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Biswas S, Baruah M, Shil A, Sarkar S, Ali M, Samanta A, Bhuniya S. Polarity-Driven Two-Photon Fluorescent Probe for Monitoring the Perturbation in Lipid Droplet Levels during Mitochondrial Dysfunction and Acute Pancreatitis. ACS Sens 2023; 8:3793-3803. [PMID: 37815484 DOI: 10.1021/acssensors.3c01245] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
Lipid droplets (LDs) act as an energy reservoir in cancer cells; on the other hand, mitochondria are hyperactive to fulfill the energy demand to accelerate cell proliferation. We are interested in unfolding the relationship between the cellular energy reservoir and energy producer through fluorescence labeling. Thus, a dual organelle-targeted fluorescent probe MLD-1 has been rationally developed. It visualized the crosstalk between mitochondrial dysfunction and the fluctuation of LDs in live cells. Its two-photon ability allowed us to acquire deep tissue images. For the first time, we have shown that the probe has the ability to track the accumulation of LDs in different mouse organs during pancreatic inflammation. MLD-1, being a selectively polarity-driven, chemo- and photostable LD probe, may offer great possibilities for studying LD-associated biology in due course.
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Affiliation(s)
- Shayeri Biswas
- Centre for Interdisciplinary Sciences, JIS Institute of Advanced Studies and Research, JIS University, Arch Waterfront, GP Block, Sector V, Bidhannagar, Kolkata 700091, India
| | - Mousumi Baruah
- Molecular Sensors and Therapeutics Research Laboratory, Department of Chemistry, Shiv Nadar Institution of Eminence, Delhi NCR, NH 91, Tehsil Dadri, Gautam Buddha Nagar, Uttar Pradesh 201314, India
| | - Anushree Shil
- Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang, Gyungbuk 37673, Republic of Korea
| | - Sourav Sarkar
- Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang, Gyungbuk 37673, Republic of Korea
| | - Mudassar Ali
- Molecular Sensors and Therapeutics Research Laboratory, Department of Chemistry, Shiv Nadar Institution of Eminence, Delhi NCR, NH 91, Tehsil Dadri, Gautam Buddha Nagar, Uttar Pradesh 201314, India
| | - Animesh Samanta
- Molecular Sensors and Therapeutics Research Laboratory, Department of Chemistry, Shiv Nadar Institution of Eminence, Delhi NCR, NH 91, Tehsil Dadri, Gautam Buddha Nagar, Uttar Pradesh 201314, India
| | - Sankarprasad Bhuniya
- Centre for Interdisciplinary Sciences, JIS Institute of Advanced Studies and Research, JIS University, Arch Waterfront, GP Block, Sector V, Bidhannagar, Kolkata 700091, India
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2
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Kamariza M, Keyser SGL, Utz A, Knapp BD, Ealand C, Ahn G, Cambier CJ, Chen T, Kana B, Huang KC, Bertozzi CR. Toward Point-of-Care Detection of Mycobacterium tuberculosis: A Brighter Solvatochromic Probe Detects Mycobacteria within Minutes. JACS AU 2021; 1:1368-1379. [PMID: 34604847 PMCID: PMC8479770 DOI: 10.1021/jacsau.1c00173] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Indexed: 05/17/2023]
Abstract
There is an urgent need for point-of-care tuberculosis (TB) diagnostic methods that are fast, inexpensive, and operationally simple. Here, we report on a bright solvatochromic dye trehalose conjugate that specifically detects Mycobacterium tuberculosis (Mtb) in minutes. 3-Hydroxychromone (3HC) dyes, known for having high fluorescence quantum yields, exhibit shifts in fluorescence intensity in response to changes in environmental polarity. We synthesized two analogs of 3HC-trehalose conjugates (3HC-2-Tre and 3HC-3-Tre) and determined that 3HC-3-Tre has exceptionally favorable properties for Mtb detection. 3HC-3-Tre-labeled mycobacterial cells displayed a 10-fold increase in fluorescence intensity compared to our previous reports on the dye 4,4-N,N-dimethylaminonapthalimide (DMN-Tre). Excitingly, we detected fluorescent Mtb cells within 10 min of probe treatment. Thus, 3HC-3-Tre permits rapid visualization of mycobacteria that ultimately could empower improved Mtb detection at the point-of-care in low-resource settings.
