1
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Erazo-Oliveras A, Muñoz-Vega M, Salinas ML, Wang X, Chapkin RS. Dysregulation of cellular membrane homeostasis as a crucial modulator of cancer risk. FEBS J 2024; 291:1299-1352. [PMID: 36282100 PMCID: PMC10126207 DOI: 10.1111/febs.16665] [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: 06/18/2022] [Revised: 09/09/2022] [Accepted: 10/24/2022] [Indexed: 11/07/2022]
Abstract
Cellular membranes serve as an epicentre combining extracellular and cytosolic components with membranous effectors, which together support numerous fundamental cellular signalling pathways that mediate biological responses. To execute their functions, membrane proteins, lipids and carbohydrates arrange, in a highly coordinated manner, into well-defined assemblies displaying diverse biological and biophysical characteristics that modulate several signalling events. The loss of membrane homeostasis can trigger oncogenic signalling. More recently, it has been documented that select membrane active dietaries (MADs) can reshape biological membranes and subsequently decrease cancer risk. In this review, we emphasize the significance of membrane domain structure, organization and their signalling functionalities as well as how loss of membrane homeostasis can steer aberrant signalling. Moreover, we describe in detail the complexities associated with the examination of these membrane domains and their association with cancer. Finally, we summarize the current literature on MADs and their effects on cellular membranes, including various mechanisms of dietary chemoprevention/interception and the functional links between nutritional bioactives, membrane homeostasis and cancer biology.
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Affiliation(s)
- Alfredo Erazo-Oliveras
- Program in Integrative Nutrition and Complex Diseases; Texas A&M University; College Station, Texas, 77843; USA
- Department of Nutrition; Texas A&M University; College Station, Texas, 77843; USA
| | - Mónica Muñoz-Vega
- Program in Integrative Nutrition and Complex Diseases; Texas A&M University; College Station, Texas, 77843; USA
- Department of Nutrition; Texas A&M University; College Station, Texas, 77843; USA
| | - Michael L. Salinas
- Program in Integrative Nutrition and Complex Diseases; Texas A&M University; College Station, Texas, 77843; USA
- Department of Nutrition; Texas A&M University; College Station, Texas, 77843; USA
| | - Xiaoli Wang
- Program in Integrative Nutrition and Complex Diseases; Texas A&M University; College Station, Texas, 77843; USA
- Department of Nutrition; Texas A&M University; College Station, Texas, 77843; USA
| | - Robert S. Chapkin
- Program in Integrative Nutrition and Complex Diseases; Texas A&M University; College Station, Texas, 77843; USA
- Department of Nutrition; Texas A&M University; College Station, Texas, 77843; USA
- Center for Environmental Health Research; Texas A&M University; College Station, Texas, 77843; USA
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2
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Sakai N, Assies L, Matile S. G‐Quartets, 4‐Way Junctions and Triple Helices but Not DNA Duplexes: Planarization of Twisted Push‐Pull Flipper Probes by Surface Recognition Rather Than Physical Compression. Helv Chim Acta 2022. [DOI: 10.1002/hlca.202200052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Naomi Sakai
- University of Geneva: Universite de Geneve Department of Organic Chemistry SWITZERLAND
| | - Lea Assies
- University of Geneva: Universite de Geneve Department of Organic Chemistry SWITZERLAND
| | - Stefan Matile
- University of Geneva Department of Organic Chemistry Quai Ernest-Ansermet 30 CH-1211 Geneva SWITZERLAND
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3
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López‐Andarias J, Eblighatian K, Pasquer QTL, Assies L, Sakai N, Hoogendoorn S, Matile S. Photocleavable Fluorescent Membrane Tension Probes: Fast Release with Spatiotemporal Control in Inner Leaflets of Plasma Membrane, Nuclear Envelope, and Secretory Pathway. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202113163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Javier López‐Andarias
- Department of Organic Chemistry National Centre of Competence in Research (NCCR) Chemical Biology University of Geneva Geneva Switzerland
| | - Krikor Eblighatian
- Department of Organic Chemistry National Centre of Competence in Research (NCCR) Chemical Biology University of Geneva Geneva Switzerland
| | - Quentin T. L. Pasquer
- Department of Organic Chemistry National Centre of Competence in Research (NCCR) Chemical Biology University of Geneva Geneva Switzerland
| | - Lea Assies
