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Wu Y, He Y, Luo H, Jin T, He F. AIEE-Active Flavones as a Promising Tool for the Real-Time Tracking of Uptake and Distribution in Live Zebrafish. Int J Mol Sci 2023; 24:10183. [PMID: 37373329 DOI: 10.3390/ijms241210183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 06/08/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
In recent years, aggregation-induced emission enhancement (AIEE) molecules have shown great potential for applications in the fields of bio-detection, imaging, optoelectronic devices, and chemical sensing. Based on our previous studies, we investigated the fluorescence properties of six flavonoids and confirmed that compounds 1-3 have good aggregation-induced emission enhancement (AIEE) properties through a series of spectroscopic experiments. Compounds with AIEE properties have addressed the limitation imposed by the aggregation-caused quenching (ACQ) of classic organic dyes owing to their strong fluorescence emission and high quantum yield. Based on their excellent fluorescence properties, we evaluated their performance in the cell and we found that they could label mitochondria specifically by comparing their Pearson correlation coefficients (R) with Mito Tracker Red and Lyso-Tracker Red. This suggests their future application in mitochondrial imaging. Furthermore, studies of uptake and distribution characterization in 48 hpf zebrafish larvae revealed their potential for monitoring real-time drug behavior. The uptake of compounds by larvae varies significantly across different time cycles (between uptake and utilization in the tissue). This observation has important implications for the development of visualization techniques for pharmacokinetic processes and can enable real-time feedback. More interestingly, according to the data presented, tested compounds aggregated in the liver and intestine of 168 hpf larvae. This finding suggests that they could potentially be used for monitoring and diagnosing liver and intestinal diseases.
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Affiliation(s)
- Yi Wu
- School of Pharmaceutical Science, Sun Yat-Sen University, Guangzhou 510006, China
| | - Ying He
- School of Pharmaceutical Science, Sun Yat-Sen University, Guangzhou 510006, China
| | - Huiqing Luo
- School of Pharmaceutical Science, Sun Yat-Sen University, Guangzhou 510006, China
| | - Tingting Jin
- School of Pharmaceutical Science, Sun Yat-Sen University, Guangzhou 510006, China
| | - Feng He
- School of Pharmaceutical Science, Sun Yat-Sen University, Guangzhou 510006, China
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Budziak-Wieczorek I, Kamiński D, Skrzypek A, Ciołek A, Skrzypek T, Janik-Zabrotowicz E, Arczewska M. Naturally Occurring Chalcones with Aggregation-Induced Emission Enhancement Characteristics. Molecules 2023; 28:molecules28083412. [PMID: 37110646 PMCID: PMC10146426 DOI: 10.3390/molecules28083412] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/06/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
In this paper, the natural chalcones: 2'-hydroxy-4,4',6'-trimethoxychalcone (HCH), cardamonin (CA), xanthohumol (XN), isobavachalcone (IBC) and licochalcone A (LIC) are studied using spectroscopic techniques such as UV-vis, fluorescence spectroscopy, scanning electron microscopy (SEM) and single-crystal X-ray diffraction (XRD). For the first time, the spectroscopic and structural features of naturally occurring chalcones with varying numbers and positions of hydroxyl groups in rings A and B were investigated to prove the presence of the aggregation-induced emission enhancement (AIEE) effect. The fluorescence studies were carried out in the aggregate form in a solution and in a solid state. As to the results of spectroscopic analyses conducted in the solvent media, the selected mixtures (CH3OH:H2O and CH3OH:ethylene glycol), as well as the fluorescence quantum yield (ϕF) and SEM, confirmed that two of the tested chalcones (CA and HCH) exhibited effective AIEE behaviour. On the other hand, LIC showed a large fluorescence quantum yield and Stokes shift in the polar solvents and in the solid state. Moreover, all studied compounds were tested for their promising antioxidant activities via the utilisation of 1,1- diphenyl-2-picrylhydrazyl as a free-radical scavenging reagent as well as potential anti-neurodegenerative agents via their ability to act as acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE) inhibitors. Finally, the results demonstrated that licochalcone A, with the most desirable emission properties, showed the most effective antioxidant (DPPH IC50 29%) and neuroprotective properties (AChE IC50 23.41 ± 0.02 μM, BuChE IC50 42.28 ± 0.06 μM). The substitution pattern and the biological assay findings establish some relation between photophysical properties and biological activity that might apply in designing AIEE molecules with the specified characteristics for biological application.
