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Du L, Ming H, Yan Z, Chen J, Song W, Dai H. Decitabine combined with cold atmospheric plasma induces pyroptosis via the ROS/Caspase-3/GSDME signaling pathway in Ovcar5 cells. Biochim Biophys Acta Gen Subj 2024; 1868:130602. [PMID: 38513927 DOI: 10.1016/j.bbagen.2024.130602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 02/06/2024] [Accepted: 03/17/2024] [Indexed: 03/23/2024]
Abstract
BACKGROUND High methylation of the DFNA5 gene results in the absence of GSDME, a key protein that mediates pyroptosis, while decitabine demethylates the DFNA5 gene, resulting in high expression of the GSDME protein. Cold atmospheric plasma (CAP) is a novel anti-cancer method that induces tumor cell death. METHODS The pyroptosis induced by decitabine in combination with CAP in Ovcar5 cells was evaluated. In particular, mitochondrial membrane potential was estimated by JC-1 staining, dehydrogenase (LDH) release was assessed by ELISA, Annexin V/PI staining was detected by flow cytometry, the cell cycle changes were evaluated using PI staining followed by detection by flow cytometry, and Caspase-9 cleavage, Caspase-3 cleavage and GSDME expression were evaluated by western blot. RESULTS Decitabine resulted in high expression of the GSDME in Ovcar5 in a concentration-dependent manner and increased tumor cell sensitivity to CAP. CAP induced mitochondrial damage and activated the Caspase-9/Caspase-3 pathway. Therefore, decitabine combined with CAP induced Ovcar5 cell pyroptosis through Caspase-3 mediated GSDME cleavage. Reactive oxygen species (ROS) generated by CAP treatment played an important role in the CAP/decitabine combination-induced production of ROS, activation of Caspase-9/Caspase-3, GSDME cleavage and pyroptosis that ROS scavenger NAC inhibited all these processes. CONCLUSIONS CAP combined with decitabine induced Caspase-3 activation, which cleaved decitabine-upregulated GSDME and ediated pyroptosis.
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Affiliation(s)
- Liang Du
- College of Pharmacy, Anhui Medical University, Hefei 230032, China; Anhui Province Key Laboratory of Medical Physics and Technology, Institute of Health & Medical Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China
| | - Huiyun Ming
- College of Pharmacy, Anhui Medical University, Hefei 230032, China; Anhui Province Key Laboratory of Medical Physics and Technology, Institute of Health & Medical Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China
| | - Zhuna Yan
- Anhui Province Key Laboratory of Medical Physics and Technology, Institute of Health & Medical Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China
| | - Jinwu Chen
- Anhui Province Key Laboratory of Medical Physics and Technology, Institute of Health & Medical Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China; School of Life Science, Hefei Normal University, Hefei 230061, China.
| | - Wencheng Song
- Anhui Province Key Laboratory of Medical Physics and Technology, Institute of Health & Medical Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China; Collaborative Innovation Center of Radiation Medicine, Jiangsu Higher Education Institutions and School for Radiological and Interdisciplinary Sciences, Soochow University, Suzhou 215123, China.
| | - Haiming Dai
- College of Pharmacy, Anhui Medical University, Hefei 230032, China; Anhui Province Key Laboratory of Medical Physics and Technology, Institute of Health & Medical Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China.
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Wang W, Zheng P, Yan L, Chen X, Wang Z, Liu Q. Mechanism of non-thermal atmospheric plasma in anti-tumor: influencing intracellular RONS and regulating signaling pathways. Free Radic Res 2024; 58:333-353. [PMID: 38767976 DOI: 10.1080/10715762.2024.2358026] [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: 02/05/2024] [Accepted: 05/13/2024] [Indexed: 05/22/2024]
Abstract
Non-thermal atmospheric plasma (NTAP) has been proven to be an effective anti-tumor tool, with various biological effects such as inhibiting tumor proliferation, metastasis, and promoting tumor cell apoptosis. At present, the main conclusion is that ROS and RNS are the main effector components of NTAP, but the mechanisms of which still lack systematic summary. Therefore, in this review, we first summarized the mechanism by which NTAP directly or indirectly causes an increase in intracellular RONS concentration, and the multiple pathways dysregulation (i.e. NRF2, PI3K, MAPK, NF-κB) induced by intracellular RONS. Then, we generalized the relationship between NTAP induced pathways dysregulation and the various biological effects it brought. The summary of the anti-tumor mechanism of NTAP is helpful for its further research and clinical transformation.
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Affiliation(s)
- Wenjie Wang
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- School of Stomatology, Southern Medical University, Guangzhou, China
| | - Peijia Zheng
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- School of Stomatology, Southern Medical University, Guangzhou, China
| | - Liang Yan
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- School of Stomatology, Southern Medical University, Guangzhou, China
| | - Xiaoman Chen
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- School of Stomatology, Southern Medical University, Guangzhou, China
| | - Zhicheng Wang
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- School of Stomatology, Southern Medical University, Guangzhou, China
| | - Qi Liu
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
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3
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Tanaka S, Hayashi S, Otsuka T, Kamiya T, Ishikawa K, Hara H. Inhibition of glutamine metabolism increases sensitivity to plasma-activated medium-induced cytotoxicity. Free Radic Res 2024; 58:170-179. [PMID: 38511644 DOI: 10.1080/10715762.2024.2332343] [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: 12/15/2023] [Accepted: 01/19/2024] [Indexed: 03/22/2024]
Abstract
Non-thermal atmospheric pressure plasma (NTP), an ionized gas containing electrons, ions, radicals, and photons, has various biological effects, including wound healing and anticancer effects. Plasma-activated medium (PAM), which is prepared by irradiating medium with NTP, preferentially kills cancer cells. Large amounts of reactive oxygen species (ROS) and reactive nitrogen species (RNS) included in PAM are closely related to its anticancer effects. The precise mechanism of PAM-induced cytotoxicity is not fully understood; however, PAM exposure has been reported to reduce cellular energy metabolism. Glutamine (Gln) is an important amino acid as an energy source in cancer cells. Gln is converted to glutamate by glutaminase (GLS), and is utilized to synthesize ATP and glutathione (GSH). Expression levels of GLS have been shown to be higher in certain types of cancers. In this study, we examined the effects of GLS inhibition on PAM cytotoxicity using breast cancer MDA-MB-231 cells. Pretreatment with BPTES, a glutaminase 1 (GLS1) inhibitor, dose-dependently enhanced PAM-induced cell death. PAM-induced ROS production and γ-H2AX formation, a DNA damage marker, were increased in cells pretreated with BPTES compared with PAM alone. BPTES pretreatment enhanced a PAM-induced decrease in intracellular GSH, indicating the possibility that BPTES reduces the antioxidant capacity of MDA-MB-231 cells. In addition, BPTES pretreatment enhanced PAM-induced loss of the mitochondrial membrane potential and reduction of ATP production. Moreover, GLS1 knockdown promoted PAM-induced cell death. Taken together, the combination of GLS1 inhibitors such as BPTES is considered to be useful for enhancing the cytotoxic effects of PAM against cancer cells.
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Affiliation(s)
- Shu Tanaka
- Gifu Pharmaceutical University, Gifu, Japan
| | | | | | | | - Kenji Ishikawa
- Center for Low-Temperature Plasma Sciences, Nagoya University, Nagoya, Japan
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4
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Chen F, He H, Wang L, Yang X, Gao J, Wang J, Zhang S, Huang S, Yang C. Toxicity study of rats treated by plasma-activated solution. Heliyon 2023; 9:e23116. [PMID: 38144323 PMCID: PMC10746464 DOI: 10.1016/j.heliyon.2023.e23116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 11/26/2023] [Accepted: 11/27/2023] [Indexed: 12/26/2023] Open
Abstract
Background Cold atmospheric plasma (CAP) is an effective treatment for various skin diseases. Plasma-activated solution (PAS) is an indirect method of CAP treatment that produces biological effects similar to those of direct treatment with plasma devices. The anticancer and bacteriostatic effects of PAS have been demonstrated in vitro experiments; however, on the basis of the lack of toxicological studies on PAS, its effects on living mammals when administered by subcutaneous injection is poorly known. Purpose The purpose of this study was to evaluate the effects of PAS on local skin tissue cells, blood system, heart, liver, lungs, kidneys and other vital organs of the rat when injected subcutaneously. Methods PAS was prepared by CAP irradiation of phosphate-buffered saline (PBS). PBS and different PBS groups (CAP irradiation for 1, 3, or 5 min) were injected subcutaneously once every 48 h. The rats were euthanized immediately after 10 cycles of therapy. Results No adverse effects were observed during the entire period of the experiment. Histopathological examination of organs and tissues revealed no structural changes. Moreover, no obvious structural changes were observed in skin tissue. DNA damage and cancerous proliferative changes were not detected in skin tissue treated with PAS. Subsequently, RNA sequencing and western blotting were performed. The results showed that PAS increased the expression of growth factors like transforming growth factor beta (TGF-β) and vascular endothelial growth factor A (VEGFA). These results might be directly linked to the role of PAS in stimulating TGF-β receptor signaling pathway and angiogenesis. Conclusion The results showed that multiple subcutaneous injections of PAS did not show significant toxic side effects on local skin tissues and some vital organs in rats, providing a scientific basis to support the future treatment of skin diseases with PAS.
