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Tuchin VV, Genina EA, Tuchina ES, Svetlakova AV, Svenskaya YI. Optical clearing of tissues: Issues of antimicrobial phototherapy and drug delivery. Adv Drug Deliv Rev 2022; 180:114037. [PMID: 34752842 DOI: 10.1016/j.addr.2021.114037] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 09/23/2021] [Accepted: 10/28/2021] [Indexed: 02/08/2023]
Abstract
This review presents principles and novelties in the field of tissue optical clearing (TOC) technology, as well as application for optical monitoring of drug delivery and effective antimicrobial phototherapy. TOC is based on altering the optical properties of tissue through the introduction of immersion optical cleaning agents (OCA), which impregnate the tissue of interest. We also analyze various methods and kinetics of delivery of photodynamic agents, nanoantibiotics and their mixtures with OCAs into the tissue depth in the context of antimicrobial and antifungal phototherapy. In vitro and in vivo studies of antimicrobial phototherapies, such as photodynamic, photothermal plasmonic and photocatalytic, are summarized, and the prospects of a new TOC technology for effective killing of pathogens are discussed.
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Carobeli LR, Meirelles LEDF, Damke GMZF, Damke E, de Souza MVF, Mari NL, Mashiba KH, Shinobu-Mesquita CS, Souza RP, da Silva VRS, Gonçalves RS, Caetano W, Consolaro MEL. Phthalocyanine and Its Formulations: A Promising Photosensitizer for Cervical Cancer Phototherapy. Pharmaceutics 2021; 13:pharmaceutics13122057. [PMID: 34959339 PMCID: PMC8705941 DOI: 10.3390/pharmaceutics13122057] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 10/19/2021] [Accepted: 10/21/2021] [Indexed: 12/13/2022] Open
Abstract
Cervical cancer is one of the most common causes of cancer-related deaths in women worldwide. Despite advances in current therapies, women with advanced or recurrent disease present poor prognosis. Photodynamic therapy (PDT) has emerged as an effective therapeutic alternative to treat oncological diseases such as cervical cancer. Phthalocyanines (Pcs) are considered good photosensitizers (PS) for PDT, although most of them present high levels of aggregation and are lipophilic. Despite many investigations and encouraging results, Pcs have not been approved as PS for PDT of invasive cervical cancer yet. This review presents an overview on the pathophysiology of cervical cancer and summarizes the most recent developments on the physicochemical properties of Pcs and biological results obtained both in vitro in tumor-bearing mice and in clinical tests reported in the last five years. Current evidence indicates that Pcs have potential as pharmaceutical agents for anti-cervical cancer therapy. The authors firmly believe that Pc-based formulations could emerge as a privileged scaffold for the establishment of lead compounds for PDT against different types of cervical cancer.
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Affiliation(s)
- Lucimara R. Carobeli
- Department of Clinical Analysis and Biomedicine, Universidade Estadual de Maringá, Maringá 87020-900, PR, Brazil; (L.R.C.); (L.E.d.F.M.); (G.M.Z.F.D.); (E.D.); (M.V.F.d.S.); (N.L.M.); (K.H.M.); (C.S.S.-M.); (R.P.S.); (V.R.S.d.S.)
| | - Lyvia E. de F. Meirelles
- Department of Clinical Analysis and Biomedicine, Universidade Estadual de Maringá, Maringá 87020-900, PR, Brazil; (L.R.C.); (L.E.d.F.M.); (G.M.Z.F.D.); (E.D.); (M.V.F.d.S.); (N.L.M.); (K.H.M.); (C.S.S.-M.); (R.P.S.); (V.R.S.d.S.)
| | - Gabrielle M. Z. F. Damke
- Department of Clinical Analysis and Biomedicine, Universidade Estadual de Maringá, Maringá 87020-900, PR, Brazil; (L.R.C.); (L.E.d.F.M.); (G.M.Z.F.D.); (E.D.); (M.V.F.d.S.); (N.L.M.); (K.H.M.); (C.S.S.-M.); (R.P.S.); (V.R.S.d.S.)
| | - Edilson Damke
- Department of Clinical Analysis and Biomedicine, Universidade Estadual de Maringá, Maringá 87020-900, PR, Brazil; (L.R.C.); (L.E.d.F.M.); (G.M.Z.F.D.); (E.D.); (M.V.F.d.S.); (N.L.M.); (K.H.M.); (C.S.S.-M.); (R.P.S.); (V.R.S.d.S.)
| | - Maria V. F. de Souza
- Department of Clinical Analysis and Biomedicine, Universidade Estadual de Maringá, Maringá 87020-900, PR, Brazil; (L.R.C.); (L.E.d.F.M.); (G.M.Z.F.D.); (E.D.); (M.V.F.d.S.); (N.L.M.); (K.H.M.); (C.S.S.-M.); (R.P.S.); (V.R.S.d.S.)
| | - Natália L. Mari
- Department of Clinical Analysis and Biomedicine, Universidade Estadual de Maringá, Maringá 87020-900, PR, Brazil; (L.R.C.); (L.E.d.F.M.); (G.M.Z.F.D.); (E.D.); (M.V.F.d.S.); (N.L.M.); (K.H.M.); (C.S.S.-M.); (R.P.S.); (V.R.S.d.S.)
| | - Kayane H. Mashiba
- Department of Clinical Analysis and Biomedicine, Universidade Estadual de Maringá, Maringá 87020-900, PR, Brazil; (L.R.C.); (L.E.d.F.M.); (G.M.Z.F.D.); (E.D.); (M.V.F.d.S.); (N.L.M.); (K.H.M.); (C.S.S.-M.); (R.P.S.); (V.R.S.d.S.)
| | - Cristiane S. Shinobu-Mesquita
- Department of Clinical Analysis and Biomedicine, Universidade Estadual de Maringá, Maringá 87020-900, PR, Brazil; (L.R.C.); (L.E.d.F.M.); (G.M.Z.F.D.); (E.D.); (M.V.F.d.S.); (N.L.M.); (K.H.M.); (C.S.S.-M.); (R.P.S.); (V.R.S.d.S.)
| | - Raquel P. Souza
- Department of Clinical Analysis and Biomedicine, Universidade Estadual de Maringá, Maringá 87020-900, PR, Brazil; (L.R.C.); (L.E.d.F.M.); (G.M.Z.F.D.); (E.D.); (M.V.F.d.S.); (N.L.M.); (K.H.M.); (C.S.S.-M.); (R.P.S.); (V.R.S.d.S.)
| | - Vânia R. S. da Silva
- Department of Clinical Analysis and Biomedicine, Universidade Estadual de Maringá, Maringá 87020-900, PR, Brazil; (L.R.C.); (L.E.d.F.M.); (G.M.Z.F.D.); (E.D.); (M.V.F.d.S.); (N.L.M.); (K.H.M.); (C.S.S.-M.); (R.P.S.); (V.R.S.d.S.)
| | - Renato S. Gonçalves
- Department of Chemistry, Universidade Estadual de Maringá, Maringá 87020-900, PR, Brazil; (R.S.G.); (W.C.)
| | - Wilker Caetano
- Department of Chemistry, Universidade Estadual de Maringá, Maringá 87020-900, PR, Brazil; (R.S.G.); (W.C.)
| | - Márcia E. L. Consolaro
- Department of Clinical Analysis and Biomedicine, Universidade Estadual de Maringá, Maringá 87020-900, PR, Brazil; (L.R.C.); (L.E.d.F.M.); (G.M.Z.F.D.); (E.D.); (M.V.F.d.S.); (N.L.M.); (K.H.M.); (C.S.S.-M.); (R.P.S.); (V.R.S.d.S.)
- Correspondence: ; Tel.: +55-44-3011-5455
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de Carvalho Matos L, Calixto LA, Junqueira Garcia MT. Developing an analytical method by HPLC for simultaneous quantification of methylene blue and metformin applied to in vitro skin permeation and retention studies. Biomed Chromatogr 2021; 35:e5112. [PMID: 33675106 DOI: 10.1002/bmc.5112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 02/09/2021] [Accepted: 03/01/2021] [Indexed: 11/11/2022]
Abstract
The aim of this study was to develop an HPLC method for simultaneous quantification of metformin (MET) and methylene blue (MB) in in vitro skin permeation/retention studies, in which retention was evaluated in the different layers of the skin [stratum corneum (SC) and the viable epidermis + dermis (VE + D)]. The method was validated considering the following parameters: specificity, linearity, quantitation limit (LOQ), recovery, precision and accuracy. Calibration curves were obtained using the following six matrices: methanol, water, methanolic extracts from the SC and VE + D spiked with the drugs and drugs extracted from the SC and VE + D. The precision, accuracy and LOQ of the method were evaluated in water and in VE + D and SC, applying the drug extraction process. The results show that the method is selective and linear for both drugs. The precision and accuracy values, independent of matrix and drug, were below the limit of 15%. The LOQ of MB was defined as 0.4 μg/ml in the VE + D and SC and 0.8 μg/ml in water. The LOQ of MET was defined as 0.8 μg/ml in the VE + D and SC and 0.4 μg/ml in the water. The recovery of the method was adequate, consistent and reproducible for the concentration range of 0.4-10 μg/ml for MB (73.3-92.1%) and 0.8-10.0 μg/mL for MET (72.4-94.4%). This method has a potential application in the development of formulation for skin delivery of MB and MET.
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Affiliation(s)
- Lisa de Carvalho Matos
- Institute of Environmental, Chemical and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, Federal University of São Paulo (Unifesp), Diadema, São Paulo, Brazil
| | - Leandro Augusto Calixto
- Institute of Environmental, Chemical and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, Federal University of São Paulo (Unifesp), Diadema, São Paulo, Brazil
| | - Maria Teresa Junqueira Garcia
- Institute of Environmental, Chemical and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, Federal University of São Paulo (Unifesp), Diadema, São Paulo, Brazil
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De Silva P, Saad MA, Thomsen HC, Bano S, Ashraf S, Hasan T. Photodynamic therapy, priming and optical imaging: Potential co-conspirators in treatment design and optimization - a Thomas Dougherty Award for Excellence in PDT paper. J PORPHYR PHTHALOCYA 2020; 24:1320-1360. [PMID: 37425217 PMCID: PMC10327884 DOI: 10.1142/s1088424620300098] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/25/2023]
Abstract
Photodynamic therapy is a photochemistry-based approach, approved for the treatment of several malignant and non-malignant pathologies. It relies on the use of a non-toxic, light activatable chemical, photosensitizer, which preferentially accumulates in tissues/cells and, upon irradiation with the appropriate wavelength of light, confers cytotoxicity by generation of reactive molecular species. The preferential accumulation however is not universal and, depending on the anatomical site, the ratio of tumor to normal tissue may be reversed in favor of normal tissue. Under such circumstances, control of the volume of light illumination provides a second handle of selectivity. Singlet oxygen is the putative favorite reactive molecular species although other entities such as nitric oxide have been credibly implicated. Typically, most photosensitizers in current clinical use have a finite quantum yield of fluorescence which is exploited for surgery guidance and can also be incorporated for monitoring and treatment design. In addition, the photodynamic process alters the cellular, stromal, and/or vascular microenvironment transiently in a process termed photodynamic priming, making it more receptive to subsequent additional therapies including chemo- and immunotherapy. Thus, photodynamic priming may be considered as an enabling technology for the more commonly used frontline treatments. Recently, there has been an increase in the exploitation of the theranostic potential of photodynamic therapy in different preclinical and clinical settings with the use of new photosensitizer formulations and combinatorial therapeutic options. The emergence of nanomedicine has further added to the repertoire of photodynamic therapy's potential and the convergence and co-evolution of these two exciting tools is expected to push the barriers of smart therapies, where such optical approaches might have a special niche. This review provides a perspective on current status of photodynamic therapy in anti-cancer and anti-microbial therapies and it suggests how evolving technologies combined with photochemically-initiated molecular processes may be exploited to become co-conspirators in optimization of treatment outcomes. We also project, at least for the short term, the direction that this modality may be taking in the near future.
