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Kabarkouhi Z, Tadi SH, Mahmoodi H, Ranaei Siadat SO, Arjmand S, Shokri B. Simulation and experimental study of a cold atmospheric pressure plasma and comparison of efficiency in boosting recombinant Endoglucanase II production in Pichia pastoris. PLoS One 2024; 19:e0303795. [PMID: 38771745 PMCID: PMC11108213 DOI: 10.1371/journal.pone.0303795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 04/30/2024] [Indexed: 05/23/2024] Open
Abstract
Recombinant proteins are essential in various industries, and scientists employ genetic engineering and synthetic biology to enhance the host cell's protein production capacity. Stress response pathways have been found effective in augmenting protein secretion. Cold atmospheric pressure plasma (CAP) can induce oxidative stress and enhance protein production. Previous studies have confirmed the applicability of CAP jets on Phytase and green fluorescent protein (GFP) production in Pichia pastoris hosts. This study investigates the effect of CAP treatment on another valuable recombinant protein, Endoglucanase II (EgII), integrated into the Pichia pastoris genome. The results demonstrated that plasma induction via two different ignition modes: sinusoidal alternating current (AC) and pulsed direct current (DC) for 120, 180, and 240 s has boosted protein secretion without affecting cell growth and viability. The AC-driven jet exhibited a higher percentage increase in secretion, up to 45%. Simulation of plasma function using COMSOL software provided a pattern of electron temperature (Te) and density distribution, which determine the plasma cocktail's chemistry and reactive species production. Furthermore, electron density (ne) and temperature were estimated from the recorded optical spectrum. The difference in electron properties may explain the moderately different impressions on expression capability. However, cell engineering to improve secretion often remains a trial-and-error approach, and improvements are, at least partially, specific to the protein produced.
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Affiliation(s)
- Zeinab Kabarkouhi
- Laser and Plasma Research Institute, Shahid Beheshti University, Tehran, Iran
| | | | - Hadi Mahmoodi
- Laser and Plasma Research Institute, Shahid Beheshti University, Tehran, Iran
| | | | - Sareh Arjmand
- Protein Research Center, Shahid Beheshti University, Tehran, Iran
| | - Babak Shokri
- Laser and Plasma Research Institute, Shahid Beheshti University, Tehran, Iran
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2
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Li D, Shen J, Ding Q, Wu J, Chen X. Recent progress of atmospheric and room-temperature plasma as a new and promising mutagenesis technology. Cell Biochem Funct 2024; 42:e3991. [PMID: 38532652 DOI: 10.1002/cbf.3991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 03/11/2024] [Accepted: 03/11/2024] [Indexed: 03/28/2024]
Abstract
At present, atmospheric and room-temperature plasma (ARTP) is regarded as a new and powerful mutagenesis technology with the advantages of environment-friendliness, operation under mild conditions, and fast mutagenesis speed. Compared with traditional mutagenesis strategies, ARTP is used mainly to change the structure of microbial DNA, enzymes, and proteins through a series of physical, chemical, and electromagnetic effects with the organisms, leading to nucleotide breakage, conversion or inversion, causing various DNA damages, so as to screen out the microbial mutants with better biological characteristics. As a result, in recent years, ARTP mutagenesis and the combination of ARTP with traditional mutagenesis have been widely used in microbiology, showing great potential for application. In this review, the recent progress of ARTP mutagenesis in different application fields and bottlenecks of this technology are systematically summarized, with a view to providing a theoretical basis and technical support for better application. Finally, the outlook of ARTP mutagenesis is presented, and we identify the challenges in the field of microbial mutagenesis by ARTP.
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Affiliation(s)
- Dongao Li
- Institute of Plasma Physics, HFIPS, Chinese Academy of Sciences, Low Temperature Plasma Application Laboratory, Hefei, China
- Institutes of Physical Science and Information Technology, Anhui University, Hefei, China
| | - Jie Shen
- Institute of Plasma Physics, HFIPS, Chinese Academy of Sciences, Low Temperature Plasma Application Laboratory, Hefei, China
| | - Qiang Ding
- Yichang Sanxia Pharmaceutical Co., Ltd., Yichang City, Hubei Province, China
| | - Jinyong Wu
- Institute of Plasma Physics, HFIPS, Chinese Academy of Sciences, Low Temperature Plasma Application Laboratory, Hefei, China
| | - Xiangsong Chen
- Institute of Plasma Physics, HFIPS, Chinese Academy of Sciences, Low Temperature Plasma Application Laboratory, Hefei, China
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3
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Fallon M, Kennedy S, Daniels S, Humphreys H. Plasma-activated liquid as a potential decontaminant in healthcare: assessment of antibacterial activity and use with cleaning cloths. J Hosp Infect 2024; 145:218-223. [PMID: 38272125 DOI: 10.1016/j.jhin.2024.01.008] [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: 11/28/2023] [Revised: 12/21/2023] [Accepted: 01/08/2024] [Indexed: 01/27/2024]
Abstract
BACKGROUND Cold air plasma (CAP) can generate plasma-activated liquids (PALs) with high concentrations of reactive oxygen (ROS) and nitrogen species (RNS), e.g., nitrites, with antimicrobial properties. AIM We investigated the concentrations of ROS and RNS in saline PAL. We assessed planktonic bacterial inactivation by PAL and the decontamination of contaminated cleaning cloths. METHODS Phosphate-buffered saline (PBS) was treated with an air-driven CAP jet for 90 or 300 s to generate PAL. The ROS and RNS were measured using quantitative fluorescent (2,7-dichlorofluorescin diacetate) and colourimetric (Greiss) assays. Isolates of MRSA and Escherichia coli were incubated in PAL overnight and inactivation measured through colony forming unit (cfu) assays. Sections of cleaning cloths were incubated with MRSA and E. coli, and treated with PAL for 1 h. Bacterial inactivation was measured through resazurin reduction assays. RESULTS Nitrites increased from 0.1 μM in untreated PBS to 49.1 μM and to 94.0 μM in 90- and 300-s CAP-treated PAL, respectively. ROS increased from 30 μM in untreated PBS to 75 μM and to 103 μM in 90- and 300-s CAP-treated PAL, respectively. 90-s PAL reduced MRSA and E. coli viability (P<0.05) and 300-s PAL resulted in more than a 7-log reduction of both. One-hour treatment of contaminated cleaning cloths in PAL resulted in a 55% and 73% reduction in viable MRSA and E. coli, respectively (P<0.05). CONCLUSION Inactivation of planktonic bacteria correlated with ROS and RNS concentrations. PAL reduced bacteria contaminated cleaning cloths. PAL has potential as a hospital disinfectant, including cleaning cloths.
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Affiliation(s)
- M Fallon
- Department of Clinical Microbiology, Royal College of Surgeons in Ireland University of Medicine and Health Sciences, Dublin, Ireland
| | - S Kennedy
- Department of Clinical Microbiology, Royal College of Surgeons in Ireland University of Medicine and Health Sciences, Dublin, Ireland
| | - S Daniels
- National Centre for Plasma Science and Technology, Dublin City University, Dublin, Ireland
| | - H Humphreys
- Department of Clinical Microbiology, Royal College of Surgeons in Ireland University of Medicine and Health Sciences, Dublin, Ireland.
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Miller V, Clark DS, Mesbah A. Ammonia Retention in Biowaste via Low-Temperature-Plasma-Synthesized Nitrogen Oxyacids: Toward Sustainable Upcycling of Animal Waste. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2024; 12:2621-2631. [PMID: 38389902 PMCID: PMC10880101 DOI: 10.1021/acssuschemeng.3c06423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 01/09/2024] [Accepted: 01/09/2024] [Indexed: 02/24/2024]
Abstract
Sustainable fertilizer production is a pressing challenge due to a growing human population. The manufacture of synthetic nitrogen fertilizer involves intensive emissions of greenhouse gases. The synthetic nitrogen that ends up in biowaste such as animal waste perturbs the nitrogen cycle through significant nitrogen losses in the form of ammonia volatilization, a major human health and environmental hazard. Low-temperature air-plasma treatment of animal waste holds promise for sustainable fertilizer production on farmlands by enabling nitrogen fixation via ionization, forming nitrogen oxyacids. Although the formation of nitrogen oxyacids in plasma treatment of water is well-established, the extent of nitrogen oxyanion enrichment in animal waste and its downstream effects on acidifying the waste remain elusive because many compounds found in complex biowaste media may interfere with absorbed NOx species. This work aims to establish that plasma treatment of dairy manure can suppress ammonia loss by volatilization via acidification of animal waste while enriching the waste in total nitrogen due to nitrogen retained in ammonia as well as adding nitrogen oxyacids by reacting NOx with the aqueous slurry. To this end, air-plasma effluent containing NOx is bubbled through dairy manure, which is then analyzed for changes in the nitrogen oxyanion content and pH. Increasing the plasma treatment time results in more acidic manure, reduced ammonium content in the downstream acid trap, and increased nitrogen oxyanion content, where the yield of nitrogen oxyanion from absorbed NOx species is approximately 100%. Increased plasma treatment also led to an increase in the total Kjeldahl nitrogen and the total nitrogen. These results indicate that plasma treatment of animal waste can significantly suppress ammonia pollution from animal husbandry facilities such as dairy farms while upcycling animal waste as a rich organic source of nitrogen.
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Affiliation(s)
- Victor
V. Miller
- Department of Chemical and
Biomolecular Engineering, University of
California, Berkeley, California 94720, United States
| | - Douglas S. Clark
- Department of Chemical and
Biomolecular Engineering, University of
California, Berkeley, California 94720, United States
| | - Ali Mesbah
- Department of Chemical and
Biomolecular Engineering, University of
California, Berkeley, California 94720, United States
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Kim BC, Rana JN, Choi EH, Han I. Improvement of transdermal absorption rate by nonthermal biocompatible atmospheric pressure plasma. Drug Metab Pharmacokinet 2024; 54:100536. [PMID: 38081105 DOI: 10.1016/j.dmpk.2023.100536] [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: 06/08/2023] [Revised: 10/16/2023] [Accepted: 10/28/2023] [Indexed: 02/06/2024]
Abstract
Nonthermal biocompatible plasma (NBP) is a promising option for improving medication absorption into the human skin. Currently, most plasma devices for cosmetics employ a floating-electrode plasma source for treating the skin. Human skin serves as the ground electrode in the floating-electrode plasma discharge, and discharge occurs between the skin and electrodes of the device. In this in vitro study, we aimed to evaluate the effect of NBP on the skin permeation of niacinamide. We have quantified the transdermal absorption rates of niacinamide in both untreated skin and skin treated with NBP for a duration of 10 s. The absorption of niacinamide for both without and with NBP treatment was observed until 12 h incubation time. Without plasma treatment, the human skin exhibited stable and low transdermal absorption of niacinamide up to 12 h. However, the NBP treatment significantly increased the transdermal absorption of niacinamide from 0.5 h to 6 h and continuously increased skin penetration over a duration of more than 12 h incubation period. The obtained results suggest that NBP-treated human skin showed a 60-fold higher penetration rate than non-treated skin. The increased penetration rate of niacinamide can be mainly attributed to plasmaporation subsequent to NBP treatment. The findings of this study demonstrate that NBP treatment results in remarkable skin permeability, making it a promising candidate for both cosmetic and pharmaceutical delivery applications.
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Affiliation(s)
- Byoung-Choul Kim
- Department of Plasma Bio Display (PDP), Kwangwoon University, Seoul, 01897, South Korea
| | - Juie Nahushkumar Rana
- Department of Plasma Bio Display (PDP), Kwangwoon University, Seoul, 01897, South Korea; Plasma Bioscience Research Center (PBRC), Kwangwoon University, Seoul, 01897, South Korea
| | - Eun Ha Choi
- Department of Plasma Bio Display (PDP), Kwangwoon University, Seoul, 01897, South Korea; Plasma Bioscience Research Center (PBRC), Kwangwoon University, Seoul, 01897, South Korea; Department of Electrical and Biological Physics, Kwangwoon University, Seoul, 01897, South Korea.
| | - Ihn Han
- Department of Plasma Bio Display (PDP), Kwangwoon University, Seoul, 01897, South Korea; Plasma Bioscience Research Center (PBRC), Kwangwoon University, Seoul, 01897, South Korea.
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Jo A, Joh HM, Bae JH, Kim SJ, Chung JW, Chung TH. Plasma-Activated Media Produced by a Microwave-Excited Atmospheric Pressure Plasma Jet Is Effective against Cisplatin-Resistant Human Bladder Cancer Cells In Vitro. Int J Mol Sci 2024; 25:1249. [PMID: 38279247 PMCID: PMC10816804 DOI: 10.3390/ijms25021249] [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: 12/16/2023] [Revised: 01/09/2024] [Accepted: 01/17/2024] [Indexed: 01/28/2024] Open
Abstract
Media exposed to atmospheric pressure plasma (APP) produce reactive oxygen and nitrogen species (RONS), with hydrogen peroxide (H2O2), nitrite (NO2-), and nitrate (NO3-) being among the most detected species due to their relatively long lifetime. In this study, a standardized microwave-excited (ME) APP jet (APPJ) source was employed to produce gaseous RONS to treat liquid samples. The source was a commercially available plasma jet, which generated argon plasma utilizing a coaxial transmission line resonator at the operating frequency of 2.45 GHz. An ultraviolet-visible spectrophotometer was used to measure the concentrations of H2O2 and NO3- in plasma-activated media (PAM). Three different types of media (deionized water, Hank's balanced salt solution, and cell culture solution Dulbecco's modified eagles medium [DMEM]) were utilized as liquid samples. Among these media, the plasma-treated DMEM was observed to have the highest levels of H2O2 and NO3-. Subsequently, the feasibility of using argon ME-APPJ-activated DMEM (PAM) as an adjuvant to enhance the therapeutic effects of cisplatin on human bladder cancer cells (T-24) was investigated. Various cancer cell lines, including T-24 cells, treated with PAM were observed in vitro for changes in cell viability using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay. A viability reduction was detected in the various cancer cells after incubation in PAM. Furthermore, the study's results revealed that PAM was effective against cisplatin-resistant T-24 cells in vitro. In addition, a possible connection between HER expression and cell viability was sketched.
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Affiliation(s)
- Ara Jo
- Department of Biological Sciences, Dong-A University, Busan 49315, Republic of Korea;
| | - Hea-Min Joh
- Department of Physics, Dong-A University, Busan 49315, Republic of Korea (J.-H.B.); (S.-J.K.)
| | - Jin-Hee Bae
- Department of Physics, Dong-A University, Busan 49315, Republic of Korea (J.-H.B.); (S.-J.K.)
| | - Sun-Ja Kim
- Department of Physics, Dong-A University, Busan 49315, Republic of Korea (J.-H.B.); (S.-J.K.)
| | - Jin-Woong Chung
- Department of Biological Sciences, Dong-A University, Busan 49315, Republic of Korea;
| | - Tae-Hun Chung
- Department of Physics, Dong-A University, Busan 49315, Republic of Korea (J.-H.B.); (S.-J.K.)