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Affiliation(s)
- Fanfan Chen
- Department of Dermatology, The Second Affiliated Hospital, Anhui Medical University, Hefei, 230601, Anhui, PR China
| | - Houyu He
- Department of Dermatology, The Second Affiliated Hospital, Anhui Medical University, Hefei, 230601, Anhui, PR China
| | - Liyun Wang
- Department of Dermatology, The Second Affiliated Hospital, Anhui Medical University, Hefei, 230601, Anhui, PR China
| | - Xingyu Yang
- Department of Dermatology, The Second Affiliated Hospital, Anhui Medical University, Hefei, 230601, Anhui, PR China
| | - Jing Gao
- Department of Dermatology, The Second Affiliated Hospital, Anhui Medical University, Hefei, 230601, Anhui, PR China
| | - Jingwen Wang
- Department of Dermatology, The Second Affiliated Hospital, Anhui Medical University, Hefei, 230601, Anhui, PR China
| | - Shengquan Zhang
- Anhui Provincial Institute of Translational Medicine, Hefei, 230032, Anhui, PR China
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, Anhui, PR China
| | - Shenghai Huang
- Department of Microbiology, Anhui Medical University, Hefei, 230032, Anhui, PR China
| | - Chunjun Yang
- Department of Dermatology, The Second Affiliated Hospital, Anhui Medical University, Hefei, 230601, Anhui, PR China
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5
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Otsubo Y, Yamashita A, Goto Y, Sakai K, Iida T, Yoshimura S, Johzuka K. Cellular responses to compound stress induced by atmospheric-pressure plasma in fission yeast. J Cell Sci 2023; 136:jcs261292. [PMID: 37990810 DOI: 10.1242/jcs.261292] [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: 04/28/2023] [Accepted: 11/13/2023] [Indexed: 11/23/2023] Open
Abstract
The stress response is one of the most fundamental cellular processes. Although the molecular mechanisms underlying responses to a single stressor have been extensively studied, cellular responses to multiple stresses remain largely unknown. Here, we characterized fission yeast cellular responses to a novel stress inducer, non-thermal atmospheric-pressure plasma. Plasma irradiation generates ultraviolet radiation, electromagnetic fields and a variety of chemically reactive species simultaneously, and thus can impose multiple stresses on cells. We applied direct plasma irradiation to fission yeast and showed that strong plasma irradiation inhibited fission yeast growth. We demonstrated that mutants lacking sep1 and ace2, both of which encode transcription factors required for proper cell separation, were resistant to plasma irradiation. Sep1-target transcripts were downregulated by mild plasma irradiation. We also demonstrated that plasma irradiation inhibited the target of rapamycin kinase complex 1 (TORC1). These observations indicate that two pathways, namely the Sep1-Ace2 cell separation pathway and TORC1 pathway, operate when fission yeast cope with multiple stresses induced by plasma irradiation.
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Affiliation(s)
- Yoko Otsubo
- Interdisciplinary Research Unit, National Institute for Basic Biology, Nishigonaka 38, Myodaiji, Okazaki, Aichi 444-8585, Japan
| | - Akira Yamashita
- Interdisciplinary Research Unit, National Institute for Basic Biology, Nishigonaka 38, Myodaiji, Okazaki, Aichi 444-8585, Japan
- Center for Low-temperature Plasma Sciences, Nagoya University, Nagoya, Aichi 464-8601, Japan
| | - Yuhei Goto
- Quantitative Biology Research Group, Exploratory Research Center on Life and Living Systems (ExCELLS), 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, Japan
- Division of Quantitative Biology, National Institute for Basic Biology, 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, Japan
- Department of Basic Biology, School of Life Science, SOKENDAI (The Graduate University for Advanced Studies), Nishigonaka 38, Myodaiji, Okazaki, Aichi 444-8585, Japan
| | - Keiichiro Sakai
- Quantitative Biology Research Group, Exploratory Research Center on Life and Living Systems (ExCELLS), 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, Japan
- Division of Quantitative Biology, National Institute for Basic Biology, 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, Japan
- Department of Basic Biology, School of Life Science, SOKENDAI (The Graduate University for Advanced Studies), Nishigonaka 38, Myodaiji, Okazaki, Aichi 444-8585, Japan
| | - Tetsushi Iida
- Gene Engineering Division, RIKEN BioResource Research Center (BRC), 3-1-1 Koyadai, Tsukuba-shi, Ibaraki 305-0074, Japan
| | - Shinji Yoshimura
- Center for Low-temperature Plasma Sciences, Nagoya University, Nagoya, Aichi 464-8601, Japan
- National Institute for Fusion Science, 322-6 Oroshi, Toki, Gifu 509-5292, Japan
| | - Katsuki Johzuka
- Interdisciplinary Research Unit, National Institute for Basic Biology, Nishigonaka 38, Myodaiji, Okazaki, Aichi 444-8585, Japan
- Department of Basic Biology, School of Life Science, SOKENDAI (The Graduate University for Advanced Studies), Nishigonaka 38, Myodaiji, Okazaki, Aichi 444-8585, Japan
- Astrobiology Center, National Institutes of Natural Sciences, Nishigonaka 38, Myodaiji, Aichi 444-8585, Japan
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6
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Dirks T, Yayci A, Klopsch S, Krewing M, Zhang W, Hollmann F, Bandow JE. Immobilization protects enzymes from plasma-mediated inactivation. J R Soc Interface 2023; 20:20230299. [PMID: 37876274 PMCID: PMC10598437 DOI: 10.1098/rsif.2023.0299] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 09/25/2023] [Indexed: 10/26/2023] Open
Abstract
Non-thermal plasmas are used in various applications to inactivate biological agents or biomolecules. A complex cocktail of reactive species, (vacuum) UV radiation and in some cases exposure to an electric field together cause the detrimental effects. In contrast to this disruptive property of technical plasmas, we have shown previously that it is possible to use non-thermal plasma-generated species such as H2O2 as cosubstrates in biocatalytic reactions. One of the main limitations in plasma-driven biocatalysis is the relatively short enzyme lifetime under plasma-operating conditions. This challenge could be overcome by immobilizing the enzymes on inert carrier materials. Here, we tested whether immobilization is suited to protect proteins from inactivation by plasma. To this end, using a dielectric barrier discharge device (PlasmaDerm), plasma stability was tested for five enzymes immobilized on ten different carrier materials. A comparative analysis of the treatment times needed to reduce enzyme activity of immobilized and free enzyme by 30% showed a maximum increase by a factor of 44. Covalent immobilization on a partly hydrophobic carrier surface proved most effective. We conclude from the study, that immobilization universally protects enzymes under plasma-operating conditions, paving the way for new emerging applications.
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Affiliation(s)
- Tim Dirks
- Applied Microbiology, Faculty of Biology and Biotechnology, Ruhr University Bochum, Bochum, Germany
| | - Abdulkadir Yayci
- Applied Microbiology, Faculty of Biology and Biotechnology, Ruhr University Bochum, Bochum, Germany
| | - Sabrina Klopsch
- Applied Microbiology, Faculty of Biology and Biotechnology, Ruhr University Bochum, Bochum, Germany
| | - Marco Krewing
- Applied Microbiology, Faculty of Biology and Biotechnology, Ruhr University Bochum, Bochum, Germany
| | - Wuyuan Zhang
- National Innovation Center for Synthetic Biotechnology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, People's Republic of China
| | - Frank Hollmann
- Department of Biotechnology, Delft University of Technology, Delft, The Netherlands
| | - Julia E. Bandow
- Applied Microbiology, Faculty of Biology and Biotechnology, Ruhr University Bochum, Bochum, Germany
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7
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Abduvokhidov D, Yusupov M, Shahzad A, Attri P, Shiratani M, Oliveira MC, Razzokov J. Unraveling the Transport Properties of RONS across Nitro-Oxidized Membranes. Biomolecules 2023; 13:1043. [PMID: 37509079 PMCID: PMC10377474 DOI: 10.3390/biom13071043] [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: 05/19/2023] [Revised: 06/13/2023] [Accepted: 06/25/2023] [Indexed: 07/30/2023] Open
Abstract
The potential of cold atmospheric plasma (CAP) in biomedical applications has received significant interest, due to its ability to generate reactive oxygen and nitrogen species (RONS). Upon exposure to living cells, CAP triggers alterations in various cellular components, such as the cell membrane. However, the permeation of RONS across nitrated and oxidized membranes remains understudied. To address this gap, we conducted molecular dynamics simulations, to investigate the permeation capabilities of RONS across modified cell membranes. This computational study investigated the translocation processes of less hydrophilic and hydrophilic RONS across the phospholipid bilayer (PLB), with various degrees of oxidation and nitration, and elucidated the impact of RONS on PLB permeability. The simulation results showed that less hydrophilic species, i.e., NO, NO2, N2O4, and O3, have a higher penetration ability through nitro-oxidized PLB compared to hydrophilic RONS, i.e., HNO3, s-cis-HONO, s-trans-HONO, H2O2, HO2, and OH. In particular, nitro-oxidation of PLB, induced by, e.g., cold atmospheric plasma, has minimal impact on the penetration of free energy barriers of less hydrophilic species, while it lowers these barriers for hydrophilic RONS, thereby enhancing their translocation across nitro-oxidized PLB. This research contributes to a better understanding of the translocation abilities of RONS in the field of plasma biomedical applications and highlights the need for further analysis of their role in intracellular signaling pathways.
