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Xu P, Wen C, Gao C, Liu H, Li Y, Guo X, Shen XC, Liang H. Near-Infrared-II-Activatable Self-Assembled Manganese Porphyrin-Gold Heterostructures for Photoacoustic Imaging-Guided Sonodynamic-Augmented Photothermal/Photodynamic Therapy. ACS NANO 2024; 18:713-727. [PMID: 38117769 DOI: 10.1021/acsnano.3c09011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2023]
Abstract
Porphyrins and their derivatives are widely used as photosensitizers and sonosensitizers in tumor treatment. Nevertheless, their poor water solubility and low chemical stability reduce their singlet oxygen (1O2) yield and, consequently, their photodynamic therapy (PDT) and sonodynamic therapy (SDT) efficiency. Although strategies for porphyrin molecule assembly have been developed to augment 1O2 generation, there is scope for further improving PDT and SDT efficiencies. Herein, we synthesized ordered manganese porphyrin (SM) nanoparticles with well-defined self-assembled metalloporphyrin networks that enabled efficient energy transfer for enhanced photocatalytic and sonocatalytic activity in 1O2 production. Subsequently, Au nanoparticles were grown in situ on the SM surface by anchoring the terminal alkynyl of porphyrin to form plasmonic SMA heterostructures, which showed the excellent near-infrared-II (NIR-II) region absorption and photothermal properties, and facilitated electron-hole pair separation and transfer. With the modification of hyaluronic acid (HA), SMAH heterostructure nanocomposites exhibited good water solubility and were actively targeted to cancer cells. Under NIR-II light and ultrasound (US) irradiation, the SMAH generates hyperthermia, and a large amount of 1O2, inducing cancer cell damage. Both in vitro and in vivo studies confirmed that the SMAH nanocomposites effectively suppressed tumor growth by decreasing GSH levels in SDT-augmented PDT/PTT. Moreover, by utilizing the strong absorption in the NIR-II window, SMAH nanocomposites can achieve NIR-II photoacoustic imaging-guided combined cancer treatment. This work provides a paradigm for enhancing the 1O2 yield of metalloporphyrins to improve the synergistic therapeutic effect of SDT/PDT/PTT.
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Affiliation(s)
- Peijing Xu
- School of Chemistry and Pharmaceutical Sciences, State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Changchun Wen
- School of Chemistry and Pharmaceutical Sciences, State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Cunji Gao
- School of Chemistry and Pharmaceutical Sciences, State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Huihui Liu
- School of Chemistry and Pharmaceutical Sciences, State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Yingshu Li
- School of Chemistry and Pharmaceutical Sciences, State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Xiaolu Guo
- School of Chemistry and Pharmaceutical Sciences, State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Xing-Can Shen
- School of Chemistry and Pharmaceutical Sciences, State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Hong Liang
- School of Chemistry and Pharmaceutical Sciences, State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, Guangxi Normal University, Guilin 541004, People's Republic of China
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Saryeddine L, Hadnutt J, Grélard A, Morvan E, Alies B, Buré C, Bestel I, Badarau E. Design of light-responsive amphiphilic self-assemblies: A novel application of the photosensitive diazirine moiety. J Colloid Interface Sci 2024; 653:1792-1804. [PMID: 37805274 DOI: 10.1016/j.jcis.2023.09.195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/31/2023] [Accepted: 09/30/2023] [Indexed: 10/09/2023]
Abstract
Diazirine is one of the smallest photo-sensitive moieties discovered to date. When incorporated in the structure of phospholipids, its minimal size has a low impact on the morphology of the resultant liposomes. A DMPC-diazirine analogue was designed and subsequently used to generate liposomes with a lower permeability and a lower phase-transition temperature compared to control DMPC liposomes. Contrary to control liposomes, in the absence of light, the photosensitive nanoparticles retained the cargo (calcein) for at least 10 days. However, upon irradiation, diazirine's conversion triggered the fluorophore release within minutes. The kinetics of the release could be tuned by the power and duration of the irradiation process. The same approach can be used on other nanomaterials, with the final goal of discovering a release profile appropriate not only for therapeutic applications, but also for agrochemicals delivery or cosmoceutics.
