201
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Chen X, Chen Z, Hu B, Cai P, Wang S, Xiao S, Wu YL, Chen X. Synergistic Lysosomal Activatable Polymeric Nanoprobe Encapsulating pH Sensitive Imidazole Derivative for Tumor Diagnosis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:1703164. [PMID: 29265697 DOI: 10.1002/smll.201703164] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Revised: 10/20/2017] [Indexed: 06/07/2023]
Abstract
Developing optical tumor imaging probes with minimal background noise is very important for its early detection of small lesions and accurate diagnosis of cancer. To overcome the bottleneck of low signal to noise ratio and sensitivity, it needs further improvement in fluorescent probe design and understanding of tumor development process. Recent reports reveal that lysosome's acidity in cancer cells can be below 4.5 with high Na+ /H+ exchange activity, which makes it an ideal target intracellular organelle for cancer diagnosis based on the variation of pH. Herein, a boron 2-(2'-pyridyl) imidazole complex derivative (BOPIM-N) is developed, with the ability to show a pH-activatable "OFF-ON" fluorescent switch by inhibiting twisted intramolecular charge transfer upon protonation at pH 3.8-4.5, which is studied for its selective viable cancer cell imaging ability in both in vitro and in vivo experiments. Interestingly, BOPIM-N can specifically emit green fluorescence in lysosomes of cancer cells, indicating its promising cancer cell specific imaging ability. More importantly, nanoformulated BOPIM-N probes can be specifically light-ON in tumor bearing site of nude mice with resolution up to cellular level, indicating its potential application in tumor diagnosis and precision medicine.
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Affiliation(s)
- Xiaohong Chen
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361102, P. R. China
| | - Ziwen Chen
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361102, P. R. China
| | - Benhui Hu
- Innovative Center for Flexible Devices, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Pingqiang Cai
- Innovative Center for Flexible Devices, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Sa Wang
- College of Biological and Pharmaceutical Sciences, China Three Gorges University, Hubei Yichang, 443002, P. R. China
| | - Shuzhang Xiao
- College of Biological and Pharmaceutical Sciences, China Three Gorges University, Hubei Yichang, 443002, P. R. China
| | - Yun-Long Wu
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361102, P. R. China
| | - Xiaodong Chen
- Innovative Center for Flexible Devices, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
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202
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Yokoo H, Ohsaki A, Kagechika H, Hirano T. Unique Properties of 1,5-Naphthyridin-2(1H
)-one Derivatives as Environment-Polarity-Sensitive Fluorescent Dyes. European J Org Chem 2018. [DOI: 10.1002/ejoc.201701609] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Hidetomo Yokoo
- Institute of Biomaterials and Bioengineering; Tokyo Medical and Dental University (TMDU); 2-3-10 Kanda-Surugadai 101-0062 Chiyoda-ku, Tokyo Japan
| | - Ayumi Ohsaki
- College of Humanities and Sciences; Nihon University; 3-25-40 Sakurajosui 156-8550 Setagaya-ku, Tokyo Japan
| | - Hiroyuki Kagechika
- Institute of Biomaterials and Bioengineering; Tokyo Medical and Dental University (TMDU); 2-3-10 Kanda-Surugadai 101-0062 Chiyoda-ku, Tokyo Japan
| | - Tomoya Hirano
- Institute of Biomaterials and Bioengineering; Tokyo Medical and Dental University (TMDU); 2-3-10 Kanda-Surugadai 101-0062 Chiyoda-ku, Tokyo Japan
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203
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Serrano LA, Yang Y, Salvati E, Stellacci F, Krol S, Guldin S. pH-Mediated molecular differentiation for fluorimetric quantification of chemotherapeutic drugs in human plasma. Chem Commun (Camb) 2018; 54:1485-1488. [PMID: 29359205 DOI: 10.1039/c7cc07668a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
At present, drug dosage is based on standardised approaches that disregard pharmakokinetic differences between patients and lead to non-optimal efficacy and unnecessary side effects. In this work, we demonstrate the potential of pH-mediated fluorescence spectroscopy for therapeutic drug monitoring in complex media. We apply this principle to the simultaneous quantification of the chemotherapeutic prodrug Irinotecan and its active metabolite SN-38 from human plasma across the clinically relevant concentration range, i.e. from micromolar to nanomolar at molar ratios of up to 30 : 1.
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Affiliation(s)
- Luis A Serrano
- Department of Chemical Engineering, University College London, Torrington Place, London, WC1E 7JE, UK.
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204
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Barnoy EA, Popovtzer R, Fixler D. Development of a molecular bioswitch using fluorescence lifetime imaging: Incremental activation of fluorescein diacetate. JOURNAL OF BIOPHOTONICS 2018; 11:e201700084. [PMID: 28700140 DOI: 10.1002/jbio.201700084] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2017] [Revised: 05/22/2017] [Accepted: 05/23/2017] [Indexed: 06/07/2023]
Abstract
Molecular bioswitches offer an invaluable asset in the shift from systemic to targeted treatments. Within the growing arsenal of switches are imaging probes that functionalize only in given locations or situations. Acetate esters are a common fluorescent example, known to activate upon interaction with esterases. Fluorescein diacetate (FDA) is one such fluorophore used in cell viability assays. These assays rely on the fact that the compound begins colorless and with no fluorescent signature whatsoever, and only after internalization into cells it is possible to detect a fluorescence signal. In this study, using fluorescence intensity (FI) and fluorescence lifetime (FLT) imaging, FDA is shown to be fluorescent even when unactivated. Furthermore, the FLT is shown to change with pH. Finally, the ability to image FDA in different environments simulated by tissue-imitating phantoms is explored. Altogether, the ability of FDA to serve as a bioswitch when measured using FLT imaging microscopy (FLIM) is assessed. The combination of a spectrum of FDA activation and FLIM serves as a bioswitch, where biologically relevant stimulation can generate detectable and incremental variations.
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Affiliation(s)
- Eran A Barnoy
- Faculty of Engineering and the Institute of Nanotechnology and Advanced Materials, Bar Ilan University, Ramat Gan, Israel
| | - Rachela Popovtzer
- Faculty of Engineering and the Institute of Nanotechnology and Advanced Materials, Bar Ilan University, Ramat Gan, Israel
| | - Dror Fixler
- Faculty of Engineering and the Institute of Nanotechnology and Advanced Materials, Bar Ilan University, Ramat Gan, Israel
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205
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Yue Y, Huo F, Lee S, Yin C, Yoon J. A review: the trend of progress about pH probes in cell application in recent years. Analyst 2018; 142:30-41. [PMID: 27757447 DOI: 10.1039/c6an01942k] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Intracellular pH values are some of the most important factors that govern biological processes and the acid-base homeostasis in cells, body fluids and organs sustains the normal operations of the body. Subcellular organelles including the acidic lysosomes and the alkalescent mitochondria undergo various processes such as intracellular digestion, ATP production and apoptosis. Due to their precise imaging capabilities, fluorescent probes have attracted great attention for the illustration of pH modulated processes. Furthermore, based on the unique acidic extracellular environment of acidic lysosomes, fluorescent probes can specifically be activated in cancer cells or tumors. In this review, recently reported lysosome and mitochondria specific pH imaging probes as well as pH-activatable cancer cell-targetable probes have been discussed.
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Affiliation(s)
- Yongkang Yue
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Molecular Science, Key Laboratory of Materials for Energy Conversion and Storage of Shanxi Province, Shanxi University, Taiyuan 030006, China.
| | - Fangjun Huo
- Research Institute of Applied Chemistry, Shanxi University, Taiyuan, 030006, China
| | - Songyi Lee
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 120750, Korea.
| | - Caixia Yin
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Molecular Science, Key Laboratory of Materials for Energy Conversion and Storage of Shanxi Province, Shanxi University, Taiyuan 030006, China.
| | - Juyoung Yoon
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 120750, Korea.
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206
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Liu P, Behray M, Wang Q, Wang W, Zhou Z, Chao Y, Bao Y. Anti-cancer activities of allyl isothiocyanate and its conjugated silicon quantum dots. Sci Rep 2018; 8:1084. [PMID: 29348534 PMCID: PMC5773486 DOI: 10.1038/s41598-018-19353-7] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Accepted: 11/08/2017] [Indexed: 12/11/2022] Open
Abstract
Allyl isothiocyanate (AITC), a dietary phytochemical in some cruciferous vegetables, exhibits promising anticancer activities in many cancer models. However, previous data showed AITC to have a biphasic effect on cell viability, DNA damage and migration in human hepatoma HepG2 cells. Moreover, in a 3D co-culture of HUVEC with pericytes, it inhibited tube formation at high doses but promoted this at low doses, which confirmed its biphasic effect on angiogenesis. siRNA knockdown of Nrf2 and glutathione inhibition abolished the stimulation effect of AITC on cell migration and DNA damage. The biological activity of a novel AITC-conjugated silicon quantum dots (AITC-SiQDs) has been investigated for the first time. AITC-SiQDs showed similar anti-cancer properties to AITC at high doses while avoiding the low doses stimulation effect. In addition, AITC-SiQDs showed a lower and long-lasting activation of Nrf2 translocation into nucleus which correlated with their levels of cellular uptake, as detected by the intrinsic fluorescence of SiQDs. ROS production could be one of the mechanisms behind the anti-cancer effect of AITC-SiQDs. These data provide novel insights into the biphasic effect of AITC and highlight the application of nanotechnology to optimize the therapeutic potential of dietary isothiocyanates in cancer treatment.
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Affiliation(s)
- Peng Liu
- Norwich Medical School, University of East Anglia, Norwich, Norfolk, United Kingdom
| | - Mehrnaz Behray
- School of Chemistry, University of East Anglia, Norwich, Norfolk, United Kingdom
| | - Qi Wang
- Norwich Medical School, University of East Anglia, Norwich, Norfolk, United Kingdom
| | - Wei Wang
- Norwich Medical School, University of East Anglia, Norwich, Norfolk, United Kingdom
| | - Zhigang Zhou
- Norwich Medical School, University of East Anglia, Norwich, Norfolk, United Kingdom
| | - Yimin Chao
- School of Chemistry, University of East Anglia, Norwich, Norfolk, United Kingdom
| | - Yongping Bao
- Norwich Medical School, University of East Anglia, Norwich, Norfolk, United Kingdom.
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207
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Zheng S, Huang C, Zhao X, Zhang Y, Liu S, Zhu Q. A hydrophobic organelle probe based on aggregation-induced emission: Nanosuspension preparation and direct use for endoplasmic reticulum imaging in living cells. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 189:231-238. [PMID: 28820976 DOI: 10.1016/j.saa.2017.08.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 07/29/2017] [Accepted: 08/07/2017] [Indexed: 06/07/2023]
Abstract
Organic fluorophores have a wide range of biological uses and are usually needed to be prepared as water-soluble compounds or nanoparticles for applications in aqueous biosystems owing to their hydrophobic properties, which often is a complex, time-consuming and high-cost process. Here, the nanoparticle preparation of hydrophobic fluorophores and their application in cell imaging have been investigated. It was found: a) fetal bovine serum (FBS) shows an excellent dispersion effect on hydrophobic small-molecule organic compounds; b) a hydrophobic C6-unsubstituted tetrahydropyrimidine (Me-THP-Naph) can be prepared as nanosuspensions utilizing cell culture medium with 10% FBS and directly be used as a specific real-time imaging probe for the endoplasmic reticulum (ER), a dynamic organelle playing a crucial role in many cellular processes. Compared with existing ER-targeted organic fluorescent probes, Me-THP-Naph, a product of an efficient five-component reaction that we developed, has unconventional aggregation-induced emission characteristics and shows advantages of low cost, long-term staining, good photostability, high signal-to-noise ratio and excellent biocompatibility, which make it a potential specific probe for real-time ER imaging. More importantly, this work affords a simple strategy for direct application of hydrophobic organic compounds in aqueous biological systems.
