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Ajuwon OR, Nsole-Biteghe FA, Ndong JD, Davids LM, Ajiboye BO, Brai B, Bamisaye FA, Falode JA, Odoh IM, Adegbite KI, Adegoke BO, Ntwasa M, Lebelo SL, Ayeleso AO. Nrf2-Mediated Antioxidant Response and Drug Efflux Transporters Upregulation as Possible Mechanisms of Resistance in Photodynamic Therapy of Cancers. Onco Targets Ther 2024; 17:605-627. [PMID: 39131905 PMCID: PMC11313505 DOI: 10.2147/ott.s457749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 05/08/2024] [Indexed: 08/13/2024] Open
Abstract
Photodynamic therapy (PDT) is a groundbreaking approach involving the induction of cytotoxic reactive oxygen species (ROS) within tumors through visible light activation of photosensitizers (PS) in the presence of molecular oxygen. This innovative therapy has demonstrated success in treating various cancers. While PDT proves highly effective in most solid tumors, there are indications that certain cancers exhibit resistance, and some initially responsive cancers may develop intrinsic or acquired resistance to PDT. The molecular mechanisms underlying this resistance are not fully understood. Recent evidence suggests that, akin to other traditional cancer treatments, the activation of survival pathways, such as the KEAP1/Nrf2 signaling pathway, is emerging as an important mechanism of post-PDT resistance in many cancers. This article explores the dual role of Nrf2, highlighting evidence linking aberrant Nrf2 expression to treatment resistance across a range of cancers. Additionally, it delves into the specific role of Nrf2 in the context of photodynamic therapy for cancers, emphasizing evidence that suggests Nrf2-mediated upregulation of antioxidant responses and induction of drug efflux transporters are potential mechanisms of resistance to PDT in diverse cancer types. Therefore, understanding the specific role(s) of Nrf2 in PDT resistance may pave the way for the development of more effective cancer treatments using PDT.
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Affiliation(s)
| | | | | | | | | | - Bartholomew Brai
- Department of Biochemistry, Federal University, Oye-Ekiti, Ekiti State, Nigeria
| | | | - John Adeolu Falode
- Department of Biochemistry, Federal University, Oye-Ekiti, Ekiti State, Nigeria
| | - Ikenna Maximillian Odoh
- Department of Biochemistry, Federal University, Oye-Ekiti, Ekiti State, Nigeria
- Medical Center, Federal University, Oye-Ekiti, Ekiti-State, Nigeria
| | - Kabirat Iyabode Adegbite
- Department of Environmental Health Science, College of Basic Medical and Health Sciences, Fountain University, Osogbo, Osun State, Nigeria
| | | | - Monde Ntwasa
- Department of Life and Consumer Sciences, University of South Africa, Florida Park 1709, Roodeport, South Africa
| | - Sogolo Lucky Lebelo
- Department of Life and Consumer Sciences, University of South Africa, Florida Park 1709, Roodeport, South Africa
| | - Ademola Olabode Ayeleso
- Department of Life and Consumer Sciences, University of South Africa, Florida Park 1709, Roodeport, South Africa
- Biochemistry Programme, Bowen University, Iwo, Osun State, Nigeria
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2
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Adnane F, Soliman SMA, ElZayat E, Abdelsalam EM, Fahmy HM. Evaluation of chlorophyll-loaded mesoporous silica nanoparticles for photodynamic therapy on cancer cell lines. Lasers Med Sci 2024; 39:45. [PMID: 38253944 PMCID: PMC10803611 DOI: 10.1007/s10103-024-03988-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 01/05/2024] [Indexed: 01/24/2024]
Abstract
Chlorophyll (Chl) is a promising natural photosensitizer (PS) in photodynamic treatment (PDT). Mesoporous silica nanoparticles (MSNs) were chosen to increase the effectiveness of PDT. This study aimed to evaluate the synergistic efficacy of chlorophyll-loaded mesoporous silica nanoparticles (Chl-MSNs) with photodynamic therapy (PDT) and to investigate their potential toxicity in HepG2, MDA-MB-231, and HSF cell lines. Chl-MSNs were prepared via the physical adsorption method. TEM, DLS, and zeta potential examined morphology, size, and surface characteristics. MSNs and Chl-MSNs were characterized using the same techniques. HPLC was used to assess the encapsulation efficiency. At pH 7.4, an in vitro release experiment of Chl-MSNs was performed. Chl, MSNs, and Chl-MSNs were applied to the three cell lines at different concentrations and subjected to red (650 nm) and blue (450-500 nm) lasers. MSNs and Chl-MSNs' sizes were 90.338 ± 38.49 nm and 123.84 ± 15.67 nm, respectively, as obtained by TEM; the hydrodynamic diameter for MSNs (93.69 ± 20.53 nm) and Chl-MSNs (212.95 ± 19.76 nm); and their zeta potential values are - 16.7 ± 2.19 mV and - 18.84 ± 1.40 mV. The encapsulation efficiency of Chl-MSNs was 70%. Chl-MSNs displayed no toxicity in dark conditions but showed excellent photostability under blue and red light exposure. Furthermore, using Chl over Chl-MSNs has a higher PDT efficiency than the tested cell lines. Chl-MSNs have the potential to be an effective delivery system. PDT proved to be an essential technique for cancer treatment. Blue laser is recommended over red laser with Chl and MSNs for destroying cancer cells.
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Affiliation(s)
- Fadya Adnane
- Biotechnology Department, Faculty of Science, Cairo University, Cairo, Egypt.
| | | | - Emad ElZayat
- Biotechnology Department, Faculty of Science, Cairo University, Cairo, Egypt
| | - Essam M Abdelsalam
- Laser Applications in Metrology, Photochemistry, and Agriculture (LAMPA) Department, National Institute of Laser Enhanced Sciences (NILES), Cairo University, Cairo, Egypt
| | - Heba Mohamed Fahmy
- Biophysics Department, Faculty of Science, Cairo University, Cairo, Egypt
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3
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Gaballo A, Ragusa A, Nobile C, Gallo N, Salvatore L, Piccirillo C, Nito A, Caputo A, Guida G, Zito A, Filotico R, Quarta A. Enhanced Delivery of 5-Aminolevulinic Acid by Lecithin Invasomes in 3D Melanoma Cancer Model. Mol Pharm 2023; 20:5593-5606. [PMID: 37755323 PMCID: PMC10630953 DOI: 10.1021/acs.molpharmaceut.3c00494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 09/11/2023] [Accepted: 09/12/2023] [Indexed: 09/28/2023]
Abstract
Photodynamic therapy (PDT) is a noninvasive therapeutic approach for the treatment of skin cancer and diseases. 5-Aminolevulinic acid is a prodrug clinically approved for PDT. Once internalized by cancer cells, it is rapidly metabolized to the photosensitizer protoporphyrin IX, which under the proper light irradiation, stimulates the deleterious reactive oxygen species (ROS) production and leads to cell death. The high hydrophilicity of 5-aminolevulinic acid limits its capability to cross the epidermis. Lipophilic derivatives of 5-aminolevulinic acid only partly improved skin penetration, thus making its incorporation into nanocarriers necessary. Here we have developed and characterized 5-aminolevulinic acid loaded invasomes made of egg lecithin, either 1,2-dilauroyl-sn-glycero-3-phosphocholine or 1,2-dioleoyl-sn-glycero-3-phosphocholine, and the terpene limonene. The obtained invasomes are highly thermostable and display a spherical morphology with an average size of 150 nm and an encapsulation efficiency of 80%; moreover, the ex vivo epidermis diffusion tests established that nanovesicles containing the terpene led to a much higher skin penetration (up to 80% in 3 h) compared to those without limonene and to the free fluorescent tracer (less than 50%). Finally, in vitro studies with 2D and 3D human cell models of melanoma proved the biocompatibility of invasomes, the enhanced intracellular transport of 5-aminolevulinic acid, its ability to generate ROS upon irradiation, and consequently, its antiproliferative effect. A simplified scaffold-based 3D skin model containing melanoma spheroids was also prepared. Considering the results obtained, we conclude that the lecithin invasomes loaded with 5-aminolevulinic acid have a good therapeutic potential and may represent an efficient tool that can be considered a valid alternative in the topical treatment of melanoma and other skin diseases.
