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Cheng D, Li H, Hu S, Zhao T. Structural effects of zinc on phosphatidylserine-containing lipid membranes: kinetic analysis of membrane reorganization. NEW J CHEM 2022. [DOI: 10.1039/d2nj00515h] [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
Zinc induces reorganization of phosphatidylserine-containing lipid membranes.
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Affiliation(s)
- Danling Cheng
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai, 201620, China
| | - Hewen Li
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai, 201620, China
| | - Shipeng Hu
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai, 201620, China
| | - Tao Zhao
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai, 201620, China
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Xie Y, Qu X, Li J, Li D, Wei W, Hui D, Zhang Q, Meng F, Yin H, Xu X, Wang Y, Wang L, Zhou Z. Ultrafast physical bacterial inactivation and photocatalytic self-cleaning of ZnO nanoarrays for rapid and sustainable bactericidal applications. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 738:139714. [PMID: 32531587 PMCID: PMC7266591 DOI: 10.1016/j.scitotenv.2020.139714] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 05/07/2020] [Accepted: 05/24/2020] [Indexed: 05/09/2023]
Abstract
Various nanostructured surfaces have been developed recently to physically inactivate bacteria, for reducing the rapidly spreading threat of pathogenic bacteria. However, it generally takes several hours for these surfaces to inactivate most of the bacteria, which greatly limits their application in the fields favoring rapid bactericidal performance. Besides, the accumulated bacteria debris left on these surfaces is rarely discussed in the previous reports. Herein we report the nanotip-engineered ZnO nanoarrays (NAs) with ultrafast physical bactericidal rate and the ability to photocatalytically remove the bacteria debris. Neither chemical (Zn2+ or reactive oxygen species) nor photocatalytic effect leads to the ultrafast bactericidal rate, where 97.5% of E. coli and 94.9% of S. aureus are inactivated within only 1 min. The simulation analysis further supported our proposed mechanism attributing the ultrafast bactericidal activity to the great stress enabled by the uneven topography. Moreover, the re-exposure of the ZnO NAs nanotips can be achieved in only 10 min under a mild UV light source. This study not only presents an ultrafast physical bactericidal activity, but also demonstrates the potential of the recyclable and photocatalytic self-cleaning functions of theses surfaces for applications that desire rapid and sustainable bactericidal performance.
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Affiliation(s)
- Yuan Xie
- School of Materials Science and Engineering, Key Laboratory of Advanced Technologies of Materials (Ministry of Education), Southwest Jiaotong University, Chengdu 610031, China
| | - Xi Qu
- Beijing Space Technology Research and Test Center, China Academy of Space Technology, Beijing 100094, China
| | - Jinyang Li
- School of Materials Science and Engineering, Key Laboratory of Advanced Technologies of Materials (Ministry of Education), Southwest Jiaotong University, Chengdu 610031, China.
| | - Da Li
- School of Materials Science and Engineering, Key Laboratory of Advanced Technologies of Materials (Ministry of Education), Southwest Jiaotong University, Chengdu 610031, China
| | - Wei Wei
- School of Materials Science and Engineering, Key Laboratory of Advanced Technologies of Materials (Ministry of Education), Southwest Jiaotong University, Chengdu 610031, China
| | - David Hui
- Department of Mechanical Engineering, University of New Orleans, New Orleans, LA 70148, USA
| | - Qiao Zhang
- School of Materials Science and Engineering, Key Laboratory of Advanced Technologies of Materials (Ministry of Education), Southwest Jiaotong University, Chengdu 610031, China
| | - Fanbin Meng
- School of Materials Science and Engineering, Key Laboratory of Advanced Technologies of Materials (Ministry of Education), Southwest Jiaotong University, Chengdu 610031, China
| | - Hong Yin
- Shenzhou Space Biology Science and Technology (Group) Co., Ltd., Beijing 100190, China
| | - Xiaoling Xu
- School of Materials Science and Engineering, Key Laboratory of Advanced Technologies of Materials (Ministry of Education), Southwest Jiaotong University, Chengdu 610031, China
| | - Yong Wang
- School of Materials Science and Engineering, Key Laboratory of Advanced Technologies of Materials (Ministry of Education), Southwest Jiaotong University, Chengdu 610031, China
| | - Li Wang
- Qian Xuesen Laboratory of Space Technology, Beijing 100094, China.
| | - Zuowan Zhou
- School of Materials Science and Engineering, Key Laboratory of Advanced Technologies of Materials (Ministry of Education), Southwest Jiaotong University, Chengdu 610031, China.
