.
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Affiliation(s)
- Naveen Kumar Bejjanki
- Institute for Solar Energy Systems, C501, School of Engineering, Sun Yat-sen University, Higher Education Mega Center, Panyu District, Guangzhou 510006, China; Department of Otolaryngology Head and Neck Surgery, Zhuhai People's Hospital, Zhuhai, 519000, Guangdong, China
| | - Ying Zhong
- Department of Otolaryngology Head and Neck Surgery, Zhuhai People's Hospital, Zhuhai, 519000, Guangdong, China; Department of Otolaryngology-Head and Neck Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, Guangdong, China
| | - Jie Liu
- Department of Otolaryngology Head and Neck Surgery, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510655, China
| | - Quanming Li
- Department of Otolaryngology Head and Neck Surgery, Zhuhai People's Hospital, Zhuhai, 519000, Guangdong, China
| | - Hongfa Xu
- Zhuhai Precision Medical Center, Zhuhai People's Hospital, Zhuhai, 519000, Guangdong, China
| | - Hui Shen
- Institute for Solar Energy Systems, C501, School of Engineering, Sun Yat-sen University, Higher Education Mega Center, Panyu District, Guangzhou 510006, China.
| | - Minqiang Xie
- Department of Otolaryngology Head and Neck Surgery, Zhuhai People's Hospital, Zhuhai, 519000, Guangdong, China; Department of Otolaryngology-Head and Neck Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, Guangdong, China.
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Kong M, Peng X, Cui H, Liu P, Pang B, Zhang K. pH-responsive polymeric nanoparticles with tunable sizes for targeted drug delivery. RSC Adv 2020; 10:4860-4868. [PMID: 35498333 PMCID: PMC9049203 DOI: 10.1039/c9ra10280a] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Accepted: 01/10/2020] [Indexed: 11/21/2022] Open
Abstract
Biodegradable nanoparticles (NPs) have shown great promise as intracellular imaging probes, nanocarriers and drug delivery vehicles. In this study, we designed and prepared amphiphilic cellulose derivatives via Schiff base reactions between 2,3-dialdehyde cellulose (DAC) and amino compounds. Polymeric NPs were facilely fabricated via the self-assembly of the as-synthesized amphiphilic macromolecules. The size distribution of the obtained NPs can be tuned by changing the amount and length of the grafted hydrophobic side-chains. Anticancer drugs (DOX) were encapsulated in the NPs and the drug-loaded NPs based on cellulose derivatives were stable in neutral and alkaline environments for at least a month. They rapidly decomposed with the efficient release of the drug in acidic tumor microenvironments. These drug-loaded NPs have the potential for application in cancer treatment.
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Affiliation(s)
- Mengle Kong
- College of Chemistry and Chemical Engineering, College of Life Science, Nanofiber Engineering Center of Jiangxi Province, Jiangxi Normal University Nanchang Jiangxi 330022 PR China
| | - Xinwen Peng
- College of Chemistry and Chemical Engineering, College of Life Science, Nanofiber Engineering Center of Jiangxi Province, Jiangxi Normal University Nanchang Jiangxi 330022 PR China
- Wood Technology and Wood Chemistry, Georg-August-University of Goettingen Büsgenweg 4 37077 Göttingen Germany
| | - Hao Cui
- College of Chemistry and Chemical Engineering, College of Life Science, Nanofiber Engineering Center of Jiangxi Province, Jiangxi Normal University Nanchang Jiangxi 330022 PR China
| | - Peiwen Liu
- Wood Technology and Wood Chemistry, Georg-August-University of Goettingen Büsgenweg 4 37077 Göttingen Germany
| | - Bo Pang
- Wood Technology and Wood Chemistry, Georg-August-University of Goettingen Büsgenweg 4 37077 Göttingen Germany
| | - Kai Zhang
- Wood Technology and Wood Chemistry, Georg-August-University of Goettingen Büsgenweg 4 37077 Göttingen Germany
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