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Cyboran-Mikołajczyk S, Matczak K, Olchowik-Grabarek E, Sękowski S, Nowicka P, Krawczyk-Łebek A, Kostrzewa-Susłow E. The influence of the chlorine atom on the biological activity of 2'-hydroxychalcone in relation to the lipid phase of biological membranes - Anticancer and antimicrobial activity. Chem Biol Interact 2024; 398:111082. [PMID: 38825055 DOI: 10.1016/j.cbi.2024.111082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 05/22/2024] [Accepted: 05/29/2024] [Indexed: 06/04/2024]
Abstract
The study investigates the effect of the presence of a chlorine atom in the 2'-hydroxychalcone molecule on its interaction with model lipid membranes, in order to discern its potential pharmacological activity. Five chlorine derivatives of 2'-hydroxychalcone were synthesized and evaluated against liposomes composed of POPC and enriched with cationic (DOTAP) or anionic (POPG) lipids. The physicochemical properties of the compounds were initially simulated using SwissAdame software, revealing high lipophilicity (ilogP values: 2.79-2.90). The dynamic light scattering analysis of liposomes showed that chloro chalcones induce minor changes in the diameter of liposomes of different surface charges. Fluorescence quenching assays with a TMA-DPH probe demonstrated the strong ability of the compounds to interact with the lipid bilayer, with varying quenching capacities based on chlorine atom position. FTIR studies indicated alterations in carbonyl, phosphate, and choline groups, suggesting a transition area localization rather than deep penetration into the hydrocarbon chains. Additionally, dipole potential reduction was observed in POPC and POPC-POPG membranes, particularly pronounced by derivatives with a chlorine atom in the B ring. Antibacterial and antibiofilm assays revealed enhanced activity of derivatives with a chlorine atom compared to 2'-hydroxychalcone, especially against Gram-positive bacteria. The MIC and MBIC50 values showed increased efficacy in the presence of chlorine with 3'-5'-dichloro-2'-hydroxychalcone demonstrating optimal antimicrobial and antibiofilm activity. Furthermore, antiproliferative assays against breast cancer cell lines indicated higher activity of B-ring chlorine derivatives, particularly against MDA-MB-231 cells. In general, the presence of a chlorine atom in 2'-hydroxychalcone improves its pharmacological potential, with derivatives showing improved antimicrobial, antibiofilm, and antiproliferative activities, especially against aggressive breast cancer cell lines. These findings underscore the importance of molecular structure in modulating biological activity and highlight chalcones with a chlorine as promising candidates for further drug development studies.
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Affiliation(s)
- Sylwia Cyboran-Mikołajczyk
- Department of Physics and Biophysics, Wrocław University of Environmental and Life Sciences, Norwida St. 25, 50-375, Wrocław, Poland.
| | - Karolina Matczak
- Department of Medical Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska St. 141/143, 90-236, Lodz, Poland
| | - Ewa Olchowik-Grabarek
- Department of Microbiology and Biotechnology, Faculty of Biology, University of Bialystok, Konstanty Ciolkowski St. 1J, 15-245, Białystok, Poland
| | - Szymon Sękowski
- Department of Microbiology and Biotechnology, Faculty of Biology, University of Bialystok, Konstanty Ciolkowski St. 1J, 15-245, Białystok, Poland
| | - Paulina Nowicka
- Department of Fruit, Vegetable and Plant Nutraceutical Technology, Wrocław University of Environmental and Life Sciences, Chełmońskiego St. 37, 50-375, Wrocław, Poland
| | - Agnieszka Krawczyk-Łebek
- Department of Food Chemistry and Biocatalysis, Wrocław University of Environmental and Life Sciences, Norwida St. 25, 50-375, Wrocław, Poland
| | - Edyta Kostrzewa-Susłow
- Department of Food Chemistry and Biocatalysis, Wrocław University of Environmental and Life Sciences, Norwida St. 25, 50-375, Wrocław, Poland
