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Tan G, Xu J, Yu Q, Yang Z, Zhang H. The safety and efficiency of photodynamic therapy for the treatment of osteosarcoma: A systematic review of in vitro experiment and animal model reports. Photodiagnosis Photodyn Ther 2022; 40:103093. [PMID: 36031143 DOI: 10.1016/j.pdpdt.2022.103093] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 08/23/2022] [Accepted: 08/24/2022] [Indexed: 12/14/2022]
Abstract
BACKGROUND Osteosarcoma (OS) is an aggressive malignant bone tumour with high mortality. A poor prognosis is noted in patients with distal metastases or multidrug resistance. As an emerging antitumor strategy, photodynamic therapy (PDT) mediated by visible and near infrared light has attracted intensive attention given its target selectivity, remote controllability, minimal or non-invasive features. However, PDT also has obvious limitations. Specifically, due to the limited penetration of light, it is mainly used in the clinical treatment of superficial malignant tumours, such as musculoskeletal sarcomas and melanoma, but it has not been applied to the clinical treatment of deep malignant bone tumours except for a very small number of experiments on deep canine OS models. MATERIALS AND METHODS We searched for studies that focused on the effectiveness and safety of PDT for OS based on in vitro experiments and animal models in the last decade. A systematic search was conducted using electronic databases, including PubMed, ClinicalTrials.gov, and the Cochrane Library. INCLUSION CRITERIA (1) original research articles about PDT for OS; (2) articles in English; (3) in vitro or animal model research; and (4) detailed information, including cell name, fluence, irradiation wavelength, time of incubation with PS, duration between PS treatment and irradiation, and duration between irradiation and viability assays. EXCLUSION CRITERIA (1) study was a review/systemic review article, patent, letter, or conference abstract/paper; (2) articles were not published in English; (3) studies containing overlapping or insufficient data. RESULTS We identified 201 publications, and 44 articles met the inclusion criteria and were included in the synthesis. Unfortunately, there are no relevant clinical reports of the use of PDT in the treatment of human OS. In these studies, 8 studies only employed in vivo experiments to evaluate the efficiency of PDT in an OS animal model, 19 studies exclusively performed in vitro viability assays of cells treated with PDT under different conditions, and 17 studies included in vitro cell experiments and in vivo animal OS models to evaluate the effect of PDT on OS in vivo and in vitro. All studies have shown that PDT is cytotoxic to OS cells or can inhibit the growth of OS in heterologous or homologous animal OS models but exhibits minimal cytotoxicity at a certain range of dosages. CONCLUSION Based on this systematic review, PDT can eradicate OS cells in cell culture and there is some evidence for efficacy in animal models. However, the ability for PDT to control human OS is unclear, the animal and human reports do not show evidence of human OS control, they just do show feasibility. The major issues concerning the potential for treatment of osteosarcoma with PDT are that adequate light should be transmitted to tumor loci and if the disease is caught before metastasis and irradiation of tumor sites is feasible, curative potential is there. Otherwise, PDT may be mainly palliative. To determine whether PDT can safely and efficiently be used in the clinical treatment of OS, many preclinical orthotopic animal OS models and OS models of multiple systemic metastases must be performed and interstitial PDT or intraoperative PDT may be a good and potential candidate for human OS treatment. If these problems can be well solved, PDT may be a potentially effective strategy for the treatment of OS patients.
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Affiliation(s)
- Gang Tan
- Department of Orthopedics, West China Hospital of Sichuan University, Chengdu, Sichuan, China; Department of Orthopedics, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Jing Xu
- Operating Room, West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu, Sichuan 610041, China
| | - Qin Yu
- Department of Orthopedics, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Zeyu Yang
- Rotex Tech.Ltd.Co. Room 1104, floor 11, building 6, No. 599, Shijicheng South Road, high tech Zone, Chengdu, Sichuan, China.
| | - Hui Zhang
- Department of Orthopedics, West China Hospital of Sichuan University, Chengdu, Sichuan, China.
