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Perk B, Büyüksünetçi YT, Anık Ü. Gold nanoparticle deposited electrochemical sensor for hyaluronic acid detection. CHEMICAL PAPERS 2023. [DOI: 10.1007/s11696-023-02781-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/22/2023]
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Ji S, Li S, Gao H, Wang J, Wang K, Nan W, Chen H, Hao Y. An AIEgen-based "turn-on" probe for sensing cancer cells and tiny tumors with high furin expression. Biomater Sci 2023; 11:2221-2229. [PMID: 36748329 DOI: 10.1039/d2bm01979e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Peptide-aggregation-induced emission (AIE) luminogen (AIEgen) conjugates are widely used in the bioimaging field for their good resistance to photobleaching, red and near-infrared light emission, good biocompatibility, etc. However, their peptides are mainly negatively charged and the positively charged peptide-AIEgen conjugates are rarely used in in vivo imaging due to their high non-specific interaction with protein to cause "false-positive" results and their potential risk of triggering hemolysis. Herein, we introduce a black hole quencher 3 (BHQ3) to RVRRGFF-AIE (FA) to build a "turn-on" probe, named BHQ3-RVRRGFF-AIE (BFA). Compared with FA, BFA has advantages in the anti-interference ability for different proteins and many solution environments. But, both BFA and FA have high risks of inducing hemolysis, which restricts their further application. Through co-assembly with poly-γ-glutamic acid (γ-PGA), molecular probes BFA and FA are formed into PGA-BFA and PGA-FA nanoparticles with high biocompatibility and suppressed phototoxicity. Cell studies show that PGA-BFA can discriminate cancer cells with high furin expression from low furin-expressed cancer cells and normal cells. In vivo studies show that PGA-BFA can light up tiny tumors in the abdominal cavity with a better tumor-to-intestine ratio (3.14) than that of PGA-FA (1.47), which is helpful for the accurate excision of tiny tumors. This study will advance the development of constructing good biosafety probes with a high signal-to-noise ratio for fluorescence image-guided cancer surgery.
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Affiliation(s)
- Shenglu Ji
- The Key Laboratory of Biomedical Materials, School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang 453003, China. .,The Third Affiliated Hospital of Xinxiang Medical University, Xinxiang 453003, China
| | - Songge Li
- The Key Laboratory of Biomedical Materials, School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang 453003, China.
| | - Heqi Gao
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Jiayang Wang
- The Key Laboratory of Biomedical Materials, School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang 453003, China.
| | - Kaiyuan Wang
- The Key Laboratory of Biomedical Materials, School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang 453003, China.
| | - Wenbin Nan
- The Key Laboratory of Biomedical Materials, School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang 453003, China. .,The Third Affiliated Hospital of Xinxiang Medical University, Xinxiang 453003, China
| | - Hongli Chen
- The Key Laboratory of Biomedical Materials, School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang 453003, China. .,The Third Affiliated Hospital of Xinxiang Medical University, Xinxiang 453003, China
| | - Yongwei Hao
- The Key Laboratory of Biomedical Materials, School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang 453003, China.
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Gu Y, Peng L, Ding W, Wang Y, Zeng X. An ultrasensitive FRET-based fluorescent low molecular weight heparin nanoprobe for quantifying heparanase activity. Talanta 2023; 254:124207. [PMID: 36549136 DOI: 10.1016/j.talanta.2022.124207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 12/13/2022] [Accepted: 12/17/2022] [Indexed: 12/24/2022]
Abstract
Heparanase (HPA) is a multifaceted endo-β-glucuronidase, and its dysregulation facilitates cancer metastasis. Developing techniques for fast and sensitively monitoring HPA enzymatic activity is crucial for searching for molecular therapies targeting HPA. Herein, we developed a novel fluorescence resonance energy transfer (FRET)-based nanoprobe AuNCs-LMWH-AuNRs, with AuNCs@GSH-cys and AuNRs/end-NH2/side-SiO2 attached to the non-reducing terminus and reducing terminus of low molecular weight heparin (LMWH), respectively. AuNCs@GSH-cys exhibited an absolute quantum yield of 1.1%. The absorption spectra of AuNRs/end-NH2/side-SiO2 (825 nm for maximum longitudinal absorption) and the emission spectra of AuNCs@GSH-cys (824 nm for maximum emission) were precisely overlapping, further enhancing the efficiency of FRET. In the presence of HPA, the LMWH nanoprobe exhibited an ultrasensitive response with excitation/emission wavelength (lambda (ex) = 560 nm, lambda (em) = 824 nm). The probe presented a wide linear dynamic detection range (LDR) of 0.125 ng/μL - 0.01 μg/μL in vitro with a limit of detection (LODs) of 82.15 pM (0.43 pg/μL). The excellent selectivity and good fluorescence turn-on efficiency of the probe made it possible for one-step detection of cellular heparanase activity. High throughput screening of HPA inhibitors also can be accomplished using the highly efficient LMWH nanoprobe.