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Affiliation(s)
- Iwona Budziak-Wieczorek
- Department of Chemistry, University of Life Sciences in Lublin, Akademicka 15, 20-950 Lublin, Poland
| | - Daniel Kamiński
- Institute of Chemical Sciences, Maria Curie-Skłodowska University, Pl. Marii Curie-Sklodowskiej 3, 20-031 Lublin, Poland
| | - Alicja Skrzypek
- Department of Chemistry, University of Life Sciences in Lublin, Akademicka 15, 20-950 Lublin, Poland
| | - Anna Ciołek
- Department of Chemistry, University of Life Sciences in Lublin, Akademicka 15, 20-950 Lublin, Poland
| | - Tomasz Skrzypek
- Department of Biomedicine and Environmental Research, Faculty of Medicine, The John Paul II Catholic University of Lublin, Konstantynów 1J, 20-708 Lublin, Poland
| | - Ewa Janik-Zabrotowicz
- Department of Cell Biology, Institute of Biological Sciences, Maria Curie-Sklodowska University, ul. Akademicka 19, 20-033 Lublin, Poland
| | - Marta Arczewska
- Department of Biophysics, University of Life Sciences in Lublin, Akademicka 13, 20-950 Lublin, Poland
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Goyal H, Annan I, Ahluwalia D, Bag A, Gupta R. Discriminative 'Turn-on' Detection of Al 3+ and Ga 3+ Ions as Well as Aspartic Acid by Two Fluorescent Chemosensors. SENSORS (BASEL, SWITZERLAND) 2023; 23:1798. [PMID: 36850396 PMCID: PMC9964346 DOI: 10.3390/s23041798] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 02/01/2023] [Accepted: 02/02/2023] [Indexed: 06/17/2023]
Abstract
In this work, two Schiff-base-based chemosensors L1 and L2 containing electron-rich quinoline and anthracene rings were designed. L1 is AIEE active in a MeOH-H2O solvent system while formed aggregates as confirmed by the DLS measurements and fluorescence lifetime studies. The chemosensor L1 was used for the sensitive, selective, and reversible 'turn-on' detection of Al3+ and Ga3+ ions as well as Aspartic Acid (Asp). Chemosensor L2, an isomer of L1, was able to selectively detect Ga3+ ion even in the presence of Al3+ ions and thus was able to discriminate between the two ions. The binding mode of chemosensors with analytes was substantiated through a combination of 1H NMR spectra, mass spectra, and DFT studies. The 'turn-on' nature of fluorescence sensing by the two chemosensors enabled the development of colorimetric detection, filter-paper-based test strips, and polystyrene film-based detection techniques.
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Affiliation(s)
- Hina Goyal
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Ibrahim Annan
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | | | - Arijit Bag
- Department of Applied Chemistry, Maulana Abul Kalam Azad University of Technology, Nadia 742149, India
| | - Rajeev Gupta
- Department of Chemistry, University of Delhi, Delhi 110007, India
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Cen P, Cui C, Zhong Y, Zhou Y, Wang Z, Xu P, Luo X, Xue L, Cheng Z, Wei Y, He Q, Zhang H, Tian M. Visualization of Mitochondria During Embryogenesis in Zebrafish by Aggregation-Induced Emission Molecules. Mol Imaging Biol 2022; 24:1007-1017. [PMID: 35835950 DOI: 10.1007/s11307-022-01752-y] [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: 03/31/2022] [Revised: 06/29/2022] [Accepted: 06/30/2022] [Indexed: 12/29/2022]
Abstract
PURPOSE Aggregation-induced emission (AIE) molecules have been widely utilized for fluorescence imaging in many biomedical applications, benefited from large Stokes shift, high quantum yield, good biocompatibility, and resistance to photobleaching. And visualization of mitochondria is almost investigated in vitro and ex vivo, but in vivo study of mitochondria is more essential for systematic biological research, especially during embryogenesis. Therefore, suitable and time-saving alternatives with simple operation based on AIE molecules are urgently needed compared with traditional transgenic approach. PROCEDURES Five tetraphenylethylene isoquinolinium (TPE-IQ)-based molecules with AIE characteristics and their ability of mitochondrial visualization in vitro and in vivo and mitochondrial tracking during embryogenesis on zebrafish model were investigated. The biosafety of these AIE molecules was also evaluated systematically in vitro and in vivo. RESULTS All these five AIE molecules could image mitochondria in vitro with good biocompatibility. In them, TPE-IQ1 exhibited excellent imaging quality for in vivo visualization and tracking of mitochondria during the 4-day embryogenesis in zebrafish, in comparison with the conventional transgenic fluorescent protein. Furthermore, TPE-IQ1 could visualize mitochondrial damage induced by chemicals in real time on 24-h post fertilization (hpf) embryos. CONCLUSIONS This study indicated TPE-IQ-based AIE molecules had the potential for mitochondrial imaging and tracking during embryogenesis and mitochondrial damage visualization in vivo.
