Open-Air Cold Plasma Device Leads to Selective Tumor Cell Cytotoxicity
Abstract
:1. Introduction
2. Materials and Methods
2.1. Cell Culture Conditions
2.2. Cold Atmospheric Plasma Jet
2.3. Preparation of Plasma Activated Medium (PAM)
2.4. Quantification of Nitrite Concentration in PAM
2.5. Quantification of Peroxide Concentration in PAM
2.6. Plasma Treatment of Cell Cultures
2.7. SRB Assay
2.8. MTT Assay
2.9. Statistical Analysis
3. Results
3.1. CAP Single Electrode Jet Generates High Voltage Electrical Pulses
3.2. CAP Emission Spectrum Depicted Several Peaks in the UV Domain and Reactive Species
3.3. Reactive Oxygen and Nitrogen Species (RONS) Accumulate in Plasma-Activated Medium
3.4. Plasma-Activated Medium Did Not Alter Its pH Nor Its Temperature
3.5. Different Cell Lines Displayed Different Responses to Cold Plasma
4. Discussion
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
Appendix A
References
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Cancer Types | Cell Lines | References |
---|---|---|
Brain cancer | LN18, LN229, U87MG, T98G, U251SP, U373MG-CD14 | [6,7,8,9] |
Breast cancer | MDA-MB-231, MCF7, MDAMB468, MDA-MB-453 | [10,11,12,13] |
Cervical cancer | HeLa, CaSki | [14,15] |
Colorectal cancer | HCT-116, SW480, LoVo, Caco2, HT29 | [16,17,18,19] |
Head and neck cancer | JHU-022, JHU-028, JHU-029, SCC25, FaDu, SNU1041, SNU899, HN9, OSC 19 | [20,21,22] |
Leukemia | CCRFCEM, Jurkat, THP-1 | [23,24,25] |
Liver cancer | SK-HEP-1, H-22 | [26,27] |
Lung cancer | SW900, TC-1, H460, HCC1588, A549 | [28,29,30] |
Lymphoma | U937 | [31] |
Oral cancer | KB, SCC25, MSK QLL1, SCC1483, SCC15 | [7,32,33] |
Osteosarcoma | U2-OS, MNNG-HOS, SaOS-2 | [34,35] |
Ovarian cancer | OHFC, HPMC, SKOV3 and HRA, OVCAR-3, TOV-21G, TOV-112D | [36,37,38] |
Pancreatic cancer | MIA PaCa2 | [39] |
Prostate cancer | LNCaP, PC-3, VCaP | [34,40] |
Skin cancer | G361, A375 | [41,42] |
Thyroid cancer | SNU80, BHP10-3, TPC1 | [7] |
Device | Gap Length (mm) | Volume (μL) | H2O2 (μM) | NO2 (μM) | Medium | Ref. |
---|---|---|---|---|---|---|
Ar 60 Hz 7 kV NEAPP | 13 | 3000 | 17 ± 3 | 642 ± 10 | DMEM #5796 | [43] |
Ar 60 Hz 2–6 kVNEAPP | 3 | 6000 | 227 ± 42 | 265 | DMEM #5796 | [44] |
Ar 1 MHz 2–6 kV plasma jet (kinpen GmbH) | 9 | 5000 | 33 | n.d. | RPMI + FBS(8%) + P/S(1%) | [45] |
Ar 1.1 MHz plasma jet (kinpen 09 GmbH) | 5 from the top of the well | 1000 | 60 | 26 | RPMI + FBS(10%) + P/S(2%) +glutamine(1%) | [46] |
Air 5 kHz 7.5 kV Liquid surface | 1,5 | 1000 | 87 | n.d. | MEM + FBS (10%) + P/S | [47] |
He + 0.3%O2 13.56 MHz | 20 | 1500 | n.a. | 7.4 ± 1 | MEM + FBS 10% | [48] |
Ar 60 Hz AC 7 kV | 13 | 3000 | 1.8 × 104 | 6.3 × 105 | DMEM #5796 + P/S + 10% FBS | [43] |
Ar 60 Hz AC 7 kV | 13 | 3000 | 2.1 × 104 | 6.3 × 105 | DMEM #5796 + 10% FBS | [43] |
He 30 KHz 3.85 kV | 30 | 30 | 50 | n.a. | DMEM #11965-118 | [49] |
He 24 kKz 12 kV | 5 | 2000 | 2.3 × 103 ± 240 | 55 ± 9 | DMEM + 15% FBS | [50] |
Ar 2 kV 1.1 MHz | n.d. | 100 | 60 | 22 | RPMI #1640 + 10% FBS | [51] |
