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Wang Y, Li J, Chen Z, Pu L, Pei Z, Pei Y. A GLUTs/GSH cascade targeting-responsive bioprobe for the detection of circulating tumor cells. Chem Commun (Camb) 2022; 58:3945-3948. [PMID: 35244637 DOI: 10.1039/d2cc00566b] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A GLUTs/GSH cascade targeting-responsive bioprobe, GluCC, was rationally designed and synthesized for the first time via the coordination of copper ions with a glucose-modified coumarin derivative ligand (GluC). GluCC can specifically detect circulating tumor cells (CTCs) in lung metastatic mice models by targeting the Warburg effect and responding to overexpressed glutathione in the tumor microenvironment. This bioprobe with a simple detection procedure has significant advantages for CTC detection.
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Affiliation(s)
- Yi Wang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, P. R. China.
| | - Jiahui Li
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, P. R. China.
| | - Zelong Chen
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, P. R. China.
| | - Liang Pu
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, P. R. China.
| | - Zhichao Pei
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, P. R. China.
| | - Yuxin Pei
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, P. R. China.
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Li J, Wang Y, Pei Z, Pei Y. A glycol nanomedicine via metal-coordination supramolecular self-assembly strategy for drug release monitoring and chemo-chemodynamic therapy. Chem Commun (Camb) 2022; 58:3338-3341. [DOI: 10.1039/d2cc00159d] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A glycol nanomedicine based on metal-coordination supramolecular self-assembly strategy of GluCC (a copper complex of glucose modified coumarin derivative) and a chemotherapeutic agent of doxorubicin (DOX) was successfully developed. In...
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Butnarasu C, Barbero N, Viscardi G, Visentin S. Unveiling the interaction between PDT active squaraines with ctDNA: A spectroscopic study. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 250:119224. [PMID: 33257241 DOI: 10.1016/j.saa.2020.119224] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 11/05/2020] [Accepted: 11/10/2020] [Indexed: 06/12/2023]
Abstract
Squaraine dyes are potential photosensitizers in photodynamic therapy (PDT) due to their ability to release reactive oxygen species (ROS) and cause DNA damage. For this reason, the evaluation and determination of the type of interaction between squaraines and DNA is of the utmost importance. In this study different spectroscopic techniques such as UV-Vis and fluorescence spectroscopies were used to investigate the type of interaction that occurs between two photosensitizers (halogenated squaraines, i.e. Br-C4 and I-C4) and calf thymus DNA (ctDNA). Squaraines were found to bind ctDNA externally following a minor groove binding as they were able to replace Hoechst (a classic groove binder) from the groove of DNA. This binding mode was further supported by iodide quenching studies, ionic strength assay and Florescence Resonance Energy Transfer. Moreover, association (KA) and dissociation (KD) constants were obtained and compared with constants of well-known groove binders.
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Affiliation(s)
- Cosmin Butnarasu
- University of Torino, Department of Molecular Biotechnology and Health Science, Via Quarello15, 10135 Torino, Italy
| | - Nadia Barbero
- University of Torino, Department of Chemistry and NIS Interdepartmental Centre, Via Pietro Giuria 7, 10125 Torino, Italy
| | - Guido Viscardi
- University of Torino, Department of Chemistry and NIS Interdepartmental Centre, Via Pietro Giuria 7, 10125 Torino, Italy
| | - Sonja Visentin
- University of Torino, Department of Molecular Biotechnology and Health Science, Via Quarello15, 10135 Torino, Italy.
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Butnarasu C, Barbero N, Barolo C, Visentin S. Squaraine dyes as fluorescent turn-on sensors for the detection of porcine gastric mucin: A spectroscopic and kinetic study. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2020; 205:111838. [DOI: 10.1016/j.jphotobiol.2020.111838] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 01/31/2020] [Accepted: 02/21/2020] [Indexed: 02/07/2023]
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Ilina K, MacCuaig WM, Laramie M, Jeouty JN, McNally LR, Henary M. Squaraine Dyes: Molecular Design for Different Applications and Remaining Challenges. Bioconjug Chem 2020; 31:194-213. [PMID: 31365819 PMCID: PMC7845514 DOI: 10.1021/acs.bioconjchem.9b00482] [Citation(s) in RCA: 94] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Squaraine dyes are a class of organic dyes with strong and narrow absorption bands in the near-infrared. Despite high molar absorptivities and fluorescence quantum yields, these dyes have been less explored than other dye scaffolds due to their susceptibility to nucleophilic attack. Recent strategies in probe design including encapsulation, conjugation to biomolecules, and new synthetic modifications have seen squaraine dyes emerging into the forefront of biomedical imaging and other applications. Herein, we provide a concise overview of (1) the synthesis of symmetrical and unsymmetrical squaraine dyes, (2) the relationship between structure and photophysical properties of squaraine dyes, and (3) current applications of squaraine dyes in the literature. Given the recent successes at overcoming the limitations of squaraine dyes, they show high potential in biological imaging, in photodynamic and photothermal therapies, and as molecular sensors.
