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Yuan M, Han Z, Li Y, Zhan X, Sun Y, He B, Liang Y, Luo K, Li F. A pH-responsive nanoplatform with dual-modality imaging for enhanced cancer phototherapy and diagnosis of lung metastasis. J Nanobiotechnology 2024; 22:180. [PMID: 38622591 PMCID: PMC11017640 DOI: 10.1186/s12951-024-02431-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 03/20/2024] [Indexed: 04/17/2024] Open
Abstract
To address the limitations of traditional photothermal therapy (PTT)/ photodynamic therapy (PDT) and real-time cancer metastasis detection, a pH-responsive nanoplatform (NP) with dual-modality imaging capability was rationally designed. Herein, 1 H,1 H-undecafluorohexylamine (PFC), served as both an oxygen carrier and a 19F magnetic resonance imaging (MRI) probe, and photosensitizer indocyanine green (ICG) were grafted onto the pH-responsive peptide hexahistidine (H6) to form H6-PFC-ICG (HPI). Subsequently, the heat shock protein 90 inhibitor, gambogic acid (GA), was incorporated into hyaluronic acid (HA) modified HPI (HHPI), yielding the ultimate HHPI@GA NPs. Upon self-assembly, HHPI@GA NPs passively accumulated in tumor tissues, facilitating oxygen release and HA-mediated cell uptake. Once phagocytosed by lysosomes, protonation of H6 was triggered due to the low pH, resulting in the release of GA. With near-infrared laser irradiation, GA-mediated decreased HSP90 expression and PFC-mediated increased ROS generation amplified the PTT/PDT effect of HHPI@GA, leading to excellent in vitro and in vivo anticancer efficacies. Additionally, the fluorescence and 19F MRI dual-imaging capabilities of HHPI@GA NPs enabled effective real-time primary cancer and lung metastasis monitoring. This work offers a novel approach for enhanced cancer phototherapy, as well as precise cancer diagnosis.
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Affiliation(s)
- Mujie Yuan
- Department of Oral Implantology, The Affiliated Hospital of Qingdao University, Qingdao, 266000, China
| | - Zeyu Han
- Department of Oral Implantology, The Affiliated Hospital of Qingdao University, Qingdao, 266000, China
| | - Yan Li
- Precision Research Center for Refractory Diseases, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
| | - Xin Zhan
- Department of Oral Implantology, The Affiliated Hospital of Qingdao University, Qingdao, 266000, China
| | - Yong Sun
- Department of Pharmaceutics, Qingdao University School of Pharmacy, Qingdao, 266021, China
| | - Bin He
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, China
| | - Yan Liang
- Department of Pharmaceutics, Qingdao University School of Pharmacy, Qingdao, 266021, China.
| | - Kui Luo
- Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Fan Li
- Department of Oral Implantology, The Affiliated Hospital of Qingdao University, Qingdao, 266000, China.
- Department of Pharmaceutics, Qingdao University School of Pharmacy, Qingdao, 266021, China.
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Gu Y, Peng L, Ding W, Wang Y, Zeng X. An ultrasensitive FRET-based fluorescent low molecular weight heparin nanoprobe for quantifying heparanase activity. Talanta 2023; 254:124207. [PMID: 36549136 DOI: 10.1016/j.talanta.2022.124207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 12/13/2022] [Accepted: 12/17/2022] [Indexed: 12/24/2022]
Abstract
Heparanase (HPA) is a multifaceted endo-β-glucuronidase, and its dysregulation facilitates cancer metastasis. Developing techniques for fast and sensitively monitoring HPA enzymatic activity is crucial for searching for molecular therapies targeting HPA. Herein, we developed a novel fluorescence resonance energy transfer (FRET)-based nanoprobe AuNCs-LMWH-AuNRs, with AuNCs@GSH-cys and AuNRs/end-NH2/side-SiO2 attached to the non-reducing terminus and reducing terminus of low molecular weight heparin (LMWH), respectively. AuNCs@GSH-cys exhibited an absolute quantum yield of 1.1%. The absorption spectra of AuNRs/end-NH2/side-SiO2 (825 nm for maximum longitudinal absorption) and the emission spectra of AuNCs@GSH-cys (824 nm for maximum emission) were precisely overlapping, further enhancing the efficiency of FRET. In the presence of HPA, the LMWH nanoprobe exhibited an ultrasensitive response with excitation/emission wavelength (lambda (ex) = 560 nm, lambda (em) = 824 nm). The probe presented a wide linear dynamic detection range (LDR) of 0.125 ng/μL - 0.01 μg/μL in vitro with a limit of detection (LODs) of 82.15 pM (0.43 pg/μL). The excellent selectivity and good fluorescence turn-on efficiency of the probe made it possible for one-step detection of cellular heparanase activity. High throughput screening of HPA inhibitors also can be accomplished using the highly efficient LMWH nanoprobe.
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Affiliation(s)
- Yayun Gu
- Medical School, Nantong University, 19 Qixiu Road, Nantong, Jiangsu Province, 226001, China.
| | - Lizhong Peng
- Medical School, Nantong University, 19 Qixiu Road, Nantong, Jiangsu Province, 226001, China
| | - Weihua Ding
- Medical School, Nantong University, 19 Qixiu Road, Nantong, Jiangsu Province, 226001, China
| | - Yang Wang
- Kobilka Institute of Innovative Drug Discovery, The Chinese University of Hong Kong, 2001 Longxiang Avenue, Shenzhen, Guangdong Province, 518172, China
| | - Xuhui Zeng
- Medical School, Nantong University, 19 Qixiu Road, Nantong, Jiangsu Province, 226001, China.
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Recent updates in the polysaccharides-based Nano-biocarriers for drugs delivery and its application in diseases treatment: A review. Int J Biol Macromol 2021; 182:115-128. [PMID: 33836188 DOI: 10.1016/j.ijbiomac.2021.04.009] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 04/02/2021] [Accepted: 04/02/2021] [Indexed: 01/02/2023]
Abstract
With people's increasing awareness of diseases treatment, the researchers began to focus on drug delivery to the exact site of action at the optimal rate. Some researchers have proved that many nanostructures loaded with drugs are significantly better than conventional nanostructures. However, the materials from which the nanostructure determines its performance. To use it as a pharmaceutical ingredient, it must meet strict safety regulatory standards worldwide. Therefore, people's attention has paid to easily available natural substances. As far as we know, bioactive polysaccharides are excellent candidates for realizing these purposes. To be precise, due to the natural availability of polysaccharides, it has been widely used in the research of Nano-biocarriers loaded with drugs. Based on the above analysis, the nanomaterials developed through the laboratory have great potential for upgrading to market products. Therefore, it is of great significance to review the latest progress of polysaccharide-based Nano-biocarriers in drug delivery and their application in diseases treatment. In this work, we focused on the preparation of polysaccharides-based Nano-biocarriers, commonly used polysaccharides for preparing Nano-biocarriers, and drugs loaded on polysaccharides-based Nano-biocarriers to treat diseases. Shortly, polysaccharide-based Nano-biocarriers will be increasingly used in drug delivery and treatment of diseases.
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