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Zakharova AA, Efimova SS, Yuskovets VN, Yakovlev IP, Sarkisyan ZM, Ostroumova OS. 1,3-Thiazine, 1,2,3,4-Dithiadiazole, and Thiohydrazide Derivatives Affect Lipid Bilayer Properties and Ion-Permeable Pores Induced by Antifungals. Front Cell Dev Biol 2020; 8:535. [PMID: 32695784 PMCID: PMC7339130 DOI: 10.3389/fcell.2020.00535] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 06/08/2020] [Indexed: 12/02/2022] Open
Abstract
Over the past decade, thiazines, thiadiazoles, and thiohydrazides have attracted increasing attention due to their sedative, antimicrobial, antiviral, antifungal, and antitumor activities. The clinical efficacy of such drugs, as well as the possibility of developing resistance to antimicrobials, will depend on addressing a number of fundamental problems, including the role of membrane lipids during their interaction with plasma membranes. The effects of the eight 1,3- thiazine-, 1,2,3,4- dithiadiazole-, and thiohydrazide-related compounds on the physical properties of model lipid membranes and the effects on reconstituted ion channels induced by the polyene macrolide antimycotic nystatin and antifungal cyclic lipopeptides syringomycin E and fengycin were observed. We found that among the tested agents, the fluorine-containing compound N′-(3,5-difluorophenyl)-benzenecarbothiohydrazide (C6) was the most effective at increasing the electric barrier for anion permeation into the hydrophobic region of the membrane and reducing the conductance of anion-permeable syringomycin pores. A decrease in the membrane boundary potential with C6 adsorption also facilitated the immersion of positively charged syringomycin molecules into the lipid bilayer and increases the pore-forming ability of the lipopeptide. Using differential scanning microcalorimetry, we showed that C6 led to disordering of membrane lipids, possibly by potentiating positive curvature stress. Therefore, we used C6 as an agonist of antifungals forming the pores that are sensitive to membrane curvature stress and lipid packing, i.e., nystatin and fengycin. The dramatic increase in transmembrane current induced by syringomycin E, nystatin, and fengycin upon C6 treatment suggests its potential in combination therapy for treating invasive fungal infections.
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Affiliation(s)
- Anastasiia A Zakharova
- Laboratory of Membrane and Ion Channel Modeling, Institute of Cytology, Russian Academy of Sciences, Saint Petersburg, Russia
| | - Svetlana S Efimova
- Laboratory of Membrane and Ion Channel Modeling, Institute of Cytology, Russian Academy of Sciences, Saint Petersburg, Russia
| | - Valeriy N Yuskovets
- Department of Organic Chemistry, Saint-Petersburg State Chemical Pharmaceutical University, Saint Petersburg, Russia
| | - Igor P Yakovlev
- Department of Organic Chemistry, Saint-Petersburg State Chemical Pharmaceutical University, Saint Petersburg, Russia
| | - Zara M Sarkisyan
- Department of General and Medical Chemistry, Saint-Petersburg State Pediatric Medical University, Saint Petersburg, Russia
| | - Olga S Ostroumova
- Laboratory of Membrane and Ion Channel Modeling, Institute of Cytology, Russian Academy of Sciences, Saint Petersburg, Russia
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Perczyk P, Wójcik A, Wydro P, Broniatowski M. The role of phospholipid composition and ergosterol presence in the adaptation of fungal membranes to harsh environmental conditions-membrane modeling study. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2019; 1862:183136. [PMID: 31751523 DOI: 10.1016/j.bbamem.2019.183136] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 09/30/2019] [Accepted: 10/28/2019] [Indexed: 01/18/2023]
Abstract
Soil fungi play an important role in the environment decomposing dead organic matter and degrading persistent organic pollutants (POP). The presence of hydrophobic POP in the soil and membrane-lytic substances excreted by competing microorganism to the soil solution is the constant threat to these organisms. To survive in the harsh environment and counteract these hazards the fungal cells have to strictly control the composition of the lipids in their cellular membranes. However, in the case of fungal membranes the correlation between their composition and physical properties is not fully understood. In our studies we applied Langmuir monolayers formed by phospholipids typical to fungal membranes and ergosterol as versatile model membranes. These membranes were characterized by the Langmuir technique, Brewster Angle Microscopy and Grazing Incidence X-ray Diffraction, as well as were exposed to the action of phospholipase A2 treated as a model membrane-lytic protein. We started our studies from the equimolar mixture of phosphatidylethanolamine with phosphatidylcholine and doped this matrix with phosphatidylserine (PS) or phosphatidylinositol (PI). It turned out that the membranes with PS were much more condensed at the mesoscale and periodically organized at the molecular level. Starting from these models we derived two families of model fungal membranes adding to these phospholipid matrices ergosterol. It turned out that the level of ergosterol content is of crucial importance for the model membrane structure and its durability. Changing the ergosterol mole ratio from 0 to 0.5 we defined and described in detail four different 2D crystalline phases.
