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Li M, Yao H, Yi K, Lao YH, Shao D, Tao Y. Emerging nanoparticle platforms for CpG oligonucleotide delivery. Biomater Sci 2024; 12:2203-2228. [PMID: 38293828 DOI: 10.1039/d3bm01970e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Unmethylated cytosine-phosphate-guanine (CpG) oligodeoxynucleotides (ODNs), which were therapeutic DNA with high immunostimulatory activity, have been applied in widespread applications from basic research to clinics as therapeutic agents for cancer immunotherapy, viral infection, allergic diseases and asthma since their discovery in 1995. The major factors to consider for clinical translation using CpG motifs are the protection of CpG ODNs from DNase degradation and the delivery of CpG ODNs to the Toll-like receptor-9 expressed human B-cells and plasmacytoid dendritic cells. Therefore, great efforts have been devoted to the advances of efficient delivery systems for CpG ODNs. In this review, we outline new horizons and recent developments in this field, providing a comprehensive summary of the nanoparticle-based CpG delivery systems developed to improve the efficacy of CpG-mediated immune responses, including DNA nanostructures, inorganic nanoparticles, polymer nanoparticles, metal-organic-frameworks, lipid-based nanosystems, proteins and peptides, as well as exosomes and cell membrane nanoparticles. Moreover, future challenges in the establishment of CpG delivery systems for immunotherapeutic applications are discussed. We expect that the continuously growing interest in the development of CpG-based immunotherapy will certainly fuel the excitement and stimulation in medicine research.
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Affiliation(s)
- Mingqiang Li
- Laboratory of Biomaterials and Translational Medicine, Center for Nanomedicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China.
| | - Haochen Yao
- Hepatobiliary and Pancreatic Surgery Department, General Surgery Center, First Hospital of Jilin University, No. 1 Xinmin Street, Changchun, 130021, Jilin, China
| | - Ke Yi
- Laboratory of Biomaterials and Translational Medicine, Center for Nanomedicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China.
| | - Yeh-Hsing Lao
- Department of Pharmaceutical Sciences, University at Buffalo, The State University of New York, Buffalo, NY, 14214, USA
| | - Dan Shao
- Institutes of Life Sciences, School of Biomedical Sciences and Engineering, South China University of Technology, Guangzhou, China
| | - Yu Tao
- Laboratory of Biomaterials and Translational Medicine, Center for Nanomedicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China.
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Hong S, Yang Z, Mou Q, Luan Y, Zhang B, Pei R, Lu Y. Monitoring leaching of Cd 2+ from cadmium-based quantum dots by an Cd aptamer fluorescence sensor. Biosens Bioelectron 2023; 220:114880. [PMID: 36402100 PMCID: PMC10139768 DOI: 10.1016/j.bios.2022.114880] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 10/29/2022] [Accepted: 11/01/2022] [Indexed: 11/06/2022]
Abstract
Quantum Dots (QDs) have been demonstrated with outstanding optical properties and thus been widely used in many biological and biomedical studies. However, previous studies have shown that QDs can cause cell toxicity, mainly attributable to the leached Cd2+. Therefore, identifying the leaching kinetics is very important to understand QD biosafety and cytotoxicity. Toward this goal, instrumental analyses such as inductively coupled plasma mass spectrometry (ICP-MS) have been used, which are time-consuming, costly and do not provide real-time or spatial information. To overcome these limitations, we report herein a fast and cost-effective fluorescence sensor based a Cd2+-specific aptamer for real-time monitoring the rapid leaching kinetics of QDs in vitro and in living cells. The sensor shows high specificity towards Cd2+ and is able to measure the Cd2+ leached either from water-dispersed CdTe QDs or two-layered CdSe/CdS QDs. The sensor is then used to study the stability of these two types of QDs under conditions to mimic cellular pH and temperature and the results from the sensor are similar to those obtained from ICP-MS. Finally, the sensor is able to monitor the leaching of Cd2+ from QDs in HeLa cells. The fluorescence aptamer sensor described in this study may find many applications as a tool for understanding biosafety of numerous other Cd-based QDs, including leaching kinetics and toxicity mechanisms in living systems.