- Department of Organic Chemistry National Centre of Competence in Research (NCCR) Chemical Biology University of Geneva Geneva Switzerland
| | - Naomi Sakai
- Department of Organic Chemistry National Centre of Competence in Research (NCCR) Chemical Biology University of Geneva Geneva Switzerland
| | - Sascha Hoogendoorn
- Department of Organic Chemistry National Centre of Competence in Research (NCCR) Chemical Biology University of Geneva Geneva Switzerland
| | - Stefan Matile
- Department of Organic Chemistry National Centre of Competence in Research (NCCR) Chemical Biology University of Geneva Geneva Switzerland
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4
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Assies L, García-Calvo J, Piazzolla F, Sanchez S, Kato T, Reymond L, Goujon A, Colom A, López-Andarias J, Straková K, Mahecic D, Mercier V, Riggi M, Jiménez-Rojo N, Roffay C, Licari G, Tsemperouli M, Neuhaus F, Fürstenberg A, Vauthey E, Hoogendoorn S, Gonzalez-Gaitan M, Zumbuehl A, Sugihara K, Gruenberg J, Riezman H, Loewith R, Manley S, Roux A, Winssinger N, Sakai N, Pitsch S, Matile S. Flipper Probes for the Community. Chimia (Aarau) 2021; 75:1004-1011. [PMID: 34920768 DOI: 10.2533/chimia.2021.1004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
This article describes four fluorescent membrane tension probes that have been designed, synthesized, evaluated, commercialized and applied to current biology challenges in the context of the NCCR Chemical Biology. Their names are Flipper-TR®, ER Flipper-TR®, Lyso Flipper-TR®, and Mito Flipper-TR®. They are available from Spirochrome.
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Affiliation(s)
- Lea Assies
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Organic Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, CH-1211 CH-Geneva, Switzerland
| | - José García-Calvo
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Organic Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, CH-1211 CH-Geneva, Switzerland
| | - Francesca Piazzolla
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Organic Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, CH-1211 CH-Geneva, Switzerland
| | - Samantha Sanchez
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Organic Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, CH-1211 CH-Geneva, Switzerland
| | - Takehiro Kato
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Organic Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, CH-1211 CH-Geneva, Switzerland
| | - Luc Reymond
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Spirochrome AG, Chalberwiesenstrasse 4, CH-8260 Stein am Rhein, Switzerland
| | - Antoine Goujon
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Organic Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, CH-1211 CH-Geneva, Switzerland
| | - Adai Colom
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Biochemistry, University of Geneva
| | - Javier López-Andarias
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Organic Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, CH-1211 CH-Geneva, Switzerland
| | - Karolína Straková
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Organic Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, CH-1211 CH-Geneva, Switzerland
| | - Dora Mahecic
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; École Polytechnique Fédérale de Lausanne - EPFL, SB Cubotron 427, CH-1015 Lausanne, Switzerland
| | - Vincent Mercier
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Biochemistry, University of Geneva
| | - Margot Riggi
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Biochemistry, University of Geneva; Department of Molecular Biology, University of Geneva
| | - Noemi Jiménez-Rojo
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Biochemistry, University of Geneva
| | - Chloé Roffay
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Biochemistry, University of Geneva
| | | | - Maria Tsemperouli
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Chemistry, University of Fribourg, 9 Chemin du Musée, CH-1700 Fribourg, Switzerland
| | - Frederik Neuhaus
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Chemistry, University of Fribourg, 9 Chemin du Musée, CH-1700 Fribourg, Switzerland
| | - Alexandre Fürstenberg
- Department of Physical Chemistry, University of Geneva; Department of Inorganic and Analytical Chemistry, University of Geneva
| | - Eric Vauthey
- Department of Physical Chemistry, University of Geneva
| | - Sascha Hoogendoorn
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Organic Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, CH-1211 CH-Geneva, Switzerland
| | - Marcos Gonzalez-Gaitan
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Biochemistry, University of Geneva