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Affiliation(s)
- Pushpamali De Silva
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Mohammad A. Saad
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Hanna C. Thomsen
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Shazia Bano
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Shoaib Ashraf
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Tayyaba Hasan
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
- Division of Health Sciences and Technology, Harvard University and Massachusetts Institute of Technology, Cambridge, MA 02139, USA
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Bystryak S, Acharya C, Dobiszewski K, Zhu H, Bandwar RP. Preclinical Assessment of a Cartridge-Based Flow-Through Assay for Determination of Adult CD4 T-Cell Count. Open AIDS J 2020. [DOI: 10.2174/1874613602014010050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Background:
Despite the emphasis on viral load testing, current HIV testing guidelines consider CD4 T-cell count measurement as an important criterion for assessing disease progression, making decisions about anti-retroviral therapy regime changes, and treating HIV infected individuals with opportunistic infections. The CD4 counting by established methods (e.g., flow cytometry) presents challenges not only in resource-scarce settings due to cost and lack of skilled technicians but also in resource-rich areas where it is limited to centralized facilities.
Objective:
Current options for Point-Of-Care (POC) CD4 enumeration are few and labor-intensive, prompting the need for newer technological methods that can overcome the aforementioned challenges.
Methods:
The novel and patented flow-through cell counting assay (FTCA) described previously (Bystryak et al., 2019) was developed further into a point-of-care CD4 testing system using a disposable cartridge device and a portable imaging instrument. A pilot study with ~100 samples using this device was conducted to assess the validity of FTCA as a POC test for the measurement of CD4 count.
Results:
The FTCA signal was found to be linear over a wide range (17 - 1540 cells/μL) of CD4 T-cell concentration. The FTCA method also exhibits a strong agreement with flow cytometry, with very low bias (− 7 cells/μL) towards CD4 count measurement.
Conclusion:
The cartridge-based FTCA method has great potential to be a fully quantitative method with low complexity, portability, low-cost, and wide applicability in clinical practice.
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Nedu ME, Tertis M, Cristea C, Georgescu AV. Comparative Study Regarding the Properties of Methylene Blue and Proflavine and Their Optimal Concentrations for In Vitro and In Vivo Applications. Diagnostics (Basel) 2020; 10:diagnostics10040223. [PMID: 32326607 PMCID: PMC7235860 DOI: 10.3390/diagnostics10040223] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 03/27/2020] [Accepted: 04/14/2020] [Indexed: 02/07/2023] Open
Abstract
Methylene blue and proflavine are fluorescent dyes used to stain nucleic acid from the molecular level to the tissue level. Already clinically used for sentinel node mapping, detection of neuroendocrine tumors, methemoglobinemia, septic shock, ifosfamide-induced encephalopathy, and photodynamic inactivation of RNA viruses, the antimicrobial, anti-inflammatory, and antioxidant effect of methylene blue has been demonstrated in different in vitro and in vivo studies. Proflavine was used as a disinfectant and bacteriostatic agent against many gram-positive bacteria, as well as a urinary antiseptic involved in highlighting cell nuclei. At the tissue level, the anti-inflammatory effects of methylene blue protect against pulmonary, renal, cardiac, pancreatic, ischemic-reperfusion lesions, and fevers. First used for their antiseptic and antiviral activity, respectively, methylene blue and proflavine turned out to be excellent dyes for diagnostic and treatment purposes. In vitro and in vivo studies demonstrated that both dyes are efficient as perfusion and tissue tracers and permitted to evaluate the minimal efficient concentration in different species, as well as their pharmacokinetics and toxicity. This review aims to identify the optimal concentrations of methylene blue and proflavine that can be used for in vivo experiments to highlight the vascularization of the skin in the case of a perforasome (both as a tissue tracer and in vascular mapping), as well as their effects on tissues. This review is intended to be a comparative and critical presentation of the possible applications of methylene blue (MB) and proflavine (PRO) in the surgical field, and the relevant biomedical findings from specialized literature to date are discussed as well.
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Affiliation(s)
- Maria-Eliza Nedu
- Department of Plastic Surgery, Faculty of Medicine, Iuliu Hațieganu University of Medicine and Pharmacy, 46-50 Viilor St., 400347 Cluj-Napoca, Romania; (M.-E.N.); (A.V.G.)
| | - Mihaela Tertis
- Department of Analytical Chemistry, Faculty of Pharmacy, Iuliu Hațieganu University of Medicine and Pharmacy, 4 Pasteur St., 400349 Cluj-Napoca, Romania;
| | - Cecilia Cristea
- Department of Analytical Chemistry, Faculty of Pharmacy, Iuliu Hațieganu University of Medicine and Pharmacy, 4 Pasteur St., 400349 Cluj-Napoca, Romania;
- Correspondence: ; Tel.: +40-264-597256
| | - Alexandru Valentin Georgescu
- Department of Plastic Surgery, Faculty of Medicine, Iuliu Hațieganu University of Medicine and Pharmacy, 46-50 Viilor St., 400347 Cluj-Napoca, Romania; (M.-E.N.); (A.V.G.)
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Zhang Q, He J, Yu W, Li Y, Liu Z, Zhou B, Liu Y. A promising anticancer drug: a photosensitizer based on the porphyrin skeleton. RSC Med Chem 2020; 11:427-437. [PMID: 33479647 PMCID: PMC7460723 DOI: 10.1039/c9md00558g] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 01/28/2020] [Indexed: 12/12/2022] Open
Abstract
Photodynamic therapy (PDT) is a minimally invasive combination of treatments that treat tumors and other diseases by using photosensitizers, light and oxygen to produce cytotoxic reactive oxygen species (ROS) inducing tumor cell apoptosis. Photosensitizers are the key part of PDT for clinical application and experimental research, and most of them are porphyrin compounds at present. Due to their unique affinity for tumor tissues, porphyrins are not only excellent photosensitizers, but also good carriers to transport other active drugs into tumor tissues, which can exert synergistic anticancer effects of PDT and chemotherapy. This article reviews the clinical development of porphyrin photosensitizers and the research status of porphyrin containing bioactive groups. Finally, future perspectives and the current challenges of photosensitizers based on the porphyrin skeleton are discussed.
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Affiliation(s)
- Qizhi Zhang
- Institute of Pharmacy & Pharmacology , Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study , University of South China , Hengyang City , Hunan Province 421001 , P.R. China .
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research , 28 Western Changshen Road , Hengyang City , Hunan Province 421001 , P.R. China
| | - Jun He
- Institute of Chemistry & Chemical Engineering , University of South China , Hengyang City , Hunan Province 421001 , P.R. China
| | - Wenmei Yu
- Institute of Pharmacy & Pharmacology , Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study , University of South China , Hengyang City , Hunan Province 421001 , P.R. China .
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research , 28 Western Changshen Road , Hengyang City , Hunan Province 421001 , P.R. China
| | - Yanchun Li
- Institute of Pharmacy & Pharmacology , Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study , University of South China , Hengyang City , Hunan Province 421001 , P.R. China .
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research , 28 Western Changshen Road , Hengyang City , Hunan Province 421001 , P.R. China
| | - Zhenhua Liu
- Institute of Pharmacy & Pharmacology , Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study , University of South China , Hengyang City , Hunan Province 421001 , P.R. China .
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research , 28 Western Changshen Road , Hengyang City , Hunan Province 421001 , P.R. China
| | - Binning Zhou
- Institute of Pharmacy & Pharmacology , Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study , University of South China , Hengyang City , Hunan Province 421001 , P.R. China .
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research , 28 Western Changshen Road , Hengyang City , Hunan Province 421001 , P.R. China
| | - Yunmei Liu
- Institute of Pharmacy & Pharmacology , Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study , University of South China , Hengyang City , Hunan Province 421001 , P.R. China .
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research , 28 Western Changshen Road , Hengyang City , Hunan Province 421001 , P.R. China
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Jeevarathinam AS, Lemaster JE, Chen F, Zhao E, Jokerst JV. Photoacoustic Imaging Quantifies Drug Release from Nanocarriers via Redox Chemistry of Dye-Labeled Cargo. Angew Chem Int Ed Engl 2020; 59:4678-4683. [PMID: 31840357 PMCID: PMC7101078 DOI: 10.1002/anie.201914120] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Indexed: 12/12/2022]
Abstract
We report a new approach to monitor drug release from nanocarriers via a paclitaxel-methylene blue conjugate (PTX-MB) with redox activity. This construct is in a photoacoustically silent reduced state inside poly(lactic-co-glycolic acid) (PLGA) nanoparticles (PTX-MB@PLGA NPs). During release, PTX-MB is spontaneously oxidized to produce a concentration-dependent photoacoustic signal. An in vitro drug-release study showed an initial burst release (25 %) between 0-24 h and a sustained release between 24-120 h with a cumulative release of 40.6 % and a 670-fold increase in photoacoustic signal. An in vivo murine drug release showed a photoacoustic signal enhancement of up to 649 % after 10 hours. PTX-MB@PLGA NPs showed an IC50 of 78 μg mL-1 and 44.7±4.8 % decrease of tumor burden in an orthotopic model of colon cancer via luciferase-positive CT26 cells.
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Affiliation(s)
| | - Jeanne E. Lemaster
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA
| | - Fang Chen
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA
- Department of Radiology, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA
| | - Eric Zhao
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA
| | - Jesse V. Jokerst
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA
- Materials Science and Engineering Program, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA
- Department of Radiology, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA
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Jeevarathinam AS, Lemaster JE, Chen F, Zhao E, Jokerst JV. Photoacoustic Imaging Quantifies Drug Release from Nanocarriers via Redox Chemistry of Dye‐Labeled Cargo. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201914120] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
| | - Jeanne E. Lemaster
- Department of NanoEngineering University of California San Diego 9500 Gilman Drive La Jolla CA 92093 USA
| | - Fang Chen
- Department of NanoEngineering University of California San Diego 9500 Gilman Drive La Jolla CA 92093 USA
- Department of Radiology University of California San Diego 9500 Gilman Dr. La Jolla CA 92093 USA
- Current address: Stanford University USA
| | - Eric Zhao
- Department of NanoEngineering University of California San Diego 9500 Gilman Drive La Jolla CA 92093 USA
| | - Jesse V. Jokerst
- Department of NanoEngineering University of California San Diego 9500 Gilman Drive La Jolla CA 92093 USA
- Materials Science and Engineering Program University of California San Diego 9500 Gilman Dr. La Jolla CA 92093 USA
- Department of Radiology University of California San Diego 9500 Gilman Dr. La Jolla CA 92093 USA
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Setaro F, Wennink JWH, Mäkinen PI, Holappa L, Trohopoulos PN, Ylä-Herttuala S, van Nostrum CF, de la Escosura A, Torres T. Amphiphilic phthalocyanines in polymeric micelles: a supramolecular approach toward efficient third-generation photosensitizers. J Mater Chem B 2019; 8:282-289. [PMID: 31803886 DOI: 10.1039/c9tb02014d] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In this paper we describe a straightforward supramolecular strategy to encapsulate silicon phthalocyanine (SiPc) photosensitizers (PS) in polymeric micelles made of poly(ε-caprolactone)-b-methoxypoly(ethylene glycol) (PCL-PEG) block copolymers. While PCL-PEG micelles are promising nanocarriers based on their biocompatibility and biodegradability, the design of our new PS favors their encapsulation. In particular, they combine two axial benzoyl substituents, each of them carrying either three hydrophilic methoxy(triethylenoxy) chains (1), three hydrophobic dodecyloxy chains (3), or both kinds of chains (2). The SiPc derivatives 1 and 2 are therefore amphiphilic, with the SiPc unit contributing to the hydrophobic core, while lipophilicity increases along the series, making it possible to correlate the loading efficacy in PCL-PEG micelles with the hydrophobic/hydrophilic balance of the PS structure. This has led to a new kind of third-generation nano-PS that efficiently photogenerates 1O2, while preliminary in vitro experiments demonstrate an excellent cellular uptake and a promising PDT activity.