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Affiliation(s)
- Shanni Hong
- Department of Medical Imaging Technology, School of Medical Imaging, Fujian Medical University, Fuzhou, Fujian, 350122, PR China; Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA; CAS Key Laboratory of Nano-Bio Interfaces, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, Jiangsu, 215123, PR China
| | - Zhenglin Yang
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Quanbing Mou
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Yunxia Luan
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Bingbo Zhang
- Department of Radiology, Tongji Hospital, Shanghai Frontiers Science Center of Nanocatalytic Medicine, The Institute for Biomedical Engineering & Nano Science, School of Medicine, Tongji University, Shanghai, 200065, PR China.
| | - Renjun Pei
- CAS Key Laboratory of Nano-Bio Interfaces, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, Jiangsu, 215123, PR China.
| | - Yi Lu
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA.
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Qin Y, Lao YH, Wang H, Zhang J, Yi K, Chen Z, Han J, Song W, Tao Y, Li M. Combatting Helicobacter pylori with oral nanomedicines. J Mater Chem B 2021; 9:9826-9838. [PMID: 34854456 DOI: 10.1039/d1tb02038b] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Helicobacter pylori (H. pylori) infection is considered to be the main cause of most digestive diseases,such as chronic active gastritis, gastroduodenal ulcers, or even gastric cancer. Oral medication is a transformative approach to treat H. pylori-induced infections. However, unlike intravenous administration, orally administrated drugs have to overcome various barriers before reaching the infected sites, which significantly limits the therapeutic efficacy. These challenges may be addressed by emerging nanomedicine that is equipped with nanotechnology approaches to enable efficient and effective targeted delivery of drugs. Herein, in this review, we first discuss the conventional therapy for the eradication of H. pylori. Through the introduction of the critical barriers of oral administration, the benefits of nanomedicine are highlighted. Recently-published examples of nanocarriers for combating H. pylori in terms of design, preparation, and antimicrobial mechanisms are then presented, followed by our perspective on potential future research directions of oral nanomedicines.
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Affiliation(s)
- Yuan Qin
- Laboratory of Biomaterials and Translational Medicine, Center for Nanomedicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China.
| | - Yeh-Hsing Lao
- Department of Biomedical Engineering, Columbia University, New York, NY 10027, USA
| | - Haixia Wang
- Laboratory of Biomaterials and Translational Medicine, Center for Nanomedicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China.
| | - Jiabin Zhang
- Laboratory of Biomaterials and Translational Medicine, Center for Nanomedicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China.
| | - Ke Yi
- Laboratory of Biomaterials and Translational Medicine, Center for Nanomedicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China.
| | - Zhuanggui Chen
- Department of Pediatrics and Department of Allergy, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China
| | - Jing Han
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Wantong Song
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
| | - Yu Tao
- Laboratory of Biomaterials and Translational Medicine, Center for Nanomedicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China.