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Yang J, Fu Q, Jiang H, Li Y, Liu M. Progress of phototherapy for osteosarcoma and application prospect of blue light photobiomodulation therapy. Front Oncol 2022; 12:1022973. [PMID: 36313662 PMCID: PMC9606592 DOI: 10.3389/fonc.2022.1022973] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 09/20/2022] [Indexed: 12/02/2022] Open
Abstract
Osteosarcoma (OS) is the most common primary malignant bone tumor that mainly affects the pediatric and adolescent population; limb salvage treatment has become one of the most concerned and expected outcomes of OS patients recently. Phototherapy (PT), as a novel, non-invasive, and efficient antitumor therapeutic approach including photodynamic therapy (PDT), photothermal therapy (PTT), and photobiomodulation therapy (PBMT), has been widely applied in superficial skin tumor research and clinical treatment. OS is the typical deep tumor, and its phototherapy research faces great limitations and challenges. Surprisingly, pulse mode LED light can effectively improve tissue penetration and reduce skin damage caused by high light intensity and has great application potential in deep tumor research. In this review, we discussed the research progress and related molecular mechanisms of phototherapy in the treatment of OS, mainly summarized the status quo of blue light PBMT in the scientific research and clinical applications of tumor treatment, and outlooked the application prospect of pulsed blue LED light in the treatment of OS, so as to further improve clinical survival rate and prognosis of OS treatment and explore corresponding cellular mechanisms.
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Affiliation(s)
- Jiali Yang
- School of Information Science and Technology, Fudan University, Shanghai, China
| | - Qiqi Fu
- School of Information Science and Technology, Fudan University, Shanghai, China
| | - Hui Jiang
- Academy for Engineering and Technology, Fudan University, Shanghai, China
| | - Yinghua Li
- Shanghai Fifth People’s Hospital, Fudan University, Shanghai, China
- *Correspondence: Yinghua Li, ; Muqing Liu,
| | - Muqing Liu
- School of Information Science and Technology, Fudan University, Shanghai, China
- Zhongshan Fudan Joint Innovation Center, Zhongshan, China
- *Correspondence: Yinghua Li, ; Muqing Liu,
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Sun J, Xing F, Braun J, Traub F, Rommens PM, Xiang Z, Ritz U. Progress of Phototherapy Applications in the Treatment of Bone Cancer. Int J Mol Sci 2021; 22:ijms222111354. [PMID: 34768789 PMCID: PMC8584114 DOI: 10.3390/ijms222111354] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 10/18/2021] [Accepted: 10/19/2021] [Indexed: 02/05/2023] Open
Abstract
Bone cancer including primary bone cancer and metastatic bone cancer, remains a challenge claiming millions of lives and affecting the life quality of survivors. Conventional treatments of bone cancer include wide surgical resection, radiotherapy, and chemotherapy. However, some bone cancer cells may remain or recur in the local area after resection, some are highly resistant to chemotherapy, and some are insensitive to radiotherapy. Phototherapy (PT) including photodynamic therapy (PDT) and photothermal therapy (PTT), is a clinically approved, minimally invasive, and highly selective treatment, and has been widely reported for cancer therapy. Under the irradiation of light of a specific wavelength, the photosensitizer (PS) in PDT can cause the increase of intracellular ROS and the photothermal agent (PTA) in PTT can induce photothermal conversion, leading to the tumoricidal effects. In this review, the progress of PT applications in the treatment of bone cancer has been outlined and summarized, and some envisioned challenges and future perspectives have been mentioned. This review provides the current state of the art regarding PDT and PTT in bone cancer and inspiration for future studies on PT.
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Affiliation(s)
- Jiachen Sun
- Biomatics Group, Department of Orthopaedics and Traumatology, University Medical Center of the Johannes Gutenberg University, Langenbeckstr. 1, 55131 Mainz, Germany; (J.S.); (J.B.); (F.T.); (P.M.R.)