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Affiliation(s)
- Kristina Ilina
- Department of Chemistry, Petit Science Center, Georgia State University, 100 Piedmont Avenue SE, Atlanta, Georgia 30303, United States
| | - William M. MacCuaig
- Department of Bioengineering, Stephenson Cancer Center, University of Oklahoma, 173 Felgar Street, Norman, Oklahoma 73019, United States
| | - Matthew Laramie
- Department of Chemistry, Petit Science Center, Georgia State University, 100 Piedmont Avenue SE, Atlanta, Georgia 30303, United States
| | - Jannatun N. Jeouty
- Department of Chemistry, Petit Science Center, Georgia State University, 100 Piedmont Avenue SE, Atlanta, Georgia 30303, United States
| | - Lacey R. McNally
- Department of Bioengineering, Stephenson Cancer Center, University of Oklahoma, 173 Felgar Street, Norman, Oklahoma 73019, United States
| | - Maged Henary
- Department of Chemistry, Petit Science Center, Georgia State University, 100 Piedmont Avenue SE, Atlanta, Georgia 30303, United States
- Center for Diagnostics and Therapeutics, Petit Science Center, Georgia State University, 100 Piedmont Avenue SE, Atlanta, Georgia 30303, United States
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Lee HW, Lim CS, Choi H, Cho MK, Noh CK, Lee K, Shin SJ, Kim HM. Discrimination between Human Colorectal Neoplasms with a Dual-Recognitive Two-Photon Probe. Anal Chem 2019; 91:14705-14711. [PMID: 31650833 DOI: 10.1021/acs.analchem.9b03951] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Colorectal cancer is a major cause of cancer-related deaths worldwide. Histologic diagnosis using biopsy samples of colorectal neoplasms is the most important step in determining the treatment methods, but these methods have limitations in accuracy and effectiveness. Herein, we report a dual-recognition two-photon probe and its application in the discrimination between human colorectal neoplasms. The probe is composed of two monosaccharides, d-glucosamine and β-d-galactopyranoside, in a fluorophore for the monitoring of both glucose uptake and β-gal hydrolysis. In vitro/cell imaging studies revealed the excellent selectivity and sensitivity of the probe for glucose transporter-mediated glucose uptake and β-gal activity. Cancer-specific uptake was monitored by increased fluorescence intensity, and additional screening of cancer cells was achieved by changes in emission ratio owing to the higher activity of β-gal. Using human colon tissues and two-photon microscopy, we found that the plot of intensity versus ratio can accurately discriminate between colorectal neoplasms in the order of cancer progression (normal, adenoma, and carcinoma).
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Affiliation(s)
- Hyo Won Lee
- Department of Energy Systems Research and Department of Chemistry , Ajou University , Suwon 16499 , Korea
| | - Chang Su Lim
- Department of Energy Systems Research and Department of Chemistry , Ajou University , Suwon 16499 , Korea
| | - Hosam Choi
- Department of Chemistry , The Catholic University of Korea , Bucheon 14662 , Korea
| | - Myoung Ki Cho
- Department of Energy Systems Research and Department of Chemistry , Ajou University , Suwon 16499 , Korea
| | - Choong-Kyun Noh
- Department of Gastroenterology , Ajou University School of Medicine , Suwon 16499 , Korea
| | - Kiyoun Lee
- Department of Chemistry , The Catholic University of Korea , Bucheon 14662 , Korea
| | - Sung Jae Shin
- Department of Gastroenterology , Ajou University School of Medicine , Suwon 16499 , Korea
| | - Hwan Myung Kim
- Department of Energy Systems Research and Department of Chemistry , Ajou University , Suwon 16499 , Korea
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Extended conjugation in stilbenoid squaraines. ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES 2019. [DOI: 10.1515/znb-2018-0260] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Abstract
Squaraines, two-fold condensation products in 1,3-position of squaric acid, represent dyes or pigments of high actuality. After their first boom in electrophotography diverse applications are presently studied in a wide area of research, which reaches from electrooptical materials to biosensors and compounds used in photodynamic therapy. Absorption and/or emission ranges in the NIR are mandatory for many of these techniques. The present article deals with stilbenoid squaraines, which feature an extended conjugation in their biradicaloid D-π-A-π-D structure. Due to the charge-transfer character of the excitation, boundaries are set for the optimal length of the conjugation. The absorption maxima of the stilbenoid squaraines and their aggregates are lying in chloroform as a solvent between 600 and 1000 nm. In the solid state panchromatic absorptions can be observed, which reach far into the NIR region. The facile preparation of squaraines bearing stilbene building blocks in one or two of their arms and moreover the easy access to dyes with multiple squaraine units fixed to stilbenoid scaffolds promise a wide palette of further applications in materials science.