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Affiliation(s)
- Sichao Zheng
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou 510515, China
| | - Cuihong Huang
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou 510515, China
| | - Xuyan Zhao
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou 510515, China
| | - Yong Zhang
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou 510515, China
| | - Shuwen Liu
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou 510515, China
| | - Qiuhua Zhu
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou 510515, China.
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208
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Li X, Schumann C, Albarqi HA, Lee CJ, Alani AWG, Bracha S, Milovancev M, Taratula O, Taratula O. A Tumor-Activatable Theranostic Nanomedicine Platform for NIR Fluorescence-Guided Surgery and Combinatorial Phototherapy. Am J Cancer Res 2018; 8:767-784. [PMID: 29344305 PMCID: PMC5771092 DOI: 10.7150/thno.21209] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2017] [Accepted: 11/09/2017] [Indexed: 11/06/2022] Open
Abstract
Fluorescence image-guided surgery combined with intraoperative therapeutic modalities has great potential for intraoperative detection of oncologic targets and eradication of unresectable cancer residues. Therefore, we have developed an activatable theranostic nanoplatform that can be used concurrently for two purposes: (1) tumor delineation with real-time near infrared (NIR) fluorescence signal during surgery, and (2) intraoperative targeted treatment to further eliminate unresected disease sites by non-toxic phototherapy. Methods: The developed nanoplatform is based on a single agent, silicon naphthalocyanine (SiNc), encapsulated in biodegradable PEG-PCL (poly (ethylene glycol)-b-poly(ɛ-caprolactone)) nanoparticles. It is engineered to be non-fluorescent initially via dense SiNc packing within the nanoparticle's hydrophobic core, with NIR fluorescence activation after accumulation at the tumor site. The activatable nanoplatform was evaluated in vitro and in two different murine cancer models, including an ovarian intraperitoneal metastasis-mimicking model. Furthermore, fluorescence image-guided surgery mediated by this nanoplatform was performed on the employed animal models using a Fluobeam® 800 imaging system. Finally, the phototherapeutic efficacy of the developed nanoplatform was demonstrated in vivo. Results: Our in vitro data suggest that the intracellular environment of cancer cells is capable of compromising the integrity of self-assembled nanoparticles and thus causes disruption of the tight dye packing inside the hydrophobic cores and activation of the NIR fluorescence. Animal studies demonstrated accumulation of activatable nanoparticles at the tumor site following systemic administration, as well as release and fluorescence recovery of SiNc from the polymeric carrier. It was also validated that the developed nanoparticles are compatible with the intraoperative imaging system Fluobeam® 800, and nanoparticle-mediated image-guided surgery provides successful resection of cancer tumors. Finally, in vivo studies revealed that combinatorial phototherapy mediated by the nanoparticles could efficiently eradicate chemoresistant ovarian cancer tumors. Conclusion: The revealed properties of the activatable nanoplatform make it highly promising for further application in clinical image-guided surgery and combined phototherapy, facilitating a potential translation to clinical studies.
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209
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Revealing membrane permeability of polymersomes through fluorescence enhancement. Colloids Surf B Biointerfaces 2018; 161:156-161. [DOI: 10.1016/j.colsurfb.2017.10.058] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Revised: 10/03/2017] [Accepted: 10/20/2017] [Indexed: 02/06/2023]
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210
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Shiratori T, Kyumoto-Nakamura Y, Kukita A, Uehara N, Zhang J, Koda K, Kamiya M, Badawy T, Tomoda E, Xu X, Yamaza T, Urano Y, Koyano K, Kukita T. IL-1β Induces Pathologically Activated Osteoclasts Bearing Extremely High Levels of Resorbing Activity: A Possible Pathological Subpopulation of Osteoclasts, Accompanied by Suppressed Expression of Kindlin-3 and Talin-1. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2018; 200:218-228. [PMID: 29141864 DOI: 10.4049/jimmunol.1602035] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Accepted: 10/12/2017] [Indexed: 12/31/2022]
Abstract
As osteoclasts have the central roles in normal bone remodeling, it is ideal to regulate only the osteoclasts performing pathological bone destruction without affecting normal osteoclasts. Based on a hypothesis that pathological osteoclasts form under the pathological microenvironment of the bone tissues, we here set up optimum culture conditions to examine the entity of pathologically activated osteoclasts (PAOCs). Through searching various inflammatory cytokines and their combinations, we found the highest resorbing activity of osteoclasts when osteoclasts were formed in the presence of M-CSF, receptor activator of NF-κB ligand, and IL-1β. We have postulated that these osteoclasts are PAOCs. Analysis using confocal laser microscopy revealed that PAOCs showed extremely high proton secretion detected by the acid-sensitive fluorescence probe Rh-PM and bone resorption activity compared with normal osteoclasts. PAOCs showed unique morphology bearing high thickness and high motility with motile cellular processes in comparison with normal osteoclasts. We further examined the expression of Kindlin-3 and Talin-1, essential molecules for activating integrin β-chains. Although normal osteoclasts express high levels of Kindlin-3 and Talin-1, expression of these molecules was markedly suppressed in PAOCs, suggesting the abnormality in the adhesion property. When whole membrane surface of mature osteoclasts was biotinylated and analyzed, the IL-1β-induced cell surface protein was detected. PAOCs could form a subpopulation of osteoclasts possibly different from normal osteoclasts. PAOC-specific molecules could be an ideal target for regulating pathological bone destruction.
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Affiliation(s)
- Takuma Shiratori
- Department of Molecular Cell Biology and Oral Anatomy, Faculty of Dental Science, Kyushu University, Maidashi, Fukuoka 812-8582, Japan
- Department of Implant Rehabilitation Dentistry, Faculty of Dental Science, Kyushu University, Maidashi, Fukuoka 812-8582, Japan
| | - Yukari Kyumoto-Nakamura
- Department of Molecular Cell Biology and Oral Anatomy, Faculty of Dental Science, Kyushu University, Maidashi, Fukuoka 812-8582, Japan
| | - Akiko Kukita
- Department of Microbiology, Faculty of Medicine, Saga University, Nabeshima, Saga 849-8501, Japan
| | - Norihisa Uehara
- Department of Molecular Cell Biology and Oral Anatomy, Faculty of Dental Science, Kyushu University, Maidashi, Fukuoka 812-8582, Japan
| | - Jingqi Zhang
- Department of Molecular Cell Biology and Oral Anatomy, Faculty of Dental Science, Kyushu University, Maidashi, Fukuoka 812-8582, Japan
| | - Kinuko Koda
- Department of Chemical Biology and Molecular Imaging, Graduate School of Medicine, The University of Tokyo, Hongo, Tokyo 113-0033, Japan
| | - Mako Kamiya
- Department of Chemical Biology and Molecular Imaging, Graduate School of Medicine, The University of Tokyo, Hongo, Tokyo 113-0033, Japan
| | - Tamer Badawy
- Department of Molecular Cell Biology and Oral Anatomy, Faculty of Dental Science, Kyushu University, Maidashi, Fukuoka 812-8582, Japan
| | - Erika Tomoda
- Department of Molecular Cell Biology and Oral Anatomy, Faculty of Dental Science, Kyushu University, Maidashi, Fukuoka 812-8582, Japan
- Department of Pediatric Dentistry and Special Need Dentistry, Faculty of Dental Science, Kyushu University, Maidashi, Fukuoka 812-8582, Japan; and
| | - Xianghe Xu
- Department of Molecular Cell Biology and Oral Anatomy, Faculty of Dental Science, Kyushu University, Maidashi, Fukuoka 812-8582, Japan
- Department of Microbiology, Faculty of Medicine, Saga University, Nabeshima, Saga 849-8501, Japan
| | - Takayoshi Yamaza
- Department of Molecular Cell Biology and Oral Anatomy, Faculty of Dental Science, Kyushu University, Maidashi, Fukuoka 812-8582, Japan
| | - Yasuteru Urano
- Department of Chemical Biology and Molecular Imaging, Graduate School of Medicine, The University of Tokyo, Hongo, Tokyo 113-0033, Japan
- Department of Chemistry and Biology, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Hongo, Tokyo 113-0033, Japan
| | - Kiyoshi Koyano
- Department of Implant Rehabilitation Dentistry, Faculty of Dental Science, Kyushu University, Maidashi, Fukuoka 812-8582, Japan
| | - Toshio Kukita
- Department of Molecular Cell Biology and Oral Anatomy, Faculty of Dental Science, Kyushu University, Maidashi, Fukuoka 812-8582, Japan;
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211
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Zhang H, Chen X, Lan J, Liu Y, Zhou F, Wu D, You J. Silver-mediated direct C–H amination of BODIPYs for screening endoplasmic reticulum-targeting reagents. Chem Commun (Camb) 2018; 54:3219-3222. [DOI: 10.1039/c8cc00238j] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A highly efficient Ag(i)-mediated direct C–H amination of BODIPYs is accomplished. BODIPYs 3q and 4b exhibit specific ER-targeting capacities.
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Affiliation(s)
- Huaxing Zhang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Xingyu Chen
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Jingbo Lan
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Yanhong Liu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Fulin Zhou
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Di Wu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Jingsong You
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
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212
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Prasannan D, Arunkumar C. A “turn-on-and-off” pH sensitive BODIPY fluorescent probe for imaging E. coli cells. NEW J CHEM 2018. [DOI: 10.1039/c7nj04313a] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Highly selective fluorescent BODIPY probes towards H+ ions displayed good photostability and reversibility and the utility of acid sensitive behavior to visualize extreme acidity in E. coli cells is also demonstrated.
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Affiliation(s)
- Dijo Prasannan
- Bioinorganic Materials Research Laboratory, Department of Chemistry, National Institute of Technology Calicut
- Calicut-673 601
- India
| | - Chellaiah Arunkumar
- Bioinorganic Materials Research Laboratory, Department of Chemistry, National Institute of Technology Calicut
- Calicut-673 601
- India
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213
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Srivastava P, Srivastava P, Patra AK. Biological perspectives of a FRET based pH-probe exhibiting molecular logic gate operation with altering pH. NEW J CHEM 2018. [DOI: 10.1039/c8nj01318g] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A FRET probe for applications in pH sensing, CT-DNA/BSA interactions and logic gate/circuit construction with H+/OH−ions.
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Affiliation(s)
- Priyanka Srivastava
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Payal Srivastava
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Ashis K. Patra
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
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214
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Nagaya T, Nakamura YA, Choyke PL, Kobayashi H. Fluorescence-Guided Surgery. Front Oncol 2017; 7:314. [PMID: 29312886 PMCID: PMC5743791 DOI: 10.3389/fonc.2017.00314] [Citation(s) in RCA: 225] [Impact Index Per Article: 32.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Accepted: 12/05/2017] [Indexed: 01/02/2023] Open
Abstract
Surgical resection of cancer remains an important treatment modality. Despite advances in preoperative imaging, surgery itself is primarily guided by the surgeon’s ability to locate pathology with conventional white light imaging. Fluorescence-guided surgery (FGS) can be used to define tumor location and margins during the procedure. Intraoperative visualization of tumors may not only allow more complete resections but also improve safety by avoiding unnecessary damage to normal tissue which can also reduce operative time and decrease the need for second-look surgeries. A number of new FGS imaging probes have recently been developed, complementing a small but useful number of existing probes. In this review, we describe current and new fluorescent probes that may assist FGS.