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Affiliation(s)
- Antonio Gaballo
- Consiglio
Nazionale delle Ricerche, Institute of Nanotechnology, via Monteroni, Lecce, 73100, Italy
| | - Andrea Ragusa
- Department
of Biological and Environmental Sciences and Technologies, University of Salento, via Monteroni, Lecce, 73100, Italy
| | - Concetta Nobile
- Consiglio
Nazionale delle Ricerche, Institute of Nanotechnology, via Monteroni, Lecce, 73100, Italy
| | - Nunzia Gallo
- Department
of Engineering for Innovation, University
of Salento, via Monteroni, Lecce, 73100, Italy
| | - Luca Salvatore
- Typeone
Biomaterials Srl, Muro Leccese, Lecce, 73036, Italy
| | - Clara Piccirillo
- Consiglio
Nazionale delle Ricerche, Institute of Nanotechnology, via Monteroni, Lecce, 73100, Italy
| | - Alessia Nito
- Consiglio
Nazionale delle Ricerche, Institute of Nanotechnology, via Monteroni, Lecce, 73100, Italy
| | - Annalisa Caputo
- Consiglio
Nazionale delle Ricerche, Institute of Nanotechnology, via Monteroni, Lecce, 73100, Italy
| | - Gabriella Guida
- Department
of Basic Medical Sciences Neurosciences and Sense Organs, University of Bari, Bari, 70124, Italy
| | - Alfredo Zito
- Pathology
Department, IRCCS Istituto Tumori “Giovanni
Paolo II”, Bari, 70124, Italy
| | - Raffaele Filotico
- Dermato-Oncology
Unit, IRCCS Istituto Tumori “Giovanni
Paolo II”, Bari, 70124, Italy
- Section
of Dermatology and Venereology, Department of Precision and Regenerative
Medicine and Ionian Area (DiMePRe-J), University
of Bari “Aldo Moro”, Bari, 70124, Italy
| | - Alessandra Quarta
- Consiglio
Nazionale delle Ricerche, Institute of Nanotechnology, via Monteroni, Lecce, 73100, Italy
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4
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Peng L, Qiu J, Liu L, Li X, Liu X, Zhang Y. Preparation of PEG/ZIF-8@HF drug delivery system for melanoma treatment via oral administration. Drug Deliv 2022; 29:1075-1085. [PMID: 35373691 PMCID: PMC8986218 DOI: 10.1080/10717544.2022.2058649] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Melanoma is one of the highly malignant tumors whose incidence and fatality rates have been increased year by year. However, in addition to early surgical resection, there still lacks specific targeted drugs and treatment strategies. In this study, it was discovered that hinokiflavone (HF) encapsulated in zeolitic imidazolate framework-8 (ZIF-8) exhibited a superior anti-melanoma effect in vitro and in vivo. HF was encapsulated in ZIF-8 through a one-step synthesis method, and polyethylene glycol (PEG-2000) was used to optimize the size and dispersion of the drug-loaded complex (PEG/ZIF-8@HF). The results show that the prepared PEG/ZIF-8@HF has a high encapsulation efficiency (92.12%) and can achieve selective drug release in an acidic microenvironment. The results of in vitro anti-melanoma experiments indicate that PEG/ZIF-8@HF shows up-regulation of reactive oxygen species (ROS) levels and can restrain the migration and invasion of B16F10 cells. Moreover, in vivo animal experiments further confirm that PEG/ZIF-8@HF shows anti-tumor effect by up-regulating the pro-apoptotic proteins caspase-3 and caspase-8, and down-regulating the migration-promoting invasion protein MMP-9. This study developed a safe and effective oral administration of HF based on the high-efficiency delivery ZIF-8 system, which provides an effective treatment strategy for melanoma.
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Affiliation(s)
- Luxi Peng
- The Third Affiliated Hospital of School of Medicine, Shihezi University, Shihezi, China.,The State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China
| | - Jiajun Qiu
- The State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China
| | - Lidan Liu
- The State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China
| | - Xiaoyu Li
- Department of Pharmacy, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xuanyong Liu
- The State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China
| | - Yongjun Zhang
- The Third Affiliated Hospital of School of Medicine, Shihezi University, Shihezi, China
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5
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Castro KADF, Ramos L, Mesquita M, Biazzotto JC, Moura NMM, Mendes RF, Almeida Paz FA, Tomé AC, Cavaleiro JAS, Simões MMQ, Faustino MAF, Jager AV, Nakagaki S, P M S Neves MG, da Silva RS. Comparison of the Photodynamic Action of Porphyrin, Chlorin, and Isobacteriochlorin Derivatives toward a Melanotic Cell Line. ACS APPLIED BIO MATERIALS 2021; 4:4925-4935. [PMID: 35007041 DOI: 10.1021/acsabm.1c00218] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Melanoma is the most dangerous form of skin cancer, with an abrupt growth of its incidence over the last years. It is extremely resistant to traditional treatments such as chemotherapy and radiotherapy, but therapies for this cancer are gaining attention. Photodynamic therapy (PDT) is considered an effective modality to treat several types of skin cancers and can offer the possibility to treat one of the most aggressive ones: melanoma. In this work, the effect of PDT on a melanotic cell line (B16F10 cells) was assessed by exposing cultured cells to 5,10,15-tris(pentafluorophenyl)-20-(4-pyridyl)porphyrin (PS1) and to its chlorin (PS2) and isobacteriochlorin (PS3) corresponding derivatives and red LED light (λ = 660 ± 20 nm). The PDT effect in the cells' viability was measured using the MTT assay. The cell apoptosis was quantified by flow cytometry, and the subcellular localization of the photosensitizer was determined by fluorescence microscopy. In addition, the ability of PS2 to generate superoxide radicals was qualitatively assessed by tyrosine nitration. The results show that the efficiency of the PDT process is dependent on the structure of the PS and on their ability to produce singlet oxygen. Besides that, the photoactivation efficiency is highly dependent on the cellular sublocalization of the PS and on its cellular uptake and singlet oxygen production. We also found that the resistant cell line B16F10 has distinctive chlorin, isobacteriochlorin, or porphyrin-specific resistance profiles. Furthermore, it is shown that the highly fluorescent chlorin derivative PS2 can also be considered in imaging diagnostics.
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Affiliation(s)
- Kelly A D F Castro
- Department of Physics and Chemistry, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, 14040-903 SP, Brazil.,LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Loyanne Ramos
- Department of Physics and Chemistry, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, 14040-903 SP, Brazil
| | - Mariana Mesquita
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Juliana Cristina Biazzotto
- Department of Physics and Chemistry, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, 14040-903 SP, Brazil
| | - Nuno M M Moura
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Ricardo F Mendes
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Filipe A Almeida Paz
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Augusto C Tomé
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - José A S Cavaleiro
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Mário M Q Simões
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Maria A F Faustino
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Alessandra Vincenzi Jager
- Department of Physics and Chemistry, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, 14040-903 SP, Brazil
| | - Shirley Nakagaki
- Laboratory of Bioinorganic and Catalysis, Department of Chemistry, Federal University of Paraná, 81531-980 Paraná, Brazil
| | - M Graça P M S Neves
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Roberto S da Silva
- Department of Physics and Chemistry, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, 14040-903 SP, Brazil
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6
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Monofunctional Platinum(II) Anticancer Agents. Pharmaceuticals (Basel) 2021; 14:ph14020133. [PMID: 33562293 PMCID: PMC7915149 DOI: 10.3390/ph14020133] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/02/2021] [Accepted: 02/04/2021] [Indexed: 12/15/2022] Open
Abstract
Platinum-based anticancer drugs represented by cisplatin play important roles in the treatment of various solid tumors. However, their applications are largely compromised by drug resistance and side effects. Much effort has been made to circumvent the drug resistance and general toxicity of these drugs. Among multifarious designs, monofunctional platinum(II) complexes with a general formula of [Pt(3A)Cl]+ (A: Ammonia or amine) stand out as a class of "non-traditional" anticancer agents hopeful to overcome the defects of current platinum drugs. This review aims to summarize the development of monofunctional platinum(II) complexes in recent years. They are classified into four categories: fluorescent complexes, photoactive complexes, targeted complexes, and miscellaneous complexes. The intention behind the designs is either to visualize the cellular distribution, or to reduce the side effects, or to improve the tumor selectivity, or inhibit the cancer cells through non-DNA targets. The information provided by this review may inspire researchers to conceive more innovative complexes with potent efficacy to shake off the drawbacks of platinum anticancer drugs.
