1
|
Agnass P, Rodermond HM, van Veldhuisen E, Vogel JA, Ten Cate R, van Lienden KP, van Gulik TM, Franken NAP, Oei AL, Kok HP, Besselink MG, Crezee J. Quantitative analysis of contribution of mild and moderate hyperthermia to thermal ablation and sensitization of irreversible electroporation of pancreatic cancer cells. J Therm Biol 2023; 115:103619. [PMID: 37437370 DOI: 10.1016/j.jtherbio.2023.103619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 05/09/2023] [Accepted: 05/30/2023] [Indexed: 07/14/2023]
Abstract
INTRODUCTION Irreversible electroporation (IRE) is an ablation modality that applies short, high-voltage electric pulses to unresectable cancers. Although considered a non-thermal technique, temperatures do increase during IRE. This temperature rise sensitizes tumor cells for electroporation as well as inducing partial direct thermal ablation. AIM To evaluate the extent to which mild and moderate hyperthermia enhance electroporation effects, and to establish and validate in a pilot study cell viability models (CVM) as function of both electroporation parameters and temperature in a relevant pancreatic cancer cell line. METHODS Several IRE-protocols were applied at different well-controlled temperature levels (37 °C ≤ T ≤ 46 °C) to evaluate temperature dependent cell viability at enhanced temperatures in comparison to cell viability at T = 37 °C. A realistic sigmoid CVM function was used based on thermal damage probability with Arrhenius Equation and cumulative equivalent minutes at 43 °C (CEM43°C) as arguments, and fitted to the experimental data using "Non-linear-least-squares"-analysis. RESULTS Mild (40 °C) and moderate (46 °C) hyperthermic temperatures boosted cell ablation with up to 30% and 95%, respectively, mainly around the IRE threshold Eth,50% electric-field strength that results in 50% cell viability. The CVM was successfully fitted to the experimental data. CONCLUSION Both mild- and moderate hyperthermia significantly boost the electroporation effect at electric-field strengths neighboring Eth,50%. Inclusion of temperature in the newly developed CVM correctly predicted both temperature-dependent cell viability and thermal ablation for pancreatic cancer cells exposed to a relevant range of electric-field strengths/pulse parameters and mild moderate hyperthermic temperatures.
Collapse
Affiliation(s)
- P Agnass
- Amsterdam UMC Location University of Amsterdam, Radiation Oncology, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam UMC Location University of Amsterdam, Surgery, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam UMC Location University of Amsterdam, Experimental Oncology and Radiobiology, Meibergdreef 9, Amsterdam, the Netherlands.
| | - H M Rodermond
- Amsterdam UMC Location University of Amsterdam, Radiation Oncology, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam UMC Location University of Amsterdam, Experimental Oncology and Radiobiology, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam UMC Location University of Amsterdam, Experimental Molecular Medicine, Meibergdreef 9, Amsterdam, the Netherlands.
| | - E van Veldhuisen
- Amsterdam UMC Location University of Amsterdam, Surgery, Meibergdreef 9, Amsterdam, the Netherlands.
| | - J A Vogel
- Amsterdam UMC Location University of Amsterdam, Gastroenterology & Hepatology, Meibergdreef 9, Amsterdam, the Netherlands.
| | - R Ten Cate
- Amsterdam UMC Location University of Amsterdam, Radiation Oncology, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam UMC Location University of Amsterdam, Experimental Oncology and Radiobiology, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam UMC Location University of Amsterdam, Experimental Molecular Medicine, Meibergdreef 9, Amsterdam, the Netherlands.
| | - K P van Lienden
- Department of Intervention Radiology, St. Antonius Hospital, Nieuwegein, the Netherlands.
| | - T M van Gulik
- Amsterdam UMC Location University of Amsterdam, Surgery, Meibergdreef 9, Amsterdam, the Netherlands.
