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Elblová P, Lunova M, Henry SJ, Tu X, Calé A, Dejneka A, Havelková J, Petrenko Y, Jirsa M, Stephanopoulos N, Lunov O. Peptide-coated DNA nanostructures as a platform for control of lysosomal function in cells. CHEMICAL ENGINEERING JOURNAL (LAUSANNE, SWITZERLAND : 1996) 2024; 498:155633. [PMID: 39372137 PMCID: PMC11448966 DOI: 10.1016/j.cej.2024.155633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/08/2024]
Abstract
DNA nanotechnology is a rapidly growing field that provides exciting tools for biomedical applications. Targeting lysosomal functions with nanomaterials, such as DNA nanostructures (DNs), represents a rational and systematic way to control cell functionality. Here we present a versatile DNA nanostructure-based platform that can modulate a number of cellular functions depending on the concentration and surface decoration of the nanostructure. Utilizing different peptides for surface functionalization of DNs, we were able to rationally modulate lysosomal activity, which in turn translated into the control of cellular function, ranging from changes in cell morphology to modulation of immune signaling and cell death. Low concentrations of decalysine peptide-coated DNs induced lysosomal acidification, altering the metabolic activity of susceptible cells. In contrast, DNs coated with an aurein-bearing peptide promoted lysosomal alkalization, triggering STING activation. High concentrations of decalysine peptide-coated DNs caused lysosomal swelling, loss of cell-cell contacts, and morphological changes without inducing cell death. Conversely, high concentrations of aurein-coated DNs led to lysosomal rupture and mitochondrial damage, resulting in significant cytotoxicity. Our study holds promise for the rational design of a new generation of versatile DNA-based nanoplatforms that can be used in various biomedical applications, like the development of combinatorial anti-cancer platforms, efficient systems for endolysosomal escape, and nanoplatforms modulating lysosomal pH.
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Affiliation(s)
- Petra Elblová
- Department of Optical and Biophysical Systems, Institute of Physics of the Czech Academy of Sciences, Prague, 18221, Czech Republic
- Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, CZ-121 16 Prague 2, Czech Republic
| | - Mariia Lunova
- Department of Optical and Biophysical Systems, Institute of Physics of the Czech Academy of Sciences, Prague, 18221, Czech Republic
- Institute for Clinical & Experimental Medicine (IKEM), Prague, 14021, Czech Republic
| | - Skylar J.W. Henry
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
- Biodesign Center for Molecular Design and Biomimetics, Arizona State University, Tempe, United States
| | - Xinyi Tu
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
- Biodesign Center for Molecular Design and Biomimetics, Arizona State University, Tempe, United States
| | - Alicia Calé
- Department of Optical and Biophysical Systems, Institute of Physics of the Czech Academy of Sciences, Prague, 18221, Czech Republic
- Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, CZ-121 16 Prague 2, Czech Republic
| | - Alexandr Dejneka
- Department of Optical and Biophysical Systems, Institute of Physics of the Czech Academy of Sciences, Prague, 18221, Czech Republic
| | - Jarmila Havelková
- Department of Neuroregeneration, Institute of Experimental Medicine of the Czech Academy of Sciences, Prague, 14220, Czech Republic
- Laboratory of Biomaterials and Tissue Engineering, Institute of Physiology of the Czech Academy of Sciences, Prague, 14220, Czech Republic
| | - Yuriy Petrenko
- Department of Neuroregeneration, Institute of Experimental Medicine of the Czech Academy of Sciences, Prague, 14220, Czech Republic
| | - Milan Jirsa
- Institute for Clinical & Experimental Medicine (IKEM), Prague, 14021, Czech Republic
| | - Nicholas Stephanopoulos
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
- Biodesign Center for Molecular Design and Biomimetics, Arizona State University, Tempe, United States
| | - Oleg Lunov
- Department of Optical and Biophysical Systems, Institute of Physics of the Czech Academy of Sciences, Prague, 18221, Czech Republic
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Dwivedi S, Arachchige DL, Olowolagba AM, Mahmoud M, Pandey S, Vohs T, Liu H, Luck RL. Near-Infrared Ratiometric Hemicyanine Fluorescent Probes for Monitoring Mitochondrial pH Dynamics in Live Cells during Oxidative Stress and Hypoxia. ACS OMEGA 2024; 9:42049-42060. [PMID: 39398167 PMCID: PMC11465658 DOI: 10.1021/acsomega.4c07303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/08/2024] [Revised: 09/13/2024] [Accepted: 09/19/2024] [Indexed: 10/15/2024]
Abstract
Novel near-infrared ratiometric molecules (probes A and B) produced by linking formyl-functionalized xanthene and methoxybenzene moieties, respectively, onto a xanthene-hemicyanine framework are detailed. Probe A exhibited a primary absorption peak at 780 nm and a shoulder peak at 730 nm and exhibited fluorescence at 740 nm↓ (signifies a downward shift in intensity upon acidification) in a pH 9.3 buffer and 780 nm↑ at pH 2.8 under excitation at 700 nm. Probe B featured absorptions at 618 and 668 nm at pH 3.2 and at 717 nm at pH 8.6, and fluorescence at 693 nm↑ at pH 3.2 and at 739 nm↓ at pH 8.6, in mostly the red to near-IR region. The ratiometric changes in the intensity of the fluorescent absorptions were reversed between A and B upon acidification as indicated by the arrows. Theoretical calculations confirmed that there were slight changes in conformation between probes and the protonated molecules, suggesting that the changes in emission spectra were due mostly to conjugation effects. Calculations at the APFD/6-311+g(d,p) level with a solvent described by the polarizable continuum model resulted in pK a values for A at 6.33 and B at 6.41, in good agreement with the experimentally determined value of 6.97 and an average of 6.40, respectively. The versatilities of the probes were demonstrated in various experimental contexts, including the effective detection of mitochondrial pH fluctuations. Live cell experiments involving exposure to different pH buffers in the presence of H+ ionophores, monitoring mitophagy processes during cell starvation, studying hypoxia induced by CoCl2 treatment, and investigating responses to various oxidative stresses are detailed. Our findings highlight the potential of attaching xanthene and methoxybenzaldehyde groups onto xanthene-hemicyanine structures as versatile tools for monitoring pH changes in a variety of cellular environments and processes.
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Affiliation(s)
- Sushil
K. Dwivedi
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, United States
| | - Dilka Liyana Arachchige
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, United States
| | - Adenike Mary Olowolagba
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, United States
| | - Mohamed Mahmoud
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, United States
| | - Subash Pandey
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, United States
| | - Tara Vohs
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, United States
| | - Haiying Liu
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, United States
| | - Rudy L. Luck
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, United States
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Olowolagba AM, Idowu MO, Arachchige DL, Aworinde OR, Dwivedi SK, Graham OR, Werner T, Luck RL, Liu H. Syntheses and Applications of Coumarin-Derived Fluorescent Probes for Real-Time Monitoring of NAD(P)H Dynamics in Living Cells across Diverse Chemical Environments. ACS APPLIED BIO MATERIALS 2024; 7:5437-5451. [PMID: 38995885 PMCID: PMC11333170 DOI: 10.1021/acsabm.4c00595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/14/2024]
Abstract
Fluorescent probes play a crucial role in elucidating cellular processes, with NAD(P)H sensing being pivotal in understanding cellular metabolism and redox biology. Here, the development and characterization of three fluorescent probes, A, B, and C, based on the coumarin platform for monitoring of NAD(P)H levels in living cells are described. Probes A and B incorporate a coumarin-cyanine hybrid structure with vinyl and thiophene connection bridges to 3-quinolinium acceptors, respectively, while probe C introduces a dicyano moiety for replacement of the lactone carbonyl group of probe A which increases the reaction rate of the probe with NAD(P)H. Initially, all probes exhibit subdued fluorescence due to intramolecular charge transfer (ICT) quenching. However, upon hydride transfer by NAD(P)H, fluorescence activation is triggered through enhanced ICT. Theoretical calculations confirm that the electronic absorption changes upon the addition of hydride to originate from the quinoline moiety instead of the coumarin section and end up in the middle section, illustrating how the addition of hydride affects the nature of this absorption. Control and dose-response experiments provide conclusive evidence of probe C's specificity and reliability in identifying intracellular NAD(P)H levels within HeLa cells. Furthermore, colocalization studies indicate probe C's selective targeting of mitochondria. Investigation into metabolic substrates reveals the influence of glucose, maltose, pyruvate, lactate, acesulfame potassium, and aspartame on NAD(P)H levels, shedding light on cellular responses to nutrient availability and artificial sweeteners. Additionally, we explore the consequence of oxaliplatin on cellular NAD(P)H levels, revealing complex interplays between DNA damage repair, metabolic reprogramming, and enzyme activities. In vivo studies utilizing starved fruit fly larvae underscore probe C's efficacy in monitoring NAD(P)H dynamics in response to external compounds. These findings highlight probe C's utility as a versatile tool for investigating NAD(P)H signaling pathways in biomedical research contexts, offering insights into cellular metabolism, stress responses, and disease mechanisms.
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Affiliation(s)
- Adenike Mary Olowolagba
- Department of Chemistry, Michigan Technological University, Houghton, Michigan 49931, United States
| | - Micah Olamide Idowu
- Department of Chemistry, Michigan Technological University, Houghton, Michigan 49931, United States
| | - Dilka Liyana Arachchige
- Department of Chemistry, Michigan Technological University, Houghton, Michigan 49931, United States
| | | | - Sushil K Dwivedi
- Department of Chemistry, Michigan Technological University, Houghton, Michigan 49931, United States
| | - Olivya Rose Graham
- Department of Biological Science, Michigan Technological University, Houghton, Michigan 49931, United States
| | - Thomas Werner
- Department of Biological Science, Michigan Technological University, Houghton, Michigan 49931, United States
| | - Rudy L Luck
- Department of Chemistry, Michigan Technological University, Houghton, Michigan 49931, United States
| | - Haiying Liu
- Department of Chemistry, Michigan Technological University, Houghton, Michigan 49931, United States
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Matić J, Piotrowski P, Vrban L, Kobetić R, Vianello R, Jurić I, Fabijanić I, Pernar Kovač M, Brozovic A, Piantanida I, Schmuck C, Radić Stojković M. Distinctive Nucleic Acid Recognition by Lysine-Embedded Phenanthridine Peptides. Int J Mol Sci 2024; 25:4866. [PMID: 38732083 PMCID: PMC11084427 DOI: 10.3390/ijms25094866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 04/25/2024] [Accepted: 04/27/2024] [Indexed: 05/13/2024] Open
Abstract
Three new phenanthridine peptide derivatives (19, 22, and 23) were synthesized to explore their potential as spectrophotometric probes for DNA and RNA. UV/Vis and circular dichroism (CD) spectra, mass spectroscopy, and computational analysis confirmed the presence of intramolecular interactions in all three compounds. Computational analysis revealed that compounds alternate between bent and open conformations, highlighting the latter's crucial influence on successful polynucleotide recognition. Substituting one glycine with lysine in two regioisomers (22, 23) resulted in stronger binding interactions with DNA and RNA than for a compound containing two glycines (19), thus emphasizing the importance of lysine. The regioisomer with lysine closer to the phenanthridine ring (23) exhibited a dual and selective fluorimetric response with non-alternating AT and ATT polynucleotides and induction of triplex formation from the AT duplex. The best binding constant (K) with a value of 2.5 × 107 M-1 was obtained for the interaction with AT and ATT polynucleotides. Furthermore, apart from distinguishing between different types of ds-DNA and ds-RNA, the same compound could recognize GC-rich DNA through distinct induced CD signals.