- Department of Orthopaedics, West China Hospital, Sichuan University, No. 37 Guoxue Lane, Chengdu 610041, China;
| | - Fei Xing
- Department of Orthopaedics, West China Hospital, Sichuan University, No. 37 Guoxue Lane, Chengdu 610041, China;
| | - Joy Braun
- Biomatics Group, Department of Orthopaedics and Traumatology, University Medical Center of the Johannes Gutenberg University, Langenbeckstr. 1, 55131 Mainz, Germany; (J.S.); (J.B.); (F.T.); (P.M.R.)
| | - Frank Traub
- Biomatics Group, Department of Orthopaedics and Traumatology, University Medical Center of the Johannes Gutenberg University, Langenbeckstr. 1, 55131 Mainz, Germany; (J.S.); (J.B.); (F.T.); (P.M.R.)
| | - Pol Maria Rommens
- Biomatics Group, Department of Orthopaedics and Traumatology, University Medical Center of the Johannes Gutenberg University, Langenbeckstr. 1, 55131 Mainz, Germany; (J.S.); (J.B.); (F.T.); (P.M.R.)
| | - Zhou Xiang
- Department of Orthopaedics, West China Hospital, Sichuan University, No. 37 Guoxue Lane, Chengdu 610041, China;
- Correspondence: (Z.X.); (U.R.)
| | - Ulrike Ritz
- Biomatics Group, Department of Orthopaedics and Traumatology, University Medical Center of the Johannes Gutenberg University, Langenbeckstr. 1, 55131 Mainz, Germany; (J.S.); (J.B.); (F.T.); (P.M.R.)
- Correspondence: (Z.X.); (U.R.)
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Grünewald TGP, Alonso M, Avnet S, Banito A, Burdach S, Cidre‐Aranaz F, Di Pompo G, Distel M, Dorado‐Garcia H, Garcia‐Castro J, González‐González L, Grigoriadis AE, Kasan M, Koelsche C, Krumbholz M, Lecanda F, Lemma S, Longo DL, Madrigal‐Esquivel C, Morales‐Molina Á, Musa J, Ohmura S, Ory B, Pereira‐Silva M, Perut F, Rodriguez R, Seeling C, Al Shaaili N, Shaabani S, Shiavone K, Sinha S, Tomazou EM, Trautmann M, Vela M, Versleijen‐Jonkers YMH, Visgauss J, Zalacain M, Schober SJ, Lissat A, English WR, Baldini N, Heymann D. Sarcoma treatment in the era of molecular medicine. EMBO Mol Med 2020; 12:e11131. [PMID: 33047515 PMCID: PMC7645378 DOI: 10.15252/emmm.201911131] [Citation(s) in RCA: 132] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 07/20/2020] [Accepted: 07/24/2020] [Indexed: 12/14/2022] Open
Abstract
Sarcomas are heterogeneous and clinically challenging soft tissue and bone cancers. Although constituting only 1% of all human malignancies, sarcomas represent the second most common type of solid tumors in children and adolescents and comprise an important group of secondary malignancies. More than 100 histological subtypes have been characterized to date, and many more are being discovered due to molecular profiling. Owing to their mostly aggressive biological behavior, relative rarity, and occurrence at virtually every anatomical site, many sarcoma subtypes are in particular difficult-to-treat categories. Current multimodal treatment concepts combine surgery, polychemotherapy (with/without local hyperthermia), irradiation, immunotherapy, and/or targeted therapeutics. Recent scientific advancements have enabled a more precise molecular characterization of sarcoma subtypes and revealed novel therapeutic targets and prognostic/predictive biomarkers. This review aims at providing a comprehensive overview of the latest advances in the molecular biology of sarcomas and their effects on clinical oncology; it is meant for a broad readership ranging from novices to experts in the field of sarcoma.