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Affiliation(s)
- Yayun Gu
- Medical School, Nantong University, 19 Qixiu Road, Nantong, Jiangsu Province, 226001, China.
| | - Lizhong Peng
- Medical School, Nantong University, 19 Qixiu Road, Nantong, Jiangsu Province, 226001, China
| | - Weihua Ding
- Medical School, Nantong University, 19 Qixiu Road, Nantong, Jiangsu Province, 226001, China
| | - Yang Wang
- Kobilka Institute of Innovative Drug Discovery, The Chinese University of Hong Kong, 2001 Longxiang Avenue, Shenzhen, Guangdong Province, 518172, China
| | - Xuhui Zeng
- Medical School, Nantong University, 19 Qixiu Road, Nantong, Jiangsu Province, 226001, China.
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Gao F, Liu G, Qiao M, Li Y, Yi X. Biosensors for the Detection of Enzymes Based on Aggregation-Induced Emission. BIOSENSORS 2022; 12:bios12110953. [PMID: 36354464 PMCID: PMC9688369 DOI: 10.3390/bios12110953] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 10/26/2022] [Accepted: 10/28/2022] [Indexed: 05/14/2023]
Abstract
Enzymes play a critical role in most complex biochemical processes. Some of them can be regarded as biomarkers for disease diagnosis. Taking advantage of aggregation-induced emission (AIE)-based biosensors, a series of fluorogens with AIE characteristics (AIEgens) have been designed and synthesized for the detection and imaging of enzymes. In this work, we summarized the advances in AIEgens-based probes and sensing platforms for the fluorescent detection of enzymes, including proteases, phosphatases, glycosidases, cholinesterases, telomerase and others. The AIEgens involve organic dyes and metal nanoclusters. This work provides valuable references for the design of novel AIE-based sensing platforms.
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Affiliation(s)
- Fengli Gao
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
| | - Gang Liu
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
| | - Mingyi Qiao
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
| | - Yingying Li
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
| | - Xinyao Yi
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
- Correspondence:
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Zhang ZH, Zhang YM, Qu WJ, Shi B, Yao H, Wei TB. Tuning host-guest binding model by different intramolecular alkyl chain lengths in tripodal hosts: An evidence on structure control supramolecular interactions. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.12.077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Diana R, Panunzi B. Zinc (II) and AIEgens: The "Clip Approach" for a Novel Fluorophore Family. A Review. Molecules 2021; 26:4176. [PMID: 34299451 PMCID: PMC8304007 DOI: 10.3390/molecules26144176] [Citation(s) in RCA: 13] [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: 06/16/2021] [Revised: 07/05/2021] [Accepted: 07/06/2021] [Indexed: 12/17/2022] Open
Abstract
Aggregation-induced emission (AIE) compounds display a photophysical phenomenon in which the aggregate state exhibits stronger emission than the isolated units. The common term of "AIEgens" was coined to describe compounds undergoing the AIE effect. Due to the recent interest in AIEgens, the search for novel hybrid organic-inorganic compounds with unique luminescence properties in the aggregate phase is a relevant goal. In this perspective, the abundant, inexpensive, and nontoxic d10 zinc cation offers unique opportunities for building AIE active fluorophores, sensing probes, and bioimaging tools. Considering the novelty of the topic, relevant examples collected in the last 5 years (2016-2021) through scientific production can be considered fully representative of the state-of-the-art. Starting from the simple phenomenological approach and considering different typological and chemical units and structures, we focused on zinc-based AIEgens offering synthetic novelty, research completeness, and relevant applications. A special section was devoted to Zn(II)-based AIEgens for living cell imaging as the novel technological frontier in biology and medicine.
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Affiliation(s)
| | - Barbara Panunzi
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy;
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