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Chan LY, Teo JDW, Tan KSW, Sou K, Kwan WL, Lee CLK. Near Infrared Fluorophore-Tagged Chloroquine in Plasmodium falciparum Diagnostic Imaging. Molecules 2018; 23:molecules23102635. [PMID: 30322183 PMCID: PMC6222297 DOI: 10.3390/molecules23102635] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 10/11/2018] [Accepted: 10/12/2018] [Indexed: 12/16/2022] Open
Abstract
Chloroquine was among the first of several effective drug treatments against malaria until the onset of chloroquine resistance. In light of diminished clinical efficacy of chloroquine as an antimalarial therapeutic, there is potential in efforts to adapt chloroquine for other clinical applications, such as in combination therapies and in diagnostics. In this context, we designed and synthesized a novel asymmetrical squaraine dye coupled with chloroquine (SQR1-CQ). In this study, SQR1-CQ was used to label live Plasmodium falciparum (P. falciparum) parasite cultures of varying sensitivities towards chloroquine. SQR1-CQ positively stained ring, mature trophozoite and schizont stages of both chloroquine⁻sensitive and chloroquine⁻resistant P. falciparum strains. In addition, SQR1-CQ exhibited significantly higher fluorescence, when compared to the commercial chloroquine-BODIPY (borondipyrromethene) conjugate CQ-BODIPY. We also achieved successful SQR1-CQ labelling of P. falciparum directly on thin blood smear preparations. Drug efficacy experiments measuring half-maximal inhibitory concentration (IC50) showed lower concentration of effective inhibition against resistant strain K1 by SQR1-CQ compared to conventional chloroquine. Taken together, the versatile and highly fluorescent labelling capability of SQR1-CQ and promising preliminary IC50 findings makes it a great candidate for further development as diagnostic tool with drug efficacy against chloroquine-resistant P. falciparum.
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Affiliation(s)
- Li Yan Chan
- Department of Technology, Innovation and Enterprise (TIE), Singapore Polytechnic, 500 Dover Road, Singapore 139651, Singapore.
| | - Joshua Ding Wei Teo
- Department of Technology, Innovation and Enterprise (TIE), Singapore Polytechnic, 500 Dover Road, Singapore 139651, Singapore.
| | - Kevin Shyong-Wei Tan
- Laboratory of Molecular and Cellular Parasitology, Department of Microbiology and Immunology, National University of Singapore, 5 Science Drive 2 Block MD4, Level 3, Singapore 117545, Singapore.
| | - Keitaro Sou
- Research Institute for Science and Engineering, Waseda University, 3-4-1 Ohkubo, Shinjuku-ku, Tokyo 169-8555, Japan.
| | - Wei Lek Kwan
- Engineering Product Development, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372, Singapore.
| | - Chi-Lik Ken Lee
- Department of Technology, Innovation and Enterprise (TIE), Singapore Polytechnic, 500 Dover Road, Singapore 139651, Singapore.
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Jo A, Sung J, Lee S, Nam H, Lee HW, Park J, Kim HM, Kim E, Park SB. Near-IR Fluorescent Tracer for Glucose-Uptake Monitoring in Live Cells. Bioconjug Chem 2018; 29:3394-3401. [DOI: 10.1021/acs.bioconjchem.8b00558] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | | | - Sanghee Lee
- Center for Neuro-Medicine, Brain Science Institute, Korea Institute of Science and Technology, Seoul, 02792, Korea
| | | | | | - Jongmin Park
- Center for Systems Biology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02114, United States
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Wu B, Lin Y, Li B, Zhan C, Zeng F, Wu S. Oligo(ethylene glycol)-Functionalized Squaraine Fluorophore as a Near-Infrared-Fluorescent Probe for the In Vivo Detection of Diagnostic Enzymes. Anal Chem 2018; 90:9359-9365. [DOI: 10.1021/acs.analchem.8b01968] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Bo Wu
- State Key Laboratory of Luminescent Materials and Devices, College of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Yi Lin
- State Key Laboratory of Luminescent Materials and Devices, College of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Bowen Li
- State Key Laboratory of Luminescent Materials and Devices, College of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Chenyue Zhan
- State Key Laboratory of Luminescent Materials and Devices, College of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Fang Zeng
- State Key Laboratory of Luminescent Materials and Devices, College of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Shuizhu Wu
- State Key Laboratory of Luminescent Materials and Devices, College of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
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