| | - Andreas Zumbuehl
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Chemistry, University of Fribourg, 9 Chemin du Musée, CH-1700 Fribourg, Switzerland
| | - Kaori Sugihara
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Physical Chemistry, University of Geneva
| | - Jean Gruenberg
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Biochemistry, University of Geneva
| | - Howard Riezman
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Biochemistry, University of Geneva
| | - Robbie Loewith
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Molecular Biology, University of Geneva
| | - Suliana Manley
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; École Polytechnique Fédérale de Lausanne - EPFL, SB Cubotron 427, CH-1015 Lausanne, Switzerland
| | - Aurelien Roux
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Biochemistry, University of Geneva
| | - Nicolas Winssinger
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Organic Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, CH-1211 CH-Geneva, Switzerland
| | - Naomi Sakai
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Organic Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, CH-1211 CH-Geneva, Switzerland
| | - Stefan Pitsch
- Spirochrome AG, Chalberwiesenstrasse 4, CH-8260 Stein am Rhein, Switzerland
| | - Stefan Matile
- National Centre of Competence in Research (NCCR) Chemical Biology, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland; Department of Organic Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, CH-1211 CH-Geneva, Switzerland;,
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5
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López-Andarias J, Eblighatian K, Pasquer QTL, Assies L, Sakai N, Hoogendoorn S, Matile S. Photocleavable Fluorescent Membrane Tension Probes: Fast Release with Spatiotemporal Control in Inner Leaflets of Plasma Membrane, Nuclear Envelope, and Secretory Pathway. Angew Chem Int Ed Engl 2021; 61:e202113163. [PMID: 34734671 PMCID: PMC9299180 DOI: 10.1002/anie.202113163] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 10/25/2021] [Indexed: 12/25/2022]
Abstract
Mechanosensitive flipper probes are attracting interest as fluorescent reporters of membrane order and tension in biological systems. We introduce PhotoFlippers, which contain a photocleavable linker and an ultralong tether between mechanophore and various targeting motifs. Upon irradiation, the original probe is released and labels the most ordered membrane that is accessible by intermembrane transfer. Spatiotemporal control from photocleavable flippers is essential to access open, dynamic or elusive membrane motifs without chemical or physical interference. For instance, fast release with light is shown to place the original small‐molecule probes into the innermost leaflet of the nuclear envelope to image changes in membrane tension, at specific points in time of membrane trafficking along the secretory pathway, or in the inner leaflet of the plasma membrane to explore membrane asymmetry. These results identify PhotoFlippers as useful chemistry tools to enable research in biology.
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Affiliation(s)
- Javier López-Andarias
- Department of Organic Chemistry, National Centre of Competence in Research (NCCR) Chemical Biology, University of Geneva, Geneva, Switzerland
| | - Krikor Eblighatian
- Department of Organic Chemistry, National Centre of Competence in Research (NCCR) Chemical Biology, University of Geneva, Geneva, Switzerland
| | - Quentin T L Pasquer
- Department of Organic Chemistry, National Centre of Competence in Research (NCCR) Chemical Biology, University of Geneva, Geneva, Switzerland
| | - Lea Assies
- Department of Organic Chemistry, National Centre of Competence in Research (NCCR) Chemical Biology, University of Geneva, Geneva, Switzerland
| | - Naomi Sakai
- Department of Organic Chemistry, National Centre of Competence in Research (NCCR) Chemical Biology, University of Geneva, Geneva, Switzerland
| | - Sascha Hoogendoorn
- Department of Organic Chemistry, National Centre of Competence in Research (NCCR) Chemical Biology, University of Geneva, Geneva, Switzerland
| | - Stefan Matile
- Department of Organic Chemistry, National Centre of Competence in Research (NCCR) Chemical Biology, University of Geneva, Geneva, Switzerland
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6
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Kato T, Strakova K, García-Calvo J, Sakai N, Matile S. Mechanosensitive Fluorescent Probes, Changing Color Like Lobsters during Cooking: Cascade Switching Variations. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2020. [DOI: 10.1246/bcsj.20200157] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Takehiro Kato
