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Oei AL, Vriend LEM, Krawczyk PM, Horsman MR, Franken NAP, Crezee J. Targeting therapy-resistant cancer stem cells by hyperthermia. Int J Hyperthermia 2017; 33:419-427. [PMID: 28100096 DOI: 10.1080/02656736.2017.1279757] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Eradication of all malignant cells is the ultimate but challenging goal of anti-cancer treatment; most traditional clinically-available approaches fail because there are cells in a tumour that either escape therapy or become therapy-resistant. A subpopulation of cancer cells, the cancer stem cells (CSCs), is considered to be of particular significance for tumour initiation, progression and metastasis. CSCs are considered in particular to be therapy-resistant and may drive disease recurrence, which positions CSCs in the focus of anti-cancer research, but successful CSC-targeting therapies are limited. Here, we argue that hyperthermia - a therapeutic approach based on local heating of a tumour - is potentially beneficial for targeting CSCs in solid tumours. First, hyperthermia has been described to target cells in hypoxic and nutrient-deprived tumour areas where CSCs reside and ionising radiation and chemotherapy are least effective. Second, hyperthermia can modify factors that are essential for tumour survival and growth, such as the microenvironment, immune responses, vascularisation and oxygen supply. Third, hyperthermia targets multiple DNA repair pathways, which are generally upregulated in CSCs and protect them from DNA-damaging agents. Addition of hyperthermia to the therapeutic armamentarium of oncologists may thus be a promising strategy to eliminate therapy-escaping and -resistant CSCs.
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Affiliation(s)
- A L Oei
- a Laboratory for Experimental Oncology and Radiobiology (LEXOR) , Center for Experimental and Molecular Medicine , Amsterdam , The Netherlands.,b Department of Radiotherapy , Academic Medical Center (AMC) and Cancer Center Amsterdam , Amsterdam , The Netherlands
| | - L E M Vriend
- c Department of Cell Biology and Histology , Academic Medical Center (AMC) and Cancer Center Amsterdam , Amsterdam , The Netherlands
| | - P M Krawczyk
- c Department of Cell Biology and Histology , Academic Medical Center (AMC) and Cancer Center Amsterdam , Amsterdam , The Netherlands
| | - M R Horsman
- d Department for Experimental Clinical Oncology , Aarhus University Hospital , Aarhus C , Denmark
| | - N A P Franken
- a Laboratory for Experimental Oncology and Radiobiology (LEXOR) , Center for Experimental and Molecular Medicine , Amsterdam , The Netherlands.,b Department of Radiotherapy , Academic Medical Center (AMC) and Cancer Center Amsterdam , Amsterdam , The Netherlands
| | - J Crezee
- b Department of Radiotherapy , Academic Medical Center (AMC) and Cancer Center Amsterdam , Amsterdam , The Netherlands
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Huang H, Yu K, Mohammadi A, Karanthanasis E, Godley A, Yu JS. It's Getting Hot in Here: Targeting Cancer Stem-like Cells with Hyperthermia. JOURNAL OF STEM CELL AND TRANSPLANTATION BIOLOGY 2017; 2:113. [PMID: 30542674 PMCID: PMC6287629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Cancer stem-like cells (CSCs) are a subset of cancer cells that are resistant to conventional radiotherapy and chemotherapy. As such, CSCs have been recognized as playing a large role in tumor initiation and recurrence. Although hyperthermia is broadly used in cancer treatment either alone or in combination with radio- or chemo-therapy, its potential to target CSCs is not well understood. In this review, we discuss different types of hyperthermia and potential mechanisms of action in cancer treatment, particularly in regards to killing CSCs.