| | - N A P Franken
- Amsterdam UMC Location University of Amsterdam, Radiation Oncology, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam UMC Location University of Amsterdam, Experimental Oncology and Radiobiology, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam UMC Location University of Amsterdam, Experimental Molecular Medicine, Meibergdreef 9, Amsterdam, the Netherlands.
| | - A L Oei
- Amsterdam UMC Location University of Amsterdam, Radiation Oncology, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam UMC Location University of Amsterdam, Experimental Oncology and Radiobiology, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam UMC Location University of Amsterdam, Experimental Molecular Medicine, Meibergdreef 9, Amsterdam, the Netherlands.
| | - H P Kok
- Amsterdam UMC Location University of Amsterdam, Radiation Oncology, Meibergdreef 9, Amsterdam, the Netherlands; Cancer Center Amsterdam, Treatment and Quality of Life, Cancer Biology and Immunology, Amsterdam, the Netherlands.
| | - M G Besselink
- Amsterdam UMC Location University of Amsterdam, Surgery, Meibergdreef 9, Amsterdam, the Netherlands.
| | - J Crezee
- Amsterdam UMC Location University of Amsterdam, Radiation Oncology, Meibergdreef 9, Amsterdam, the Netherlands; Cancer Center Amsterdam, Treatment and Quality of Life, Cancer Biology and Immunology, Amsterdam, the Netherlands.
| |
Collapse
|
2
|
Wei Z, Zhang Z, Feng X, Cai Y, Yang J, Hua Z, Bai Y, Xu Y. Sol-gel dip-coated TiO 2 nanofilms reduce heat production in titanium alloy implants produced by microwave diathermy. Int J Hyperthermia 2022; 40:2152500. [PMID: 36535921 DOI: 10.1080/02656736.2022.2152500] [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: 12/24/2022] Open
Abstract
Objective: To verify that the TiO2 nanofilm dip-coated by sol-gel can reduce titanium alloy implants (TAI)'s heat production after microwave diathermy (MD).Methods: The effect of 40 W and 60 W MD on the titanium alloy substrate coated with TiO2 nanofilm (Experimental Group) and the titanium alloy substrate without film (Control Group) were analyzed in vitro and in vivo. Changes in the skeletal muscle around the implant were evaluated in ex vivo by histology.Results: After 20 min of MD, in vitro the temperature rise of the titanium substrate was less in the Experimental Group than in the Control Group (40 W: 1.4 °C vs. 2.6 °C, p < .01, 60 W: 2.5 °C vs. 3.7 °C, p < .01) and in vivo, the temperature rise of the muscle tissue adjacent to TAI was lower in the Experimental Group than in the Control Group (40 W: 3.29 °C vs. 4.8 °C, p < .01, 60 W: 4.16 °C vs. 6.52 °C, p < .01). Skeletal muscle thermal injury can be found in the Control Group but not in the Experimental Group.Conclusion: Sol-gel dip-coated TiO2 nanofilm can reduce the heat production of TAIs under single 40~60 W and continuous 40 W MD and protect the muscle tissue adjacent to the implants against thermal injury caused by irradiation.