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Affiliation(s)
- Francesca Setaro
- Organic Chemistry Department, Universidad Autónoma de Madrid, 28049 Cantoblanco, Madrid, Spain.
| | - Jos W H Wennink
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands.
| | - Petri I Mäkinen
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Neulaniementie 2, Kuopio FIN-70211, Finland
| | - Lari Holappa
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Neulaniementie 2, Kuopio FIN-70211, Finland
| | | | - Seppo Ylä-Herttuala
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Neulaniementie 2, Kuopio FIN-70211, Finland
| | - Cornelus F van Nostrum
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands.
| | - Andres de la Escosura
- Organic Chemistry Department, Universidad Autónoma de Madrid, 28049 Cantoblanco, Madrid, Spain. and Institute for Advanced Research in Chemical Sciences (IAdChem), 28049 Cantoblanco, Madrid, Spain
| | - Tomas Torres
- Organic Chemistry Department, Universidad Autónoma de Madrid, 28049 Cantoblanco, Madrid, Spain. and Institute for Advanced Research in Chemical Sciences (IAdChem), 28049 Cantoblanco, Madrid, Spain and IMDEA Nanosience, Ciudad Universitaria de Cantoblanco, 28049 Madrid, Spain
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12
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McRae EK, Nevonen DE, McKenna SA, Nemykin VN. Binding and photodynamic action of the cationic zinc phthalocyanines with different types of DNA toward understanding of their cancer therapy activity. J Inorg Biochem 2019; 199:110793. [DOI: 10.1016/j.jinorgbio.2019.110793] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 07/22/2019] [Accepted: 07/23/2019] [Indexed: 12/13/2022]
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13
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Poiroux G, Barre A, Rougé P, Benoist H. Targeting Glycosylation Aberrations to Improve the Efficiency of Cancer Phototherapy. Curr Cancer Drug Targets 2019; 19:349-359. [DOI: 10.2174/1568009618666180628101059] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 05/12/2018] [Accepted: 06/01/2018] [Indexed: 12/13/2022]
Abstract
The use of photodynamic therapy in cancer still remains limited, partly because of the lack of photosensitizer (PS) specificity for the cancerous tissues. Various molecular tools are available to increase PS efficiency by targeting the cancer cell molecular alterations. Most strategies use the protein-protein interactions, e.g. monoclonal antibodies directed toward tumor antigens, such as HER2 or EGFR. An alternative could be the targeting of the tumor glycosylation aberrations, e.g. T/Tn antigens that are truncated O-glycans over-expressed in numerous tumors. Thus, to achieve an effective targeting, PS can be conjugated to molecules that specifically recognize the Oglycosylation aberrations at the cancer cell surface.
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Affiliation(s)
- Guillaume Poiroux
- Universite de Toulouse, CRCT, INSERM UMR 1037, 2 Avenue Hubert Curien, 31037 Toulouse, France
| | - Annick Barre
- Universite de Toulouse, Pharma-Dev, Institut de Recherche pour le Developpement (IRD) UMR 152, Faculte des Sciences Pharmaceutiques, F-31062 Toulouse, Cedex 09, France
| | - Pierre Rougé
- Universite de Toulouse, Pharma-Dev, Institut de Recherche pour le Developpement (IRD) UMR 152, Faculte des Sciences Pharmaceutiques, F-31062 Toulouse, Cedex 09, France
| | - Hervé Benoist
- Universite de Toulouse, Pharma-Dev, Institut de Recherche pour le Developpement (IRD) UMR 152, Faculte des Sciences Pharmaceutiques, F-31062 Toulouse, Cedex 09, France
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14
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Okoth EA, Zhou Z, Ongarora B, Stutes A, Mathis JM, Vicente MGH. Synthesis and investigation of phthalocyanine-biotin conjugates. J PORPHYR PHTHALOCYA 2019; 23:125-135. [PMID: 33132689 PMCID: PMC7598017 DOI: 10.1142/s1088424619500056] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
An isothiocyanato-functionalized phthalocyanine (Pc) was synthesized in good yield from the corresponding amine-substituted Pc. This Pc reacted with ethanolamine, biotin hydrazine, and biotin diethylamine under mild conditions (room temperature in DMF or DMSO in the presence of TEA) to produce the corresponding thiourea products in 60-75% yields. All Pcs showed intense Q absorptions in DMF around 677 nm, emissions centered at 683 nm, and fluorescence quantum yields in the range 0.18-0.27. The Pcs were phototoxic to human carcinoma HEp2 cells (IC50 ~ 7 at 1.5 J/cm2) and localized in multiple organelles, including the lysosomes, Golgi and ER. One biotin-Pc conjugate was injected via tail vein into nude mice bearing HT-29 tumors and demonstrated selective localization in the tumor tissue.
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Affiliation(s)
- Elizabeth A. Okoth
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Zehua Zhou
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Benson Ongarora
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Alyssa Stutes
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA
| | - J. Michael Mathis
- Department of Comparative Biomedical Sciences, Louisiana State University School of Veterinary Medicine, Baton Rouge Louisiana 70803, USA
| | - M. Graça H. Vicente
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA
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15
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Wu PT, Lin CL, Lin CW, Chang NC, Tsai WB, Yu J. Methylene-Blue-Encapsulated Liposomes as Photodynamic Therapy Nano Agents for Breast Cancer Cells. NANOMATERIALS (BASEL, SWITZERLAND) 2018; 9:E14. [PMID: 30583581 PMCID: PMC6359461 DOI: 10.3390/nano9010014] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Revised: 12/18/2018] [Accepted: 12/18/2018] [Indexed: 01/16/2023]
Abstract
Methylene blue (MB) is a widely used dye and photodynamic therapy (PDT) agent that can produce reactive oxygen species (ROS) after light exposure, triggering apoptosis. However, it is hard for the dye to penetrate through the cell membrane, leading to poor cellular uptake; thus, drug carriers, which could enhance the cellular uptake, are a suitable solution. In addition, the defective vessels resulting from fast vessel outgrowth leads to an enhanced permeability and retention (EPR) effect, which gives nanoscale drug carriers a promising potential. In this study, we applied poly(12-(methacryloyloxy)dodecyl phosphorylcholine), a zwitterionic polymer-lipid, to self-assemble into liposomes and encapsulate MB (MB-liposome). Its properties of high stability and fast intracellular uptake were confirmed, and the higher in vitro ROS generation ability of MB-liposomes than that of free MB was also verified. For in vivo tests, we examined the toxicity in mice via tail vein injection. With the features found, MB-liposome has the potential of being an effective PDT nano agent for cancer therapy.
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Affiliation(s)
- Po-Ting Wu
- Department of Chemical Engineering, National Taiwan University, Taipei 103, Taiwan.
| | - Chih-Ling Lin
- Department of Chemical Engineering, National Taiwan University, Taipei 103, Taiwan.
| | - Che-Wei Lin
- Department of Chemical Engineering, National Taiwan University, Taipei 103, Taiwan.
| | - Ning-Chu Chang
- Department of Chemical Engineering, National Taiwan University, Taipei 103, Taiwan.
| | - Wei-Bor Tsai
- Department of Chemical Engineering, National Taiwan University, Taipei 103, Taiwan.
| | - Jiashing Yu
- Department of Chemical Engineering, National Taiwan University, Taipei 103, Taiwan.
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16
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Non-invasive monitoring of alternative splicing outcomes to identify candidate therapies for myotonic dystrophy type 1. Nat Commun 2018; 9:5227. [PMID: 30531949 PMCID: PMC6286378 DOI: 10.1038/s41467-018-07517-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 11/07/2018] [Indexed: 01/16/2023] Open
Abstract
During drug development, tissue samples serve as indicators of disease activity and pharmacodynamic responses. Reliable non-invasive measures of drug target engagement will facilitate identification of promising new treatments. Here we develop and validate a novel bi-transgenic mouse model of myotonic dystrophy type 1 (DM1) in which expression of either DsRed or GFP is determined by alternative splicing of an upstream minigene that is mis-regulated in DM1. Using a novel in vivo fluorescence spectroscopy system, we show that quantitation of the DsRed/GFP ratio provides an accurate estimation of splicing outcomes in muscle tissue of live mice that nearly doubles throughput over conventional fluorescence imaging techniques. Serial in vivo spectroscopy measurements in mice treated with a C16 fatty acid ligand conjugated antisense (LICA) oligonucleotide reveal a dose-dependent therapeutic response within seven days, confirm a several-week duration of action, and demonstrate a two-fold greater target engagement as compared to the unconjugated parent oligonucleotide.
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17
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Mitra K, Samso M, Lyons CE, Hartman MCT. Hyaluronic Acid Grafted Nanoparticles of a Platinum(II)-Silicon(IV) Phthalocyanine Conjugate for Tumor and Mitochondria-Targeted Photodynamic Therapy in Red Light. J Mater Chem B 2018; 6:7373-7377. [PMID: 31372221 DOI: 10.1039/c8tb02533a] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Herein, we report novel hyaluronic acid formulated nanoparticles containing a platinum(II) conjugated silicon(IV) phthalocyanine (SiPc-Pt-HA) for tumor targeted red light photodynamic therapy and chemotherapy. The SiPc-Pt-HA conjugate showed specific uptake, photo-enhanced cytotoxicity (~1500 fold) and mitochondrial accumulation in breast cancer over normal cells.