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Affiliation(s)
- Haidong Huang
- Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, NE30, Cleveland, OH 44195, USA
| | - Kevin Yu
- Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, NE30, Cleveland, OH 44195, USA
| | - Alireza Mohammadi
- Department of Neurosurgery, Rose Ella Burckhardt Brain tumor and Neuro-oncology Center, Neurological Institute, Cleveland Clinic, 9500 Euclid Avenue, CA51, Cleveland, OH 44195, USA,Burkhardt Brain Tumor and Neuro-Oncology Center, Cleveland Clinic, 9500 Euclid Avenue, CA51, Cleveland, OH 44195, USA
| | - Efstathios Karanthanasis
- Department of Biomedical Engineering, Case Western Reserve University, 1900 Euclid Avenue, Cleveland, OH 44106, USA
| | - Andrew Godley
- Department of Radiation Oncology, Taussig Cancer Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, CA50, OH 44195, USA
| | - Jennifer S. Yu
- Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, NE30, Cleveland, OH 44195, USA,Burkhardt Brain Tumor and Neuro-Oncology Center, Cleveland Clinic, 9500 Euclid Avenue, CA51, Cleveland, OH 44195, USA,Department of Radiation Oncology, Taussig Cancer Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, CA50, OH 44195, USA,Corresponding Author: Jennifer S. Yu, Department of Radiation Oncology, Department of Stem Cell Biology and Regenerative Medicine, Cleveland Clinic, 9500 Euclid Avenue, CA50, Cleveland, OH 44195, USA, Tel: 216-445-9799; Fax: 216-445-1068,
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Xu J, Cao Y, Xu C, Cheng X, You Y, Yao Y, Liu J, Wang Z, Li P, Lu M. Combination of microbubbles and diagnostic ultrasound at a high mechanical index for the synergistic microwave ablation of tumours. Int J Hyperthermia 2016; 33:318-326. [PMID: 27764970 DOI: 10.1080/02656736.2016.1239843] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
OBJECTIVES To determine whether combining microbubbles (MBs) with diagnostic ultrasound (US) at a high mechanical index (MI) could enhance the microwave (MW) ablation of tumours. MATERIALS AND METHODS Five therapeutic MW adjuvant protocols were studied: MW, MW + US, MW + US + MB, MW + US + NS (saline) and MW + MB. In 30 normal rabbit livers, the synergistic effects were evaluated via temperature, necrosis volume and histology. In 90 VX2 rabbit hepatic tumours, residual cells in the peripheral ablated tumours were examined via immunohistochemical assay and tumour growth. Additional 40 VX2 hepatic tumours were evaluated for ablation safety via blood assay and weight and for survival to 105 days. Results were compared using analysis of variance. RESULTS Compared with the other protocols, the ablation volumes in normal rabbit livers were significantly larger using the MW + US + MB protocol (p < .001). The histological examination was consistent with more efficient ablation in that protocol. In detecting residual cells, the apoptotic index was higher, the proliferating index was lower (p < .05), tumour growth was significantly smaller (p < .001), and the rabbits of the MW + US + MB T-Group survived longer (p < .05) than those of the other groups. Additionally, no damage to the liver function or blood cells was found in any of the protocols after ablation (p < .05). CONCLUSIONS MBs in combination with diagnostic US at a high MI showed potential synergy in the MW ablation of tumours in rabbits.
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Affiliation(s)
- Jinshun Xu
- a Chongqing Key Laboratory of Ultrasound Molecular Imaging , Second Affiliated Hospital of Chongqing Medical University , Chongqing , China
| | - Yang Cao
- a Chongqing Key Laboratory of Ultrasound Molecular Imaging , Second Affiliated Hospital of Chongqing Medical University , Chongqing , China
| | - Chunyan Xu
- a Chongqing Key Laboratory of Ultrasound Molecular Imaging , Second Affiliated Hospital of Chongqing Medical University , Chongqing , China
| | - Xueqing Cheng
- b Department of Radiology , Central Hospital of Enshi Autonomous Prefecture , Hubei , China
| | - Yufeng You
- c Department of Ultrasound , Sichuan Provincial Cancer Hospital , Sichuan , China
| | - Yuanzhi Yao
- a Chongqing Key Laboratory of Ultrasound Molecular Imaging , Second Affiliated Hospital of Chongqing Medical University , Chongqing , China
| | - Jianxin Liu
- a Chongqing Key Laboratory of Ultrasound Molecular Imaging , Second Affiliated Hospital of Chongqing Medical University , Chongqing , China
| | - Zhigang Wang
- a Chongqing Key Laboratory of Ultrasound Molecular Imaging , Second Affiliated Hospital of Chongqing Medical University , Chongqing , China
| | - Pan Li
- a Chongqing Key Laboratory of Ultrasound Molecular Imaging , Second Affiliated Hospital of Chongqing Medical University , Chongqing , China
| | - Min Lu
- d Department of Ultrasound , Second Affiliated Hospital of Chongqing Medical University , Chongqing , China
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