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland
| | - Karolina Strakova
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland
| | - José García-Calvo
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland
| | - Naomi Sakai
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland
| | - Stefan Matile
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland
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7
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Straková K, López-Andarias J, Jiménez-Rojo N, Chambers JE, Marciniak SJ, Riezman H, Sakai N, Matile S. HaloFlippers: A General Tool for the Fluorescence Imaging of Precisely Localized Membrane Tension Changes in Living Cells. ACS CENTRAL SCIENCE 2020; 6:1376-1385. [PMID: 32875078 PMCID: PMC7453570 DOI: 10.1021/acscentsci.0c00666] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Indexed: 05/03/2023]
Abstract
Tools to image membrane tension in response to mechanical stimuli are badly needed in mechanobiology. We have recently introduced mechanosensitive flipper probes to report quantitatively global membrane tension changes in fluorescence lifetime imaging microscopy (FLIM) images of living cells. However, to address specific questions on physical forces in biology, the probes need to be localized precisely in the membrane of interest (MOI). Herein we present a general strategy to image the tension of the MOI by tagging our newly introduced HaloFlippers to self-labeling HaloTags fused to proteins in this membrane. The critical challenge in the construction of operational HaloFlippers is the tether linking the flipper and the HaloTag: It must be neither too taut nor too loose, be hydrophilic but lipophilic enough to passively diffuse across membranes to reach the HaloTags, and allow partitioning of flippers into the MOI after the reaction. HaloFlippers with the best tether show localized and selective fluorescence after reacting with HaloTags that are close enough to the MOI but remain nonemissive if the MOI cannot be reached. Their fluorescence lifetime in FLIM images varies depending on the nature of the MOI and responds to myriocin-mediated sphingomyelin depletion as well as to osmotic stress. The response to changes in such precisely localized membrane tension follows the validated principles, thus confirming intact mechanosensitivity. Examples covered include HaloTags in the Golgi apparatus, peroxisomes, endolysosomes, and the ER, all thus becoming accessible to the selective fluorescence imaging of membrane tension.
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Affiliation(s)
- Karolína Straková
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
| | - Javier López-Andarias
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
- (J.L.-A.)
| | - Noemi Jiménez-Rojo
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
| | - Joseph E. Chambers
- Cambridge
Institute for Medical Research, University
of Cambridge, Cambridge CB2 0XY, United Kingdom
| | - Stefan J. Marciniak
- Cambridge
Institute for Medical Research, University
of Cambridge, Cambridge CB2 0XY, United Kingdom
| | - Howard Riezman
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
| | - Naomi Sakai
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
| | - Stefan Matile
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
- (S.M.)
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8
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Roeleveld JJ, Lekanne Deprez SJ, Verhoofstad A, Frontera A, van der Vlugt JI, Mooibroek TJ. Engineering Crystals Using sp 3 -C Centred Tetrel Bonding Interactions. Chemistry 2020; 26:10126-10132. [PMID: 32557861 PMCID: PMC7496358 DOI: 10.1002/chem.202002613] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 06/16/2020] [Indexed: 11/06/2022]
Abstract
1,1,2,2-Tetracyanocyclopropane derivatives 1 and 2 were designed and synthesized to probe the utility of sp3 -C centred tetrel bonding interactions in crystal engineering. The crystal packing of 1 and 2 and their 1,4-dioxane cocrystals is dominated by sp3 -C(CN)2 ⋅⋅⋅O interactions, has significant C⋅⋅⋅O van der Waals overlap (≤0.266 Å) and DFT calculations indicate interaction energies of up to -11.0 kcal mol-1 . A cocrystal of 2 with 1,4-thioxane reveals that the cyclopropane synthon prefers interacting with O over S. Computational analyses revealed that the electropositive C2 (CN)4 pocket in 1 and 2 can be seen as a strongly directional 'tetrel-bond donor', similar to halogen bond or hydrogen bond donors. This disclosure is expected to have implications for the utility of such 'tetrel bond donors' in molecular disciplines such as crystal engineering, supramolecular chemistry, molecular recognition and medicinal chemistry.