Collapse
Affiliation(s)
- Zheng Wei
- Department of Rehabilitation Medicine, Shanghai Hospital of Civil Aviation Administration of China, Shanghai, China
| | - Ziwei Zhang
- Department of Ultrasound Medicine, Fujian Provincial Hospital, Fuzhou, China
| | - Xianxuan Feng
- Department of Rehabilitation Medicine, Shanghai Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yun Cai
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jiajia Yang
- The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zikai Hua
- School of Mechatronics Engineering and Automation, Shanghai University, Shanghai, China
| | - Yuehong Bai
- Department of Rehabilitation Medicine, Shanghai Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yiming Xu
- Department of Rehabilitation Medicine, Shanghai Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| |
Collapse
|
3
|
Magnetic Hyperthermia Nanoarchitectonics via Iron Oxide Nanoparticles Stabilised by Oleic Acid: Anti-Tumour Efficiency and Safety Evaluation in Animals with Transplanted Carcinoma. Int J Mol Sci 2022; 23:ijms23084234. [PMID: 35457052 PMCID: PMC9025391 DOI: 10.3390/ijms23084234] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/04/2022] [Accepted: 04/05/2022] [Indexed: 02/04/2023] Open
Abstract
In this study, we developed iron oxide nanoparticles stabilised with oleic acid/sodium oleate that could exert therapeutic effects for curing tumours via magnetic hyperthermia. A suspension of iron oxide nanoparticles was produced and characterised. The toxicity of the synthesised composition was examined in vivo and found to be negligible. Histological examination showed a low local irritant effect and no effect on the morphology of the internal organs. The efficiency of magnetic hyperthermia for the treatment of transplanted Walker 256 carcinoma was evaluated. The tumour was infiltrated with the synthesised particles and then treated with an alternating magnetic field. The survival rate was 85% in the studied therapy group of seven animals, while in the control group (without treatment), all animals died. The physicochemical and pharmaceutical properties of the synthesised fluid and the therapeutic results, as seen in the in vivo experiments, provide insights into therapeutic hyperthermia using injected magnetite nanoparticles.
Collapse
|
4
|
Bucharskaya AB, Khlebtsov NG, Khlebtsov BN, Maslyakova GN, Navolokin NA, Genin VD, Genina EA, Tuchin VV. Photothermal and Photodynamic Therapy of Tumors with Plasmonic Nanoparticles: Challenges and Prospects. MATERIALS (BASEL, SWITZERLAND) 2022; 15:1606. [PMID: 35208145 PMCID: PMC8878601 DOI: 10.3390/ma15041606] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 02/16/2022] [Accepted: 02/16/2022] [Indexed: 01/27/2023]
Abstract
Cancer remains one of the leading causes of death in the world. For a number of neoplasms, the efficiency of conventional chemo- and radiation therapies is insufficient because of drug resistance and marked toxicity. Plasmonic photothermal therapy (PPT) using local hyperthermia induced by gold nanoparticles (AuNPs) has recently been extensively explored in tumor treatment. However, despite attractive promises, the current PPT status is limited by laboratory experiments, academic papers, and only a few preclinical studies. Unfortunately, most nanoformulations still share a similar fate: great laboratory promises and fair preclinical trials. This review discusses the current challenges and prospects of plasmonic nanomedicine based on PPT and photodynamic therapy (PDT). We start with consideration of the fundamental principles underlying plasmonic properties of AuNPs to tune their plasmon resonance for the desired NIR-I, NIR-2, and SWIR optical windows. The basic principles for simulation of optical cross-sections and plasmonic heating under CW and pulsed irradiation are discussed. Then, we consider the state-of-the-art methods for wet chemical synthesis of the most popular PPPT AuNPs such as silica/gold nanoshells, Au nanostars, nanorods, and nanocages. The photothermal efficiencies of these nanoparticles are compared, and their applications to current nanomedicine are shortly discussed. In a separate section, we discuss the fabrication of gold and other nanoparticles by the pulsed laser ablation in liquid method. The second part of the review is devoted to our recent experimental results on laser-activated interaction of AuNPs with tumor and healthy tissues and current achievements of other research groups in this application area. The unresolved issues of PPT are the significant accumulation of AuNPs in the organs of the mononuclear phagocyte system, causing potential toxic effects of nanoparticles, and the possibility of tumor recurrence due to the presence of survived tumor cells. The prospective ways of solving these problems are discussed, including developing combined antitumor therapy based on combined PPT and PDT. In the conclusion section, we summarize the most urgent needs of current PPT-based nanomedicine.
Collapse
Affiliation(s)
- Alla B. Bucharskaya
- Core Facility Center, Saratov State Medical University, 112 Bol′shaya Kazachya Str., 410012 Saratov, Russia; (G.N.M.); (N.A.N.)
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (V.D.G.); (E.A.G.); (V.V.T.)