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7
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Castro KADF, Costa LD, Prandini JA, Biazzotto JC, Tomé AC, Hamblin MR, da Graça P M S Neves M, Faustino MAF, da Silva RS. The Photosensitizing Efficacy of Micelles Containing a Porphyrinic Photosensitizer and KI against Resistant Melanoma Cells. Chemistry 2021; 27:1990-1994. [PMID: 33185284 PMCID: PMC7921759 DOI: 10.1002/chem.202004389] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 11/05/2020] [Indexed: 11/07/2022]
Abstract
Photodynamic therapy (PDT) is a promising alternative to overcome the resistance of melanoma to conventional therapies. Currently applied photosensitizers (PS) are often based on tetrapyrrolic macrocycles like porphyrins. Unfortunately, in some cases the use of this type of derivative is limited due to their poor solubility in the biological environment. Feasible approaches to surpass this drawback are based on lipid formulations. Besides that, and inspired in the efficacy of potassium iodide (KI) for antimicrobial photodynamic therapy (aPDT), the combined effect of singlet oxygen (1 O2 ) with KI was assessed in this work, as an alternative strategy to potentiate the effect of PDT against resistant melanoma cells.
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Affiliation(s)
- Kelly A D F Castro
- Department of Physics and Chemistry, Faculty of, Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Letícia D Costa
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Juliana A Prandini
- Department of Physics and Chemistry, Faculty of, Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Juliana C Biazzotto
- Department of Physics and Chemistry, Faculty of, Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Augusto C Tomé
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein, 2028, South Africa
| | | | - M Amparo F Faustino
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Roberto S da Silva
- Department of Physics and Chemistry, Faculty of, Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
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8
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New insights on the role of autophagy in the pathogenesis and treatment of melanoma. Mol Biol Rep 2020; 47:9021-9032. [DOI: 10.1007/s11033-020-05886-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 09/30/2020] [Indexed: 02/07/2023]
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9
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Lifshits LM, Roque Iii JA, Konda P, Monro S, Cole HD, von Dohlen D, Kim S, Deep G, Thummel RP, Cameron CG, Gujar S, McFarland SA. Near-infrared absorbing Ru(ii) complexes act as immunoprotective photodynamic therapy (PDT) agents against aggressive melanoma. Chem Sci 2020; 11:11740-11762. [PMID: 33976756 PMCID: PMC8108386 DOI: 10.1039/d0sc03875j] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 09/04/2020] [Indexed: 12/15/2022] Open
Abstract
Mounting evidence over the past 20 years suggests that photodynamic therapy (PDT), an anticancer modality known mostly as a local treatment, has the capacity to invoke a systemic antitumor immune response, leading to protection against tumor recurrence. For aggressive cancers such as melanoma, where chemotherapy and radiotherapy are ineffective, immunomodulating PDT as an adjuvant to surgery is of interest. Towards the development of specialized photosensitizers (PSs) for treating pigmented melanomas, nine new near-infrared (NIR) absorbing PSs based on a Ru(ii) tris-heteroleptic scaffold [Ru(NNN)(NN)(L)]Cln, were explored. Compounds 2, 6, and 9 exhibited high potency toward melanoma cells, with visible EC50 values as low as 0.292–0.602 μM and PIs as high as 156–360. Single-micromolar phototoxicity was obtained with NIR-light (733 nm) with PIs up to 71. The common feature of these lead NIR PSs was an accessible low-energy triplet intraligand (3IL) excited state for high singlet oxygen (1O2) quantum yields (69–93%), which was only possible when the photosensitizing 3IL states were lower in energy than the lowest triplet metal-to-ligand charge transfer (3MLCT) excited states that typically govern Ru(ii) polypyridyl photophysics. PDT treatment with 2 elicited a pro-inflammatory response alongside immunogenic cell death in mouse B16F10 melanoma cells and proved safe for in vivo administration (maximum tolerated dose = 50 mg kg−1). Female and male mice vaccinated with B16F10 cells that were PDT-treated with 2 and challenged with live B16F10 cells exhibited 80 and 55% protection from tumor growth, respectively, leading to significantly improved survival and excellent hazard ratios of ≤0.2. Ru(ii) photosensitizers (PSs) destroy aggressive melanoma cells, triggering an immune response that leads to protection against tumor challenge and mouse survival.![]()
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Affiliation(s)
- Liubov M Lifshits
- Department of Chemistry and Biochemistry, The University of Texas at Arlington Arlington Texas 76019-0065 USA
| | - John A Roque Iii
- Department of Chemistry and Biochemistry, The University of Texas at Arlington Arlington Texas 76019-0065 USA .,Department of Chemistry and Biochemistry, The University of North Carolina at Greensboro Greensboro North Carolina 27402 USA
| | - Prathyusha Konda
- Department of Microbiology and Immunology, Dalhousie University Halifax Nova Scotia B3H 1X5 Canada
| | - Susan Monro
- Department of Chemistry, Acadia University Wolfville Nova Scotia B4P 2R6 Canada
| | - Houston D Cole
- Department of Chemistry and Biochemistry, The University of Texas at Arlington Arlington Texas 76019-0065 USA
| | - David von Dohlen
- Department of Chemistry and Biochemistry, The University of North Carolina at Greensboro Greensboro North Carolina 27402 USA
| | - Susy Kim
- Department of Cancer Biology, Wake Forest School of Medicine Winston Salem NC 27157 USA
| | - Gagan Deep
- Department of Cancer Biology, Wake Forest School of Medicine Winston Salem NC 27157 USA
| | - Randolph P Thummel
- Department of Chemistry, University of Houston 112 Fleming Building Houston Texas 77204-5003 USA
| | - Colin G Cameron
- Department of Chemistry and Biochemistry, The University of Texas at Arlington Arlington Texas 76019-0065 USA
| | - Shashi Gujar
- Department of Microbiology and Immunology, Dalhousie University Halifax Nova Scotia B3H 1X5 Canada .,Department of Pathology, Dalhousie University Halifax Nova Scotia B3H 1X5 Canada.,Department of Biology, Dalhousie University Halifax Nova Scotia B3H 1X5 Canada.,Beatrice Hunter Cancer Research Institute Halifax Nova Scotia B3H 4R2 Canada
| | - Sherri A McFarland
- Department of Chemistry and Biochemistry, The University of Texas at Arlington Arlington Texas 76019-0065 USA
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10
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Antibody-Based Immunotherapy: Alternative Approaches for the Treatment of Metastatic Melanoma. Biomedicines 2020; 8:biomedicines8090327. [PMID: 32899183 PMCID: PMC7555584 DOI: 10.3390/biomedicines8090327] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 08/28/2020] [Accepted: 09/01/2020] [Indexed: 12/13/2022] Open
Abstract
Melanoma is the least common form of skin cancer and is associated with the highest mortality. Where melanoma is mostly unresponsive to conventional therapies (e.g., chemotherapy), BRAF inhibitor treatment has shown improved therapeutic outcomes. Photodynamic therapy (PDT) relies on a light-activated compound to produce death-inducing amounts of reactive oxygen species (ROS). Their capacity to selectively accumulate in tumor cells has been confirmed in melanoma treatment with some encouraging results. However, this treatment approach has not reached clinical fruition for melanoma due to major limitations associated with the development of resistance and subsequent side effects. These adverse effects might be bypassed by immunotherapy in the form of antibody–drug conjugates (ADCs) relying on the ability of monoclonal antibodies (mAbs) to target specific tumor-associated antigens (TAAs) and to be used as carriers to specifically deliver cytotoxic warheads into corresponding tumor cells. Of late, the continued refinement of ADC therapeutic efficacy has given rise to photoimmunotherapy (PIT) (a light-sensitive compound conjugated to mAbs), which by virtue of requiring light activation only exerts its toxic effect on light-irradiated cells. As such, this review aims to highlight the potential clinical benefits of various armed antibody-based immunotherapies, including PDT, as alternative approaches for the treatment of metastatic melanoma.