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Affiliation(s)
- Mireille Kamariza
- Department
of Biology, Stanford University, Stanford, California 94305, United States
| | - Samantha G. L. Keyser
- Department
of Chemistry, University of California,
Berkeley, Berkeley, California 94720, United States
| | - Ashley Utz
- Department
of Biology, Stanford University, Stanford, California 94305, United States
| | - Benjamin D. Knapp
- Biophysics
Program, Stanford University, Stanford, California 94305, United States
| | - Christopher Ealand
- Department
of Science and Technology/National Research Foundation Centre of Excellence
for Biomedical Tuberculosis Research, Faculty of Health Sciences, University of Witwatersrand, National Health Laboratory Service, Johannesburg 2000, South Africa
| | - Green Ahn
- Department
of Chemistry, Stanford University, Stanford, California 94305, United States
| | - C. J. Cambier
- Department
of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Teresia Chen
- Department
of Biology, Stanford University, Stanford, California 94305, United States
| | - Bavesh Kana
- Department
of Science and Technology/National Research Foundation Centre of Excellence
for Biomedical Tuberculosis Research, Faculty of Health Sciences, University of Witwatersrand, National Health Laboratory Service, Johannesburg 2000, South Africa
- Medical
Research Council−Centre for the AIDS Programme of Research
in South Africa (CAPRISA) HIV-TB Pathogenesis and Treatment Research
Unit, Durban 4013, South Africa
| | - Kerwyn Casey Huang
- Biophysics
Program, Stanford University, Stanford, California 94305, United States
- Department
of Bioengineering, Stanford University, Stanford, California 94305, United States
- Department
of Microbiology and Immunology, Stanford
University School of Medicine, Stanford, California 94305, United States
- Chan
Zuckerberg Biohub, San Francisco, California 94158, United States
| | - Carolyn R. Bertozzi
- Department
of Chemistry, University of California,
Berkeley, Berkeley, California 94720, United States
- Department
of Chemistry, Stanford University, Stanford, California 94305, United States
- Howard
Hughes Medical Institute, Stanford University, Stanford, California 94305, United States
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Muthike AK, Carlotti B, Madu IK, Jiang H, Kim H, Wu Q, Yu L, Zimmerman PM, Goodson T. The Role of the Core Attachment Positioning in Triggering Intramolecular Singlet Exciton Fission in Perylene Diimide Tetramers. J Phys Chem B 2021; 125:5114-5131. [PMID: 33961426 DOI: 10.1021/acs.jpcb.1c02534] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Previous studies have proposed that the presence of a flexible π-bridge linker is crucial in activating intramolecular singlet exciton fission (iSEF) in multichromophoric systems. In this study, we report the photophysical properties of three analogous perylene diimide (PDI) dendritic tetramers showing flexible/twisted π-bridged structures with α- and β-substitutions and a rigid/planar structure with a β-fused ring (βC) connection to a benzodithiophene-thiophene (BDT-Th) core. The rigidity and enhanced planarity of βC lead to significant intramolecular charge transfer and triplet formation via an intersystem crossing pathway. Steady-state spectroscopic measurements reveal similar absorption and emission spectra for the α-tetramer and the parent PDI monomer. However, their fluorescence quantum yield is significantly different. The negligible fluorescence yield of the α-tetramer (0.04%) is associated with a competitive nonradiative decay pathway. Indeed, for this twisted compound in a high polar environment, a fast and efficient iSEF with a triplet quantum yield of 124% is observed. Our results show that the α-single-bond connections in the α compound are capable of interrupting the coupling among the PDI units, favoring iSEF. We propose that the formation of the double triplet (1[TT]) state is through a superposition of singlet states known as [S1S0][TT]CT, which has been suggested previously for pentacene derivatives. Using steady-state and time-resolved spectroscopic experiments, we demonstrate that the conformational flexibility of the linker itself is necessary but not sufficient to allow iSEF. For the case of the other twisted tetramer, β, the strong π-π co-facial interactions between the adjacent PDI units in its structure lead to excimer formation. These excimer states trap the singlet excitons preventing the formation of the 1[TT] state, thus inhibiting iSEF.