- Laser Molecular Imaging and Machine Learning Laboratory, Tomsk State University, 36 Lenin′s Av., 634050 Tomsk, Russia
| | - Nikolai G. Khlebtsov
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (V.D.G.); (E.A.G.); (V.V.T.)
- Nanobiotechnology Laboratory, Institute of Biochemistry and Physiology of Plants and Microorganisms RAS, FRC “Saratov Scientific Centre of the Russian Academy of Sciences”, 13 Prospekt Entuziastov, 410049 Saratov, Russia;
| | - Boris N. Khlebtsov
- Nanobiotechnology Laboratory, Institute of Biochemistry and Physiology of Plants and Microorganisms RAS, FRC “Saratov Scientific Centre of the Russian Academy of Sciences”, 13 Prospekt Entuziastov, 410049 Saratov, Russia;
| | - Galina N. Maslyakova
- Core Facility Center, Saratov State Medical University, 112 Bol′shaya Kazachya Str., 410012 Saratov, Russia; (G.N.M.); (N.A.N.)
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (V.D.G.); (E.A.G.); (V.V.T.)
| | - Nikita A. Navolokin
- Core Facility Center, Saratov State Medical University, 112 Bol′shaya Kazachya Str., 410012 Saratov, Russia; (G.N.M.); (N.A.N.)
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (V.D.G.); (E.A.G.); (V.V.T.)
| | - Vadim D. Genin
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (V.D.G.); (E.A.G.); (V.V.T.)
- Laser Molecular Imaging and Machine Learning Laboratory, Tomsk State University, 36 Lenin′s Av., 634050 Tomsk, Russia
| | - Elina A. Genina
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (V.D.G.); (E.A.G.); (V.V.T.)
- Laser Molecular Imaging and Machine Learning Laboratory, Tomsk State University, 36 Lenin′s Av., 634050 Tomsk, Russia
| | - Valery V. Tuchin
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (V.D.G.); (E.A.G.); (V.V.T.)
- Laser Molecular Imaging and Machine Learning Laboratory, Tomsk State University, 36 Lenin′s Av., 634050 Tomsk, Russia
- Institute of Precision Mechanics and Control, FRC “Saratov Scientific Centre of the Russian Academy of Sciences”, 24 Rabochaya Str., 410028 Saratov, Russia
| |
Collapse
|
5
|
Mauro N, Utzeri MA, Sciortino A, Messina F, Cannas M, Popescu R, Gerthsen D, Buscarino G, Cavallaro G, Giammona G. Decagram-Scale Synthesis of Multicolor Carbon Nanodots: Self-Tracking Nanoheaters with Inherent and Selective Anticancer Properties. ACS APPLIED MATERIALS & INTERFACES 2022; 14:2551-2563. [PMID: 34985246 DOI: 10.1021/acsami.1c19599] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Carbon nanodots (CDs) are a new class of carbon-based nanoparticles endowed with photoluminescence, high specific surface area, and good photothermal conversion, which have spearheaded many breakthroughs in medicine, especially in drug delivery and cancer theranostics. However, the tight control of their structural, optical, and biological properties and the synthesis scale-up have been very difficult so far. Here, we report for the first time an efficient protocol for the one-step synthesis of decagram-scale quantities of N,S-doped CDs with a narrow size distribution, along with a single nanostructure multicolor emission, high near-infrared (NIR) photothermal conversion efficiency, and selective reactive oxygen species (ROS) production in cancer cells. This allows achieving targeted and multimodal cytotoxic effects (i.e., photothermal and oxidative stresses) in cancer cells by applying biocompatible NIR laser sources that can be remotely controlled under the guidance of fluorescence imaging. Hence, our findings open up a range of possibilities for real-world biomedical applications, among which is cancer theranostics. In this work, indocyanine green is used as a bidentate SOx donor which has the ability to tune surface groups and emission bands of CDs obtained by solvothermal decomposition of citric acid and urea in N,N-dimethylformamide. The co-doping implies various surface states providing transitions in the visible region, thus eliciting a tunable multicolor emission from blue to red and excellent photothermal efficiency in the NIR region useful in bioimaging applications and image-guided anticancer phototherapy. The fluorescence self-tracking capability of SOx-CDs reveals that they can enter cancer cells more quickly than healthy cell lines and undergo a different intracellular fate after cell internalization. This could explain why sulfur doping entails pro-oxidative activities by triggering more ROS generation in cancer cells when compared to healthy cell lines. We also find that oxidative stress can be locally enhanced under the effects of a NIR laser at moderate power density (2.5 W cm-2). Overall, these findings suggest that SOx-CDs are endowed with inherent drug-independent cytotoxic effects toward cancer cells, which would be selectively enhanced by external NIR light irradiation and helpful in precision anticancer approaches. Also, this work opens a debate on the role of CD surface engineering in determining nanotoxicity as a function of cell metabolism, thus allowing a rational design of next-generation nanomaterials with targeted anticancer properties.