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11
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Ghazaeian M, Khorsandi K, Hosseinzadeh R, Naderi A, Abrahamse H. Curcumin-silica nanocomplex preparation, hemoglobin and DNA interaction and photocytotoxicity against melanoma cancer cells. J Biomol Struct Dyn 2020; 39:6606-6616. [PMID: 32762410 DOI: 10.1080/07391102.2020.1802342] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Melanoma is a malignant cancer of the skin associated with a high mortality. Early medical diagnosis and surgical intervention are essential for the treatment of melanoma. The use of plant-based compounds is an important strategy for the prevention and treatment of different types of cancers. Curcumin is a promising natural anticancer compound used towards treatment for various kinds of cancers. Studies have shown that curcumin could be applied as a photosensitizer in cancer photodynamic therapy (PDT). PDT uses light and a photosensitizing agent which produce reactive oxygen species leading to cancer cell death. The main obstacle for using curcumin as photosensitizer is its low solubilization ability in an aqueous environment. To improve its application in cancer treatment, we synthetized curcumin-silica nanoparticles as photosensitizer for photodynamic treatment of human melanoma cancer cells. Scanning electron microscopy, Transmission electron microscopy, Powder X-ray diffraction and Thermo geometric analysis indicated that curcumin was loaded on silica. The solubility of curcumin in water increased by using silica nanoparticles which wasconfirmed by spectroscopy results. The spectroscopy study confirmed the interaction of curcumin-silica nanocomplex with double strand DNA and no interaction with hemoglobin. The curcumin-silica nanocomplex and curcumin photodynamic effect was investigated on human melanoma cancer cells (A375) and also human fibroblast cells. The cell toxicity experiments showed that the curcumin-silica nanocomplex had greater photodynamic effects on cancer cell death as compared to free curcumin. The apoptotic assay by acridine orange/ethidium bromide (AO/EB) dual staining and colony forming ability confirmed the MTT results. Therefore, these results suggest that the curcumin-silica nanocomplex has great potential to be employed in photodynamic treatment of melanoma cancer.
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Affiliation(s)
- Mehrgan Ghazaeian
- Department of Chemistry, Faculty of Science, Islamic Azad University, North Tehran Branch, Tehran, Iran
| | - Khatereh Khorsandi
- Department of Photodynamic, Medical Laser Research Center, YARA Institute, ACECR, Tehran, Iran
| | - Reza Hosseinzadeh
- Department of Medical Laser, Medical Laser Research Center, YARA Institute, ACECR, Tehran, Iran
| | - Asieh Naderi
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia, SC, USA
| | - Heidi Abrahamse
- Laser Research Centre, NRF SARChI Chair: Laser Applications in Health, Faculty of Health Sciences, University of Johannesburg, Auckland Park, South Africa
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12
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Oxidative Stress and Photodynamic Therapy of Skin Cancers: Mechanisms, Challenges and Promising Developments. Antioxidants (Basel) 2020; 9:antiox9050448. [PMID: 32455998 PMCID: PMC7278813 DOI: 10.3390/antiox9050448] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 05/14/2020] [Accepted: 05/21/2020] [Indexed: 12/19/2022] Open
Abstract
Ultraviolet radiation is one of the most pervasive environmental interactions with humans. Chronic ultraviolet irradiation increases the danger of skin carcinogenesis. Probably, oxidative stress is the most important mechanism by which ultraviolet radiation implements its damaging effects on normal cells. However, notwithstanding the data referring to the negative effects exerted by light radiation and oxidative stress on carcinogenesis, both factors are used in the treatment of skin cancer. Photodynamic therapy (PDT) consists of the administration of a photosensitiser, which undergoes excitation after suitable irradiation emitted from a light source and generates reactive oxygen species. Oxidative stress causes a condition in which cellular components, including DNA, proteins, and lipids, are oxidised and injured. Antitumor effects result from the combination of direct tumour cell photodamage, the destruction of tumour vasculature and the activation of an immune response. In this review, we report the data present in literature dealing with the main signalling molecular pathways modified by oxidative stress after photodynamic therapy to target skin cancer cells. Moreover, we describe the progress made in the design of anti-skin cancer photosensitisers, and the new possibilities of increasing the efficacy of PDT via the use of molecules capable of developing a synergistic antineoplastic action.
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13
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Zheng Z, Liu H, Zhai S, Zhang H, Shan G, Kwok RTK, Ma C, Sung HHY, Williams ID, Lam JWY, Wong KS, Hu X, Tang BZ. Highly efficient singlet oxygen generation, two-photon photodynamic therapy and melanoma ablation by rationally designed mitochondria-specific near-infrared AIEgens. Chem Sci 2020; 11:2494-2503. [PMID: 34084415 PMCID: PMC8157451 DOI: 10.1039/c9sc06441a] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Photosensitizers (PSs) with multiple characteristics, including efficient singlet oxygen (1O2) generation, cancer cell-selective accumulation and subsequent mitochondrial localization as well as near-infrared (NIR) excitation and bright NIR emission, are promising candidates for imaging-guided photodynamic therapy (PDT) but rarely concerned. Herein, a simple rational strategy, namely modulation of donor-acceptor (D-A) strength, for molecular engineering of mitochondria-targeting aggregation-induced emission (AIE) PSs with desirable characteristics including highly improved 1O2 generation efficiency, NIR emission (736 nm), high specificity to mitochondria, good biocompatibility, high brightness and superior photostability is demonstrated. Impressively, upon light irradiation, the optimal NIR AIE PS (DCQu) can generate 1O2 with efficiency much higher than those of commercially available PSs. The excellent two-photon absorption properties of DCQu allow two-photon fluorescence imaging of mitochondria and subsequent two-photon excited PDT. DCQu can selectively differentiate cancer cells from normal cells without the aid of extra targeting ligands. Upon ultralow-power light irradiation at 4.2 mW cm-2, in situ mitochondrial photodynamic activation to specifically damage cancer cells and efficient in vivo melanoma ablation are demonstrated, suggesting superior potency of the AIE PS in imaging-guided PDT with minimal side effects, which is promising for future precision medicine.
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Affiliation(s)
- Zheng Zheng
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study, Department of Chemical and Biological Engineering, Institute of Molecular Functional Materials, Division of Life Science, State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology (HKUST) Clear Water Bay Kowloon Hong Kong China
| | - Haixiang Liu
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study, Department of Chemical and Biological Engineering, Institute of Molecular Functional Materials, Division of Life Science, State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology (HKUST) Clear Water Bay Kowloon Hong Kong China
| | - Shaodong Zhai
- MOE Key Laboratory of Laser Life Science, Institute of Laser Life Science, College of Biophotonics, South China Normal University 55 Zhongshan Avenue West Guangzhou 510631 China
| | - Haoke Zhang
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study, Department of Chemical and Biological Engineering, Institute of Molecular Functional Materials, Division of Life Science, State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology (HKUST) Clear Water Bay Kowloon Hong Kong China
| | - Guogang Shan
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study, Department of Chemical and Biological Engineering, Institute of Molecular Functional Materials, Division of Life Science, State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology (HKUST) Clear Water Bay Kowloon Hong Kong China
| | - Ryan T K Kwok
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study, Department of Chemical and Biological Engineering, Institute of Molecular Functional Materials, Division of Life Science, State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology (HKUST) Clear Water Bay Kowloon Hong Kong China
| | - Chao Ma
- Department of Physics, HKUST Clear Water Bay Kowloon Hong Kong China
| | - Herman H Y Sung
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study, Department of Chemical and Biological Engineering, Institute of Molecular Functional Materials, Division of Life Science, State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology (HKUST) Clear Water Bay Kowloon Hong Kong China
| | - Ian D Williams
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study, Department of Chemical and Biological Engineering, Institute of Molecular Functional Materials, Division of Life Science, State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology (HKUST) Clear Water Bay Kowloon Hong Kong China
| | - Jacky W Y Lam
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study, Department of Chemical and Biological Engineering, Institute of Molecular Functional Materials, Division of Life Science, State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology (HKUST) Clear Water Bay Kowloon Hong Kong China
| | - Kam Sing Wong
- Department of Physics, HKUST Clear Water Bay Kowloon Hong Kong China
| | - Xianglong Hu
- MOE Key Laboratory of Laser Life Science, Institute of Laser Life Science, College of Biophotonics, South China Normal University 55 Zhongshan Avenue West Guangzhou 510631 China
| | - Ben Zhong Tang
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study, Department of Chemical and Biological Engineering, Institute of Molecular Functional Materials, Division of Life Science, State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology (HKUST) Clear Water Bay Kowloon Hong Kong China .,HKUST-Shenzhen Research Institute No. 9 Yuexing 1st RD, South Area, Hi-tech Park, Nanshan Shenzhen 518057 China.,Center for Aggregation-Induced Emission, SCUT-HKUST Joint Research Institute, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology Guangzhou 510640 China
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14
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Wang S, Liu H, Xin J, Rahmanzadeh R, Wang J, Yao C, Zhang Z. Chlorin-Based Photoactivable Galectin-3-Inhibitor Nanoliposome for Enhanced Photodynamic Therapy and NK Cell-Related Immunity in Melanoma. ACS APPLIED MATERIALS & INTERFACES 2019; 11:41829-41841. [PMID: 31617343 DOI: 10.1021/acsami.9b09560] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Photodynamic therapy (PDT) is an encouraging alternative therapy for melanoma treatment and Ce6-mediated PDT has shown some exciting results in clinical trials. However, PDT in melanoma treatment is still hampered by some melanoma's protective mechanisms like antiapoptosis mechanisms and treatment escape pathways. Combined therapy and enhancing immune stimulation were proposed as effective strategies to overcome this resistance. In this paper, a Chlorin-based photoactivable Galectin-3-inhibitor nanoliposome (PGIL) was designed for enhanced Melanoma PDT and immune activation of Natural Killer (NK) cells. PGIL were synthesized by encapsulating the photosensitizer chlorin e6 and low molecular citrus pectin in the nanoliposome to realize NIR-triggered PDT and low molecular citrus pectin (LCP) release into the cytoplasm. The intracellular release of LCP inhibits the activity of galectin-3, which increases the apoptosis, inhibits the invade ability, and enhances the recognition ability of Natural Killer (NK) cells to tumor cells in melanoma cells after PDT. These effects of PGIL were tested in cells and nude mice, and the mechanisms during the in vivo treatment were preliminarily studied. The results showed that PGIL can be an effective prodrug for melanoma therapy.