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Affiliation(s)
- Paulina Perczyk
- Department of Environmental Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland
| | - Aneta Wójcik
- Department of Environmental Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland
| | - Paweł Wydro
- Department of Physical Chemistry and Electrochemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland
| | - Marcin Broniatowski
- Department of Environmental Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland.
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Nguyen TT, Cramb DT. Elucidation of the mechanism and energy barrier for anesthetic triggered membrane fusion in model membranes. CAN J CHEM 2019. [DOI: 10.1139/cjc-2018-0405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Membrane fusion is vital for cellular function and is generally mediated via fusogenic proteins and peptides. The mechanistic details and subsequently the transition state dynamics of membrane fusion will be dependent on the type of the fusogenic agent. We have previously established the potential of general anesthetics as a new class of fusion triggering agents in model membranes. We employed two-photon excitation fluorescence cross-correlation spectroscopy (TPE-FCCS) to report on vesicle association kinetics and steady-state fluorescence dequenching assays to monitor lipid mixing kinetics. Using halothane to trigger fusion in 110 nm diameter dioleoylphosphatidylcholine (DOPC) liposomes, we found that lipid rearrangement towards the formation of the fusion stalk was rate limiting. The activation barrier for halothane induced membrane fusion in 110 nm vesicles was found to be ∼40 kJ mol−1. We calculated the enthalpy and entropy of the transition state to be ∼40 kJ mol−1and ∼180 J mol−1K−1, respectively. We have found that the addition of halothane effectively lowers the energy barrier for membrane fusion in less curved vesicles largely due to entropic advantages.
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Affiliation(s)
- Trinh T. Nguyen
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada
| | - David T. Cramb
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada
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Majumdar A, Sarkar M. Small Mismatches in Fatty Acyl Tail Lengths Can Effect Non Steroidal Anti-Inflammatory Drug Induced Membrane Fusion. J Phys Chem B 2016; 120:4791-802. [PMID: 27153337 DOI: 10.1021/acs.jpcb.6b03583] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Anupa Majumdar
- Chemical Sciences Division, Saha Institute of Nuclear Physics, 1/AF,
Bidhannagar, Kolkata 700064, India
| | - Munna Sarkar
- Chemical Sciences Division, Saha Institute of Nuclear Physics, 1/AF,
Bidhannagar, Kolkata 700064, India
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Majumdar A, Kundu D, Sarkar M. Differential Effect of Oxicam Non-Steroidal Anti-Inflammatory Drugs on Membranes and Their Consequence on Membrane Fusion. J Phys Chem B 2015; 119:9627-39. [PMID: 26147344 DOI: 10.1021/acs.jpcb.5b03918] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Non-steroidal anti-inflammatory drugs (NSAIDs) are the most commonly used analgesics and antipyretics, which form an interesting drug group because of their new and alternate functions. The ability of the NSAIDs belonging to the oxicam chemical group to induce membrane fusion at low physiologically relevant concentrations is a new function that has drawn considerable attention. Membrane fusion is dependent on the interplay of physicochemical properties of both drugs and membranes. Here, we have elucidated the effects of different oxicam drugs, Meloxicam, Piroxicam, Tenoxicam, Lornoxicam, and Isoxicam, on an identical membrane-mimetic system. This highlights only the differential effects of the drugs on drug-membrane interactions, which in turn modulate their role as membrane fusogens. The partitioning behavior and the location of the drugs in dimyristoylphosphatidylcholine vesicles have been studied using second-derivative absorption spectroscopy, fluorescence quenching, steady-state fluorescence anisotropy, and time-resolved fluorescence lifetime measurements. Fusion kinetics has been monitored by fluorescence assays and dynamic light scattering was used to provide a snapshot of the vesicle diameter distribution at different time points. The differential perturbing effect of the drugs on the membrane is dependent both on their partitioning and location. Although partitioning governs the extent of fusion, the location modulates the rates of each step.