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Affiliation(s)
- Peili Cen
- Department of Nuclear Medicine and PET Center, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 31009, Zhejiang, China.,Institute of Nuclear Medicine and Molecular Imaging of Zhejiang University, Hangzhou, 31009, Zhejiang, China.,Key of Laboratory of Medical Molecular Imaging of Zhejiang Province, Hangzhou, 31009, Zhejiang, China
| | - Chunyi Cui
- Department of Nuclear Medicine and PET Center, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 31009, Zhejiang, China.,Institute of Nuclear Medicine and Molecular Imaging of Zhejiang University, Hangzhou, 31009, Zhejiang, China.,Key of Laboratory of Medical Molecular Imaging of Zhejiang Province, Hangzhou, 31009, Zhejiang, China
| | - Yan Zhong
- Department of Nuclear Medicine and PET Center, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 31009, Zhejiang, China.,Institute of Nuclear Medicine and Molecular Imaging of Zhejiang University, Hangzhou, 31009, Zhejiang, China.,Key of Laboratory of Medical Molecular Imaging of Zhejiang Province, Hangzhou, 31009, Zhejiang, China
| | - Youyou Zhou
- Department of Nuclear Medicine and PET Center, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 31009, Zhejiang, China.,Institute of Nuclear Medicine and Molecular Imaging of Zhejiang University, Hangzhou, 31009, Zhejiang, China.,Key of Laboratory of Medical Molecular Imaging of Zhejiang Province, Hangzhou, 31009, Zhejiang, China
| | - Zhiming Wang
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence From Molecular Aggregates, South China University of Technology, Guangzhou, 510641, Guangdong, China
| | - Pengfei Xu
- Women's Hospital and Institute of Genetics, Zhejiang University School of Medicine, Hangzhou, 310058, Zhejiang, China
| | - Xiaoyun Luo
- Department of Nuclear Medicine and PET Center, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 31009, Zhejiang, China.,Institute of Nuclear Medicine and Molecular Imaging of Zhejiang University, Hangzhou, 31009, Zhejiang, China.,Key of Laboratory of Medical Molecular Imaging of Zhejiang Province, Hangzhou, 31009, Zhejiang, China
| | - Le Xue
- Department of Nuclear Medicine and PET Center, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 31009, Zhejiang, China.,Institute of Nuclear Medicine and Molecular Imaging of Zhejiang University, Hangzhou, 31009, Zhejiang, China.,Key of Laboratory of Medical Molecular Imaging of Zhejiang Province, Hangzhou, 31009, Zhejiang, China
| | - Zhen Cheng
- Molecular Imaging Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Yen Wei
- Department of Chemistry and the Tsinghua Center for Frontier Polymer Research, Tsinghua University, Beijing, 100084, China
| | - Qinggang He
- College of Chemical & Biological Engineering, Zhejiang University, Hangzhou, 310027, Zhejiang, China
| | - Hong Zhang
- Department of Nuclear Medicine and PET Center, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 31009, Zhejiang, China. .,Institute of Nuclear Medicine and Molecular Imaging of Zhejiang University, Hangzhou, 31009, Zhejiang, China. .,Key of Laboratory of Medical Molecular Imaging of Zhejiang Province, Hangzhou, 31009, Zhejiang, China. .,College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, 310014, Zhejiang, China. .,Key Laboratory for Biomedical Engineering of Ministry of Education, Zhejiang University, Hangzhou, 310014, Zhejiang, China.
| | - Mei Tian
- Department of Nuclear Medicine and PET Center, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 31009, Zhejiang, China. .,Institute of Nuclear Medicine and Molecular Imaging of Zhejiang University, Hangzhou, 31009, Zhejiang, China. .,Key of Laboratory of Medical Molecular Imaging of Zhejiang Province, Hangzhou, 31009, Zhejiang, China.
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