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Zeng J, Zhang X, Lin Z, Zhang Y, Yang J, Dou P, Liu T. Harnessing ferroptosis for enhanced sarcoma treatment: mechanisms, progress and prospects. Exp Hematol Oncol 2024; 13:31. [PMID: 38475936 DOI: 10.1186/s40164-024-00498-3] [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: 10/11/2023] [Accepted: 03/03/2024] [Indexed: 03/14/2024] Open
Abstract
Sarcoma is a malignant tumor that originates from mesenchymal tissue. The common treatment for sarcoma is surgery supplemented with radiotherapy and chemotherapy. However, patients have a 5-year survival rate of only approximately 60%, and sarcoma cells are highly resistant to chemotherapy. Ferroptosis is an iron-dependent nonapoptotic type of regulated programmed cell death that is closely related to the pathophysiological processes underlying tumorigenesis, neurological diseases and other conditions. Moreover, ferroptosis is mediated via multiple regulatory pathways that may be targets for disease therapy. Recent studies have shown that the induction of ferroptosis is an effective way to kill sarcoma cells and reduce their resistance to chemotherapeutic drugs. Moreover, ferroptosis-related genes are related to the immune system, and their expression can be used to predict sarcoma prognosis. In this review, we describe the molecular mechanism underlying ferroptosis in detail, systematically summarize recent research progress with respect to ferroptosis application as a sarcoma treatment in various contexts, and point out gaps in the theoretical research on ferroptosis, challenges to its clinical application, potential resolutions of these challenges to promote ferroptosis as an efficient, reliable and novel method of clinical sarcoma treatment.
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Affiliation(s)
- Jing Zeng
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Xianghong Zhang
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Zhengjun Lin
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Yu Zhang
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Jing Yang
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
- Department of Orthopedics, The Fifth Affiliated Hospital of Xinjiang Medical University, Urumqi, 830000, Xinjiang, China
| | - Pengcheng Dou
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Tang Liu
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China.
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Jiang Y, He K. Nanobiotechnological approaches in osteosarcoma therapy: Versatile (nano)platforms for theranostic applications. ENVIRONMENTAL RESEARCH 2023; 229:115939. [PMID: 37088317 DOI: 10.1016/j.envres.2023.115939] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 04/08/2023] [Accepted: 04/17/2023] [Indexed: 05/03/2023]
Abstract
Constructive achievements in the field of nanobiotechnology and their translation into clinical course have led to increasing attention towards evaluation of their use for treatment of diseases, especially cancer. Osteosarcoma (OS) is one of the primary bone malignancies that affects both males and females in childhood and adolescence. Like other types of cancers, genetic and epigenetic mutations account for OS progression and several conventional therapies including chemotherapy and surgery are employed. However, survival rate of OS patients remains low and new therapies in this field are limited. The purpose of the current review is to provide a summary of nanostructures used in OS treatment. Drug and gene delivery by nanoplatforms have resulted in an accumulation of therapeutic agents for tumor cell suppression. Furthermore, co-delivery of genes and drugs by nanostructures are utilized in OS suppression to boost immunotherapy. Since tumor cells have distinct features such as acidic pH, stimuli-responsive nanoparticles have been developed to appropriately target OS. Besides, nanoplatforms can be used for biosensing and providing phototherapy to suppress OS. Furthermore, surface modification of nanoparticles with ligands can increase their specificity and selectivity towards OS cells. Clinical translation of current findings suggests that nanoplatforms have been effective in retarding tumor growth and improving survival of OS patients.
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Affiliation(s)
- Yao Jiang
- Department of Diagnostic and Interventional Radiology, University Hospital Frankfurt, Theodor-Stern-Kai 7, 60590, Frankfurt Am Main, Germany.
| | - Ke He
- Minimally Invasive Tumor Therapies Center, Guangdong Second Provincial General Hospital, Guangzhou, China.
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Guder WK, Hartmann W, Buhles C, Burdack M, Busch M, Dünker N, Hardes J, Dirksen U, Bauer S, Streitbürger A. 5-ALA-mediated fluorescence of musculoskeletal tumors in a chick chorio-allantoic membrane model: preclinical in vivo qualification analysis as a fluorescence-guided surgery agent in Orthopedic Oncology. J Orthop Surg Res 2022; 17:34. [PMID: 35033148 PMCID: PMC8761327 DOI: 10.1186/s13018-022-02931-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 01/07/2022] [Indexed: 12/03/2022] Open
Abstract
Background Fluorescence-guided surgery (FGS) with 5-aminolevulinic acid (5-ALA) and other contrast agents has shown its efficacy in improving resection margins, local recurrence and survival rates in several medical disciplines. It is the objective of this study to analyze the engraftment rate of musculoskeletal tumor specimens on the chick chorio-allantoic membrane (CAM), the rate of tumor fluorescence (PDD), and the effects of photodynamic therapy (PDT) after exposure of tumors to 5-ALA in an in vivo environment. Methods A total of 486 CAMs were inoculated with macroscopic tumor grafts (n = 26; n = 478 eggs) and primary cell culture suspensions (n = 2; n = 8 eggs) from 26 patients on day 10 of egg development. On day 16, 2 mg/200 µl 5-ALA were topically applied per egg. After 4 h of incubation, Protoporphyrin IX was excited using blue light (420 ± 10 nm). Tumor fluorescence (PDD) was photo-documented. A subgroup of specimens was additionally exposed to red light (635 nm ± 10 nm; PDT). After the termination of the experiment, CAM-grown tumors were histopathologically analyzed. Results Benign and borderline tumors (chondroblastoma, giant cell tumor of bone and atypical chondrogenic tumor) presented with high rates of detectable fluorescence. Comparable results were found for chondrosarcoma, osteosarcoma and Ewing’s sarcoma among bone and dedifferentiated liposarcoma, myxofibrosarcoma and undifferentiated pleomorphic sarcoma among soft tissue sarcomas. Overall, tumor fluorescence was negative for 20.2%, single-positive (+) for 46.9% and double-positive (++) for 32.9% of macroscopic xenografts, and negative in 20% and (+) in 80% of primary cell culture tumors. Macroscopic tumor xenografts (n = 478) were identified as viable in 14.8%, partially viable in 2.9% and partially to completely regressive in 45.2%. All (n = 8) tumors grown from primary cell culture were viable. After PDT, tumor samples were found viable in 5.5%, partially viable in 5.5% and partially to completely regressive in 68%. Egg survival increased with decreasing PDT doses. Conclusions The CAM model proves to be a suitable in vivo model for the investigation of short-term observation questions in musculoskeletal tumors. The findings of this study warrant further investigation of PDT effects on musculoskeletal tumors and a possible incorporation of 5-ALA FGS in clinical Orthopedic Oncology care.