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Allen MC, Ritchie MW, El-Saadi MI, MacMillan HA. Effects of a high cholesterol diet on chill tolerance are highly context-dependent in Drosophila. J Therm Biol 2024; 119:103789. [PMID: 38340464 DOI: 10.1016/j.jtherbio.2024.103789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 11/11/2023] [Accepted: 01/04/2024] [Indexed: 02/12/2024]
Abstract
Chill susceptible insects are thought to be injured through different mechanisms depending on the duration and severity of chilling. While chronic chilling causes "indirect" injury through disruption of metabolic and ion homeostasis, acute chilling is suspected to cause "direct" injury, in part through phase transitions of cell membrane lipids. Dietary supplementation of cholesterol can reduce acute chilling injury in Drosophila melanogaster (Shreve et al., 2007), but the generality of this effect and the mechanisms underlying it remain unclear. To better understand how and why cholesterol has this effect, we assessed how a high cholesterol diet and thermal acclimation independently and interactively impact several measures of chill tolerance. Cholesterol supplementation positively affected tolerance to acute chilling in warm-acclimated flies (as reported previously). Conversely, feeding on the high-cholesterol diet negatively affected tolerance to chronic chilling in both cold and warm acclimated flies, as well as tolerance to acute chilling in cold acclimated flies. Cholesterol had no effect on the ability of flies to remain active in the cold or recover movement after a cold stress. Our findings support the idea that dietary cholesterol reduces mechanical injury to membranes caused by direct chilling injury, and that acute and chronic chilling are associated with distinct mechanisms of injury. Feeding on a high-cholesterol diet may interfere with mechanisms involved in cold acclimation, leaving cholesterol augmented flies more susceptible to chilling injury under some conditions.
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Affiliation(s)
- Mitchell C Allen
- Department of Biology, Carleton University, 1125 Colonel By Dr, Ottawa, Ontario, K1S 5B6, Canada
| | - Marshall W Ritchie
- Department of Biology, Carleton University, 1125 Colonel By Dr, Ottawa, Ontario, K1S 5B6, Canada
| | - Mahmoud I El-Saadi
- Department of Biology, Carleton University, 1125 Colonel By Dr, Ottawa, Ontario, K1S 5B6, Canada
| | - Heath A MacMillan
- Department of Biology, Carleton University, 1125 Colonel By Dr, Ottawa, Ontario, K1S 5B6, Canada.
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Klaiss-Luna MC, Giraldo-Lorza JM, Jemioła-Rzemińska M, Strzałka K, Manrique-Moreno M. Biophysical Insights into the Antitumoral Activity of Crotalicidin against Breast Cancer Model Membranes. Int J Mol Sci 2023; 24:16226. [PMID: 38003414 PMCID: PMC10671781 DOI: 10.3390/ijms242216226] [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: 10/08/2023] [Revised: 11/08/2023] [Accepted: 11/10/2023] [Indexed: 11/26/2023] Open
Abstract
Bioactive peptides have emerged as promising therapeutic agents with antimicrobial, antifungal, antiparasitic, and, recently, antitumoral properties with a mechanism of action based on membrane destabilization and cell death, often involving a conformational change in the peptide. This biophysical study aims to provide preliminary insights into the membrane-level antitumoral mode of action of crotalicidin, a cationic host defense peptide from rattlesnake venom, toward breast cancer cell lines. The lipid composition of breast cancer cell lines was obtained after lipid extraction and quantification to prepare representative cell membrane models. Membrane-peptide interaction studies were performed using differential scanning calorimetry and Fourier-transform infrared spectroscopy. The outcome evidences the potential antitumoral activity and selectivity of crotalicidin toward breast cancer cell lines and suggests a mechanism initiated by the electrostatic interaction of the peptide with the lipid bilayer surface and posterior conformation change with membrane intercalation between the acyl chains in negatively charged lipid systems. This research provides valuable information that clears up the antitumoral mode of action of crotalicidin.