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Affiliation(s)
- Josipa Matić
- Laboratory for Biomolecular Interactions and Spectroscopy, Division of Organic Chemistry and Biochemistry, Ruđer Bošković Institute, Bijenička Cesta 54, 10000 Zagreb, Croatia; (J.M.); (R.K.); (I.J.); (I.F.); (I.P.)
| | - Patryciusz Piotrowski
- Institute for Organic Chemistry, University of Duisburg-Essen, Universitätsstrasse 7, 45141 Essen, Germany; (P.P.)
| | - Lucija Vrban
- Laboratory for the Computational Design and Synthesis of Functional Materials, Division of Organic Chemistry and Biochemistry, Ruđer Bošković Institute, Bijenička Cesta 54, 10000 Zagreb, Croatia; (L.V.); (R.V.)
| | - Renata Kobetić
- Laboratory for Biomolecular Interactions and Spectroscopy, Division of Organic Chemistry and Biochemistry, Ruđer Bošković Institute, Bijenička Cesta 54, 10000 Zagreb, Croatia; (J.M.); (R.K.); (I.J.); (I.F.); (I.P.)
| | - Robert Vianello
- Laboratory for the Computational Design and Synthesis of Functional Materials, Division of Organic Chemistry and Biochemistry, Ruđer Bošković Institute, Bijenička Cesta 54, 10000 Zagreb, Croatia; (L.V.); (R.V.)
| | - Ivona Jurić
- Laboratory for Biomolecular Interactions and Spectroscopy, Division of Organic Chemistry and Biochemistry, Ruđer Bošković Institute, Bijenička Cesta 54, 10000 Zagreb, Croatia; (J.M.); (R.K.); (I.J.); (I.F.); (I.P.)
| | - Ivana Fabijanić
- Laboratory for Biomolecular Interactions and Spectroscopy, Division of Organic Chemistry and Biochemistry, Ruđer Bošković Institute, Bijenička Cesta 54, 10000 Zagreb, Croatia; (J.M.); (R.K.); (I.J.); (I.F.); (I.P.)
| | - Margareta Pernar Kovač
- Division of Molecular Biology, Ruđer Bošković Institute, Bijenička Cesta 54, 10000 Zagreb, Croatia; (M.P.K.); (A.B.)
| | - Anamaria Brozovic
- Division of Molecular Biology, Ruđer Bošković Institute, Bijenička Cesta 54, 10000 Zagreb, Croatia; (M.P.K.); (A.B.)
| | - Ivo Piantanida
- Laboratory for Biomolecular Interactions and Spectroscopy, Division of Organic Chemistry and Biochemistry, Ruđer Bošković Institute, Bijenička Cesta 54, 10000 Zagreb, Croatia; (J.M.); (R.K.); (I.J.); (I.F.); (I.P.)
| | - Carsten Schmuck
- Institute for Organic Chemistry, University of Duisburg-Essen, Universitätsstrasse 7, 45141 Essen, Germany; (P.P.)
| | - Marijana Radić Stojković
- Laboratory for Biomolecular Interactions and Spectroscopy, Division of Organic Chemistry and Biochemistry, Ruđer Bošković Institute, Bijenička Cesta 54, 10000 Zagreb, Croatia; (J.M.); (R.K.); (I.J.); (I.F.); (I.P.)
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Ghosh S, Lai JY. Recent advances in the design of intracellular pH sensing nanoprobes based on organic and inorganic materials. ENVIRONMENTAL RESEARCH 2023; 237:117089. [PMID: 37683789 DOI: 10.1016/j.envres.2023.117089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/16/2023] [Accepted: 09/05/2023] [Indexed: 09/10/2023]
Abstract
In the biological system, the intracellular pH (pHi) plays an important role in regulating diverse physiological activities, including enzymatic action, ion transport, cell proliferation, metabolism, and programmed cell death. The monitoring of pH inside living cells is also crucial for studying cellular events such as phagocytosis, endocytosis, and receptor-ligand internalization. Furthermore, some organelles, viz., endosomes and lysosomes, have intracompartmental pH, which is critical for maintaining the stability of protein structure and function. The dysfunction and abnormal pH regulation can result in terminal diseases such as cancer, Alzheimer, and so forth. Therefore, the accuracy of intracellular pH measurement is always the top priority and demands cutting-edge research and analysis. Such techniques, such as Raman spectroscopy and fluorescence imaging, preferably use nanotechnology due to their remarkable advantages, such as a non-invasive approach and providing accuracy, repeatability, and reproducibility. In the past decades, there have been numerous attempts to design and construct non-invasive organic and inorganic materials-based nanoprobes for pHi sensing. For Raman-based techniques, metal nanostructures such as Au/Ag/Cu nanoparticles are utilized to enhance the signal intensity. As for the fluorescence-based studies, the organic-based small molecules, such as dyes, show higher sensitivity toward pH. However, they possess several drawbacks, including high photobleaching rate, and autofluorescence background signals. To this end, there are alternative nanomaterials proposed, including semiconductor quantum dots (QDs), carbon QDs, upconversion nanoparticles, and so forth. Moreover, the fluorescence technique allows for ratiometric measurement of pHi, which as a result, offers a reliable calibration curve. This timely review will critically examine the current progression in the existing nanoprobes. In addition, based on our knowledge and available research findings, we provide a brief future outlook that may advance the state-of-the-art methodologies for pHi sensing.
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Affiliation(s)
- Sandip Ghosh
- Department of Biomedical Engineering, Chang Gung University, Taoyuan, 33302, Taiwan
| | - Jui-Yang Lai
- Department of Biomedical Engineering, Chang Gung University, Taoyuan, 33302, Taiwan; Department of Ophthalmology, Chang Gung Memorial Hospital, Linkou, Taoyuan, 33305, Taiwan; Department of Materials Engineering, Ming Chi University of Technology, New Taipei City, 24301, Taiwan; Research Center for Chinese Herbal Medicine, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, 33303, Taiwan.
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Joniak J, Stankovičová H, Budzák Š, Sýkora M, Gaplovská-Kyselá K, Filo J, Cigáň M. Rigidized 3-aminocoumarins as fluorescent probes for strongly acidic environments and rapid yeast vacuolar lumen staining: mechanism and application. Phys Chem Chem Phys 2023. [PMID: 37470103 DOI: 10.1039/d3cp01090b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/21/2023]
Abstract
Coumarins remain one of the most important groups of fluorescent bio-probes, thanks to their high quantum yields, moderate photostability, efficient cell permeation and low (cyto)toxicity. Herein, we introduce new 3-aminocoumarins as turn-on pH probes under strongly acidic conditions and for indicators capable of significantly improving yeast vacuolar lumen staining compared to the commercial CMAC derivatives. We present the details of the on-off switching mechanism revealed by the TD-DFT and ab initio calculations complemented by a Franck-Condon analysis of the probes' emission profiles.
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Affiliation(s)
- Jakub Joniak
- Department of Organic Chemistry, Faculty of Natural Sciences, Comenius University, 842 15, Bratislava, Slovakia.
| | - Henrieta Stankovičová
- Department of Organic Chemistry, Faculty of Natural Sciences, Comenius University, 842 15, Bratislava, Slovakia.
| | - Šimon Budzák
- Department of Chemistry, Faculty of Natural Sciences, Matej Bel University, 974 01, Banská Bystrica, Slovakia
| | - Milan Sýkora
- Laboratory for Advanced Materials, Faculty of Natural Sciences, Comenius University, 842 15, Bratislava, Slovakia
| | - Katarína Gaplovská-Kyselá
- Department of Genetics, Faculty of Natural Sciences, Comenius University, 842 15, Bratislava, Slovakia
| | - Juraj Filo
- Department of Organic Chemistry, Faculty of Natural Sciences, Comenius University, 842 15, Bratislava, Slovakia.
| | - Marek Cigáň
- Department of Organic Chemistry, Faculty of Natural Sciences, Comenius University, 842 15, Bratislava, Slovakia.
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Zhang S, Chen L, Zhou C, Gao C, Yang J, Liao X, Yang B. Supramolecular fluorescent probe based on acyclic cucurbituril for detection of cancer Labels in human urine. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 294:122515. [PMID: 36842211 DOI: 10.1016/j.saa.2023.122515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 02/14/2023] [Accepted: 02/15/2023] [Indexed: 06/18/2023]
Abstract
Spermine (Spm) and spermidine (Spmd) are considered as potential biomarker for early diagnosis of human cancer. Herein, a novel acyclic cucurbituril derivative (UL-ACB) was firstly designed and synthesized, which fluoresces at 460 nm after excitation at 365 nm. UL-ACB is rich in oxygen atoms which are capable of forming coordinate bonds with copper (Cu2+) that cause quenching of UL-ACB fluorescence. Moreover, the addition of biological endogenous substances Spm and Spmd can turn on fluorescence of UL-ACB. Interestingly, the probe showed a remarkable detection efficiency for Spm and Spmd in human urine (the detection limits of Spm and Spmd were 0.156 μM and 0.762 μM, and the linear ranges are 0.156 ∼ 43.06 μM and 0.762 ∼ 29.10 μM), which completely covered the early diagnosis of urinary Spm (1 ∼ 10 μM) and urine Spmd (1 ∼ 20 μM) required concentration range in cancer patients. The probe for Spm and Spmd is simple, time-saving and selective, which may provide a new promising strategy for early cancer diagnosis.