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Affiliation(s)
- Wiebke K Guder
- Department of Orthopedic Oncology, University Hospital Essen, Hufelandstrasse 55, 45147, Essen, Germany.
| | - Wolfgang Hartmann
- Division of Translational Pathology, Gerhard-Domagk-Institute of Pathology, University Hospital Muenster, Albert-Schweitzer-Campus 1, Building D17, 48149, Muenster, Germany
| | - Clarissa Buhles
- Department of Orthopedic Oncology, University Hospital Essen, Hufelandstrasse 55, 45147, Essen, Germany
| | - Maike Burdack
- Department of Orthopedic Oncology, University Hospital Essen, Hufelandstrasse 55, 45147, Essen, Germany
| | - Maike Busch
- Department of Neuroanatomy, Institute for Anatomy II, University of Duisburg Essen, University Medicine Essen, Hufelandstrasse 55, 45147, Essen, Germany
| | - Nicole Dünker
- Department of Neuroanatomy, Institute for Anatomy II, University of Duisburg Essen, University Medicine Essen, Hufelandstrasse 55, 45147, Essen, Germany
| | - Jendrik Hardes
- Department of Orthopedic Oncology, University Hospital Essen, Hufelandstrasse 55, 45147, Essen, Germany
| | - Uta Dirksen
- Department of Pediatric Hematology and Oncology (III), University Hospital Essen, Hufelandstrasse 55, 45147, Essen, Germany
| | - Sebastian Bauer
- Sarcoma Center, West German Cancer Center, University Hospital Essen, Hufelandstrasse 55, 45147, Essen, Germany
| | - Arne Streitbürger
- Department of Orthopedic Oncology, University Hospital Essen, Hufelandstrasse 55, 45147, Essen, Germany
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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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Polat E, Kang K. Natural Photosensitizers in Antimicrobial Photodynamic Therapy. Biomedicines 2021; 9:584. [PMID: 34063973 PMCID: PMC8224061 DOI: 10.3390/biomedicines9060584] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/17/2021] [Accepted: 05/18/2021] [Indexed: 12/19/2022] Open
Abstract
Health problems and reduced treatment effectiveness due to antimicrobial resistance have become important global problems and are important factors that negatively affect life expectancy. Antimicrobial photodynamic therapy (APDT) is constantly evolving and can minimize this antimicrobial resistance problem. Reactive oxygen species produced when nontoxic photosensitizers are exposed to light are the main functional components of APDT responsible for microbial destruction; therefore, APDT has a broad spectrum of target pathogens, such as bacteria, fungi, and viruses. Various photosensitizers, including natural extracts, compounds, and their synthetic derivatives, are being investigated. The main limitations, such as weak antimicrobial activity against Gram-negative bacteria, solubility, specificity, and cost, encourage the exploration of new photosensitizer candidates. Many additional methods, such as cell surface engineering, cotreatment with membrane-damaging agents, nanotechnology, computational simulation, and sonodynamic therapy, are also being investigated to develop novel APDT methods with improved properties. In this review, we summarize APDT research, focusing on natural photosensitizers used in in vitro and in vivo experimental models. In addition, we describe the limitations observed for natural photosensitizers and the methods developed to counter those limitations with emerging technologies.
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Affiliation(s)
- Ece Polat
- Natural Product Informatics Research Center, Korea Institute of Science and Technology, Gangneung 25451, Gangwon-do, Korea;
| | - Kyungsu Kang
- Natural Product Informatics Research Center, Korea Institute of Science and Technology, Gangneung 25451, Gangwon-do, Korea;
- Division of Bio-Medical Science Technology, KIST School, University of Science and Technology (UST), Gangneung 25451, Gangwon-do, Korea
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Photobiomodulation and Antiviral Photodynamic Therapy in COVID-19 Management. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1318:517-547. [PMID: 33973198 DOI: 10.1007/978-3-030-63761-3_30] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Coronavirus disease 2019 (COVID-19) has shocked the world by its spread and contagiousness. There is no approved vaccine and no proven treatment for this infection. Some potential treatments that have already been associated with antiviral and anti-inflammatory effects are under investigation. Photobiomodulation therapy (PBMT) is a photon-based therapy that uses light to mediate a variety of metabolic, analgesic, anti-inflammatory, and immunomodulatory effects. Antiviral photodynamic therapy (aPDT) is a branch of photodynamic therapy based on the reaction between a photosensitizing agent and a light source in the presence of oxygen, which can produce oxidative and free radical agents to damage the viral structures such as proteins and nucleic acids. This chapter aims to discuss the potential therapeutic benefit of PBMT and aPDT in the context of the novel coronavirus. Studies indicate that PBMT and aPDT could be useful in many viral and bacterial pulmonary complications like influenza, SARS-CoV, and MERS, but we found no direct study on SARS-CoV-2. With a combination of PBMT and aPDT, we may be able to combat COVID-19 with minimal interference with pharmaceutical agents. It might improve the efficacy of PBMT and aPDT by using monoclonal antibodies and preparing new photosensitizers at the nanoscale that target the lung tissue specifically. More animal and human studies would need to take place to reach an effective protocol. This chapter would encourage other scientists to work on this new platform.