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7
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Bekeschus S. Gas plasmas technology: from biomolecule redox research to medical therapy. Biochem Soc Trans 2023; 51:2071-2083. [PMID: 38088441 DOI: 10.1042/bst20230014] [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: 11/06/2023] [Revised: 11/23/2023] [Accepted: 11/24/2023] [Indexed: 12/21/2023]
Abstract
Physical plasma is one consequence of gas ionization, i.e. its dissociation of electrons and ions. If operated in ambient air containing oxygen and nitrogen, its high reactivity produces various reactive oxygen and nitrogen species (RONS) simultaneously. Technology leap innovations in the early 2010s facilitated the generation of gas plasmas aimed at clinics and operated at body temperature, enabling their potential use in medicine. In parallel, their high potency as antimicrobial agents was systematically discovered. In combination with first successful clinical trials, this led in 2013 to the clinical approval of first medical gas plasma devices in Europe for promoting the healing of chronic and infected wounds and ulcers in dermatology. While since then, thousands of patients have benefited from medical gas plasma therapy, only the appreciation of the critical role of gas plasma-derived RONS led to unraveling first fragments of the mechanistic basics of gas plasma-mediated biomedical effects. However, drawing the complete picture of effectors and effects is still challenging. This is because gas plasma-produced RONS not only show a great variety of dozens of types but also each of them having distinct spatio-temporal concentration profiles due to their specific half-lives and reactivity with other types of RONS as well as different types of (bio) molecules they can react with. However, this makes gas plasmas fascinating and highly versatile tools for biomolecular redox research, especially considering that the technical capacity of increasing and decreasing individual RONS types holds excellent potential for tailoring gas plasmas toward specific applications and disease therapies.
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Affiliation(s)
- Sander Bekeschus
- ZIK Plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Str. 2, 17489 Greifswald, Germany
- Clinic and Policlinic of Dermatology and Venerology, Rostock University Medical Center, Strempelstr. 13, 18057 Rostock, Germany
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8
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Punthi F, Yudhistira B, Gavahian M, Chang CK, Husnayain N, Hou CY, Yu CC, Hsieh CW. Optimization of Plasma Activated Water Extraction of Pleurotus ostreatus Polysaccharides on Its Physiochemical and Biological Activity Using Response Surface Methodology. Foods 2023; 12:4347. [PMID: 38231788 DOI: 10.3390/foods12234347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 11/27/2023] [Accepted: 11/30/2023] [Indexed: 01/19/2024] Open
Abstract
This study focused on optimizing the extraction of P. ostreatus polysaccharides (POPs) using plasma-activated water (PAW). A single factor and response surface methodology were employed to optimize and evaluate the polysaccharide yield, physiochemical characteristics, and biological activities of POPs. The observed findings were compared to those obtained by the conventional hot water extraction method (100 °C, 3 h), as the control treatment. The optimal extraction conditions were obtained at 700 W PAW power, 58 s treatment time, 1:19 sample-to-water ratio, and 15 L/min gas flow rate. In these conditions, the PAW-treated samples experienced changes in surface morphology due to plasma etching, leading to a 288% increase in the polysaccharide yield (11.67%) compared to the control sample (3.01%). Furthermore, the PAW-treated sample exhibited superior performance in terms of biological activities, namely phenolic compounds (53.79 mg GAE/100 g), DPPH scavenging activity (72.77%), and OH scavenging activity (65.03%), which were 29%, 18%, and 38% higher than those of control sample, respectively. The results highlighted the importance of process optimization and provided new evidence for PAW as an alternative approach to enhance the extraction efficiency of POPs, a novel source of natural antioxidants which enables diverse applications in the food industry.
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Affiliation(s)
- Fuangfah Punthi
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung City 40227, Taiwan
| | - Bara Yudhistira
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung City 40227, Taiwan
- Department of Food Science and Technology, Sebelas Maret University, Surakarta City 57126, Indonesia
| | - Mohsen Gavahian
- Department of Food Science, National Pingtung University of Science and Technology, Pingtung City 91201, Taiwan
| | - Chao-Kai Chang
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung City 40227, Taiwan
| | - Naila Husnayain
- International Master Program of Agriculture, National Chung Hsing University, Taichung City 40227, Taiwan
| | - Chih-Yao Hou
- Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan
| | - Cheng-Chia Yu
- Institute of Oral Sciences, Chung Shan Medical University, Taichung City 40201, Taiwan
- Department of Dentistry, Chung Shan Medical University Hospital, Taichung City 40201, Taiwan
| | - Chang-Wei Hsieh
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung City 40227, Taiwan
- Department of Medical Research, China Medical University Hospital, Taichung City 40402, Taiwan
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9
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Cheng YC, Chang KW, Pan JH, Chen CY, Chou CH, Tu HF, Li WC, Lin SC. Cold Atmospheric Plasma Jet Irradiation Decreases the Survival and the Expression of Oncogenic miRNAs of Oral Carcinoma Cells. Int J Mol Sci 2023; 24:16662. [PMID: 38068984 PMCID: PMC10705903 DOI: 10.3390/ijms242316662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 11/17/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023] Open
Abstract
Despite recent advancements, therapies against advanced oral squamous cell carcinoma (OSCC) remain ineffective, resulting in unsatisfactory therapeutic outcomes. Cold atmospheric plasma (CAP) offers a promising approach in the treatment of malignant neoplasms. Although the effects of CAP in abrogating OSCC have been explored, the exact mechanisms driving CAP-induced cancer cell death and the changes in microRNA (miRNA) expression are not fully understood. We fabricated and calibrated an argon-CAP device to explore the effects of CAP irradiation on the growth and expression of oncogenic miRNAs in OSCC. The analysis revealed that, in OSCC cell lines following CAP irradiation, there was a significant reduction in viability; a downregulation of miR-21, miR-31, miR-134, miR-146a, and miR-211 expression; and an inactivation of the v-akt murine thymoma viral oncogene homolog (AKT) and extracellular signal-regulated kinase (ERK) signals. Pretreatment with blockers of apoptosis, autophagy, and ferroptosis synergistically reduced CAP-induced cell death, indicating a combined induction of variable death pathways via CAP. Combined treatments using death inhibitors and miRNA mimics, alongside the activation of AKT and ERK following the exogenous expression, counteracted the cell mortality associated with CAP. The CAP-induced downregulation of miR-21, miR-31, miR-187, and miR-211 expression was rescued through survival signaling. Additionally, CAP irradiation notably inhibited the growth of SAS OSCC cell xenografts on nude mice. The reduced expression of oncogenic miRNAs in vivo aligned with in vitro findings. In conclusion, our study provides new lines of evidence demonstrating that CAP irradiation diminishes OSCC cell viability by abrogating survival signals and oncogenic miRNA expression.
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Affiliation(s)
- Yun-Chien Cheng
- Department of Mechanical Engineering, College of Engineering, National Yang Ming Chiao Tung University, Hsinchu 300093, Taiwan; (Y.-C.C.); (C.-Y.C.)
- Institute of Oral Biology, College of Dentistry, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan; (K.-W.C.); (J.-H.P.); (C.-H.C.); (H.-F.T.); (W.-C.L.)
| | - Kuo-Wei Chang
- Institute of Oral Biology, College of Dentistry, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan; (K.-W.C.); (J.-H.P.); (C.-H.C.); (H.-F.T.); (W.-C.L.)
- Department of Dentistry, College of Dentistry, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
- Department of Stomatology, Taipei Veterans General Hospital, Taipei 112304, Taiwan
| | - Jian-Hua Pan
- Institute of Oral Biology, College of Dentistry, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan; (K.-W.C.); (J.-H.P.); (C.-H.C.); (H.-F.T.); (W.-C.L.)
| | - Chao-Yu Chen
- Department of Mechanical Engineering, College of Engineering, National Yang Ming Chiao Tung University, Hsinchu 300093, Taiwan; (Y.-C.C.); (C.-Y.C.)
| | - Chung-Hsien Chou
- Institute of Oral Biology, College of Dentistry, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan; (K.-W.C.); (J.-H.P.); (C.-H.C.); (H.-F.T.); (W.-C.L.)
| | - Hsi-Feng Tu
- Institute of Oral Biology, College of Dentistry, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan; (K.-W.C.); (J.-H.P.); (C.-H.C.); (H.-F.T.); (W.-C.L.)
- Department of Dentistry, College of Dentistry, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
| | - Wan-Chun Li
- Institute of Oral Biology, College of Dentistry, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan; (K.-W.C.); (J.-H.P.); (C.-H.C.); (H.-F.T.); (W.-C.L.)
- Department of Dentistry, College of Dentistry, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
| | - Shu-Chun Lin
- Institute of Oral Biology, College of Dentistry, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan; (K.-W.C.); (J.-H.P.); (C.-H.C.); (H.-F.T.); (W.-C.L.)
- Department of Dentistry, College of Dentistry, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
- Department of Stomatology, Taipei Veterans General Hospital, Taipei 112304, Taiwan
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10
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Tornín J, Gallego B, Rey V, Murillo D, Huergo C, Rodríguez A, Canal C, Rodríguez R. Cold plasma-treated medium preferentially eliminates doxorubicin-resistant osteosarcoma cells. Free Radic Biol Med 2023; 209:127-134. [PMID: 37844652 DOI: 10.1016/j.freeradbiomed.2023.10.394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 10/11/2023] [Accepted: 10/13/2023] [Indexed: 10/18/2023]
Abstract
Osteosarcoma (OS) is an aggressive bone cancer with poor prognosis, largely due to the limited effectiveness of current treatments such as doxorubicin (DX). Developing ways to overcome DX resistance is a significant clinical challenge. Here, we used two DX-resistant models to study the potential of Cold Plasma Treated Medium (PTM) to prevent DX resistance in OS. During the acquisition of the resistant phenotype upon long-term DX exposure, OS resistant cells became less proliferative, overexpressed the drug resistance-related efflux pump MDR1 and displayed a concomitant loss of SOD2 or GPX1. According to the reduced expression of these antioxidant enzymes, PTM treatment produced higher levels of oxidative express and was more effective in eradicating DX-resistant cells. Moreover, PTM reduced the expression of MDR1, thus sensitizing resistant cells to DX. These findings uncover new vulnerabilities of DX-resistant cells related with their inability to cope with excessive oxidative stress and their dependence on MDR1 that can be exploited using PTM-based treatments to provide new therapeutic approaches for the management of drug resistance in OS.
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Affiliation(s)
- Juan Tornín
- Sarcomas and Experimental Therapeutics Laboratory, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Hospital Universitario Central de Asturias, Avenida de Roma, s/n, 33011, Oviedo, Spain; Instituto Universitario de Oncología del Principado de Asturias, 33011, Oviedo, Spain.
| | - Borja Gallego
- Sarcomas and Experimental Therapeutics Laboratory, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Hospital Universitario Central de Asturias, Avenida de Roma, s/n, 33011, Oviedo, Spain; Instituto Universitario de Oncología del Principado de Asturias, 33011, Oviedo, Spain
| | - Verónica Rey
- Sarcomas and Experimental Therapeutics Laboratory, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Hospital Universitario Central de Asturias, Avenida de Roma, s/n, 33011, Oviedo, Spain; Instituto Universitario de Oncología del Principado de Asturias, 33011, Oviedo, Spain; CIBER en oncología (CIBERONC), 28029, Madrid, Spain
| | - Dzohara Murillo
- Sarcomas and Experimental Therapeutics Laboratory, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Hospital Universitario Central de Asturias, Avenida de Roma, s/n, 33011, Oviedo, Spain; Instituto Universitario de Oncología del Principado de Asturias, 33011, Oviedo, Spain
| | - Carmen Huergo
- Sarcomas and Experimental Therapeutics Laboratory, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Hospital Universitario Central de Asturias, Avenida de Roma, s/n, 33011, Oviedo, Spain; Instituto Universitario de Oncología del Principado de Asturias, 33011, Oviedo, Spain
| | - Aida Rodríguez
- Sarcomas and Experimental Therapeutics Laboratory, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Hospital Universitario Central de Asturias, Avenida de Roma, s/n, 33011, Oviedo, Spain; Instituto Universitario de Oncología del Principado de Asturias, 33011, Oviedo, Spain
| | - Cristina Canal
- Biomaterials, Biomechanics and Tissue Engineering Group, Materials Science and Engineering Department, Research Center for Biomedical Engineering, Universitat Politècnica de Catalunya·BarcelonaTECH (UPC), Escola d'Enginyeria Barcelona Est (EEBE), C/Eduard Maristany 14, 08019, Barcelona, Spain; Institut de Recerca Sant Joan de Déu, 08034, Barcelona, Spain; Barcelona Research Center in Multiscale Science and Engineering, UPC, 08019, Barcelona, Spain.
| | - René Rodríguez
- Sarcomas and Experimental Therapeutics Laboratory, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Hospital Universitario Central de Asturias, Avenida de Roma, s/n, 33011, Oviedo, Spain; Instituto Universitario de Oncología del Principado de Asturias, 33011, Oviedo, Spain; CIBER en oncología (CIBERONC), 28029, Madrid, Spain.
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11
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Mir S, Kooshki S. Innovative Method for Water-in-Oil Emulsion Treatment Using Atmospheric Nonthermal-Plasma Technology. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:14459-14473. [PMID: 37734063 DOI: 10.1021/acs.langmuir.3c02268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
The field of plasma-liquid interactions is rapidly growing, with increasing publications across applications. While plasma's interactions with water and oil have been researched, there is a notable gap in the study of plasma-emulsion interactions and their practical applications. Investigating plasma-emulsion interactions offers a dual advantage, as demonstrated in this study, as it is applicable to both water/oil separation and emulsion stabilization processes. This study introduces a groundbreaking approach utilizing the fountain dielectric barrier discharge (FDBD) plasma reactor. The reactor exposes a model emulsion to different plasma gases, such as air, nitrogen, argon, and ammonia, along with varying parameters of plasma input voltage and treatment time. Consequently, due to demulsification, the emulsion segregates into distinct water and oil phases. Remarkably, the results demonstrate that short-term plasma treatment leads to the separation of over 99% of emulsified water. However, prolonged exposure to plasma for around 7 min reveals a decrease in the volume of free-separated water, implying the occurrence of stable emulsion formation instead of further demulsification. To optimize experimental conditions for compliance with regulatory requirements, the study employs the response surface methodology (RSM). Adapting pH and separation contours in three-dimensional (3D) RSM plots shows that achieving higher separation is likely associated with higher pH levels in air, nitrogen, and argon plasmas. Notably, the plasma treatment involving ammonia gas elevates the pH level and yields the highest degree of separation compared with air, nitrogen, or argon plasmas.