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Affiliation(s)
- Davronjon Abduvokhidov
- Institute of Fundamental and Applied Research, National Research University TIIAME, Kori Niyoziy 39, Tashkent 100000, Uzbekistan
- Department of Information Technologies, Tashkent International University of Education, Imom Bukhoriy 6, Tashkent 100207, Uzbekistan
- Institute of Material Sciences, Academy of Sciences, Chingiz Aytmatov 2b, Tashkent 100084, Uzbekistan
| | - Maksudbek Yusupov
- R&D Center, New Uzbekistan University, Mustaqillik Avenue 54, Tashkent 100007, Uzbekistan
- Department of Power Supply and Renewable Energy Sources, National Research University TIIAME, Kori Niyoziy 39, Tashkent 100000, Uzbekistan
- Laboratory of Thermal Physics of Multiphase Systems, Arifov Institute of Ion-Plasma and Laser Technologies, Academy of Sciences of Uzbekistan, Tashkent 100125, Uzbekistan
- Research Group PLASMANT, Department of Chemistry, University of Antwerp, Universiteitsplein 1, 2610 Antwerp, Belgium
| | - Aamir Shahzad
- Modeling and Simulation Laboratory, Department of Physics, Government College University Faisalabad (GCUF), Allama Iqbal Road, Faisalabad 38040, Pakistan
| | - Pankaj Attri
- Center of Plasma Nano-Interface Engineering, Kyushu University, Fukuoka 819-0395, Japan
- Faculty of Information Science and Electrical Engineering, Kyushu University, Fukuoka 819-0395, Japan
| | - Masaharu Shiratani
- Center of Plasma Nano-Interface Engineering, Kyushu University, Fukuoka 819-0395, Japan
- Faculty of Information Science and Electrical Engineering, Kyushu University, Fukuoka 819-0395, Japan
| | - Maria C Oliveira
- Research Group PLASMANT, Department of Chemistry, University of Antwerp, Universiteitsplein 1, 2610 Antwerp, Belgium
| | - Jamoliddin Razzokov
- Institute of Fundamental and Applied Research, National Research University TIIAME, Kori Niyoziy 39, Tashkent 100000, Uzbekistan
- School of Engineering, Akfa University, Milliy Bog Street 264, Tashkent 111221, Uzbekistan
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8
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Chen B, Jin T, Fu Z, Li H, Yang J, Liu Y, Han Y, Wang X, Wu Z, Xu T. Non-thermal plasma-treated melatonin inhibits the biological activity of HCC cells by increasing intracellular ROS levels and reducing RRM2 expression. Heliyon 2023; 9:e15992. [PMID: 37215864 PMCID: PMC10192739 DOI: 10.1016/j.heliyon.2023.e15992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 04/27/2023] [Accepted: 04/28/2023] [Indexed: 05/24/2023] Open
Abstract
Non-thermal plasma (NTP) is thought to have a cytotoxic effect on tumor cells. Although its application in cancer therapy has shown considerable promise, the current understanding of its mechanism of action and cellular responses remains incomplete. Furthermore, the use of melatonin (MEL) as an adjuvant anticancer drug remains unexplored. In this study, we found that NTP assists MEL in promoting apoptosis, delaying cell cycle progression, and inhibiting cell invasion and migration in hepatocellular carcinoma (HCC) cells. This mechanism may be associated with the regulation of intracellular reactive oxygen species levels and ribonucleotide reductase regulatory subunit M2 expression. Our findings confirm the pharmacological role of MEL and the adjuvant value of NTP, emphasizing their potential in combination therapy for HCC. Our study may have important implications for the development of new approaches for HCC treatment.
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Affiliation(s)
- Bangjie Chen
- First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Tao Jin
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, China
| | - Ziyue Fu
- Second Clinical School of Anhui Medical University, Hefei, China
| | - Haiwen Li
- Third Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Junfa Yang
- Second Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang, China
| | - Yucheng Liu
- First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Yanxun Han
- First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Xinyi Wang
- First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Zhengwei Wu
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, China
- CAS Key Laboratory of Geospace Environment, University of Science and Technology of China, Hefei, China
| | - Tao Xu
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province; School of Pharmacy, Anhui Medical University, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
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9
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Tanaka H, Mizuno M, Ishikawa K, Miron C, Okazaki Y, Toyokuni S, Nakamura K, Kajiyama H, Hori M. Plasma activated Ringer's lactate solution. Free Radic Res 2023; 57:14-20. [PMID: 36815453 DOI: 10.1080/10715762.2023.2182663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
Low-temperature plasma (LTP) has been widely used in life science. Plasma-activated solutions were defined as solutions irradiated with LTP, and water, medium, and Ringer's solutions have been irradiated with LTP to produce plasma-activated solutions. They contain chemical compounds produced by reactions among LTP, air, and solutions. Reactive oxygen and nitrogen species (RONS) are major components in plasma-activated solutions and recent studies revealed that plasma-activated organic compounds are produced in plasma-activated Ringer's lactate solution (PAL). Many in vitro and in vivo studies demonstrated that PAL exhibits anti-tumor effects on cancers, and biochemical analyses revealed intracellular molecular mechanisms of cancer cell death by PAL.
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Affiliation(s)
- Hiromasa Tanaka
- Center for Low-temperature Plasma Sciences, Nagoya University, Nagoya, Japan
| | - Masaaki Mizuno
- Center for Advanced Medicine and Clinical Research, Nagoya University Hospital, Nagoya, Japan
| | - Kenji Ishikawa
- Center for Low-temperature Plasma Sciences, Nagoya University, Nagoya, Japan
| | - Camelia Miron
- Center for Low-temperature Plasma Sciences, Nagoya University, Nagoya, Japan
| | - Yasumasa Okazaki
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Shinya Toyokuni
- Center for Low-temperature Plasma Sciences, Nagoya University, Nagoya, Japan.,Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Kae Nakamura
- Center for Low-temperature Plasma Sciences, Nagoya University, Nagoya, Japan.,Department of Obstetrics and Gynecology, Nagoya University, Graduate School of Medicine, Nagoya, Japan
| | - Hiroaki Kajiyama
- Center for Low-temperature Plasma Sciences, Nagoya University, Nagoya, Japan.,Department of Obstetrics and Gynecology, Nagoya University, Graduate School of Medicine, Nagoya, Japan
| | - Masaru Hori
- Center for Low-temperature Plasma Sciences, Nagoya University, Nagoya, Japan
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10
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Chupradit S, Widjaja G, Radhi Majeed B, Kuznetsova M, Ansari MJ, Suksatan W, Turki Jalil A, Ghazi Esfahani B. Recent advances in cold atmospheric plasma (CAP) for breast cancer therapy. Cell Biol Int 2023; 47:327-340. [PMID: 36342241 DOI: 10.1002/cbin.11939] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 08/29/2022] [Accepted: 10/11/2022] [Indexed: 11/09/2022]
Abstract
The serious problems of conventional breast cancer therapy strategies such as drug resistance, severe side effects, and lack of selectivity prompted the development of various cold atmospheric plasma (CAP) devices. Due to its advanced technology, CAP can produce a unique environment rich in reactive oxygen and nitrogen species (RONS), photons, charged ions, and an electric field, making it a promising revolutionary platform for cancer therapy. Despite substantial technological successes, CAP-based therapeutic systems are encounter with distinct limitations, including low control of the generated RONS, poor knowledge about its anticancer mechanisms, and challenges concerning designing, manufacturing, clinical translation, and commercialization, which must be resolved. The latest developments in CAP-based therapeutic systems for breast cancer treatment are discussed in this review. More significantly, the integration of CAP-based medicine approaches with other breast cancer therapies, including chemo- and nanotherapy is thoroughly addressed.
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Affiliation(s)
- Supat Chupradit
- Department of Occupational Therapy, Faculty of Associated Medical Sciences, Chiang Mai University, Suthep, Chiang Mai, Thailand
| | - Gunawan Widjaja
- Universitas Krisnadwipayana, Universitas Indonesia, Jakarta, Indonesia
| | | | - Maria Kuznetsova
- Department of Propaedeutics of Dental Diseases, I.M. Sechenov First Moscow State Medical University, Moskva, Russia
| | - Mohammad Javed Ansari
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-kharj, Saudi Arabia
| | - Wanich Suksatan
- HRH Princess Chulabhorn College of Medical Science, Chulabhorn Royal Academy, Faculty of Nursing, Bangkok, Thailand
| | - Abduladheem Turki Jalil
- Faculty of Biology and Ecology, Yanka Kupala State University of Grodno, Grodno, Belarus.,College of Technical Engineering, The Islamic University, Najaf, Iraq.,Department of Dentistry, Kut University College, Kut, Wasit, Iraq
| | - Bahar Ghazi Esfahani
- Department of Biological Sciences and Technologies, University of Isfahan, Iran, Isfahan
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11
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Okazaki Y, Ito N, Tanaka H, Hori M, Toyokuni S. Non-thermal plasma elicits ferrous chloride-catalyzed DMPO-OH. Free Radic Res 2022; 56:595-606. [PMID: 36519277 DOI: 10.1080/10715762.2022.2157272] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Non-thermal plasma (NTP) induces the generation of reactive oxygen species (ROS) and reactive nitrogen species, such as hydroxyl radicals (•OH), hydrogen peroxide (H2O2), singlet oxygen, superoxide, ozone, and nitric oxide, at near-physiological temperatures. These molecules promote blood coagulation, wound healing, disinfection, and selective cancer cell death. Based on these evidences, clinical trials of NTP have been conducted for treating chronic wounds and head and neck cancers. Although clinical applications have progressed, the stoichiometric quantification of NTP-induced ROS remains unclear in the liquid phase in the presence of FeCl2 or FeCl3 in combination with biocompatible reducing agents, which may modulate the final biological effects of NTP. In this study, we employed electron paramagnetic resonance spectroscopy to quantify ROS using spin-trapping probe, 5,5-dimethyl-1-pyrroline-N-oxide (DMPO) and H2O2, using luminescent probe in the presence of FeCl2 or FeCl3. NTP-induced DMPO-OH levels were elevated 10-100 µM FeCl2 or 500 and 1000 µM FeCl3. NTP-induced DMPO-OH with 10 µM FeCl2 or FeCl3 was significantly scavenged by ascorbate, α-tocopherol, dithiothreitol, reduced glutathione, or oxidized glutathione, whereas dehydroascorbate was ineffective in 2 mM DMPO. NTP-induced H2O2 was significantly degraded by 100 µM FeCl2 and FeCl3 in an iron-dependent manner. Meanwhile, decomposition of H2O2 by catalase decayed DMPO-OH efficiently in the presence of iron, indicating iron causes DMPO-OH production and degradation simultaneously. These results suggest that NTP-induced DMPO-OH is generated by the H2O2-consuming, iron-dependent Fenton reaction and ferryl intermediates. The potential iron-mediated ROS production by NTP is also discussed to clarify the interaction between NTP-induced ROS and biomolecules.