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Affiliation(s)
- Koushambi Mitra
- Department of Chemistry, Virginia Commonwealth University, 1001 West Main Street, P. O. Box 842006, Richmond, VA 23284, USA.,Massey Cancer Center, Virginia Commonwealth University, 401 College Street, Richmond, VA 23298, USA
| | - Montserrat Samso
- Department of Physiology and Biophysics, Virginia Commonwealth University, 1101 E. Marshall St., Richmond, VA 23298, USA
| | - Charles E Lyons
- Massey Cancer Center, Virginia Commonwealth University, 401 College Street, Richmond, VA 23298, USA
| | - Matthew C T Hartman
- Department of Chemistry, Virginia Commonwealth University, 1001 West Main Street, P. O. Box 842006, Richmond, VA 23284, USA.,Massey Cancer Center, Virginia Commonwealth University, 401 College Street, Richmond, VA 23298, USA
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18
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Ma W, Wang T, Zang L, Jiang Z, Zhang Z, Bi L, Cao W. Bactericidal effects of hematoporphyrin monomethyl ether-mediated blue-light photodynamic therapy against Staphylococcus aureus. Photochem Photobiol Sci 2018; 18:92-97. [PMID: 30327806 DOI: 10.1039/c8pp00127h] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The implementation of photodynamic therapy (PDT) usually uses red light as the excitation source to obtain a deeper penetration depth. However, for some superficial infectious diseases, using red-light PDT may damage the normal tissues underneath. If we choose a shorter wavelength light, then the effect of PDT can be limited to the superficial region. This study assessed the effect of blue-light PDT against Staphylococcus aureus. The absorption of hematoporphyrin monomethyl ether (HMME) by S. aureus was investigated using fluorescence spectroscopy. The bactericidal effects of HMME, light alone, and PDT using blue light (405 nm) on S. aureus were studied. The results indicate that the HMME uptake by S. aureus rapidly reached a certain value, then steadily increased with time in the range of 0-80 min, and thenreached a plateau at 80 min before a slow decline afterward. Without light irradiation, less than 2 μg ml-1 HMME showed no bactericidal effect on S. aureus. Without HMME, blue-light at a power density of 20 mW cm-2 had no significant bactericidal effect for 0.5 min to 10 min. When 2 μg ml-1 of HMME was combined with blue-light (20 mW cm-2), the bactericidal effect showed a reduction of 3 log10 with the extension of irradiation time. These results demonstrated that bacteria have the ability to absorb HMME, and HMME-mediated blue-light PDT can effectively kill the bacteria, which laid the foundation for blue-light PDT as a non-invasive treatment for superficial infectious diseases.
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Affiliation(s)
- Wei Ma
- Department of Stomatology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin 150001, China.
| | - Tao Wang
- Department of Stomatology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin 150001, China.
| | - Lixin Zang
- Condensed Matter Science and Technology Institute, Harbin Institute of Technology, Harbin 150080, China
| | - Zhinan Jiang
- Department of Stomatology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin 150001, China.
| | - Zhiguo Zhang
- Condensed Matter Science and Technology Institute, Harbin Institute of Technology, Harbin 150080, China
| | - Liangjia Bi
- Department of Stomatology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin 150001, China.
| | - Wenwu Cao
- Condensed Matter Science and Technology Institute, Harbin Institute of Technology, Harbin 150080, China and Department of Mathematics and Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
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19
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Bispo M, Pereira PMR, Setaro F, Rodríguez-Morgade MS, Fernandes R, Torres T, Tomé JPC. A Galactose Dendritic Silicon (IV) Phthalocyanine as a Photosensitizing Agent in Cancer Photodynamic Therapy. Chempluschem 2018; 83:855-860. [PMID: 31950688 DOI: 10.1002/cplu.201800370] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Indexed: 11/06/2022]
Abstract
Two protected galacto-dendritic units have been axially coordinated to the central ion of a silicon(IV) phthalocyanine to afford SiPcPGal4 containing four units of galactose per macrocycle. These biological moieties provided better solubility in aqueous medium and a sensitizer with higher absorption peaks at 680-690 nm. The photodynamic activity of SiPcPGal4 was evaluated against UM-UC-3 human bladder cancer cell line and the results were compared with the activity of the reported SiPcPGal2 and SiPc(OH)2 . SiPcPGal4 had a better uptake and it was a better toxicity inducer than SiPcPGal2 and SiPc(OH)2 owing to its four galactose units, protected by isopropylidene groups, which can act as targeted micelles.
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Affiliation(s)
- Mafalda Bispo
- QOPNA, Department of Chemistry, University of Aveiro Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.,Department of Organic Chemistry, Autonoma University of Madrid Cantoblanco, 28049, Madrid, Spain.,Institute for Biomedical Imaging and Life Sciences (IBILI) Faculty of Medicine, University of Coimbra, 3000-548, Coimbra, Portugal
| | - Patrícia M R Pereira
- QOPNA, Department of Chemistry, University of Aveiro Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.,Institute for Biomedical Imaging and Life Sciences (IBILI) Faculty of Medicine, University of Coimbra, 3000-548, Coimbra, Portugal
| | - Francesca Setaro
- Department of Organic Chemistry, Autonoma University of Madrid Cantoblanco, 28049, Madrid, Spain
| | - M Salomé Rodríguez-Morgade
- Department of Organic Chemistry, Autonoma University of Madrid Cantoblanco, 28049, Madrid, Spain.,Institute for Advanced Research in Chemical Sciences (IAdChem), Autonoma University of Madrid, Cantoblanco, 28049, Madrid, Spain
| | - Rosa Fernandes
- Institute for Biomedical Imaging and Life Sciences (IBILI) Faculty of Medicine, University of Coimbra, 3000-548, Coimbra, Portugal.,Centre for Neuroscience and Cell Biology, Institute for Biomedical Imaging and Life Sciences (CNC.IBILI), Research Consortium University of Coimbra, 3004-504, Coimbra, Portugal.,Center of Investigation in Environment, Genetics, and Oncobiology, 3001-301, Coimbra, Portugal
| | - Tomás Torres
- Department of Organic Chemistry, Autonoma University of Madrid Cantoblanco, 28049, Madrid, Spain.,Institute for Advanced Research in Chemical Sciences (IAdChem), Autonoma University of Madrid, Cantoblanco, 28049, Madrid, Spain.,IMDEA-Nanociencia, Cantoblanco, 28049, Madrid, Spain
| | - João P C Tomé
- QOPNA, Department of Chemistry, University of Aveiro Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.,CQE, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais, 1049-001, Lisboa, Portugal
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20
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Junqueira Garcia MT, Pedralino Gonçalves T, São Félix Martins É, Silva Martins T, Carvalho de Abreu Fantini M, Regazi Minarini PR, Costa Fernandez S, Cassone Salata G, Biagini Lopes L. Improvement of cutaneous delivery of methylene blue by liquid crystals. Int J Pharm 2018; 548:454-465. [DOI: 10.1016/j.ijpharm.2018.07.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2018] [Revised: 06/28/2018] [Accepted: 07/01/2018] [Indexed: 10/28/2022]
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21
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Houang J, Perrone G, Mawad D, Boughton PC, Ruys AJ, Lauto A. Light treatments of nail fungal infections. JOURNAL OF BIOPHOTONICS 2018; 11:e201700350. [PMID: 29227574 DOI: 10.1002/jbio.201700350] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 12/07/2017] [Indexed: 06/07/2023]
Abstract
Nail fungal infections are notoriously persistent and difficult to treat which can lead to severe health impacts, particularly in the immunocompromized. Current antifungal treatments, including systemic and topical drugs, are prolonged and do not effectively provide a complete cure. Severe side effects are also associated with systemic antifungals, such as hepatotoxicity. Light treatments of onychomycosis are an emerging therapy that has localized photodynamic, photothermal or photoablative action. These treatments have shown to be an effective alternative to traditional antifungal remedies with comparable or better cure rates achieved in shorter times and without systemic side effects. This report reviews significant clinical and experimental studies in the field, highlighting mechanisms of action and major effects related to light therapy; in particular, the impact of light on fungal genetics.
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Affiliation(s)
- Jessica Houang
- Biomedical Engineering, School of Aerospace, Mechanical and Mechatronic Engineering, University of Sydney, Sydney, NSW, Australia
| | - Gabriel Perrone
- School of Science and Health, Western Sydney University, Penrith, NSW, Australia
| | - Damia Mawad
- School of Materials Science and Engineering, University of New South Wales, Kensington, NSW, Australia
- Australian Centre for NanoMedicine and ARC Centre of Excellence in Convergent BioNano Science and Technology, University of New South Wales, Sydney, NSW, Australia
- Centre for Advanced Macromolecular Design, University of New South Wales, Sydney, NSW, Australia
| | - Philip C Boughton
- Biomedical Engineering, School of Aerospace, Mechanical and Mechatronic Engineering, University of Sydney, Sydney, NSW, Australia
| | - Andrew J Ruys
- Biomedical Engineering, School of Aerospace, Mechanical and Mechatronic Engineering, University of Sydney, Sydney, NSW, Australia
| | - Antonio Lauto
- School of Science and Health, Western Sydney University, Penrith, NSW, Australia
- School of Medicine, Western Sydney University, Penrith, NSW, Australia
- Biomedical Engineering & Neuroscience Research Group, The MARCS Institute, Western Sydney University, Penrith, NSW, Australia
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22
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Baran TM. Photofrin ® photodynamic therapy with intratumor photosensitizer injection provides similar tumor response while reducing systemic skin photosensitivity: Pilot murine study. Lasers Surg Med 2017; 50:476-482. [PMID: 29214668 DOI: 10.1002/lsm.22774] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/23/2017] [Indexed: 12/18/2022]
Abstract
OBJECTIVES The goal of this study was to compare tumor response to Photofrin® photodynamic therapy using intravenous and intratumoral injection of photosensitizer. Systemic skin photosensitivity and photosensitizer distribution were also compared between the two delivery methods. METHODS SCCVII tumors were initiated in the hind legs of female C3H mice and grown to a volume of ∼1,000 mm3 . Photofrin® was delivered intravenously via the tail vein at a concentration of 2 mg/kg or intratumorally at concentrations ranging from 0.5-2 mg/kg. A 630 nm laser illumination was delivered via interstitial diffuser placement at a fluence rate of 400 mW/cm and fluence of 100 J/cm. Mice were maintained under normal room lighting for 24 hours after treatment, at which point photographs were captured for assessment of skin photosensitivity. Animals were then sacrificed, and their tumors were excised, sectioned, imaged, and stained with hematoxylin and eosin (H&E). H&E slides were imaged to assess necrosis post-PDT, and skin photographs were evaluated by two blinded reviewers for quantification of skin photosensitivity. Whole-body fluorescence imaging was performed before and after photodynamic therapy. RESULTS Tumor necrosis was not significantly different based on treatment group (P = 0.33), while skin photosensitivity was significantly reduced in animals that received Photofrin® intratumorally (P = 0.0005). Fluorescence imaging revealed similar photosensitizer fluorescence in excised tumors for intratumor and intravenous injection of Photofrin® (P = 0.48), although fluorescence decreased significantly with decreasing intratumor injection concentration (P= 0.01). CONCLUSIONS This pilot study shows that intratumoral administration of Photofrin® has the potential to produce similar tumor outcomes, while reducing systemic skin photosensitivity. Further studies are warranted to characterize and optimize intratumor delivery. Lasers Surg. 50:476-482, 2018. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Timothy M Baran
- Departments of Imaging Sciences and Biomedical Engineering, University of Rochester, 601 Elmwood Ave., Box 648, Rochester, New York, 14642
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23
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Gülmez AD, Göksel M, Durmuş M. Silicon(IV) phthalocyanine-biotin conjugates: Synthesis, photophysicochemical properties and in vitro biological activity for photodynamic therapy. J PORPHYR PHTHALOCYA 2017. [DOI: 10.1142/s1088424617500481] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Silicon (IV) phthalocyanines bearing one or two biotin groups on the axially positions were synthesized, and these novel phthalocyanines were characterized by elemental analysis and standard spectroscopic techniques such as FT-IR, [Formula: see text]H NMR, UV-vis and MALDI-TOF. The synthesized compounds are the first examples of axially biotin substituted silicon (IV) phthalocyanines. These phthalocyanines were designed as targeting photosensitizers for the treatment of cancer by photodynamic therapy (PDT) technique. The phthalocyanine ring was selected for its photosensitizer ability and the biotin group was selected as a targeting agent for increasing accumulation of these photosensitizers in tumor cells. The photophysical (fluorescence quantum yields and lifetimes) and photochemical (singlet oxygen generation) properties of the target silicon(IV) phthalocyanines were investigated in DMSO. The photosensitizing efficiency of the studied phthalocyanines was tested against human cervical cancer (HeLa) cells at different photosensitizer concentrations. Both axially mono- and bis-biotin substituted silicon(IV) phthalocyanines present high photocytotoxicity against HeLa cancer cells with the cell survival degree ranging from 13% to 50%. The photosensitivity and the intensity of damage were found to be directly related to the concentration of the used photosensitizers. According to the obtained results, both silicon(IV) phthalocyanine derivatives could be promising as photosensitizers for treatment of cancer by PDT technique.