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Affiliation(s)
- Sonia Mir
- Department of Chemical Engineering, Amirkabir University of Technology (Tehran Polytechnic), 424 Hafez Avenue, Tehran 15875-4413, Iran
| | - Saeed Kooshki
- Division of Environmental Physics, Faculty of Mathematics, Physics, and Informatics, Comenius University, Mlynská dolina F2, Bratislava 842 48, Slovakia
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12
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Tornín J, Mateu-Sanz M, Rey V, Murillo D, Huergo C, Gallego B, Rodríguez A, Rodríguez R, Canal C. Cold plasma and inhibition of STAT3 selectively target tumorigenicity in osteosarcoma. Redox Biol 2023; 62:102685. [PMID: 36989573 PMCID: PMC10074989 DOI: 10.1016/j.redox.2023.102685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/15/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023] Open
Abstract
Osteosarcoma (OS) is a malignant type of bone cancer that arises in periods of increased bone formation. Curative strategies for these types of tumors have remained essentially unchanged for decades and the overall survival for most advanced cases is still dismally low. This is in part due to the existence of drug resistant Cancer Stem Cells (CSC) with progenitor properties that are responsible for tumor relapse and metastasis. In the quest for therapeutic alternatives for OS, Cold Atmospheric Plasmas and Plasma-Treated Liquids (PTL) have come to the limelight as a source of Reactive Oxygen and Nitrogen Species displaying selectivity towards a variety of cancer cell lines. However, their effects on CSC subpopulations and in vivo tumor growth have been barely studied to date. By employing bioengineered 3D tumor models and in vivo assays, here we show that low doses of PTL increase the levels of pro-stemness factors and the self-renewal ability of OS cells, coupled to an enhanced in vivo tumor growth potential. This could have critical implications to the field. By proposing a combined treatment, our results demonstrate that the deleterious pro-stemness signals mediated by PTL can be abrogated when this is combined with the STAT3 inhibitor S3I-201, resulting in a strong suppression of in vivo tumor growth. Overall, our study unveils an undesirable stem cell-promoting function of PTL in cancer and supports the use of combinatorial strategies with STAT3 inhibitors as an efficient treatment for OS avoiding critical side effects. We anticipate our work to be a starting point for wider studies using relevant 3D tumor models to evaluate the effects of plasma-based therapies on tumor subpopulations of different cancer types. Furthermore, combination with STAT3 inhibition or other suitable cancer type-specific targets can be relevant to consolidate the development of the field.
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13
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Živanić M, Espona‐Noguera A, Lin A, Canal C. Current State of Cold Atmospheric Plasma and Cancer-Immunity Cycle: Therapeutic Relevance and Overcoming Clinical Limitations Using Hydrogels. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2205803. [PMID: 36670068 PMCID: PMC10015903 DOI: 10.1002/advs.202205803] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 11/27/2022] [Indexed: 05/19/2023]
Abstract
Cold atmospheric plasma (CAP) is a partially ionized gas that gains attention as a well-tolerated cancer treatment that can enhance anti-tumor immune responses, which are important for durable therapeutic effects. This review offers a comprehensive and critical summary on the current understanding of mechanisms in which CAP can assist anti-tumor immunity: induction of immunogenic cell death, oxidative post-translational modifications of the tumor and its microenvironment, epigenetic regulation of aberrant gene expression, and enhancement of immune cell functions. This should provide a rationale for the effective and meaningful clinical implementation of CAP. As discussed here, despite its potential, CAP faces different clinical limitations associated with the current CAP treatment modalities: direct exposure of cancerous cells to plasma, and indirect treatment through injection of plasma-treated liquids in the tumor. To this end, a novel modality is proposed: plasma-treated hydrogels (PTHs) that can not only help overcome some of the clinical limitations but also offer a convenient platform for combining CAP with existing drugs to improve therapeutic responses and contribute to the clinical translation of CAP. Finally, by integrating expertise in biomaterials and plasma medicine, practical considerations and prospective for the development of PTHs are offered.
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Affiliation(s)
- Milica Živanić
- BiomaterialsBiomechanics and Tissue Engineering GroupDepartment of Materials Science and EngineeringEscola d'Enginyeria Barcelona Est (EEBE)and Research Centre for Biomedical Engineering (CREB)Universitat Politècnica de Catalunya (UPC)c/Eduard Maristany 14Barcelona08019Spain
- Biomaterials and Tissue EngineeringInstitut de Recerca Sant Joan de DéuSanta Rosa 39–57Esplugues de Llobregat08950Spain
- Plasma Lab for Applications in Sustainability and Medicine‐Antwerp (PLASMANT)Department of ChemistryUniversity of AntwerpUniversiteitsplein 1Wilrijk‐Antwerp2610Belgium
| | - Albert Espona‐Noguera
- BiomaterialsBiomechanics and Tissue Engineering GroupDepartment of Materials Science and EngineeringEscola d'Enginyeria Barcelona Est (EEBE)and Research Centre for Biomedical Engineering (CREB)Universitat Politècnica de Catalunya (UPC)c/Eduard Maristany 14Barcelona08019Spain
- Biomaterials and Tissue EngineeringInstitut de Recerca Sant Joan de DéuSanta Rosa 39–57Esplugues de Llobregat08950Spain
| | - Abraham Lin
- Plasma Lab for Applications in Sustainability and Medicine‐Antwerp (PLASMANT)Department of ChemistryUniversity of AntwerpUniversiteitsplein 1Wilrijk‐Antwerp2610Belgium
- Center for Oncological Research (CORE)Integrated Personalized & Precision Oncology Network (IPPON)University of AntwerpUniversiteitsplein 1Wilrijk‐Antwerp2610Belgium
| | - Cristina Canal
- BiomaterialsBiomechanics and Tissue Engineering GroupDepartment of Materials Science and EngineeringEscola d'Enginyeria Barcelona Est (EEBE)and Research Centre for Biomedical Engineering (CREB)Universitat Politècnica de Catalunya (UPC)c/Eduard Maristany 14Barcelona08019Spain
- Biomaterials and Tissue EngineeringInstitut de Recerca Sant Joan de DéuSanta Rosa 39–57Esplugues de Llobregat08950Spain
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14
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Effect of Nanosecond Pulsed Currents on Directions of Cell Elongation and Migration through Time-Lapse Analysis. Int J Mol Sci 2023; 24:ijms24043826. [PMID: 36835235 PMCID: PMC9967925 DOI: 10.3390/ijms24043826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/09/2023] [Accepted: 02/10/2023] [Indexed: 02/17/2023] Open
Abstract
It is generally known that cells elongate perpendicularly to an electric field and move in the direction of the field when an electric field is applied. We have shown that irradiation of plasma-simulated nanosecond pulsed currents elongates cells, but the direction of cell elongation and migration has not been elucidated. In this study, a new time-lapse observation device that can apply nanosecond pulsed currents to cells was constructed, and software to analyze cell migration was created to develop a device that can sequentially observe cell behavior. The results showed nanosecond pulsed currents elongate cells but do not affect the direction of elongation and migration. It was also found the behavior of cells changes depending on the conditions of the current application.
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15
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Gott RP, Engeling KW, Olson J, Franco C. Plasma activated water: a study of gas type, electrode material, and power supply selection and the impact on the final frontier. Phys Chem Chem Phys 2023; 25:5130-5145. [PMID: 36722991 DOI: 10.1039/d2cp03489a] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
An in-depth study of plasma activated water (PAW) generation was conducted to link changes in power supply, electrode material, input gas, and treatment time to the resulting reaction chemistry, all while maintaining a consistent electrode geometry. These changes in chemistry can help tailor PAW for different space applications. An AC, DC, and nanosecond pulsed power supply were each used to generate PAW with stainless steel, copper, tungsten, or platinum electrodes while utilizing air, nitrogen, carbon dioxide, helium, or argon as the feed gas. Tap or deionized (DI) water was treated for 1 to 15 minutes, and the generated PAW was tested for changes in pH, conductivity, and concentration of nitrates, nitrites, and ammonium. Calculations indicated that the production of reactive nitrogen species was the leading cause of the pH and conductivity changes. The DC generated air plasma, with a voltage between 2.5-3.14 kV and currents of 85-100 mA, was able to reduce the pH of DI water to 2.88 and generate 128 ppm of nitrates. The AC supply was less effective, producing a pH of 4.22 for DI water and 5 ppm of nitrates. The pulsed supply, operating at 20% of the input power of the DC supply, lowered the pH to 3.34 and generated 26 ppm of nitrates. When a simulated Martian gas mixture of 95% CO2 and 5% N2 was used as the feed gas, 24.8 ppm and 3.82 ppm of nitrates were generated with the DC and pulsed supplies, respectively.
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Affiliation(s)
- Ryan P Gott
- NASA Postdoctoral Program, Kennedy Space Center, Florida, USA.
| | | | - Joel Olson
- Southeastern Universities Research Association, Kennedy Space Center, Florida, USA
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16
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Influence of a transient spark plasma discharge on producing high molecular masses of chemical products from L-cysteine. Sci Rep 2023; 13:2059. [PMID: 36739465 PMCID: PMC9899256 DOI: 10.1038/s41598-023-28736-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 01/24/2023] [Indexed: 02/06/2023] Open
Abstract
Cold atmospheric pressure plasmas are considered a forthcoming method in many research areas. Plasma modification of biomolecules has received much attention in addition to plasma-treated biomaterials. Hence, in this work, we operated a transient spark plasma (TSP) discharge to study its effect on the L-cysteine chemical structure. the TSP was configured in a pin-to-ring electrode arrangement and flowed by Ar gas. We also investigated the effect of two chemicals; dimethyl sulfoxide (DMSO) and hydrogen peroxide (H2O2) by the bubbling method to show how they can change the creation of new chemical bioproducts. Ultraviolet-Visible absorption spectroscopy, Fourier transform infrared spectroscopy and Liquid chromatography-mass spectroscopy were used to investigate any changes in chemical bonds of cysteine structure and to depict the generation of new biomolecules. Based on the displayed results plasma-generated reactive species had a great role in the chemical structure of the cysteine. Entering DMSO and H2O2 into the plasma caused the creation of new products and the heaviest biomolecule was produced by the simultaneous addition of DMSO and H2O2. The results also predicted that some chemical products and amino acids with a higher value molecular masse produced from the polymerization process of cysteine solution. The strong oxidation process is responsible for the heavy chemical compounds.
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17
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Exploring the Use of Cold Atmospheric Plasma to Overcome Drug Resistance in Cancer. Biomedicines 2023; 11:biomedicines11010208. [PMID: 36672716 PMCID: PMC9855365 DOI: 10.3390/biomedicines11010208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 01/11/2023] [Indexed: 01/17/2023] Open
Abstract
Drug resistance is a major problem in cancer treatment, as it limits the effectiveness of pharmacological agents and can lead to disease progression. Cold atmospheric plasma (CAP) is a technology that uses ionized gas (plasma) to generate reactive oxygen and nitrogen species (RONS) that can kill cancer cells. CAP is a novel approach for overcoming drug resistance in cancer. In recent years, there has been a growing interest in using CAP to enhance the effectiveness of chemotherapy drugs. In this review, we discuss the mechanisms behind this phenomenon and explore its potential applications in cancer treatment. Going through the existing literature on CAP and drug resistance in cancer, we highlight the challenges and opportunities for further research in this field. Our review suggests that CAP could be a promising option for overcoming drug resistance in cancer and warrants further investigation.
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18
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Sebastian A, Lipa D, Ptasinska S. DNA Strand Breaks and Denaturation as Probes of Chemical Reactivity versus Thermal Effects of Atmospheric Pressure Plasma Jets. ACS OMEGA 2023; 8:1663-1670. [PMID: 36643434 PMCID: PMC9835636 DOI: 10.1021/acsomega.2c07262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 12/19/2022] [Indexed: 06/17/2023]
Abstract
An atmospheric pressure plasma jet (APPJ) is being advanced as an alternative radiation type that offers excellent efficacy in an array of medical applications against specific biological targets such as DNA. This work explores the possibility of implementing DNA and its damage as a probe for specific plasma diagnostics such as reactive plasma species formation and transient local heating. We analyzed both APPJ characteristics based on the detection of plasma-induced strand breaks and DNA denaturation. Further, we implemented a machine learning model based on artificial neural networks to predict the type and extent of DNA damage for a given combination of APPJ parameter values. This methodology is an important step toward deciphering and explaining the potential adverse effects of APPJ on biological samples of any prospective interest in medicine.
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Affiliation(s)
- Amal Sebastian
- Radiation
Laboratory, University of Notre Dame, Notre Dame, Indiana 46556, United States
- Department
of Physics and Astronomy, University of
Notre Dame, Notre Dame, Indiana 46556, United States
| | - Daniel Lipa
- Radiation
Laboratory, University of Notre Dame, Notre Dame, Indiana 46556, United States
- Department
of Applied and Computational Mathematics and Statistics, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Sylwia Ptasinska
- Radiation
Laboratory, University of Notre Dame, Notre Dame, Indiana 46556, United States
- Department
of Physics and Astronomy, University of
Notre Dame, Notre Dame, Indiana 46556, United States
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19
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Clemen R, Arlt K, Miebach L, von Woedtke T, Bekeschus S. Oxidized Proteins Differentially Affect Maturation and Activation of Human Monocyte-Derived Cells. Cells 2022; 11:cells11223659. [PMID: 36429087 PMCID: PMC9688260 DOI: 10.3390/cells11223659] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/11/2022] [Accepted: 11/16/2022] [Indexed: 11/19/2022] Open
Abstract
In cancer, antigen-presenting cells (APC), including dendritic cells (DCs), take up and process proteins to mount adaptive antitumor immune responses. This often happens in the context of inflamed cancer, where reactive oxygen species (ROS) are ubiquitous to modify proteins. However, the inflammatory consequences of oxidized protein uptake in DCs are understudied. To this end, we investigated human monocyte-derived cell surface marker expression and cytokine release profiles when exposed to oxidized and native proteins. Seventeen proteins were analyzed, including viral proteins (e.g., CMV and HBV), inflammation-related proteins (e.g., HO1 and HMGB1), matrix proteins (e.g., Vim and Coll), and vastly in the laboratory used proteins (e.g., BSA and Ova). The multifaceted nature of inflammation-associated ROS was mimicked using gas plasma technology, generating reactive species cocktails for protein oxidation. Fourteen oxidized proteins led to elevated surface marker expression levels of CD25, CD40, CD80, CD86, and MHC-II as well as strongly modified release of IL6, IL8, IL10, IL12, IL23, MCP-1, and TNFα compared to their native counterparts. Especially IL8, heme oxygenase 2, and vimentin oxidation gave pronounced effects. Furthermore, protein kinase phospho-array studies in monocyte-derived cells pulsed with native vs. oxidized IL8 and insulin showed enhanced AKT and RSK2 phosphorylation. In summary, our data provide for the first time an overview of the functional consequences of oxidized protein uptake by human monocyte-derived cells and could therefore be a starting point for exploiting such principle in anticancer therapy in the future.
