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Shao C, Xiong S, Cao X, Zhang C, Luo T, Liu G. Dithiothreitol-capped red emitting copper nanoclusters as highly effective fluorescent nanoprobe for cobalt (II) ions sensing. Microchem J 2021. [DOI: 10.1016/j.microc.2021.105922] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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2
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Tanaka SI, Wadati H, Sato K, Yasuda H, Niioka H. Red-Fluorescent Pt Nanoclusters for Detecting and Imaging HER2 in Breast Cancer Cells. ACS OMEGA 2020; 5:23718-23723. [PMID: 32984690 PMCID: PMC7513347 DOI: 10.1021/acsomega.0c02578] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Accepted: 08/26/2020] [Indexed: 06/11/2023]
Abstract
Overexpression of human epidermal growth factor receptor 2 (HER2) is associated with more frequent cancer recurrence and metastasis. Sensitive sensing of HER2 in living breast cancer cells is crucial in the early stages of cancer and to further understand its role in cells. Biomedical imaging has become an indispensable tool in the fields of early cancer diagnosis and therapy. In this study, we designed and synthesized platinum (Pt) nanocluster bionanoprobes with red emission (Ex/Em = 535/630 nm) for fluorescence imaging of HER2. Our Pt nanoclusters, which were synthesized using polyamidoamine (PAMAM) dendrimer and preequilibration, exhibited approximately 1% quantum yield and possessed low cytotoxicity, ultrasmall size, and excellent photostability. Furthermore, combined with ProteinA as an adapter protein, we developed Pt bionanoprobes with minimal nonspecific binding and utilized them as fluorescent probes for highly sensitive optical imaging of HER2 at the cellular level. More importantly, molecular probes with long-wavelength emission have allowed visualization of deep anatomical features because of enhanced tissue penetration and a decrease in background noise from tissue scattering. Our Pt nanoclusters are promising fluorescent probes for biomedical applications.
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Affiliation(s)
- Shin-ichi Tanaka
- National
Institute of Technology, Kure College, 2-2-11 Agaminami, Kure, Hiroshima 737-8506, Japan
| | - Hiroki Wadati
- Graduate
School of Material Science, University of
Hyogo, 3-2-1 Kouto, Kamigori-cho, Ako-gun, Hyogo 678-1297, Japan
| | - Kazuhisa Sato
- Research
Center for Ultra-High Voltage Electron Microscopy, Osaka University, 7-1
Mihogaoka, Ibaraki, Osaka 567-0047, Japan
- Division
of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Hidehiro Yasuda
- Research
Center for Ultra-High Voltage Electron Microscopy, Osaka University, 7-1
Mihogaoka, Ibaraki, Osaka 567-0047, Japan
- Division
of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Hirohiko Niioka
- Institute
for Datability Science, Osaka University, TechnoAlliance Building C503, 2-8
Yamadaoka, Suita, Osaka 565-0871, Japan
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3
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Zhang C, Gao L, Yuan Q, Zhao L, Niu W, Cai P, Li J, Han X, He Z, Gao F, Wang Y, Jiang H, Chai Z, Gao X. Is GSH Chelated Pt Molecule Inactive in Anti-Cancer Treatment? A Case Study of Pt 6 GS 4. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2002044. [PMID: 32500659 DOI: 10.1002/smll.202002044] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 04/24/2020] [Indexed: 06/11/2023]
Abstract
Platinum (Pt) drugs are widely used in anti-cancer treatment although many reports advocated that tumor cells could inactivate Pt drugs via glutathione-Pt (GSH-Pt) adducts formation. To date, GSH chelated Pt molecules have not been assessed in cancer treatment because GSH-Pt adducts are not capable of killing cancer cells, which is widely accepted and well followed. In this report, endogenous biothiol is utilized to precisely synthesize a GSH chelated Pt molecule (Pt6 GS4 ). This Pt6 GS4 molecule can be well taken up by aggressive triple negative breast cancer (TNBC) cells. Subsequently, its metabolites could enter nuclei to interact with DNA, finally the DNA-Pt complex triggers TNBC cell apoptosis via the p53 pathway. Impressively, high efficacy for anti-cancer treatment is achieved by Pt6 GS4 both in vitro and in vivo when compared with traditional first-line carboplatin in the same dosage. Compared with carboplatin, Pt6 GS4 keeps tumor bearing mice alive for a longer time and is non-toxic for the liver and kidneys. This work opens a route to explore polynuclear Pt compound with accurate architecture for enhancing therapeutic effects and reducing systemic toxicity.