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Affiliation(s)
- Thomas GP Grünewald
- Max‐Eder Research Group for Pediatric Sarcoma BiologyInstitute of PathologyFaculty of MedicineLMU MunichMunichGermany
- Division of Translational Pediatric Sarcoma ResearchGerman Cancer Research Center (DKFZ), Hopp Children's Cancer Center (KiTZ), German Cancer Consortium (DKTK)HeidelbergGermany
- Institute of PathologyHeidelberg University HospitalHeidelbergGermany
| | - Marta Alonso
- Program in Solid Tumors and BiomarkersFoundation for the Applied Medical ResearchUniversity of Navarra PamplonaPamplonaSpain
| | - Sofia Avnet
- Orthopedic Pathophysiology and Regenerative Medicine UnitIRCCS Istituto Ortopedico RizzoliBolognaItaly
| | - Ana Banito
- Pediatric Soft Tissue Sarcoma Research GroupGerman Cancer Research Center (DKFZ)HeidelbergGermany
| | - Stefan Burdach
- Department of Pediatrics and Children's Cancer Research Center (CCRC)Technische Universität MünchenMunichGermany
| | - Florencia Cidre‐Aranaz
- Max‐Eder Research Group for Pediatric Sarcoma BiologyInstitute of PathologyFaculty of MedicineLMU MunichMunichGermany
| | - Gemma Di Pompo
- Orthopedic Pathophysiology and Regenerative Medicine UnitIRCCS Istituto Ortopedico RizzoliBolognaItaly
| | | | | | | | | | | | - Merve Kasan
- Max‐Eder Research Group for Pediatric Sarcoma BiologyInstitute of PathologyFaculty of MedicineLMU MunichMunichGermany
| | | | | | - Fernando Lecanda
- Division of OncologyAdhesion and Metastasis LaboratoryCenter for Applied Medical ResearchUniversity of NavarraPamplonaSpain
| | - Silvia Lemma
- Orthopedic Pathophysiology and Regenerative Medicine UnitIRCCS Istituto Ortopedico RizzoliBolognaItaly
| | - Dario L Longo
- Institute of Biostructures and Bioimaging (IBB)Italian National Research Council (CNR)TurinItaly
| | | | | | - Julian Musa
- Max‐Eder Research Group for Pediatric Sarcoma BiologyInstitute of PathologyFaculty of MedicineLMU MunichMunichGermany
- Department of General, Visceral and Transplantation SurgeryUniversity of HeidelbergHeidelbergGermany
| | - Shunya Ohmura
- Max‐Eder Research Group for Pediatric Sarcoma BiologyInstitute of PathologyFaculty of MedicineLMU MunichMunichGermany
| | | | - Miguel Pereira‐Silva
- Department of Pharmaceutical TechnologyFaculty of PharmacyUniversity of CoimbraCoimbraPortugal
| | - Francesca Perut
- Orthopedic Pathophysiology and Regenerative Medicine UnitIRCCS Istituto Ortopedico RizzoliBolognaItaly
| | - Rene Rodriguez
- Instituto de Investigación Sanitaria del Principado de AsturiasOviedoSpain
- CIBER en oncología (CIBERONC)MadridSpain
| | | | - Nada Al Shaaili
- Department of Oncology and MetabolismUniversity of SheffieldSheffieldUK
| | - Shabnam Shaabani
- Department of Drug DesignUniversity of GroningenGroningenThe Netherlands
| | - Kristina Shiavone
- Department of Oncology and MetabolismUniversity of SheffieldSheffieldUK
| | - Snehadri Sinha
- Department of Oral and Maxillofacial DiseasesUniversity of HelsinkiHelsinkiFinland
| | | | - Marcel Trautmann
- Division of Translational PathologyGerhard‐Domagk‐Institute of PathologyMünster University HospitalMünsterGermany
| | - Maria Vela
- Hospital La Paz Institute for Health Research (IdiPAZ)MadridSpain
| | | | | | - Marta Zalacain
- Institute of Biostructures and Bioimaging (IBB)Italian National Research Council (CNR)TurinItaly
| | - Sebastian J Schober
- Department of Pediatrics and Children's Cancer Research Center (CCRC)Technische Universität MünchenMunichGermany
| | - Andrej Lissat
- University Children′s Hospital Zurich – Eleonoren FoundationKanton ZürichZürichSwitzerland
| | - William R English
- Department of Oncology and MetabolismUniversity of SheffieldSheffieldUK
| | - Nicola Baldini
- Orthopedic Pathophysiology and Regenerative Medicine UnitIRCCS Istituto Ortopedico RizzoliBolognaItaly
- Department of Biomedical and Neuromotor SciencesUniversity of BolognaBolognaItaly
| | - Dominique Heymann
- Department of Oncology and MetabolismUniversity of SheffieldSheffieldUK
- Université de NantesInstitut de Cancérologie de l'OuestTumor Heterogeneity and Precision MedicineSaint‐HerblainFrance
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Duchi S, Sotgiu G, Lucarelli E, Ballestri M, Dozza B, Santi S, Guerrini A, Dambruoso P, Giannini S, Donati D, Ferroni C, Varchi G. Mesenchymal stem cells as delivery vehicle of porphyrin loaded nanoparticles: effective photoinduced in vitro killing of osteosarcoma. J Control Release 2013; 168:225-37. [PMID: 23524189 DOI: 10.1016/j.jconrel.2013.03.012] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2012] [Revised: 03/11/2013] [Accepted: 03/14/2013] [Indexed: 10/27/2022]
Abstract
Mesenchymal stem cells (MSC) have the unique ability to home and engraft in tumor stroma. These features render them potentially a very useful tool as targeted delivery vehicles which can deliver therapeutic drugs to the tumor stroma. In the present study, we investigate whether fluorescent core-shell PMMA nanoparticles (FNPs) post-loaded with a photosensitizer, namely meso-tetrakis (4-sulfonatophenyl) porphyrin (TPPS) and uploaded by MSC could trigger osteosarcoma (OS) cell death in vitro upon specific photoactivation. In co-culture studies we demonstrate using laser confocal microscopy and time lapse imaging, that only after laser irradiation MSC loaded with photosensitizer-coated fluorescent NPs (TPPS@FNPs) undergo cell death and release reactive oxygen species (ROS) which are sufficient to trigger cell death of all OS cells in the culture. These results encourage further studies aimed at proving the efficacy of this novel tri-component system for PDT applications.