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Affiliation(s)
- Sijia Wang
- Institute of Biomedical Analytical Technology and Instrumentation, School of Life Science and Technology, Key Laboratory of Biomedical Information Engineering of Ministry of Education , Xi'an Jiaotong University , Xi'an , Shaanxi 710049 , China
| | - Huifang Liu
- Institute of Biomedical Analytical Technology and Instrumentation, School of Life Science and Technology, Key Laboratory of Biomedical Information Engineering of Ministry of Education , Xi'an Jiaotong University , Xi'an , Shaanxi 710049 , China
| | - Jing Xin
- Institute of Biomedical Analytical Technology and Instrumentation, School of Life Science and Technology, Key Laboratory of Biomedical Information Engineering of Ministry of Education , Xi'an Jiaotong University , Xi'an , Shaanxi 710049 , China
| | - Ramtin Rahmanzadeh
- Institute for Biomedical Optics , University of Lübeck , Lübeck 23562 , Germany
| | - Jing Wang
- Institute of Biomedical Analytical Technology and Instrumentation, School of Life Science and Technology, Key Laboratory of Biomedical Information Engineering of Ministry of Education , Xi'an Jiaotong University , Xi'an , Shaanxi 710049 , China
| | - Cuiping Yao
- Institute of Biomedical Analytical Technology and Instrumentation, School of Life Science and Technology, Key Laboratory of Biomedical Information Engineering of Ministry of Education , Xi'an Jiaotong University , Xi'an , Shaanxi 710049 , China
| | - Zhenxi Zhang
- Institute of Biomedical Analytical Technology and Instrumentation, School of Life Science and Technology, Key Laboratory of Biomedical Information Engineering of Ministry of Education , Xi'an Jiaotong University , Xi'an , Shaanxi 710049 , China
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15
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Liu Y, Chen S, Sun J, Zhu S, Chen C, Xie W, Zheng J, Zhu Y, Xiao L, Hao L, Wang Z, Chang S. Folate-Targeted and Oxygen/Indocyanine Green-Loaded Lipid Nanoparticles for Dual-Mode Imaging and Photo-sonodynamic/Photothermal Therapy of Ovarian Cancer in Vitro and in Vivo. Mol Pharm 2019; 16:4104-4120. [PMID: 31517495 DOI: 10.1021/acs.molpharmaceut.9b00339] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
We have successfully fabricated versatile folate-targeted and oxygen/indocyanine green-loaded lipid nanoparticles (FA-OINPs) for dual-mode imaging-guided therapy in ovarian cancer cells and subcutaneous xenograft models. FA-OINPs were demonstrated to have great potential as superb contrast agents to enhance ultrasound and photoacoustic (US/PA) imaging We have successfully fabricated versatile folate-targeted and oxygen/indocyanine green-loaded lipid nanoparticles (FA-OINPs) for dual-mode imaging-guided therapy in ovarian cancer cells and subcutaneous xenograft models. FA-OINPs were demonstrated to have great potential as superb contrast agents to enhance ultrasound and photoacoustic (US/PA) imaging in vitro and in vivo. Confocal laser scanning microscopy and flow cytometry analysis verified that FA-OINPs could specifically target SKOV3 ovarian cancer cells and be endocytosed with a remarkable efficiency. Compared with other therapeutic options, FA-OINPs exhibited an excellent therapeutic outcome after exposure to laser and ultrasound. The MTT assay and flow cytometry analysis confirmed that cytotoxicity effects and apoptosis/necrosis rates were significantly increased. The fluorescence microscopy and fluorescence microplate reader detection validated that the generation of intracellular reactive oxygen species (ROS) was dramatically improved. Immunohistochemical analyses of tumor tissues demonstrated the enhanced tumor apoptosis, the decreased vascular endothelial growth factor (VEGF) and microvascular density (MVD) expression, and the decreased expression of CD68 after treatment. The presented results suggest that photo-sonodynamic/photothermal mediated FA-OINPs could provide a promising strategy for synergistic therapy in ovarian cancer with the guidance of US/PA dual-mode imaging.
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Affiliation(s)
- Yujiao Liu
- Department of Obstetrics and Gynecology , the Second Affiliated Hospital of Chongqing Medical University , Chongqing 400010 , China
| | - Shuning Chen
- Department of Obstetrics and Gynecology , the Second Affiliated Hospital of Chongqing Medical University , Chongqing 400010 , China
| | - Jiangchuan Sun
- Department of Obstetrics and Gynecology , the Second Affiliated Hospital of Chongqing Medical University , Chongqing 400010 , China
| | - Shenyin Zhu
- Department of Pharmacy , the First Affiliated Hospital of Chongqing Medical University , Chongqing 400016 , China
| | - Chunyan Chen
- Department of Obstetrics and Gynecology , the Second Affiliated Hospital of Chongqing Medical University , Chongqing 400010 , China
| | - Wan Xie
- Department of Obstetrics and Gynecology , the Second Affiliated Hospital of Chongqing Medical University , Chongqing 400010 , China
| | - Jiao Zheng
- Department of Obstetrics and Gynecology , the Second Affiliated Hospital of Chongqing Medical University , Chongqing 400010 , China
| | - Yi Zhu
- Department of Obstetrics and Gynecology , the Second Affiliated Hospital of Chongqing Medical University , Chongqing 400010 , China
| | - Linlin Xiao
- Department of Obstetrics and Gynecology , the Second Affiliated Hospital of Chongqing Medical University , Chongqing 400010 , China
| | - Lan Hao
- Institute of Ultrasound Imaging , the Second Affiliated Hospital of Chongqing Medical University , Chongqing 400010 , China
| | - Zhigang Wang
- Institute of Ultrasound Imaging , the Second Affiliated Hospital of Chongqing Medical University , Chongqing 400010 , China
| | - Shufang Chang
- Department of Obstetrics and Gynecology , the Second Affiliated Hospital of Chongqing Medical University , Chongqing 400010 , China
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16
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Sujai PT, Joseph MM, Karunakaran V, Saranya G, Adukkadan RN, Shamjith S, Thomas R, Nair JB, Swathi RS, Maiti KK. Biogenic Cluster-Encased Gold Nanorods as a Targeted Three-in-One Theranostic Nanoenvelope for SERS-Guided Photochemotherapy against Metastatic Melanoma. ACS APPLIED BIO MATERIALS 2018; 2:588-600. [DOI: 10.1021/acsabm.8b00746] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Palasseri T. Sujai
- Chemical Sciences and Technology Division (CSTD), CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, Kerala, India
- Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | - Manu M. Joseph
- Chemical Sciences and Technology Division (CSTD), CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, Kerala, India
| | - Varsha Karunakaran
- Chemical Sciences and Technology Division (CSTD), CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, Kerala, India
- Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | - Giridharan Saranya
- Chemical Sciences and Technology Division (CSTD), CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, Kerala, India
- Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | - Ramya N. Adukkadan
- Chemical Sciences and Technology Division (CSTD), CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, Kerala, India
- Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | - Shanmughan Shamjith
- Chemical Sciences and Technology Division (CSTD), CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, Kerala, India
- Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | - Reshmi Thomas
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER-TVM), Vithura 695551, Thiruvananthapuram, India
| | - Jyothi B. Nair
- Chemical Sciences and Technology Division (CSTD), CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, Kerala, India
- Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | - Rotti Srinivasamurthy Swathi
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER-TVM), Vithura 695551, Thiruvananthapuram, India
| | - Kaustabh Kumar Maiti
- Chemical Sciences and Technology Division (CSTD), CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, Kerala, India
- Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
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17
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Das S, Khuda-Bukhsh AR. PLGA-loaded nanomedicines in melanoma treatment: Future prospect for efficient drug delivery. Indian J Med Res 2017; 144:181-193. [PMID: 27934796 PMCID: PMC5206868 DOI: 10.4103/0971-5916.195024] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Current treatment methods for melanoma have some limitations such as less target-specific action, severe side effects and resistance to drugs. Significant progress has been made in exploring novel drug delivery systems based on suitable biochemical mechanisms using nanoparticles ranging from 10 to 400 nm for drug delivery and imaging, utilizing their enhanced penetration and retention properties. Poly-lactide-co-glycolide (PLGA), a copolymer of poly-lactic acid and poly-glycolic acid, provides an ideally suited performance-based design for better penetration into skin cells, thereby having a greater potential for the treatment of melanoma. Moreover, encapsulation protects the drug from deactivation by biological reactions and interactions with biomolecules, ensuring successful delivery and bioavailability for effective treatment. Controlled and sustained delivery of drugs across the skin barrier that otherwise prohibits entry of larger molecules can be successfully made with adequately stable biocompatible nanocarriers such as PLGA for taking drugs through the small cutaneous pores permitting targeted deposition and prolonged drug action. PLGA is now being extensively used in photodynamic therapy and targeted therapy through modulation of signal proteins and drug-DNA interactions. Recent advances made on these nanomedicines and their advantages in the treatment of skin melanoma are highlighted and discussed in this review.