Collapse
Affiliation(s)
- Nicolò Mauro
- Laboratory of Biocompatible Polymers, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, via Archirafi 32, 90123 Palermo, Italy
| | - Mara Andrea Utzeri
- Laboratory of Biocompatible Polymers, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, via Archirafi 32, 90123 Palermo, Italy
| | - Alice Sciortino
- Department of Physics and Chemistry (DiFC) "E. Segrè", University of Palermo, via Archirafi 36, 90123 Palermo, Italy
| | - Fabrizio Messina
- Department of Physics and Chemistry (DiFC) "E. Segrè", University of Palermo, via Archirafi 36, 90123 Palermo, Italy
- ATeNCenter, University of Palermo, Viale delle Scienze─Ed. 18/A, 90128 Palermo, Italy
| | - Marco Cannas
- Department of Physics and Chemistry (DiFC) "E. Segrè", University of Palermo, via Archirafi 36, 90123 Palermo, Italy
| | - Radian Popescu
- Laboratory for Electron Microscopy, Karlsruhe Institute of Technology|KIT, Finanzmanagement Kaiserstraße 12, D-76131 Karlsruhe, Germany
| | - Dagmar Gerthsen
- Laboratory for Electron Microscopy, Karlsruhe Institute of Technology|KIT, Finanzmanagement Kaiserstraße 12, D-76131 Karlsruhe, Germany
| | - Gianpiero Buscarino
- Department of Physics and Chemistry (DiFC) "E. Segrè", University of Palermo, via Archirafi 36, 90123 Palermo, Italy
- ATeNCenter, University of Palermo, Viale delle Scienze─Ed. 18/A, 90128 Palermo, Italy
| | - Gennara Cavallaro
- Laboratory of Biocompatible Polymers, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, via Archirafi 32, 90123 Palermo, Italy
- ATeNCenter, University of Palermo, Viale delle Scienze─Ed. 18/A, 90128 Palermo, Italy
| | - Gaetano Giammona
- Laboratory of Biocompatible Polymers, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, via Archirafi 32, 90123 Palermo, Italy
| |
Collapse
|
6
|
Orlacchio R, Nikolayev D, Le Page Y, Le Drean Y, Zhadobov M. Millimeter-wave Heating in vitro: Local Microscale Temperature Measurements Correlated to Heat Shock Cellular Response. IEEE Trans Biomed Eng 2021; 69:840-848. [PMID: 34437056 DOI: 10.1109/tbme.2021.3108038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
OBJECTIVE Cellular sensitivity to heat is highly variable depending on the cell line. The aim of this paper is to assess the cellular sensitivity of the A375 melanoma cell line to continuous (CW) millimeter-waves (MMW) induced heating at 58.4 GHz, between 37 C and 47 C C to get a deeper insight into optimization of thermal treatment of superficial skin cancer. METHODS Phosphorylation of heat shock protein 27 (HSP27) was mapped within an area of about 30 mm2 to visualize the variation of heat-induced cellular stress as a function of the distance from the waveguide aperture (MMW radiation source). A multiphysics computational approach was then adopted to yield both electromagnetic and thermal field distributions as well as corresponding specific absorption rate (SAR) and temperature elevation. Induced temperature rise was experimentally measured using a micro-thermocouple (TC). RESULTS Coupling of the incident electromagnetic (EM) field with TC leads was first characterized, and optimal TC placing was identified. HSP27 phosphorylation was induced at temperatures 41 C, and its level increases as a function of the thermal dose delivered, remaining mostly focused within 3 mm2. CONCLUSION Phosphorylation of HSP27 represents a valuable marker of cellular stress of A375 melanoma cells under MMW exposure, providing both quantitative and spatial information about the distribution of the thermal stress. SIGNIFICANCE These results may contribute to the design of thermal treatments of superficial melanoma through MMW-induced heating in the hyperthermic temperature range.