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Rytlewski JD, Scalora N, Garcia K, Tanas M, Toor F, Miller B, Allen B, Milhem M, Monga V. Photodynamic Therapy Using Hippo Pathway Inhibitor Verteporfin: A Potential Dual Mechanistic Approach in Treatment of Soft Tissue Sarcomas. Cancers (Basel) 2021; 13:cancers13040675. [PMID: 33567506 PMCID: PMC7915813 DOI: 10.3390/cancers13040675] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 02/02/2021] [Accepted: 02/05/2021] [Indexed: 12/30/2022] Open
Abstract
Simple Summary Advanced sarcomas have yet to undergo improved outcomes seen in other cancer subtypes. Verteporfin has the potential to show landmark change in sarcoma due to its anti-proliferative properties: inhibition of the Hippo pathway and as photodynamic therapy. The effect of verteporfin on the Hippo pathway is reviewed specifically in the setting of sarcoma due to increased activation of this pathway in multiple subtypes. Role and efficacy of photodynamic therapy in other malignancies is also reviewed, with additional discussion of preclinical studies demonstrating synergistic effects of photodynamic therapy within current sarcoma standard of care treatment. Future investigations of the feasibility of incorporating verteporfin into sarcoma treatment are discussed. Abstract Sarcoma is a widely varied and devastating oncological subtype, with overall five-year survival of 65% that drops to 16% with the presence of metastatic disease at diagnosis. Standard of care for localized sarcomas is predicated on local control with wide-local resection and radiation therapy, or, less commonly, chemotherapy, depending on tumor subtype. Verteporfin has the potential to be incorporated into this standard of care due to its unique molecular properties: inhibition of the upregulated Hippo pathway that frequently drives soft tissue sarcoma and photodynamic therapy-mediated necrosis due to oxidative damage. The initial anti-proliferative effect of verteporfin is mediated via binding and dissociation of YAP/TEAD proteins from the nucleus, ultimately leading to decreased cell proliferation as demonstrated in multiple in vitro studies. This effect has the potential to be compounded with use of photodynamic therapy to directly induce cellular necrosis with use of a clinical laser. Photodynamic therapy has been incorporated into multiple malignancies and has the potential to be incorporated into sarcoma treatment.
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Affiliation(s)
| | - Nicholas Scalora
- Department of Pathology, University of Iowa, Iowa City, IA 52242, USA; (N.S.); (K.G.); (M.T.)
| | - Keith Garcia
- Department of Pathology, University of Iowa, Iowa City, IA 52242, USA; (N.S.); (K.G.); (M.T.)
| | - Munir Tanas
- Department of Pathology, University of Iowa, Iowa City, IA 52242, USA; (N.S.); (K.G.); (M.T.)
| | - Fatima Toor
- Department of Electrical and Computer Engineering, University of Iowa Technology Institute, University of Iowa, Iowa City, IA 52242, USA;
| | - Benjamin Miller
- Department of Orthopedic Surgery, University of Iowa, Iowa City, IA 52242, USA;
| | - Bryan Allen
- Department of Radiation Oncology, University of Iowa, Iowa City, IA 52242, USA;
| | - Mohammed Milhem
- Division of Hematology, Oncology, and Blood & Marrow Transplant, Department of Internal Medicine, University of Iowa, Iowa City, IA 52242, USA;
| | - Varun Monga
- Division of Hematology, Oncology, and Blood & Marrow Transplant, Department of Internal Medicine, University of Iowa, Iowa City, IA 52242, USA;
- Correspondence: ; Tel.: +1-3-193-849-497
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Gonul I, Demirbag B, Ocakoglu K, Ayaz F. Unique photodynamic antimicrobial Schiff bases and their copper complexes exert immunomodulatory activity on mammalian macrophages. J COORD CHEM 2020. [DOI: 10.1080/00958972.2020.1836362] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Ilyas Gonul
- Department of Chemistry, Faculty of Arts and Science, Cukurova University, Adana, Turkey
| | - Burcu Demirbag
- Department of Biotechnology, Faculty of Arts and Science, Mersin University, Mersin, Turkey
| | - Kasim Ocakoglu
- Department of Energy Systems Engineering, Faculty of Technology, Tarsus University, Tarsus, Turkey
| | - Furkan Ayaz
- Department of Biotechnology, Faculty of Arts and Science, Mersin University, Mersin, Turkey
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Differential Immunomodulatory Activities of Schiff Base Complexes Depending on their Metal Conjugation. Inflammation 2020; 42:1878-1885. [PMID: 31267275 DOI: 10.1007/s10753-019-01050-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Immunomodulatory compounds have become crucial with advances in immunotherapy. Using our own immune system cells, we can direct the immune cell function and develop desired response against a certain threat. Immunotherapy applications have been suggested against tumors, autoimmune disorders, and infectious diseases. Vaccination can be considered as one of the best known example of immunotherapy. Infectious agent's signature molecular structures are introduced to the immune cells together with the adjuvants that further activate the immune cells to mount a proper immune response and memory. Immunotherapy and vaccine formulations are in constant need of a library of immunomodulatory reagents that can be applied depending on the target. In order to expand the number of immunomodulatory reagents that can find medicinal applications, our group has been testing unique chemical structures on the immune system cells, especially macrophages. Schiff base complexes are known for their anti-inflammatory and antimicrobial activities. In this study, we used previously characterized Schiff base complexes with different metal conjugations. These molecules had differential immunostimulatory and immunomodulatory potentials on macrophages in vitro depending on the type of the conjugated metal. After light exposure, these complexes changed their characteristics and became powerful anti-inflammatory complexes. Due to their possible antimicrobial potentials, we also tested their activities against gram negative and gram positive bacteria. All of the complexes exerted antimicrobial activities which were not light responsive. Here, we present Schiff base complexes with differential immunostimulatory and immunomodulatory activities that can also efficiently eliminate gram positive and gram negative bacteria. Upon photo activation, they block the production of inflammatory TNFα cytokine. Therefore, together with the light, they can be used to treat bacterial infections associated with damaging inflammation. Graphical Abstract.