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Affiliation(s)
- Tadanobu Nagaya
- Molecular Imaging Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Yu A Nakamura
- Molecular Imaging Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Peter L Choyke
- Molecular Imaging Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Hisataka Kobayashi
- Molecular Imaging Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
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215
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Wang Y, An R, Luo Z, Ye D. Firefly Luciferin-Inspired Biocompatible Chemistry for Protein Labeling and In Vivo Imaging. Chemistry 2017; 24:5707-5722. [PMID: 29068109 DOI: 10.1002/chem.201704349] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Indexed: 12/27/2022]
Abstract
Biocompatible reactions have emerged as versatile tools to build various molecular imaging probes that hold great promise for the detection of biological processes in vitro and/or in vivo. In this Minireview, we describe the recent advances in the development of a firefly luciferin-inspired biocompatible reaction between cyanobenzothiazole (CBT) and cysteine (Cys), and highlight its versatility to label proteins and build multimodality molecular imaging probes. The review starts from the general introduction of biocompatible reactions, which is followed by briefly describing the development of the firefly luciferin-inspired biocompatible chemistry. We then discuss its applications for the specific protein labeling and for the development of multimodality imaging probes (fluorescence, bioluminescence, MRI, PET, photoacoustic, etc.) that enable high sensitivity and spatial resolution imaging of redox environment, furin and caspase-3/7 activity in living cells and mice. Finally, we offer the conclusions and our perspective on the various and potential applications of this reaction. We hope that this review will contribute to the research of biocompatible reactions for their versatile applications in protein labeling and molecular imaging.
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Affiliation(s)
- Yuqi Wang
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Ruibing An
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Zhiliang Luo
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Deju Ye
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
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216
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Cilliers C, Menezes B, Nessler I, Linderman J, Thurber GM. Improved Tumor Penetration and Single-Cell Targeting of Antibody-Drug Conjugates Increases Anticancer Efficacy and Host Survival. Cancer Res 2017; 78:758-768. [PMID: 29217763 DOI: 10.1158/0008-5472.can-17-1638] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 10/18/2017] [Accepted: 11/28/2017] [Indexed: 12/31/2022]
Abstract
Current antibody-drug conjugates (ADC) have made advances in engineering the antibody, linker, conjugation site, small-molecule payload, and drug-to-antibody ratio (DAR). However, the relationship between heterogeneous intratumoral distribution and efficacy of ADCs is poorly understood. Here, we compared trastuzumab and ado-trastuzumab emtansine (T-DM1) to study the impact of ADC tumor distribution on efficacy. In a mouse xenograft model insensitive to trastuzumab, coadministration of trastuzumab with a fixed dose of T-DM1 at 3:1 and 8:1 ratios dramatically improved ADC tumor penetration and resulted in twice the improvement in median survival compared with T-DM1 alone. In this setting, the effective DAR was lowered, decreasing the amount of payload delivered to each targeted cell but increasing the number of cells that received payload. This result is counterintuitive because trastuzumab acts as an antagonist in vitro and has no single-agent efficacy in vivo, yet improves the effectiveness of T-DM1 in vivo Novel dual-channel fluorescence ratios quantified single-cell ADC uptake and metabolism and confirmed that the in vivo cellular dose of T-DM1 alone exceeded the minimum required for efficacy in this model. In addition, this technique characterized cellular pharmacokinetics with heterogeneous delivery after 1 day, degradation and payload release by 2 days, and in vitro cell killing and in vivo tumor shrinkage 2 to 3 days later. This work demonstrates that the intratumoral distribution of ADC, independent of payload dose or plasma clearance, plays a major role in ADC efficacy.Significance: This study shows how lowering the drug-to-antibody ratio during treatment can improve the intratumoral distribution of a antibody-drug conjugate, with implications for improving the efficacy of this class of cancer drugs. Cancer Res; 78(3); 758-68. ©2017 AACR.
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Affiliation(s)
- Cornelius Cilliers
- Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan
| | - Bruna Menezes
- Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan
| | - Ian Nessler
- Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan
| | - Jennifer Linderman
- Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan.,Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan
| | - Greg M Thurber
- Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan. .,Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan
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217
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DU YL, MO LT, YI YS, QIU LP, TAN WH. Aptamers from Cell-based Selection for Bioanalysis and Bioimaging. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2017. [DOI: 10.1016/s1872-2040(17)61052-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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218
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Kim TI, Hwang B, Bouffard J, Kim Y. Instantaneous Colorimetric and Fluorogenic Detection of Phosgene with a meso-Oxime-BODIPY. Anal Chem 2017; 89:12837-12842. [DOI: 10.1021/acs.analchem.7b03316] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Tae-Il Kim
- Department
of Chemistry and Research Institute of Basic Sciences, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Korea
| | - Byunghee Hwang
- Department
of Chemistry and Research Institute of Basic Sciences, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Korea
| | - Jean Bouffard
- Department
of Chemistry and Nano Science (BK 21 Plus), Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - Youngmi Kim
- Department
of Chemistry and Research Institute of Basic Sciences, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Korea
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219
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Sensarn S, Zavaleta CL, Segal E, Rogalla S, Lee W, Gambhir SS, Bogyo M, Contag CH. A Clinical Wide-Field Fluorescence Endoscopic Device for Molecular Imaging Demonstrating Cathepsin Protease Activity in Colon Cancer. Mol Imaging Biol 2017; 18:820-829. [PMID: 27154508 DOI: 10.1007/s11307-016-0956-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
PURPOSE Early and effective detection of cancers of the gastrointestinal tract will require novel molecular probes and advances in instrumentation that can reveal functional changes in dysplastic and malignant tissues. Here, we describe adaptation of a wide-field clinical fiberscope to perform wide-field fluorescence imaging while preserving its white-light capability for the purpose of providing wide-field fluorescence imaging capability to point-of-care microscopes. PROCEDURES We developed and used a fluorescent fiberscope to detect signals from a quenched probe, BMV109, that becomes fluorescent when cleaved by, and covalently bound to, active cathepsin proteases. Cathepsins are expressed in inflammation- and tumor-associated macrophages as well as directly from tumor cells and are a promising target for cancer imaging. The fiberscope has a 1-mm outer diameter enabling validation via endoscopic exams in mice, and therefore we evaluated topically applied BMV109 for the ability to detect colon polyps in an azoxymethane-induced colon tumor model in mice. RESULTS This wide-field endoscopic imaging device revealed consistent and clear fluorescence signals from BMV109 that specifically localized to the polypoid regions as opposed to the normal adjacent colon tissue (p < 0.004) in the murine colon carcinoma model. CONCLUSIONS The sensitivity of detection of BMV109 with the fluorescence fiberscope suggested utility of these tools for early detection at hard-to-reach sites. The fiberscope was designed to be used in conjunction with miniature, endoscope-compatible fluorescence microscopes for dual wide-field and microscopic cancer detection.
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Affiliation(s)
- Steven Sensarn
- Department of Radiology, Stanford University, James H. Clark Center for Biomedical Engineering & Sciences, Stanford, CA, 94305, USA.,Department of Pediatrics, Stanford University, James H. Clark Center for Biomedical Engineering & Sciences, Stanford, CA, 94305, USA.,Molecular Imaging Program at Stanford (MIPS), Stanford University, Stanford, CA, 94305, USA
| | - Cristina L Zavaleta
- Department of Radiology, Stanford University, James H. Clark Center for Biomedical Engineering & Sciences, Stanford, CA, 94305, USA.,Molecular Imaging Program at Stanford (MIPS), Stanford University, Stanford, CA, 94305, USA
| | - Ehud Segal
- Department of Pathology, Stanford University, Stanford, CA, 94305, USA
| | - Stephan Rogalla
- Department of Pediatrics, Stanford University, James H. Clark Center for Biomedical Engineering & Sciences, Stanford, CA, 94305, USA
| | - Wansik Lee
- Department of Radiology, Stanford University, James H. Clark Center for Biomedical Engineering & Sciences, Stanford, CA, 94305, USA.,Department of Internal Medicine, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Sanjiv S Gambhir
- Department of Radiology, Stanford University, James H. Clark Center for Biomedical Engineering & Sciences, Stanford, CA, 94305, USA.,Molecular Imaging Program at Stanford (MIPS), Stanford University, Stanford, CA, 94305, USA.,Department of Bioengineering, Stanford University, Stanford, CA, 94305, USA.,Department of Materials Science and Engineering, Stanford University, Stanford, CA, 94305, USA
| | - Matthew Bogyo
- Department of Pathology, Stanford University, Stanford, CA, 94305, USA
| | - Christopher H Contag
- Department of Radiology, Stanford University, James H. Clark Center for Biomedical Engineering & Sciences, Stanford, CA, 94305, USA. .,Department of Pediatrics, Stanford University, James H. Clark Center for Biomedical Engineering & Sciences, Stanford, CA, 94305, USA. .,Molecular Imaging Program at Stanford (MIPS), Stanford University, Stanford, CA, 94305, USA. .,Department of Microbiology & Immunology, Stanford University, Stanford, CA, 94305, USA. .,Stanford University, 318 Campus Drive, Stanford, CA, 94305-5427, USA.
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220
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Waldner MJ, Rath T, Schürmann S, Bojarski C, Atreya R. Imaging of Mucosal Inflammation: Current Technological Developments, Clinical Implications, and Future Perspectives. Front Immunol 2017; 8:1256. [PMID: 29075256 PMCID: PMC5641553 DOI: 10.3389/fimmu.2017.01256] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2017] [Accepted: 09/21/2017] [Indexed: 12/12/2022] Open
Abstract
In recent years, various technological developments markedly improved imaging of mucosal inflammation in patients with inflammatory bowel diseases. Although technological developments such as high-definition-, chromo-, and autofluorescence-endoscopy led to a more precise and detailed assessment of mucosal inflammation during wide-field endoscopy, probe-based and stationary confocal laser microscopy enabled in vivo real-time microscopic imaging of mucosal surfaces within the gastrointestinal tract. Through the use of fluorochromes with specificity against a defined molecular target combined with endoscopic techniques that allow ultrastructural resolution, molecular imaging enables in vivo visualization of single molecules or receptors during endoscopy. Molecular imaging has therefore greatly expanded the clinical utility and applications of modern innovative endoscopy, which include the diagnosis, surveillance, and treatment of disease as well as the prediction of the therapeutic response of individual patients. Furthermore, non-invasive imaging techniques such as computed tomography, magnetic resonance imaging, scintigraphy, and ultrasound provide helpful information as supplement to invasive endoscopic procedures. In this review, we provide an overview on the current status of advanced imaging technologies for the clinical non-invasive and endoscopic evaluation of mucosal inflammation. Furthermore, the value of novel methods such as multiphoton microscopy, optoacoustics, and optical coherence tomography and their possible future implementation into clinical diagnosis and evaluation of mucosal inflammation will be discussed.