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Affiliation(s)
| | - Meltem Göksel
- Gebze Technical University, Department of Chemistry, Gebze, 41400, Kocaeli, Turkey
- Kocaeli University, Kosekoy Vocational School, Kartepe, Kocaeli 41135, Turkey
| | - Mahmut Durmuş
- Gebze Technical University, Department of Chemistry, Gebze, 41400, Kocaeli, Turkey
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24
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Miranda D, Carter K, Luo D, Shao S, Geng J, Li C, Chitgupi U, Turowski SG, Li N, Atilla-Gokcumen GE, Spernyak JA, Lovell JF. Multifunctional Liposomes for Image-Guided Intratumoral Chemo-Phototherapy. Adv Healthc Mater 2017; 6:10.1002/adhm.201700253. [PMID: 28504409 PMCID: PMC5568974 DOI: 10.1002/adhm.201700253] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 04/07/2017] [Indexed: 12/11/2022]
Abstract
Intratumoral (IT) drug injections reduce systemic toxicity, but delivered volumes and distribution can be inconsistent. To improve IT delivery paradigms, porphyrin-phospholipid (PoP) liposomes are passively loaded with three hydrophilic cargos: sulforhodamine B, a fluorophore; gadolinium-gadopentetic acid, a magnetic resonance (MR) agent; and oxaliplatin, a colorectal cancer chemotherapeutic. Liposome composition is optimized so that cargo is retained in serum and storage, but is released in less than 1 min with exposure to near infrared light. Light-triggered release occurs with PoP-induced photooxidation of unsaturated lipids and all cargos release concurrently. In subcutaneous murine colorectal tumors, drainage of released cargo is delayed when laser treatment occurs 24 h after IT injection, at doses orders of magnitude lower than systemic ones. Delayed light-triggering results in substantial tumor shrinkage relative to controls a week following treatment, although regrowth occurs subsequently. MR imaging reveals that over this time frame, pools of liposomes within the tumor migrate to adjacent regions, possibly leading to altered spatial distribution during triggered drug release. Although further characterization of cargo loading and release is required, this proof-of-principle study suggests that multimodal theranostic IT delivery approaches hold potential to both guide injections and interpret outcomes, in particular when combined with chemo-phototherapy.
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Affiliation(s)
- Dyego Miranda
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY 14260, USA
| | - Kevin Carter
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY 14260, USA
| | - Dandan Luo
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY 14260, USA
| | - Shuai Shao
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY 14260, USA
| | - Jumin Geng
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY 14260, USA
| | - Changning Li
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY 14260, USA
| | - Upendra Chitgupi
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY 14260, USA
| | - Steven G Turowski
- Department of Pharmacology and Therapeutics, Roswell Park Cancer Institute, Buffalo NY 14263, USA
| | - Nasi Li
- Department of Chemistry, University at Buffalo, State University of New York, Buffalo, NY 14260, USA
| | - G. Ekin Atilla-Gokcumen
- Department of Chemistry, University at Buffalo, State University of New York, Buffalo, NY 14260, USA
| | - Joseph A Spernyak
- Department of Department of Cell Stress Biology, Roswell Park Cancer Institute, Buffalo, NY 14263, USA
| | - Jonathan F Lovell
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY 14260, USA
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25
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Ömeroğlu İ, Kaya EN, Göksel M, Kussovski V, Mantareva V, Durmuş M. Axially substituted silicon(IV) phthalocyanine and its quaternized derivative as photosensitizers towards tumor cells and bacterial pathogens. Bioorg Med Chem 2017; 25:5415-5422. [PMID: 28807573 DOI: 10.1016/j.bmc.2017.07.065] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2017] [Revised: 07/26/2017] [Accepted: 07/31/2017] [Indexed: 10/19/2022]
Abstract
Axially di-(alpha,alpha-diphenyl-4-pyridylmethoxy) silicon(IV) phthalocyanine (3) and its quaternized derivative (3Q) were synthesized and tested as photosensitizers against tumor and bacterial cells. These new phthalocyanines were characterized by elemental analysis, and different spectroscopic methods such as FT-IR, UV-Vis, MALDI-TOF and 1H NMR. The photophysical properties such as absorption and fluorescence, and the photochemical properties such as singlet oxygen generation of both phthalocyanines were investigated in solutions. The obtained values were compared to the values obtained with unsubstituted silicon(IV) phthalocyanine dichloride (SiPcCl2). The addition of two di-(alpha,alpha-diphenyl-4-pyridylmethanol) groups as axial ligands showed an improvement of the photophysical and photochemical properties and an increasement of the singlet oxygen quantum yield (ΦΔ) from 0.15 to 0.33 was determined. The photodynamic efficacy of synthesized photosensitizers (3 and 3Q) were evaluated with promising photocytotoxicity (17% cell survival for 3 and 28% for 3Q) against the cervical cancer cell line (HeLa). The photodynamic inactivation of pathogenic bacterial strains Streptococcus mutans, Staphylococcus aureus, and Pseudomonas aeruginosa suggested a high susceptibility with quaternized derivative (3Q). The both Gram-positive bacterial strains were fully photoinactivated with 11μM 3Q and mild light dose 50J.cm-2. In case of P. aeruginosa the effect was negligible for concentrations up to 22μM 3Q and light dose 100J.cm-2. The results suggested that the novel axially substituted silicon(IV) phthalocyanines have promising characteristic as photosensitizer towards tumor cells. The quaternized derivative 3Q has high potential for photoinactivation of pathogenic bacterial species.
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Affiliation(s)
- İpek Ömeroğlu
- Department of Chemistry, Gebze Technical University, Kocaeli 41400, Turkey
| | - Esra Nur Kaya
- Department of Chemistry, Gebze Technical University, Kocaeli 41400, Turkey
| | - Meltem Göksel
- Department of Chemistry, Gebze Technical University, Kocaeli 41400, Turkey; Kosekoy Vocational School, Kocaeli University, Kocaeli 41135, Turkey
| | - Vesselin Kussovski
- The Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, Bld. 26, Sofia 1113, Bulgaria
| | - Vanya Mantareva
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Bld. 26, Sofia 1113, Bulgaria
| | - Mahmut Durmuş
- Department of Chemistry, Gebze Technical University, Kocaeli 41400, Turkey.
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Galstyan A, Schiller R, Dobrindt U. Boronic Acid Functionalized Photosensitizers: A Strategy To Target the Surface of Bacteria and Implement Active Agents in Polymer Coatings. Angew Chem Int Ed Engl 2017; 56:10362-10366. [PMID: 28675648 DOI: 10.1002/anie.201703398] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 05/29/2017] [Indexed: 02/04/2023]
Abstract
Advanced methods for preventing and controlling hospital-acquired infections via eradication of free-floating bacteria and bacterial biofilms are of great interest. In this regard, the attractiveness of unconventional treatment modalities such as antimicrobial photodynamic therapy (aPDT) continues to grow. This study investigated a new and innovative strategy for targeting polysaccharides found on the bacterial cell envelope and the biofilm matrix using the boronic acid functionalized and highly effective photosensitizer (PS) silicon(IV) phthalocyanine. This strategy has been found to be successful in treating planktonic cultures and biofilms of Gram-negative E. coli. An additional advantage of boronic acid functionality is a possibility to anchor the tailor made PS to poly(vinyl alcohol) and to fabricate a self-disinfecting coating.
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Affiliation(s)
- Anzhela Galstyan
- Center for Nanotechnology, Physikalisches Institut, Westfälische Wilhelms-Universität Münster, Heisenbergstrasse 11, 48149, Münster, Germany
| | - Roswitha Schiller
- Institut für Hygiene, Westfälische Wilhelms-Universität Münster, Mendelstrasse 7, 48149, Münster, Germany
| | - Ulrich Dobrindt
- Institut für Hygiene, Westfälische Wilhelms-Universität Münster, Mendelstrasse 7, 48149, Münster, Germany
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Galstyan A, Schiller R, Dobrindt U. Boronic Acid Functionalized Photosensitizers: A Strategy To Target the Surface of Bacteria and Implement Active Agents in Polymer Coatings. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201703398] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Anzhela Galstyan
- Center for Nanotechnology, Physikalisches Institut; Westfälische Wilhelms-Universität Münster; Heisenbergstrasse 11 48149 Münster Germany
| | - Roswitha Schiller
- Institut für Hygiene; Westfälische Wilhelms-Universität Münster; Mendelstrasse 7 48149 Münster Germany
| | - Ulrich Dobrindt
- Institut für Hygiene; Westfälische Wilhelms-Universität Münster; Mendelstrasse 7 48149 Münster Germany
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Synthesis, Photophysical and Photochemical Properties of a Set of Silicon Phthalocyanines Bearing Anti-Inflammatory Groups. J Fluoresc 2016; 27:407-416. [PMID: 27858301 DOI: 10.1007/s10895-016-1969-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Accepted: 11/03/2016] [Indexed: 01/19/2023]
Abstract
In this study, a series of novel silicon (IV) phthalocyanines conjugated axially with anti-inflammatory (sulindac) and triethylene glycol groups has been synthesized. Different synthetic strategies were attempted to obtain the targeted molecules in high yield. The compounds were fully characterized by using different analyses techniques. Our objectives were to generate a system with sulindac group which enhances the singlet oxygen generation and exhibits anti-cancer effect. Therefore, photophysical and photochemical properties of these compounds were investigated in different solvents. The substituent effect on fluorescence quantum yield and singlet oxygen generation was evaluated for efficiency in photodynamic therapy (PDT) as photosensitizer. The molecules exhibited no aggregation tendency, solubility in common organic solvents, high singlet oxygen quantum yield and high photostability in DMSO so these favourable properties make them good candidates as photosensitizer for PDT. In addition, their stabilities were investigated in DMSO, THF, acetonitrile and DMF.