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Affiliation(s)
- Angelar K Muthike
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Benedetta Carlotti
- Department of Chemistry Biology and Biotechnology, University of Perugia, via Elce di Sotto n.8, 06123 Perugia, Italy
| | - Ifeanyi K Madu
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Hanjie Jiang
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Hyungjun Kim
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States.,Department of Chemistry, Incheon National University, Incheon 22012, Republic of Korea
| | - Qinghe Wu
- Department of Chemistry and The James Franck Institute, The University of Chicago, Chicago, Illinois 60637, United States
| | - Luping Yu
- Department of Chemistry and The James Franck Institute, The University of Chicago, Chicago, Illinois 60637, United States
| | - Paul M Zimmerman
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Theodore Goodson
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
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4
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Abeywickrama CS, Wijesinghe KJ, Plescia CB, Fisher LS, Goodson T, Stahelin RV, Pang Y. A pyrene-based two-photon excitable fluorescent probe to visualize nuclei in live cells. Photochem Photobiol Sci 2020; 19:1152-1159. [PMID: 32639494 DOI: 10.1039/d0pp00107d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The two-photon absorption properties of a pyrene-pyridinium dye (1) were studied for potential application in two-photon spectroscopy. When probe 1 was used in cellular two-photon fluorescence microscopy imaging, it allowed the visualization of nuclei in live cells with a relatively low probe concentration (such as 1 μM). Spectroscopic evidence further revealed that probe 1 interacted with DNA as an intercalator. The proposed DNA intercalation properties of probe 1 were consistent with the experimental findings that suggested that the observed nucleus staining ability is dependent on the substituents on the pyridinium fragment of the probe.
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Affiliation(s)
| | - Kaveesha J Wijesinghe
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana, USA
| | - Caroline B Plescia
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, 47907, West Lafayette, Indiana, USA
| | - Lloyd S Fisher
- Department of Chemistry, University of Michigan, 48109, Ann Arbor, MI, USA
| | - Theodore Goodson
- Department of Chemistry, University of Michigan, 48109, Ann Arbor, MI, USA
| | - Robert V Stahelin
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, 47907, West Lafayette, Indiana, USA
| | - Yi Pang
- Department of Chemistry, University of Akron, 44325, Akron, Ohio, USA. .,Maurice Morton Institute of Polymer Science, University of Akron, 44325, Akron, Ohio, USA.
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5
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Hou Y, Chen SL, Gan W, Ma X, Yuan Q. Understanding the Dynamic Behavior of an Anticancer Drug, Doxorubicin, on a Lipid Membrane Using Multiple Spectroscopic Techniques. J Phys Chem B 2019; 123:3756-3762. [PMID: 30983340 DOI: 10.1021/acs.jpcb.9b01941] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The interaction, including the adsorption and embedding, of a widely applied anticancer drug, doxorubicin, with a lipid membrane was investigated. Second harmonic generation and two photon fluorescence were used as a powerful combination capable in revealing this dynamic process at the interface. The adsorption, association, deassociation and embedding of doxorubicin on the lipid membrane were clearly identified based on the consistency in the dynamic parameters revealed by the time dependent second harmonic generation and two-photon fluorescence measurements. This work also presents a new approach for in situ measurement of the adsorption density of doxorubicin on lipid membrane, benefiting from the two-photon fluorescence signal of doxorubicin being significantly altered by its chemical environment. The analysis of the location and molecular density based on the fluorescent efficiency of the chromophores makes the fluorescence measurement a "surface sensitive" technique as well. The analytical procedures used in this work are expected to aid in understanding the interaction between fluorescent molecules and lipid membranes in general.