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Affiliation(s)
- Ramona Clemen
- ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Str. 2, 17489 Greifswald, Germany
| | - Kevin Arlt
- ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Str. 2, 17489 Greifswald, Germany
| | - Lea Miebach
- ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Str. 2, 17489 Greifswald, Germany
- Department of General, Thoracic, Vascular, and Visceral Surgery, Greifswald University Medical Center, Ferdinand-Sauerbruch-Str., 17475 Greifswald, Germany
| | - Thomas von Woedtke
- ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Str. 2, 17489 Greifswald, Germany
- Institute for Hygiene and Environmental Medicine, Greifswald University Medical Center, Ferdinand-Sauerbruch-Str., 17475 Greifswald, Germany
| | - Sander Bekeschus
- ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Str. 2, 17489 Greifswald, Germany
- Correspondence:
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20
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Bactericidal effects of low-temperature atmospheric-pressure air plasma jets with no damage to plant nutrient solutions. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2022.108661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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21
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Clemen R, Arlt K, von Woedtke T, Bekeschus S. Gas Plasma Protein Oxidation Increases Immunogenicity and Human Antigen-Presenting Cell Maturation and Activation. Vaccines (Basel) 2022; 10:1814. [PMID: 36366323 PMCID: PMC9698879 DOI: 10.3390/vaccines10111814] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/24/2022] [Accepted: 10/24/2022] [Indexed: 08/06/2023] Open
Abstract
Protein vaccines rely on eliciting immune responses. Inflammation is a prerequisite for immune responses to control infection and cancer but is also associated with disease onset. Reactive oxygen species (ROSs) are central during inflammation and are capable of inducing non-enzymatic oxidative protein modifications (oxMods) associated with chronic disease, which alter the functionality or immunogenicity of proteins that are relevant in cancer immunotherapy. Specifically, antigen-presenting cells (APCs) take up and degrade extracellular native and oxidized proteins to induce adaptive immune responses. However, it is less clear how oxMods alter the protein's immunogenicity, especially in inflammation-related short-lived reactive species. Gas plasma technology simultaneously generates a multitude of ROSs to modify protein antigens in a targeted and controlled manner to study the immunogenicity of oxMods. As model proteins relevant to chronic inflammation and cancer, we used gas plasma-treated insulin and CXCL8. We added those native or oxidized proteins to human THP-1 monocytes or primary monocyte-derived cells (moDCs). Both oxidized proteins caused concentration-independent maturation phenotype alterations in moDCs and THP-1 cells concerning surface marker expression and chemokine and cytokine secretion profiles. Interestingly, concentration-matched H2O2-treated proteins did not recapitulate the effects of gas plasma, suggesting sufficiently short diffusion distances for the short-lived reactive species to modify proteins. Our data provide evidence of dendric cell maturation and activation upon exposure to gas plasma- but not H2O2-modified model proteins. The biological consequences of these findings need to be elucidated in future inflammation and cancer disease models.
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22
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Dharini M, Jaspin S, Mahendran R. Cold plasma reactive species: Generation, properties, and interaction with food biomolecules. Food Chem 2022; 405:134746. [DOI: 10.1016/j.foodchem.2022.134746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 10/16/2022] [Accepted: 10/23/2022] [Indexed: 11/30/2022]
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23
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Ahmadi M, Nasri Z, von Woedtke T, Wende K. d-Glucose Oxidation by Cold Atmospheric Plasma-Induced Reactive Species. ACS OMEGA 2022; 7:31983-31998. [PMID: 36119990 PMCID: PMC9475618 DOI: 10.1021/acsomega.2c02965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 08/16/2022] [Indexed: 06/15/2023]
Abstract
The glucose oxidation cascade is fascinating; although oxidation products have high economic value, they can manipulate the biological activity through posttranslational modification such as glycosylation of proteins, lipids, and nucleic acids. The concept of this work is based on the ability of reactive species induced by cold atmospheric plasma (CAP) in aqueous liquids and the corresponding gas-liquid interface to oxidize biomolecules under ambient conditions. Here, we report the oxidation of glucose by an argon-based dielectric barrier discharge plasma jet (kINPen) with a special emphasis on examining the reaction pathway to pinpoint the most prominent reactive species engaged in the observed oxidative transformation. Employing d-glucose and d-glucose-13C6 solutions and high-resolution mass spectrometry and ESI-tandem MS/MS spectrometry techniques, the occurrence of glucose oxidation products, for example, aldonic acids and aldaric acids, glucono- and glucaro-lactones, as well as less abundant sugar acids including ribonic acid, arabinuronic acid, oxoadipic acid, 3-deoxy-ribose, glutaconic acid, and glucic acid were surveyed. The findings provide deep insights into CAP chemistry, reflecting a switch of reactive species generation with the feed gas modulation (Ar or Ar/O2 with N2 curtain gas). Depending on the gas phase composition, a combination of oxygen-derived short-lived hydroxyl (•OH)/atomic oxygen [O(3P)] radicals was found responsible for the glucose oxidation cascade. The results further illustrate that the presence of carbohydrates in cell culture media, gel formulations (agar), or other liquid targets (juices) modulate the availability of CAP-generated species in vitro. In addition, a glycocalyx is attached to many mammalian proteins, which is essential for the respective physiologic role. It might be questioned if its oxidation plays a role in CAP activity.
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Affiliation(s)
- Mohsen Ahmadi
- Leibniz
Institute for Plasma Science and Technology (INP Greifswald), Center
for Innovation Competence (ZIK) plasmatis, Felix-Hausdorff-Straße 2, Greifswald 17489, Germany
| | - Zahra Nasri
- Leibniz
Institute for Plasma Science and Technology (INP Greifswald), Center
for Innovation Competence (ZIK) plasmatis, Felix-Hausdorff-Straße 2, Greifswald 17489, Germany
| | - Thomas von Woedtke
- Leibniz
Institute for Plasma Science and Technology (INP Greifswald), Center
for Innovation Competence (ZIK) plasmatis, Felix-Hausdorff-Straße 2, Greifswald 17489, Germany
- Leibniz
Institute for Plasma Science and Technology (INP Greifswald), Felix-Hausdorff-Straße 2, Greifswald 17489, Germany
- University
Medicine Greifswald, Institute for Hygiene and Environmental Medicine, Walther-Rathenau-Straße 49A, Greifswald 17489, Germany
| | - Kristian Wende
- Leibniz
Institute for Plasma Science and Technology (INP Greifswald), Center
for Innovation Competence (ZIK) plasmatis, Felix-Hausdorff-Straße 2, Greifswald 17489, Germany
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24
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Gangemi S, Petrarca C, Tonacci A, Di Gioacchino M, Musolino C, Allegra A. Cold Atmospheric Plasma Targeting Hematological Malignancies: Potentials and Problems of Clinical Translation. Antioxidants (Basel) 2022; 11:antiox11081592. [PMID: 36009311 PMCID: PMC9405440 DOI: 10.3390/antiox11081592] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 08/10/2022] [Accepted: 08/14/2022] [Indexed: 11/16/2022] Open
Abstract
Cold atmospheric plasma is an ionized gas produced near room temperature; it generates reactive oxygen species and nitrogen species and induces physical changes, including ultraviolet, radiation, thermal, and electromagnetic effects. Several studies showed that cold atmospheric plasma could effectively provoke death in a huge amount of cell types, including neoplastic cells, via the induction of apoptosis, necrosis, and autophagy. This technique seems able to destroy tumor cells by disturbing their more susceptible redox equilibrium with respect to normal cells, but it is also able to cause immunogenic cell death by enhancing the immune response, to decrease angiogenesis, and to provoke genetic and epigenetics mutations. Solutions activated by cold gas plasma represent a new modality for treatment of less easily reached tumors, or hematological malignancies. Our review reports on accepted knowledge of cold atmospheric plasma’s effect on hematological malignancies, such as acute and chronic myeloid leukemia and multiple myeloma. Although relevant progress was made toward understanding the underlying mechanisms concerning the efficacy of cold atmospheric plasma in hematological tumors, there is a need to determine both guidelines and safety limits that guarantee an absence of long-term side effects.
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Affiliation(s)
- Sebastiano Gangemi
- Unit of Allergy and Clinical Immunology, Department of Clinical and Experimental Medicine, School of Allergy and Clinical Immunology, University of Messina, 98125 Messina, Italy
| | - Claudia Petrarca
- Department of Medicine and Aging Sciences, G. D’Annunzio University, 66100 Chieti, Italy
- Center for Advanced Studies and Technology, G. D’Annunzio University, 66100 Chieti, Italy
- Correspondence:
| | - Alessandro Tonacci
- Clinical Physiology Institute, National Research Council of Italy (IFC-CNR), 56124 Pisa, Italy
| | - Mario Di Gioacchino
- Department of Medicine and Aging Sciences, G. D’Annunzio University, 66100 Chieti, Italy
- Institute for Clinical Immunotherapy and Advanced Biological Treatments, 65100 Pescara, Italy
| | - Caterina Musolino
- Division of Hematology, Department of Human Pathology in Adulthood and Childhood “Gaetano Barresi”, University of Messina, 98125 Messina, Italy
| | - Alessandro Allegra
- Division of Hematology, Department of Human Pathology in Adulthood and Childhood “Gaetano Barresi”, University of Messina, 98125 Messina, Italy
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Jo A, Joh HM, Bae JH, Kim SJ, Chung TH, Chung JW. Plasma activated medium prepared by a bipolar microsecond-pulsed atmospheric pressure plasma jet array induces mitochondria-mediated apoptosis in human cervical cancer cells. PLoS One 2022; 17:e0272805. [PMID: 35939492 PMCID: PMC9359560 DOI: 10.1371/journal.pone.0272805] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 07/26/2022] [Indexed: 11/19/2022] Open
Abstract
Plasma activated medium (PAM) was prepared by a bipolar microsecond-pulsed atmospheric pressure plasma jet (APPJ) array source and was utilized for cancer cell treatment. APPJ array-produced plasma were characterized. APPJ array treatment of three different solutions (deionized water (DW), HBSS (serum-free Hanks’ balanced salt solution), and DMEM (Dulbecco’s Modified Eagle Medium) + 10% FBS (fetal bovine serum)) were performed to induce the changes in the concentration of reactive oxygen and nitrogen species (RONS) as functions of the operating parameters. Human cervical cancer cells (HeLa) injected with plasma-treated media were investigated for changes in cell viability using MTT assay. It was observed that PAM-induced ROS can regulate the protein expression associated with mitochondria, and PAM causes apoptosis through Cyto C/JNK/p38 signaling on human cervical cancer cells.
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Affiliation(s)
- Ara Jo
- Department of Biological Sciences, Dong-A University, Busan, Korea
| | - Hea Min Joh
- Department of Physics, Dong-A University, Busan, Korea
| | - Jin Hee Bae
- Department of Physics, Dong-A University, Busan, Korea
| | - Sun Ja Kim
- Department of Physics, Dong-A University, Busan, Korea
| | - Tae Hun Chung
- Department of Physics, Dong-A University, Busan, Korea
- * E-mail: (THC); (JWC)
| | - Jin Woong Chung
- Department of Biological Sciences, Dong-A University, Busan, Korea
- * E-mail: (THC); (JWC)
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de Melo TF, Rocha LC, Silva RP, Pessoa RS, Negreiros AMP, Sales Júnior R, Tavares MB, Alves Junior C. Plasma–Saline Water Interaction: A Systematic Review. MATERIALS 2022; 15:ma15144854. [PMID: 35888319 PMCID: PMC9324451 DOI: 10.3390/ma15144854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 06/28/2022] [Accepted: 07/08/2022] [Indexed: 11/16/2022]
Abstract
Plasma–liquid interaction research has developed substantially in recent years due, mostly, to the numerous applications of cold atmospheric plasma (CAP). Plasma–liquid interactions are influenced by the concentrations of the ionic species present in the liquid environment, and few studies have paid attention to saline water, which generally mediates the reactions in many plasma applications. Therefore, the present review aims to explore the main results and the influence of variables on the modification of properties of saline water by CAP sources following the guidelines of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). The searches were carried out in the Scopus, Science Direct, and Web of Science databases, resulting in the inclusion of 37 studies. The main effects of the interaction between CAP and saline water are (i) the production of reactive oxygen and nitrogen species (RONS); (ii) the increase in conductivity and decrease in pH, directly proportional to the increase in discharge voltage; (iii) and the effective area of interaction and the shortest distance between electrode and solution. Other effects are the localized evaporation and crystallization of salts, which make the interaction between plasma and saline water a promising field in the development of technologies for desalination and improvement of liquid properties.
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Affiliation(s)
- Tatiane Fonseca de Melo
- Laboratorio de Plasma Aplicação na Agricultura, Departamento de Ciências Exatas e Naturais, Saúde e Meio Ambiente—Labplasma, Universidade Federal Rural do Semiárido, Mossoró 59625-900, Brazil; (L.C.R.); (R.P.S.); (C.A.J.)
- Correspondence:
| | - Lucas Cabral Rocha
- Laboratorio de Plasma Aplicação na Agricultura, Departamento de Ciências Exatas e Naturais, Saúde e Meio Ambiente—Labplasma, Universidade Federal Rural do Semiárido, Mossoró 59625-900, Brazil; (L.C.R.); (R.P.S.); (C.A.J.)
| | - Rútilo Pereira Silva
- Laboratorio de Plasma Aplicação na Agricultura, Departamento de Ciências Exatas e Naturais, Saúde e Meio Ambiente—Labplasma, Universidade Federal Rural do Semiárido, Mossoró 59625-900, Brazil; (L.C.R.); (R.P.S.); (C.A.J.)
| | - Rodrigo Sávio Pessoa
- Laboratório de Plasmas e Processos, Instituto Tecnológico de Aeronáutica, São José dos Campos 12228-900, Brazil;
| | - Andreia Mitsa Paiva Negreiros
- Departamento de Ciências Agronômicas e Florestais, Universidade Federal Rural do Semi-Árido, Mossoro 59625-900, Brazil; (A.M.P.N.); (R.S.J.); (M.B.T.)
| | - Rui Sales Júnior
- Departamento de Ciências Agronômicas e Florestais, Universidade Federal Rural do Semi-Árido, Mossoro 59625-900, Brazil; (A.M.P.N.); (R.S.J.); (M.B.T.)
| | - Moisés Bento Tavares
- Departamento de Ciências Agronômicas e Florestais, Universidade Federal Rural do Semi-Árido, Mossoro 59625-900, Brazil; (A.M.P.N.); (R.S.J.); (M.B.T.)
| | - Clodomiro Alves Junior
- Laboratorio de Plasma Aplicação na Agricultura, Departamento de Ciências Exatas e Naturais, Saúde e Meio Ambiente—Labplasma, Universidade Federal Rural do Semiárido, Mossoró 59625-900, Brazil; (L.C.R.); (R.P.S.); (C.A.J.)