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Affiliation(s)
- Julius J. Roeleveld
- van ‘t Hoff Institute for Molecular SciencesUniversiteit van AmsterdamScience Park 9041098XHAmsterdamThe Netherlands
| | - Siebe J. Lekanne Deprez
- van ‘t Hoff Institute for Molecular SciencesUniversiteit van AmsterdamScience Park 9041098XHAmsterdamThe Netherlands
| | - Abraham Verhoofstad
- van ‘t Hoff Institute for Molecular SciencesUniversiteit van AmsterdamScience Park 9041098XHAmsterdamThe Netherlands
| | - Antonio Frontera
- Department of ChemistryUniversitat de les Illes BalearsCrta de Valldemossa km 7.507122Palmade Mallorca (BalearesSpain
| | - Jarl Ivar van der Vlugt
- van ‘t Hoff Institute for Molecular SciencesUniversiteit van AmsterdamScience Park 9041098XHAmsterdamThe Netherlands
- Institute of ChemistryCarl von Ossietzky University OldenburgCarl-von-Ossietzky-Straße 9–1126219OldenburgGermany
| | - Tiddo Jonathan Mooibroek
- van ‘t Hoff Institute for Molecular SciencesUniversiteit van AmsterdamScience Park 9041098XHAmsterdamThe Netherlands
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García-Calvo J, Maillard J, Fureraj I, Strakova K, Colom A, Mercier V, Roux A, Vauthey E, Sakai N, Fürstenberg A, Matile S. Fluorescent Membrane Tension Probes for Super-Resolution Microscopy: Combining Mechanosensitive Cascade Switching with Dynamic-Covalent Ketone Chemistry. J Am Chem Soc 2020; 142:12034-12038. [PMID: 32609500 DOI: 10.1021/jacs.0c04942] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
We report the design, synthesis, and evaluation of fluorescent flipper probes for single-molecule super-resolution imaging of membrane tension in living cells. Reversible switching from bright-state ketones to dark-state hydrates, hemiacetals, and hemithioacetals is demonstrated for twisted and planarized mechanophores in solution and membranes. Broadband femtosecond fluorescence up-conversion spectroscopy evinces ultrafast chalcogen-bonding cascade switching in the excited state in solution. According to fluorescence lifetime imaging microscopy, the new flippers image membrane tension in live cells with record red shifts and photostability. Single-molecule localization microscopy with the new tension probes resolves membranes well below the diffraction limit.
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Affiliation(s)
- José García-Calvo
- School of Chemistry and Biochemistry, University of Geneva, Geneva 1211, Switzerland
| | - Jimmy Maillard
- School of Chemistry and Biochemistry, University of Geneva, Geneva 1211, Switzerland
| | - Ina Fureraj
- School of Chemistry and Biochemistry, University of Geneva, Geneva 1211, Switzerland
| | - Karolina Strakova
- School of Chemistry and Biochemistry, University of Geneva, Geneva 1211, Switzerland
| | - Adai Colom
- School of Chemistry and Biochemistry, University of Geneva, Geneva 1211, Switzerland
| | - Vincent Mercier
- School of Chemistry and Biochemistry, University of Geneva, Geneva 1211, Switzerland
| | - Aurelien Roux
- School of Chemistry and Biochemistry, University of Geneva, Geneva 1211, Switzerland
| | - Eric Vauthey
- School of Chemistry and Biochemistry, University of Geneva, Geneva 1211, Switzerland
| | - Naomi Sakai
- School of Chemistry and Biochemistry, University of Geneva, Geneva 1211, Switzerland
| | - Alexandre Fürstenberg
- School of Chemistry and Biochemistry, University of Geneva, Geneva 1211, Switzerland
| | - Stefan Matile
- School of Chemistry and Biochemistry, University of Geneva, Geneva 1211, Switzerland
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10
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Licari G, Strakova K, Matile S, Tajkhorshid E. Twisting and tilting of a mechanosensitive molecular probe detects order in membranes. Chem Sci 2020; 11:5637-5649. [PMID: 32864081 PMCID: PMC7433777 DOI: 10.1039/d0sc02175j] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 04/29/2020] [Indexed: 12/29/2022] Open
Abstract