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Ayaz F, Ocakoglu K. Differential effects of aminochlorin derivatives on the phagocytic and inflammatory potentials of mammalian macrophages. Eur J Pharmacol 2020; 873:172980. [PMID: 32032600 DOI: 10.1016/j.ejphar.2020.172980] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 01/29/2020] [Accepted: 01/30/2020] [Indexed: 12/13/2022]
Abstract
Chlorin derivatives have been known for their biological activities. Especially due to their advanced electron transfer capacity they have been used as photodynamic therapy agent both at clinical and laboratory scales. Photodynamic therapy (PDT) against cancer or an infectious disease aims the development of less side effect on the patient since the activation of the inert drug molecule will start only after the light treatment. In order to increase our library of photodynamic therapy agents, we generated a set of chlorin derivatives and tested their PDT potential on the immune system cells; macrophages. Macrophages are known for their primary role as an inflammatory cell type that have been found in the inflamed tissues of the patients with autoimmune and inflammatory disorders as well as in the tumor environment as tumor associated macrophages. Our derivatives had anti-inflammatory PDT potential in the presence of a danger mimic but they lacked immunostimulatory effect. Moreover, these cells' ability to eliminate an infectious agent or present the danger molecules to the other immune cells were tested by phagocytosis assay in the presence of our compounds. Chlorin derivatives were able to differentially regulate the phagocytic activity of the mammalian macrophages.
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Affiliation(s)
- Furkan Ayaz
- Department of Biotechnology, Faculty of Arts and Science, Mersin University, Mersin, 33110, Turkey.
| | - Kasim Ocakoglu
- Department of Energy Systems Engineering, Faculty of Technology, Tarsus University, 33400, Tarsus, Turkey.
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Sun L, Jiao X, Liu W, Wang Y, Cao Y, Bao SJ, Xu Z, Kang Y, Xue P. Novel Oxygen-Deficient Zirconia (ZrO 2-x) for Fluorescence/Photoacoustic Imaging-Guided Photothermal/Photodynamic Therapy for Cancer. ACS APPLIED MATERIALS & INTERFACES 2019; 11:41127-41139. [PMID: 31610123 DOI: 10.1021/acsami.9b16604] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Theranostic nanoplatforms that integrate therapy and diagnosis in a single composite have become increasingly attractive in the field of precise and efficient tumor treatment. Herein, a novel oxygen-deficient zirconia (ZrO2-x) nanosystem based on the conjugation of thiol-polyethylene glycol-amine (SH-PEG-NH2) and chlorin e6 (Ce6) was elaborately designed and established for efficacious photothermal/photodynamic therapy (PTT/PDT) and fluorescence/photoacoustic (FL/PA) bimodal imaging for the first time. The crystalline-disordered, PEGylated ZrO2-x nanoparticles (ZP NPs) displayed strong optical absorption in the near-infrared (NIR) window and were featured with significant photothermal conversion capacity. The ZP NPs were further covalently conjugated with Ce6 to form ZrO2-x@PEG/Ce6 (ZPC) NPs, which displayed a long circulatory half-life, efficient tumor accumulation, and outstanding FL/PA imaging performance. Moreover, the nanocomposites effectively generated cytotoxic intracellular reactive oxygen species (ROS) responsive to laser activation. Both cell studies and animal experiments explicitly demonstrated that ZPC NPs mediated remarkable tumor ablation with minimal systemic toxicity thanks to their tumor-specific PTT/PDT effect. Collectively, these findings may open up new avenues to broaden the application of oxygen-deficient ZrO2-x nanostructures as high-performance photothermal agents in tumor theranostics through rational design and accurate control of their physiochemical properties.