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Affiliation(s)
- Maria C. Klaiss-Luna
- Chemistry Institute, Faculty of Exact and Natural Sciences, University of Antioquia, A.A 1226, Medellin 050010, Colombia
| | - Juan M. Giraldo-Lorza
- Chemistry Institute, Faculty of Exact and Natural Sciences, University of Antioquia, A.A 1226, Medellin 050010, Colombia
| | - Małgorzata Jemioła-Rzemińska
- Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
| | - Kazimierz Strzałka
- Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
- Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Krakow, Poland
| | - Marcela Manrique-Moreno
- Chemistry Institute, Faculty of Exact and Natural Sciences, University of Antioquia, A.A 1226, Medellin 050010, Colombia
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Sarkar B, Bandyopadhyay P, Das A, Pal S, Hasanuzzaman M, Adak MK. Abscisic acid priming confers salt tolerance in maize seedlings by modulating osmotic adjustment, bond energies, ROS homeostasis, and organic acid metabolism. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 202:107980. [PMID: 37634334 DOI: 10.1016/j.plaphy.2023.107980] [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: 06/21/2023] [Revised: 08/05/2023] [Accepted: 08/18/2023] [Indexed: 08/29/2023]
Abstract
This study aimed at investigating the influence of exogenous abscisic acid (ABA) on salt homeostasis under 100 mM NaCl stress in maize (Zea mays L. cv. Kaveri 50) through 3 and 5 days of exposure. The ratio of Na+ to K+, hydrogen peroxide (H2O2) and superoxide (O2•‒) accumulation, electrolyte leakage were the major determinants for salt sensitivity. Pretreatment with ABA [ABA (+)] had altered the salt sensitivity of plants maximally through 5 days of treatment. Plants controlled well for endogenous ABA level (92% increase) and bond energy minimization of cell wall residues to support salt tolerance proportionately to ABA (+). Salt stress was mitigated through maintenance of relative water content (RWC) (16%), glycine betaine (GB) (26%), proline (28%) and proline biosynthesis enzyme (ΔP5CS) (26%) under the application of ABA (+). Minimization of lipid peroxides (6% decrease), carbonyl content (9% decrease), acid, alkaline phosphatase activities were more tolerated under 100 mM salinity at 5 days duration. Malate metabolism for salt tolerance was dependent on the activity of the malic enzyme, malate dehydrogenase through transcript abundance in real-time manner as a function of ABA (+). Establishment of oxidative stress through days under salinity recorded by NADPH-oxidase activity (39% increase) following ROS generation as detected in tissue specific level. The ABA (+) significantly altered redox homeostasis through ratio of AsA to DHA (21% increase), GSH to GSSG (12% increase) by dehydroascorbate reductase and glutathione reductase respectively, and other enzymes like guaiacol peroxidase, catalase, glutathione reductase activities. The ABA in priming was substantially explained in stress metabolism as biomarker for salinity stress with reference to maize.
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Affiliation(s)
- Bipul Sarkar
- Plant Physiology and Molecular Biology Research Unit, Department of Botany, University of Kalyani, Kalyani, 741235, India
| | - Pratim Bandyopadhyay
- Plant Physiology and Molecular Biology Research Unit, Department of Botany, University of Kalyani, Kalyani, 741235, India
| | - Abir Das
- Plant Physiology and Molecular Biology Research Unit, Department of Botany, University of Kalyani, Kalyani, 741235, India
| | - Sayan Pal
- Plant Physiology and Molecular Biology Research Unit, Department of Botany, University of Kalyani, Kalyani, 741235, India
| | - Mirza Hasanuzzaman
- Department of Agronomy, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka, 1207, Bangladesh; Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul, 02447, Republic of Korea.
| | - Malay Kumar Adak
- Plant Physiology and Molecular Biology Research Unit, Department of Botany, University of Kalyani, Kalyani, 741235, India.
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Pastuszak K, Chmiel E, Kowalczyk B, Tarasiuk J, Jurak M, Palusińska-Szysz M. Physicochemical Characteristics of Model Membranes Composed of Legionella gormanii Lipids. MEMBRANES 2023; 13:356. [PMID: 36984743 PMCID: PMC10058700 DOI: 10.3390/membranes13030356] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 03/10/2023] [Accepted: 03/14/2023] [Indexed: 06/18/2023]
Abstract
Legionella gormanii is one of the species belonging to the genus Legionella, which causes atypical community-acquired pneumonia. The most important virulence factors that enable the bacteria to colonize the host organism are associated with the cell surface. Lipids building the cell envelope are crucial not only for the membrane integrity of L. gormanii but also by virtue of being a dynamic site of interactions between the pathogen and the metabolites supplied by its host. The utilization of exogenous choline by the Legionella species results in changes in the lipids' composition, which influences the physicochemical properties of the cell surface. The aim of this study was to characterize the interfacial properties of the phospholipids extracted from L. gormanii cultured with (PL+choline) and without exogenous choline (PL-choline). The Langmuir monolayer technique coupled with the surface potential (SPOT) sensor and the Brewster angle microscope (BAM) made it possible to prepare the lipid monomolecular films (model membranes) and study their properties at the liquid/air interface at 20 °C and 37 °C. The results indicate the effect of the choline addition to the bacterial medium on the properties of the L. gormanii phospholipid membranes. The differences were revealed in the organization of monolayers, their molecular packing and ordering, degree of condensation and changes in the components' miscibility. These findings are the basis for further research on the mechanisms of adaptation of this pathogen, which by changing the native composition and properties of lipids, bypasses the action of antimicrobial compounds and avoids the host immune attack.