Lateral forces in biological membranes affect a variety of dynamic cellular processes. Recent synthetic efforts have introduced fluorescent "flippers" as environment-sensitive planarizable push-pull probes that can detect lipid packing and membrane tension, and respond to lipid-induced mechanical forces by a shift in their spectroscopic properties. Herein, we investigate the molecular origin of the mechanosensitivity of the best known flipper, Flipper-TR, by an extended set of molecular dynamics (MD) simulations in membranes of increasing complexity and under different physicochemical conditions, revealing unprecedented details of the sensing process. Simulations enabled by accurate refinement of Flipper-TR force field using quantum mechanical calculations allowed us to unambiguously correlate the planarization of the two fluorescent flippers to spectroscopic response. In particular, Flipper-TR conformation exhibits bimodal distribution in disordered membranes and a unimodal distribution in highly ordered membranes. Such dramatic change was associated with a shift in Flipper-TR excitation spectra, as supported both by our simulated and experimentally-measured spectra. Flipper-TR sensitivity to phase-transition is confirmed by a temperature-jump protocol that alters the lipid phase of an ordered membrane, triggering an instantaneous mechanical twisting of the probe. Simulations show that the probe is also sensitive to surface tension, since even in a naturally disordered membrane, the unimodal distribution of coplanar flippers can be achieved if a sufficiently negative surface tension is applied to the membrane. MD simulations in ternary mixtures containing raft-like nanodomains show that the probe can discriminate lipid domains in phase-separated complex bilayers. A histogram-based approach, called DOB-phase classification, is introduced that can differentiate regions of disordered and ordered lipid phases by comparing dihedral distributions of Flipper-TR. Moreover, a new sensing mechanism involving the orientation of Flipper-TR is elucidated, corroborating experimental evidence that the probe tilt angle is strongly dependent on lipid ordering. The obtained atomic-resolution description of Flipper-TR mechanosensitivity is key to the interpretation of experimental data and to the design of novel mechanosensors with improved spectroscopic properties.
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Affiliation(s)
- Giuseppe Licari
- NIH Center for Macromolecular Modeling and Bioinformatics , Beckman Institute for Advanced Science and Technology , Department of Biochemistry , Center for Biophysics and Quantitative Biology , University of Illinois at Urbana-Champaign , Urbana , Illinois , USA . ; Tel: +1-217-244-6914
| | - Karolina Strakova
- School of Chemistry and Biochemistry , National Centre of Competence in Research (NCCR) Chemical Biology , University of Geneva , Geneva , Switzerland
| | - Stefan Matile
- School of Chemistry and Biochemistry , National Centre of Competence in Research (NCCR) Chemical Biology , University of Geneva , Geneva , Switzerland
| | - Emad Tajkhorshid
- NIH Center for Macromolecular Modeling and Bioinformatics , Beckman Institute for Advanced Science and Technology , Department of Biochemistry , Center for Biophysics and Quantitative Biology , University of Illinois at Urbana-Champaign , Urbana , Illinois , USA . ; Tel: +1-217-244-6914
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Zhang X, Sakai N, Matile S. Methyl Scanning for Mechanochemical Chalcogen-Bonding Cascade Switches. ChemistryOpen 2020; 9:18-22. [PMID: 31921541 PMCID: PMC6946998 DOI: 10.1002/open.201900288] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Indexed: 12/14/2022] Open
Abstract
Chalcogen-bonding cascade switching was introduced recently to produce the chemistry tools needed to image physical forces in biological systems. In the original flipper probe, one methyl group appeared to possibly interfere with the cascade switch. In this report, this questionable methyl group is replaced by a hydrogen. The deletion of this methyl group in planarizable push-pull probes was not trivial because it required the synthesis of dithienothiophenes with four different substituents on the four available carbons. The mechanosensitivity of the resulting demethylated flipper probe was nearly identical to that of the original. Thus methyl groups in the switching region are irrelevant for function, whereas those in the twisting region are essential. This result supports the chalcogen-bonding cascade switching concept and, most importantly, removes significant synthetic demands from future probe development.
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Affiliation(s)
- Xiang Zhang
- Department of Organic ChemistryUniversity of GenevaGenevaSwitzerland
| | - Naomi Sakai
- Department of Organic ChemistryUniversity of GenevaGenevaSwitzerland
| | - Stefan Matile
- Department of Organic ChemistryUniversity of GenevaGenevaSwitzerland
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