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Affiliation(s)
- S Duchi
- Osteoarticolar Regeneration Laboratory, Rizzoli Orthopaedic Institute IOR, Via di Barbiano 1/10, 40136, Bologna, Italy
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6
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Bisland SK, Burch S. Photodynamic therapy of diseased bone. Photodiagnosis Photodyn Ther 2006; 3:147-55. [DOI: 10.1016/s1572-1000(06)00036-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2006] [Revised: 02/22/2006] [Accepted: 02/27/2006] [Indexed: 10/24/2022]
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Burch S, Bisland SK, Bogaards A, Yee AJM, Whyne CM, Finkelstein JA, Wilson BC. Photodynamic therapy for the treatment of vertebral metastases in a rat model of human breast carcinoma. J Orthop Res 2005; 23:995-1003. [PMID: 16140186 DOI: 10.1016/j.orthres.2004.12.014] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2004] [Accepted: 12/22/2004] [Indexed: 02/04/2023]
Abstract
The feasibility and efficacy of photodynamic therapy (PDT) for the treatment of vertebral metastases using a minimally invasive surgical technique adapted from vertebroplasty was evaluated in a rodent model. Initial validation included photosensitizer (benzoporphyrin-derivative monoacid-ring A) drug uptake studies and in vitro confirmation of PDT efficacy. Intracardiac injection of human MT-1 breast cancer cells was performed in athymic rats. In 63 rats that developed vertebral metastases 21 days post-inoculation, single treatment of PDT was performed using a parapedicular approach placing an optical fiber adjacent to targeted vertebrae. Two milligrams per kilogram of photosensitizer drug was administered intravenously followed by 150 mW of 690 nm light illumination at varying drug-light intervals and light energies. Histologic and immunohistochemical analysis was performed assessing treatment effect. Local tumor viability and growth was quantified by bioluminescence imaging pre and 48 h post-treatment. PDT demonstrated an ablative effect on vertebral metastases (light energies 25-150 J). The effect varied in proportion to light energy with the greatest anti-tumor effect observed at 150 J using a 3 h drug-light interval. 9/22 rodents in the 3 h drug-light interval developed hindlimb paralysis following treatment, consistent with drug uptake studies demonstrating an increase in spinal cord uptake 3h following drug administration. The observations of paralysis following treatment highlight the importance of closely defining the therapeutic window of treatment in safety and efficacy.