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Affiliation(s)
- Maximilian J Waldner
- Department of Medicine 1, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Timo Rath
- Department of Medicine 1, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Sebastian Schürmann
- Institute of Medical Biotechnology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Christian Bojarski
- Department of Gastroenterology, Infectiology and Rheumatology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Raja Atreya
- Department of Medicine 1, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
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221
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Shi R, Huang L, Duan X, Sun G, Yin G, Wang R, Zhu JJ. Selective imaging of cancer cells with a pH-activatable lysosome-targeting fluorescent probe. Anal Chim Acta 2017; 988:66-73. [DOI: 10.1016/j.aca.2017.07.055] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 07/19/2017] [Accepted: 07/24/2017] [Indexed: 12/24/2022]
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222
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Shi X, Yu CYY, Su H, Kwok RTK, Jiang M, He Z, Lam JWY, Tang BZ. A red-emissive antibody-AIEgen conjugate for turn-on and wash-free imaging of specific cancer cells. Chem Sci 2017; 8:7014-7024. [PMID: 30155197 PMCID: PMC6103257 DOI: 10.1039/c7sc01054k] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Accepted: 08/07/2017] [Indexed: 12/27/2022] Open
Abstract
An antibody-AIEgen conjugate is designed and developed as a "turn-on" fluorescent probe for wash-free specific cancer cell imaging. The cetuximab-conjugated AIEgen shows red fluorescence only when it is internalized and accumulated in cancer cells with overexpressed epidermal growth factor receptor through endocytosis. The probe first lights up the lysosomes. After hydrolysis, its residue is accumulated in mitochondria, making them highly emissive with a long cell retention time. Compared with conventional "always-on" fluorescent probes, the antibody-AIEgen conjugate exhibits a very good image contrast during wash-free cancer cell imaging and less interference from normal cells. To the best of our knowledge, this is the first time "turn-on" antibody-AIEgen conjugates have been reported. This new strategy can be further extended to many proteins and water-soluble AIEgens, and many of their potential applications such as real-time tracking of cell dynamics and cancer theranostics will be explored. The present work is expected to inspire more marvellous research in the fields of AIE and cancer imaging.
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Affiliation(s)
- Xiujuan Shi
- Department of Chemical and Biological Engineering , Department of Chemistry , Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction , State Key Laboratory of Molecular Neuroscience , Institute of Molecular Functional Materials , Division of Life Science , The Hong Kong University of Science & Technology (HKUST) , Clear Water Bay , Kowloon , Hong Kong , China
- HKUST-Shenzhen Research Institute , No. 9 Yuexing 1st RD, South Area, Hi-Tech Park, Nanshan , Shenzhen 518057 , China
| | - Chris Y Y Yu
- Department of Chemical and Biological Engineering , Department of Chemistry , Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction , State Key Laboratory of Molecular Neuroscience , Institute of Molecular Functional Materials , Division of Life Science , The Hong Kong University of Science & Technology (HKUST) , Clear Water Bay , Kowloon , Hong Kong , China
- HKUST-Shenzhen Research Institute , No. 9 Yuexing 1st RD, South Area, Hi-Tech Park, Nanshan , Shenzhen 518057 , China
| | - Huifang Su
- Department of Chemical and Biological Engineering , Department of Chemistry , Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction , State Key Laboratory of Molecular Neuroscience , Institute of Molecular Functional Materials , Division of Life Science , The Hong Kong University of Science & Technology (HKUST) , Clear Water Bay , Kowloon , Hong Kong , China
- HKUST-Shenzhen Research Institute , No. 9 Yuexing 1st RD, South Area, Hi-Tech Park, Nanshan , Shenzhen 518057 , China
| | - Ryan T K Kwok
- Department of Chemical and Biological Engineering , Department of Chemistry , Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction , State Key Laboratory of Molecular Neuroscience , Institute of Molecular Functional Materials , Division of Life Science , The Hong Kong University of Science & Technology (HKUST) , Clear Water Bay , Kowloon , Hong Kong , China
- HKUST-Shenzhen Research Institute , No. 9 Yuexing 1st RD, South Area, Hi-Tech Park, Nanshan , Shenzhen 518057 , China
| | - Meijuan Jiang
- Department of Chemical and Biological Engineering , Department of Chemistry , Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction , State Key Laboratory of Molecular Neuroscience , Institute of Molecular Functional Materials , Division of Life Science , The Hong Kong University of Science & Technology (HKUST) , Clear Water Bay , Kowloon , Hong Kong , China
- HKUST-Shenzhen Research Institute , No. 9 Yuexing 1st RD, South Area, Hi-Tech Park, Nanshan , Shenzhen 518057 , China
| | - Zikai He
- Department of Chemical and Biological Engineering , Department of Chemistry , Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction , State Key Laboratory of Molecular Neuroscience , Institute of Molecular Functional Materials , Division of Life Science , The Hong Kong University of Science & Technology (HKUST) , Clear Water Bay , Kowloon , Hong Kong , China
- HKUST-Shenzhen Research Institute , No. 9 Yuexing 1st RD, South Area, Hi-Tech Park, Nanshan , Shenzhen 518057 , China
| | - Jacky W Y Lam
- Department of Chemical and Biological Engineering , Department of Chemistry , Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction , State Key Laboratory of Molecular Neuroscience , Institute of Molecular Functional Materials , Division of Life Science , The Hong Kong University of Science & Technology (HKUST) , Clear Water Bay , Kowloon , Hong Kong , China
- HKUST-Shenzhen Research Institute , No. 9 Yuexing 1st RD, South Area, Hi-Tech Park, Nanshan , Shenzhen 518057 , China
| | - Ben Zhong Tang
- Department of Chemical and Biological Engineering , Department of Chemistry , Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction , State Key Laboratory of Molecular Neuroscience , Institute of Molecular Functional Materials , Division of Life Science , The Hong Kong University of Science & Technology (HKUST) , Clear Water Bay , Kowloon , Hong Kong , China
- HKUST-Shenzhen Research Institute , No. 9 Yuexing 1st RD, South Area, Hi-Tech Park, Nanshan , Shenzhen 518057 , China
- Guangdong Innovative Research Team , SCUT-HKUST Joint Research Laboratory , State Key Laboratory of Luminescent Materials and Devices , South China University of Technology , Guangzhou 510640 , China
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223
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Poola PK, John R. Label-free nanoscale characterization of red blood cell structure and dynamics using single-shot transport of intensity equation. JOURNAL OF BIOMEDICAL OPTICS 2017; 22:1-7. [PMID: 28984088 DOI: 10.1117/1.jbo.22.10.106001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Accepted: 08/23/2017] [Indexed: 06/07/2023]
Abstract
We report the results of characterization of red blood cell (RBC) structure and its dynamics with nanometric sensitivity using transport of intensity equation microscopy (TIEM). Conventional transport of intensity technique requires three intensity images and hence is not suitable for studying real-time dynamics of live biological samples. However, assuming the sample to be homogeneous, phase retrieval using transport of intensity equation has been demonstrated with single defocused measurement with x-rays. We adopt this technique for quantitative phase light microscopy of homogenous cells like RBCs. The main merits of this technique are its simplicity, cost-effectiveness, and ease of implementation on a conventional microscope. The phase information can be easily merged with regular bright-field and fluorescence images to provide multidimensional (three-dimensional spatial and temporal) information without any extra complexity in the setup. The phase measurement from the TIEM has been characterized using polymeric microbeads and the noise stability of the system has been analyzed. We explore the structure and real-time dynamics of RBCs and the subdomain membrane fluctuations using this technique.
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Affiliation(s)
- Praveen Kumar Poola
- Indian Institute of Technology Hyderabad, Department of Biomedical Engineering, Kandi, Telangana, India
| | - Renu John
- Indian Institute of Technology Hyderabad, Department of Biomedical Engineering, Kandi, Telangana, India
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224
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Tang P, Jiang X, Wang Y, Chen H, Zhang YS, Gao P, Wang H, Li X, Zhou J. Plasmonic Nanoprobe of (Gold Triangular Nanoprism Core)/(Polyaniline Shell) for Real-Time Three-Dimensional pH Imaging of Anterior Chamber. Anal Chem 2017; 89:9758-9766. [PMID: 28809545 DOI: 10.1021/acs.analchem.7b01623] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Three-dimensional (3D) molecular imaging enables the study of biological processes in both living and nonviable systems at the molecular level and has a high potential on early diagnosis. In conjunction with specific molecular probes, optical coherent tomography (OCT) is a promising imaging modality to provide 3D molecular features at the tissue level. In this study, we introduced (gold triangular nanoprism core)/(polyaniline shell) nanoparticles (GTNPs@PANI) as an OCT contrast agent and pH-responsive nanoprobe for 3D imaging of pH distribution. These core/shell nanoparticles possessed significantly different extinction and scattering properties in acidic and basic microenvironments. The switch of the optical features of the nanoparticles upon pH change was reversible, and the response time was less than 1.0 s. The nanoprobe successfully indicated the acid regions of a mimic tumor from the basic region in a gelatin-based phantom under OCT imaging. As a demonstration of practical applications, real-time 3D OCT imaging of pH and lactic acid in the anterior chamber of a fish eye was realized by GTNPs@PANI nanoparticles. Using GTNPs@PANI nanoparticles as the contrast probes for OCT imaging, noninvasive and real-time molecular imaging in both living and nonviable systems at the microscale can be achieved.
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Affiliation(s)
| | | | | | | | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School , Cambridge, Massachusetts 02139, United States
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225
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Yuan B, Sun Y, Guo Q, Huang J, Yang X, Chen Y, Wen X, Meng X, Liu J, Wang K. High Signal-to-Background Ratio Detection of Cancer Cells with Activatable Strategy Based on Target-Induced Self-Assembly of Split Aptamers. Anal Chem 2017; 89:9347-9353. [PMID: 28782924 DOI: 10.1021/acs.analchem.7b02153] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Highly sensitive detection of cancer cells with high signal-to-background ratio (SBR) is still urgently needed. Here, a self-assembling activatable probe (SAAP) based on split aptamers was developed to meet this purpose. The SAAP is formed with quenched fluorescence; only when target cells are present would the split aptamers self-assemble together and thus activate fluorescence by intramolecular and intermolecular fluorescence quenching strategies. As proof of concept, a split aptamer pair stemming from an intact aptamer, ZY11, developed by our lab was selected to construct SAAP. Owing to the design of self-assembly and activation strategy, the SBR of our approach could be raised to ∼40 and achieved a very low detection limit of seven target 7721 cells in 100 μL of binding buffer. Meanwhile, one-step detection of target cells was achieved within 15 min without any washing steps and pretreatment, which shows potential for point-of-care detection. Moreover, we succeeded in the specific recognition of target cells in 50% human serum and mixed cell samples, which indicated this strategy had great advantages in detection in complex biological samples. In addition, dual-signal detection was also successfully implemented, which may be helpful for accurate detection of target cells. Therefore, this rapid, facile, specific, and highly sensitive detection method for cancer cells may provide convenience in cancer research and medical diagnosis.