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Affiliation(s)
- Yasumasa Okazaki
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Nanami Ito
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Hiromasa Tanaka
- Center for Low-temperature Plasma Sciences, Nagoya University, Nagoya, Japan.,Center for Advanced Medicine and Clinical Research, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Masaru Hori
- Center for Low-temperature Plasma Sciences, Nagoya University, Nagoya, Japan
| | - Shinya Toyokuni
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya, Japan.,Center for Low-temperature Plasma Sciences, Nagoya University, Nagoya, Japan
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12
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Zhao L, Yan C, Kong S, Jia T, Chu Z, Yang L, Wu J, Geng S, Guo K. Biosafety and differentially expressed genes analysis of melanoma cells treated with cold atmospheric plasma. JOURNAL OF BIOPHOTONICS 2022; 15:e202100403. [PMID: 35261164 DOI: 10.1002/jbio.202100403] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 03/06/2022] [Accepted: 03/07/2022] [Indexed: 06/14/2023]
Abstract
Cold atmospheric plasma (CAP) has attracted increasing attention due to its anti-bacterial and anti-tumor effects. Melanoma is an aggressive malignancy with increasing incidence rate and poor prognosis. Evaluating cell viability, apoptosis rate and reactive species injection efficiency of melanoma cells and human keratinocyte cells (HaCaT) treated with CAP to analyze biological safety of CAP. RNA-sequencing (RNA-seq) of A875 cells before and after treatment was performed to further explore the anti-tumor mechanism of CAP. CAP had a more significant biological effect on melanoma cells than HaCaT cells by inhibiting proliferation and promoting apoptosis. RNA-sequencing analysis showed that besides MAPK and p53 apoptotic signaling pathways, necroptosis and autophagy also played important roles in CAP-induced melanoma cells death. CAP can selectively kill melanoma cells and has good biosafety cytologically. Besides apoptosis, CAP can induce cell death via autophagy and necroptosis.
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Affiliation(s)
- Lihong Zhao
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Cong Yan
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Shuzhen Kong
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Tao Jia
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Zhaowei Chu
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Li Yang
- Department of Dermatology, Shaanxi Provincial People's Hospital, Xi'an, China
| | - Jian Wu
- State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, China
| | - Songmei Geng
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Kun Guo
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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13
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Qi M, Xu D, Wang S, Li B, Peng S, Li Q, Zhang H, Fan R, Chen H, Kong MG. In Vivo Metabolic Analysis of the Anticancer Effects of Plasma-Activated Saline in Three Tumor Animal Models. Biomedicines 2022; 10:biomedicines10030528. [PMID: 35327329 PMCID: PMC8945198 DOI: 10.3390/biomedicines10030528] [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: 12/20/2021] [Revised: 02/12/2022] [Accepted: 02/20/2022] [Indexed: 02/04/2023] Open
Abstract
In recent years, the emerging technology of cold atmospheric pressure plasma (CAP) has grown rapidly along with the many medical applications of cold plasma (e.g., cancer, skin disease, tissue repair, etc.). Plasma-activated liquids (e.g., culture media, water, or normal saline, previously exposed to plasma) are being studied as cancer treatments, and due to their advantages, many researchers prefer plasma-activated liquids as an alternative to CAP in the treatment of cancer. In this study, we showed that plasma-activated-saline (PAS) treatment significantly inhibited tumor growth, as compared with saline, in melanoma, and a low-pH environment had little effect on tumor growth in vivo. In addition, based on an ultra-high-performance liquid tandem chromatography-quadrupole time-of-flight mass spectrometry (UHPLC-QTOF-MS) analysis of tumor cell metabolism, the glycerophospholipid metabolic pathway was the most susceptible metabolic pathway to PAS treatment in melanoma in vitro and in vivo. Furthermore, PAS also inhibited cell proliferation in vivo in oral tongue squamous-cell cancer and non-small-cell lung cancer. There were few toxic side effects in the three animal models, and the treatment was deemed safe to use. In the future, plasma-activated liquids may serve as a potential therapeutic approach in the treatment of cancer.
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Affiliation(s)
- Miao Qi
- State Key Laboratory of Electrical Insulation and Power Equipment, Centre for Plasma Biomedicine, Xi’an Jiaotong University, Xi’an 710049, China; (M.Q.); (S.P.); (Q.L.); (H.Z.); (R.F.)
- The School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, China; (S.W.); (B.L.)
| | - Dehui Xu
- State Key Laboratory of Electrical Insulation and Power Equipment, Centre for Plasma Biomedicine, Xi’an Jiaotong University, Xi’an 710049, China; (M.Q.); (S.P.); (Q.L.); (H.Z.); (R.F.)
- Correspondence: (D.X.); (M.G.K.)
| | - Shuai Wang
- The School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, China; (S.W.); (B.L.)
| | - Bing Li
- The School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, China; (S.W.); (B.L.)
| | - Sansan Peng
- State Key Laboratory of Electrical Insulation and Power Equipment, Centre for Plasma Biomedicine, Xi’an Jiaotong University, Xi’an 710049, China; (M.Q.); (S.P.); (Q.L.); (H.Z.); (R.F.)
| | - Qiaosong Li
- State Key Laboratory of Electrical Insulation and Power Equipment, Centre for Plasma Biomedicine, Xi’an Jiaotong University, Xi’an 710049, China; (M.Q.); (S.P.); (Q.L.); (H.Z.); (R.F.)
| | - Hao Zhang
- State Key Laboratory of Electrical Insulation and Power Equipment, Centre for Plasma Biomedicine, Xi’an Jiaotong University, Xi’an 710049, China; (M.Q.); (S.P.); (Q.L.); (H.Z.); (R.F.)
| | - Runze Fan
- State Key Laboratory of Electrical Insulation and Power Equipment, Centre for Plasma Biomedicine, Xi’an Jiaotong University, Xi’an 710049, China; (M.Q.); (S.P.); (Q.L.); (H.Z.); (R.F.)
| | - Hailan Chen
- Frank Reidy Center for Bioelectrics, Old Dominion University, Norfolk, VA 23508, USA;
| | - Michael G. Kong
- Frank Reidy Center for Bioelectrics, Old Dominion University, Norfolk, VA 23508, USA;
- Department of Electrical and Computer Engineering, Old Dominion University, Norfolk, VA 23529, USA
- Correspondence: (D.X.); (M.G.K.)
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14
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Okazaki Y, Sasaki K, Ito N, Tanaka H, Matsumoto KI, Hori M, Toyokuni S. Tetrachloroaurate (III)-induced oxidation increases non-thermal plasma-induced oxidative stress. Free Radic Res 2022; 56:17-27. [DOI: 10.1080/10715762.2022.2026348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Yasumasa Okazaki
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Kanako Sasaki
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Nanami Ito
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Hiromasa Tanaka
- Center for Low-Temperature Plasma Sciences, Nagoya University, Nagoya, Japan
- Center for Advanced Medicine and Clinical Research, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Ken-Ichiro Matsumoto
- Department of Radiation Regulatory Science Research, Quantitative RedOx Sensing Group, National Institute of Radiological Sciences, Quantum Life and Medical Science Directorate, National Institutes for Quantum and Radiological Science and Technology, Chiba, Japan
| | - Masaru Hori
- Center for Low-Temperature Plasma Sciences, Nagoya University, Nagoya, Japan
| | - Shinya Toyokuni
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya, Japan
- Center for Low-Temperature Plasma Sciences, Nagoya University, Nagoya, Japan
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15
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Aggelopoulos CA, Christodoulou AM, Tachliabouri M, Meropoulis S, Christopoulou ME, Karalis TT, Chatzopoulos A, Skandalis SS. Cold Atmospheric Plasma Attenuates Breast Cancer Cell Growth Through Regulation of Cell Microenvironment Effectors. Front Oncol 2022; 11:826865. [PMID: 35111687 PMCID: PMC8801750 DOI: 10.3389/fonc.2021.826865] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 12/22/2021] [Indexed: 12/31/2022] Open
Abstract
Breast cancer exists in multiple subtypes some of which still lack a targeted and effective therapy. Cold atmospheric plasma (CAP) has been proposed as an emerging anti-cancer treatment modality. In this study, we investigated the effects of direct and indirect CAP treatment driven by the advantageous nanosecond pulsed discharge on breast cancer cells of different malignant phenotypes and estrogen receptor (ER) status, a major factor in the prognosis and therapeutic management of breast cancer. The main CAP reactive species in liquid (i.e. H2O2, NO2−/NO3−) and gas phase were determined as a function of plasma operational parameters (i.e. treatment time, pulse voltage and frequency), while pre-treatment with the ROS scavenger NAC revealed the impact of ROS in the treatment. CAP treatment induced intense phenotypic changes and apoptosis in both ER+ and ER- cells, which is associated with the mitochondrial pathway as evidenced by the increased Bax/Bcl-2 ratio and cleavage of PARP-1. Interestingly, CAP significantly reduced CD44 protein expression (a major cancer stem cell marker and matrix receptor), while differentially affected the expression of proteases and inflammatory mediators. Collectively, the findings of the present study suggest that CAP suppresses breast cancer cell growth and regulates several effectors of the tumor microenvironment and thus it could represent an efficient therapeutic approach for distinct breast cancer subtypes.