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Affiliation(s)
- S Burch
- The Spine Program, Division of Orthopaedic Surgery, Sunnybrook and Women's College Health Sciences Centre, University of Toronto, Ontario, Canada M4N 3M5
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Huang D, Okada K, Komori C, Itoi E, Suzuki T. Enhanced antitumor activity of ultrasonic irradiation in the presence of new quinolone antibiotics in vitro. Cancer Sci 2004; 95:845-9. [PMID: 15504254 PMCID: PMC11158817 DOI: 10.1111/j.1349-7006.2004.tb02192.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2004] [Revised: 08/06/2004] [Accepted: 08/10/2004] [Indexed: 11/28/2022] Open
Abstract
To determine if there is any synergistic antitumor effect of ultrasound (US) in the presence of new quinolone (NQ) antibiotics, 0.2 mM solutions of lomefloxacin hydrochloride (LFLX), sparfloxacin (SPFX), ciprofloxacin hydrochloride (CPFX), and gatifloxacin hydrate (GFLX) were tested as sonodynamic agents against sarcoma 180 cells in vitro. After US irradiation at 2 W/cm(2) for 30 and 60 s, the survival rates of tumor cells in the presence of NQ antibiotics were significantly lower than those in their absence (P < 0.001). In May-Giemsa smears, most of the tumor cells remained intact in the control group. However, in the 0.2 mM SPFX group, the tumor cells were mostly fragmented. The synergistic antitumor effect of SPFX was dose-dependent. Furthermore, when D-mannitol was used with SPFX, the survival rate of tumor cells after irradiation was comparable with that when SPFX alone was applied, but when L-histidine was used concurrently, the survival rate of tumor cells was significantly higher than that when SPFX alone was applied. These findings suggest that NQ antibiotics would exhibit useful antitumor activity under US irradiation, and that generation of singlet oxygen is involved in the process of cell damage.
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Affiliation(s)
- Deqing Huang
- Department of Orthopedic Surgery, Akita University School of Medicine and Pharmaceutical Science, Akita University Hospital, Akita 010-8543, Japan
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Okada K, Itoi E, Miyakoshi N, Nakajima M, Suzuki T, Nishida J. Enhanced antitumor effect of ultrasound in the presence of piroxicam in a mouse air pouch model. Jpn J Cancer Res 2002; 93:216-22. [PMID: 11856486 PMCID: PMC5926946 DOI: 10.1111/j.1349-7006.2002.tb01261.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
The antitumor effects of piroxicam, a non-steroidal anti-inflammatory drug, on sarcoma 180 cells under ultrasonic irradiation were examined in a mouse air pouch model. When piroxicam was added to sarcoma 180 suspension under ultrasound irradiation (2 MHz, 10 W, 120 s), the mortality rate of tumor cells immediately after the irradiation and the survival rate of mice were significantly higher than those when ultrasound alone was applied, and these effects of piroxicam were dose-dependent. When D-mannitol was used with piroxicam, the mortality rate of the tumors cells after the irradiation was comparable with that when piroxicam alone was applied, but when L-histidine was used concurrently, the antitumor effect was significantly lower than that when piroxicam alone was applied. Histological examinations one week after the ultrasound irradiation in the presence of piroxicam showed sparse tumor tissue in the air pouch and normal appearance of the air pouch and surrounding tissue. The findings suggest that piroxicam enhances the anti-tumor effects of ultrasound in vivo by increasing the production of singlet oxygen without damage to tissue surrounding the tumor.
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Affiliation(s)
- Kyoji Okada
- Department of Orthopedic Surgery, Akita University School of Medicine, Akita 010-8543, Japan.
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Sakusabe N, Okada K, Sato K, Kamada S, Yoshida Y, Suzuki T. Enhanced sonodynamic antitumor effect of ultrasound in the presence of nonsteroidal anti-inflammatory drugs. Jpn J Cancer Res 1999; 90:1146-51. [PMID: 10595744 PMCID: PMC5925999 DOI: 10.1111/j.1349-7006.1999.tb00689.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
The antitumor effects of non-steroidal anti-inflammatory drugs, tenoxicam and piroxicam, against sarcoma 180 cells cultured in 7-week-old male mice were examined in vitro under ultrasonic irradiation. The survival rate of tumor cells when tenoxicam or piroxicam was added to sarcoma 180 suspension under ultrasonic irradiation was significantly lower than that when ultrasound alone was applied. Furthermore, when L-histidine, a scavenger of singlet oxygen and hydroxyl radical, or D-mannitol, a scavenger of hydroxyl radical, was used concurrently, the survival rate of tumor cells was significantly higher with L-histidine. From the above findings, it is surmised that tenoxicam and piroxicam increase the antitumor effects of ultrasound by increasing the production of singlet oxygen and other active oxygen species.
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Affiliation(s)
- N Sakusabe
- Department of Orthopedic Surgery, Akita University School of Medicine
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