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Affiliation(s)
- Shuqing Zhang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Liyuan Chen
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Chao Zhou
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Chuanzhu Gao
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Jing Yang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Xiali Liao
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, PR China.
| | - Bo Yang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, PR China.
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Xu J, Huang M, Jiao L, Pang H, Wang X, Duan R, Wu Q. Supramolecular Dimer as High-Performance pH Probe: Study on the Fluorescence Properties of Halogenated Ligands in Rigid Schiff Base Complex. Int J Mol Sci 2023; 24:ijms24119480. [PMID: 37298432 DOI: 10.3390/ijms24119480] [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: 05/07/2023] [Revised: 05/23/2023] [Accepted: 05/24/2023] [Indexed: 06/12/2023] Open
Abstract
The development of high-performance fluorescence probes has been an active area of research. In the present work, two new pH sensors Zn-3,5-Cl-saldmpn and Zn-3,5-Br-saldmpn based on a halogenated Schiff ligand (3,5-Cl-saldmpn = N, N'-(3,3'-dipropyhnethylamine) bis (3,5-chlorosalicylidene)) with linearity and a high signal-to-noise ratio were developed. Analyses revealed an exponential intensification in their fluorescence emission and a discernible chromatic shift upon pH increase from 5.0 to 7.0. The sensors could retain over 95% of their initial signal amplitude after 20 operational cycles, demonstrating excellent stability and reversibility. To elucidate their unique fluorescence response, a non-halogenated analog was introduced for comparison. The structural and optical characterization suggested that the introduction of halogen atoms can create additional interaction pathways between adjacent molecules and enhance the strength of the interaction, which not only improves the signal-to-noise ratio but also forms a long-range interaction process in the formation of the aggregation state, thus enhancing the response range. Meanwhile, the above proposed mechanism was also verified by theoretical calculations.
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Affiliation(s)
- Jiajun Xu
- Department of Chemical Science and Technology, Kunming University, Kunming 650214, China
| | - Meifen Huang
- College of Physics Science and Technology, Kunming University, Kunming 650214, China
| | - Liang Jiao
- College of Physics Science and Technology, Kunming University, Kunming 650214, China
| | - Haijun Pang
- The School of Material Science and Chemical Engineering, Harbin University of Science and Technology, Harbin 150040, China
| | - Xia Wang
- Department of Chemical Science and Technology, Kunming University, Kunming 650214, China
| | - Rui Duan
- Department of Chemical Science and Technology, Kunming University, Kunming 650214, China
| | - Qiong Wu
- Department of Chemical Science and Technology, Kunming University, Kunming 650214, China
- Yunnan Key Laboratory of Metal-Organic Molecular Materials and Device, School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, China
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Xie H, Liu Y, An H, Yi J, Li C, Wang X, Chai W. Recent advances in prevention, detection and treatment in prosthetic joint infections of bioactive materials. Front Bioeng Biotechnol 2022; 10:1053399. [PMID: 36440438 PMCID: PMC9685530 DOI: 10.3389/fbioe.2022.1053399] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Accepted: 10/31/2022] [Indexed: 11/07/2023] Open
Abstract
Prosthetic joint infection (PJI) is often considered as one of the most common but catastrophic complications after artificial joint replacement, which can lead to surgical failure, revision, amputation and even death. It has become a worldwide problem and brings great challenges to public health systems. A small amount of microbe attaches to the graft and forms a biofilm on its surface, which lead to the PJI. The current standard methods of treating PJI have limitations, but according to recent reports, bioactive materials have potential research value as a bioactive substance that can have a wide range of applications in the field of PJI. These include the addition of bioactive materials to bone cement, the use of antibacterial and anti-fouling materials for prosthetic coatings, the use of active materials such as bioactive glasses, protamine, hydrogels for prophylaxis and detection with PH sensors and fluorescent-labelled nanoparticles, and the use of antibiotic hydrogels and targeting delivery vehicles for therapeutic purposes. This review focus on prevention, detection and treatment in joint infections with bioactive materials and provide thoughts and ideas for their future applications.
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Affiliation(s)
- Hongbin Xie
- Senior Department of Orthopedics, Fourth Medical Center of People’s Liberation Army General Hospital, Beijing, China
- School of Medicine, Nankai University, Tianjin, China
- National Clinical Research Center for Orthopaedics, Sports Medicine & Rehabilitation, Beijing, China
| | - Yubo Liu
- Senior Department of Orthopedics, Fourth Medical Center of People’s Liberation Army General Hospital, Beijing, China
- School of Medicine, Nankai University, Tianjin, China
- National Clinical Research Center for Orthopaedics, Sports Medicine & Rehabilitation, Beijing, China
| | - Haoming An
- Senior Department of Orthopedics, Fourth Medical Center of People’s Liberation Army General Hospital, Beijing, China
- School of Medicine, Nankai University, Tianjin, China
- National Clinical Research Center for Orthopaedics, Sports Medicine & Rehabilitation, Beijing, China
| | - Jiafeng Yi
- Senior Department of Orthopedics, Fourth Medical Center of People’s Liberation Army General Hospital, Beijing, China
- School of Medicine, Nankai University, Tianjin, China
- National Clinical Research Center for Orthopaedics, Sports Medicine & Rehabilitation, Beijing, China
| | - Chao Li
- Senior Department of Orthopedics, Fourth Medical Center of People’s Liberation Army General Hospital, Beijing, China
- National Clinical Research Center for Orthopaedics, Sports Medicine & Rehabilitation, Beijing, China
| | - Xing Wang
- Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Wei Chai
- Senior Department of Orthopedics, Fourth Medical Center of People’s Liberation Army General Hospital, Beijing, China
- National Clinical Research Center for Orthopaedics, Sports Medicine & Rehabilitation, Beijing, China
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Ultra-fast pH determination with a new colorimetric pH-sensing hydrogel for biomedical and environmental applications. REACT FUNCT POLYM 2022. [DOI: 10.1016/j.reactfunctpolym.2022.105398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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11
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Wang J, Huo F, Zhang Y, Yin C. Spiropyran isomerization triggering ESIPT for visualization of pH fluctuations during oxidative stress in living cells. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.107818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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12
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Sun Y, Sun P, Li Z, Qu L, Guo W. Natural flavylium-inspired far-red to NIR-II dyes and their applications as fluorescent probes for biomedical sensing. Chem Soc Rev 2022; 51:7170-7205. [PMID: 35866752 DOI: 10.1039/d2cs00179a] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Fluorescent probes that emit in the far-red (600-700 nm), first near-infrared (NIR-I, 700-900 nm), and second NIR (NIR-II, 900-1700 nm) regions possess unique advantages, including low photodamage and deep penetration into biological samples. Notably, NIR-II optical imaging can achieve tissue penetration as deep as 5-20 mm, which is critical for biomedical sensing and clinical applications. Much research has focused on developing far-red to NIR-II dyes to meet the needs of modern biomedicine. Flavylium compounds are natural colorants found in many flowers and fruits. Flavylium-inspired dyes are ideal platforms for constructing fluorescent probes because of their far-red to NIR emissions, high quantum yields, high molar extinction coefficients, and good water solubilities. The synthetic and structural diversities of flavylium dyes also enable NIR-II probe development, which markedly advance the field of NIR-II in vivo imaging. In the last decade, there have been huge developments in flavylium-inspired dyes and their applications as far-red to NIR fluorescent probes for biomedical applications. In this review, we highlight the optical properties of representative flavylium dyes, design strategies, sensing mechanisms, and applications as fluorescent probes for detecting and visualizing important biomedical species and events. This review will prompt further research not only on flavylium dyes, but also into all far-red to NIR fluorophores and fluorescent probes. Moreover, this interest will hopefully spillover into applications related to complex biological systems and clinical treatments, ranging in focus from the sub-organelle to whole-animal levels.
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Affiliation(s)
- Yuanqiang Sun
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Pengjuan Sun
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Zhaohui Li
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Lingbo Qu
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Wei Guo
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China.
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13
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Patil AR, Shastri LA, Tilakraj T, Inamdar SR, Shastri SL, Hebbar NU, Pawar V, Sunagar VA. Synthesis and characterization of acid-base indicator: Exploring pH sensor, photophysical, thermal applications and theoretical study. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132363] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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14
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Lv H, Sun H. A novel coumarin-benzopyrylium based near-infrared fluorescent probe for Hg 2+ and its practical applications. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 267:120527. [PMID: 34749110 DOI: 10.1016/j.saa.2021.120527] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 10/20/2021] [Accepted: 10/20/2021] [Indexed: 06/13/2023]
Abstract
A novel colorimetric and ratiometric NIR fluorescent probe for Hg2+ was designed and synthesized based on a coumarin-benzopyrylium platform. The ring-open form of the probe exhibits NIR absorption (670 nm) and emission (720 nm). The probe shows high sensitivity, high selectivity and rapid response (30 s) to Hg2+. The detection limit was as low as 6.94 nM. The probe shows high stability in a wide pH range from 2 to 10. Moreover, the probe can be employed for detecting Hg2+ in food and biological samples.
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Affiliation(s)
- Hongshui Lv
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China.
| | - Haiyan Sun
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China.
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15
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A benzocoumarin-based fluorescent probe for highly specific ultra-sensitive fast detecting endogenous/exogenous hypochlorous acid and its applications. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.113843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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16
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Liu K, Fan L, Huang S, Sun J, Wang X, Li H, Si C, Zhang W, Li T, Yang Z. A benzocoumarin-based fluorescent probe for ultra-sensitive and fast detection of endogenous/exogenous hypochlorous acid and its applications. Analyst 2022; 147:1976-1985. [DOI: 10.1039/d1an02178h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hypochlorous acid (HOCl) is widely used in daily production and life because of its green and strongly oxidizing properties.