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Affiliation(s)
- Sreemanti Das
- Department of Zoology, Cytogenetics & Molecular Biology Laboratory, University of Kalyani, Kalyani, India
| | - Anisur Rahman Khuda-Bukhsh
- Department of Zoology, Cytogenetics & Molecular Biology Laboratory, University of Kalyani, Kalyani, India
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18
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A Targeted Nanoprobe Based on Carbon Nanotubes-Natural Biopolymer Chitosan Composites. NANOMATERIALS 2016; 6:nano6110216. [PMID: 28335344 PMCID: PMC5245750 DOI: 10.3390/nano6110216] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Revised: 11/08/2016] [Accepted: 11/09/2016] [Indexed: 12/25/2022]
Abstract
A novel targeting theranostic nanoprobe based on single-walled carbon nanotubes (SWCNTs)-natural biopolymer chitosan composites was developed for cancer cell targeting imaging and fluorescence imaging-guided photodynamic therapy. First, chitosan was respectively conjugated with a tumor-homing molecule folic acid, or a photosensitizing drug pyropheophorbide a using a water-soluble carbodiimide coupling chemistry. Chitosan was fluorescently labeled by fluorescein isothiocyanate via the covalently linkage of the isothiocyanate group with the amino group. Second, SWCNTs were sonicated in the functional chitosan aqueous solution for 6 h at room temperature in order to obtain the nanoprobe (PPa/FITC-SWCNT-FA). The as-prepared nanoprobe has been characterized with transmission electron microscope, confocal microscopy, and cell cytotoxicity tests. Chitosan was decorated onto SWCNTs resulting in the water-dispersible PPa/FITC-SWCNT-FA, and can be selectively transported inside folate receptor-positive tumor cell with good targeting imaging. PPa/FITC-SWCNT-FA exhibited low dark toxicity about 7%–13%, and high phototoxicity about 60%–74% against HeLa cells upon a 635 nm laser irradiation, indicating satisfying biocompatibility and antitumor activity. These results suggest the study could offer a feasible alternative to presently available nanoparticle-based theranostic agents.
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19
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Wang P, Tang H, Zhang P. Plasmonic Nanoparticle-based Hybrid Photosensitizers with Broadened Excitation Profile for Photodynamic Therapy of Cancer Cells. Sci Rep 2016; 6:34981. [PMID: 27725746 PMCID: PMC5057082 DOI: 10.1038/srep34981] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Accepted: 09/22/2016] [Indexed: 12/03/2022] Open
Abstract
Photodynamic therapy combining nanotechnology has shown great potential with improved therapeutic efficacy and fewer side effects. Ideal photosensitizers for cancer treatment should both have good singlet oxygen production capability and be excitable by light illuminations with deep tissue penetration. Here we report a type of hybrid photosensitizers consisting of plasmonic silver nanoparticles and photosensitizing molecules, where strong resonance coupling between the two leads to a broadened excitation profile and exceptionally high singlet oxygen production under both visible light and infrared light excitations. Our results indicate that the hybrid photosensitizers display low cytotoxicity without light illumination yet highly enhanced photodynamic inhibition efficacy against Hela cells under a broad spectrum of light illuminations including the near-infrared light, which has great implication in photodynamic therapy of deep-tissue cancers.
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Affiliation(s)
- Peng Wang
- Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221, USA
| | - Hong Tang
- Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221, USA
| | - Peng Zhang
- Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221, USA
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20
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Pucelik B, Arnaut LG, Stochel G, Dąbrowski JM. Design of Pluronic-Based Formulation for Enhanced Redaporfin-Photodynamic Therapy against Pigmented Melanoma. ACS APPLIED MATERIALS & INTERFACES 2016; 8:22039-55. [PMID: 27492026 DOI: 10.1021/acsami.6b07031] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
The therapeutic outcome of photodynamic therapy (PDT) with redaporfin (a fluorinated sulfonamide bacteriochlorin, F2BMet or LUZ11) was improved using Pluronic-based (P123, F127) formulations. Neither redaporfin encapsulated in Pluronic nor micelles alone exhibited cytotoxicity in a broad concentration range. Comprehensive in vitro studies against B16F10 melanoma cells showed that redaporfin-P123 micelles enhanced cellular uptake and increased oxidative stress compared with redaporfin-F127 or photosensitizer alone after short incubation times. ROS-sensitive fluorescent probes showed that the increased oxidative stress is due, at least in part, to a more efficient formation of hydroxyl radicals, and causes strong light-dose dependent apoptosis and necrosis. Tissue distribution and pharmacokinetic studies in tumor-bearing mice show that the Pluronic P123 formulation of redaporfin increases its bioavailability as well as the tumor-to-muscle and tumor-to-skin ratios, in comparison with Cremophor EL and Pluronic F127 formulations. Redaporfin in P123 was most successful in the PDT of C57BL/6J mice bearing subcutaneously implanted B16F10 melanoma tumors. Vascular-targeted PDT combining 1.5 mg kg(-1) redaporfin in P123 with a light dose of 74 J cm(-2) led to 100% complete cures (i.e., no tumor regrowth over one year post-treatment). This remarkable result reveals that modification of redaporfin with Pluronic block copolymers overcomes the resistance of melanoma cells to PDT possibly via increased tumor selectivity and enhanced ROS generation.
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Affiliation(s)
- Barbara Pucelik
- Faculty of Chemistry, Jagiellonian University , 30-060 Kraków, Poland
| | - Luis G Arnaut
- CQC, Chemistry Department, University of Coimbra , Rua Larga, 3004-535 Coimbra, Portugal
| | - Grażyna Stochel
- Faculty of Chemistry, Jagiellonian University , 30-060 Kraków, Poland
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21
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Wang X, Meng G, Zhang S, Liu X. A Reactive (1)O2 - Responsive Combined Treatment System of Photodynamic and Chemotherapy for Cancer. Sci Rep 2016; 6:29911. [PMID: 27443831 PMCID: PMC4957223 DOI: 10.1038/srep29911] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Accepted: 06/20/2016] [Indexed: 01/07/2023] Open
Abstract
The development of reactive oxygen species (ROS)-responsive drug delivery and drug release has gradually attracted much attention in recent years as a promising therapeutic strategy. Singlet oxygen (1O2) as the major ROS species is widely used in photodynamic therapy (PDT) of cancer. In the present study, we introduce a combined treatment using ROS-sensitive thioketal (TK) linkage as a linker between upconversion nanoparticles (UNs)-based PDT and doxorubicin (DOX)-based chemotherapy. UNs can not only play a role in PDT, but can also be used as a nanocarrier for drug delivery of DOX. Moreover, the products of 1O2 during PDT are able to cleave TK linker inducing the release of DOX which can further achieve the goal of chemotherapy. By using this 1O2-responsive nanocarrier delivery system, DOX can easily reach the tumor site and be accumulated in the nuclei to effectively kill the cancer cells, and therefore decreasing the side effects of chemotherapy on the body. Thus, PDT also has the function of controlling drug release in this combination treatment strategy. Compared with monotherapy, the combination of PDT with chemotherapy also possesses excellent drug loading capability and anticancer efficiency.