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Non-oxidative band-3 clustering agents cause the externalization of phosphatidylserine on erythrocyte surfaces by a calcium-independent mechanism. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2020; 1862:183231. [PMID: 32119860 DOI: 10.1016/j.bbamem.2020.183231] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 02/11/2020] [Accepted: 02/14/2020] [Indexed: 01/17/2023]
Abstract
Aging of red blood cells (RBCs) is associated with alteration in a wide range of RBC features, occurring each on its own timescale. A number of these changes are interrelated and initiate a cascade of biochemical and structural transformations, including band-3 clustering and phosphatidylserine (PS) externalization. Using specific band-3 clustering agents (acridine orange (AO) and ZnCl2), we examined whether treatment of RBCs with these agents may affects PS externalization and whether this process is Ca2+-dependent. RBCs were isolated from the blood of eight healthy donors upon obtaining their informed consent. The suspension was supplemented with increasing concentrations of AO or ZnCl2 (from 0.5 to 2.0 mM) and incubated at 25 °C for 60 min. To detect PS at the RBC surface, we used allophycocyanin-conjugated recombinant human Annexin V. We demonstrated, that treatment of RBCs with both clustering agents caused an elevation in the percent of cells positively labeled by Annexin-V (RBCPS), and that this value was not dependent on the presence of calcium in the buffer: RBCs treated with AO in the presence of either EDTA, EGTA or calcium exhibited similar percentage of RBCPS. Moreover, the active influx of Zn2+ into RBCs induced by their co-incubation with both ZnCl2 and A23187 did not increase the percent of RBCPS as compared to RBCs incubated with ZnCl2 alone. Taken together, these results demonstrate that the band-3 clustering agents (AO or ZnCl2) induce PS externalization in a Ca2+ independent manner, and we hereby suggest a possible scenario for this phenomenon.
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Pajnič M, Drašler B, Šuštar V, Krek JL, Štukelj R, Šimundić M, Kononenko V, Makovec D, Hägerstrand H, Drobne D, Kralj-Iglič V. Effect of carbon black nanomaterial on biological membranes revealed by shape of human erythrocytes, platelets and phospholipid vesicles. J Nanobiotechnology 2015; 13:28. [PMID: 25886274 PMCID: PMC4391140 DOI: 10.1186/s12951-015-0087-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Accepted: 03/16/2015] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND We studied the effect of carbon black (CB) agglomerated nanomaterial on biological membranes as revealed by shapes of human erythrocytes, platelets and giant phospholipid vesicles. Diluted human blood was incubated with CB nanomaterial and observed by different microscopic techniques. Giant unilamellar phospholipid vesicles (GUVs) created by electroformation were incubated with CB nanomaterial and observed by optical microscopy. Populations of erythrocytes and GUVs were analyzed: the effect of CB nanomaterial was assessed by the average number and distribution of erythrocyte shape types (discocytes, echinocytes, stomatocytes) and of vesicles in test suspensions, with respect to control suspensions. Ensembles of representative images were created and analyzed using computer aided image processing and statistical methods. In a population study, blood of 14 healthy human donors was incubated with CB nanomaterial. Blood cell parameters (concentration of different cell types, their volumes and distributions) were assessed. RESULTS We found that CB nanomaterial formed micrometer-sized agglomerates in citrated and phosphate buffered saline, in diluted blood and in blood plasma. These agglomerates interacted with erythrocyte membranes but did not affect erythrocyte shape locally or globally. CB nanomaterial agglomerates were found to mediate attractive interaction between blood cells and to present seeds for formation of agglomerate - blood cells complexes. Distortion of disc shape of resting platelets due to incubation with CB nanomaterial was not observed. CB nanomaterial induced bursting of GUVs while the shape of the remaining vesicles was on the average more elongated than in control suspension, indicating indirect osmotic effects of CB nanomaterial. CONCLUSIONS CB nanomaterial interacts with membranes of blood cells but does not have a direct effect on local or global membrane shape in physiological in vitro conditions. Blood cells and GUVs are convenient and ethically acceptable methods for the study of effects of various substances on biological membranes and therefrom derived effects on organisms.