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Affiliation(s)
- Kui Liu
- College of Chemistry and Chemical Engineering, State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, PR China
| | - Long Fan
- College of Chemistry and Chemical Engineering, State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, PR China
| | - Sujie Huang
- College of Basic Medical School, Lanzhou University, Lanzhou 730000, PR China
| | - Jie Sun
- College of Chemistry and Chemical Engineering, State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, PR China
| | - Xiaofeng Wang
- College of Chemical Engineering and Technology, Tianshui Normal University, Tianshui 741001, PR China
| | - Huixue Li
- College of Chemical Engineering and Technology, Tianshui Normal University, Tianshui 741001, PR China
| | - Changdai Si
- College of Chemical Engineering and Technology, Tianshui Normal University, Tianshui 741001, PR China
| | - Wei Zhang
- College of Basic Medical School, Lanzhou University, Lanzhou 730000, PR China
| | - Tianrong Li
- College of Chemistry and Chemical Engineering, State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, PR China
| | - Zhengyin Yang
- College of Chemistry and Chemical Engineering, State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, PR China
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17
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Wen Y, Jing N, Huo F, Yin C. Recent progress of organic small molecule-based fluorescent probes for intracellular pH sensing. Analyst 2021; 146:7450-7463. [PMID: 34788777 DOI: 10.1039/d1an01621k] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Fluorescent probes along with fluorescence microscopy are essential tools for biomedical research. Various cellular ubiquitous chemical factors such as pH, H2O2, and Ca2+ are labeled and traced using specific fluorescent probes, therefore helping us to explore their physiological function and pathological change. Among them, intracellular pH value is an important factor that governs biological processes, generally ∼7.2. Furthermore, specific organelles within cells possess unique acid-base homeostasis, involving the acidic lysosomes, alkalescent mitochondria, and neutral endoplasmic reticulum and Golgi apparatus, which undergo various physiological processes such as intracellular digestion, ATP production, and protein folding and processing. In this review, recently reported fluorescent probes targeted toward the lysosomes, mitochondria, endoplasmic reticulum, Golgi apparatus, and cytoplasm for sensing pH change are discussed, which involves molecular structures, fluorescence behavior, and biological applications.
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Affiliation(s)
- Ying Wen
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China.
| | - Ning Jing
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China.
| | - Fangjun Huo
- Research Institute of Applied Chemistry, Shanxi University, Taiyuan, 030006, P. R. China
| | - Caixia Yin
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China.
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18
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Hande PE, Shelke YG, Datta A, Gharpure SJ. Recent Advances in Small Molecule-Based Intracellular pH Probes. Chembiochem 2021; 23:e202100448. [PMID: 34695287 DOI: 10.1002/cbic.202100448] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 10/23/2021] [Indexed: 01/04/2023]
Abstract
Intracellular pH plays an important role in many biological and pathological processes. Small-molecule based pH probes are found to be the most effective for pH sensing because of ease of preparation, high sensitivity, and quick response. They have many advantages such as small perturbation to the functions of the target, functional adaptability, cellular component-specific localization, etc. The present review highlights the flurry of recent activity in the development of such probes. The probes are categorized based on the type of fluorophore used like quinoline, coumarin, BODIPY, rhodamine, indolium, naphthalimide, etc., and their analytical performance is discussed.
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Affiliation(s)
- Pankaj E Hande
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, India
| | - Yogesh G Shelke
- Department of Chemistry, BioScience Research Collaborative, Rice University, 6100 Main Street, Houston, TX 77005, USA
| | - Anindya Datta
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, India
| | - Santosh J Gharpure
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, India
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19
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Wan S, Xia S, Medford J, Durocher E, Steenwinkel TE, Rule L, Zhang Y, Luck RL, Werner T, Liu H. A ratiometric near-infrared fluorescent probe based on a novel reactive cyanine platform for mitochondrial pH detection. J Mater Chem B 2021; 9:5150-5161. [PMID: 34132313 PMCID: PMC8265329 DOI: 10.1039/d1tb00643f] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
A near-infrared reactive cyanine platform (probe A) was prepared by condensation of 9-chloro-1,2,3,4-tetrahydro-10-methyl-acridinium iodide with Fisher's aldehyde. A near-infrared fluorescent probe (probe B) was prepared by modifying a reactive chlorine atom of probe A with tert-butyl(2-aminoethyl)carbamate through a substitution reaction. The deprotection of the Boc group of probe B was achieved under an acidic condition, affording an amine-functionalized cyanine dye (probe C). A near-infrared ratiometric fluorescent probe (probe D) for mitochondrial pH detection was synthesized by conjugating a FRET coumarin donor to a FRET cyanine acceptor (probe C) through an amide bond connection. Probe A shows low fluorescence of 2% due to an electron-withdrawing chlorine atom, while probes B-D display high fluorescence quantum yields of 60%, 32%, and 35% in aqueous solutions containing 10% ethanol, respectively. Probes B-D show strong fluorescence with push-pull molecular structures in neutral and basic pH conditions. However, protonation of the probe's second amine at the 9-position under acidic condition disrupts the push-pull feature of the probes, resulting in fluorescence quenching of the new cyanine fluorophores. The probes can selectively stain mitochondria, while probe D was employed to detect pH changes in HeLa cells and Drosophila melanogaster first-instar larvae.
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Affiliation(s)
- Shulin Wan
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA.
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20
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Moody AS, Dayton PA, Zamboni WC. Imaging methods to evaluate tumor microenvironment factors affecting nanoparticle drug delivery and antitumor response. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2021; 4:382-413. [PMID: 34796317 PMCID: PMC8597952 DOI: 10.20517/cdr.2020.94] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 01/07/2021] [Accepted: 01/28/2021] [Indexed: 11/24/2022]
Abstract
Standard small molecule and nanoparticulate chemotherapies are used for cancer treatment; however, their effectiveness remains highly variable. One reason for this variable response is hypothesized to be due to nonspecific drug distribution and heterogeneity of the tumor microenvironment, which affect tumor delivery of the agents. Nanoparticle drugs have many theoretical advantages, but due to variability in tumor microenvironment (TME) factors, the overall drug delivery to tumors and associated antitumor response are low. The nanotechnology field would greatly benefit from a thorough analysis of the TME factors that create these physiological barriers to tumor delivery and treatment in preclinical models and in patients. Thus, there is a need to develop methods that can be used to reveal the content of the TME, determine how these TME factors affect drug delivery, and modulate TME factors to increase the tumor delivery and efficacy of nanoparticles. In this review, we will discuss TME factors involved in drug delivery, and how biomedical imaging tools can be used to evaluate tumor barriers and predict drug delivery to tumors and antitumor response.
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Affiliation(s)
- Amber S. Moody
- UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599, USA
- UNC Lineberger Comprehensive Cancer Center, Chapel Hill, NC 27599, USA
- Carolina Institute for Nanomedicine, Chapel Hill, NC 27599, USA
- Joint Department of Biomedical Engineering, University of North Carolina and North Carolina State University, Chapel Hill, NC 27599, USA
| | - Paul A. Dayton
- UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599, USA
- UNC Lineberger Comprehensive Cancer Center, Chapel Hill, NC 27599, USA
- Joint Department of Biomedical Engineering, University of North Carolina and North Carolina State University, Chapel Hill, NC 27599, USA
| | - William C. Zamboni
- UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599, USA
- UNC Lineberger Comprehensive Cancer Center, Chapel Hill, NC 27599, USA
- Carolina Institute for Nanomedicine, Chapel Hill, NC 27599, USA
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21
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Yang R, He X, Niu G, Meng F, Lu Q, Liu Z, Yu X. A Single Fluorescent pH Probe for Simultaneous Two-Color Visualization of Nuclei and Mitochondria and Monitoring Cell Apoptosis. ACS Sens 2021; 6:1552-1559. [PMID: 33533249 DOI: 10.1021/acssensors.0c02372] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Subcellular organelles play indispensable roles in diverse biological processes by their precise mutual cooperation. Thus, the development of a single fluorescent probe (SF-probe) for simultaneous and discriminable visualization of different organelles and their dynamics during certain bioprocess is significant, yet remains greatly challenging. Herein, for the first time, we rationally prepared a pH-sensitive SF-probe (named HMBI) for the simultaneous two-color visualization of nuclei and mitochondria and monitoring cell apoptosis. HMBI shows remarkable ratiometric fluorescence changes toward pH changes. Due to different pH environments in subcellular organelles, HMBI can image nuclei and mitochondria with green and red emission, respectively. HMBI can monitor drug-induced cell apoptosis with dramatically decreased red emission in mitochondria but almost unchanged green emission in nuclei, and the shrinking and pyknotic nuclei are also observed during cell apoptosis. HMBI possesses tremendous potential in two-color biomedical imaging of the dynamic changes of nuclei and mitochondria in many physiological processes.
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Affiliation(s)
- Rui Yang
- State Key Laboratory of Crystal Materials, and Advanced Medical Research Institute, Shandong University, Jinan 250100, P. R. China
| | - Xiuquan He
- Department of Anatomy, School of Basic Medical Sciences, Shandong University, Jinan 250012, P. R. China
| | - Guangle Niu
- State Key Laboratory of Crystal Materials, and Advanced Medical Research Institute, Shandong University, Jinan 250100, P. R. China
| | - Fangfang Meng
- State Key Laboratory of Crystal Materials, and Advanced Medical Research Institute, Shandong University, Jinan 250100, P. R. China
| | - Qing Lu
- State Key Laboratory of Crystal Materials, and Advanced Medical Research Institute, Shandong University, Jinan 250100, P. R. China
| | - Zhiqiang Liu
- State Key Laboratory of Crystal Materials, and Advanced Medical Research Institute, Shandong University, Jinan 250100, P. R. China
| | - Xiaoqiang Yu
- State Key Laboratory of Crystal Materials, and Advanced Medical Research Institute, Shandong University, Jinan 250100, P. R. China
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22
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Singh B, Bahadur R, Neekhra S, Gandhi M, Srivastava R. Hydrothermal-Assisted Synthesis and Stability of Multifunctional MXene Nanobipyramids: Structural, Chemical, and Optical Evolution. ACS APPLIED MATERIALS & INTERFACES 2021; 13:3011-3023. [PMID: 33411493 DOI: 10.1021/acsami.0c18712] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Recent advancements in two-dimensional materials have brought MXene (Ti3C2) into attention due to its exciting properties as a very promising material for various applications. In this work, we report a novel Ti3C2 nanobipyramid (Ti3C2 NB) structure obtained through a three-step process involving exfoliation, delamination, and subsequent hydrothermal treatment. The morphological and textural properties at each step of synthesis were studied using an array of experimental techniques such as transmission electron microscopy, scanning electron microscopy, and atomic force microscopy and the chemical properties through X-ray diffraction, Raman, Fourier transform infrared spectroscopy, and X-ray photoelectron spectroscopy analysis. The Ti3C2 NBs exhibit fluorescence with an excitation-dependent emission. Further, the effect of temperature and pH on the fluorescence was also investigated, which opens up its scope in bioanalytical applications. Ti3C2 NBs showed a ∼43% increase in photoluminescence intensity from pH 3 to 11 while a ∼38% increase with the temperature from 20 to 80 °C. Usually, MXenes are highly susceptible to oxidation, but the Ti3C2 NBs were found to be chemically and optically stable even after 30 days. Bestowed with good hydrophilicity, the material exhibited high biocompatibility on the mouse fibroblast cell line L929. Further, L929 cells also showed good cellular adhesion on a Ti3C2 NB-modified glass substrate. These properties pave a way for its multifunctional ability as a sensor for pH and temperature as well as bioimaging.