Collapse
|
7
|
Pfeuty B, Courtade E, Thommen Q. Fine-tuned control of stress priming and thermotolerance. Phys Biol 2021; 18. [PMID: 34156353 DOI: 10.1088/1478-3975/ac02a8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 05/18/2021] [Indexed: 11/11/2022]
Abstract
A common signature of cell adaptation to stress is the improved resistance upon priming by prior stress exposure. In the context of hyperthermia, priming or preconditioning with sublethal heat shock can be a useful tool to confer thermotolerance and competitive advantage to cells. In the present study, we develop a data-driven modeling framework that is simple and generic enough to capture a broad set of adaptation behaviors to heat stress at both molecular and cellular levels. The model recovers the main features of thermotolerance and clarifies the tradeoff principles which maximize the thermotolerance effect. It therefore provides an effective predictive tool to design preconditioning and fractionation hyperthermia protocols for therapeutic purpose.
Collapse
Affiliation(s)
- Benjamin Pfeuty
- Univ. Lille, CNRS, UMR 8523-PhLAM-Physique des Lasers Atomes et Molécules, F-59000 Lille, France
| | - Emmanuel Courtade
- Univ. Lille, CNRS, UMR 8523-PhLAM-Physique des Lasers Atomes et Molécules, F-59000 Lille, France
| | - Quentin Thommen
- Univ. Lille, CNRS, UMR 8523-PhLAM-Physique des Lasers Atomes et Molécules, F-59000 Lille, France
| |
Collapse
|
8
|
Modulating the Heat Stress Response to Improve Hyperthermia-Based Anticancer Treatments. Cancers (Basel) 2021; 13:cancers13061243. [PMID: 33808973 PMCID: PMC8001574 DOI: 10.3390/cancers13061243] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 03/02/2021] [Accepted: 03/09/2021] [Indexed: 12/18/2022] Open
Abstract
Simple Summary Hyperthermia is a method to expose a tumor to elevated temperatures. Heating of the tumor promotes the effects of various treatment regimens that are based on chemo and radiotherapy. Several aspects, however, limit the efficacy of hyperthermia-based treatments. This review provides an overview of the effects and limitations of hyperthermia and discusses how current drawbacks of the therapy can potentially be counteracted by inhibiting the heat stress response—a mechanism that cells activate to defend themselves against hyperthermia. Abstract Cancer treatments based on mild hyperthermia (39–43 °C, HT) are applied to a widening range of cancer types, but several factors limit their efficacy and slow down more widespread adoption. These factors include difficulties in adequate heat delivery, a short therapeutic window and the acquisition of thermotolerance by cancer cells. Here, we explore the biological effects of HT, the cellular responses to these effects and their clinically-relevant consequences. We then identify the heat stress response—the cellular defense mechanism that detects and counteracts the effects of heat—as one of the major forces limiting the efficacy of HT-based therapies and propose targeting this mechanism as a potentially universal strategy for improving their efficacy.
Collapse
|