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Affiliation(s)
- Baoyin Yuan
- State Key Laboratory of Chemo/Biosensing and Chemometrics and Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, College of Chemistry and Chemical Engineering, Hunan University , Changsha 410082, China
| | - Yuqiong Sun
- State Key Laboratory of Chemo/Biosensing and Chemometrics and Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, College of Chemistry and Chemical Engineering, Hunan University , Changsha 410082, China
| | - Qiuping Guo
- State Key Laboratory of Chemo/Biosensing and Chemometrics and Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, College of Chemistry and Chemical Engineering, Hunan University , Changsha 410082, China
| | - Jin Huang
- State Key Laboratory of Chemo/Biosensing and Chemometrics and Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, College of Chemistry and Chemical Engineering, Hunan University , Changsha 410082, China
| | - Xiaohai Yang
- State Key Laboratory of Chemo/Biosensing and Chemometrics and Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, College of Chemistry and Chemical Engineering, Hunan University , Changsha 410082, China
| | - Yuanyuan Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics and Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, College of Chemistry and Chemical Engineering, Hunan University , Changsha 410082, China
| | - Xiaohong Wen
- State Key Laboratory of Chemo/Biosensing and Chemometrics and Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, College of Chemistry and Chemical Engineering, Hunan University , Changsha 410082, China
| | - Xiangxian Meng
- State Key Laboratory of Chemo/Biosensing and Chemometrics and Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, College of Chemistry and Chemical Engineering, Hunan University , Changsha 410082, China
| | - Jianbo Liu
- State Key Laboratory of Chemo/Biosensing and Chemometrics and Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, College of Chemistry and Chemical Engineering, Hunan University , Changsha 410082, China
| | - Kemin Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics and Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, College of Chemistry and Chemical Engineering, Hunan University , Changsha 410082, China
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Xiong H, Zuo H, Yan Y, Occhialini G, Zhou K, Wan Y, Siegwart DJ. High-Contrast Fluorescence Detection of Metastatic Breast Cancer Including Bone and Liver Micrometastases via Size-Controlled pH-Activatable Water-Soluble Probes. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2017; 29:1700131. [PMID: 28563903 DOI: 10.1002/adma.201700131] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Revised: 04/19/2017] [Indexed: 06/07/2023]
Abstract
Breast cancer metastasis is the major cause of cancer death in women worldwide. Early detection would save many lives, but current fluorescence imaging probes are limited in their detection ability, particularly of bone and liver micrometastases. Herein, probes that are capable of imaging tiny (<1 mm) micrometastases in the liver, lung, pancreas, kidneys, and bone, that have disseminated from the primary site, are reported. The influence of the poly(ethylene glycol) (PEG) chain length on the performance of water-soluble, pH-responsive, near-infrared 4,4'-difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY) probes is systematically investigated to demonstrate that PEG tuning can provide control over micrometastasis tracking with high tumor-to-background contrast (up to 12/1). Optimized probes can effectively visualize tumor boundaries and successfully detect micrometastases with diameters <1 mm. The bone-metastasis-targeting ability of these probes is further enhanced by covalent functionalization with bisphosphonate. This improved detection of both bone and liver micrometastases (<2 mm) with excellent tumor-to-normal contrast (5.2/1). A versatile method is thus introduced to directly synthesize modular water-soluble probes with broad potential utility. Through a single intravenous injection, these materials can image micrometastases in multiple organs with spatiotemporal resolution. They thus hold promise for metastasis diagnosis, image-guided surgery, and theranostic PEGylated drug therapies.
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Affiliation(s)
- Hu Xiong
- Simmons Comprehensive Cancer Center, Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Hao Zuo
- Department of Pharmacology, Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Yunfeng Yan
- Simmons Comprehensive Cancer Center, Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Gino Occhialini
- Simmons Comprehensive Cancer Center, Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Kejin Zhou
- Simmons Comprehensive Cancer Center, Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Yihong Wan
- Department of Pharmacology, Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Daniel J Siegwart
- Simmons Comprehensive Cancer Center, Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
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228
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Guo Y, Yang K, Sun J, Wu J, Ju H. A pH-responsive colorimetric strategy for DNA detection by acetylcholinesterase catalyzed hydrolysis and cascade amplification. Biosens Bioelectron 2017; 94:651-656. [DOI: 10.1016/j.bios.2017.03.066] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2017] [Revised: 03/28/2017] [Accepted: 03/30/2017] [Indexed: 12/21/2022]
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229
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Gotor R, Ashokkumar P, Hecht M, Keil K, Rurack K. Optical pH Sensor Covering the Range from pH 0-14 Compatible with Mobile-Device Readout and Based on a Set of Rationally Designed Indicator Dyes. Anal Chem 2017; 89:8437-8444. [PMID: 28696681 DOI: 10.1021/acs.analchem.7b01903] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
In this work, a family of pH-responsive fluorescent probes has been designed in a rational manner with the aid of quantum chemistry tools, covering the entire pH range from 0-14. Relying on the boron-dipyrromethene (BODIPY) core, all the probes as well as selected reference dyes display very similar spectroscopic properties with ON-OFF fluorescence switching responses, facilitating optical readout in simple devices used for detection and analysis. Embedding of the probes and reference dyes into hydrogel spots on a plastic strip yielded a test strip that reversibly indicates pH with a considerably small uncertainty of ∼0.1 pH units. These strips are not only reusable but, combined with a 3D-printed case that can be attached to a smartphone, the USB port of which drives the integrated LED used for excitation, allows for autonomous operation in on-site or in-the-field applications; the developed Android application software ("app") further simplifies operation for unskilled users.
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Affiliation(s)
- Raúl Gotor
- Chemical and Optical Sensing Division, Bundesanstalt für Materialforschung und -prüfung (BAM) , Richard-Willstätter-Strasse 11, 12489 Berlin, Germany
| | - Pichandi Ashokkumar
- Chemical and Optical Sensing Division, Bundesanstalt für Materialforschung und -prüfung (BAM) , Richard-Willstätter-Strasse 11, 12489 Berlin, Germany
| | - Mandy Hecht
- Chemical and Optical Sensing Division, Bundesanstalt für Materialforschung und -prüfung (BAM) , Richard-Willstätter-Strasse 11, 12489 Berlin, Germany
| | - Karin Keil
- Chemical and Optical Sensing Division, Bundesanstalt für Materialforschung und -prüfung (BAM) , Richard-Willstätter-Strasse 11, 12489 Berlin, Germany
| | - Knut Rurack
- Chemical and Optical Sensing Division, Bundesanstalt für Materialforschung und -prüfung (BAM) , Richard-Willstätter-Strasse 11, 12489 Berlin, Germany
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230
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Xu X, Saw PE, Tao W, Li Y, Ji X, Yu M, Mahmoudi M, Rasmussen J, Ayyash D, Zhou Y, Farokhzad OC, Shi J. Tumor Microenvironment-Responsive Multistaged Nanoplatform for Systemic RNAi and Cancer Therapy. NANO LETTERS 2017; 17:4427-4435. [PMID: 28636389 PMCID: PMC5615408 DOI: 10.1021/acs.nanolett.7b01571] [Citation(s) in RCA: 99] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
While RNA interference (RNAi) therapy has demonstrated significant potential for cancer treatment, the effective and safe systemic delivery of RNAi agents such as small interfering RNA (siRNA) into tumor cells in vivo remains challenging. We herein reported a unique multistaged siRNA delivery nanoparticle (NP) platform, which is comprised of (i) a polyethylene glycol (PEG) surface shell, (ii) a sharp tumor microenvironment (TME) pH-responsive polymer that forms the NP core, and (iii) charge-mediated complexes of siRNA and tumor cell-targeting- and penetrating-peptide-amphiphile (TCPA) that are encapsulated in the NP core. When the rationally designed, long circulating polymeric NPs accumulate in tumor tissues after intravenous administration, the targeted siRNA-TCPA complexes can be rapidly released via TME pH-mediated NP disassembly for subsequent specific targeting of tumor cells and cytosolic transport, thus achieving efficient gene silencing. In vivo results further demonstrate that the multistaged NP delivery of siRNA against bromodomain 4 (BRD4), a recently discovered target protein that regulates the development and progression of prostate cancer (PCa), can significantly inhibit PCa tumor growth.
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Affiliation(s)
- Xiaoding Xu
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Phei Er Saw
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Wei Tao
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Yujing Li
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Xiaoyuan Ji
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Mikyung Yu
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Morteza Mahmoudi
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Jonathan Rasmussen
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Dana Ayyash
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Yuxiao Zhou
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Omid C. Farokhzad
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Jinjun Shi
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
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231
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Wu W, Shao X, Zhao J, Wu M. Controllable Photodynamic Therapy Implemented by Regulating Singlet Oxygen Efficiency. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2017; 4:1700113. [PMID: 28725533 PMCID: PMC5515253 DOI: 10.1002/advs.201700113] [Citation(s) in RCA: 94] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 04/08/2017] [Indexed: 05/25/2023]
Abstract
With singlet oxygen (1O2) as the active agent, photodynamic therapy (PDT) is a promising technique for the treatment of various tumors and cancers. But it is hampered by the poor selectivity of most traditional photosensitizers (PS). In this review, we present a summary of controllable PDT implemented by regulating singlet oxygen efficiency. Herein, various controllable PDT strategies based on different initiating conditions (such as pH, light, H2O2 and so on) have been summarized and introduced. More importantly, the action mechanisms of controllable PDT strategies, such as photoinduced electron transfer (PET), fluorescence resonance energy transfer (FRET), intramolecular charge transfer (ICT) and some physical/chemical means (e.g. captivity and release), are described as a key point in the article. This review provide a general overview of designing novel PS or strategies for effective and controllable PDT.
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Affiliation(s)
- Wenting Wu
- State Key Laboratory of Heavy Oil ProcessingChina University of PetroleumQingdao266580China
- State Key Laboratory of Fine ChemicalsSchool of Chemical EngineeringDalian University of TechnologyDalian116024P. R. China
| | - Xiaodong Shao
- State Key Laboratory of Heavy Oil ProcessingChina University of PetroleumQingdao266580China
| | - Jianzhang Zhao
- State Key Laboratory of Fine ChemicalsSchool of Chemical EngineeringDalian University of TechnologyDalian116024P. R. China
| | - Mingbo Wu
- State Key Laboratory of Heavy Oil ProcessingChina University of PetroleumQingdao266580China
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232
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Xiao L, Tian X, Harihar S, Li Q, Li L, Welch DR, Zhou A. Gd 2O 3-doped silica @ Au nanoparticles for in vitro imaging cancer biomarkers using surface-enhanced Raman scattering. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2017; 181:218-225. [PMID: 28365452 PMCID: PMC5427483 DOI: 10.1016/j.saa.2017.03.033] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2016] [Revised: 02/26/2017] [Accepted: 03/14/2017] [Indexed: 06/07/2023]
Abstract
There has been an interest in developing multimodal approaches to combine the advantages of individual imaging modalities, as well as to compensate for respective weaknesses. We previously reported a composite nano-system composed of gadolinium-doped mesoporous silica nanoparticle and gold nanoparticle (Gd-Au NPs) as an efficient MRI contrast agent for in vivo cancer imaging. However, MRI lacks sensitivity and is unsuitable for in vitro cancer detection. Thus, here we performed a study to use the Gd-Au NPs for detection and imaging of a widely recognized human cancer biomarker, epidermal growth factor receptor (EGFR), in individual human cancer cells with surface-enhanced Raman scattering (SERS). The Gd-Au NPs were sequentially conjugated with a monoclonal antibody recognizing EGFR and a Raman reporter molecule, 4-meraptobenzoic acid (MBA), to generate a characteristic SERS signal at 1075cm-1. By spatially mapping the SERS intensity at 1075cm-1, cellular distribution of EGFR and its relocalization on the plasma membrane were measured in situ. In addition, the EGFR expression levels in three human cancer cell lines (S18, A431 and A549) were measured using this SERS probe, which were consistent with the comparable measurements using immunoblotting and immunofluorescence. Our SERS results show that functionalized Gd-Au NPs successfully targeted EGFR molecules in three human cancer cell lines and monitored changes in single cell EGFR distribution in situ, demonstrating its potential to study cell activity under physiological conditions. This SERS study, combined with our previous MRI study, suggests the Gd-Au nanocomposite is a promising candidate contrast agent for multimodal cancer imaging.