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Affiliation(s)
- Lihong Sun
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, School of Materials and Energy , Southwest University , Chongqing 400715 , China
- Chongqing Engineering Research Center for Micro-Nano Biomedical Materials and Devices , Southwest University , Chongqing 400715 , China
| | - Xiaodan Jiao
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, School of Materials and Energy , Southwest University , Chongqing 400715 , China
- Chongqing Engineering Research Center for Micro-Nano Biomedical Materials and Devices , Southwest University , Chongqing 400715 , China
| | - Weiwei Liu
- Chongqing Key Laboratory of Ultrasound Molecular Imaging, Institute of Ultrasound Imaging, Second Affiliated Hospital , Chongqing Medical University , Chongqing 400010 , China
| | - Ying Wang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, School of Materials and Energy , Southwest University , Chongqing 400715 , China
| | - Yang Cao
- Chongqing Key Laboratory of Ultrasound Molecular Imaging, Institute of Ultrasound Imaging, Second Affiliated Hospital , Chongqing Medical University , Chongqing 400010 , China
| | - Shu-Juan Bao
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, School of Materials and Energy , Southwest University , Chongqing 400715 , China
| | - Zhigang Xu
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, School of Materials and Energy , Southwest University , Chongqing 400715 , China
- Chongqing Engineering Research Center for Micro-Nano Biomedical Materials and Devices , Southwest University , Chongqing 400715 , China
| | - Yuejun Kang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, School of Materials and Energy , Southwest University , Chongqing 400715 , China
- Chongqing Engineering Research Center for Micro-Nano Biomedical Materials and Devices , Southwest University , Chongqing 400715 , China
| | - Peng Xue
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, School of Materials and Energy , Southwest University , Chongqing 400715 , China
- Chongqing Engineering Research Center for Micro-Nano Biomedical Materials and Devices , Southwest University , Chongqing 400715 , China
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Carina V, Costa V, Sartori M, Bellavia D, De Luca A, Raimondi L, Fini M, Giavaresi G. Adjuvant Biophysical Therapies in Osteosarcoma. Cancers (Basel) 2019; 11:cancers11030348. [PMID: 30871044 PMCID: PMC6468347 DOI: 10.3390/cancers11030348] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 02/28/2019] [Accepted: 03/08/2019] [Indexed: 12/22/2022] Open
Abstract
Osteosarcoma (OS) is a primary bone sarcoma, manifesting as osteogenesis by malignant cells. Nowadays, patients’ quality of life has been improved, however continuing high rates of limb amputation, pulmonary metastasis and drug toxicity, remain unresolved issues. Thus, effective osteosarcoma therapies are still required. Recently, the potentialities of biophysical treatments in osteosarcoma have been evaluated and seem to offer a promising future, thanks in this field as they are less invasive. Several approaches have been investigated such as hyperthermia (HT), high intensity focused ultrasound (HIFU), low intensity pulsed ultrasound (LIPUS) and sono- and photodynamic therapies (SDT, PDT). This review aims to summarize in vitro and in vivo studies and clinical trials employing biophysical stimuli in osteosarcoma treatment. The findings underscore how the technological development of biophysical therapies might represent an adjuvant role and, in some cases, alternative role to the surgery, radio and chemotherapy treatment of OS. Among them, the most promising are HIFU and HT, which are already employed in OS patient treatment, while LIPUS/SDT and PDT seem to be particularly interesting for their low toxicity.
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Affiliation(s)
- Valeria Carina
- IRCCS-Istituto Ortopedico Rizzoli, via Di Barbiano 1/10, 40136 Bologna, Italy.
| | - Viviana Costa
- IRCCS-Istituto Ortopedico Rizzoli, via Di Barbiano 1/10, 40136 Bologna, Italy.
| | - Maria Sartori
- IRCCS-Istituto Ortopedico Rizzoli, via Di Barbiano 1/10, 40136 Bologna, Italy.
| | - Daniele Bellavia
- IRCCS-Istituto Ortopedico Rizzoli, via Di Barbiano 1/10, 40136 Bologna, Italy.
| | - Angela De Luca
- IRCCS-Istituto Ortopedico Rizzoli, via Di Barbiano 1/10, 40136 Bologna, Italy.
| | - Lavinia Raimondi
- IRCCS-Istituto Ortopedico Rizzoli, via Di Barbiano 1/10, 40136 Bologna, Italy.
| | - Milena Fini
- IRCCS-Istituto Ortopedico Rizzoli, via Di Barbiano 1/10, 40136 Bologna, Italy.
| | - Gianluca Giavaresi
- IRCCS-Istituto Ortopedico Rizzoli, via Di Barbiano 1/10, 40136 Bologna, Italy.