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Self-assembled IR780-loaded transferrin nanoparticles as an imaging, targeting and PDT/PTT agent for cancer therapy. Sci Rep 2016; 6:27421. [PMID: 27263444 PMCID: PMC4899881 DOI: 10.1038/srep27421] [Citation(s) in RCA: 183] [Impact Index Per Article: 22.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Accepted: 05/18/2016] [Indexed: 12/22/2022] Open
Abstract
Combination of photothermal and photodynamic therapy (PTT/PDT) offer unique advantages over PDT alone. However, to achieve synergetic PDT/PTT effect, one generally needs two lasers with different wavelengths. Near-infrared dye IR-780 could be used as photosensitizer both for PTT and PDT, but its lipophilicity limits its practical use and in vivo efficiency. Herein, a simple multifunctional IR780-loaded nanoplatform based on transferrin was developed for targeted imaging and phototherapy of cancer compatible with a single-NIR-laser irradiation. The self-assembled transferrin-IR780 nanoparticles (Tf-IR780 NPs) exhibited narrow size distribution, good photo-stability, and encouraging photothermal performance with enhanced generation of ROS under laser irradiation. Following intravenous injection, Tf-IR780 NPs had a high tumor-to-background ratio in CT26 tumor-bearing mice. Treatment with Tf-IR780 NPs resulted in significant tumor suppression. Overall, the Tf-IR780 NPs show notable targeting and theranostic potential in cancer therapy.
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Soler DC, Ohtola J, Sugiyama H, Rodriguez ME, Han L, Oleinick NL, Lam M, Baron ED, Cooper KD, McCormick TS. Activated T cells exhibit increased uptake of silicon phthalocyanine Pc 4 and increased susceptibility to Pc 4-photodynamic therapy-mediated cell death. Photochem Photobiol Sci 2016; 15:822-31. [PMID: 27161819 DOI: 10.1039/c6pp00058d] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Photodynamic therapy (PDT) is an emerging treatment for malignant and inflammatory dermal disorders. Photoirradiation of the silicon phthalocyanine (Pc) 4 photosensitizer with red light generates singlet oxygen and other reactive oxygen species to induce cell death. We previously reported that Pc 4-PDT elicited cell death in lymphoid-derived (Jurkat) and epithelial-derived (A431) cell lines in vitro, and furthermore that Jurkat cells were more sensitive than A431 cells to treatment. In this study, we examined the effectiveness of Pc 4-PDT on primary human CD3(+) T cells in vitro. Fluorometric analyses of lysed T cells confirmed the dose-dependent uptake of Pc 4 in non-stimulated and stimulated T cells. Flow cytometric analyses measuring annexin V and propidium iodide (PI) demonstrated a dose-dependent increase of T cell apoptosis (6.6-59.9%) at Pc 4 doses ranging from 0-300 nM. Following T cell stimulation through the T cell receptor using a combination of anti-CD3 and anti-CD28 antibodies, activated T cells exhibited increased susceptibility to Pc 4-PDT-induced apoptosis (10.6-81.2%) as determined by Pc 4 fluorescence in each cell, in both non-stimulated and stimulated T cells, Pc 4 uptake increased with Pc 4 dose up to 300 nM as assessed by flow cytometry. The mean fluorescence intensity (MFI) of Pc 4 uptake measured in stimulated T cells was significantly increased over the uptake of resting T cells at each dose of Pc 4 tested (50, 100, 150 and 300 nM, p < 0.001 between 50 and 150 nM, n = 8). Treg uptake was diminished relative to other T cells. Cutaneous T cell lymphoma (CTCL) T cells appeared to take up somewhat more Pc 4 than normal resting T cells at 100 and 150 nm Pc 4. Confocal imaging revealed that Pc 4 localized in cytoplasmic organelles, with approximately half of the Pc 4 co-localized with mitochondria in T cells. Thus, Pc 4-PDT exerts an enhanced apoptotic effect on activated CD3(+) T cells that may be exploited in targeting T cell-mediated skin diseases, such as cutaneous T cell lymphoma (CTCL) or psoriasis.
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Affiliation(s)
- David C Soler
- Department of Dermatology, Case Western Reserve University, University Hospitals Case Medical Center, Cleveland, OH, USA.
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Galstyan A, Block D, Niemann S, Grüner MC, Abbruzzetti S, Oneto M, Daniliuc CG, Hermann S, Viappiani C, Schäfers M, Löffler B, Strassert CA, Faust A. Labeling and Selective Inactivation of Gram-Positive Bacteria Employing Bimodal Photoprobes with Dual Readouts. Chemistry 2016; 22:5243-52. [PMID: 26929124 DOI: 10.1002/chem.201504935] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Indexed: 01/17/2023]
Abstract
Carbohydrate-conjugated silicon(IV) phthalocyanines with bimodal photoactivity were developed as probes with both fluorescent labeling and photosensitizing capabilities, and the concomitant fluorescent labeling and photoinduced inactivation of Gram-positive and Gram-negative models was explored. The maltohexaose-conjugated photoprobe provides a dual readout to distinguish between both groups of pathogens, as only the Gram-positive species was inactivated, even though both appeared labeled with near-infrared luminescence. Antibiotic resistance did not hinder the phototoxic effect, as even the methicillin-resistant pathogen Staphylococcus aureus (MRSA) was completely photoinactivated. Time-resolved confocal fluorescence microscopy analysis suggests that the photoprobe sticks onto the outer rim of the microorganisms, explaining the resistance of Gram-negative species on the basis of their membrane constitution. The mannose-conjugated photoprobe yields a different readout because it is able to label and to inactivate only the Gram-positive strain.
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Affiliation(s)
- Anzhela Galstyan
- European Institute for Molecular Imaging, Waldeyerstr. 15, 48149, Münster, Germany. .,Physikalisches Institut and Center for Nanotechnology (CeNTech), Westfälische Wilhelms-Universität Münster, Heisenbergstr. 11, 48149, Münster, Germany.
| | - Desiree Block
- Institut für Medizinische Mikrobiologie, Universitätsklinikum Münster, Domagkstr. 10, 48149, Münster, Germany
| | - Silke Niemann
- Institut für Medizinische Mikrobiologie, Universitätsklinikum Münster, Domagkstr. 10, 48149, Münster, Germany
| | - Malte C Grüner
- Physikalisches Institut and Center for Nanotechnology (CeNTech), Westfälische Wilhelms-Universität Münster, Heisenbergstr. 11, 48149, Münster, Germany
| | - Stefania Abbruzzetti
- Dip. di Bioscienze Università degli Studi di Parma, NEST, Istituto Nanoscienze CNR, viale delle Scienze 11A, 43124, Parma, Italia
| | - Michele Oneto
- Fondazione Istituto Italiano di Tecnologia, Via Morego, 30, 16163, Genova, Italy
| | - Constantin G Daniliuc
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstr. 40, 48149, Münster, Germany
| | - Sven Hermann
- European Institute for Molecular Imaging, Waldeyerstr. 15, 48149, Münster, Germany
| | - Cristiano Viappiani
- Dip. di Fisica e Scienze della Terra, Università degli Studi di Parma, NEST, Istituto Nanoscienze CNR, viale delle Scienze 7A, 43124, Parma, Italia
| | - Michael Schäfers
- European Institute for Molecular Imaging, Waldeyerstr. 15, 48149, Münster, Germany.,Klinik für Nuklearmedizin, Universitätsklinikum Münster, Albert Schweitzer-Campus 1, 48149, Münster, Germany
| | - Bettina Löffler
- Institut für Medizinische Mikrobiologie, Universitätsklinikum Jena, Erlanger Allee 101, 07747, Jena, Germany
| | - Cristian A Strassert
- Physikalisches Institut and Center for Nanotechnology (CeNTech), Westfälische Wilhelms-Universität Münster, Heisenbergstr. 11, 48149, Münster, Germany.
| | - Andreas Faust
- European Institute for Molecular Imaging, Waldeyerstr. 15, 48149, Münster, Germany.
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Topkaya D, Lafont D, Poyer F, Garcia G, Albrieux F, Maillard P, Bretonnière Y, Dumoulin F. Design of an amphiphilic porphyrin exhibiting high in vitro photocytotoxicity. NEW J CHEM 2016. [DOI: 10.1039/c5nj02716k] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A promising photosensitiser, which exhibits extremely suitable properties for photodynamic applications is described.
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Affiliation(s)
- Derya Topkaya
- Gebze Technical University
- Department of Chemistry
- 41400 Gebze Kocaeli
- Turkey
- University of Dokuz Eylül
| | - Dominique Lafont
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires
- CO2-Glyco
- UMR 5246
- CNRS
- Université Claude Bernard Lyon 1
| | - Florent Poyer
- Institut Curie
- Research Center
- Chemistry
- Modelisation and Imaging for Biology (CMIB) Bât 110-112
- Centre Universitaire
| | - Guillaume Garcia
- Institut Curie
- Research Center
- Chemistry
- Modelisation and Imaging for Biology (CMIB) Bât 110-112
- Centre Universitaire
| | - Florian Albrieux
- Centre Commun de Spectrométrie de Masse UMR 5246
- CNRS-Claude Bernard Lyon 1
- Université de Lyon
- 69622 Villeurbanne Cedex
- France
| | - Philippe Maillard
- Institut Curie
- Research Center
- Chemistry
- Modelisation and Imaging for Biology (CMIB) Bât 110-112
- Centre Universitaire
| | - Yann Bretonnière
- ENS Lyon
- Université de Lyon
- Laboratoire de Chimie de l’ENS Lyon
- UMR 5182 CNRS-ENS Lyon
- 69364 Lyon
| | - Fabienne Dumoulin
- Gebze Technical University
- Department of Chemistry
- 41400 Gebze Kocaeli
- Turkey
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33
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Enhanced triplet state parameters for zinc carboxy phenoxy phthalocyanine following conjugation to ascorbic acid: Effects of adsorption on single walled carbon nanotubes. Polyhedron 2015. [DOI: 10.1016/j.poly.2015.01.032] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Ongarora BG, Zhou Z, Okoth EA, Kolesnichenko I, Smith KM, Vicente MGH. Synthesis, spectroscopic, and cellular properties of α-pegylated cis-A 2B 2- and A 3B-types ZnPcs. J PORPHYR PHTHALOCYA 2014; 18:1021-1033. [PMID: 26064037 DOI: 10.1142/s1088424614500849] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
A series of pegylated cis-A2B2- or A3B-type ZnPcs, substituted on the α-positions with tri(ethylene glycol) and hydroxyl groups, were synthesized from a new bis-phthalonitrile. A clamshell-type bis-phthalocyanine was also obtained as a byproduct. The hydroxyl group of one ZnPc was alkylated with 3-dimethylaminopropyl chloride to afford a pegylated ZnPc functionalized with an amine group. All mononuclear ZnPcs were soluble in polar organic solvents, showed intense Q absorptions in DMF, and had fluorescence quantum yields in the range 0.10-0.23. The clamshell-type bis-phthalocyanine adopts mainly open shell conformations in DMF, and closed clamshell conformations in chloroform. All ZnPcs were highly phototoxic to human carcinoma HEp2 cells, particularly the amino-ZnPc mainly protonated under physiological conditions, which showed the highest phototoxicity (IC50 = 0.5 μM at 1.5 J/cm2) and dark cytotoxicity (IC50 = 22 μM), in part due to its high cellular uptake. The ZnPcs localized in multiple organelles, including mitochondria, lysosomes, Golgi and ER.
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Affiliation(s)
- Benson G Ongarora
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Zehua Zhou
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Elizabeth A Okoth
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Igor Kolesnichenko
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Kevin M Smith
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA
| | - M Graça H Vicente
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA
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Tekdaş DA, Gürek AG, Ahsen V. Asymmetric zinc phthalocyanines substituted with a single carboxyl and triethyleneoxysulfonyl groups: synthesis, characterization and validation for photodynamic therapy. J PORPHYR PHTHALOCYA 2014. [DOI: 10.1142/s1088424614500709] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
This work describes modular pathway towards the synthesis of new specific unsymmetrically (AB3) zinc phthalocyanines that contains three polyoxy ethylene and monocarboxylic acid groups as photosensitizers. Their photophysical and photochemical properties are studied. General trends are described for quantum yields of fluorescence, photodegradation and singlet oxygen quantum yields of these compounds. Therefore, these novel phthalocyanines could potentially be good photosensitizers for photodynamic therapy.