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Affiliation(s)
- Lifu Xiao
- Department of Biological Engineering, Utah State University, Logan, UT 84322-4105, USA
| | - Xiumei Tian
- Department of Biomedical Engineering, Guangzhou Medical College, Guangzhou 510182, People's Republic of China
| | - Sitaram Harihar
- Department of Cancer Biology, The University of Kansas Medical Center and The University of Kansas Cancer Center, Kansas City, KS 66160, USA
| | - Qifei Li
- Department of Biological Engineering, Utah State University, Logan, UT 84322-4105, USA; Genetic and Metabolic Central Laboratory, Guangxi Maternal and Child Health Hospital, No.59, Xiangzhu Road, Nanning 530003, Guangxi, People's Republic of China
| | - Li Li
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou 510060, People's Republic of China
| | - Danny R Welch
- Department of Cancer Biology, The University of Kansas Medical Center and The University of Kansas Cancer Center, Kansas City, KS 66160, USA
| | - Anhong Zhou
- Department of Biological Engineering, Utah State University, Logan, UT 84322-4105, USA.
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233
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Miyata Y, Ishizawa T, Kamiya M, Yamashita S, Hasegawa K, Ushiku A, Shibahara J, Fukayama M, Urano Y, Kokudo N. Intraoperative imaging of hepatic cancers using γ-glutamyltranspeptidase-specific fluorophore enabling real-time identification and estimation of recurrence. Sci Rep 2017; 7:3542. [PMID: 28615696 PMCID: PMC5471246 DOI: 10.1038/s41598-017-03760-3] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Accepted: 05/03/2017] [Indexed: 01/10/2023] Open
Abstract
γ-Glutamyltranspeptidase (GGT) is upregulated in a variety of human cancers including primary and secondary hepatic tumors. This motivated us to use γ-glutamyl hydroxymethyl rhodamine green (gGlu-HMRG), a novel fluorophore emitting light at around 520 nm following enzymatic reaction with GGT, as a tool for the intraoperative identification of hepatic tumors. gGlu-HMRG was topically applied to 103 freshly resected hepatic specimens. Fluorescence imaging using gGlu-HMRG identified hepatic tumors with the sensitivity/specificity of 48%/96% for hepatocellular carcinoma, 100%/100% for intrahepatic cholangiocarcinoma, and 87%/100% for colorectal liver metastasis. High gGlu-HMRG fluorescence intensity was positively associated with the incidence of microscopic vascular invasion in HCC and the risk of early postoperative recurrence in CRLM. These results suggest that gGlu-HMRG imaging could not only be a useful intraoperative navigation tool but also provide information related to postoperative disease recurrence.
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Affiliation(s)
- Yoichi Miyata
- Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Takeaki Ishizawa
- Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan. .,Department of Gastroenterological Surgery, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan.
| | - Mako Kamiya
- Laboratory of Chemical Biology and Molecular Imaging, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.,PRESTO, Japan Science and Technology Agency, Saitama, Japan
| | - Suguru Yamashita
- Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Kiyoshi Hasegawa
- Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Aya Ushiku
- Department of Pathology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Junji Shibahara
- Department of Pathology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Masashi Fukayama
- Department of Pathology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yasuteru Urano
- Laboratory of Chemical Biology and Molecular Imaging, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan. .,Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan. .,CREST, Japan Agency for Medical Research and Development, Tokyo, Japan.
| | - Norihiro Kokudo
- Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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234
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Zhang RR, Schroeder AB, Grudzinski JJ, Rosenthal EL, Warram JM, Pinchuk AN, Eliceiri KW, Kuo JS, Weichert JP. Beyond the margins: real-time detection of cancer using targeted fluorophores. Nat Rev Clin Oncol 2017; 14:347-364. [PMID: 28094261 PMCID: PMC5683405 DOI: 10.1038/nrclinonc.2016.212] [Citation(s) in RCA: 301] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Over the past two decades, synergistic innovations in imaging technology have resulted in a revolution in which a range of biomedical applications are now benefiting from fluorescence imaging. Specifically, advances in fluorophore chemistry and imaging hardware, and the identification of targetable biomarkers have now positioned intraoperative fluorescence as a highly specific real-time detection modality for surgeons in oncology. In particular, the deeper tissue penetration and limited autofluorescence of near-infrared (NIR) fluorescence imaging improves the translational potential of this modality over visible-light fluorescence imaging. Rapid developments in fluorophores with improved characteristics, detection instrumentation, and targeting strategies led to the clinical testing in the early 2010s of the first targeted NIR fluorophores for intraoperative cancer detection. The foundations for the advances that underline this technology continue to be nurtured by the multidisciplinary collaboration of chemists, biologists, engineers, and clinicians. In this Review, we highlight the latest developments in NIR fluorophores, cancer-targeting strategies, and detection instrumentation for intraoperative cancer detection, and consider the unique challenges associated with their effective application in clinical settings.
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Affiliation(s)
- Ray R Zhang
- Department of Radiology, University of Wisconsin-Madison (UW-Madison), 600 Highland Avenue, Madison, Wisconsin 53792, USA
- Department of Neurological Surgery, UW-Madison, 600 Highland Avenue, Madison, Wisconsin 53792, USA
| | - Alexandra B Schroeder
- Medical Engineering, Morgridge Institute for Research, 330 North Orchard Street, Madison, Wisconsin 53715, USA
- Laboratory for Optical and Computational Instrumentation, 1675 Observatory Drive, Madison Wisconsin 53706, USA
- Department of Medical Physics, UW-Madison, 1111 Highland Avenue, Madison, Wisconsin 53705, USA
| | - Joseph J Grudzinski
- Department of Medical Physics, UW-Madison, 1111 Highland Avenue, Madison, Wisconsin 53705, USA
| | - Eben L Rosenthal
- Department of Otolaryngology, Stanford Cancer Center, 875 Blake Wilbur Drive, Stanford, California 94305, USA
| | - Jason M Warram
- Department of Otolaryngology, University of Alabama at Birmingham, 1670 University Boulevard, Birmingham, Alabama 35294, USA
| | - Anatoly N Pinchuk
- Department of Radiology, University of Wisconsin-Madison (UW-Madison), 600 Highland Avenue, Madison, Wisconsin 53792, USA
| | - Kevin W Eliceiri
- Medical Engineering, Morgridge Institute for Research, 330 North Orchard Street, Madison, Wisconsin 53715, USA
- Laboratory for Optical and Computational Instrumentation, 1675 Observatory Drive, Madison Wisconsin 53706, USA
- Department of Medical Physics, UW-Madison, 1111 Highland Avenue, Madison, Wisconsin 53705, USA
- Carbone Cancer Center, UW-Madison, 600 Highland Avenue Madison, Wisconsin 53792, USA
| | - John S Kuo
- Department of Neurological Surgery, UW-Madison, 600 Highland Avenue, Madison, Wisconsin 53792, USA
- Carbone Cancer Center, UW-Madison, 600 Highland Avenue Madison, Wisconsin 53792, USA
| | - Jamey P Weichert
- Department of Radiology, University of Wisconsin-Madison (UW-Madison), 600 Highland Avenue, Madison, Wisconsin 53792, USA
- Department of Medical Physics, UW-Madison, 1111 Highland Avenue, Madison, Wisconsin 53705, USA
- Carbone Cancer Center, UW-Madison, 600 Highland Avenue Madison, Wisconsin 53792, USA
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235
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Zhao X, Yang CX, Chen LG, Yan XP. Dual-stimuli responsive and reversibly activatable theranostic nanoprobe for precision tumor-targeting and fluorescence-guided photothermal therapy. Nat Commun 2017; 8:14998. [PMID: 28524865 PMCID: PMC5454460 DOI: 10.1038/ncomms14998] [Citation(s) in RCA: 170] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Accepted: 02/20/2017] [Indexed: 12/12/2022] Open
Abstract
The integrated functions of diagnostics and therapeutics make theranostics great potential for personalized medicine. Stimulus-responsive therapy allows spatial control of therapeutic effect only in the site of interest, and offers promising opportunities for imaging-guided precision therapy. However, the imaging strategies in previous stimulus-responsive therapies are ‘always on' or irreversible ‘turn on' modality, resulting in poor signal-to-noise ratios or even ‘false positive' results. Here we show the design of dual-stimuli-responsive and reversibly activatable nanoprobe for precision tumour-targeting and fluorescence-guided photothermal therapy. We fabricate the nanoprobe from asymmetric cyanine and glycosyl-functionalized gold nanorods (AuNRs) with matrix metalloproteinases (MMPs)-specific peptide as a linker to achieve MMPs/pH synergistic and pH reversible activation. The unique activation and glycosyl targetibility makes the nanoprobe bright only in tumour sites with negligible background, while AuNRs and asymmetric cyanine give synergistic photothermal effect. This work paves the way to designing efficient nanoprobes for precision theranostics. A number of nanomaterials for dual diagnostic and therapeutic application have a number of limitations including poor signal-to-noise ratio. Here, the authors developed dual stimuli-responsive and reversibly activatable nanoprobes for tumour targeting and fluorescence-guided photothermal therapy.
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Affiliation(s)
- Xu Zhao
- College of Chemistry, Research Center for Analytical Science, State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Molecular Recognition and Biosensing, Nankai University, Tianjin 300071, China
| | - Cheng-Xiong Yang
- College of Chemistry, Research Center for Analytical Science, State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Molecular Recognition and Biosensing, Nankai University, Tianjin 300071, China
| | - Li-Gong Chen
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, China.,School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Xiu-Ping Yan
- College of Chemistry, Research Center for Analytical Science, State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Molecular Recognition and Biosensing, Nankai University, Tianjin 300071, China.,Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, China
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236
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Han S, Samanta A, Xie X, Huang L, Peng J, Park SJ, Teh DBL, Choi Y, Chang YT, All AH, Yang Y, Xing B, Liu X. Gold and Hairpin DNA Functionalization of Upconversion Nanocrystals for Imaging and In Vivo Drug Delivery. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2017; 29:1700244. [PMID: 28295739 DOI: 10.1002/adma.201700244] [Citation(s) in RCA: 125] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Indexed: 06/06/2023]
Abstract
Although multifunctional upconversion imaging probes have recently attracted considerable interest in biomedical research, there are currently few methods for stabilizing these luminescent nanoprobes with oligonucleotides in biological systems. Herein, a method to robustly disperse upconversion nanoprobes in physiological buffers based on rational design and synthesis of nanoconjugates comprising hairpin-DNA-modified gold nanoparticles is presented. This approach imparts the upconversion nanoprobes with excellent biocompatibility and circumvents the problem of particle agglomeration. By combining single-band anti-Stokes near-infrared emission and the photothermal effect mediated by the coupling of gold to upconversion nanoparticles, a simple, versatile nanoparticulate system for simultaneous deep-tissue imaging and drug molecule release in vivo is demonstrated.