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Affiliation(s)
- Barkha Singh
- Department of Biosciences and Bioengineering, Indian Institute of Technology, Bombay (IITB), Powai, Mumbai 400076, India
- Centre for Research in Nano Technology & Science (CRNTS), Indian Institute of Technology, Bombay (IITB), Powai, Mumbai 400076, India
| | - Rohan Bahadur
- Department of Biosciences and Bioengineering, Indian Institute of Technology, Bombay (IITB), Powai, Mumbai 400076, India
| | - Suditi Neekhra
- Department of Biosciences and Bioengineering, Indian Institute of Technology, Bombay (IITB), Powai, Mumbai 400076, India
| | - Mayuri Gandhi
- Centre for Research in Nano Technology & Science (CRNTS), Indian Institute of Technology, Bombay (IITB), Powai, Mumbai 400076, India
| | - Rohit Srivastava
- Department of Biosciences and Bioengineering, Indian Institute of Technology, Bombay (IITB), Powai, Mumbai 400076, India
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23
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24
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Yang Q, Zhou L, Peng L, Yuan G, Ding H, Tan L, Zhou Y. A smart mitochondria-targeting TP-NIR fluorescent probe for the selective and sensitive sensing of H 2S in living cells and mice. NEW J CHEM 2021. [DOI: 10.1039/d1nj00840d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Hydrogen sulfide (H2S) is one of the important gaseous signalling molecules, which plays key roles in various critical biological processes.
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Affiliation(s)
- Qiaomei Yang
- Hunan Key Laboratory of Processed Food for Special Medical Purpose
- National Engineering Laboratory for Deep Process of Rice and Byproducts
- College of Food Science and Engineering
- Central South University of Forestry and Technology
- Changsha
| | - Liyi Zhou
- Hunan Key Laboratory of Processed Food for Special Medical Purpose
- National Engineering Laboratory for Deep Process of Rice and Byproducts
- College of Food Science and Engineering
- Central South University of Forestry and Technology
- Changsha
| | - Longpeng Peng
- Hunan Key Laboratory of Processed Food for Special Medical Purpose
- National Engineering Laboratory for Deep Process of Rice and Byproducts
- College of Food Science and Engineering
- Central South University of Forestry and Technology
- Changsha
| | - Gangqiang Yuan
- Hunan Key Laboratory of Processed Food for Special Medical Purpose
- National Engineering Laboratory for Deep Process of Rice and Byproducts
- College of Food Science and Engineering
- Central South University of Forestry and Technology
- Changsha
| | - Haiyuan Ding
- Hunan Key Laboratory of Processed Food for Special Medical Purpose
- National Engineering Laboratory for Deep Process of Rice and Byproducts
- College of Food Science and Engineering
- Central South University of Forestry and Technology
- Changsha
| | - Libin Tan
- Hunan Key Laboratory of Processed Food for Special Medical Purpose
- National Engineering Laboratory for Deep Process of Rice and Byproducts
- College of Food Science and Engineering
- Central South University of Forestry and Technology
- Changsha
| | - Yizhuang Zhou
- Guangxi Key Laboratory of Tumor Immunology and Microenvironmental Regulation
- Guilin Medical University
- Guilin
- China
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25
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Putra AU, Çakmaz D, Seferoğlu N, Barsella A, Seferoğlu Z. Styryl-based new organic chromophores bearing free amino and azomethine groups: synthesis, photophysical, NLO, and thermal properties. Beilstein J Org Chem 2020; 16:2282-2296. [PMID: 33014168 PMCID: PMC7509381 DOI: 10.3762/bjoc.16.189] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 08/25/2020] [Indexed: 01/09/2023] Open
Abstract
Herein we report the synthesis and characterization of a new series of styryl-based push-pull dyes containing a free amino group and their Schiff base derivatives. The dyes include the dicyanomethylene group as an acceptor and different para-substituted alkylamines as donors. Morever as a proton-sensitive group a pyridin-2-yl substituent was attached to the para-position of the phenyl moiety in both series of compounds. The photophysical properties of the dyes were examined in various solvents with different polarities and showed absorption in the visible region and green-red emission with low quantum yields. The absorption and the emission maxima were shifted bathocromically by increasing the solvent's polarity. However, there was no correlation with the polarity parameters of the solvents. The pH-sensitive properties of all prepared Schiff bases were examined against TBAOH in DMSO, via deprotonation of the OH group in the salicylidene moiety and their reverse protonation was also investigated using TFA. The Schiff bases exhibited a bathochromic shift upon the addition of TBAOH to their solutions in DMSO. Therefore, they showed potential to be utilized as colorimetric and luminescence pH sensors. The second-order nonlinear optical (NLO) responses of the dyes were measured by the electric field-induced second harmonic (EFISH) generation method. The highest μβ values were obtained for the dyes bearing the julolidine donor as 1430 × 10-48 esu (for free amino derivative) and 1950 × 10-48 esu (for Schiff base derivative), respectively. The structural and electronic properties of the dyes as well as their NLO properties were further studied using DFT calculations. The thermal stabilities of all dyes were evaluated by thermogravimetric analysis (TGA). The TGA data showed that all dyes were thermally stable up to 250 °C.
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Affiliation(s)
- Anka Utama Putra
- Gazi University, Department of Chemistry, Yenimahalle, Ankara, 06560, Turkey
| | - Deniz Çakmaz
- Gazi University, Department of Chemistry, Yenimahalle, Ankara, 06560, Turkey
| | - Nurgül Seferoğlu
- Gazi University, Department of Advanced Technology, Yenimahalle, Ankara, 06560, Turkey
| | - Alberto Barsella
- Strasbourg University, Department of Ultra-Fast Optics and Nanophotonics, IPCMS, UMR CNRS, 7504, 67034 Strasbourg Cedex 2, France
| | - Zeynel Seferoğlu
- Gazi University, Department of Chemistry, Yenimahalle, Ankara, 06560, Turkey
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26
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Mizuno S, Tsuji H, Uozumi Y, Kawatsura M. Synthesis of α-Tertiary Amines by the Ruthenium-catalyzed Regioselective Allylic Amination of Tertiary Allylic Esters. CHEM LETT 2020. [DOI: 10.1246/cl.200107] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Shota Mizuno
- Department of Chemistry, College of Humanities & Sciences, Nihon University, Sakurajosui, Setagaya-ku, Tokyo 156-8550, Japan
| | - Hiroaki Tsuji
- Department of Chemistry, College of Humanities & Sciences, Nihon University, Sakurajosui, Setagaya-ku, Tokyo 156-8550, Japan
| | - Yasuhiro Uozumi
- Institute for Molecular Science (IMS), Myodaiji, Okazaki 444-8787, Japan
- SOKENDAI (The Graduate University for Advanced Studies), Myodaiji, Okazaki 444-8787, Japan
| | - Motoi Kawatsura
- Department of Chemistry, College of Humanities & Sciences, Nihon University, Sakurajosui, Setagaya-ku, Tokyo 156-8550, Japan
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27
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Xia S, Wang J, Zhang Y, Whisman N, Bi J, Steenwinkel TE, Wan S, Medford J, Tajiri M, Luck RL, Werner T, Liu H. Ratiometric fluorescent probes based on through-bond energy transfer of cyanine donors to near-infrared hemicyanine acceptors for mitochondrial pH detection and monitoring of mitophagy. J Mater Chem B 2020; 8:1603-1615. [PMID: 32055810 PMCID: PMC7058096 DOI: 10.1039/c9tb02302j] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Two ratiometric near-infrared fluorescent probes have been developed to selectively detect mitochondrial pH changes based on highly efficient through-bond energy transfer (TBET) from cyanine donors to near-infrared hemicyanine acceptors. The probes consist of identical cyanine donors connected to different hemicyanine acceptors with a spirolactam ring structure linked via a biphenyl linkage. At neutral or basic pH, the probes display only fluorescence of the cyanine donors when they are excited at 520 nm. However, acidic pH conditions trigger spirolactam ring opening, leading to increased π-conjugation of the hemicyanine acceptors, resulting in new near-infrared fluorescence peaks at 740 nm and 780 nm for probes A and B, respectively. This results in ratiometric fluorescence responses of the probes to pH changes indicated by decreases of the donor fluorescence and increases of the acceptor fluorescence under donor excitation at 520 nm due to a highly efficient TBET from the donors to the acceptors. The probes only show cyanine donor fluorescence in alkaline-pH mitochondria. However, the probes show moderate fluorescence decreases of the cyanine donor and considerable fluorescence increases of hemicyanine acceptors during the mitophagy process induced by nutrient starvation or under drug treatment. The probes display rapid, selective, and sensitive responses to pH changes over metal ions, good membrane penetration, good photostability, large pseudo-Stokes shifts, low cytotoxicity, mitochondria-targeting, and mitophagy-tracking capabilities.
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Affiliation(s)
- Shuai Xia
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA.
| | - Jianbo Wang
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA. and College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, China.
| | - Yibin Zhang
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA.
| | - Nick Whisman
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA.
| | - Jianheng Bi
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA.
| | - Tessa E Steenwinkel
- Department of Biological Sciences, Michigan Technological University, Houghton, MI 49931, USA.
| | - Shulin Wan
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA.
| | - Jerry Medford
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA.
| | - Momoko Tajiri
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA.
| | - Rudy L Luck
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA.
| | - Thomas Werner
- Department of Biological Sciences, Michigan Technological University, Houghton, MI 49931, USA.
| | - Haiying Liu
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA.