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Affiliation(s)
- Christos A. Aggelopoulos
- Laboratory of Cold Plasma and Advanced Techniques for Improving Environmental Systems, Institute of Chemical Engineering Sciences, Foundation for Research and Technology Hellas (FORTH/ICE-HT), Patras, Greece
- *Correspondence: Christos A. Aggelopoulos, ; Spyros S. Skandalis,
| | - Anna-Maria Christodoulou
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Res. Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Patras, Greece
| | - Myrsini Tachliabouri
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Res. Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Patras, Greece
| | - Stauros Meropoulis
- Laboratory of Cold Plasma and Advanced Techniques for Improving Environmental Systems, Institute of Chemical Engineering Sciences, Foundation for Research and Technology Hellas (FORTH/ICE-HT), Patras, Greece
| | - Maria-Elpida Christopoulou
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Res. Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Patras, Greece
| | - Theodoros T. Karalis
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Res. Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Patras, Greece
| | - Athanasios Chatzopoulos
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Res. Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Patras, Greece
| | - Spyros S. Skandalis
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Res. Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Patras, Greece
- *Correspondence: Christos A. Aggelopoulos, ; Spyros S. Skandalis,
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16
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Tanaka H, Hosoi Y, Ishikawa K, Yoshitake J, Shibata T, Uchida K, Hashizume H, Mizuno M, Okazaki Y, Toyokuni S, Nakamura K, Kajiyama H, Kikkawa F, Hori M. Low temperature plasma irradiation products of sodium lactate solution that induce cell death on U251SP glioblastoma cells were identified. Sci Rep 2021; 11:18488. [PMID: 34531507 PMCID: PMC8446009 DOI: 10.1038/s41598-021-98020-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 09/02/2021] [Indexed: 11/17/2022] Open
Abstract
Low-temperature plasma is being widely used in the various fields of life science, such as medicine and agriculture. Plasma-activated solutions have been proposed as potential cancer therapeutic reagents. We previously reported that plasma-activated Ringer’s lactate solution exhibited selective cancer-killing effects, and that the plasma-treated L-sodium lactate in the solution was an anti-tumor factor; however, the components that are generated through the interactions between plasma and L-sodium lactate and the components responsible for the selective killing of cancer cells remain unidentified. In this study, we quantified several major chemical products, such as pyruvate, formate, and acetate, in plasma-activated L-sodium lactate solution by nuclear magnetic resonance analysis. We further identified novel chemical products, such as glyoxylate and 2,3-dimethyltartrate, in the solution by direct infusion-electrospray ionization with tandem mass spectrometry analysis. We found that 2,3-dimethyltartrate exhibited cytotoxic effects in glioblastoma cells, but not in normal astrocytes. These findings shed light on the identities of the components that are responsible for the selective cytotoxic effect of plasma-activated solutions on cancer cells, and provide useful data for the potential development of cancer treatments using plasma-activated L-sodium lactate solution.
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Affiliation(s)
- Hiromasa Tanaka
- Center for Low-Temperature Plasma Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan.
| | - Yugo Hosoi
- Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan
| | - Kenji Ishikawa
- Center for Low-Temperature Plasma Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan
| | - Jun Yoshitake
- Institute of Nano-Life-Systems, Institute of Innovation for Future Society, Nagoya University, Nagoya, 464-8601, Japan
| | - Takahiro Shibata
- Institute of Nano-Life-Systems, Institute of Innovation for Future Society, Nagoya University, Nagoya, 464-8601, Japan.,Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan
| | - Koji Uchida
- Institute of Nano-Life-Systems, Institute of Innovation for Future Society, Nagoya University, Nagoya, 464-8601, Japan.,Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan.,Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan
| | - Hiroshi Hashizume
- Institutes of Innovation for Future Society, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan
| | - Masaaki Mizuno
- Center for Advanced Medicine and Clinical Research, Nagoya University Hospital, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Yasumasa Okazaki
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Shinya Toyokuni
- Center for Low-Temperature Plasma Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan.,Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Kae Nakamura
- Center for Low-Temperature Plasma Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan.,Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Hiroaki Kajiyama
- Center for Low-Temperature Plasma Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan.,Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Fumitaka Kikkawa
- Center for Low-Temperature Plasma Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan.,Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Masaru Hori
- Center for Low-Temperature Plasma Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan
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17
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Okazaki Y, Tanaka H, Matsumoto KI, Hori M, Toyokuni S. Non-thermal plasma-induced DMPO-OH yields hydrogen peroxide. Arch Biochem Biophys 2021; 705:108901. [PMID: 33964248 DOI: 10.1016/j.abb.2021.108901] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 04/14/2021] [Accepted: 04/29/2021] [Indexed: 12/26/2022]
Abstract
Recent developments in electronics have enabled the medical applications of non-thermal plasma (NTP), which elicits reactive oxygen species (ROS) and reactive nitrogen species (RNS), such as hydroxyl radical (●OH), hydrogen peroxide (H2O2), singlet oxygen (1O2), superoxide (O2●-), ozone, and nitric oxide at near-physiological temperatures. In preclinical studies or human clinical trials, NTP promotes blood coagulation, eradication of bacterial, viral and biofilm-related infections, wound healing, and cancer cell death. To elucidate the solution-phase biological effects of NTP in the presence of biocompatible reducing agents, we employed electron paramagnetic resonance (EPR) spectroscopy to quantify ●OH using a spin-trapping probe, 5,5-dimethyl-1-pyrroline-N-oxide (DMPO); 1O2 using a fluorescent probe; and O2●- and H2O2 using luminescent probes in the presence of thiols or tempol. NTP-induced ●OH was significantly scavenged by dithiothreitol (DTT), reduced glutathione (GSH), and oxidized glutathione (GSSG) in 2 or 5 mM DMPO. NTP-induced O2●- was significantly scavenged by 10 μM DTT and GSH, while 1O2 was not efficiently scavenged by these compounds. GSSG degraded H2O2 more effectively than GSH and DTT, suggesting that the disulfide bonds reacted with H2O2. In the presence of 1-50 mM DMPO, NTP-induced H2O2 quantities were unchanged. The inhibitory effect of tempol concentration (50 and 100 μM) on H2O2 production was observed in 1 and 10 mM DMPO, whereas it became ineffective in 50 mM DMPO. Furthermore, DMPO-OH did not interact with tempol. These results suggest that DMPO and tempol react competitively with O2●-. Further studies are warranted to elucidate the interaction between NTP-induced ROS and biomolecules.
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Affiliation(s)
- Yasumasa Okazaki
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Showa-Ku, Nagoya, 466-8550, Japan.
| | - Hiromasa Tanaka
- Center for Low-temperature Plasma Sciences, Nagoya University, Chikusa-ku, Nagoya, 464-8603, Japan; Center for Advanced Medicine and Clinical Research, Nagoya University Graduate School of Medicine, Showa-Ku, Nagoya, 466-8550, Japan
| | - Ken-Ichiro Matsumoto
- Quantitative RedOx Sensing Group, Department of Radiation Regulatory Science Research, National Institute of Radiological Sciences, Quantum Life and Medical Science Directorate, National Institutes for Quantum and Radiological Science and Technology, Chiba, 263-8555, Japan
| | - Masaru Hori
- Center for Low-temperature Plasma Sciences, Nagoya University, Chikusa-ku, Nagoya, 464-8603, Japan
| | - Shinya Toyokuni
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Showa-Ku, Nagoya, 466-8550, Japan; Center for Low-temperature Plasma Sciences, Nagoya University, Chikusa-ku, Nagoya, 464-8603, Japan.
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18
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Open-Air Cold Plasma Device Leads to Selective Tumor Cell Cytotoxicity. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11094171] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The need for effective and safe therapies for cancer is growing as aging is modifying its epidemiology. Cold atmospheric plasma (CAP) has gained attention as a potential anti-tumor therapy. CAP is a gas with enough energy to ionize a significant fraction of its constituent particles, forming equal numbers of positive ions and electrons. Timely-resolved output voltage measurement, emission spectroscopy, and quantification of reactive species (RS) in plasma-activated media (PAM) were performed to characterize the physical and chemical properties of plasma. To assess the cytotoxicity of cold atmospheric plasma in human tumors, different cell lines were cultured, plated, and exposed to CAP, followed by MTT and SRB colorimetric assays 24 h later. Human fibroblasts, phenotypically normal cells, were processed similarly. Plasma cytotoxicity was higher in cells of breast cancer, urinary bladder cancer, osteosarcoma, lung cancer, melanoma, and endometrial cancer. Cytotoxicity was time-dependent and possibly related to the increased production of hydrogen peroxide in the exposed medium. Sixty seconds of CAP exposure renders selective effects, preserving the viability of fibroblast cells. These results point to the importance of conducting further studies of the therapy with plasma.
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19
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Muradyan GA, Gudkova ES, Khilazheva ED, Morgun AV, Malinovskaya NA, Salmina AB, Salmin VV. [Effect of sliding discharge on proliferation and death of brain microvessel endothelial cells in vitro]. BIOMEDIT︠S︡INSKAI︠A︡ KHIMII︠A︡ 2021; 67:150-157. [PMID: 33860772 DOI: 10.18097/pbmc20216702150] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The dose-dependent effects of plasma exposure to a unipolar nanosecond sliding discharge over the surface of the culture medium in a closed plate on the cells of cerebral endothelium in vitro were studied. Using a 24-well plate, the surface plasma energy density of one pulse was 360 μJ/cm2 at a pulse frequency of 100 Hz. It has been shown that in the creeping discharge plasma there is an active excitation of air molecules, the formation of positive nitrogen and oxygen ions, and the formation of carbon monoxide. In the dose density range of 0-32 J/cm2, the dose-dependent effects were assessed in the 4-12 h post-radiation period. Cell death was analyzed with an assessment of the total number of cells, necrotic cells, cells in apoptosis (phosphatidylserine externalization, internucleosomal DNA fragmentation) and their proliferative activity (Ki67-immunopositive cells). A preliminary assessment of subtle dose-dependent effects indicates the peculiarities of the effect of small doses.