- Programa de Pós-Graduação em Engenharia Mecânica, Universidade Federal do Rio Grande do Norte, Natal 59078-970, Brazil
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Shojaei E, Zare S, Shirkavand A, Eslami E, Fathollah S, Mansouri P. Biophysical evaluation of treating adipose tissue-derived stem cells using non-thermal atmospheric pressure plasma. Sci Rep 2022; 12:11127. [PMID: 35778444 PMCID: PMC9249766 DOI: 10.1038/s41598-022-14763-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 06/13/2022] [Indexed: 01/23/2023] Open
Abstract
Non-thermal atmospheric pressure plasma (NTAPP) is a partially ionized gas containing fast electrons and relatively slow ions. This study aims to investigate the influences of NTAPP on human adipose tissue-derived stem cells (ADSCs) and examine the feasibility of using optical spectroscopy as a non-destructive method for cell analysis. A plasma jet is used as the source of low-temperature plasma in which pure helium gas is ionized by a high voltage (8 kV) and frequency (6 kHz). ADSCs were exposed to the NTAPP for 30 s, 60 s, 90 s, and 120 s. The efficiency of the plasma treatment was investigated using flow cytometry and optical spectroscopy methods. This study compared surface markers of NTAPP treated and untreated ADSCs using CD90 and CD105 as positive markers. The result proved that NTAPP-exposed ADSCs maintain their stemming. Measuring ADSCS apoptosis by labeling Annexin V-Propidium Iodide showed that the plasma at short exposure time is relatively non-toxic. However, a longer exposure time can lead to apoptosis and necrosis. Moreover, Cell cycle analysis revealed that NTAPP accelerates the cell cycle in very low doses and can cause proliferation. In this experiment, flow cytometry measurements have been used to determine oxidative stress. The results showed that with increasing plasma dose, intracellular ROS levels reduced. This data also suggests that intracellular ROS are not responsible for the cells' viability. Furthermore, we used reflectance spectroscopy as a non-destructive method for evaluating treatment response and comparing this method with cell analysis techniques. The results indicate spectroscopy's efficiency as a method of cell analysis. This study suggests that NTAPP would be an efficient tool to improve ADSCs culture's efficiency in vitro; thus, we support the potential applications of NTAPP in the field of stem cell therapy and regenerative medicine.
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Affiliation(s)
- Elham Shojaei
- School of Physics, Iran University of Science and Technology, Tehran, Iran
| | - Sona Zare
- Skin and Stem Cell Research Center, Tehran University of Medical Sciences, Tehran, Iran
- Laser Application in Medical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Afshan Shirkavand
- Medical Lasers Research Group, Medical Laser Research Center (MLRC), Yara Institute, ACECR, Tehran, Iran
| | - Esmaeil Eslami
- Département Des Sciences Appliquées, Université du Québec À Chicoutimi (UQAC), Saguenay, QC, G7H 2B1, Canada
| | - Sara Fathollah
- Faculty of Physics and Energy Engineering, Amirkabir University of Technology, P. O. Box, Tehran, 15875-4413, Iran
| | - Parvin Mansouri
- Medical Lasers Research Group, Medical Laser Research Center (MLRC), Yara Institute, ACECR, Tehran, Iran.
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Human Trial for the Effect of Plasma-Activated Water Spray on Vaginal Cleaning in Patients with Bacterial Vaginosis. Med Sci (Basel) 2022; 10:medsci10020033. [PMID: 35736353 PMCID: PMC9227462 DOI: 10.3390/medsci10020033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 05/03/2022] [Accepted: 06/16/2022] [Indexed: 11/18/2022] Open
Abstract
Underwater plasma discharge temporally produces several reactive radicals and/or free chlorine molecules in water, which is responsible for antimicrobial activity. Hence, it can simply sanitize tap water without disinfectant treatment. Additionally, the spraying technique using cleaning water exploits deep application in the narrow and curved vaginal tract of patients. Herein, we attempted a clinical trial to evaluate the vaginal cleaning effect of spraying plasma-activated water (PAW) to patients with vaginitis (46 patients). The efficacy was compared with treatment with betadine antiseptics used to treat bacterial vaginosis (40 patients). To evaluate the cleaning effect, Gram staining of the vaginal secretions was conducted before and after spraying PAW or betadine treatment (BT). Consequently, PAW-sprayed (PAWS) patients (22.3%) showed a better vaginal cleaning effect against Gram-positive and -negative bacteria than BT patients (14.4%). Moreover, 18 patients in the BT group showed worsened vaginal contamination, whereas five patients in the PAWS group showed worsened vaginal contamination. Taken together, the noncontact method of spraying cleaning water to the vagina exhibited a reliable vaginal cleaning effect without further bacterial infection compared with BT. Therefore, we suggest a clinical application of the spraying method using PAW for vaginal cleaning to patients with vaginitis without disinfectants and antibiotics.
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Solé-Martí X, Vilella T, Labay C, Tampieri F, Ginebra MP, Canal C. Thermosensitive hydrogels to deliver reactive species generated by cold atmospheric plasma: a case study with methylcellulose. Biomater Sci 2022; 10:3845-3855. [PMID: 35678531 DOI: 10.1039/d2bm00308b] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Hydrogels have been recently proposed as suitable materials to generate reactive oxygen and nitrogen species (RONS) upon gas-plasma treatment, and postulated as promising alternatives to conventional cancer therapies. Acting as delivery vehicles that allow a controlled release of RONS to the diseased site, plasma-treated hydrogels can overcome some of the limitations presented by plasma-treated liquids in in vivo therapies. In this work, we optimized the composition of a methylcellulose (MC) hydrogel to confer it with the ability to form a gel at physiological temperatures while remaining in the liquid phase at room temperature to allow gas-plasma treatment with suitable formation of plasma-generated RONS. MC hydrogels demonstrated the capacity for generation, prolonged storage and release of RONS. This release induced cytotoxic effects on the osteosarcoma cancer cell line MG-63, reducing its cell viability in a dose-response manner. These promising results postulate plasma-treated thermosensitive hydrogels as good candidates to provide local anticancer therapies.
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Affiliation(s)
- Xavi Solé-Martí
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, and Research Centre for Biomedical Engineering (CREB), Universitat Politècnica de Catalunya (UPC), c/Eduard Maristany 14, 08019 Barcelona, Spain. .,Barcelona Research Center in Multiscale Science and Engineering, UPC, 08019 Barcelona, Spain.,Institut de Recerca Sant Joan de Déu, Santa Rosa 39-57, 08950 Esplugues de Llobregat, Spain
| | - Tània Vilella
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, and Research Centre for Biomedical Engineering (CREB), Universitat Politècnica de Catalunya (UPC), c/Eduard Maristany 14, 08019 Barcelona, Spain. .,Barcelona Research Center in Multiscale Science and Engineering, UPC, 08019 Barcelona, Spain
| | - Cédric Labay
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, and Research Centre for Biomedical Engineering (CREB), Universitat Politècnica de Catalunya (UPC), c/Eduard Maristany 14, 08019 Barcelona, Spain. .,Barcelona Research Center in Multiscale Science and Engineering, UPC, 08019 Barcelona, Spain.,Institut de Recerca Sant Joan de Déu, Santa Rosa 39-57, 08950 Esplugues de Llobregat, Spain
| | - Francesco Tampieri
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, and Research Centre for Biomedical Engineering (CREB), Universitat Politècnica de Catalunya (UPC), c/Eduard Maristany 14, 08019 Barcelona, Spain. .,Barcelona Research Center in Multiscale Science and Engineering, UPC, 08019 Barcelona, Spain.,Institut de Recerca Sant Joan de Déu, Santa Rosa 39-57, 08950 Esplugues de Llobregat, Spain
| | - Maria-Pau Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, and Research Centre for Biomedical Engineering (CREB), Universitat Politècnica de Catalunya (UPC), c/Eduard Maristany 14, 08019 Barcelona, Spain. .,Barcelona Research Center in Multiscale Science and Engineering, UPC, 08019 Barcelona, Spain.,Institute for Bioengineering of Catalonia (IBEC), Barcelona Institute of Science and Technology (BIST), c/Baldiri i Reixach 10-12, 08028 Barcelona, Spain
| | - Cristina Canal
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, and Research Centre for Biomedical Engineering (CREB), Universitat Politècnica de Catalunya (UPC), c/Eduard Maristany 14, 08019 Barcelona, Spain. .,Barcelona Research Center in Multiscale Science and Engineering, UPC, 08019 Barcelona, Spain.,Institut de Recerca Sant Joan de Déu, Santa Rosa 39-57, 08950 Esplugues de Llobregat, Spain
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Plasma-Activated Water for Food Safety and Quality: A Review of Recent Developments. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19116630. [PMID: 35682216 PMCID: PMC9180626 DOI: 10.3390/ijerph19116630] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 05/23/2022] [Accepted: 05/26/2022] [Indexed: 11/17/2022]
Abstract
Plasma-activated water (PAW) has received a lot of attention lately because of its antibacterial efficacy and eco-friendly nature. Compared to traditional disinfectants, this novel and intriguing option has a high disinfectant capacity while causing little to no modifications to the foodstuffs. Until now, PAW has successfully demonstrated its effectiveness against a broad range of microorganisms on a wide variety of food items. Though the efficacy of PAW in microbial reduction has been extensively reviewed, a relatively significant issue of food quality has been largely overlooked. This review aims to summarize the current studies on the physicochemical characteristics and antimicrobial potential of PAW, with an in-depth focus on food quality and safety. According to recent studies, PAW can be a potential microbial disinfectant that extends the shelf life of various food products, such as meat and fish products, fruits and vegetables, cereal products, etc. However, the efficacy varies with treatment conditions and the food ingredients applied. There is a mixed opinion about the effect of PAW on food quality. Based on the available literature, it can be concluded that there has been no substantial change in the biochemical properties of most of the tested food products. However, some fruits and vegetables had a higher value for the enzyme superoxide dismutase (SOD) after PAW treatment, while only a few demonstrated a decrease in the Thiobarbituric acid reactive substances (TBARS) value. Sensory properties also showed no significant difference, with some exceptions in meat and fish products.
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Milhan NVM, Chiappim W, Sampaio ADG, Vegian MRDC, Pessoa RS, Koga-Ito CY. Applications of Plasma-Activated Water in Dentistry: A Review. Int J Mol Sci 2022; 23:ijms23084131. [PMID: 35456947 PMCID: PMC9029124 DOI: 10.3390/ijms23084131] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 04/05/2022] [Accepted: 04/06/2022] [Indexed: 12/12/2022] Open
Abstract
The activation of water by non-thermal plasma creates a liquid with active constituents referred to as plasma-activated water (PAW). Due to its active constituents, PAW may play an important role in different fields, such as agriculture, the food industry and healthcare. Plasma liquid technology has received attention in recent years due to its versatility and good potential, mainly focused on different health care purposes. This interest has extended to dentistry, since the use of a plasma–liquid technology could bring clinical advantages, compared to direct application of non-thermal atmospheric pressure plasmas (NTAPPs). The aim of this paper is to discuss the applicability of PAW in different areas of dentistry, according to the published literature about NTAPPs and plasma–liquid technology. The direct and indirect application of NTAPPs are presented in the introduction. Posteriorly, the main reactors for generating PAW and its active constituents with a role in biomedical applications are specified, followed by a section that discusses, in detail, the use of PAW as a tool for different oral diseases.
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Affiliation(s)
- Noala Vicensoto Moreira Milhan
- Oral Biopathology Graduate Program, São José dos Campos Institute of Science & Technology, São Paulo State University, UNESP, São Paulo 12245-000, Brazil; (A.d.G.S.); (M.R.d.C.V.); (C.Y.K.-I.)
- Correspondence: ; Tel.: +55-12-991851206
| | - William Chiappim
- Plasma and Processes Laboratory, Department of Physics, Aeronautics Institute of Technology, Praça Marechal Eduardo Gomes 50, São José dos Campos 12228-900, Brazil; (W.C.); (R.S.P.)
| | - Aline da Graça Sampaio
- Oral Biopathology Graduate Program, São José dos Campos Institute of Science & Technology, São Paulo State University, UNESP, São Paulo 12245-000, Brazil; (A.d.G.S.); (M.R.d.C.V.); (C.Y.K.-I.)
| | - Mariana Raquel da Cruz Vegian
- Oral Biopathology Graduate Program, São José dos Campos Institute of Science & Technology, São Paulo State University, UNESP, São Paulo 12245-000, Brazil; (A.d.G.S.); (M.R.d.C.V.); (C.Y.K.-I.)
| | - Rodrigo Sávio Pessoa
- Plasma and Processes Laboratory, Department of Physics, Aeronautics Institute of Technology, Praça Marechal Eduardo Gomes 50, São José dos Campos 12228-900, Brazil; (W.C.); (R.S.P.)
| | - Cristiane Yumi Koga-Ito
- Oral Biopathology Graduate Program, São José dos Campos Institute of Science & Technology, São Paulo State University, UNESP, São Paulo 12245-000, Brazil; (A.d.G.S.); (M.R.d.C.V.); (C.Y.K.-I.)
- Department of Environment Engineering, São José dos Campos Institute of Science & Technology, São Paulo State University, UNESP, São Paulo 12247-016, Brazil
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Atmospheric pressure plasma jet-mouse skin interaction: Mitigation of damages by liquid interface and gas flow control. Biointerphases 2022; 17:021004. [PMID: 35360909 DOI: 10.1116/6.0001596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The possible benefits of an atmospheric pressure plasma jet skin treatment have been tested in vivo on mouse skin. Many studies have been conducted in vitro on mouse skin cells, but only a few in vivo where, due to the complexity of the biological system, plasma can cause severe damages. For this reason, we investigated how kHz plasma generated in a jet that is known to inflict skin damage interacts with mouse skin and explored how we can reduce the skin damage. First, the focus was on exploring plasma effects on skin damage formation with different plasma gases and jet inclinations. The results pointed to the perpendicular orientation of a He plasma jet as the most promising condition with the least skin damage. Then, the skin damage caused by a He plasma jet was explored, focusing on damage mitigation with different liquid interfaces applied to the treatment site, adding N2 to the gas mixture, or alternating the gas flow dynamics by elongating the jet's glass orifice with a funnel. All these mitigations proved highly efficient, but the utmost benefits for skin damage reduction were connected to skin temperature reduction, the reduction in reactive oxygen species (ROS), and the increase in reactive nitrogen species (RNS).
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Effects of tempering with plasma-activated water on total plate count and quality properties of wheat flour. J Cereal Sci 2022. [DOI: 10.1016/j.jcs.2022.103468] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Cold Atmospheric Plasma, Platelet-Rich Plasma, and Nitric Oxide Synthesis Inhibitor: Effects Investigation on an Experimental Model on Rats. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12020590] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The evolution of reconstructive methods for defects of the human body cannot yet replace the use of flap surgery. Research is still preoccupied with the ideal techniques for offering the best chances of survival of the flaps. In our study, we investigated the effects of cold atmospheric plasma (CAP), N-nitro-L-arginine methyl ester (L-NAME), and platelet-rich plasma (PRP) injectable solutions on flap survival using an in vivo model. Twenty-four Wistar rats (four groups) had the McFarlane flap raised and CAP, L-NAME, and PRP substances tested through a single dose subcutaneous injection. The control group had only a saline solution injected. To the best of our knowledge, this is the first study that evaluated a CAP activated solution through injection on flaps. The flap survival rate was determined by clinical examination (photography documented), hematology, thermography, and anatomopathological tests. The image digital analysis performed on the flaps showed that the necrosis area (control—49.64%) was significantly lower for the groups with the three investigated solutions: CAP (14.47%), L-NAME (18.2%), and PRP (23.85%). Thermography exploration revealed less ischemia than the control group on the CAP, L-NAME, and PRP groups as well. Anatomopathological data noted the best degree of angiogenesis on the CAP group, with similar findings on the L-NAME and PRP treated flaps. The blood work did not indicate infection or a strong inflammatory process in any of the subjects. Overall, the study shows that the CAP activated solution has a similar (better) impact on the necrosis rate (compared with other solutions with known effects) when injected on the modified dorsal rat skin flap, and on top of that it can be obtained fast, in unlimited quantities, non-invasively, and through a standardized process.