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Abeywickrama CS, Bertman KA, Mcdonald LJ, Alexander N, Dahal D, Baumann HJ, Salmon CR, Wesdemiotis C, Konopka M, Tessier CA, Pang Y. Synthesis of highly selective lysosomal markers by coupling 2-(2'-hydroxyphenyl)benzothiazole (HBT) with benzothiazolium cyanine (Cy): the impact of substituents on selectivity and optical properties. J Mater Chem B 2019; 7:7502-7514. [PMID: 31712794 DOI: 10.1039/c9tb01672d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
HBT-Cy 1 has been previously reported as a highly selective fluorescent probe for lysosome visualization in live cells. To further investigate the role of the structural components of HBT-Cy in lysosome selectivity, cyanine based fluorescent probe series (2-5) have been synthesized in good yields by connecting benzothiazolium cyanine (Cy) with 2-hydroxyphenylbenzothiazole (HBT) via a meta phenylene ring. Probes 2-5 exhibited exceptional photophysical properties including bright red-emission (λem≈ 630-650 nm), a large Stokes shift (Δλ > 130 nm) and high fluorescence quantum yields (φfl≈ 0.1-0.5). Probes 2, 3, and 5 exhibited exceptional selectivity towards cellular lysosomes in NHLF and MO3.13 cells. Our further study revealed that the phenyl benzothiazolium cyanine component (6) was the lysosome directing group in the HBT-Cy probe structure. The attachment of the hydroxyphenyl benzothiazole (HBT) component to the HBT-Cy probe structure has significantly improved its photophysical properties. Lysosome probes 2, 3 and 5 exhibited excellent biocompatibility, quick staining, bright red fluorescence, and wash-free application for live cell imaging. These probes further exhibited excellent characteristics for bioimaging experiments including a non-alkalinizing nature, high biocompatibility, high photostability and long-term imaging ability (>4 hours).
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Affiliation(s)
| | - Keti A Bertman
- Department of Chemistry, University of Akron, Akron, Ohio 44325, USA.
| | - Lucas J Mcdonald
- Department of Chemistry, University of Akron, Akron, Ohio 44325, USA.
| | - Nicolas Alexander
- Department of Chemistry, University of Akron, Akron, Ohio 44325, USA.
| | - Dipendra Dahal
- Department of Chemistry, University of Akron, Akron, Ohio 44325, USA.
| | - Hannah J Baumann
- Department of Chemistry, University of Akron, Akron, Ohio 44325, USA.
| | - Carrie R Salmon
- Department of Chemistry, University of Akron, Akron, Ohio 44325, USA.
| | - Chrys Wesdemiotis
- Department of Chemistry, University of Akron, Akron, Ohio 44325, USA.
| | - Michael Konopka
- Department of Chemistry, University of Akron, Akron, Ohio 44325, USA.
| | - Claire A Tessier
- Department of Chemistry, University of Akron, Akron, Ohio 44325, USA.
| | - Yi Pang
- Department of Chemistry, University of Akron, Akron, Ohio 44325, USA. and Maurice Morton Institute of Polymer Science, University of Akron, Akron, Ohio 44325, USA
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30
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Norouz Dizaji A, Ding D, Kutsal T, Turk M, Kong D, Piskin E. In vivo imaging/detection of MRSA bacterial infections in mice using fluorescence labelled polymeric nanoparticles carrying vancomycin as the targeting agent. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2019; 31:293-309. [PMID: 31762403 DOI: 10.1080/09205063.2019.1692631] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
This study aims to develop fluorescence labelled polymeric nanoparticle (NP) carrying vancomycin as the targeting agent for in vivo imaging of Methicillin-resistant Staphylococcus aureus bacterial infections in animal models. Maleimide functionalized 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[maleimide (polyethylene glycol)-2000] as the main was carrier matrix to prepare the NPs. A fluorescence probe, namely, poly[9,9'-bis (6″-N,N,N-trimethylammonium) hexyl) fluorene-co-alt-4,7-(2,1,3-benzothiadiazole) dibromide] was encapsulated within these NPs by ultrasonication successfully. UV-Vis spectro- photometry of the NPs showed the characteristic shifting on the peak of conjugated polymers indicating successful packaging of this compound with lipid bilayers in nanoscales. Zeta-sizer and TEM analysis showed that the prepared NPs have a diameter of 80-100 nm in a narrow size distribution. Thiolated vancomycin was synthesized and attached to the NPs as the targeting agent. FTIR and MALDI-TOF spectroscopy analysis confirmed the immobilization. The specific targeting properties of the vancomycin conjugated NPs to the target bacteria were first confirmed in in vitro bacterial cultures in which Escherichia coli was the non-target bacteria - using confocal microscopy and TEM. Imaging of bacterial infections in vivo was investigated in mice model using a non-invasive live animal fluorescence imaging technique. The results confirmed that bacterial infections can be detected using these novel polymeric NPs carrying fluorescence probes for imaging and vancomycin as the targeting agent - in vivo successfully.
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Affiliation(s)
- Araz Norouz Dizaji
- Bioengineering Division, Institute of Graduate Studies, Hacettepe University, Beytepe, Ankara, Turkey
| | - Dan Ding
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education, and College of Life Sciences, Nankai University, Tianjin, China
| | - Tulin Kutsal
- Faculty of Engineering, Chemical Engineering Department, Hacettepe University, Beytepe, Ankara, Turkey
| | - Mustafa Turk
- Faculty of Engineering, Department of Bioengineering, Kirikkale University, Yahsihan, Kirikkale, Turkey
| | - Deling Kong
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education, and College of Life Sciences, Nankai University, Tianjin, China
| | - Erhan Piskin
- Bioengineering Division, Institute of Graduate Studies, Hacettepe University, Beytepe, Ankara, Turkey.,NanoBMT: Nanobiyomedtek Biyomedikal ve Biyoteknoloji San.Tic.Ltd.Şti, Bilkent, Ankara, Turkey
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31
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Witkowska A, Brzezinska J, Pedzinski T, Chmielewski MK. Fluorescent 2-(Pyridin-2-yl)vinyl Pyridine Dyes and Their Thermocontrolled Release. J Org Chem 2019; 84:13447-13456. [PMID: 31580069 DOI: 10.1021/acs.joc.9b01620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The generation of unique thermosensitive fluorescent dyes via heteroaromatic Heck cross-coupling and N-pyridin-2-yl nucleophilic substitution was described. To demonstrate thermosensitive properties, the precursor was converted into carbonates or phosphates and heated at various temperatures and for various time periods. Significant changes in the fluorescence intensity and emission wavelengths, between carbonates and the cyclic product, were observed, and it was proved that the dyes may serve as removable fluorescent labels with large Stokes shifts (>80 nm). The application of thermosensitive fluorescent dyes in oligonucleotide labeling has been demonstrated.
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Affiliation(s)
- Agnieszka Witkowska
- Institute of Bioorganic Chemistry , Polish Academy of Sciences , Noskowskiego 12/14, 61-704 Poznań , Poland
| | - Jolanta Brzezinska
- Institute of Bioorganic Chemistry , Polish Academy of Sciences , Noskowskiego 12/14, 61-704 Poznań , Poland
| | - Tomasz Pedzinski
- Faculty of Chemistry , Adam Mickiewicz University , Uniwersytetu Poznanskiego 8, 61-614 Poznań , Poland
| | - Marcin K Chmielewski
- Institute of Bioorganic Chemistry , Polish Academy of Sciences , Noskowskiego 12/14, 61-704 Poznań , Poland.,Future Synthesis sp. z o.o. ul. , Rubież 46H, 61-612 Poznań , Poland
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32
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Li J, Zhuge X, Li Y, Yuan C. The water-soluble indolium-based fluorescence probes for detection of the extreme acidity or extreme alkalinity. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.130688] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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33
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Park JY, Han J, Jung HS, Lee G, Kim HJ, Cho GS, Park HJ, Han C, Kim JS, Kim JH. Synthetic probes for in vitro purification and in vivo tracking of hepatocytes derived from human pluripotent stem cells. Biomaterials 2019; 222:119431. [DOI: 10.1016/j.biomaterials.2019.119431] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 07/23/2019] [Accepted: 08/13/2019] [Indexed: 02/06/2023]
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34
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Yang M, Wang L, Leng X, Zhang Y. A solvent-dependent fluorometric dual-mode probe for Pd2+ and ClO− in living cells. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.130570] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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35
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Mazi W, Adhikari R, Zhang Y, Xia S, Fang M, Luck RL, Tajiri M, Tiwari A, Tanasova M, Liu H. Fluorescent probes with high pKa values based on traditional, near-infrared rhodamine, and hemicyanine fluorophores for sensitive detection of lysosomal pH variations. Methods 2019; 168:40-50. [PMID: 31344405 PMCID: PMC6851477 DOI: 10.1016/j.ymeth.2019.07.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 07/11/2019] [Accepted: 07/12/2019] [Indexed: 01/15/2023] Open
Abstract
Sterically hindered fluorescent probes (A-C) have been developed by introducing 2-aminophenylboronic acid pinacol ester to a traditional, A, a near-infrared rhodamine dye, B, and a near-infrared hemicyanine dye, C, forming closed spirolactam ring structures. Probe A was non-fluorescent under basic pH conditions whereas probes B and C were moderately fluorescent with fluorescence quantum yields of 9% and 5% in pH 7.4 PBS buffer containing 1% ethanol, respectively. With all probes increasing acidity leads to significant increases in fluorescence at 580 nm, 644 and 744 nm for probes A, B and C with fluorescence quantum yields of 26%, 21% and 10% in pH 4.5 PBS buffer containing 1% ethanol, respectively. Probes A, B and C were calculated to have pKa values of 5.81, 5.45 and 6.97. The difference in fluorescence under basic conditions is ascribed to easier opening of the closed spirolactam ring configurations due to significant steric hindrance between the 2-aminophenylboronic acid pinacol ester residue and an adjacent H atom in the xanthene derivative moiety in probe B or C. The probes show fast, reversible, selective and sensitive fluorescence responses to pH changes, and are capable of sensing lysosomal pH variations in living cells.
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Affiliation(s)
- Wafa Mazi
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, United States
| | - Rashmi Adhikari
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, United States
| | - Yibin Zhang
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, United States
| | - Shuai Xia
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, United States
| | - Mingxi Fang
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, United States
| | - Rudy L Luck
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, United States.
| | - Momoko Tajiri
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, United States.
| | - Ashutosh Tiwari
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, United States.
| | - Marina Tanasova
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, United States.
| | - Haiying Liu
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, United States.