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Affiliation(s)
- Katarzyna Pastuszak
- Department of Interfacial Phenomena, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, Maria Curie-Skłodowska Sq. 3, 20-031 Lublin, Poland;
| | - Elżbieta Chmiel
- Department of Genetics and Microbiology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland; (E.C.); (B.K.); (J.T.); (M.P.-S.)
| | - Bożena Kowalczyk
- Department of Genetics and Microbiology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland; (E.C.); (B.K.); (J.T.); (M.P.-S.)
| | - Jacek Tarasiuk
- Department of Genetics and Microbiology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland; (E.C.); (B.K.); (J.T.); (M.P.-S.)
| | - Małgorzata Jurak
- Department of Interfacial Phenomena, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, Maria Curie-Skłodowska Sq. 3, 20-031 Lublin, Poland;
| | - Marta Palusińska-Szysz
- Department of Genetics and Microbiology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland; (E.C.); (B.K.); (J.T.); (M.P.-S.)
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Arricca M, Salvadori A, Bonanno C, Serpelloni M. Modeling Receptor Motility along Advecting Lipid Membranes. MEMBRANES 2022; 12:membranes12070652. [PMID: 35877855 PMCID: PMC9317916 DOI: 10.3390/membranes12070652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 06/21/2022] [Accepted: 06/21/2022] [Indexed: 11/24/2022]
Abstract
This work aims to overview multiphysics mechanobiological computational models for receptor dynamics along advecting cell membranes. Continuum and statistical models of receptor motility are the two main modeling methodologies identified in reviewing the state of the art. Within the former modeling class, a further subdivision based on different biological purposes and processes of proteins’ motion is recognized; cell adhesion, cell contractility, endocytosis, and receptor relocations on advecting membranes are the most relevant biological processes identified in which receptor motility is pivotal. Numerical and/or experimental methods and approaches are highlighted in the exposure of the reviewed works provided by the literature, pertinent to the topic of the present manuscript. With a main focus on the continuum models of receptor motility, we discuss appropriate multiphyisics laws to model the mass flux of receptor proteins in the reproduction of receptor relocation and recruitment along cell membranes to describe receptor–ligand chemical interactions, and the cell’s structural response. The mass flux of receptor modeling is further supported by a discussion on the methodology utilized to evaluate the protein diffusion coefficient developed over the years.
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Affiliation(s)
- Matteo Arricca
- The Mechanobiology Research Center, University of Brescia (UNIBS), 25123 Brescia, Italy; (M.A.); (C.B.); (M.S.)
- Department of Mechanical and Industrial Engineering, Università degli Studi di Brescia, via Branze 38, 25123 Brescia, Italy
| | - Alberto Salvadori
- The Mechanobiology Research Center, University of Brescia (UNIBS), 25123 Brescia, Italy; (M.A.); (C.B.); (M.S.)
- Department of Mechanical and Industrial Engineering, Università degli Studi di Brescia, via Branze 38, 25123 Brescia, Italy
- Correspondence:
| | - Claudia Bonanno
- The Mechanobiology Research Center, University of Brescia (UNIBS), 25123 Brescia, Italy; (M.A.); (C.B.); (M.S.)
- Department of Civil, Environmental, Architectural Engineering and Mathematics, Università degli Studi di Brescia, via Branze 43, 25123 Brescia, Italy
| | - Mattia Serpelloni
- The Mechanobiology Research Center, University of Brescia (UNIBS), 25123 Brescia, Italy; (M.A.); (C.B.); (M.S.)
- Department of Mechanical and Industrial Engineering, Università degli Studi di Brescia, via Branze 38, 25123 Brescia, Italy
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