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Hui WL, Perrotti V, Piattelli A, Ostrikov KK, Fang Z, Quaranta A. Cold atmospheric plasma coupled with air abrasion in liquid medium for the treatment of peri-implantitis model grown with a complex human biofilm: an in vitro study. Clin Oral Investig 2021; 25:6633-6642. [PMID: 33893556 PMCID: PMC8602208 DOI: 10.1007/s00784-021-03949-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 04/13/2021] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Treatment of implants with peri-implantitis is often unsuccessful due to residual microbial biofilm hindering re-osseointegration. The aim of this study was to treat biofilm-grown titanium (Ti) implants with different modalities involving air abrasion (AA) and cold atmospheric plasma (CAP) to compare the effectiveness in surface decontamination and the alteration/preservation of surface topography. MATERIALS AND METHODS Saliva collected from a peri-implantitis patient was used to in vitro develop human biofilm over 35 implants with moderately rough surface. The implants were then mounted onto standardized acrylic blocks simulating peri-implantitis defects and treated with AA (erythritol powder), CAP in a liquid medium, or a combination (COM) of both modalities. The remaining biofilm was measured by crystal violet (CV). Surface features and roughness before and after treatment were assessed by scanning electron microscope (SEM). The data were statistically analyzed using Kruskal-Wallis followed by Tukey's multiple comparison test. RESULTS In the present peri-implantitis model, the human complex biofilm growth was successful as indicated by the statistical significance between the negative and positive controls. All the treatment groups resulted in a remarkable implant surface decontamination, with values very close to the negative control for AA and COM. Indeed, statistically significant differences in the comparison between the positive control vs. all the treatment groups were found. SEM analysis showed no post-treatment alterations on the implant surface in all the groups. CONCLUSIONS Decontamination with AA delivering erythritol with or without CAP in liquid medium demonstrated compelling efficacy in the removal of biofilm from implants. All the tested treatments did not cause qualitative alterations to the Ti surface features. No specific effects of the CAP were observed, although further studies are necessary to assess its potential as monotherapy with different settings or in combination with other decontamination procedures. CLINICAL RELEVANCE CAP is a promising option in the treatment of peri-implantitis because it has potential to improve the elimination of bacterial plaque from implant surfaces, in inaccessible pockets or during open-flap debridement, and should stimulate the process of the re-osseointegration of affected dental implants by not altering surface features and roughness.
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Affiliation(s)
- Wang Lai Hui
- Smile Specialists Suite, Newcastle, NSW, Australia
- Formerly, School of Dentistry and Oral Health, Griffith University, Gold Coast, Queensland, Australia
| | - Vittoria Perrotti
- Department of Medical, Oral and Biotechnological Sciences (DSMOB), University of Chieti-Pescara, Via dei vestini, 31, 66100, Chieti, Italy.
| | - Adriano Piattelli
- Department of Medical, Oral and Biotechnological Sciences (DSMOB), University of Chieti-Pescara, Via dei vestini, 31, 66100, Chieti, Italy
| | - Kostya Ken Ostrikov
- School of Chemistry and Physics, Queensland University of Technology, Brisbane, Queensland, 4000, Australia
| | - Zhi Fang
- College of Electrical Engineering and Control Science, Nanjing Tech University, Nanjing, 210009, China
| | - Alessandro Quaranta
- Smile Specialists Suite, Newcastle, NSW, Australia
- Formerly, School of Dentistry and Oral Health, Griffith University, Gold Coast, Queensland, Australia
- Sydney Dental Hospital, Sydney, NSW, Australia
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Sremački I, Kos Š, Bošnjak M, Jurov A, Serša G, Modic M, Leys C, Cvelbar U, Nikiforov A. Plasma Damage Control: From Biomolecules to Cells and Skin. ACS APPLIED MATERIALS & INTERFACES 2021; 13:46303-46316. [PMID: 34569240 DOI: 10.1021/acsami.1c12232] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The antibacterial and cell-proliferative character of atmospheric pressure plasma jets (APPJs) helps in the healing process of chronic wounds. However, control of the plasma-biological target interface remains an open issue. High vacuum ultraviolet/ultraviolet (VUV/UV) radiation and RONS flux from plasma may cause damage of a treated tissue; therefore, controlled interaction is essential. VUV/UV emission from argon APPJs and radiation control with aerosol injection in plasma effluent is the focus of this research. The aerosol effect on radiation is studied by a fluorescent target capable of resolving the plasma oxidation footprint. In addition, DNA damage is evaluated by plasmid DNA radiation assay and cell proliferation assay to assess safety aspects of the plasma jet, the effect of VUV/UV radiation, and its control with aerosol injection. Inevitable emission of VUV/UV radiation from plasmas during treatment is demonstrated in this work. Plasma has no antiproliferative effect on fibroblasts in short treatments (t < 60 s), while long exposure has a cytotoxic effect, resulting in decreased cell survival. Radiation has no effect on cell survival in the medium due to absorption. However, a strong cytotoxic effect on the attached fibroblasts without the medium is apparent. VUV/UV radiation contributes 70% of the integral plasma effect in induction of single- and double-strand DNA breaks and cytotoxicity of the attached cells without the medium. Survival of the attached cells increases by 10% when aerosol is introduced between plasma and the cells. Injection of aerosol in the plasma effluent can help to control the plasma-cell/tissue interaction. Aerosol droplets in the effluent partially absorb UV emission from the plasma, limiting photon flux in the direction of the biological target. Herein, cold and safe plasma-aerosol treatment and a safe operational mode of treatment are demonstrated in a murine model.
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Affiliation(s)
- Ivana Sremački
- Department of Applied Physics, Ghent University, Sint-Pietersnieuwstraat 41, Gent 9000, Belgium
| | - Špela Kos
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloska 2, Ljubljana 1000, Slovenia
| | - Maša Bošnjak
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloska 2, Ljubljana 1000, Slovenia
| | - Andrea Jurov
- Jožef Stefan Institute, Jamova cesta 39, Ljubljana 1000, Slovenia
- Jožef Stefan International Postgraduate School, Jamova cesta 39, Ljubljana 1000, Slovenia
| | - Gregor Serša
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloska 2, Ljubljana 1000, Slovenia
| | - Martina Modic
- Jožef Stefan Institute, Jamova cesta 39, Ljubljana 1000, Slovenia
| | - Christophe Leys
- Department of Applied Physics, Ghent University, Sint-Pietersnieuwstraat 41, Gent 9000, Belgium
| | - Uroš Cvelbar
- Jožef Stefan Institute, Jamova cesta 39, Ljubljana 1000, Slovenia
- Jožef Stefan International Postgraduate School, Jamova cesta 39, Ljubljana 1000, Slovenia
| | - Anton Nikiforov
- Department of Applied Physics, Ghent University, Sint-Pietersnieuwstraat 41, Gent 9000, Belgium
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Bekeschus S, von Woedtke T, Emmert S, Schmidt A. Medical gas plasma-stimulated wound healing: Evidence and mechanisms. Redox Biol 2021; 46:102116. [PMID: 34474394 PMCID: PMC8408623 DOI: 10.1016/j.redox.2021.102116] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/13/2021] [Accepted: 08/23/2021] [Indexed: 12/11/2022] Open
Abstract
Defective wound healing poses a significant burden on patients and healthcare systems. In recent years, a novel reactive oxygen and nitrogen species (ROS/RNS) based therapy has received considerable attention among dermatologists for targeting chronic wounds. The multifaceted ROS/RNS are generated using gas plasma technology, a partially ionized gas operated at body temperature. This review integrates preclinical and clinical evidence into a set of working hypotheses mainly based on redox processes aiding in elucidating the mechanisms of action and optimizing gas plasmas for therapeutic purposes. These hypotheses include increased wound tissue oxygenation and vascularization, amplified apoptosis of senescent cells, redox signaling, and augmented microbial inactivation. Instead of a dominant role of a single effector, it is proposed that all mechanisms act in concert in gas plasma-stimulated healing, rationalizing the use of this technology in therapy-resistant wounds. Finally, addressable current challenges and future concepts are outlined, which may further promote the clinical utilization, efficacy, and safety of gas plasma technology in wound care in the future.
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Affiliation(s)
- Sander Bekeschus
- ZIK Plasmatis, Leibniz Institute for Plasma Science and Technology (INP), A Member of the Leibniz Research Alliance Leibniz Health Technology, Felix-Hausdorff-Str. 2, 17489, Greifswald, Germany.
| | - Thomas von Woedtke
- ZIK Plasmatis, Leibniz Institute for Plasma Science and Technology (INP), A Member of the Leibniz Research Alliance Leibniz Health Technology, Felix-Hausdorff-Str. 2, 17489, Greifswald, Germany; Institute for Hygiene and Environmental Medicine, Greifswald University Medical Center, Sauerbruchstr., 17475, Greifswald, Germany
| | - Steffen Emmert
- Clinic for Dermatology and Venereology, Rostock University Medical Center, Strempelstr. 13, 18057, Rostock, Germany
| | - Anke Schmidt
- ZIK Plasmatis, Leibniz Institute for Plasma Science and Technology (INP), A Member of the Leibniz Research Alliance Leibniz Health Technology, Felix-Hausdorff-Str. 2, 17489, Greifswald, Germany
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Lee HR, Lee HY, Heo J, Jang JY, Shin YS, Kim CH. Liquid-type nonthermal atmospheric plasma enhanced regenerative potential of silk-fibrin composite gel in radiation-induced wound failure. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 128:112304. [PMID: 34474855 DOI: 10.1016/j.msec.2021.112304] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 06/29/2021] [Accepted: 07/04/2021] [Indexed: 12/15/2022]
Abstract
Delayed wound healing in heavily irradiated areas is a serious clinical complication that makes widespread therapeutic use of radiation difficult. Efficient treatment strategies are urgently required for addressing radiation-induced wound failure. Herein, we applied liquid-type nonthermal atmospheric plasma (LTP) to a silk-fibrin (SF) composite gel to investigate whether controlled release of LTP from SF hydrogel not only induced favorable cellular events in an irradiated wound bed but also modulated the SF hydrogel microstructure itself, eventually facilitating the development of a regenerative microenvironment. Scanning electron microscopy and Fourier-transform infrared spectroscopy revealed that LTP modulated the microstructures and chemical bindings of the SF gel. Improved cell viability, morphology, and extracellular matrix depositions by the LTP-treated SF hydrogel were identified with wound-healing assays and immunofluorescence staining. An irradiated random-pattern skin-flap animal model was established in six-week-old C57/BL6 mice. Full-thickness skin was flapped from the dorsum and SF hydrogel was placed underneath the raised skin flap. Postoperative histological analysis of the irradiated random-pattern skin-flap mice model suggested that LTP-treated SF hydrogel much improved wound regeneration and the inflammatory response compared to the SF hydrogel- and sham-treated groups. These results support that LTP-treated SF hydrogel significantly enhanced irradiated wound healing. Cellular and tissue reactions to released LTP from the SF hydrogel were favorable for the regenerative process of the wound; furthermore, mechanochemical properties of the SF gel were improved by LTP.
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Affiliation(s)
- Hye Ran Lee
- Department of Otolaryngology, School of Medicine, Ajou University, Suwon, Republic of Korea
| | - Hye-Young Lee
- Department of Otolaryngology, School of Medicine, Ajou University, Suwon, Republic of Korea
| | - Jaesung Heo
- Department of Radiation Oncology, School of Medicine, Ajou University, Suwon, Republic of Korea
| | - Jeon Yeob Jang
- Department of Otolaryngology, School of Medicine, Ajou University, Suwon, Republic of Korea
| | - Yoo Seob Shin
- Department of Otolaryngology, School of Medicine, Ajou University, Suwon, Republic of Korea.
| | - Chul-Ho Kim
- Department of Otolaryngology, School of Medicine, Ajou University, Suwon, Republic of Korea
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Hamouda I, Labay C, Cvelbar U, Ginebra MP, Canal C. Selectivity of direct plasma treatment and plasma-conditioned media in bone cancer cell lines. Sci Rep 2021; 11:17521. [PMID: 34471164 PMCID: PMC8410816 DOI: 10.1038/s41598-021-96857-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 08/10/2021] [Indexed: 11/09/2022] Open
Abstract
Atmospheric pressure plasma jets have been shown to impact several cancer cell lines, both in vitro and in vivo. These effects are based on the biochemistry of the reactive oxygen and nitrogen species generated by plasmas in physiological liquids, referred to as plasma-conditioned liquids. Plasma-conditioned media are efficient in the generation of reactive species, inducing selective cancer cell death. However, the concentration of reactive species generated by plasma in the cell culture media of different cell types can be highly variable, complicating the ability to draw precise conclusions due to the differential sensitivity of different cells to reactive species. Here, we compared the effects of direct and indirect plasma treatment on non-malignant bone cells (hOBs and hMSCs) and bone cancer cells (SaOs-2s and MG63s) by treating the cells directly or exposing them to previously treated cell culture medium. Biological effects were correlated with the concentrations of reactive species generated in the liquid. A linear increase in reactive species in the cell culture medium was observed with increased plasma treatment time independent of the volume treated. Values up to 700 µM for H2O2 and 140 µM of NO2- were attained in 2 mL after 15 min of plasma treatment in AdvDMEM cell culture media. Selectivity towards bone cancer cells was observed after both direct and indirect plasma treatments, leading to a decrease in bone cancer cell viability at 72 h to 30% for the longest plasma treatment times while maintaining the survival of non-malignant cells. Therefore, plasma-conditioned media may represent the basis for a potentially novel non-invasive technique for bone cancer therapy.