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Affiliation(s)
- Xiaojun Wang
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guoqing Meng
- Life Sciences Department, Heze University, Heze 274015, China
| | - Song Zhang
- Shandong Provincial Key Laboratory of Microbial Engineering, Qilu University of Technology, Jinan 250100, China
| | - Xinli Liu
- Shandong Provincial Key Laboratory of Microbial Engineering, Qilu University of Technology, Jinan 250100, China
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Abstract
Sonodynamic therapy (SDT) is an emerging approach that involves a combination of low-intensity ultrasound and specialized chemical agents known as sonosensitizers. Ultrasound can penetrate deeply into tissues and can be focused into a small region of a tumor to activate a sonosensitizer which offers the possibility of non-invasively eradicating solid tumors in a site-directed manner. In this article, we critically reviewed the currently accepted mechanisms of sonodynamic action and summarized the classification of sonosensitizers. At the same time, the breath of evidence from SDT-based studies suggests that SDT is promising for cancer treatment.
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Affiliation(s)
- Guo-Yun Wan
- Research Center of Basic Medical Science & School of Pharmacy, Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), Tianjin Medical University, Tianjin 300070, China
| | - Yang Liu
- Research Center of Basic Medical Science & School of Pharmacy, Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), Tianjin Medical University, Tianjin 300070, China; Laboratory of Cancer Cell Biology, National Clinical Research Center for Cancer, Tianjin Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China
| | - Bo-Wei Chen
- Research Center of Basic Medical Science & School of Pharmacy, Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), Tianjin Medical University, Tianjin 300070, China
| | - Yuan-Yuan Liu
- Research Center of Basic Medical Science & School of Pharmacy, Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), Tianjin Medical University, Tianjin 300070, China
| | - Yin-Song Wang
- Research Center of Basic Medical Science & School of Pharmacy, Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), Tianjin Medical University, Tianjin 300070, China
| | - Ning Zhang
- Research Center of Basic Medical Science & School of Pharmacy, Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), Tianjin Medical University, Tianjin 300070, China; Laboratory of Cancer Cell Biology, National Clinical Research Center for Cancer, Tianjin Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China
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Targeted inhibition of p38MAPK-enhanced autophagy in SW620 cells resistant to photodynamic therapy-induced apoptosis. Lasers Med Sci 2015; 30:1967-75. [PMID: 26254783 DOI: 10.1007/s10103-015-1770-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2014] [Accepted: 03/18/2015] [Indexed: 12/22/2022]
Abstract
Photodynamic therapy (PDT) is a promising and noninvasive treatment that can induce apoptosis, autophagy, or both depending on the cell phenotype. In this work, chlorin e6 (Ce6) was used to photosensitize human colorectal cancer SW620 cells. In cells, apparent autophagy and apoptosis with dependence on intracellular reactive oxygen species (ROS) generation were detected. p38MAPK activation followed by ROS generation might be a core component in Ce6 mediate PDT (Ce6-PDT)-induced autophagy and apoptosis signaling pathway. By using p38MAPK siRNA, the results showed a marked enhancement on cell apoptosis in Ce6-PDT with increased annexin (+) apoptotic cells, nuclear condensation, caspase-3, and PARP cleavage. Besides, impairment of p38MAPK also promoted the autophagic response to photodamage as indicated by conversion of LC3 and monodansyl cadaverine (MDC) labeling patterns. It appears that Ce6-PDT induced ROS production involving activation of p38MAPK, probably to prevent SW620 cells from photodamage. Moreover, autophagy inhibitor 3-methyladenine/bafilomycin A1 greatly aggravated Ce6-PDT-induced apoptosis in SW620 cells with knockdown of p38MAPK. Taken together, this study suggests that autophagy could represent a promising field in cancer treatment and p38MAPK may be a potential therapeutic target to enhance the efficacy on clinical evaluation for the treatment of colorectal cancer.
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A Potent Inhibitor of Phosphoinositide 3-Kinase (PI3K) and Mitogen Activated Protein (MAP) Kinase Signalling, Quercetin (3, 3', 4', 5, 7-Pentahydroxyflavone) Promotes Cell Death in Ultraviolet (UV)-B-Irradiated B16F10 Melanoma Cells. PLoS One 2015; 10:e0131253. [PMID: 26148186 PMCID: PMC4493061 DOI: 10.1371/journal.pone.0131253] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Accepted: 05/31/2015] [Indexed: 12/21/2022] Open
Abstract
Ultraviolet (UV) radiation–induced skin damage contributes strongly to the formation of melanoma, a highly lethal form of skin cancer. Quercetin (Qu), the most widely consumed dietary bioflavonoid and well known inhibitor of phosphoinositide 3-kinase (PI3K) and mitogen activated protein (MAP) kinase signalling, has been reported to be chemopreventive in several forms of non-melanoma skin cancers. Here, we report that the treatment of ultraviolet (UV)-B-irradiated B16F10 melanoma cells with quercetin resulted in a dose dependent reduction in cell viability and increased apoptosis. The present study has brought out that the pro-apoptotic effects of quercetin in UVB-irradiated B16F10 cells are mediated through the elevation of intracellular reactive oxygen species (ROS) formation, calcium homeostasis imbalance, modulation of anti-oxidant defence response and depolarization of mitochondrial membrane potential (ΔΨM). Promotion of UVB-induced cell death by quercetin was further revealed by cleavage of chromosomal DNA, caspase activation, poly (ADP) ribose polymerase (PARP) cleavage, and an increase in sub-G1 cells. Quercetin markedly attenuated MEK-ERK signalling, influenced PI3K/Akt pathway, and potentially enhanced the UVB-induced NF-κB nuclear translocation. Furthermore, combined UVB and quercetin treatment decreased the ratio of Bcl-2 to that of Bax, and upregulated the expression of Bim and apoptosis inducing factor (AIF). Overall, these results suggest the possibility of using quercetin in combination with UVB as a possible treatment option for melanoma in future.
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Glycolytic inhibitors 2-deoxyglucose and 3-bromopyruvate synergize with photodynamic therapy respectively to inhibit cell migration. J Bioenerg Biomembr 2015; 47:189-97. [PMID: 25631472 DOI: 10.1007/s10863-015-9604-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Accepted: 01/19/2015] [Indexed: 01/06/2023]
Abstract
Most cancer cells have the specially increased glycolytic phenotype, which makes this pathway become an attractive therapeutic target. Although glycolytic inhibitor 2-deoxyglucose (2-DG) has been demonstrated to potentiate the cytotoxicity of photodynamic therapy (PDT), the impacts on cell migration after the combined treatment has never been reported yet. The present study aimed to analyze the influence of glycolytic inhibitors 2-DG and 3-bromopyruvate (3-BP) combined with Ce6-PDT on cell motility of Triple Negative Breast Cancer MDA-MB-231 cells. As determined by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltertrazolium-bromide-Tetraz-olium (MTT) assay, more decreased cell viability was observed in 2-DG + PDT and 3-BP + PDT groups when compared with either monotherapy. Under optimal conditions, synergistic potentiation on cell membrane destruction and the decline of cell adhesion and cells migratory ability were observed in both 2-DG + PDT and 3-BP + PDT by electron microscope observation (SEM), wound healing and trans-well assays. Besides, serious microfilament network collapses as well as impairment of matrix metalloproteinases-9 (MMP-9) were notably improved after the combined treatments by immunofluorescent staining. These results suggest that 2-DG and 3-BP can both significantly potentiated Ce6-PDT efficacy of cell migration inhibition.