| | - Mingqiang Li
- Laboratory of Biomaterials and Translational Medicine, Center for Nanomedicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China. .,Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou 510630, China
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Beyond native deoxyribonucleic acid, templating fluorescent nanomaterials for bioanalytical applications: A review. Anal Chim Acta 2020; 1105:11-27. [DOI: 10.1016/j.aca.2020.01.023] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 01/10/2020] [Accepted: 01/10/2020] [Indexed: 12/16/2022]
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Nanda SS, Kim MJ, Kim K, Papaefthymiou GC, Selvan ST, Yi DK. Recent advances in biocompatible semiconductor nanocrystals for immunobiological applications. Colloids Surf B Biointerfaces 2017; 159:644-654. [DOI: 10.1016/j.colsurfb.2017.08.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 08/15/2017] [Accepted: 08/17/2017] [Indexed: 12/30/2022]
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Moh SH, Kulkarni A, San BH, Lee JH, Kim D, Park KS, Lee MH, Kim T, Kim KK. Photocurrent enhancement of SiNW-FETs by integrating protein-shelled CdSe quantum dots. NANOSCALE 2016; 8:1921-1925. [PMID: 26755346 DOI: 10.1039/c5nr07901b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
We proposed a new strategy to increase the photoresponsivity of silicon NW field-effect transistors (FETs) by integrating CdSe quantum dots (QDs) using protein shells (PSs). CdSe QDs were synthesized using ClpP, a bacterial protease, as protein shells to control the size and stability of QD and to facilitate the mounting of QDs on SiNWs. The photocurrent of SiNW-FETs in response to light at a wavelength of 480 nm was enhanced by a factor of 6.5 after integrating CdSe QDs because of the coupling of the optical properties of SiNWs and QDs. As a result, the photoresponsivity to 480 nm light reached up to 3.1 × 10(6), the highest value compared to other SiNW-based devices in the visible light range.
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Affiliation(s)
- Sang Hyun Moh
- Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon 440-746, South Korea. and Sungkyunkwan Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon 440-746, South Korea
| | - Atul Kulkarni
- Anti-aging Research Institute of BIO-FD&C Co., Ltd, A-510 Smart Valley, Incheon 406-840, South Korea and School of Mechanical Engineering, Sungkyunkwan University, Suwon 440-746, South Korea
| | - Boi Hoa San
- Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon 440-746, South Korea. and Sungkyunkwan Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon 440-746, South Korea
| | - Jeong Hun Lee
- Anti-aging Research Institute of BIO-FD&C Co., Ltd, A-510 Smart Valley, Incheon 406-840, South Korea
| | - Doyoun Kim
- Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon 440-746, South Korea.
| | - Kwang Su Park
- Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon 440-746, South Korea.
| | - Min Ho Lee
- Medical IT Convergence Research Center, Korea Electronics Technology Institute, Seongnam 463-816, South Korea
| | - Taesung Kim
- School of Mechanical Engineering, Sungkyunkwan University, Suwon 440-746, South Korea
| | - Kyeong Kyu Kim
- Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon 440-746, South Korea. and Sungkyunkwan Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon 440-746, South Korea
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Li L, Feng D, Zhao J, Guo Z, Zhang Y. Simultaneous fluoroimmunoassay of two tumor markers based on CdTe quantum dots and gold nanocluster coated-silica nanospheres as labels. RSC Adv 2015. [DOI: 10.1039/c5ra19262e] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Fluoroimmunoassay for simultaneous detection of CEA and AFP.
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Affiliation(s)
- Lihua Li
- College of Chemistry and Materials Science
- The Key Laboratory of Functional Molecular Solids
- Ministry of Education
- Anhui Laboratory of Molecule-Based Materials and Anhui Key Laboratory of Chemo-Biosensing
- Anhui Normal University
| | - Dexiang Feng
- College of Chemistry and Materials Science
- The Key Laboratory of Functional Molecular Solids
- Ministry of Education
- Anhui Laboratory of Molecule-Based Materials and Anhui Key Laboratory of Chemo-Biosensing
- Anhui Normal University
| | - Junqing Zhao
- College of Chemistry and Materials Science
- The Key Laboratory of Functional Molecular Solids
- Ministry of Education
- Anhui Laboratory of Molecule-Based Materials and Anhui Key Laboratory of Chemo-Biosensing
- Anhui Normal University
| | - Zilin Guo
- College of Chemistry and Materials Science
- The Key Laboratory of Functional Molecular Solids
- Ministry of Education
- Anhui Laboratory of Molecule-Based Materials and Anhui Key Laboratory of Chemo-Biosensing
- Anhui Normal University
| | - Yuzhong Zhang
- College of Chemistry and Materials Science
- The Key Laboratory of Functional Molecular Solids
- Ministry of Education
- Anhui Laboratory of Molecule-Based Materials and Anhui Key Laboratory of Chemo-Biosensing
- Anhui Normal University
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