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Affiliation(s)
- Duygu Aydın Tekdaş
- Gebze Institute of Technology, Department of Chemistry, P.O. Box 141, Gebze, Kocaeli 41400, Turkey
| | - Ayşe G. Gürek
- Gebze Institute of Technology, Department of Chemistry, P.O. Box 141, Gebze, Kocaeli 41400, Turkey
| | - Vefa Ahsen
- Gebze Institute of Technology, Department of Chemistry, P.O. Box 141, Gebze, Kocaeli 41400, Turkey
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Tardivo JP, Adami F, Correa JA, Pinhal MAS, Baptista MS. A clinical trial testing the efficacy of PDT in preventing amputation in diabetic patients. Photodiagnosis Photodyn Ther 2014; 11:342-50. [DOI: 10.1016/j.pdpdt.2014.04.007] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2013] [Revised: 04/12/2014] [Accepted: 04/18/2014] [Indexed: 01/22/2023]
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Wang D, Fei B, Halig LV, Qin X, Hu Z, Xu H, Wang YA, Chen Z, Kim S, Shin DM, Chen Z(G. Targeted iron-oxide nanoparticle for photodynamic therapy and imaging of head and neck cancer. ACS NANO 2014; 8:6620-32. [PMID: 24923902 PMCID: PMC4155749 DOI: 10.1021/nn501652j] [Citation(s) in RCA: 87] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2013] [Accepted: 06/12/2014] [Indexed: 05/21/2023]
Abstract
Photodynamic therapy (PDT) is a highly specific anticancer treatment modality for various cancers, particularly for recurrent cancers that no longer respond to conventional anticancer therapies. PDT has been under development for decades, but light-associated toxicity limits its clinical applications. To reduce the toxicity of PDT, we recently developed a targeted nanoparticle (NP) platform that combines a second-generation PDT drug, Pc 4, with a cancer targeting ligand, and iron oxide (IO) NPs. Carboxyl functionalized IO NPs were first conjugated with a fibronectin-mimetic peptide (Fmp), which binds integrin β1. Then the PDT drug Pc 4 was successfully encapsulated into the ligand-conjugated IO NPs to generate Fmp-IO-Pc 4. Our study indicated that both nontargeted IO-Pc 4 and targeted Fmp-IO-Pc 4 NPs accumulated in xenograft tumors with higher concentrations than nonformulated Pc 4. As expected, both IO-Pc 4 and Fmp-IO-Pc 4 reduced the size of HNSCC xenograft tumors more effectively than free Pc 4. Using a 10-fold lower dose of Pc 4 than that reported in the literature, the targeted Fmp-IO-Pc 4 NPs demonstrated significantly greater inhibition of tumor growth than nontargeted IO-Pc 4 NPs. These results suggest that the delivery of a PDT agent Pc 4 by IO NPs can enhance treatment efficacy and reduce PDT drug dose. The targeted IO-Pc 4 NPs have great potential to serve as both a magnetic resonance imaging (MRI) agent and PDT drug in the clinic.
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Affiliation(s)
- Dongsheng Wang
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Department of Radiology and Imaging Sciences, and Department of Biostatistics and Bioinformatics, Emory University School of Medicine, Atlanta, Georgia 30322, United States
| | - Baowei Fei
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Department of Radiology and Imaging Sciences, and Department of Biostatistics and Bioinformatics, Emory University School of Medicine, Atlanta, Georgia 30322, United States
- Department of Biomedical Engineering, Emory University and Georgia Institute of Technology, Atlanta, Georgia 30322, United States
- Address correspondence to ,
| | - Luma V. Halig
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Department of Radiology and Imaging Sciences, and Department of Biostatistics and Bioinformatics, Emory University School of Medicine, Atlanta, Georgia 30322, United States
| | - Xulei Qin
- Department of Biomedical Engineering, Emory University and Georgia Institute of Technology, Atlanta, Georgia 30322, United States
| | - Zhongliang Hu
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Department of Radiology and Imaging Sciences, and Department of Biostatistics and Bioinformatics, Emory University School of Medicine, Atlanta, Georgia 30322, United States
| | - Hong Xu
- Ocean NanoTech LLC, San Diego, California 92126, United States
| | | | - Zhengjia Chen
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Department of Radiology and Imaging Sciences, and Department of Biostatistics and Bioinformatics, Emory University School of Medicine, Atlanta, Georgia 30322, United States
- Biostatistics and Bioinformatics Shared Resource at Winship Cancer Institute, Emory University, Atlanta, Georgia 30322, United States
| | - Sungjin Kim
- Biostatistics and Bioinformatics Shared Resource at Winship Cancer Institute, Emory University, Atlanta, Georgia 30322, United States
| | - Dong M. Shin
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Department of Radiology and Imaging Sciences, and Department of Biostatistics and Bioinformatics, Emory University School of Medicine, Atlanta, Georgia 30322, United States
| | - Zhuo (Georgia) Chen
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Department of Radiology and Imaging Sciences, and Department of Biostatistics and Bioinformatics, Emory University School of Medicine, Atlanta, Georgia 30322, United States
- Address correspondence to ,
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Samy NA, Salah MM, Ali MF, Sadek AM. Effect of methylene blue-mediated photodynamic therapy for treatment of basal cell carcinoma. Lasers Med Sci 2014; 30:109-15. [PMID: 25030404 DOI: 10.1007/s10103-014-1609-1] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2013] [Accepted: 06/03/2014] [Indexed: 10/25/2022]
Abstract
Photodynamic therapy (PDT) is regarded as a treatment option for basal cell carcinoma (BCC). The aim of this study is to investigate the efficacy of methylene blue (MB)-based PDT in patients suffering from nodular or ulcerative BCCs. This study is a prospective clinical trial with a 6-months follow-up. The study setting is at the Dermatology Clinic at NILES, Cairo University, Egypt. Seventeen patients complaining of nodular BCC (nBCC) and three patients complaining of ulcerative BCC (uBCC) were taken as samples. Methylene blue, the photosensitizer, was prepared in two different formulas: liposomal-loaded MB (LMB) was prepared and formulated in hydrogel (MB 0.2%) to be used topically alone for treating BCCs <2 cm in diameter or to be combined with intralesional injection (ILI) of free MB 2% aqueous solution for treating BCCs ≥2 cm in diameter. A session was performed every 2 weeks until complete response (CR) of the lesion or for a maximum of six sessions. Clinical assessments of clinical improvement, dermatological photography, monthly follow-up visits for 6 months, and skin biopsy after 3 months of follow-up to confirm the response, recurrence, or both in cases in which the clinical evaluation was ambiguous. Seventeen patients of the 20 completed the study, 11 patients achieved CR with very good cosmetic outcome, photosensitizer tolerance, and minimal reported side effects. MB is a cheap promising alternative photosensitizer for PDT of nBCC.
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Affiliation(s)
- Nevien A Samy
- Dermatology Unit, Department of Medical Applications of Laser, National Institute of Laser Enhanced Sciences (NILES), Cairo University, Cairo, Egypt,
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Abstract
INTRODUCTION Photodynamic therapy for psoriasis showed promise in the early 1990s with reports of plaque clearance following topical aminolevulinic acid - photodynamic therapy (ALA-PDT). METHODS In December 2013, we conducted a systematic search of the PubMed Medline database using the keywords "psoriasis" and "photodynamic therapy". RESULTS Numerous clinical studies have failed to demonstrate a consistent, efficacious response to topical ALA-PDT. Furthermore, severe pain and burning sensations were repeatedly reported, many cases being intolerable for patients. DISCUSSION The variability in clinical response and the painful side effects have made topical ALA-PDT an unsuitable treatment option for chronic plaque psoriasis. Nonetheless, early clinical studies of other modalities such as topical hypericin and methylene blue, as well as systemic ALA and verteporfin, have shown that these photosensitizers are efficacious and much better tolerated than topical ALA. CONCLUSION With the current landscape of phototherapy dominated by psoralen combined with ultraviolet A (PUVA) and narrow-band ultraviolet B (NB-UVB), an alternative light therapy utilizing the visible spectrum is certainly promising and a worthwhile endeavor to pursue.
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Affiliation(s)
- Young M Choi
- David Geffen School of Medicine , UCLA, Los Angeles, CA , USA and
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40
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Managa M, Idowu MA, Antunes E, Nyokong T. Photophysicochemical behavior and antimicrobial activity of dihydroxosilicon tris(diaquaplatinum)octacarboxyphthalocyanine. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2014; 125:147-153. [PMID: 24534426 DOI: 10.1016/j.saa.2014.01.087] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2013] [Revised: 01/14/2014] [Accepted: 01/22/2014] [Indexed: 06/03/2023]
Abstract
Platination of dihydroxosilicon octacarboxyphthalocyanine (OH)2SiOCPc was successfully carried out to give dihydroxosilicon tris(diaquaplatinum)octacarboxyphthalocyanine (OH)2SiOCPc(Pt)3 conjugate. Slight blue shifting of the absorption spectrum of (OH)2SiOCPc(Pt)3 was observed on conjugation with platinum. Comparative photophysicochemical behavior and antimicrobial photo-activities of (OH)2SiOCPc(Pt)3 conjugate with (OH)2SiOCPc or Pt nanoparticles revealed that the heavy atom, Pt on the periphery of the phthalocyanine significantly enhanced its singlet oxygen generation with a quantum yield of 0.56 obtained for the (OH)2SiOCPc(Pt)3 conjugate. The (OH)2SiOCPc(Pt)3 conjugate showed highest antimicrobial activity towards Candida albicans and Escherichia coli compared to (OH)2SiOCPc and Pt nanoparticles alone under illumination.
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Affiliation(s)
- Muthumuni Managa
- Department of Chemistry, Rhodes University, P.O. Box 94, Grahamstown 6140, South Africa
| | - Mopelola Abidemi Idowu
- Department of Chemistry, Rhodes University, P.O. Box 94, Grahamstown 6140, South Africa; Department of Chemistry, Federal University of Agriculture, P.M.B. 2240, Abeokuta, Nigeria.
| | - Edith Antunes
- Department of Chemistry, Rhodes University, P.O. Box 94, Grahamstown 6140, South Africa
| | - Tebello Nyokong
- Department of Chemistry, Rhodes University, P.O. Box 94, Grahamstown 6140, South Africa
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41
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Carter KA, Shao S, Hoopes MI, Luo D, Ahsan B, Grigoryants VM, Song W, Huang H, Zhang G, Pandey RK, Geng J, Pfeifer BA, Scholes CP, Ortega J, Karttunen M, Lovell JF. Porphyrin-phospholipid liposomes permeabilized by near-infrared light. Nat Commun 2014; 5:3546. [PMID: 24699423 PMCID: PMC3988818 DOI: 10.1038/ncomms4546] [Citation(s) in RCA: 246] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2013] [Accepted: 03/03/2014] [Indexed: 12/12/2022] Open
Abstract
The delivery of therapeutic compounds to target tissues is a central challenge in treating disease. Externally controlled drug release systems hold potential to selectively enhance localized delivery. Here we describe liposomes doped with porphyrin–phospholipid that are permeabilized directly by near-infrared light. Molecular dynamics simulations identified a novel light-absorbing monomer esterified from clinically approved components predicted and experimentally demonstrated to give rise to a more stable porphyrin bilayer. Light-induced membrane permeabilization is enabled with liposomal inclusion of 10 molar % porphyrin–phospholipid and occurs in the absence of bulk or nanoscale heating. Liposomes reseal following laser exposure and permeability is modulated by varying porphyrin–phospholipid doping, irradiation intensity or irradiation duration. Porphyrin–phospholipid liposomes demonstrate spatial control of release of entrapped gentamicin and temporal control of release of entrapped fluorophores following intratumoral injection. Following systemic administration, laser irradiation enhances deposition of actively loaded doxorubicin in mouse xenografts, enabling an effective single-treatment antitumour therapy. The delivery of therapeutics using an external trigger is an attractive route for the improvement of targeted disease treatment. Here, the authors have discovered a porphyrin–phospholipid liposome for light-controlled membrane permeabilization and use the system to deliver an anticancer drug in vivo.