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36
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Xia S, Zhang Y, Fang M, Mikesell L, Steenwinkel TE, Wan S, Phillips T, Luck RL, Werner T, Liu H. A FRET-Based Near-Infrared Fluorescent Probe for Ratiometric Detection of Cysteine in Mitochondria. Chembiochem 2019; 20:1986-1994. [PMID: 31197917 PMCID: PMC6676905 DOI: 10.1002/cbic.201900071] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 04/05/2019] [Indexed: 12/27/2022]
Abstract
We report a near-infrared fluorescent probe A for the ratiometric detection of cysteine based on FRET from a coumarin donor to a near-infrared rhodamine acceptor. Upon addition of cysteine, the coumarin fluorescence increased dramatically up to 18-fold and the fluorescence of the rhodamine acceptor decreased moderately by 45 % under excitation of the coumarin unit. Probe A has been used to detect cysteine concentration changes in live cells ratiometrically and to visualize fluctuations in cysteine concentrations induced by oxidation stress through treatment with hydrogen peroxide or lipopolysaccharide (LPS). Finally, probe A was successfully applied for the in vivo imaging of Drosophila melanogaster larvae to measure cysteine concentration changes.
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Affiliation(s)
- Shuai Xia
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI, 49931, USA
| | - Yibin Zhang
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI, 49931, USA
| | - Mingxi Fang
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI, 49931, USA
| | - Logan Mikesell
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI, 49931, USA
| | - Tessa E Steenwinkel
- Department of Biological Science, Michigan Technological University, 1400 Townsend Drive, Houghton, MI, 49931, USA
| | - Shulin Wan
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI, 49931, USA
| | - Tyler Phillips
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI, 49931, USA
| | - Rudy L Luck
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI, 49931, USA
| | - Thomas Werner
- Department of Biological Science, Michigan Technological University, 1400 Townsend Drive, Houghton, MI, 49931, USA
| | - Haiying Liu
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI, 49931, USA
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Cao D, Liu Z, Verwilst P, Koo S, Jangjili P, Kim JS, Lin W. Coumarin-Based Small-Molecule Fluorescent Chemosensors. Chem Rev 2019; 119:10403-10519. [PMID: 31314507 DOI: 10.1021/acs.chemrev.9b00145] [Citation(s) in RCA: 645] [Impact Index Per Article: 129.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Coumarins are a very large family of compounds containing the unique 2H-chromen-2-one motif, as it is known according to IUPAC nomenclature. Coumarin derivatives are widely found in nature, especially in plants and are constituents of several essential oils. Up to now, thousands of coumarin derivatives have been isolated from nature or produced by chemists. More recently, the coumarin platform has been widely adopted in the design of small-molecule fluorescent chemosensors because of its excellent biocompatibility, strong and stable fluorescence emission, and good structural flexibility. This scaffold has found wide applications in the development of fluorescent chemosensors in the fields of molecular recognition, molecular imaging, bioorganic chemistry, analytical chemistry, materials chemistry, as well as in the biology and medical science communities. This review focuses on the important progress of coumarin-based small-molecule fluorescent chemosensors during the period of 2012-2018. This comprehensive and critical review may facilitate the development of more powerful fluorescent chemosensors for broad and exciting applications in the future.
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Affiliation(s)
- Duxia Cao
- Institute of Fluorescent Probes for Biological Imaging, School of Materials Science and Engineering, School of Chemistry and Chemical Engineering , University of Jinan , Jinan 250022 , China
| | - Zhiqiang Liu
- State Key Laboratory of Crystal Materials , Shandong University , Jinan 250100 , China
| | - Peter Verwilst
- Department of Chemistry , Korea University , Seoul 02841 , Korea
| | - Seyoung Koo
- Department of Chemistry , Korea University , Seoul 02841 , Korea
| | | | - Jong Seung Kim
- Department of Chemistry , Korea University , Seoul 02841 , Korea
| | - Weiying Lin
- Institute of Fluorescent Probes for Biological Imaging, School of Materials Science and Engineering, School of Chemistry and Chemical Engineering , University of Jinan , Jinan 250022 , China.,School of Chemistry and Chemical Engineering , Guangxi University , Nanning , Guangxi 530004 , P. R. China
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38
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A novel on-off-on fluorescent chemosensor for relay detection of Fe3+ and PPi in aqueous solution and living cells. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.05.015] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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39
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Cheng H, Fan GL, Fan JH, Zhao LP, Zheng RR, Yu XY, Li SY. Ratiometric theranostic nanoprobe for pH imaging-guided photodynamic therapy. NANOSCALE 2019; 11:9008-9014. [PMID: 31020984 DOI: 10.1039/c9nr00093c] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
An abnormal pH microenvironment results from the development of tumors, and also affects the therapeutic efficiency of anti-tumor drugs. In this work, a Förster resonance energy transfer (FRET)-based theranostic fluorescent nanoprobe was constructed for simultaneous ratiometric pH sensing and tumor-targeted photodynamic therapy. Based on the FRET process between rhodamine B and protoporphyrin IX (PpIX), the fabricated nanoprobe exhibited excellent pH responsiveness in both solutions and live cells with the ratiometric fluorescence changes. Moreover, this ratiometric pH fluorescent nanoprobe also possessed the capability for pH-responsive singlet oxygen (1O2) generation under light irradiation, guiding robust photodynamic therapy in a pH-dependent manner. Benefiting from the enhanced permeability and retention (EPR) effect, the nanoprobe could significantly inhibit tumor growth and metastasis via targeted photodynamic therapy in vivo. This work presents a novel paradigm for precise tumor theranostics by ratiometric pH fluorescence imaging-guided photodynamic therapy.
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Affiliation(s)
- Hong Cheng
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, P. R. China
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40
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Zhao C, Chen J, Cao D, Wang J, Ma W. Novel coumarin-based containing denrons selective fluorescent chemosesor for sequential recognition of Cu2+ and PPi. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.02.024] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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41
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Wang J, Xia S, Bi J, Zhang Y, Fang M, Luck RL, Zeng Y, Chen TH, Lee HM, Liu H. Near-infrared fluorescent probes based on TBET and FRET rhodamine acceptors with different p K a values for sensitive ratiometric visualization of pH changes in live cells. J Mater Chem B 2019; 7:198-209. [PMID: 31367383 PMCID: PMC6668629 DOI: 10.1039/c8tb01524d] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Three near-infrared ratiometric fluorescent probes (A-C) based on TBET and FRET near-infrared rhodamine acceptors with different pK a values were designed and synthesized to achieve sensitive ratiometric visualization of pH variations in lysosomes in visible and near-infrared channels. Tetraphenylethene (TPE) was bonded to near-infrared rhodamine dyes through short electrical π -conjugation linkers to prevent an aggregation-caused quenching (ACQ) effect and allow highly efficient energy transfer of up to 98.9% from TPE donors to rhodamine acceptors. Probes A-C respond to pH variation from 7.4 to 3.0 in both buffer solutions and live cells with significant decreases of donor fluorescence and concomitant extraordinary increases of rhodamine acceptor fluorescence because of highly efficient energy transfer. In addition, probe C is capable of determining pH fluctuations in live cells treated with chloroquine. The probes show good photostability, excellent cell membrane permeability, high selectivity to pH, and two well-resolved emission peaks to ensure accurately comparative and quantitative analyses of intracellular pH changes.
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Affiliation(s)
- Jianbo Wang
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, China
| | - Shuai Xia
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA
| | - Jianheng Bi
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA
| | - Yibin Zhang
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA
| | - Mingxi Fang
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA
| | - Rudy L Luck
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA
| | - Yanbo Zeng
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, China
| | - Tzu-Ho Chen
- Institute of Chemistry, and Chemical Biology and Molecular Biophysics, Academia Sinica, Taipei, Taiwan 11529, Republic of China
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan, Republic of China
| | - Hsien-Ming Lee
- Institute of Chemistry, and Chemical Biology and Molecular Biophysics, Academia Sinica, Taipei, Taiwan 11529, Republic of China
| | - Haiying Liu
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA
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Li Z, Yu C, Chen Y, Zhuang Z, Tian B, Liu C, Jia P, Zhu H, Sheng W, Zhu B. A novel water-soluble fluorescent probe with ultra-sensitivity over a wider pH range and its application for differentiating cancer cells from normal cells. Analyst 2019; 144:6975-6980. [DOI: 10.1039/c9an01504c] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A water-soluble fluorescent probe with ultra-sensitivity over a wider pH range was developed to differentiate cancer cells from normal cells.
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43
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Liu F, Luo Y, Xu M. Viscosity measurements using a two-photon ratiometric fluorescent sensor with two rotors. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.11.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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44
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Zhang Y, Bi J, Xia S, Mazi W, Wan S, Mikesell L, Luck RL, Liu H. A Near-Infrared Fluorescent Probe Based on a FRET Rhodamine Donor Linked to a Cyanine Acceptor for Sensitive Detection of Intracellular pH Alternations. Molecules 2018; 23:E2679. [PMID: 30340334 PMCID: PMC6222743 DOI: 10.3390/molecules23102679] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 10/11/2018] [Accepted: 10/15/2018] [Indexed: 12/13/2022] Open
Abstract
A fluorescence resonance energy transfer (FRET)-based near-infrared fluorescent probe (B⁺) for double-checked sensitive detection of intracellular pH changes has been synthesized by binding a near-infrared rhodamine donor to a near-infrared cyanine acceptor through robust C-N bonds via a nucleophilic substitution reaction. To demonstrate the double-checked advantages of probe B⁺, a near-infrared probe (A) was also prepared by modification of a near-infrared rhodamine dye with ethylenediamine to produce a closed spirolactam residue. Under basic conditions, probe B⁺ shows only weak fluorescence from the cyanine acceptor while probe A displays nonfluorescence due to retention of the closed spirolactam form of the rhodamine moiety. Upon decrease in solution pH level, probe B⁺ exhibits a gradual fluorescence increase from rhodamine and cyanine constituents at 623 nm and 743 nm respectively, whereas probe A displays fluorescence increase at 623 nm on the rhodamine moiety as acidic conditions leads to the rupture of the probe spirolactam rings. Probes A and B⁺ have successfully been used to monitor intracellular pH alternations and possess pKa values of 5.15 and 7.80, respectively.
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Affiliation(s)
- Yibin Zhang
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA.
- School of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing 408100, China.
| | - Jianheng Bi
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA.
| | - Shuai Xia
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA.
| | - Wafa Mazi
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA.
| | - Shulin Wan
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA.
| | - Logan Mikesell
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA.
| | - Rudy L Luck
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA.
| | - Haiying Liu
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA.