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Affiliation(s)
- Manca Pajnič
- Laboratory of Clinical Biophysics, University of Ljubljana, Faculty of Health Sciences, Zdravstvena pot 5, Ljubljana, SI-1000, Slovenia.
| | - Barbara Drašler
- Group of Nanobiology and Nanotoxicology, University of Ljubljana, Biotechnical Faculty, Večna pot 111, Ljubljana, SI-1000, Slovenia.
| | - Vid Šuštar
- Lymphocyte Cytoskeleton Group, Institute of Biomedicine/Pathology, BioCity, University of Turku, Tykistökatu 6B, Turku, SF-20520, Finland.
| | - Judita Lea Krek
- Laboratory of Clinical Biophysics, University of Ljubljana, Faculty of Health Sciences, Zdravstvena pot 5, Ljubljana, SI-1000, Slovenia.
| | - Roman Štukelj
- Laboratory of Clinical Biophysics, University of Ljubljana, Faculty of Health Sciences, Zdravstvena pot 5, Ljubljana, SI-1000, Slovenia.
| | - Metka Šimundić
- Laboratory of Clinical Biophysics, University of Ljubljana, Faculty of Health Sciences, Zdravstvena pot 5, Ljubljana, SI-1000, Slovenia.
| | - Veno Kononenko
- Group of Nanobiology and Nanotoxicology, University of Ljubljana, Biotechnical Faculty, Večna pot 111, Ljubljana, SI-1000, Slovenia.
| | - Darko Makovec
- J. Stefan Institute, Jamova 39, Ljubljana, SI-1000, Slovenia.
| | - Henry Hägerstrand
- Department of Biosciences, BioCity, Åbo Akademi University, BioCity, Artillerigatan 6, Åbo/Turku, SF-20520, Finland.
| | - Damjana Drobne
- Group of Nanobiology and Nanotoxicology, University of Ljubljana, Biotechnical Faculty, Večna pot 111, Ljubljana, SI-1000, Slovenia.
| | - Veronika Kralj-Iglič
- Laboratory of Clinical Biophysics, University of Ljubljana, Faculty of Health Sciences, Zdravstvena pot 5, Ljubljana, SI-1000, Slovenia.
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Singla N, Dhawan DK. Zinc modulates aluminium-induced oxidative stress and cellular injury in rat brain. Metallomics 2014; 6:1941-50. [PMID: 25141099 DOI: 10.1039/c4mt00097h] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Dysregulation of metal homeostasis has been perceived as one of the key factors in the progression of neurodegeneration. Aluminium (Al) has been considered as a major risk factor, which is linked to several neurodegenerative diseases, especially Alzheimer's disease, whereas zinc (Zn) has been reported as a vital dietary element, which regulates a number of physiological processes in central nervous system. The present study was conducted to explore the protective potential of zinc, if any, in ameliorating neurotoxicity induced by aluminium. Male Sprague Dawley rats received either aluminium chloride (AlCl3) orally (100 mg kg(-1) b.wt. per day), zinc sulphate (ZnSO4) at a dose level of 227 mg L(-1) in drinking water or combined treatment of aluminium and zinc for 8 weeks. Aluminium treatment significantly elevated the levels of lipid peroxidation and reactive oxygen species as well as the activities of catalase, superoxide dismutase and glutathione reductase, which however were decreased following Zn co-treatment of Al-treated rats. In contrast, Al treatment decreased the activities of glutathione-S-transferase as well as the levels of reduced glutathione, oxidised glutathione and total glutathione, but co-administration of Zn to Al-treated animals increased these levels. Furthermore, Al treatment caused a significant increase in the levels of Fe and Mn as well as of Al but decreased the Zn and metallothionein levels. In the Zn-supplemented animals, the levels of Al, Fe, Mn were found to be significantly decreased, whereas the levels of metallothionein as well as Zn were increased. Moreover, histopathological alterations such as vacuolization and loss of Purkinje cells were also evident following Al treatment, which showed improvement upon Zn supplementation. Therefore, zinc has the potential to alleviate aluminium-induced neurodegeneration.
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Affiliation(s)
- Neha Singla
- Department of Biophysics, Sector-14, Panjab University, Chandigarh, 160014, India.
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Chi Z, Liu R, You H, Ma S, Cui H, Zhang Q. Probing the in vitro cytotoxicity of the veterinary drug oxytetracycline. PLoS One 2014; 9:e102334. [PMID: 25019386 PMCID: PMC4096727 DOI: 10.1371/journal.pone.0102334] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Accepted: 06/18/2014] [Indexed: 11/19/2022] Open
Abstract
The study investigated the effect of oxytetracycline (OTC) on the anti-oxidative defense system, the structure (hemolysis rate and morphology) and function (ATP enzyme activity) of human red blood cells (hRBCs) to investigate the possible toxic mechanism of OTC to hRBCs. The experimental results indicate that OTC can cause a decline in the function of the antioxidant defense system of hRBCs, resulting in oxidative stress. OTC can bring about morphological changes to hRBCs, and further leads to hemolysis, when the concentration of OTC is over 8×10(-5) M (about 164 µg/ml). At a low OTC concentration, below 4×10(-5) M (82 µg/ml), OTC can enhance the activity of ATP enzyme of hRBCs, known as hormesis. However, at a high concentration, above 4×10(-5) M (about 82 µg/ml), the ATP enzymatic activity was inhibited, affecting the function of hRBCs. The estalished mechanism of toxicity of OTC to hRBCs can facilitate a deeper understanding of the toxicity of OTC in vivo.