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Affiliation(s)
- G A Muradyan
- Prof. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, Krasnoyarsk, Russia
| | - E S Gudkova
- Prof. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, Krasnoyarsk, Russia
| | - E D Khilazheva
- Prof. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, Krasnoyarsk, Russia
| | - A V Morgun
- Prof. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, Krasnoyarsk, Russia
| | - N A Malinovskaya
- Prof. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, Krasnoyarsk, Russia
| | - A B Salmina
- Prof. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, Krasnoyarsk, Russia
| | - V V Salmin
- Prof. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, Krasnoyarsk, Russia
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20
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Okazaki Y, Ishidzu Y, Ito F, Tanaka H, Hori M, Toyokuni S. L-Dehydroascorbate efficiently degrades non-thermal plasma-induced hydrogen peroxide. Arch Biochem Biophys 2021; 700:108762. [PMID: 33482147 DOI: 10.1016/j.abb.2021.108762] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/05/2021] [Accepted: 01/08/2021] [Indexed: 12/15/2022]
Abstract
Non-thermal plasma (NTP) devices generate reactive oxygen species (ROS) and reactive nitrogen species, such as singlet oxygen (1O2), superoxide (O2-), hydroxyl radical (●OH), hydrogen peroxide (H2O2), ozone, and nitric oxide at near-physiological temperature. In preclinical studies, NTP promotes blood coagulation, wound healing with disinfection, and selective killing of cancer cells. Although these biological effects of NTP have been widely explored, the stoichiometric quantitation of ROS in the liquid phase has not been performed in the presence of biocompatible reducing agents, which may modify the final biological effects of NTP. Here, we utilized electron paramagnetic resonance spectroscopy to quantitate ●OH, using a spin-trapping probe 5,5-dimethyl-1-pyrroline-N-oxide; 1O2, using a fluorescent probe; and O2- and H2O2, using luminescent probes, after NTP exposure in the presence of antioxidants. l-ascorbate (Asc) at 50 μM concentration (physiological concentration in serum) significantly scavenged ●OH, whereas (-)-epigallocatechin gallate (EGCG) and α-tocopherol were also effective at performing scavenging activities at 250 μM concentrations. Asc significantly scavenged O2- and H2O2 at 100 μM. l-Dehydroascorbate (DHA), an oxidized form of Asc, degraded H2O2, whereas it did not quench ●OH or O2-, which are sources of H2O2. Furthermore, EGCG efficiently scavenged NTP-induced 1O2, O2-, and H2O2 in Chelex-treated water. These results indicate that the redox cycling of Asc/DHA and metabolites of DHA are important to be considered when applying NTP to cells and tissues. Additionally, ROS-reducing compounds, such as EGCG, affect the outcome. Further studies are warranted to elucidate the interaction between ROS and biomolecules to promote the medical applications of NTP.
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Affiliation(s)
- Yasumasa Okazaki
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Showa-Ku, Nagoya, 466-8550, Japan.
| | - Yuuri Ishidzu
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Showa-Ku, Nagoya, 466-8550, Japan
| | - Fumiya Ito
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Showa-Ku, Nagoya, 466-8550, Japan
| | - Hiromasa Tanaka
- Center for Low-temperature Plasma Sciences, Nagoya University, Chikusa-ku, Nagoya, 464-8603, Japan; Center for Advanced Medicine and Clinical Research, Nagoya University Graduate School of Medicine, Showa-Ku, Nagoya, 466-8550, Japan
| | - Masaru Hori
- Center for Low-temperature Plasma Sciences, Nagoya University, Chikusa-ku, Nagoya, 464-8603, Japan
| | - Shinya Toyokuni
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Showa-Ku, Nagoya, 466-8550, Japan; Center for Low-temperature Plasma Sciences, Nagoya University, Chikusa-ku, Nagoya, 464-8603, Japan.
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21
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EGR1/GADD45α Activation by ROS of Non-Thermal Plasma Mediates Cell Death in Thyroid Carcinoma. Cancers (Basel) 2021; 13:cancers13020351. [PMID: 33477921 PMCID: PMC7833439 DOI: 10.3390/cancers13020351] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 01/11/2021] [Accepted: 01/15/2021] [Indexed: 12/14/2022] Open
Abstract
Simple Summary Recent studies have identified new anti-cancer mechanisms of nonthermal plasma (NTP) in several cancers. However, the molecular mechanisms underlying its therapeutic effect on thyroid cancer have not been elucidated. The objective of this study was to understand the anticancer effects of NTP-activated medium (NTPAM) on thyroid cancer cells and elucidate the signaling mechanisms responsible for NTPAM-induced thyroid cancer cell death. Abstract (1) Background: Nonthermal plasma (NTP) induces cell death in various types of cancer cells, providing a promising alternative treatment strategy. Although recent studies have identified new mechanisms of NTP in several cancers, the molecular mechanisms underlying its therapeutic effect on thyroid cancer (THCA) have not been elucidated. (2) Methods: To investigate the mechanism of NTP-induced cell death, THCA cell lines were treated with NTP-activated medium -(NTPAM), and gene expression profiles were evaluated using RNA sequencing. (3) Results: NTPAM upregulated the gene expression of early growth response 1 (EGR1). NTPAM-induced THCA cell death was enhanced by EGR1 overexpression, whereas EGR1 small interfering RNA had the opposite effect. NTPAM-derived reactive oxygen species (ROS) affected EGR1 expression and apoptotic cell death in THCA. NTPAM also induced the gene expression of growth arrest and regulation of DNA damage-inducible 45α (GADD45A) gene, and EGR1 regulated GADD45A through direct binding to its promoter. In xenograft in vivo tumor models, NTPAM inhibited tumor progression of THCA by increasing EGR1 levels. (4) Conclusions: Our findings suggest that NTPAM induces apoptotic cell death in THCA through a novel mechanism by which NTPAM-induced ROS activates EGR1/GADD45α signaling. Furthermore, our data provide evidence that the regulation of the EGR1/GADD45α axis can be a novel strategy for the treatment of THCA.
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22
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Tavares-da-Silva E, Pereira E, Pires AS, Neves AR, Braz-Guilherme C, Marques IA, Abrantes AM, Gonçalves AC, Caramelo F, Silva-Teixeira R, Mendes F, Figueiredo A, Botelho MF. Cold Atmospheric Plasma, a Novel Approach against Bladder Cancer, with Higher Sensitivity for the High-Grade Cell Line. BIOLOGY 2021; 10:biology10010041. [PMID: 33435434 PMCID: PMC7828061 DOI: 10.3390/biology10010041] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/02/2021] [Accepted: 01/07/2021] [Indexed: 12/24/2022]
Abstract
Simple Summary Bladder cancer has a high incidence and mortality. Besides this, currently available therapies for this type of cancer have low efficacy and show considerable adverse effects, urging the need of new therapeutic approaches. Cold Atmospheric Plasma treatment presents itself as a promising alternative, having demonstrated antitumor effects against several types of cancer. The present work arises from a multidisciplinary team, namely, medical doctors and researchers, in an attempt to find new therapeutic strategies to fight bladder cancer. Therefore, our main objective is to evaluate Cold Atmospheric Plasma effects against bladder cancer, as well as the mechanisms by which it exerts its effects. The results obtained demonstrate that Cold Atmospheric Plasma treatment has a promising antitumor effect on bladder cancer, with higher sensitivity for the high-grade cell line. This new approach using Cold Atmospheric Plasma for the treatment of bladder cancer presents enormous clinical benefits, since it is able to selectively treat the tumor tissue, sparing the normal urothelium, with an additional glaring positive economic impact, since it entails a decrease in the cost of therapy in comparison with conventional therapeutic options. Abstract Antitumor therapies based on Cold Atmospheric Plasma (CAP) are an emerging medical field. In this work, we evaluated CAP effects on bladder cancer. Two bladder cancer cell lines were used, HT-1376 (stage III) and TCCSUP (stage IV). Cell proliferation assays were performed evaluating metabolic activity (MTT assay) and protein content (SRB assay). Cell viability, cell cycle, and mitochondrial membrane potential (Δψm) were assessed using flow cytometry. Reactive oxygen and nitrogen species (RONS) and reduced glutathione (GSH) were evaluated by fluorescence. The assays were carried out with different CAP exposure times. For both cell lines, we obtained a significant reduction in metabolic activity and protein content. There was a decrease in cell viability, as well as a cell cycle arrest in S phase. The Δψm was significantly reduced. There was an increase in superoxide and nitric oxide and a decrease in peroxide contents, while GSH content did not change. These results were dependent on the exposure time, with small differences for both cell lines, but overall, they were more pronounced in the TCCSUP cell line. CAP showed to have a promising antitumor effect on bladder cancer, with higher sensitivity for the high-grade cell line.
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Affiliation(s)
- Edgar Tavares-da-Silva
- University of Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR) area of Environment Genetics and Oncobiology (CIMAGO), Faculty of Medicine, 3000-548 Coimbra, Portugal;
- University of Coimbra, Center for Innovative Biomedicine and Biotechnology (CIBB), 3000-548 Coimbra, Portugal; (A.S.P.); (I.A.M.); (A.M.A.); (A.C.G.); (F.M.); (M.F.B.)
- Clinical Academic Center of Coimbra (CACC), 3000-548 Coimbra, Portugal; (A.R.N.); (C.B.-G.); (F.C.); (R.S.-T.)
- Centro Hospitalar e Universitário de Coimbra (CHUC), Department of Urology and Renal Transplantation, 3004-561 Coimbra, Portugal
- Correspondence: (E.T.-d.-S.); (E.P.)
| | - Eurico Pereira
- Clinical Academic Center of Coimbra (CACC), 3000-548 Coimbra, Portugal; (A.R.N.); (C.B.-G.); (F.C.); (R.S.-T.)
- University of Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR) area of Environment Genetics and Oncobiology (CIMAGO), Biophysics Institute of Faculty of Medicine, 3000-548 Coimbra, Portugal
- Correspondence: (E.T.-d.-S.); (E.P.)
| | - Ana S. Pires
- University of Coimbra, Center for Innovative Biomedicine and Biotechnology (CIBB), 3000-548 Coimbra, Portugal; (A.S.P.); (I.A.M.); (A.M.A.); (A.C.G.); (F.M.); (M.F.B.)