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Affiliation(s)
- Sanyang Han
- Department of Orthopedic Surgery, National University of Singapore, Singapore, 119228, Singapore
- Department of Chemistry, National University of Singapore, Singapore, 117543, Singapore
| | - Animesh Samanta
- Singapore Bioimaging Consortium, Agency for Science, Technology and Research (A*STAR), Singapore, 138667, Singapore
| | - Xiaoji Xie
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing, 211816, P. R. China
| | - Ling Huang
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing, 211816, P. R. China
| | - Juanjuan Peng
- Singapore Bioimaging Consortium, Agency for Science, Technology and Research (A*STAR), Singapore, 138667, Singapore
| | - Sung Jin Park
- Singapore Bioimaging Consortium, Agency for Science, Technology and Research (A*STAR), Singapore, 138667, Singapore
| | | | - Yongdoo Choi
- Molecular Imaging & Therapy Branch, National Cancer Center, Gyeonggi-do, 10408, Republic of Korea
| | - Young-Tae Chang
- Singapore Bioimaging Consortium, Agency for Science, Technology and Research (A*STAR), Singapore, 138667, Singapore
| | - Angelo Homayoun All
- Department of Orthopedic Surgery, National University of Singapore, Singapore, 119228, Singapore
- Singapore Institute of Neurotechnology (SINAPSE), Singapore, 117456, Singapore
- Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA
| | - Yanmei Yang
- Division of Chemistry and Biological Chemistry, Nanyang Technological University, Singapore, 637371, Singapore
| | - Bengang Xing
- Division of Chemistry and Biological Chemistry, Nanyang Technological University, Singapore, 637371, Singapore
| | - Xiaogang Liu
- Department of Chemistry, National University of Singapore, Singapore, 117543, Singapore
- SZU-NUS Collaborative Innovation Center for Optoelectronic Science & Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen, 518060, P. R. China
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237
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Huang Y, Qiu F, Chen D, Shen L, Xu S, Guo D, Su Y, Yan D, Zhu X. Color-Convertible, Unimolecular, Micelle-Based, Activatable Fluorescent Probe for Tumor-Specific Detection and Imaging In Vitro and In Vivo. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2017; 13:1604062. [PMID: 28383175 DOI: 10.1002/smll.201604062] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Revised: 02/16/2017] [Indexed: 06/07/2023]
Abstract
Recent years have witnessed significant progress in molecular probes for cancer diagnosis. However, the conventional molecular probes are designed to be "always-on" by attachment of tumor-targeting ligands, which limits their abilities to diagnose tumors universally due to the variations of targeting efficiency and complex environment in different cancers. Here, it is proposed that a color-convertible, activatable probe is responding to a universal tumor microenvironment for tumor-specific diagnosis without targeting ligands. Based on the significant hallmark of up-regulated hydrogen peroxide (H2 O2 ) in various tumors, a novel unimolecular micelle constructed by boronate coupling of a hydrophobic hyperbranched poly(fluorene-co-2,1,3-benzothiadiazole) core and many hydrophilic poly(ethylene glycol) arms is built as an H2 O2 -activatable fluorescent nanoprobe to delineate tumors from normal tissues through an aggregation-enhanced fluorescence resonance energy transfer strategy. This color-convertible, activatable nanoprobe is obviously blue-fluorescent in various normal cells, but becomes highly green-emissive in various cancer cells. After intravenous injection to tumor-bearing mice, green fluorescent signals are only detected in tumor tissue. These observations are further confirmed by direct in vivo and ex vivo tumor imaging and immunofluorescence analysis. Such a facile and simple methodology without targeting ligands for tumor-specific detection and imaging is worthwhile to further development.
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Affiliation(s)
- Yu Huang
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Feng Qiu
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai, 201418, China
| | - Dong Chen
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Lingyue Shen
- Department of Oral Maxillofacial-Head Neck Oncology, Ninth People's Hospital, Shanghai Jiao Tong University, 639 Zhizaoju Road, Shanghai, 200011, China
| | - Shuting Xu
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Dongbo Guo
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Yue Su
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Deyue Yan
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Xinyuan Zhu
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
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238
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Selberg S, Rodima T, Lõkov M, Tshepelevitsh S, Haljasorg T, Chhabra S, Kadam SA, Toom L, Vahur S, Leito I. Synthesis and properties of highly lipophilic phosphazene bases. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.04.039] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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239
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Vats M, Mishra SK, Baghini MS, Chauhan DS, Srivastava R, De A. Near Infrared Fluorescence Imaging in Nano-Therapeutics and Photo-Thermal Evaluation. Int J Mol Sci 2017; 18:E924. [PMID: 28452928 PMCID: PMC5454837 DOI: 10.3390/ijms18050924] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 04/11/2017] [Accepted: 04/17/2017] [Indexed: 01/03/2023] Open
Abstract
The unresolved and paramount challenge in bio-imaging and targeted therapy is to clearly define and demarcate the physical margins of tumor tissue. The ability to outline the healthy vital tissues to be carefully navigated with transection while an intraoperative surgery procedure is performed sets up a necessary and under-researched goal. To achieve the aforementioned objectives, there is a need to optimize design considerations in order to not only obtain an effective imaging agent but to also achieve attributes like favorable water solubility, biocompatibility, high molecular brightness, and a tissue specific targeting approach. The emergence of near infra-red fluorescence (NIRF) light for tissue scale imaging owes to the provision of highly specific images of the target organ. The special characteristics of near infra-red window such as minimal auto-fluorescence, low light scattering, and absorption of biomolecules in tissue converge to form an attractive modality for cancer imaging. Imparting molecular fluorescence as an exogenous contrast agent is the most beneficial attribute of NIRF light as a clinical imaging technology. Additionally, many such agents also display therapeutic potentials as photo-thermal agents, thus meeting the dual purpose of imaging and therapy. Here, we primarily discuss molecular imaging and therapeutic potentials of two such classes of materials, i.e., inorganic NIR dyes and metallic gold nanoparticle based materials.
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Affiliation(s)
- Mukti Vats
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai 410210, India.
| | - Sumit Kumar Mishra
- Molecular Functional Imaging Laboratory, Advanced Centre for Treatment, Research and Education in Cancer (ACTREC), Tata Memorial Centre, Kharghar, Mumbai 410210, India.
| | - Mahdieh Shojaei Baghini
- Molecular Functional Imaging Laboratory, Advanced Centre for Treatment, Research and Education in Cancer (ACTREC), Tata Memorial Centre, Kharghar, Mumbai 410210, India.
| | - Deepak S Chauhan
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai 410210, India.
| | - Rohit Srivastava
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai 410210, India.
| | - Abhijit De
- Molecular Functional Imaging Laboratory, Advanced Centre for Treatment, Research and Education in Cancer (ACTREC), Tata Memorial Centre, Kharghar, Mumbai 410210, India.
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240
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Shen Z, Prasai B, Nakamura Y, Kobayashi H, Jackson MS, McCarley RL. A Near-Infrared, Wavelength-Shiftable, Turn-on Fluorescent Probe for the Detection and Imaging of Cancer Tumor Cells. ACS Chem Biol 2017; 12:1121-1132. [PMID: 28240865 DOI: 10.1021/acschembio.6b01094] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Fast, selective, and noninvasive reporting of intracellular cancer-associated events and species will lead to a better understanding of tumorigenesis at the molecular level and development of precision medicine approaches in oncology. Overexpressed reductase presence in solid tumor cells is key to cancer progression and protection of those diseased cells from the oxidative effects of therapeutics meant to kill them. Human NAD(P)H:quinone oxidoreductase isozyme I (hNQO1), a cytoprotective 2-electron-specific reductase found at unusually high activity levels in cancer cells of multiple origins, has attracted significant attention due to its major role in metastatic pathways and its link to low survival rates in patients, as well as its ability to effectively activate quinone-based, anticancer drugs. Accurate assessment of hNQO1 activities in living tumor models and ready differentiation of metastases from healthy tissue by fluorescent light-based protocols requires creation of hNQO1-responsive, near-infrared probes that offer deep tissue penetration and low background fluorescence. Herein, we disclose a quinone-trigger-based, near-infrared probe whose fluorescence is effectively turned on several hundred-fold through highly selective reduction of the quinone trigger group by hNQO1, with unprecedented, catalytically efficient formation of a fluorescent reporter. hNQO1 activity-specific production of a fluorescence signal in two-dimensional cultures of respiring human cancer cells that harbor the reductase enzyme allows for their quick (30 min) high-integrity recognition. The characteristics of the near-infrared probe make possible the imaging of clinically relevant three-dimensional colorectal tumor models possessing spatially heterogeneous hNQO1 activities and provide for fluorescence-assisted identification of submillimeter dimension metastases in a preclinical mouse model of human ovarian serous adenocarcinoma.
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Affiliation(s)
- Zhenhua Shen
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803-1804, United States
| | - Bijeta Prasai
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803-1804, United States
| | - Yuko Nakamura
- Molecular
Imaging Program, Center for Cancer Research, National Cancer Institute, United States National Institutes of Health, Bethesda, Maryland 20892-1088, United States
| | - Hisataka Kobayashi
- Molecular
Imaging Program, Center for Cancer Research, National Cancer Institute, United States National Institutes of Health, Bethesda, Maryland 20892-1088, United States
| | - Milcah S. Jackson
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803-1804, United States
| | - Robin L. McCarley
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803-1804, United States
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241
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An optical DNA logic gate based on strand displacement and magnetic separation, with response to multiple microRNAs in cancer cell lysates. Mikrochim Acta 2017. [DOI: 10.1007/s00604-017-2248-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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242
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Fan Z, Zhou S, Garcia C, Fan L, Zhou J. pH-Responsive fluorescent graphene quantum dots for fluorescence-guided cancer surgery and diagnosis. NANOSCALE 2017; 9:4928-4933. [PMID: 28368056 PMCID: PMC5501082 DOI: 10.1039/c7nr00888k] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Cancer remains a major cause of morbidity and mortality around the world. Improved cancer treatment requires enhancement of cancer diagnosis and detection. To achieve this goal, here we report a novel imaging probe, pH-responsive fluorescent graphene quantum dots (pRF-GQDs). pRF-GQDs were prepared by electrolysis of graphite rods in sodium p-toluenesulfonate acetonitrile solution. The resulting pRF-GQDs, which have minimal toxicity, display a sharp fluorescence transition between green and blue at pH 6.8, a pH matching the acidic extracellular microenvironment in solid tumors. We found that this unique fluorescence switch property allows tumors to be distinguished from normal tissues. In addition to fluorescence, pRF-GQDs also exhibit upconversion photoluminescence (UCPL). We demonstrate that the combination of UCPL and fluorescence switch enables detection of solid tumors of different origin at an early developmental stage. Therefore, pRF-GQDs have great potential to be used as a universal probe for fluorescence-guided cancer surgery and cancer diagnosis.
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Affiliation(s)
- Zetan Fan
- Department of Chemistry, Beijing Normal University, Beijing, 100875, China.
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Dimde M, Sahle FF, Wycisk V, Steinhilber D, Camacho LC, Licha K, Lademann J, Haag R. Synthesis and Validation of Functional Nanogels as pH-Sensors in the Hair Follicle. Macromol Biosci 2017; 17. [DOI: 10.1002/mabi.201600505] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Revised: 03/06/2017] [Indexed: 12/29/2022]
Affiliation(s)
- Mathias Dimde
- Institute of Chemistry and Biochemistry; Freie Universität Berlin; Takustrasse 3 Berlin 14195 Germany
| | - Fitsum Feleke Sahle
- Center of Experimental and Applied Cutaneous Physiology; Charité-Universitätsmedizin Berlin; Charitéplatz 1 Berlin 10117 Germany
| | - Virginia Wycisk
- Institute of Chemistry and Biochemistry; Freie Universität Berlin; Takustrasse 3 Berlin 14195 Germany
| | - Dirk Steinhilber
- Institute of Chemistry and Biochemistry; Freie Universität Berlin; Takustrasse 3 Berlin 14195 Germany
| | - Luis Cuellar Camacho
- Institute of Chemistry and Biochemistry; Freie Universität Berlin; Takustrasse 3 Berlin 14195 Germany
| | - Kai Licha
- Institute of Chemistry and Biochemistry; Freie Universität Berlin; Takustrasse 3 Berlin 14195 Germany
| | - Jürgen Lademann
- Center of Experimental and Applied Cutaneous Physiology; Charité-Universitätsmedizin Berlin; Charitéplatz 1 Berlin 10117 Germany
| | - Rainer Haag
- Institute of Chemistry and Biochemistry; Freie Universität Berlin; Takustrasse 3 Berlin 14195 Germany
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245
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Zheng X, Mao H, Huo D, Wu W, Liu B, Jiang X. Successively activatable ultrasensitive probe for imaging tumour acidity and hypoxia. Nat Biomed Eng 2017. [DOI: 10.1038/s41551-017-0057] [Citation(s) in RCA: 135] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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246
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Li F, Lu J, Kong X, Hyeon T, Ling D. Dynamic Nanoparticle Assemblies for Biomedical Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2017; 29:1605897. [PMID: 28224677 DOI: 10.1002/adma.201605897] [Citation(s) in RCA: 133] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 12/09/2016] [Indexed: 05/23/2023]
Abstract
Designed synthesis and assembly of nanoparticles assisted by their surface ligands can create "smart" materials with programmed responses to external stimuli for biomedical applications. These assemblies can be designed to respond either exogenously (for example, to magnetic field, temperature, ultrasound, light, or electric pulses) or endogenously (to pH, enzymatic activity, or redox gradients) and play an increasingly important role in a diverse range of biomedical applications, such as biosensors, drug delivery, molecular imaging, and novel theranostic systems. In this review, the recent advances and challenges in the development of stimuli-responsive nanoparticle assemblies are summarized; in particular, the application-driven design of surface ligands for stimuli-responsive nanoparticle assemblies that are capable of sensing small changes in the disease microenvironment, which induce the related changes in their physico-chemical properties, is described. Finally, possible future research directions and problems that have to be addressed are briefly discussed.