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Affiliation(s)
- Yi Hou
- State Key Laboratory of Advanced Welding and Joining, and School of Science , Harbin Institute of Technology (Shenzhen) , University Town, Shenzhen 518055 , Guangdong China
| | - Shun-Li Chen
- State Key Laboratory of Advanced Welding and Joining, and School of Science , Harbin Institute of Technology (Shenzhen) , University Town, Shenzhen 518055 , Guangdong China
| | - Wei Gan
- State Key Laboratory of Advanced Welding and Joining, and School of Science , Harbin Institute of Technology (Shenzhen) , University Town, Shenzhen 518055 , Guangdong China
| | - Xing Ma
- State Key Laboratory of Advanced Welding and Joining, and School of Materials Science and Engineering , Harbin Institute of Technology (Shenzhen) , University Town, Shenzhen 518055 , Guangdong China
| | - Qunhui Yuan
- State Key Laboratory of Advanced Welding and Joining, and School of Materials Science and Engineering , Harbin Institute of Technology (Shenzhen) , University Town, Shenzhen 518055 , Guangdong China
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Two Photon Spectroscopy Can Serve as a Marker of Protein Denaturation Pathway. J Fluoresc 2018; 28:855-862. [PMID: 29938390 DOI: 10.1007/s10895-018-2250-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Accepted: 06/07/2018] [Indexed: 01/08/2023]
Abstract
Rhodamine group of molecules are widely used dyes for imaging of biological molecules. Application of these dyes however includes a limitation that these molecules absorb in the visible range of the spectrum, which does not fall in the 'biologically transparent window' (BTW). Two photon absorption (TPA) process could come up with an alternate solution to this as these dyes could be excited in the near infrared (NIR) window to extract similar information. To validate this we have investigated TPA cross section (TPACS, σ2) of two rhodamine dyes, namely Rhodamine 6G (R6G), Rhodamine B (RhB), site selectively bound with a model protein, bovine serum albumin (BSA), by exciting at 800 nm. Two photon spectroscopy and imaging confirms the binding of the dye to the protein. The decreases in TPACS with increasing temperature at a fixed BSA concentration excellently follows the temperature induced structural transition of BSA as the protein transforms from a molten globule to unfolded conformation beyond 60 °C, which has previously been established through circular dichroism (CD) measurements. The thus established resemblance in TPACS and CD measurement trends thus strongly affirms the suitability of TPA process in protein imaging and as an alternative marker to tracking its conformational transformations using NIR radiation.
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7
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Doan PH, Pitter DRG, Kocher A, Wilson JN, Goodson T. Two-Photon Spectroscopy as a New Sensitive Method for Determining the DNA Binding Mode of Fluorescent Nuclear Dyes. J Am Chem Soc 2015; 137:9198-201. [DOI: 10.1021/jacs.5b02674] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Phi H. Doan
- Department
of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Demar R. G. Pitter
- Department
of Chemistry, University of Miami, Coral Gables, Florida 33146, United States
| | - Andrea Kocher
- Department
of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - James N. Wilson
- Department
of Chemistry, University of Miami, Coral Gables, Florida 33146, United States
| | - Theodore Goodson
- Department
of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
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8
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Beld J, Cang H, Burkart MD. Visualizing the chain-flipping mechanism in fatty-acid biosynthesis. Angew Chem Int Ed Engl 2014; 53:14456-61. [PMID: 25354391 PMCID: PMC4425425 DOI: 10.1002/anie.201408576] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Indexed: 11/08/2022]
Abstract
The acyl carrier protein (ACP) from fatty acid synthases sequesters elongating products within its hydrophobic core, but this dynamic mechanism remains poorly understood. We exploited solvatochromic pantetheine probes attached to ACP that fluoresce when sequestered. The addition of a catalytic partner lures the cargo out of the ACP and into the active site of the enzyme, thus enhancing fluorescence to reveal the elusive chain-flipping mechanism. This activity was confirmed by the use of a dual solvatochromic cross-linking probe and solution-phase NMR spectroscopy. The chain-flipping mechanism was visualized by single-molecule fluorescence techniques, thus demonstrating specificity between the Escherichia coli ACP and its ketoacyl synthase catalytic partner KASII.
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Affiliation(s)
- Joris Beld
- Department of Chemistry and Biochemistry, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0358, USA
| | - Hu Cang
- Waitt Advanced Biophotonics Center, The Salk Institute for Biological Studies, La Jolla, California, USA
| | - Michael D. Burkart
- Department of Chemistry and Biochemistry, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0358, USA
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9
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Beld J, Cang H, Burkart MD. Visualizing the Chain-Flipping Mechanism in Fatty-Acid Biosynthesis. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201408576] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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10
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Gu P, Xu X, Zhou F, Zhao T, Ye G, Liu G, Xu Q, Ge J, Xu Q, Lu J. Study of Linear and Nonlinear Optical Properties of Four Derivatives of Substituted Aryl Hydrazones of 1,8-Naphthalimide. CHINESE J CHEM 2014. [DOI: 10.1002/cjoc.201300842] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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