Ar 2 kV 1.1 MHz | n.d. | 100 | 60 | 31 | RPMI #1640 | [51] |
He + H2O 10 KHz 8 kV | 1500 | 300 | 50–60 | n.d. | RPMI #1640 | [52] |
Ar 10 kHZ 10 kV | 1500 | 300 | <20 | n.d. | RPMI #1640 | [52] |
He 5 kHz 5–9 kV | 2500 from the bottom of the well | 500 | 28 | n.d. | MEM | [53] |
Air 1 kHz 4 kV | 2 | 200 | 8.4 × 103 ± 2.7 × 103 | 873 ± 15 | RPMI #1640 + 5% FBS | Author’s |
Air 1 kHz 4 kV | 2 | 200 | 1.9 × 104 ± 0.3 × 104 | 414 ± 47 | RPMI #1640 + 15% FBS | Author’s |
Air 1 kHz 4 kV | 2 | 200 | 3.9 × 103 ± 1.3 × 103 | 929 ± 24 | DMEM #5648 + 5% FBS | Author’s |
Air 1 kHz 4 kV | 2 | 200 | 2.4 × 103 ± 1.3 × 103 | 742 ± 82 | DMEM #5648 + 15% FBS | Author’s |
Cell Line | Cells Plated (Cells/mL) | Organ | Histology | Culture Medium | MTT (IT50 (s)) | SRB (IT50 (s)) |
---|---|---|---|---|---|---|
A375 | 100,000 | Skin | Melanoma | DMEM 5% | 32.1 ± 7.1 | 31.8 ± 1.5 |
OE19 | 100,000 | Esophagus | Adenocarcinoma | DMEM 5% | 68.9 ± 9.0 | nc. |
HT1376 | 80,0000 | Urinary bladder | Transitional carcinoma grade 3 | DMEM 10% | 34.6 ±3.7 | 35.0 ± 3.6 |
MNNG/HOS | 50,000 | Bone | Osteosarcoma | DMEM 5% | 33.1 ± 4.6 | 66.8 ± 5.5 |
TFK-1 | 80,000 | Extra-hepatic bile duct | Carcinoma | RPMI 15% | 30.5 ± 3.2 | 44.2 ± 7.9 |
PC3 | 100,000 | Prostate (derived from bone) | Adenocarcinoma grade IV | RPMI 5% | 25.4 ± 4.0 | nc. |
WIDR | 50,000 | Colon | Adenocarcinoma | DMEM 10% | nc. | 50.7 ± 6.3 |
LNCAP | 100,000 | Prostate (derived from left supraclavicular lymph node) | Adenocarcinoma | RPMI 10% | 19.0 ± 2.5 | 40.2 ± 10.9 |
ECC-1 | 100,000 | Endometrium | Adenocarcinoma | RPMI 10% | 36.6 ± 4.1 | 48.9 ± 13.6 |
H1299 | 100,000 | Lung (derived from lymph node) | Large cell carcinoma | DMEM 10% | 46.4 ± 6.2 | 35.3 ± 5.0 |
MCF-7 | 100,000 | Breast (derived from Pleural effusion) | Invasive ductal carcinoma | DMEM 10% | 65.6 ± 7.9 | 22.4 ± 4.7 |
HCC 1806 | 100,000 | Breast | Squamous cell breast carcinoma, acantholytic variant | RPMI 10% | 69.4 ± 9.3 | 49.8 ± 10.0 |
HFF-1 | 250,000 | Connective tissue | Fibroblasts | DMEM 15% | 61.5 ± 2.1 | nc. |
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Almeida-Ferreira, C.; Silva-Teixeira, R.; Laranjo, M.; Almeida, N.; Brites, G.; Dias-Ferreira, J.; Marques, I.; Neves, R.; Serambeque, B.; Teixo, R.; et al. Open-Air Cold Plasma Device Leads to Selective Tumor Cell Cytotoxicity. Appl. Sci. 2021, 11, 4171. https://doi.org/10.3390/app11094171
Almeida-Ferreira C, Silva-Teixeira R, Laranjo M, Almeida N, Brites G, Dias-Ferreira J, Marques I, Neves R, Serambeque B, Teixo R, et al. Open-Air Cold Plasma Device Leads to Selective Tumor Cell Cytotoxicity. Applied Sciences. 2021; 11(9):4171. https://doi.org/10.3390/app11094171
Chicago/Turabian StyleAlmeida-Ferreira, Catarina, Rafael Silva-Teixeira, Mafalda Laranjo, Nuno Almeida, Gonçalo Brites, João Dias-Ferreira, Inês Marques, Rita Neves, Beatriz Serambeque, Ricardo Teixo, and et al. 2021. "Open-Air Cold Plasma Device Leads to Selective Tumor Cell Cytotoxicity" Applied Sciences 11, no. 9: 4171. https://doi.org/10.3390/app11094171