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Ayaz F, Ugur N, Ocakoglu K, Ince M. Photo-induced anti-inflammatory activities of chloro substituted subphthalocyanines on the mammalian macrophage in vitro. Photodiagnosis Photodyn Ther 2019; 25:499-503. [DOI: 10.1016/j.pdpdt.2019.02.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 01/29/2019] [Accepted: 02/01/2019] [Indexed: 12/12/2022]
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Ouyang Z, Wang S, Zeng M, Li Z, Zhang Q, Wang W, Liu T. Therapeutic effect of palbociclib in chondrosarcoma: implication of cyclin-dependent kinase 4 as a potential target. Cell Commun Signal 2019; 17:17. [PMID: 30808351 PMCID: PMC6390580 DOI: 10.1186/s12964-019-0327-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Accepted: 02/12/2019] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Chondrosarcoma is a malignant cartilaginous neoplasm of the bone which resistant to radiation therapy and chemotherapy. Cyclin-dependent kinase 4 (CKD4) is highly expressed in human cancer, and palbociclib, the inhibitor of CDK4 has been used clinically under FDA approval for application in cancer therapeutic remedies. However, the level of CDK4 and the treatment possibility in chondrosarcoma require further exploration. Thus, we aim to investigate the level of CDK4 and accompanying therapeutic effects of palbociclib in chondrosarcoma. METHODS We used immunohistochemistric analysis to evaluate human CDK4 productions in chondrosarcoma tissues. The inhibitory expression of CDK4 by siRNA or palbociclib on cell proliferation, invasion, migration, apoptosis and cycle arrest of chondrosarcoma were determined by MTT, wound healing, transwell and flow cytometry. CDK4/Rb signaling pathway were determined by western blot and Immunofluorescence assay. The inhibition effect of palbociclib on tumor growth within the bone were determined by bioluminescence imaging in vivo. RESULTS CDK4 was found to express significantly in human chondrosarcoma samples. The enhanced levels of CDK4 were interlinked with malignant metastasis and undesirable prognosis of chondrosarcoma patients. CDK4 was also highly expressed in human chondrosarcoma cell lines and its inhibition by specific siRNA and palbociclib lead to a decrease in cell proliferation, accompanied by the phosphorylation of Rb. Furthermore, palbociclib also induced cell cycle arrest in G1 phase and decreased cell migration and invasion via CDK4/Rb signaling pathway. Administration of palbociclib in vivo could reduce tumor burden in chondrosarcoma. CONCLUSIONS In summary, these data highlight CDK4 inhibitors, such as palbociclib, as potential promising therapeutics in the treatment of human chondrosarcoma.
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Affiliation(s)
- Zhengxiao Ouyang
- 0000 0001 0379 7164grid.216417.7Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Sisi Wang
- 0000 0001 0379 7164grid.216417.7Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Ming Zeng
- 0000 0001 0379 7164grid.216417.7Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Zhihong Li
- 0000 0001 0379 7164grid.216417.7Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Qing Zhang
- 0000 0001 0379 7164grid.216417.7Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Wanchun Wang
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China.
| | - Tang Liu
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China.
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Tang Y, Liu Y, Wang S, Tian Y, Li Y, Teng Z, Lu G. Depletion of collagen by losartan to improve tumor accumulation and therapeutic efficacy of photodynamic nanoplatforms. Drug Deliv Transl Res 2019; 9:615-624. [DOI: 10.1007/s13346-018-00610-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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16
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Liu K, Yao H, Wen Y, Zhao H, Zhou N, Lei S, Xiong L. Functional role of a long non-coding RNA LIFR-AS1/miR-29a/TNFAIP3 axis in colorectal cancer resistance to pohotodynamic therapy. Biochim Biophys Acta Mol Basis Dis 2018; 1864:2871-2880. [DOI: 10.1016/j.bbadis.2018.05.020] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 05/04/2018] [Accepted: 05/24/2018] [Indexed: 02/07/2023]
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17
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Osaki T, Kawase Y, Iseki H, Kishimoto S, Ikuta S, Muragaki Y, Yamashita M, Azuma K, Murahata Y, Tsuka T, Itoh N, Imagawa T, Okamoto Y. Effects of photodynamic therapy with talaporfin sodium on squamous cell carcinoma and sarcoma cells. Photodiagnosis Photodyn Ther 2017; 18:213-220. [DOI: 10.1016/j.pdpdt.2017.02.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Revised: 02/05/2017] [Accepted: 02/10/2017] [Indexed: 12/27/2022]
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18
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Meier D, Botter SM, Campanile C, Robl B, Gräfe S, Pellegrini G, Born W, Fuchs B. Foscan and foslip based photodynamic therapy in osteosarcoma in vitro and in intratibial mouse models. Int J Cancer 2017; 140:1680-1692. [PMID: 27943293 DOI: 10.1002/ijc.30572] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Revised: 10/28/2016] [Accepted: 11/24/2016] [Indexed: 12/14/2022]
Abstract
Current osteosarcoma therapies cause severe treatment-related side effects and chemoresistance, and have low success rates. Consequently, alternative treatment options are urgently needed. Photodynamic therapy (PDT) is a minimally invasive, local therapy with proven clinical efficacy for a variety of tumor types. PDT is cytotoxic, provokes anti-vascular effects and stimulates tumor cell targeting mechanisms of the immune system and, consequently, has potential as a novel therapy for osteosarcoma patients. This study investigated the uptake and the dark- and phototoxicity and cytotoxic mechanisms of the photosensitizer (PS) 5,10,15,20-tetrakis(meta-hydroxyphenyl) chlorine (mTHPC, Foscan) and a liposomal mTHPC formulation (Foslip) in the human 143B and a mouse K7M2-derived osteosaroma cell line (K7M2L2) in vitro. Second, the tumor- and metastasis-suppressive efficacies of mTHPC formulations based PDT and associated mechanisms in intratibial, metastasizing osteosarcoma mouse models (143B/SCID and syngeneic K7M2L2/BALB/c) were studied. The uptake of Foscan and Foslip in vitro was time- and dose-dependent and resulted in mTHPC and light dose-dependent phototoxicity associated with apoptosis. In vivo, the uptake of both i.v. administered mTHPC formulations was higher in tumor than in healthy control tissue. PDT caused significant (Foscan p < 0.05, Foslip p < 0.001) tumor growth inhibition in both models. A significant (Foscan p < 0.001, Foslip p < 0.001) immune system-dependent suppression of lung metastasis was only observed in the K7M2L2/BALB/c model and was associated with a marked infiltration of T-lymphocytes at the primary tumor site. In conclusion, mTHPC-based PDT is effective in clinically relevant experimental osteosarcoma and suppresses lung metastasis in immunocompetent mice with beneficial effects of the liposomal mTHPC formulation Foslip.