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Affiliation(s)
- Zhenxing Chi
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, PR China
- School of Marine Science and Technology, Harbin Institute of Technology at Weihai, Weihai, PR China
| | - Rutao Liu
- School of Environmental Science and Engineering, Shandong University, Jinan, PR China
| | - Hong You
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, PR China
- School of Marine Science and Technology, Harbin Institute of Technology at Weihai, Weihai, PR China
| | - Shanshan Ma
- School of Marine Science and Technology, Harbin Institute of Technology at Weihai, Weihai, PR China
| | - Hao Cui
- School of Marine Science and Technology, Harbin Institute of Technology at Weihai, Weihai, PR China
| | - Qiang Zhang
- School of Marine Science and Technology, Harbin Institute of Technology at Weihai, Weihai, PR China
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Harmaza YM, Slobozhanina EI. Zinc essentiality and toxicity. Biophysical aspects. Biophysics (Nagoya-shi) 2014. [DOI: 10.1134/s0006350914020092] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Revathy T, Saranya R, Jayasri MA, Saurav K, Suthindhiran K. Morphological alterations in erythrocytes treated with silver nanoparticles biomineralized by marine sediment-derived Bacillus sp. VITSSN01. ANN MICROBIOL 2014. [DOI: 10.1007/s13213-013-0773-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
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Šimundić M, Drašler B, Šuštar V, Zupanc J, Štukelj R, Makovec D, Erdogmus D, Hägerstrand H, Drobne D, Kralj-Iglič V. Effect of engineered TiO2 and ZnO nanoparticles on erythrocytes, platelet-rich plasma and giant unilamelar phospholipid vesicles. BMC Vet Res 2013; 9:7. [PMID: 23311901 PMCID: PMC3549938 DOI: 10.1186/1746-6148-9-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2012] [Accepted: 01/08/2013] [Indexed: 01/28/2023] Open
Abstract
Background Massive industrial production of engineered nanoparticles poses questions about health risks to living beings. In order to understand the underlying mechanisms, we studied the effects of TiO2 and ZnO agglomerated engineered nanoparticles (EPs) on erythrocytes, platelet-rich plasma and on suspensions of giant unilamelar phospholipid vesicles. Results Washed erythrocytes, platelet-rich plasma and suspensions of giant unilamelar phospholipid vesicles were incubated with samples of EPs. These samples were observed by different microscopic techniques. We found that TiO2 and ZnO EPs adhered to the membrane of washed human and canine erythrocytes. TiO2 and ZnO EPs induced coalescence of human erythrocytes. Addition of TiO2 and ZnO EPs to platelet-rich plasma caused activation of human platelets after 24 hours and 3 hours, respectively, while in canine erythrocytes, activation of platelets due to ZnO EPs occurred already after 1 hour. To assess the effect of EPs on a representative sample of giant unilamelar phospholipid vesicles, analysis of the recorded populations was improved by applying the principles of statistical physics. TiO2 EPs did not induce any notable effect on giant unilamelar phospholipid vesicles within 50 minutes of incubation, while ZnO EPs induced a decrease in the number of giant unilamelar phospholipid vesicles that was statistically significant (p < 0,001) already after 20 minutes of incubation. Conclusions These results indicate that TiO2 and ZnO EPs cause erythrocyte aggregation and could be potentially prothrombogenic, while ZnO could also cause membrane rupture.
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Affiliation(s)
- Metka Šimundić
- Biomedical Research Group, Faculty of Health Sciences, University of Ljubljana, Ljubljana, Slovenia
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Aluminum enhances the toxic effects of amyloid β-peptide on cell membranes and a molecular model. MONATSHEFTE FUR CHEMIE 2011. [DOI: 10.1007/s00706-011-0471-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Interaction of chromium(III) complexes with model lipid bilayers: Implications on cellular uptake. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2011; 1808:332-40. [DOI: 10.1016/j.bbamem.2010.09.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2010] [Revised: 09/09/2010] [Accepted: 09/20/2010] [Indexed: 11/20/2022]
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