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Affiliation(s)
- Kevin A Carter
- 1] Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA [2] Department of Chemical and Biological Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
| | - Shuai Shao
- 1] Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA [2] Department of Chemical and Biological Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
| | - Matthew I Hoopes
- Department of Chemistry and Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1
| | - Dandan Luo
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
| | - Bilal Ahsan
- Department of Biochemistry and Biomedical Sciences and M. G. DeGroote Institute for Infectious Diseases Research, McMaster University, Hamilton, Ontario, Canada L8S4L8
| | - Vladimir M Grigoryants
- Department of Chemistry, University at Albany, State University of New York, Albany, New York 12222, USA
| | - Wentao Song
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
| | - Haoyuan Huang
- 1] Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA [2] Department of Chemical and Biological Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
| | - Guojian Zhang
- Department of Chemical and Biological Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
| | - Ravindra K Pandey
- PDT Center, Roswell Park Cancer Institute, Buffalo, New York 14263, USA
| | - Jumin Geng
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
| | - Blaine A Pfeifer
- Department of Chemical and Biological Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
| | - Charles P Scholes
- Department of Chemistry, University at Albany, State University of New York, Albany, New York 12222, USA
| | - Joaquin Ortega
- Department of Biochemistry and Biomedical Sciences and M. G. DeGroote Institute for Infectious Diseases Research, McMaster University, Hamilton, Ontario, Canada L8S4L8
| | - Mikko Karttunen
- Department of Chemistry and Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1
| | - Jonathan F Lovell
- 1] Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA [2] Department of Chemical and Biological Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
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42
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Vummidi BR, Noreen F, Alzeer J, Moelling K, Luedtke NW. Photodynamic agents with anti-metastatic activities. ACS Chem Biol 2013; 8:1737-46. [PMID: 23672401 DOI: 10.1021/cb400008t] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A new concept in multifunctional anticancer agents is demonstrated. Tetrakis-(diisopropyl-guanidino) zinc phthalocyanine (Zn-DIGP) exhibits excellent properties as a photodynamic therapy (PDT) agent, as well as potential anti-metastatic activities in vivo. Zn-DIGP exhibits good cellular uptake and low toxicity in the dark (EC50 > 80 μM) and is well tolerated upon its intravenous injection into mice at 8 mg/kg. Upon photoexcitation with red laser light (660 nm), Zn-DIGP exhibits a high quantum yield for singlet oxygen formation (Φ ≈ 0.51) that results in potent phototoxicity to cell cultures (EC50 ≈ 0.16 μM). Zn-DIGP is also capable of inhibiting the formation of tumor colonies in the lungs of C57BL/6 mice injected with B16F10 cells. Zn-DIGP therefore inhibits cancer growth by both light-dependent and light-independent pathways. The anti-metastatic activities of Zn-DIGP possibly result from its ability to interfere with the signaling between chemokine CXCL10 and the G protein-coupled receptor CXCR3. Zn-DIGP is a competitive inhibitor of CXCR3 activation (IC50 = 3.8 μM) and selectively inhibits downstream events such as CXCL10-activated cell migration. Consistent with the presence of feedback regulation between CXCR3 binding and CXCL10 expression, Zn-DIGP causes overexpression of CXCL10. Interestingly, Zn-DIGP binds to CXCR3 without activating the receptor yet is able to cause endocytosis and degradation of this GPCR. To the best of our knowledge, Zn-DIGP is the first PDT agent that can facilitate the photodynamic treatment of primary tumors while simultaneously inhibiting the formation of metastatic tumor colonies by a light-independent mode of action.
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Affiliation(s)
- Balayeshwanth R. Vummidi
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057
Zurich, Switzerland
| | - Faiza Noreen
- Institute
of Medical Virology, University of Zurich, Gloriastrasse 30, CH-8006 Zurich,
Switzerland
| | - Jawad Alzeer
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057
Zurich, Switzerland
| | - Karin Moelling
- Institute
of Medical Virology, University of Zurich, Gloriastrasse 30, CH-8006 Zurich,
Switzerland
| | - Nathan W. Luedtke
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057
Zurich, Switzerland
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44
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Anand S, Ortel BJ, Pereira SP, Hasan T, Maytin EV. Biomodulatory approaches to photodynamic therapy for solid tumors. Cancer Lett 2012; 326:8-16. [PMID: 22842096 DOI: 10.1016/j.canlet.2012.07.026] [Citation(s) in RCA: 112] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2012] [Revised: 07/19/2012] [Accepted: 07/19/2012] [Indexed: 12/12/2022]
Abstract
Photodynamic Therapy (PDT) uses a photosensitizing drug in combination with visible light to kill cancer cells. PDT has an advantage over surgery or ionizing radiation because PDT can eliminate tumors without causing fibrosis or scarring. Disadvantages include the dual need for drug and light, and a generally lower efficacy for PDT vs. surgery. This minireview describes basic principles of PDT, photosensitizers available, and aspects of tumor biology that may provide further opportunities for treatment optimization. An emerging biomodulatory approach, using methotrexate or Vitamin D in combination with aminolevulinate-based PDT, is described. Finally, current clinical uses of PDT for solid malignancies are reviewed.
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Affiliation(s)
- Sanjay Anand
- Department of Dermatology, Cleveland Clinic, Cleveland, OH 44195, USA
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Baran TM, Foster TH. Fluence rate-dependent photobleaching of intratumorally administered Pc 4 does not predict tumor growth delay. Photochem Photobiol 2012; 88:1273-9. [PMID: 22582826 DOI: 10.1111/j.1751-1097.2012.01171.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We examined effects of fluence rate on the photobleaching of the photosensitizer Pc 4 during photodynamic therapy (PDT) and the relationship between photobleaching and tumor response to PDT. BALB/c mice with intradermal EMT6 tumors were given 0.03 mg kg(-1) Pc 4 by intratumor injection and irradiated at 667 nm with an irradiance of 50 or 150 mW cm(-2) to a fluence of 100 J cm(-2). While no cures were attained, significant tumor growth delay was demonstrated at both irradiances compared with drug-only controls. There was no significant difference in tumor responses to these two irradiances (P = 0.857). Fluorescence spectroscopy was used to monitor the bleaching of Pc 4 during irradiation, with more rapid bleaching with respect to fluence shown at the higher irradiance. No significant correlation was found between fluorescence photobleaching and tumor regrowth for the data interpreted as a whole. Within each treatment group, weak associations between photobleaching and outcome were observed. In the 50 mW cm(-2) group, enhanced photobleaching was associated with prolonged growth delay (P = 0.188), while at 150 mW cm(-2) this trend was reversed (P = 0.308). Thus, it appears that Pc 4 photobleaching is not a strong predictor of individual tumor response to Pc 4-PDT under these treatment conditions.
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Affiliation(s)
- Timothy M Baran
- The Institute of Optics, University of Rochester, Rochester, NY, USA
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46
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Lam M, Jou PC, Lattif AA, Lee Y, Malbasa CL, Mukherjee PK, Oleinick NL, Ghannoum MA, Cooper KD, Baron ED. Photodynamic therapy with Pc 4 induces apoptosis of Candida albicans. Photochem Photobiol 2011; 87:904-9. [PMID: 21521233 PMCID: PMC3139787 DOI: 10.1111/j.1751-1097.2011.00938.x] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
The high prevalence of drug resistance necessitates the development of novel antifungal agents against infections caused by opportunistic fungal pathogens, such as Candida albicans. Elucidation of apoptosis in yeast-like fungi may provide a basis for future therapies. In mammalian cells, photodynamic therapy (PDT) has been demonstrated to generate reactive oxygen species, leading to immediate oxidative modifications of biological molecules and resulting in apoptotic cell death. In this report, we assess the in vitro cytotoxicity and mechanism of PDT, using the photosensitizer Pc 4, in planktonic C. albicans. Confocal image analysis confirmed that Pc 4 localizes to cytosolic organelles, including mitochondria. A colony formation assay showed that 1.0 μM Pc 4 followed by light at 2.0 J cm(-2) reduced cell survival by 4 logs. XTT (2,3-bis[2-methoxy-4-nitro-5-sulfophenyl]-2H-tetrazolium-5-carboxyanilide) assay revealed that Pc 4-PDT impaired fungal metabolic activity, which was confirmed using the FUN-1 (2-chloro-4-[2,3-dihydro-3-methyl-(benzo-1,3-thiazol-2-yl)-methylidene]-1-phenylquinolinium iodide) fluorescence probe. Furthermore, we observed changes in nuclear morphology characteristic of apoptosis, which were substantiated by increased externalization of phosphatidylserine and DNA fragmentation following Pc 4-PDT. These data indicate that Pc 4-PDT can induce apoptosis in C. albicans. Therefore, a better understanding of the process will be helpful, as PDT may become a useful treatment option for candidiasis.
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Affiliation(s)
- Minh Lam
- Department of Dermatology, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
- Case Comprehensive Cancer Center, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
- Case Skin Diseases Research Center, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
| | - Paul C. Jou
- Department of Dermatology, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
| | - Ali A. Lattif
- Center for Medical Mycology, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
| | - Yoojin Lee
- Department of Dermatology, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
| | - Christi L. Malbasa
- Department of Dermatology, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
- Case Skin Diseases Research Center, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
| | - Pranab K. Mukherjee
- Department of Dermatology, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
- Center for Medical Mycology, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
| | - Nancy L. Oleinick
- Case Comprehensive Cancer Center, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
- Department of Radiation Oncology, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
| | - Mahmoud A. Ghannoum
- Department of Dermatology, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
- Case Skin Diseases Research Center, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
- Center for Medical Mycology, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
- Department of Dermatology, Cleveland Veterans Affairs Medical Center, Cleveland, OH 44106, USA
| | - Kevin D. Cooper
- Department of Dermatology, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
- Case Comprehensive Cancer Center, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
- Case Skin Diseases Research Center, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
- Department of Dermatology, Cleveland Veterans Affairs Medical Center, Cleveland, OH 44106, USA
| | - Elma D. Baron
- Department of Dermatology, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
- Case Comprehensive Cancer Center, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
- Case Skin Diseases Research Center, University Hospitals Case Medical Center, 11100 Euclid Avenue, and Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106, USA
- Department of Dermatology, Cleveland Veterans Affairs Medical Center, Cleveland, OH 44106, USA
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