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Affiliation(s)
- Chunyu Zhang
- Department of Chemistry and Chemical Engineering, Beijing University of Technology, Beijing, 100124, P. R. China
| | - Liang Gao
- Department of Chemistry and Chemical Engineering, Beijing University of Technology, Beijing, 100124, P. R. China
| | - Qing Yuan
- Department of Chemistry and Chemical Engineering, Beijing University of Technology, Beijing, 100124, P. R. China
| | - Lina Zhao
- CAS Key Laboratory for the Biological Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Wenchao Niu
- Department of Chemistry and Chemical Engineering, Beijing University of Technology, Beijing, 100124, P. R. China
| | - Pengju Cai
- CAS Key Laboratory for the Biological Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Jiaojiao Li
- Department of Chemistry and Chemical Engineering, Beijing University of Technology, Beijing, 100124, P. R. China
| | - Xu Han
- CAS Key Laboratory for the Biological Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Zhesheng He
- CAS Key Laboratory for the Biological Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Fuping Gao
- CAS Key Laboratory for the Biological Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Yaling Wang
- CAS Key Laboratory for the Biological Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Huaidong Jiang
- School of Physical Science and Technology, Shanghai Tech University, Shanghai, 201210, P. R. China
| | - Zhifang Chai
- CAS Key Laboratory for the Biological Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Xueyun Gao
- Department of Chemistry and Chemical Engineering, Beijing University of Technology, Beijing, 100124, P. R. China
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Huang R, Zhang Y. Synthesis of Fe3O4@GSH-Pt NCs Core-Shell Microspheres for Latent Fingerprint Detection. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2018. [DOI: 10.1246/bcsj.20180168] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Rui Huang
- Chongqing Institution of Higher Learning Center of Forensic Science Engineering and Research, Southwest University of Political Science and Law, Chongqing 401120, P. R. China
- Criminal Investigation College of Southwest University of Political Science and Law, Chongqing 401120, P. R. China
| | - Yuting Zhang
- Criminal Investigation College of Southwest University of Political Science and Law, Chongqing 401120, P. R. China
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Bornacelli J, Torres-Torres C, Silva-Pereyra HG, Rodríguez-Fernández L, Avalos-Borja M, Cheang-Wong JC, Oliver A. Nanoscale influence on photoluminescence and third order nonlinear susceptibility exhibited by ion-implanted Pt nanoparticles in silica. Methods Appl Fluoresc 2017; 5:025001. [DOI: 10.1088/2050-6120/aa6d8c] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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6
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Xu N, Li HW, Wu Y. Hydrothermal synthesis of polyethylenimine-protected high luminescent Pt-nanoclusters and their application to the detection of nitroimidazoles. Anal Chim Acta 2016; 958:51-58. [PMID: 28110684 DOI: 10.1016/j.aca.2016.12.033] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Revised: 12/12/2016] [Accepted: 12/16/2016] [Indexed: 12/22/2022]
Abstract
A novel one-step hydrothermal synthesis of highly fluorescent platinum nanoclusters protected by polyethylenimine (Pt-NCs@PEI) is described. The products are characterized well by UV-vis absorption, fluorescence spectra, X-ray photoelectron spectroscopy (XPS) and transmission electron microscopy (TEM) imaging. The Pt-NCs@PEI possess high quantum yield at 28%, which is the relatively high one among the reported Pt-NCs; especially, the synthesis is in one-step and the reaction time is much shorter (<1 h) than the related methods. In addition, the Pt-NCs@PEI have large Stocks-shift (∼150 nm), high tolerability to the extreme pH and high ionic strengths, and excellent photo-stability under UV-vis irradiation, lay the foundation for the practical bio-applications. Finally, the obtained Pt-NCs@PEI are used to determine trace amount of metronidazole (MTZ) in buffer solution in showing a linear response over a concentration range of 0.25-300 μM and a low detection limit of 0.1 μM. Furthermore, the related investigation on response mechanism will be helpful to design and synthesize new metal nanoclusters as fluorescent probe to detect the trace amount of harmful medicine residuum as nitroimidazoles in human body.
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Affiliation(s)
- Na Xu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, China; College of Materials Science and Engineering, Jilin Institute of Chemical Technology, Jilin, 132022, China
| | - Hong-Wei Li
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, China.
| | - Yuqing Wu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, China.
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7
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Huang X, Ishitobi H, Inouye Y. Formation of fluorescent platinum nanoclusters using hyper-branched polyethylenimine and their conjugation to antibodies for bio-imaging. RSC Adv 2016. [DOI: 10.1039/c5ra24522b] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Fluorescent Pt NCs@PEI were formed in the cavities coiled by PEI ligands and bio-imaged HeLa cells via conjugation with antibodies.
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Affiliation(s)
- Xin Huang
- Graduate School of Frontier Biosciences
- Osaka University
- Suita
- Japan
| | - Hidekazu Ishitobi
- Graduate School of Frontier Biosciences
- Osaka University
- Suita
- Japan
- Department of Applied Physics
| | - Yasushi Inouye
- Graduate School of Frontier Biosciences
- Osaka University
- Suita
- Japan
- Department of Applied Physics
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