- Clinical Academic Center of Coimbra (CACC), 3000-548 Coimbra, Portugal; (A.R.N.); (C.B.-G.); (F.C.); (R.S.-T.)
- University of Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR) area of Environment Genetics and Oncobiology (CIMAGO), Biophysics Institute of Faculty of Medicine, 3000-548 Coimbra, Portugal
| | - Ana R. Neves
- Clinical Academic Center of Coimbra (CACC), 3000-548 Coimbra, Portugal; (A.R.N.); (C.B.-G.); (F.C.); (R.S.-T.)
- University of Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR) area of Environment Genetics and Oncobiology (CIMAGO), Biophysics Institute of Faculty of Medicine, 3000-548 Coimbra, Portugal
- Project Development Office, Department of Mathematics and Computer Science, Eindhoven University of Technology (TU/e), PO Box 513 5600 MB Eindhoven, The Netherlands
| | - Catarina Braz-Guilherme
- Clinical Academic Center of Coimbra (CACC), 3000-548 Coimbra, Portugal; (A.R.N.); (C.B.-G.); (F.C.); (R.S.-T.)
- University of Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR) area of Environment Genetics and Oncobiology (CIMAGO), Biophysics Institute of Faculty of Medicine, 3000-548 Coimbra, Portugal
- University of Porto, Faculty of Medicine, 4200-319 Porto, Portugal
| | - Inês A. Marques
- University of Coimbra, Center for Innovative Biomedicine and Biotechnology (CIBB), 3000-548 Coimbra, Portugal; (A.S.P.); (I.A.M.); (A.M.A.); (A.C.G.); (F.M.); (M.F.B.)
- Clinical Academic Center of Coimbra (CACC), 3000-548 Coimbra, Portugal; (A.R.N.); (C.B.-G.); (F.C.); (R.S.-T.)
- University of Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR) area of Environment Genetics and Oncobiology (CIMAGO), Biophysics Institute of Faculty of Medicine, 3000-548 Coimbra, Portugal
- University of Coimbra, Faculty of Pharmacy, 3000-548 Coimbra, Portugal
| | - Ana M. Abrantes
- University of Coimbra, Center for Innovative Biomedicine and Biotechnology (CIBB), 3000-548 Coimbra, Portugal; (A.S.P.); (I.A.M.); (A.M.A.); (A.C.G.); (F.M.); (M.F.B.)
- Clinical Academic Center of Coimbra (CACC), 3000-548 Coimbra, Portugal; (A.R.N.); (C.B.-G.); (F.C.); (R.S.-T.)
- University of Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR) area of Environment Genetics and Oncobiology (CIMAGO), Biophysics Institute of Faculty of Medicine, 3000-548 Coimbra, Portugal
| | - Ana C. Gonçalves
- University of Coimbra, Center for Innovative Biomedicine and Biotechnology (CIBB), 3000-548 Coimbra, Portugal; (A.S.P.); (I.A.M.); (A.M.A.); (A.C.G.); (F.M.); (M.F.B.)
- Clinical Academic Center of Coimbra (CACC), 3000-548 Coimbra, Portugal; (A.R.N.); (C.B.-G.); (F.C.); (R.S.-T.)
- University of Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR) area of Environment Genetics and Oncobiology (CIMAGO), Laboratory of Oncobiology and Hematology and University Clinic of Hematology of Faculty of Medicine, 3000-548 Coimbra, Portugal
| | - Francisco Caramelo
- Clinical Academic Center of Coimbra (CACC), 3000-548 Coimbra, Portugal; (A.R.N.); (C.B.-G.); (F.C.); (R.S.-T.)
- University of Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR) area of Environment Genetics and Oncobiology (CIMAGO), Laboratory of Biostatistics and Medical Informatics of Faculty of Medicine, 3000-548 Coimbra, Portugal
| | - Rafael Silva-Teixeira
- Clinical Academic Center of Coimbra (CACC), 3000-548 Coimbra, Portugal; (A.R.N.); (C.B.-G.); (F.C.); (R.S.-T.)
- University of Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR) area of Environment Genetics and Oncobiology (CIMAGO), Biophysics Institute of Faculty of Medicine, 3000-548 Coimbra, Portugal
| | - Fernando Mendes
- University of Coimbra, Center for Innovative Biomedicine and Biotechnology (CIBB), 3000-548 Coimbra, Portugal; (A.S.P.); (I.A.M.); (A.M.A.); (A.C.G.); (F.M.); (M.F.B.)
- Clinical Academic Center of Coimbra (CACC), 3000-548 Coimbra, Portugal; (A.R.N.); (C.B.-G.); (F.C.); (R.S.-T.)
- University of Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR) area of Environment Genetics and Oncobiology (CIMAGO), Biophysics Institute of Faculty of Medicine, 3000-548 Coimbra, Portugal
- Politécnico de Coimbra, ESTeSC, DCBL, Rua 5 de Outubro-SM Bispo, Apartado 7006, 3046-854 Coimbra, Portugal
| | - Arnaldo Figueiredo
- University of Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR) area of Environment Genetics and Oncobiology (CIMAGO), Faculty of Medicine, 3000-548 Coimbra, Portugal;
- University of Coimbra, Center for Innovative Biomedicine and Biotechnology (CIBB), 3000-548 Coimbra, Portugal; (A.S.P.); (I.A.M.); (A.M.A.); (A.C.G.); (F.M.); (M.F.B.)
- Clinical Academic Center of Coimbra (CACC), 3000-548 Coimbra, Portugal; (A.R.N.); (C.B.-G.); (F.C.); (R.S.-T.)
- Centro Hospitalar e Universitário de Coimbra (CHUC), Department of Urology and Renal Transplantation, 3004-561 Coimbra, Portugal
| | - Maria Filomena Botelho
- University of Coimbra, Center for Innovative Biomedicine and Biotechnology (CIBB), 3000-548 Coimbra, Portugal; (A.S.P.); (I.A.M.); (A.M.A.); (A.C.G.); (F.M.); (M.F.B.)
- Clinical Academic Center of Coimbra (CACC), 3000-548 Coimbra, Portugal; (A.R.N.); (C.B.-G.); (F.C.); (R.S.-T.)
- University of Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR) area of Environment Genetics and Oncobiology (CIMAGO), Biophysics Institute of Faculty of Medicine, 3000-548 Coimbra, Portugal
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23
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Comprehensive biomedical applications of low temperature plasmas. Arch Biochem Biophys 2020; 693:108560. [PMID: 32857998 PMCID: PMC7448743 DOI: 10.1016/j.abb.2020.108560] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 08/20/2020] [Accepted: 08/24/2020] [Indexed: 02/08/2023]
Abstract
The main component of plasma medicine is the use of low-temperature plasma (LTP) as a powerful tool for biomedical applications. LTP generates high reactivity at low temperatures and can be activated with noble gases with molecular mixtures or compressed air. LTP reactive species are quickly produced, and are a remarkably good source of reactive oxygen and nitrogen species including singlet oxygen (O2), ozone (O3), hydroxyl radicals (OH), nitrous oxide (NO), and nitrogen dioxide (NO2). Its low gas temperature and highly reactive non-equilibrium chemistry make it appropriate for the alteration of inorganic surfaces and delicate biological systems. Treatment of oral biofilm-related infections, treatment of wounds and skin diseases, assistance in cancer treatment, treatment of viruses' infections (e.g. herpes simplex), and optimization of implants surfaces are included among the extensive plasma medicine applications. Each of these applications will be discussed in this review article.
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Verloy R, Privat-Maldonado A, Smits E, Bogaerts A. Cold Atmospheric Plasma Treatment for Pancreatic Cancer-The Importance of Pancreatic Stellate Cells. Cancers (Basel) 2020; 12:cancers12102782. [PMID: 32998311 PMCID: PMC7601057 DOI: 10.3390/cancers12102782] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 09/17/2020] [Accepted: 09/26/2020] [Indexed: 01/18/2023] Open
Abstract
Simple Summary This review aims to highlight the potential of cold plasma, the fourth state of matter, as anti-cancer treatment for pancreatic cancer, and the importance of pancreatic stellate cells in the response to this treatment. Currently, a significant lack of basic research on cold plasma considering both pancreatic cancer and stellate cells exists. However, co-cultures of these populations can be advantageous, as they resemble the cell-to-cell interactions occurring in a tumor in response to therapy. Even more, these studies should be performed prior to clinical trials of cold plasma to avoid unforeseen responses to treatment. This review article provides a framework for future research of cold plasma therapies for pancreatic cancer, considering the critical role of pancreatic stellate cells in the disease and treatment outcome. Abstract Pancreatic ductal adenocarcinoma (PDAC) is a lethal disease with low five-year survival rates of 8% by conventional treatment methods, e.g., chemotherapy, radiotherapy, and surgery. PDAC shows high resistance towards chemo- and radiotherapy and only 15–20% of all patients can have surgery. This disease is predicted to become the third global leading cause of cancer death due to its significant rise in incidence. Therefore, the development of an alternative or combinational method is necessary to improve current approaches. Cold atmospheric plasma (CAP) treatments could offer multiple advantages to this emerging situation. The plasma-derived reactive species can induce oxidative damage and a cascade of intracellular signaling pathways, which could lead to cell death. Previous reports have shown that CAP treatment also influences cells in the tumor microenvironment, such as the pancreatic stellate cells (PSCs). These PSCs, when activated, play a crucial role in the propagation, growth and survival of PDAC tumors. However, the effect of CAP on PSCs is not yet fully understood. This review focuses on the application of CAP for PDAC treatment and the importance of PSCs in the response to treatment.