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Huang YY, Vecchio D, Avci P, Yin R, Garcia-Diaz M, Hamblin MR. Melanoma resistance to photodynamic therapy: new insights. Biol Chem 2014; 394:239-50. [PMID: 23152406 DOI: 10.1515/hsz-2012-0228] [Citation(s) in RCA: 96] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2012] [Accepted: 11/06/2012] [Indexed: 01/11/2023]
Abstract
Melanoma is the most dangerous form of skin cancer, with a steeply rising incidence and a poor prognosis in its advanced stages. Melanoma is highly resistant to traditional chemotherapy and radiotherapy, although modern targeted therapies such as BRAF inhibitors are showing some promise. Photodynamic therapy (PDT, the combination of photosensitizing dyes and visible light) has been tested in the treatment of melanoma with some promising results, but melanoma is generally considered to be resistant to it. Optical interference by the highly-pigmented melanin, the antioxidant effect of melanin, the sequestration of photosensitizers inside melanosomes, defects in apoptotic pathways, and the efflux of photosensitizers by ATP-binding cassette transporters have all been implicated in melanoma resistance to PDT. Approaches to overcoming melanoma resistance to PDT include: the discovery of highly active photosensitizers absorbing in the 700-800-nm near infrared spectral region; interventions that can temporarily reduce the amount or pigmentation of the melanin; compounds that can reverse apoptotic defects or inhibit drug-efflux of photosensitizers; and immunotherapy approaches that can take advantage of the ability of PDT to activate the host immune system against the tumor being treated.
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Affiliation(s)
- Ying-Ying Huang
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA 02114, USA
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Monge-Fuentes V, Muehlmann LA, de Azevedo RB. Perspectives on the application of nanotechnology in photodynamic therapy for the treatment of melanoma. NANO REVIEWS 2014; 5:24381. [PMID: 25317253 PMCID: PMC4152551 DOI: 10.3402/nano.v5.24381] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/17/2014] [Revised: 07/08/2014] [Accepted: 07/09/2014] [Indexed: 01/14/2023]
Abstract
Malignant melanoma is the most aggressive form of skin cancer and has been traditionally considered difficult to treat. The worldwide incidence of melanoma has been increasing faster than any other type of cancer. Early detection, surgery, and adjuvant therapy enable improved outcomes; nonetheless, the prognosis of metastatic melanoma remains poor. Several therapies have been investigated for the treatment of melanoma; however, current treatment options for patients with metastatic disease are limited and non-curative in the majority of cases. Photodynamic therapy (PDT) has been proposed as a promising minimally invasive therapeutic procedure that employs three essential elements to induce cell death: a photosensitizer, light of a specific wavelength, and molecular oxygen. However, classical PDT has shown some drawbacks that limit its clinical application. In view of this, the use of nanotechnology has been considered since it provides many tools that can be applied to PDT to circumvent these limitations and bring new perspectives for the application of this therapy for different types of diseases. On that ground, this review focuses on the potential use of developing nanotechnologies able to bring significant benefits for anticancer PDT, aiming to reach higher efficacy and safety for patients with malignant melanoma.
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Affiliation(s)
- Victoria Monge-Fuentes
- Laboratory of Nanobiotechnology, Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasília, Brasília-DF, Brazil
| | - Luis Alexandre Muehlmann
- Laboratory of Nanobiotechnology, Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasília, Brasília-DF, Brazil
| | - Ricardo Bentes de Azevedo
- Laboratory of Nanobiotechnology, Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasília, Brasília-DF, Brazil
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28
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Kleemann B, Loos B, Scriba TJ, Lang D, Davids LM. St John's Wort (Hypericum perforatum L.) photomedicine: hypericin-photodynamic therapy induces metastatic melanoma cell death. PLoS One 2014; 9:e103762. [PMID: 25076130 PMCID: PMC4116257 DOI: 10.1371/journal.pone.0103762] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2014] [Accepted: 07/01/2014] [Indexed: 12/24/2022] Open
Abstract
Hypericin, an extract from St John's Wort (Hypericum perforatum L.), is a promising photosensitizer in the context of clinical photodynamic therapy due to its excellent photosensitizing properties and tumoritropic characteristics. Hypericin-PDT induced cytotoxicity elicits tumor cell death by various mechanisms including apoptosis, necrosis and autophagy-related cell death. However, limited reports on the efficacy of this photomedicine for the treatment of melanoma have been published. Melanoma is a highly aggressive tumor due to its metastasizing potential and resistance to conventional cancer therapies. The aim of this study was to investigate the response mechanisms of melanoma cells to hypericin-PDT in an in vitro tissue culture model. Hypericin was taken up by all melanoma cells and partially co-localized to the endoplasmic reticulum, mitochondria, lysosomes and melanosomes, but not the nucleus. Light activation of hypericin induced a rapid, extensive modification of the tubular mitochondrial network into a beaded appearance, loss of structural details of the endoplasmic reticulum and concomitant loss of hypericin co-localization. Surprisingly the opposite was found for lysosomal-related organelles, suggesting that the melanoma cells may be using these intracellular organelles for hypericin-PDT resistance. In line with this speculation we found an increase in cellular granularity, suggesting an increase in pigmentation levels in response to hypericin-PDT. Pigmentation in melanoma is related to a melanocyte-specific organelle, the melanosome, which has recently been implicated in drug trapping, chemotherapy and hypericin-PDT resistance. However, hypericin-PDT was effective in killing both unpigmented (A375 and 501mel) and pigmented (UCT Mel-1) melanoma cells by specific mechanisms involving the externalization of phosphatidylserines, cell shrinkage and loss of cell membrane integrity. In addition, this treatment resulted in extrinsic (A375) and intrinsic (UCT Mel-1) caspase-dependent apoptotic modes of cell death, as well as a caspase-independent apoptotic mode that did not involve apoptosis-inducing factor (501 mel). Further research is needed to shed more light on these mechanisms.
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Affiliation(s)
- Britta Kleemann
- Redox Laboratory and Confocal and Light Microscope Imaging Facility, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - Benjamin Loos
- Department of Physiological Sciences, Stellenbosch University, Stellenbosch, South Africa
| | - Thomas J. Scriba
- South African TB Vaccine Initiative, Institute of Infectious Disease and Molecular Medicine and School of Child and Adolescent Health, University of Cape Town, Cape Town, South Africa
| | - Dirk Lang
- Redox Laboratory and Confocal and Light Microscope Imaging Facility, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - Lester M. Davids
- Redox Laboratory and Confocal and Light Microscope Imaging Facility, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
- * E-mail:
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Slastnikova TA, Rosenkranz AA, Lupanova TN, Gulak PV, Gnuchev NV, Sobolev AS. Study of efficiency of the modular nanotransporter for targeted delivery of photosensitizers to melanoma cell nuclei in vivo. DOKL BIOCHEM BIOPHYS 2012; 446:235-7. [PMID: 23132717 DOI: 10.1134/s1607672912050146] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2012] [Indexed: 11/23/2022]
Affiliation(s)
- T A Slastnikova
- Institute of Gene Biology, Russian Academy of Sciences, Moscow, Russia
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30
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Comparison of the influence of photodynamic reaction on the Me45 and MEWO cell lines in vitro. Contemp Oncol (Pozn) 2012; 16:240-3. [PMID: 23788887 PMCID: PMC3687420 DOI: 10.5114/wo.2012.29292] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2011] [Revised: 01/27/2012] [Accepted: 02/07/2012] [Indexed: 01/09/2023] Open
Abstract
Aim of the study Photodynamic therapy (PDT) is an approved, minimally invasive and highly selective therapeutic approach to a variety of tumors. It is based on specific photosensitizer accumulation in the tumor tissue, followed by irradiation with visible light. The photochemical interactions of the photosensitizer, light and molecular oxygen produce singlet oxygen and other reactive oxygen forms. The imbalance between ROS generation and antioxidant capacity of the body gives rise to oxidative stress in the cell, which initiates cell death in PDT. The aim of this study was to investigate the effect of photodynamic reactions in human melanoma cell lines. Material and methods Photofrin® (Ph) was used for the photodynamic reaction in vitro as a photosensitizer. The primary cell line was MEWO cell line (granular fibroblasts), derived from a human melanoma. As a recurrent cell line we used Me45 cell line, derived from a lymph node metastasis of skin melanoma. We compared cell viability (MTT assay) to determine the effectiveness of applied therapy. The intracellular distribution of photosensitizer (Photofrin) and localization of mitochondria (Mito-Tracker Green) were detected by confocal microscopy. Results We observed that Me45 and MEWO cell viability was dependent on the time of incubation after irradiation. In the recurrent cell line Ph accumulated mainly in the mitochondrial membranes and in MEWO cells also in the cytoplasm. The primary melanoma cell line exhibited significantly reduced cellular proliferation (below 50%) after photodynamic reaction with Ph. Conclusions The applied photodynamic reaction was more effective in primary melanoma cells. Additionally, mitochondrial localization of Ph can lead to disturbances of mitochondrial transmembrane potential and finally to release of apoptotic proteins.
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