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Affiliation(s)
- Inès Hamouda
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, and Research Centre for Biomedical Engineering (CREB), Universitat Politècnica de Catalunya (UPC), Av. Eduard Maristany 10-14, 08019, Barcelona, Spain
- Barcelona Research Centre in Multiscale Science and Engineering, UPC, Barcelona, Spain
- Institut de Recerca Sant Joan de Déu, 08034, Barcelona, Spain
| | - Cédric Labay
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, and Research Centre for Biomedical Engineering (CREB), Universitat Politècnica de Catalunya (UPC), Av. Eduard Maristany 10-14, 08019, Barcelona, Spain
- Barcelona Research Centre in Multiscale Science and Engineering, UPC, Barcelona, Spain
- Institut de Recerca Sant Joan de Déu, 08034, Barcelona, Spain
| | - Uroš Cvelbar
- Department of Gaseous Electronics (F-6), Jožef Stefan Institute, Jamova cesta 39, 1000, Ljubljana, Slovenia
| | - Maria-Pau Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, and Research Centre for Biomedical Engineering (CREB), Universitat Politècnica de Catalunya (UPC), Av. Eduard Maristany 10-14, 08019, Barcelona, Spain
- Barcelona Research Centre in Multiscale Science and Engineering, UPC, Barcelona, Spain
- Institute for Bioengineering of Catalonia, c/Baldiri i Reixach 10-12, 08028, Barcelona, Spain
| | - Cristina Canal
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, and Research Centre for Biomedical Engineering (CREB), Universitat Politècnica de Catalunya (UPC), Av. Eduard Maristany 10-14, 08019, Barcelona, Spain.
- Barcelona Research Centre in Multiscale Science and Engineering, UPC, Barcelona, Spain.
- Institut de Recerca Sant Joan de Déu, 08034, Barcelona, Spain.
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40
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Evaluation of the effects of cold atmospheric plasma and plasma-treated liquids in cancer cell cultures. Nat Protoc 2021; 16:2826-2850. [PMID: 33990800 DOI: 10.1038/s41596-021-00521-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 02/04/2021] [Indexed: 11/08/2022]
Abstract
Cold atmospheric plasma (CAP) is a potential anticancer therapy. CAP has cytotoxic effects when applied either directly to cancer cell cultures or indirectly through plasma-conditioned liquids. This protocol describes how to treat adherent cultures of human cancer cell lines with CAP or plasma-conditioned medium and determine cell viability following treatment. The protocol also includes details on how to quantify the reactive oxygen and nitrogen species present in medium following CAP treatment, using chemical probes using UV-visible or fluorescence spectroscopy. CAP treatment takes ~30 min, and 3 h are required to complete quantification of reactive oxygen and nitrogen species. By providing a standardized protocol for evaluation of the effects of CAP and plasma-conditioned medium, we hope to facilitate the comparison and interpretation of results seen across different laboratories.
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Plasma Treated Water Solutions in Cancer Treatments: The Contrasting Role of RNS. Antioxidants (Basel) 2021; 10:antiox10040605. [PMID: 33920049 PMCID: PMC8071004 DOI: 10.3390/antiox10040605] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/29/2021] [Accepted: 04/11/2021] [Indexed: 12/21/2022] Open
Abstract
Plasma Treated Water Solutions (PTWS) recently emerged as a novel tool for the generation of Reactive Oxygen and Nitrogen Species (ROS and RNS) in liquids. The presence of ROS with a strong oxidative power, like hydrogen peroxide (H2O2), has been proposed as the main effector for the cancer-killing properties of PTWS. A protective role has been postulated for RNS, with nitric oxide (NO) being involved in the activation of antioxidant responses and cell survival. However, recent evidences proved that NO-derivatives in proper mixtures with ROS in PTWS could enhance rather than reduce the selectivity of PTWS-induced cancer cell death through the inhibition of specific antioxidant cancer defenses. In this paper we discuss the formation of RNS in different liquids with a Dielectric Barrier Discharge (DBD), to show that NO is absent in PTWS of complex composition like plasma treated (PT)-cell culture media used for in vitro experiments, as well as its supposed protective role. Nitrite anions (NO2-) instead, present in our PTWS, were found to improve the selective death of Saos2 cancer cells compared to EA.hy926 cells by decreasing the cytotoxic threshold of H2O2 to non-toxic values for the endothelial cell line.
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Tomić S, Petrović A, Puač N, Škoro N, Bekić M, Petrović ZL, Čolić M. Plasma-Activated Medium Potentiates the Immunogenicity of Tumor Cell Lysates for Dendritic Cell-Based Cancer Vaccines. Cancers (Basel) 2021; 13:1626. [PMID: 33915703 PMCID: PMC8037863 DOI: 10.3390/cancers13071626] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/15/2021] [Accepted: 03/17/2021] [Indexed: 02/03/2023] Open
Abstract
Autologous dendritic cells (DCs)-based vaccines are considered quite promising for cancer immunotherapy due to their exquisite potential to induce tumor antigen-specific cytotoxic T cells. However, a lack of efficient protocols for inducing immunogenic tumor antigens limits the efficacy of DC-based cancer vaccines. Here, we found that a plasma-activated medium (PAM) induces immunogenic cell death (ICD) in tumor cells but not in an immortalized L929 cell line or human peripheral blood mononuclear cells. PAM induced an accumulation of reactive oxygen species (ROS), autophagy, apoptosis, and necrosis in a concentration-dependent manner. The tumor lysates prepared after PAM treatment displayed increased immunogenicity in a model of human monocyte-derived DCs, compared to the lysates prepared by a standard freezing/thawing method. Mature DCs loaded with PAM lysates showed an increased maturation potential, as estimated by their increased expression of CD83, CD86, CD40, IL-12/IL-10 production, and attenuated PDL1 and ILT-4 expression, compared to the DCs treated with control tumor lysates. Moreover, in co-culture with allogeneic T cells, DCs loaded with PAM-lysates increased the proportion of cytotoxic IFN-γ+ granzyme A+ CD8+ T cells and IL-17A-producing T cells and preserved the Th1 response. In contrast, control tumor lysates-treated DCs increased the frequency of Th2 (CD4+IL-4+), CD4, and CD8 regulatory T cell subtypes, none of which was observed with DCs loaded with PAM-lysates. Cumulatively, these results suggest that the novel method for preparing immunogenic tumor lysates with PAM could be suitable for improved DC-based immunotherapy of cancer patients.
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Affiliation(s)
- Sergej Tomić
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University of Belgrade, 11080 Belgrade, Serbia; (M.B.); (M.Č.)
| | - Anđelija Petrović
- Institute of Physics, University of Belgrade, 11080 Belgrade, Serbia; (A.P.); (N.Š.)
| | - Nevena Puač
- Institute of Physics, University of Belgrade, 11080 Belgrade, Serbia; (A.P.); (N.Š.)
| | - Nikola Škoro
- Institute of Physics, University of Belgrade, 11080 Belgrade, Serbia; (A.P.); (N.Š.)
| | - Marina Bekić
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University of Belgrade, 11080 Belgrade, Serbia; (M.B.); (M.Č.)
| | - Zoran Lj. Petrović
- Serbian Academy for Sciences and Arts, 11000 Belgrade, Serbia;
- School of Engineering, Ulster University, Jordanstown, Co. Antrim BT37 0QB, UK
| | - Miodrag Čolić
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University of Belgrade, 11080 Belgrade, Serbia; (M.B.); (M.Č.)
- Serbian Academy for Sciences and Arts, 11000 Belgrade, Serbia;
- Medical Faculty Foca, University of East Sarajevo, 73 300 Foča, Bosnia and Herzegovina
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Gómez-López VM, Pataro G, Tiwari B, Gozzi M, Meireles MÁA, Wang S, Guamis B, Pan Z, Ramaswamy H, Sastry S, Kuntz F, Cullen PJ, Vidyarthi SK, Ling B, Quevedo JM, Strasser A, Vignali G, Veggi PC, Gervilla R, Kotilainen HM, Pelacci M, Viganó J, Morata A. Guidelines on reporting treatment conditions for emerging technologies in food processing. Crit Rev Food Sci Nutr 2021; 62:5925-5949. [PMID: 33764212 DOI: 10.1080/10408398.2021.1895058] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
In the last decades, different non-thermal and thermal technologies have been developed for food processing. However, in many cases, it is not clear which experimental parameters must be reported to guarantee the experiments' reproducibility and provide the food industry a straightforward way to scale-up these technologies. Since reproducibility is one of the most important science features, the current work aims to improve the reproducibility of studies on emerging technologies for food processing by providing guidelines on reporting treatment conditions of thermal and non-thermal technologies. Infrared heating, microwave heating, ohmic heating and radiofrequency heating are addressed as advanced thermal technologies and isostatic high pressure, ultra-high-pressure homogenization sterilization, high-pressure homogenization, microfluidization, irradiation, plasma technologies, power ultrasound, pressure change technology, pulsed electric fields, pulsed light and supercritical CO2 are approached as non-thermal technologies. Finally, growing points and perspectives are highlighted.
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Affiliation(s)
- Vicente M Gómez-López
- Departamento de Ciencia y Tecnología de Alimentos, Universidad Católica de Murcia (UCAM), Guadalupe, Murcia, Spain
| | - Gianpiero Pataro
- Department of Industrial Engineering, University of Salerno, Fisciano, SA, Italy
| | - Brijesh Tiwari
- Food Biosciences Department, Teagasc Food Research Centre, Dublin, Ireland
| | - Mario Gozzi
- Catelli Food Technology Group; CFT S.p.A., Parma, Italy
| | - María Ángela A Meireles
- Department of Chemical Engineering, Institute of Environmental, Chemical and Pharmaceutical Sciences, Universidade Federal de São Paulo, Diadema, SP, Brazil
| | - Shaojin Wang
- College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Buenaventura Guamis
- Centre d'Innovació, Recerca i Transferència en Tecnologia dels Aliments (CIRTTA), TECNIO, XaRTA, Departament de Ciència Animal i dels Aliments, Facultat de Veterinària, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Zhongli Pan
- Department of Biological and Agricultural Engineering, University of California, Davis, California, USA
| | - Hosahalli Ramaswamy
- Department of Food Science and Agricultural Chemistry, McGill University, Macdonald Campus, Montreal, Quebec, Canada
| | - Sudhir Sastry
- Department of Food, Agricultural and Biological Engineering, The Ohio State University, Columbus, Ohio, USA
| | | | - Patrick J Cullen
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, NSW, Australia
| | - Sriram K Vidyarthi
- Department of Biological and Agricultural Engineering, University of California, Davis, California, USA
| | - Bo Ling
- College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Joan Miquel Quevedo
- SPTA-Servei Planta Tecnologia Aliments, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain
| | | | - Giuseppe Vignali
- Department of Engineering and Architecture, University of Parma, Parma, Italy
| | - Priscilla C Veggi
- Department of Food Engineering, School of Food Engineering, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Ramon Gervilla
- SPTA-Servei Planta Tecnologia Aliments, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain
| | | | | | - Juliane Viganó
- Department of Food Engineering, School of Food Engineering, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Antonio Morata
- Dept. Química y Tecnología de Alimentos, ETSIAAB, Universidad Politécnica de Madrid, Madrid, Spain
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44
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Tampieri F, Ginebra MP, Canal C. Quantification of Plasma-Produced Hydroxyl Radicals in Solution and their Dependence on the pH. Anal Chem 2021; 93:3666-3670. [PMID: 33596048 PMCID: PMC7931173 DOI: 10.1021/acs.analchem.0c04906] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
HO radicals are the most important reactive species generated during water treatment by non-thermal plasma devices. In this letter, we report the first quantification of the steady-state concentration and lifetime of plasma-produced hydroxyl radicals in water solutions at pH 3 and 7, and we discuss the differences based on their reactivity with other plasma-generated species. Finally, we show to what extent the use of chemical probes to quantify short-lived reactive species has an influence on the results and that it should be taken into account.
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Affiliation(s)
- Francesco Tampieri
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Metallurgy, Technical University of Catalonia (UPC), c. Eduard Maristany 16, 08019 Barcelona, Spain.,Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Barcelona, Spain.,Research Centre for Biomedical Engineering, Universitat Politècnica de Catalunya, Barcelona, Spain
| | - Maria-Pau Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Metallurgy, Technical University of Catalonia (UPC), c. Eduard Maristany 16, 08019 Barcelona, Spain.,Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Barcelona, Spain.,Research Centre for Biomedical Engineering, Universitat Politècnica de Catalunya, Barcelona, Spain.,Institute for Bioengineering of Catalonia, Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Cristina Canal
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Metallurgy, Technical University of Catalonia (UPC), c. Eduard Maristany 16, 08019 Barcelona, Spain.,Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Barcelona, Spain.,Research Centre for Biomedical Engineering, Universitat Politècnica de Catalunya, Barcelona, Spain
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45
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Mateu-Sanz M, Tornín J, Ginebra MP, Canal C. Cold Atmospheric Plasma: A New Strategy Based Primarily on Oxidative Stress for Osteosarcoma Therapy. J Clin Med 2021; 10:893. [PMID: 33672274 PMCID: PMC7926371 DOI: 10.3390/jcm10040893] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 02/10/2021] [Accepted: 02/15/2021] [Indexed: 12/12/2022] Open
Abstract
Osteosarcoma is the most common primary bone tumor, and its first line of treatment presents a high failure rate. The 5-year survival for children and teenagers with osteosarcoma is 70% (if diagnosed before it has metastasized) or 20% (if spread at the time of diagnosis), stressing the need for novel therapies. Recently, cold atmospheric plasmas (ionized gases consisting of UV-Vis radiation, electromagnetic fields and a great variety of reactive species) and plasma-treated liquids have been shown to have the potential to selectively eliminate cancer cells in different tumors through an oxidative stress-dependent mechanism. In this work, we review the current state of the art in cold plasma therapy for osteosarcoma. Specifically, we emphasize the mechanisms unveiled thus far regarding the action of plasmas on osteosarcoma. Finally, we review current and potential future approaches, emphasizing the most critical challenges for the development of osteosarcoma therapies based on this emerging technique.
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Affiliation(s)
- Miguel Mateu-Sanz
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Escola d’Enginyeria Barcelona Est (EEBE), Universitat Politècnica de Catalunya (UPC), 08930 Barcelona, Spain; (M.M.-S.); (J.T.); (M.-P.G.)
- Barcelona Research Center in Multiscale Science and Engineering, UPC, 08930 Barcelona, Spain
- Research Centre for Biomedical Engineering (CREB), UPC, 08034 Barcelona, Spain
| | - Juan Tornín
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Escola d’Enginyeria Barcelona Est (EEBE), Universitat Politècnica de Catalunya (UPC), 08930 Barcelona, Spain; (M.M.-S.); (J.T.); (M.-P.G.)
- Barcelona Research Center in Multiscale Science and Engineering, UPC, 08930 Barcelona, Spain
- Research Centre for Biomedical Engineering (CREB), UPC, 08034 Barcelona, Spain
| | - Maria-Pau Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Escola d’Enginyeria Barcelona Est (EEBE), Universitat Politècnica de Catalunya (UPC), 08930 Barcelona, Spain; (M.M.-S.); (J.T.); (M.-P.G.)