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Affiliation(s)
- Anupa Majumdar
- †Chemical Sciences Division, Saha Institute of Nuclear Physics, 1/AF, Bidhannagar, Kolkata 700064, India
| | - Debjyoti Kundu
- ‡Department of Biochemistry, University of Calcutta, 35, Ballygunge Circular Road, Kolkata 700019, India
| | - Munna Sarkar
- †Chemical Sciences Division, Saha Institute of Nuclear Physics, 1/AF, Bidhannagar, Kolkata 700064, India
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Majumdar A, Chakraborty S, Sarkar M. Modulation of non steroidal anti-inflammatory drug induced membrane fusion by copper coordination of these drugs: anchoring effect. J Phys Chem B 2014; 118:13785-99. [PMID: 25380501 DOI: 10.1021/jp5086087] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Membrane fusion, an integral event in several biological processes, is characterized by several intermediate steps guided by specific energy barriers. Hence, it requires the aid of fusogens to complete the process. Common fusogens, such as proteins/peptides, have the ability to overcome theses barriers by their conformational reorganization, an advantage not shared by small drug molecules. Hence, drug induced fusion at physiologically relevant drug concentrations is rare and occurs only in the case of the oxicam group of non steroidal anti-inflammatory drugs (NSAIDs). To use drugs to induce and control membrane fusion in various biochemical processes requires the understanding of how different parameters modulate fusion. Also, fusion efficacy needs to be enhanced. Here we have synthesized and used Cu(II) complexes of fusogenic oxicam NSAIDs, Meloxicam and Piroxicam, to induce fusion in model membranes monitored by using DSC, TEM, steady-state, and time-resolved spectroscopy. The ability of the complexes to anchor apposing model membranes to initiate/facilitate fusion has been demonstrated. This results in better fusion efficacy compared to the bare drugs. These complexes can take the fusion to its final step. Unlike other designed membrane anchors, the role of molecular recognition and strength of interaction between molecular partners is obliterated for these preformed Cu(II)-NSAIDs.
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Affiliation(s)
- Anupa Majumdar
- Chemical Sciences Division, Saha Institute of Nuclear Physics , 1/AF, Bidhannagar, Kolkata-700064, India
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Pereira-Leite C, Nunes C, Reis S. Interaction of nonsteroidal anti-inflammatory drugs with membranes: in vitro assessment and relevance for their biological actions. Prog Lipid Res 2013; 52:571-84. [PMID: 23981364 DOI: 10.1016/j.plipres.2013.08.003] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2013] [Revised: 08/01/2013] [Accepted: 08/16/2013] [Indexed: 12/12/2022]
Abstract
Nonsteroidal anti-inflammatory drugs (NSAIDs) are among the most commonly used drugs in the world due to their anti-inflammatory, analgesic and antipyretic properties. Nevertheless, the consumption of these drugs is still associated with the occurrence of a wide spectrum of adverse effects. Regarding the major role of membranes in cellular events, the hypothesis that the biological actions of NSAIDs may be related to their effect at the membrane level has triggered the in vitro assessment of NSAIDs-membrane interactions. The use of membrane mimetic models, cell cultures, a wide range of experimental techniques and molecular dynamics simulations has been providing significant information about drugs partition and location within membranes and also about their effect on diverse membrane properties. These studies have indeed been providing evidences that the effect of NSAIDs at membrane level may be an additional mechanism of action and toxicity of NSAIDs. In fact, the pharmacokinetic properties of NSAIDs are closely related to the ability of these drugs to interact and overcome biological membranes. Moreover, the therapeutic actions of NSAIDs may also result from the indirect inhibition of cyclooxygenase due to the disturbing effect of NSAIDs on membrane properties. Furthermore, increasing evidences suggest that the disordering effects of these drugs on membranes may be in the basis of the NSAIDs-induced toxicity in diverse organ systems. Overall, the study of NSAIDs-membrane interactions has proved to be not only important for the better understanding of their pharmacological actions, but also for the rational development of new approaches to overcome NSAIDs adverse effects.
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Affiliation(s)
- Catarina Pereira-Leite
- REQUIMTE, Laboratório de Química Aplicada, Departamento de Ciências Químicas, Faculdade de Farmácia da Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
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Boggara MB, Mihailescu M, Krishnamoorti R. Structural Association of Nonsteroidal Anti-Inflammatory Drugs with Lipid Membranes. J Am Chem Soc 2012; 134:19669-76. [DOI: 10.1021/ja3064342] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Mohan Babu Boggara
- Department of Chemical and Biomolecular
Engineering, University of Houston, Houston,
Texas 77204, United States
| | - Mihaela Mihailescu
- Institute for Bioscience and
Biotechnology Research, University of Maryland, Rockville, Maryland 20850, United States
- National Institute for Standard and Technology, Center for Neutron Research,
Gaithersburg, Maryland 20899, United States
| | - Ramanan Krishnamoorti
- Department of Chemical and Biomolecular
Engineering, University of Houston, Houston,
Texas 77204, United States
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