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Affiliation(s)
- Daniela Meier
- Laboratory for Orthopedic Research, Department of Orthopedics, Balgrist University Hospital, Zurich, Switzerland
| | - Sander M Botter
- Laboratory for Orthopedic Research, Department of Orthopedics, Balgrist University Hospital, Zurich, Switzerland
| | - Carmen Campanile
- Laboratory for Orthopedic Research, Department of Orthopedics, Balgrist University Hospital, Zurich, Switzerland
| | - Bernhard Robl
- Laboratory for Orthopedic Research, Department of Orthopedics, Balgrist University Hospital, Zurich, Switzerland
| | - Susanna Gräfe
- Biolitec Research GmbH, Otto-Schott-Straße 15, Jena, Germany
| | - Giovanni Pellegrini
- Laboratory for Animal Model Pathology, Institute of Veterinary Pathology, University of Zurich, Zurich, Switzerland
| | - Walter Born
- Laboratory for Orthopedic Research, Department of Orthopedics, Balgrist University Hospital, Zurich, Switzerland
| | - Bruno Fuchs
- Laboratory for Orthopedic Research, Department of Orthopedics, Balgrist University Hospital, Zurich, Switzerland
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Foglietta F, Duchi S, Canaparo R, Varchi G, Lucarelli E, Dozza B, Serpe L. Selective sensitiveness of mesenchymal stem cells to shock waves leads to anticancer effect in human cancer cell co-cultures. Life Sci 2017; 173:28-35. [PMID: 28131762 DOI: 10.1016/j.lfs.2017.01.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Revised: 01/13/2017] [Accepted: 01/24/2017] [Indexed: 12/13/2022]
Abstract
AIM Mesenchymal stem cells (MSC) possess the distinctive feature of homing in on and engrafting into the tumor stroma making their therapeutic applications in cancer treatment very promising. Research into new effectors and external stimuli, which can selectively trigger the release of cytotoxic species from MSC toward the cancer cells, significantly raises their potential. MAIN METHODS Shock waves (SW) have recently gained recognition for their ability to induce specific biological effects, such as the local generation of cytotoxic reactive oxygen species (ROS) in a non-invasive and tunable manner. We thus investigate whether MSC are able to generate ROS and, in turn, affect cancer cell growth when in co-culture with human glioblastoma (U87) or osteosarcoma (U2OS) cells and exposed to SW. KEY FINDINGS MSC were found to be the cell line that was most sensitive to SW treatment as shown by SW-induced ROS production and cytotoxicity. Notably, U87 and U2OS cancer cell growth was unaffected by SW exposure. However, significant decreases in cancer cell growth, 1.8 fold for U87 and 2.3 fold for U2OS, were observed 24h after the SW treatment of MSC co-cultures with cancer cells. The ROS production induced in MSC by SW exposure was then responsible for lipid peroxidation and cell death in U87 and U2OS cells co-cultured with MSC. SIGNIFICANCE This experiment highlights the unique ability of MSC to generate ROS upon SW treatment and induce the cell death of co-cultured cancer cells. SW might therefore be proposed as an innovative tool for MSC-mediated cancer treatment.
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Affiliation(s)
| | - Serena Duchi
- Osteoarticular Regeneration Laboratory, Rizzoli Orthopaedic Institute, Bologna, Italy
| | - Roberto Canaparo
- Department of Drug Science and Technology, University of Torino, Italy.
| | - Greta Varchi
- National Research Council, Institute for the Organic Synthesis and Photoreactivity, Bologna, Italy
| | - Enrico Lucarelli
- Osteoarticular Regeneration Laboratory, Rizzoli Orthopaedic Institute, Bologna, Italy
| | - Barbara Dozza
- Osteoarticular Regeneration Laboratory, Rizzoli Orthopaedic Institute, Bologna, Italy; Department of Biomedical and Neuromotor Sciences (DIBINEM), University of Bologna, Italy
| | - Loredana Serpe
- Department of Drug Science and Technology, University of Torino, Italy
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He J, Yang L, Yi W, Fan W, Wen Y, Miao X, Xiong L. Combination of Fluorescence-Guided Surgery With Photodynamic Therapy for the Treatment of Cancer. Mol Imaging 2017; 16:1536012117722911. [PMID: 28849712 PMCID: PMC5580848 DOI: 10.1177/1536012117722911] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 03/07/2017] [Accepted: 06/28/2017] [Indexed: 12/12/2022] Open
Abstract
Specific visualization of body parts is needed during surgery. Fluorescence-guided surgery (FGS) uses a fluorescence contrast agent for in vivo tumor imaging to detect and identify both malignant and normal tissues. There are several advantages and clinical benefits of FGS over other conventional medical imaging modalities, such as its safety, effectiveness, and suitability for real-time imaging in the operating room. Recent advancements in contrast agents and intraoperative fluorescence imaging devices have led to a greater potential for intraoperative fluorescence imaging in clinical applications. Photodynamic therapy (PDT) is an alternative modality to treat tumors, which uses a light-sensitive drug (photosensitizers) and special light to destroy the targeted tissues. In this review, we discuss the fluorescent contrast agents, some newly developed imaging devices, and the successful clinical application of FGS. Additionally, we present the combined strategy of FGS with PDT to further improve the therapeutic effect for patients with cancer. Taken together, this review provides a unique perspective and summarization of FGS.