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Affiliation(s)
- Ruben Verloy
- Plasma Lab for Applications in Sustainability and Medicine-ANTwerp, University of Antwerp, 2610 Wilrijk, Belgium;
- Center for Oncological Research, University of Antwerp, 2610 Wilrijk, Belgium;
- Correspondence: (R.V.); (A.P.-M.); Tel.: +32-3265-2343 (R.V. & A.P.-M.)
| | - Angela Privat-Maldonado
- Plasma Lab for Applications in Sustainability and Medicine-ANTwerp, University of Antwerp, 2610 Wilrijk, Belgium;
- Center for Oncological Research, University of Antwerp, 2610 Wilrijk, Belgium;
- Correspondence: (R.V.); (A.P.-M.); Tel.: +32-3265-2343 (R.V. & A.P.-M.)
| | - Evelien Smits
- Center for Oncological Research, University of Antwerp, 2610 Wilrijk, Belgium;
| | - Annemie Bogaerts
- Plasma Lab for Applications in Sustainability and Medicine-ANTwerp, University of Antwerp, 2610 Wilrijk, Belgium;
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25
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Ishikawa K, Hosoi Y, Tanaka H, Jiang L, Toyokuni S, Nakamura K, Kajiyama H, Kikkawa F, Mizuno M, Hori M. Non-thermal plasma-activated lactate solution kills U251SP glioblastoma cells in an innate reductive manner with altered metabolism. Arch Biochem Biophys 2020; 688:108414. [PMID: 32464090 DOI: 10.1016/j.abb.2020.108414] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 05/11/2020] [Accepted: 05/16/2020] [Indexed: 12/14/2022]
Abstract
Ringer's lactate solution irradiated by non-thermal plasma, comprised of radicals, electrons, and ions, is defined as plasma-activated lactate (PAL). PAL exhibited antitumor effects in glioblastoma U251SP cells, which we termed PAL-specific regulated cell death. In contrast to the oxidative stress condition typical of cells incubated in plasma-activated medium (PAM), U251SP cells treated with Ringer's lactate solution or PAL exhibited changes in intracellular metabolites that were reductive in the redox state, as measured by the ratio of oxidative/reductive glutathione concentrations. In the metabolomic profiles of PAL-treated cells, the generation of acetyl-CoA increased for lipid metabolism from alanine and asparagine. PAL thus induces regulated death of U251SP glioblastoma cells in more innate microenvironments than PAM.
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Affiliation(s)
- Kenji Ishikawa
- Center for Low-temperature Plasma Sciences, Nagoya University, Furo-cho, Chikusa, Nagoya, 484-8601, Japan.
| | - Yugo Hosoi
- Center for Low-temperature Plasma Sciences, Nagoya University, Furo-cho, Chikusa, Nagoya, 484-8601, Japan
| | - Hiromasa Tanaka
- Center for Low-temperature Plasma Sciences, Nagoya University, Furo-cho, Chikusa, Nagoya, 484-8601, Japan; Center for Advanced Medicine and Clinical Research, Nagoya University Hospital, 65 Tsurumai-cho, Showa, Nagoya, 466-8560, Japan
| | - Li Jiang
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa, Nagoya, 466-8550, Japan
| | - Shinya Toyokuni
- Center for Low-temperature Plasma Sciences, Nagoya University, Furo-cho, Chikusa, Nagoya, 484-8601, Japan; Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa, Nagoya, 466-8550, Japan
| | - Kae Nakamura
- Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa, Nagoya, 466-8550, Japan
| | - Hiroaki Kajiyama
- Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa, Nagoya, 466-8550, Japan
| | - Fumitaka Kikkawa
- Center for Low-temperature Plasma Sciences, Nagoya University, Furo-cho, Chikusa, Nagoya, 484-8601, Japan; Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa, Nagoya, 466-8550, Japan
| | - Masaaki Mizuno
- Center for Advanced Medicine and Clinical Research, Nagoya University Hospital, 65 Tsurumai-cho, Showa, Nagoya, 466-8560, Japan
| | - Masaru Hori
- Center for Low-temperature Plasma Sciences, Nagoya University, Furo-cho, Chikusa, Nagoya, 484-8601, Japan
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Cold atmospheric plasma induces GSDME-dependent pyroptotic signaling pathway via ROS generation in tumor cells. Cell Death Dis 2020; 11:295. [PMID: 32341339 PMCID: PMC7186223 DOI: 10.1038/s41419-020-2459-3] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 04/06/2020] [Accepted: 04/07/2020] [Indexed: 12/22/2022]
Abstract
Cold atmospheric plasma (CAP) has been proposed as a novel promising anti-cancer treatment modality. Apoptosis and necrosis have been revealed in CAP-induced cell death, but whether CAP induces pyroptosis, another kind of programmed cell death is still unknown. In the present study, we first reported that CAP effectively induced pyroptosis in a dose-dependent manner in Gasdermin E (GSDME) high-expressed tumor cell lines. Interestingly, the basal level of GSDME protein was positively correlated with the sensitivity to CAP in three selected cancer cell lines, implying GSDME might be a potential biomarker of prognosis in the forthcoming cancer CAP treatment. Moreover, our study revealed that CAP-induced pyroptosis depended on the activation of mitochondrial pathways (JNK/cytochrome c/caspase-9/caspase-3) and the cleavage of GSDME but not Gasdermin D (GSDMD). ROS generation induced by CAP was identified to initiate the pyroptotic signaling. These results complemented our knowledge on CAP-induced cell death and provide a strategy to optimize the effect of CAP cancer treatment.
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Oxidative stress-dependent and -independent death of glioblastoma cells induced by non-thermal plasma-exposed solutions. Sci Rep 2019; 9:13657. [PMID: 31541175 PMCID: PMC6754505 DOI: 10.1038/s41598-019-50136-w] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 08/30/2019] [Indexed: 12/14/2022] Open
Abstract
Non-thermal atmospheric pressure plasma has been widely used for preclinical studies in areas such as wound healing, blood coagulation, and cancer therapy. We previously developed plasma-activated medium (PAM) and plasma-activated Ringer's lactate solutions (PAL) for cancer treatments. Many in vitro and in vivo experiments demonstrated that both PAM and PAL exhibit anti-tumor effects in several types of cancer cells such as ovarian, gastric, and pancreatic cancer cells as well as glioblastoma cells. However, interestingly, PAM induces more intracellular reactive oxygen species in glioblastoma cells than PAL. To investigate the differences in intracellular molecular mechanisms of the effects of PAM and PAL in glioblastoma cells, we measured gene expression levels of antioxidant genes such as CAT, SOD2, and GPX1. Microarray and quantitative real-time PCR analyses revealed that PAM elevated stress-inducible genes that induce apoptosis such as GADD45α signaling molecules. PAL suppressed genes downstream of the survival and proliferation signaling network such as YAP/TEAD signaling molecules. These data reveal that PAM and PAL induce apoptosis in glioblastoma cells by different intracellular molecular mechanisms.
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28
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Schmidt A, von Woedtke T. Highlight Issue: Plasma Medicine. Biol Chem 2019; 400:1-2. [PMID: 30403652 DOI: 10.1515/hsz-2018-0410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Anke Schmidt
- Leibniz Institute for Plasma Science and Technology (INP Greifswald), Felix-Hausdorff-Straße 2, D-17489 Greifswald, Germany
| | - Thomas von Woedtke
- Leibniz Institute for Plasma Science and Technology (INP Greifswald), Felix-Hausdorff-Straße 2, D-17489 Greifswald, Germany
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29
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Okazaki Y, Tanaka H, Hori M, Toyokuni S. -Dehydroascorbic acid recycled by thiols efficiently scavenges non-thermal plasma-induced hydroxyl radicals. Arch Biochem Biophys 2019; 669:87-95. [DOI: 10.1016/j.abb.2019.05.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 05/19/2019] [Accepted: 05/24/2019] [Indexed: 01/20/2023]
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Hara H, Kobayashi M, Shiiba M, Kamiya T, Adachi T. Sublethal treatment with plasma-activated medium induces senescence-like growth arrest of A549 cells: involvement of intracellular mobile zinc. J Clin Biochem Nutr 2019; 65:16-22. [PMID: 31379409 PMCID: PMC6667388 DOI: 10.3164/jcbn.19-17] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 03/13/2019] [Indexed: 11/29/2022] Open
Abstract
Plasma-activated medium (PAM) is a solution produced by exposing a liquid medium to non-thermal atmospheric pressure plasma (NTAPP). A number of reactive molecules, such as reactive oxygen species and reactive nitrogen species, are contained in PAM. Therefore, exposure to high doses of PAM results in cell death. We previously demonstrated that intracellular zinc (Zn2+) serves as an important mediator in PAM-induced cell death; however, the effects of sublethal treatment with PAM on cell functions are not fully understood. In the present study, we found that sublethal PAM treatment suppressed cell proliferation and induced senescence-like changes in lung adenocarcinoma A549 cells. Cell cycle analysis revealed that PAM induced cell cycle arrest at the G2/M phase. PAM increased the level of intracellular free Zn2+ and the Zn2+ chelator TPEN counteracted PAM-induced growth suppression, suggesting that Zn2+ functions in PAM-induced growth suppression. In addition, sublethal treatment with PAM induced phosphorylation of ATM kinase, accumulation of p53 protein, and expression of p21 and GADD45A, which are known p53 target genes, in a Zn2+-dependent manner. These results suggest that the induction of growth arrest and cellular senescence by sublethal PAM treatment is mediated by Zn2+-dependent activation of the ATM/p53 pathway.
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Affiliation(s)
- Hirokazu Hara
- Laboratory of Clinical Pharmaceutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Mari Kobayashi
- Laboratory of Clinical Pharmaceutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Moe Shiiba
- Laboratory of Clinical Pharmaceutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Tetsuro Kamiya
- Laboratory of Clinical Pharmaceutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Tetsuo Adachi
- Laboratory of Clinical Pharmaceutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
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