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45
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Xu Z, Li S, Shen Y, Chen M, Shao X. Spiropyran-azobenzene-DBU system as solvent indicator. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.07.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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46
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Chen TH, Zhang S, Jaishi M, Adhikari R, Bi J, Fang M, Xia S, Zhang Y, Luck RL, Pati R, Lee HM, Luo FT, Tiwari A, Liu H. New Near-infrared Fluorescent Probes with Single-photon Anti-Stokes-shift Fluorescence for Sensitive Determination of pH Variances in Lysosomes with a Double-Checked Capability. ACS APPLIED BIO MATERIALS 2018; 1:549-560. [PMID: 30906925 PMCID: PMC6426143 DOI: 10.1021/acsabm.8b00020] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Two near-infrared luminescent probes with Stokes-shift and single-photon anti-Stokes-shift fluorescence properties for sensitive determination of pH variance in lysosomes have been synthesized. A morpholine residue in probe A which serves as a targeting group for lysosomes in viable cells was attached to the fluorophores via a spirolactam moiety while a mannose residue was ligated to probe B resulting in increased biocompatibility and solubility in water. Probes A and B contain closed spirolactam moieties, and show no Stokes-shift or anti-Stokes-shift fluorescence under neutral or alkali conditions. However, the probes incrementally react to pH variance from 7.22 to 2.76 with measurable increases in both Stokes-shift and anti-Stokes-shift fluorescence at 699 nm and 693 nm under 645 nm and 800 nm excitation, respectively. This acid-activated fluorescence is produced by the breaking of the probe spirolactam moiety, which greatly increased overall π-conjugation in the probes. These probes possess upconversion near-infrared fluorescence imaging advantages including minimum cellular photo-damage, tissue penetration, and minimum biological fluorescence background. They display excellent photostability with low dye photobleaching and show good biocompatibility. They are selective and capable of detecting pH variances in lysosomes at excitation with two different wavelengths, i.e., 645 and 800 nm.
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Affiliation(s)
- Tzu-Ho Chen
- Institute of Chemistry, Academia Sinica, Taipei, Taiwan 11529, Republic of China. and
- Department of Chemistry, National Taiwan University, No. 1 Roosevelt Road Section 4, Taipei 10617, Taiwan, Republic of China
| | - Shuwei Zhang
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA. ;
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China
| | - Meghnath Jaishi
- Department of Physics, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA.
| | - Rashmi Adhikari
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA. ;
| | - Jianheng Bi
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA. ;
| | - Mingxi Fang
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA. ;
| | - Shuai Xia
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA. ;
| | - Yibin Zhang
- Institute of Chemistry, Academia Sinica, Taipei, Taiwan 11529, Republic of China. and
| | - Rudy L Luck
- Institute of Chemistry, Academia Sinica, Taipei, Taiwan 11529, Republic of China. and
| | - Ranjit Pati
- Department of Physics, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA.
| | - Hsien-Ming Lee
- Institute of Chemistry, Academia Sinica, Taipei, Taiwan 11529, Republic of China. and
| | - Fen-Tair Luo
- Institute of Chemistry, Academia Sinica, Taipei, Taiwan 11529, Republic of China. and
| | - Ashutosh Tiwari
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA. ;
| | - Haiying Liu
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA. ;
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47
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Bertman KA, Abeywickrama CS, Baumann HJ, Alexander N, McDonald L, Shriver LP, Konopka M, Pang Y. A fluorescent flavonoid for lysosome detection in live cells under "wash free" conditions. J Mater Chem B 2018; 6:5050-5058. [PMID: 32254534 DOI: 10.1039/c8tb00325d] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Lysosomes are vital organelles in living cells, which have acidic environments (pH 4.0-5.0) where macrobiomolecules and malfunctioning organelles are broken down into monomers by hydrolase activity. The majority of the currently reported fluorescent probes for detecting lysosomes suffer from small Stokes shifts (Δλ < 20 nm) and higher cytotoxicity due to an "alkalinizing effect". An interesting flavonoid-based lysosome probe is synthesized by introducing a morpholine moiety onto the flavonoid skeleton. This new probe has shown excellent selectivity to detect lysosomes in MO3.13 oligodendrocytes and normal human lung fibroblast cell lines. Probes 1a and 1b have shown excellent fluorescence quantum yield (φfl up to 0.43 in non-aqueous solvents) and large Stokes shifts (120-150 nm). These new fluorescent probes also exhibit a large quantum yield difference from an aqueous to organic environment, making them potentially useful as "wash-free" stains for visualizing lysosomes. Cell viability evaluation of these probes shows excellent biocompatibility with the median lethal concentration being LC50 ≈ 50 μM.
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48
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Zhang Y, Xia S, Fang M, Mazi W, Zeng Y, Johnston T, Pap A, Luck R, Liu H. New near-infrared rhodamine dyes with large Stokes shifts for sensitive sensing of intracellular pH changes and fluctuations. Chem Commun (Camb) 2018; 54:7625-7628. [PMID: 29927444 PMCID: PMC6058674 DOI: 10.1039/c8cc03520b] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
New near-infrared rhodamine dyes with large Stokes shifts were developed and applied for sensitive detection of cellular pH changes and fluctuations by incorporating an additional amine group with fused rings into the rhodamine dyes to enhance the electron donating ability of amine groups and improve the spectroscopic properties of the dyes.
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Affiliation(s)
- Yibin Zhang
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA. ;
- School of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing 408100, China
| | - Shuai Xia
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA. ;
| | - Mingxi Fang
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA. ;
| | - Wafa Mazi
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA. ;
| | - Yanbo Zeng
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA. ;
| | - Taylor Johnston
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA. ;
| | - Adam Pap
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA. ;
| | - Rudy Luck
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA. ;
| | - Haiying Liu
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA. ;
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49
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Wang J, Xia S, Bi J, Fang M, Mazi W, Zhang Y, Conner N, Luo FT, Lu HP, Liu H. Ratiometric Near-Infrared Fluorescent Probes Based On Through-Bond Energy Transfer and π-Conjugation Modulation between Tetraphenylethene and Hemicyanine Moieties for Sensitive Detection of pH Changes in Live Cells. Bioconjug Chem 2018; 29:1406-1418. [PMID: 29493223 PMCID: PMC5906192 DOI: 10.1021/acs.bioconjchem.8b00111] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In this paper, we present three ratiometric near-infrared fluorescent probes (A-C) for accurate, ratiometric detection of intracellular pH changes in live cells. Probe A consists of a tetraphenylethene (TPE) donor and near-infrared hemicyanine acceptor in a through-bond energy transfer (TBET) strategy, while probes B and C are composed of TPE and hemicyanine moieties through single and double sp2 carbon-carbon bond connections in a π-conjugation modulation strategy. The specific targeting of the probes to lysosomes in live cells was achieved by introducing morpholine residues to the hemicyanine moieties to form closed spirolactam ring structures. Probe A shows aggregation-induced emission (AIE) property at neutral or basic pH, while probes B and C lack AIE properties. At basic or neutral pH, the probes only show fluorescence of TPE moieties with closed spirolactam forms of hemicyanine moieties, and effectively avoid blind fluorescence imaging spots, an issue which typical intensity-based pH fluorescent probes encounter. Three probes show ratiometric fluorescence responses to pH changes from 7.0 to 3.0 with TPE fluorescence decreases and hemicyanine fluorescence increases, because acidic pH makes the spirolactam rings open to enhance π-conjugation of hemicyanine moieties. However, probe A shows much more sensitive ratiometric fluorescence responses to pH changes from 7.0 to 3.0 with remarkable ratio increase of TPE fluorescence to hemicyanine fluorescence up to 238-fold than probes B and C because of its high efficiency of energy transfer from TPE donor to the hemicyanine acceptor in the TBET strategy. The probe offers dual Stokes shifts with a large pseudo-Stokes shift of 361 nm and well-defined dual emissions, and allows for colocalization of the imaging readouts of visible and near-infrared fluorescence channels to achieve more precisely double-checked ratiometric fluorescence imaging. These platforms could be employed to develop a variety of novel ratiometric fluorescent probes for accurate detection of different analytes in applications of chemical and biological sensing, imaging, and diagnostics by introducing appropriate sensing ligands to hemicyanine moieties to form on-off spirolactam switches.
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Affiliation(s)
- Jianbo Wang
- Department of Chemistry, Michigan Technological University, Houghton, Michigan 49931, United States
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, China
| | - Shuai Xia
- Department of Chemistry, Michigan Technological University, Houghton, Michigan 49931, United States
| | - Jianheng Bi
- Department of Chemistry, Michigan Technological University, Houghton, Michigan 49931, United States
| | - Mingxi Fang
- Department of Chemistry, Michigan Technological University, Houghton, Michigan 49931, United States
| | - Wafa Mazi
- Department of Chemistry, Michigan Technological University, Houghton, Michigan 49931, United States
| | - Yibin Zhang
- Department of Chemistry, Michigan Technological University, Houghton, Michigan 49931, United States
| | - Nathan Conner
- Department of Chemistry, Michigan Technological University, Houghton, Michigan 49931, United States
| | - Fen-Tair Luo
- Institute of Chemistry, Academia Sinica, Taipei, Taiwan 11529, Republic of China
| | - H. Peter Lu
- Center for Photochemical Sciences, Department of Chemistry, Bowling Green State University, Bowling Green, Ohio 43403, United States
| | - Haiying Liu
- Department of Chemistry, Michigan Technological University, Houghton, Michigan 49931, United States
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50
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Flores-Cruz R, Jiménez-Sánchez A. Tracking mitochondrial 1O2-ROS production through a differential mitochondria-nucleoli fluorescent probe. Chem Commun (Camb) 2018; 54:13997-14000. [DOI: 10.1039/c8cc08289h] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A dual-emissive fluorescent probe enabled unique tracking of 1O2-ROS species through a differential mitochondrial–nucleoli localization dynamic.
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Affiliation(s)
- Ricardo Flores-Cruz
- Instituto de Química – Universidad Nacional Autónoma de México
- Ciudad Universitaria
- De. Coyoacán 04510
- Mexico
| | - Arturo Jiménez-Sánchez
- Instituto de Química – Universidad Nacional Autónoma de México
- Ciudad Universitaria
- De. Coyoacán 04510
- Mexico
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