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Affiliation(s)
- Jun He
- General Surgery Department, Second Xiangya Hospital, Central South University, Changsha, China
| | - Leping Yang
- General Surgery Department, Second Xiangya Hospital, Central South University, Changsha, China
| | - Wenjun Yi
- General Surgery Department, Second Xiangya Hospital, Central South University, Changsha, China
| | - Wentao Fan
- General Surgery Department, Second Xiangya Hospital, Central South University, Changsha, China
| | - Yu Wen
- General Surgery Department, Second Xiangya Hospital, Central South University, Changsha, China
| | - Xiongying Miao
- General Surgery Department, Second Xiangya Hospital, Central South University, Changsha, China
| | - Li Xiong
- General Surgery Department, Second Xiangya Hospital, Central South University, Changsha, China
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21
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Duchi S, Ramos-Romero S, Dozza B, Guerra-Rebollo M, Cattini L, Ballestri M, Dambruoso P, Guerrini A, Sotgiu G, Varchi G, Lucarelli E, Blanco J. Development of near-infrared photoactivable phthalocyanine-loaded nanoparticles to kill tumor cells: An improved tool for photodynamic therapy of solid cancers. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2016; 12:1885-1897. [DOI: 10.1016/j.nano.2016.04.014] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2015] [Revised: 04/15/2016] [Accepted: 04/22/2016] [Indexed: 01/28/2023]
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White B, Rossi V, Baugher PJ. Aminolevulinic Acid-Mediated Photodynamic Therapy Causes Cell Death in MG-63 Human Osteosarcoma Cells. Photomed Laser Surg 2016; 34:400-5. [PMID: 27500317 DOI: 10.1089/pho.2016.4091] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
OBJECTIVE The aim of this study was to test the efficacy of aminolevulinic acid-mediated photodynamic therapy (PDT) against the human osteosarcoma cell line MG-63. BACKGROUND DATA Osteosarcoma is the most common type of primary malignant bone tumor diagnosed in the United States among adolescents and children. Treatments for osteosarcoma often result in diminished limb use or amputation. Because ALA-mediated PDT exhibits dual specificity in the context of tumor killing, this therapy could represent a less invasive, but effective, treatment for this disease. MATERIALS AND METHODS To assess ALA dark toxicity in MG-63 cells, cells were incubated with varying concentrations of ALA, and cell viability was determined by crystal violet assay. Protoporphyrin IX (PpIX) accumulation was assessed subsequent to ALA incubation at various concentrations using spectrofluorometry. Cell death subsequent to ALA-PDT was determined by illuminating cells at a wavelength of 635 nm at various light intensities subsequent to ALA incubation. Cell viability was assessed using the MTT assay. RESULTS ALA dark toxicity was observed only at the highest concentrations of 2, 5, and 10 mM. Maximal PpIX concentration was observed at 0.5 and 1 mM ALA, subsequent to a 24-h incubation. Maximal cell death with minimal light toxicity was observed at 0.5 and 1 mM ALA after illumination with 0.6 and 3 J/cm(2) light. CONCLUSIONS Collectively, our data indicate that ALA-PDT can result in the death of MG-64 human osteosarcoma cells in vitro.
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Affiliation(s)
- Bradley White
- 1 Department of Biology, School of Natural Sciences, College of Arts and Sciences, Pacific University , Forest Grove, Oregon
| | - Vince Rossi
- 2 Department of Physics, School of Natural Sciences, College of Arts and Sciences, Pacific University , Forest Grove, Oregon
| | - Paige J Baugher
- 1 Department of Biology, School of Natural Sciences, College of Arts and Sciences, Pacific University , Forest Grove, Oregon
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23
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Aluigi A, Sotgiu G, Ferroni C, Duchi S, Lucarelli E, Martini C, Posati T, Guerrini A, Ballestri M, Corticelli F, Varchi G. Chlorin e6 keratin nanoparticles for photodynamic anticancer therapy. RSC Adv 2016. [DOI: 10.1039/c6ra04208b] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Chlorin e6-conjugated keratin nanoparticles were obtained and their effectiveness as carriers for cancer photodynamic therapy was demonstratedin vitro.
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Affiliation(s)
- A. Aluigi
- Institute of Organic Synthesis and Photoreactivity – Italian National Research Council
- 40129 Bologna
- Italy
| | - G. Sotgiu
- Institute of Organic Synthesis and Photoreactivity – Italian National Research Council
- 40129 Bologna
- Italy
| | - C. Ferroni
- Institute of Organic Synthesis and Photoreactivity – Italian National Research Council
- 40129 Bologna
- Italy
| | - S. Duchi
- Osteoarticular Regeneration Laboratory
- Rizzoli Orthopaedic Institute
- 40136 Bologna
- Italy
| | - E. Lucarelli
- Osteoarticular Regeneration Laboratory
- Rizzoli Orthopaedic Institute
- 40136 Bologna
- Italy
| | - C. Martini
- Institute of Organic Synthesis and Photoreactivity – Italian National Research Council
- 40129 Bologna
- Italy
| | - T. Posati
- Institute of Organic Synthesis and Photoreactivity – Italian National Research Council
- 40129 Bologna
- Italy
| | - A. Guerrini
- Institute of Organic Synthesis and Photoreactivity – Italian National Research Council
- 40129 Bologna
- Italy
| | - M. Ballestri
- Institute of Organic Synthesis and Photoreactivity – Italian National Research Council
- 40129 Bologna
- Italy
| | - F. Corticelli
- Institute for Microelectronics and Microsystems
- National Research Council
- 40129 Bologna
- Italy
| | - G. Varchi
- Institute of Organic Synthesis and Photoreactivity – Italian National Research Council
- 40129 Bologna
- Italy
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