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Affiliation(s)
- Fangyuan Li
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
- Key Laboratory of Biomedical Engineering of the Ministry of Education, College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, 310027, China
| | - Jingxiong Lu
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Xueqian Kong
- Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Taeghwan Hyeon
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Korea
- School of Chemical and Biological Engineering, Seoul National University, Seoul, 08826, Korea
| | - Daishun Ling
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
- Key Laboratory of Biomedical Engineering of the Ministry of Education, College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, 310027, China
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247
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Wang C, Zhao T, Li Y, Huang G, White MA, Gao J. Investigation of endosome and lysosome biology by ultra pH-sensitive nanoprobes. Adv Drug Deliv Rev 2017; 113:87-96. [PMID: 27612550 PMCID: PMC5339051 DOI: 10.1016/j.addr.2016.08.014] [Citation(s) in RCA: 116] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Revised: 08/29/2016] [Accepted: 08/30/2016] [Indexed: 01/08/2023]
Abstract
Endosomes and lysosomes play a critical role in various aspects of cell physiology such as nutrient sensing, receptor recycling, protein/lipid catabolism, and cell death. In drug delivery, endosomal release of therapeutic payloads from nanocarriers is also important in achieving efficient delivery of drugs to reach their intracellular targets. Recently, we invented a library of ultra pH-sensitive (UPS) nanoprobes with exquisite fluorescence response to subtle pH changes. The UPS nanoprobes also displayed strong pH-specific buffer effect over small molecular bases with broad pH responses (e.g., chloroquine and NH4Cl). Tunable pH transitions from 7.4 to 4.0 of UPS nanoprobes cover the entire physiological pH of endocytic organelles (e.g., early and late endosomes) and lysosomes. These unique physico-chemical properties of UPS nanoprobes allowed a 'detection and perturbation' strategy for the investigation of luminal pH in cell signaling and metabolism, which introduces a nanotechnology-enabled paradigm for the biological studies of endosomes and lysosomes.
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Affiliation(s)
- Chensu Wang
- Department of Pharmacology, Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX 75390, USA; Department of Cell Biology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX 75390, USA
| | - Tian Zhao
- Department of Pharmacology, Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX 75390, USA
| | - Yang Li
- Department of Pharmacology, Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX 75390, USA
| | - Gang Huang
- Department of Pharmacology, Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX 75390, USA
| | - Michael A White
- Department of Cell Biology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX 75390, USA
| | - Jinming Gao
- Department of Pharmacology, Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX 75390, USA.
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248
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Xu X, Wu J, Liu Y, Saw PE, Tao W, Yu M, Zope H, Si M, Victorious A, Rasmussen J, Ayyash D, Farokhzad OC, Shi J. Multifunctional Envelope-Type siRNA Delivery Nanoparticle Platform for Prostate Cancer Therapy. ACS NANO 2017; 11:2618-2627. [PMID: 28240870 PMCID: PMC5626580 DOI: 10.1021/acsnano.6b07195] [Citation(s) in RCA: 154] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
With the capability of specific silencing of target gene expression, RNA interference (RNAi) technology is emerging as a promising therapeutic modality for the treatment of cancer and other diseases. One key challenge for the clinical applications of RNAi is the safe and effective delivery of RNAi agents such as small interfering RNA (siRNA) to a particular nonliver diseased tissue (e.g., tumor) and cell type with sufficient cytosolic transport. In this work, we proposed a multifunctional envelope-type nanoparticle (NP) platform for prostate cancer (PCa)-specific in vivo siRNA delivery. A library of oligoarginine-functionalized and sharp pH-responsive polymers was synthesized and used for self-assembly with siRNA into NPs with the features of long blood circulation and pH-triggered oligoarginine-mediated endosomal membrane penetration. By further modification with ACUPA, a small molecular ligand specifically recognizing prostate-specific membrane antigen (PSMA) receptor, this envelope-type nanoplatform with multifunctional properties can efficiently target PSMA-expressing PCa cells and silence target gene expression. Systemic delivery of the siRNA NPs can efficiently silence the expression of prohibitin 1 (PHB1), which is upregulated in PCa and other cancers, and significantly inhibit PCa tumor growth. These results suggest that this multifunctional envelope-type nanoplatform could become an effective tool for PCa-specific therapy.
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Affiliation(s)
- Xiaoding Xu
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Jun Wu
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Yanlan Liu
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Phei Er Saw
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Wei Tao
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Mikyung Yu
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Harshal Zope
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Michelle Si
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Amanda Victorious
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Jonathan Rasmussen
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Dana Ayyash
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Omid C. Farokhzad
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
- King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Jinjun Shi
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
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249
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Pogue BW, Paulsen KD, Samkoe KS, Elliott JT, Hasan T, Strong TV, Draney DR, Feldwisch J. Vision 20/20: Molecular-guided surgical oncology based upon tumor metabolism or immunologic phenotype: Technological pathways for point of care imaging and intervention. Med Phys 2017; 43:3143-3156. [PMID: 27277060 DOI: 10.1118/1.4951732] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Surgical guidance with fluorescence has been demonstrated in individual clinical trials for decades, but the scientific and commercial conditions exist today for a dramatic increase in clinical value. In the past decade, increased use of indocyanine green based visualization of vascular flow, biliary function, and tissue perfusion has spawned a robust growth in commercial systems that have near-infrared emission imaging and video display capabilities. This recent history combined with major preclinical innovations in fluorescent-labeled molecular probes, has the potential for a shift in surgical practice toward resection guidance based upon molecular information in addition to conventional visual and palpable cues. Most surgical subspecialties already have treatment management decisions partially based upon the immunohistochemical phenotype of the cancer, as assessed from molecular pathology of the biopsy tissue. This phenotyping can inform the surgical resection process by spatial mapping of these features. Further integration of the diagnostic and therapeutic value of tumor metabolism sensing molecules or immune binding agents directly into the surgical process can help this field mature. Maximal value to the patient would come from identifying the spatial patterns of molecular expression in vivo that are well known to exist. However, as each molecular agent is advanced into trials, the performance of the imaging system can have a critical impact on the success. For example, use of pre-existing commercial imaging systems are not well suited to image receptor targeted fluorophores because of the lower concentrations expected, requiring orders of magnitude more sensitivity. Additionally the imaging system needs the appropriate dynamic range and image processing features to view molecular probes or therapeutics that may have nonspecific uptake or pharmacokinetic issues which lead to limitations in contrast. Imaging systems need to be chosen based upon objective performance criteria, and issues around calibration, validation, and interpretation need to be established before a clinical trial starts. Finally, as early phase trials become more established, the costs associated with failures can be crippling to the field, and so judicious use of phase 0 trials with microdose levels of agents is one viable paradigm to help the field advance, but this places high sensitivity requirements on the imaging systems used. Molecular-guided surgery has truly transformative potential, and several key challenges are outlined here with the goal of seeing efficient advancement with ideal choices. The focus of this vision 20/20 paper is on the technological aspects that are needed to be paired with these agents.
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Affiliation(s)
- Brian W Pogue
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755 and Department of Surgery, Dartmouth College, Hanover, New Hampshire 03755
| | - Keith D Paulsen
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755; Department of Surgery, Dartmouth College, Hanover, New Hampshire 03755; and Department of Diagnostic Radiology, Geisel School of Medicine, Dartmouth College, Hanover, New Hampshire 03755
| | - Kimberley S Samkoe
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755 and Department of Surgery, Dartmouth College, Hanover, New Hampshire 03755
| | - Jonathan T Elliott
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755
| | - Tayyaba Hasan
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114 and Division of Health Sciences and Technology, Harvard University and Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
| | - Theresa V Strong
- Vector Production Facility, Division of Hematology Oncology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama 35294
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Chai F, Sun L, He X, Li J, Liu Y, Xiong F, Ge L, Webster TJ, Zheng C. Doxorubicin-loaded poly (lactic-co-glycolic acid) nanoparticles coated with chitosan/alginate by layer by layer technology for antitumor applications. Int J Nanomedicine 2017; 12:1791-1802. [PMID: 28424550 PMCID: PMC5344431 DOI: 10.2147/ijn.s130404] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Natural polyelectrolyte multilayers of chitosan (CHI) and alginate (ALG) were alternately deposited on doxorubicin (DOX)-loaded poly (lactic-co-glycolic acid) (PLGA) nanoparticles (NPs) with layer by layer self-assembly to control drug release for antitumor activity. Numerous factors which influenced the multilayer growth on nano-colloidal particles were studied: polyelectrolyte concentration, NaCl concentration and temperature. Then the growth regime of the CHI/ALG multilayers was elucidated. The coated NPs were characterized by transmission electron microscopy, atomic force microscopy, X-ray diffraction and a zeta potential analyzer. In vitro studies demonstrated an undesirable initial burst release of DOX-loaded PLGA NPs (DOX-PLGA NPs), which was relieved from 55.12% to 5.78% through the use of the layer by layer technique. The release of DOX increased more than 40% as the pH of media decreased from 7.4 to 5.0. More importantly, DOX-PLGA (CHI/ALG)3 NPs had superior in vivo tumor inhibition rates at 83.17% and decreased toxicity, compared with DOX-PLGA NPs and DOX in solution. Thus, the presently formulated PLGA-polyelectrolyte NPs have strong potential applications for numerous controlled anticancer drug release applications.
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Affiliation(s)
- Fujuan Chai
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing
| | - Linlin Sun
- Wenzhou Institute of Biomaterials and Engineering, Wenzhou Medical University, Wenzhou, Zhejiang, People’s Republic of China
- Department of Chemical Engineering, Northeastern University, Boston, MA, USA
| | - Xinyi He
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing
| | - Jieli Li
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing
| | - Yuanfen Liu
- Department of Pharmacy, Jiangsu Jiankang Vocational College
| | - Fei Xiong
- State Key Laboratory of Bioelectronics, Jiangsu Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, People’s Republic of China
| | - Liang Ge
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing
| | - Thomas J Webster
- Wenzhou Institute of Biomaterials and Engineering, Wenzhou Medical University, Wenzhou, Zhejiang, People’s Republic of China
- Department of Chemical Engineering, Northeastern University, Boston, MA, USA
| | - Chunli Zheng
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing
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