- Barcelona Research Center in Multiscale Science and Engineering, UPC, 08930 Barcelona, Spain
- Research Centre for Biomedical Engineering (CREB), UPC, 08034 Barcelona, Spain
- Institute for Bioengineering of Catalonia (IBEC), Barcelona Institute of Science and Technology (BIST), 08034 Barcelona, Spain
| | - Cristina Canal
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Escola d’Enginyeria Barcelona Est (EEBE), Universitat Politècnica de Catalunya (UPC), 08930 Barcelona, Spain; (M.M.-S.); (J.T.); (M.-P.G.)
- Barcelona Research Center in Multiscale Science and Engineering, UPC, 08930 Barcelona, Spain
- Research Centre for Biomedical Engineering (CREB), UPC, 08034 Barcelona, Spain
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Tornín J, Villasante A, Solé-Martí X, Ginebra MP, Canal C. Osteosarcoma tissue-engineered model challenges oxidative stress therapy revealing promoted cancer stem cell properties. Free Radic Biol Med 2021; 164:107-118. [PMID: 33401009 PMCID: PMC7921834 DOI: 10.1016/j.freeradbiomed.2020.12.437] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 12/11/2020] [Accepted: 12/24/2020] [Indexed: 12/19/2022]
Abstract
The use of oxidative stress generated by Cold Atmospheric Plasma (CAP) in oncology is being recently studied as a novel potential anti-cancer therapy. However, the beneficial effects of CAP for treating osteosarcoma have mostly been demonstrated in 2-dimensional cultures of cells, which do not mimic the complexity of the 3-dimensional (3D) bone microenvironment. In order to evaluate the effects of CAP in a relevant context of the human disease, we developed a 3D tissue-engineered model of osteosarcoma using a bone-like scaffold made of collagen type I and hydroxyapatite nanoparticles. Human osteosarcoma cells cultured within the scaffold showed a high capacity to infiltrate and proliferate and to exhibit osteomimicry in vitro. As expected, we observed significantly different functional behaviors between monolayer and 3D cultures when treated with Cold Plasma-Activated Ringer's Solution (PAR). Our data reveal that the 3D environment not only protects cells from PAR-induced lethality by scavenging and diminishing the amount of reactive oxygen and nitrogen species generated by CAP, but also favours the stemness phenotype of osteosarcoma cells. This is the first study that demonstrates the negative effect of PAR on cancer stem-like cell subpopulations in a 3D biomimetic model of cancer. These findings will allow to suitably re-focus research on plasma-based therapies in future.
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Affiliation(s)
- Juan Tornín
- Biomaterials, Biomechanics and Tissue Engineering Group, Department Materials Science and Metallurgy, Technical University of Catalonia (UPC), Escola D'Enginyeria Barcelona Est (EEBE), C/Eduard Maristany 14, 08019, Barcelona, Spain; Barcelona Research Center in Multiscale Science and Engineering, UPC, 08019, Barcelona, Spain; Research Centre for Biomedical Engineering (CREB), UPC, 08019, Barcelona, Spain; Instituto de Investigación Sanitaria Del Principado de Asturias (ISPA), Av. de Roma S/n, Oviedo, Spain
| | - Aranzazu Villasante
- Institute for Bioengineering of Catalonia (IBEC), Barcelona Institute of Science and Technology (BIST), C/Baldiri I Reixach 10-12, 08028, Barcelona, Spain
| | - Xavi Solé-Martí
- Biomaterials, Biomechanics and Tissue Engineering Group, Department Materials Science and Metallurgy, Technical University of Catalonia (UPC), Escola D'Enginyeria Barcelona Est (EEBE), C/Eduard Maristany 14, 08019, Barcelona, Spain; Barcelona Research Center in Multiscale Science and Engineering, UPC, 08019, Barcelona, Spain; Research Centre for Biomedical Engineering (CREB), UPC, 08019, Barcelona, Spain
| | - Maria-Pau Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group, Department Materials Science and Metallurgy, Technical University of Catalonia (UPC), Escola D'Enginyeria Barcelona Est (EEBE), C/Eduard Maristany 14, 08019, Barcelona, Spain; Barcelona Research Center in Multiscale Science and Engineering, UPC, 08019, Barcelona, Spain; Research Centre for Biomedical Engineering (CREB), UPC, 08019, Barcelona, Spain; Institute for Bioengineering of Catalonia (IBEC), Barcelona Institute of Science and Technology (BIST), C/Baldiri I Reixach 10-12, 08028, Barcelona, Spain
| | - Cristina Canal
- Biomaterials, Biomechanics and Tissue Engineering Group, Department Materials Science and Metallurgy, Technical University of Catalonia (UPC), Escola D'Enginyeria Barcelona Est (EEBE), C/Eduard Maristany 14, 08019, Barcelona, Spain; Barcelona Research Center in Multiscale Science and Engineering, UPC, 08019, Barcelona, Spain; Research Centre for Biomedical Engineering (CREB), UPC, 08019, Barcelona, Spain.
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Abstract
Conventional plasma jets for biomedical applications tend to have several drawbacks, such as high voltages, high gas delivery, large plasma probe volume, and the formation of discharge within the organ. Therefore, it is challenging to employ these jets inside a living organism’s body. Thus, we developed a single-electrode tiny plasma jet and evaluated its use for clinical biomedical applications. We investigated the effect of voltage input and flow rate on the jet length and studied the physical parameters of the plasma jet, including discharge voltage, average gas and subject temperature, and optical emissions via spectroscopy (OES). The interactions between the tiny plasma jet and five subjects (de-ionized (DI) water, metal, cardboard, pork belly, and pork muscle) were studied at distances of 10 mm and 15 mm from the jet nozzle. The results showed that the tiny plasma jet caused no damage or burning of tissues, and the ROS/RNS (reactive oxygen/nitrogen species) intensity increased when the distance was lowered from 15 mm to 10 mm. These initial observations establish the tiny plasma jet device as a potentially useful tool in clinical biomedical applications.
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Mai-Prochnow A, Zhou R, Zhang T, Ostrikov K(K, Mugunthan S, Rice SA, Cullen PJ. Interactions of plasma-activated water with biofilms: inactivation, dispersal effects and mechanisms of action. NPJ Biofilms Microbiomes 2021; 7:11. [PMID: 33504802 PMCID: PMC7841176 DOI: 10.1038/s41522-020-00180-6] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 12/11/2020] [Indexed: 01/30/2023] Open
Abstract
Biofilms have several characteristics that ensure their survival in a range of adverse environmental conditions, including high cell numbers, close cell proximity to allow easy genetic exchange (e.g., for resistance genes), cell communication and protection through the production of an exopolysaccharide matrix. Together, these characteristics make it difficult to kill undesirable biofilms, despite the many studies aimed at improving the removal of biofilms. An elimination method that is safe, easy to deliver in physically complex environments and not prone to microbial resistance is highly desired. Cold atmospheric plasma, a lightning-like state generated from air or other gases with a high voltage can be used to make plasma-activated water (PAW) that contains many active species and radicals that have antimicrobial activity. Recent studies have shown the potential for PAW to be used for biofilm elimination without causing the bacteria to develop significant resistance. However, the precise mode of action is still the subject of debate. This review discusses the formation of PAW generated species and their impacts on biofilms. A focus is placed on the diffusion of reactive species into biofilms, the formation of gradients and the resulting interaction with the biofilm matrix and specific biofilm components. Such an understanding will provide significant benefits for tackling the ubiquitous problem of biofilm contamination in food, water and medical areas.
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Affiliation(s)
- Anne Mai-Prochnow
- grid.1013.30000 0004 1936 834XSchool of Chemical and Biomolecular Engineering, The University of Sydney, Darlington, NSW 2006 Australia
| | - Renwu Zhou
- grid.1013.30000 0004 1936 834XSchool of Chemical and Biomolecular Engineering, The University of Sydney, Darlington, NSW 2006 Australia
| | - Tianqi Zhang
- grid.1013.30000 0004 1936 834XSchool of Chemical and Biomolecular Engineering, The University of Sydney, Darlington, NSW 2006 Australia
| | - Kostya (Ken) Ostrikov
- grid.1024.70000000089150953School of Chemistry and Physics, Queensland University of Technology, Brisbane, QLD 4000 Australia
| | - Sudarsan Mugunthan
- grid.59025.3b0000 0001 2224 0361The Singapore Centre for Environmental Life Sciences Engineering, Nanyang Technological University, Singapore, 639798 Singapore
| | - Scott A. Rice
- grid.59025.3b0000 0001 2224 0361The Singapore Centre for Environmental Life Sciences Engineering, Nanyang Technological University, Singapore, 639798 Singapore ,grid.59025.3b0000 0001 2224 0361The School of Biological Sciences, Nanyang Technological University, Singapore, 639798 Singapore ,grid.117476.20000 0004 1936 7611The ithree Institute, The University of Technology Sydney, Sydney, NSW 2007 Australia
| | - Patrick J. Cullen
- grid.1013.30000 0004 1936 834XSchool of Chemical and Biomolecular Engineering, The University of Sydney, Darlington, NSW 2006 Australia
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Solé-Martí X, Espona-Noguera A, Ginebra MP, Canal C. Plasma-Conditioned Liquids as Anticancer Therapies In Vivo: Current State and Future Directions. Cancers (Basel) 2021; 13:452. [PMID: 33504064 PMCID: PMC7865855 DOI: 10.3390/cancers13030452] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 01/20/2021] [Accepted: 01/21/2021] [Indexed: 12/11/2022] Open
Abstract
Plasma-conditioned liquids (PCL) are gaining increasing attention in the medical field, especially in oncology, and translation to the clinics is advancing on a good path. This emerging technology involving cold plasmas has great potential as a therapeutic approach in cancer diseases, as PCL have been shown to selectively kill cancer cells by triggering apoptotic mechanisms without damaging healthy cells. In this context, PCL can be injected near the tumor or intratumorally, thereby allowing the treatment of malignant tumors located in internal organs that are not accessible for direct cold atmospheric plasma (CAP) treatment. Therefore, PCL constitutes a very interesting and minimally invasive alternative to direct CAP treatment in cancer therapy, avoiding surgeries and allowing multiple local administrations. As the field advances, it is progressively moving to the evaluation of the therapeutic effects of PCL in in vivo scenarios. Exciting developments are pushing forward the clinical translation of this novel therapy. However, there is still room for research, as the quantification and identification of reactive oxygen and nitrogen species (RONS) in in vivo conditions is not yet clarified, dosage regimens are highly variable among studies, and other more relevant in vivo models could be used. In this context, this work aims to present a critical review of the state of the field of PCL as anticancer agents applied in in vivo studies.
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Affiliation(s)
- Xavi Solé-Martí
- Biomaterials, Biomechanics and Tissue Engineering Group, Department Materials Science and Engineering, Escola d’Enginyeria Barcelona Est (EEBE), Universitat Politècnica de Catalunya (UPC), 08930 Barcelona, Spain; (X.S.-M.); (A.E.-N.); (M.-P.G.)
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, 08930 Barcelona, Spain
- Research Centre for Biomedical Engineering (CREB), Universitat Politècnica de Catalunya, 08034 Barcelona, Spain
| | - Albert Espona-Noguera
- Biomaterials, Biomechanics and Tissue Engineering Group, Department Materials Science and Engineering, Escola d’Enginyeria Barcelona Est (EEBE), Universitat Politècnica de Catalunya (UPC), 08930 Barcelona, Spain; (X.S.-M.); (A.E.-N.); (M.-P.G.)
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, 08930 Barcelona, Spain
- Research Centre for Biomedical Engineering (CREB), Universitat Politècnica de Catalunya, 08034 Barcelona, Spain
| | - Maria-Pau Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group, Department Materials Science and Engineering, Escola d’Enginyeria Barcelona Est (EEBE), Universitat Politècnica de Catalunya (UPC), 08930 Barcelona, Spain; (X.S.-M.); (A.E.-N.); (M.-P.G.)
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, 08930 Barcelona, Spain
- Research Centre for Biomedical Engineering (CREB), Universitat Politècnica de Catalunya, 08034 Barcelona, Spain
- Institute for Bioengineering of Catalonia (IBEC), Barcelona Institute of Science and Technology (BIST), 08034 Barcelona, Spain
| | - Cristina Canal
- Biomaterials, Biomechanics and Tissue Engineering Group, Department Materials Science and Engineering, Escola d’Enginyeria Barcelona Est (EEBE), Universitat Politècnica de Catalunya (UPC), 08930 Barcelona, Spain; (X.S.-M.); (A.E.-N.); (M.-P.G.)
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, 08930 Barcelona, Spain
- Research Centre for Biomedical Engineering (CREB), Universitat Politècnica de Catalunya, 08034 Barcelona, Spain
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50
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Heslin C, Boehm D, Gilmore BF, Megaw J, Freeman TA, Hickok NJ, Cullen PJ, Bourke P. Biomolecules as Model Indicators of In Vitro and In Vivo Cold Plasma Safety. FRONTIERS IN PHYSICS 2021; 8:613046. [PMID: 37124146 PMCID: PMC10136044 DOI: 10.3389/fphy.2020.613046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The potential applications for cold plasma in medicine are extensive, from microbial inactivation and induction of apoptosis in cancer cells to stimulating wound healing and enhancing the blood coagulation cascade. The safe bio-medical application of cold plasma and subsequent effect on complex biological pathways requires precision and a distinct understanding of how physiological redox chemistry is manipulated. Chemical modification of biomolecules such as carbohydrates, proteins, and lipids treated with cold plasma have been characterized, however, the context of how alterations of these molecules affect cell behavior or in vivo functionality has not been determined. Thus, this study examines the cytotoxic and mutagenic effects of plasma-treated molecules in vitro using CHO-K1 cells and in vivo in Galleria mellonella larvae. Specifically, albumin, glucose, cholesterol, and arachidonic acid were chosen as representative biomolecules, with established involvement in diverse bioprocesses including; cellular respiration, intracellular transport, cell signaling or membrane structure. Long- and short-term effects depended strongly on the molecule type and the treatment milieu indicating the impact of chemical and physical modifications on downstream biological pathways. Importantly, absence of short-term toxicity did not always correlate with absence of longer-term effects, indicating the need to comprehensively assess ongoing effects for diverse biological applications.
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Affiliation(s)
- Caitlin Heslin
- School of Food Science and Environmental Health, Technological University Dublin, Dublin, Ireland
| | - Daniela Boehm
- School of Food Science and Environmental Health, Technological University Dublin, Dublin, Ireland
| | | | - Julianne Megaw
- School of Pharmacy, Queens University Belfast, Belfast, United Kingdom
| | - Theresa A. Freeman
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Jefferson University, Philadelphia, PA, United States
| | - Noreen J. Hickok
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Jefferson University, Philadelphia, PA, United States
| | - P. J. Cullen
- School of Food Science and Environmental Health, Technological University Dublin, Dublin, Ireland
- School of Chemical and Biomolecular Engineering, University of Sydney, Sydney, NSW, Australia
| | - Paula Bourke
- School of Food Science and Environmental Health, Technological University Dublin, Dublin, Ireland
- School of Biological Sciences, Queens University Belfast, Belfast, United Kingdom
- Plasma Research Group, School of Biosystems and Food Engineering, University College Dublin, Dublin, Ireland
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