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Affiliation(s)
- Lilian Saryeddine
- Univ. Bordeaux, CNRS, Bordeaux INP, CBMN, UMR 5248, 33600 Pessac, France
| | - Josh Hadnutt
- Univ. Bordeaux, CNRS, Bordeaux INP, CBMN, UMR 5248, 33600 Pessac, France
| | - Axelle Grélard
- Univ. Bordeaux, CNRS, Bordeaux INP, CBMN, UMR 5248, 33600 Pessac, France
| | - Estelle Morvan
- Univ. Bordeaux, CNRS, Bordeaux INP, CBMN, UMR 5248, 33600 Pessac, France; Univ. Bordeaux, CNRS, INSERM, UAR3033 US001, IECB, 33600 Pessac, France
| | - Bruno Alies
- Univ. Bordeaux, CNRS, INSERM U1212, UMR 5320, 33076 Bordeaux, France
| | - Corinne Buré
- Univ. Bordeaux, CNRS, INSERM, UAR3033 US001, IECB, 33600 Pessac, France
| | - Isabelle Bestel
- Univ. Bordeaux, CNRS, Bordeaux INP, CBMN, UMR 5248, 33600 Pessac, France
| | - Eduard Badarau
- Univ. Bordeaux, CNRS, Bordeaux INP, CBMN, UMR 5248, 33600 Pessac, France.
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Jiang W, Lei Y, Peng C, Wu D, Wu J, Xu Y, Xia X. Recent advances in cancer cell bionic nanoparticles for tumour therapy. J Drug Target 2023; 31:1065-1080. [PMID: 37962304 DOI: 10.1080/1061186x.2023.2283838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 11/08/2023] [Indexed: 11/15/2023]
Abstract
Nanoparticle-based drug delivery systems have found extensive use in delivering oncology therapeutics; however, some delivery vehicles still exhibit rapid immune clearance, lack of biocompatibility and insufficient targeting. In recent years, bionanoparticles constructed from tumour cell membranes have gained momentum as tumour-targeting therapeutic agents. Cancer cell membrane-coated nanoparticles (CCMCNPs) typically consist of a drug-loaded nanoparticle core coated with cancer cell membrane. CCMCNPs retain homologous tumour cell surface antigens, receptors and proteins, and it has been shown that the modified nanoparticles exhibit better homologous targeting, immune escape and biocompatibility. CCMCNPs are now widely used in a variety of cancer treatments, including photothermal, photodynamic and sonodynamic therapies, chemotherapy, immunotherapy, chemodynamical therapy or other combination therapies. This article presents different therapeutic approaches using multimodal antitumour therapy-combination of two or more therapies that treat tumours synergistically-based on tumour cell membrane systems. The advantages of CCMCNPs in different cancer treatments in recent years are summarised, thus, providing new strategies for cancer treatment research.
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Affiliation(s)
- Wanting Jiang
- Laboratory of Key Technologies of Targeted and Compound Preparations of Traditional Chinese Medicine, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Yujing Lei
- Laboratory of Key Technologies of Targeted and Compound Preparations of Traditional Chinese Medicine, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Cheng Peng
- Laboratory of Key Technologies of Targeted and Compound Preparations of Traditional Chinese Medicine, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Donghai Wu
- Laboratory of Key Technologies of Targeted and Compound Preparations of Traditional Chinese Medicine, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Jing Wu
- Laboratory of Key Technologies of Targeted and Compound Preparations of Traditional Chinese Medicine, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Yiling Xu
- Laboratory of Key Technologies of Targeted and Compound Preparations of Traditional Chinese Medicine, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Xinhua Xia
- Laboratory of Key Technologies of Targeted and Compound Preparations of Traditional Chinese Medicine, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
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Jia J, Wu X, Long G, Yu J, He W, Zhang H, Wang D, Ye Z, Tian J. Revolutionizing cancer treatment: nanotechnology-enabled photodynamic therapy and immunotherapy with advanced photosensitizers. Front Immunol 2023; 14:1219785. [PMID: 37860012 PMCID: PMC10582717 DOI: 10.3389/fimmu.2023.1219785] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 09/20/2023] [Indexed: 10/21/2023] Open
Abstract
Nanotechnology-enhanced photodynamic therapy (PDT) and immunotherapy are emerging as exciting cancer therapeutic methods with significant potential for improving patient outcomes. By combining these approaches, synergistic effects have been observed in preclinical studies, resulting in enhanced immune responses to cancer and the capacity to conquer the immunosuppressive tumor microenvironment (TME). Despite challenges such as addressing treatment limitations and developing personalized cancer treatment strategies, the integration of nanotechnology-enabled PDT and immunotherapy, along with advanced photosensitizers (PSs), represents an exciting new avenue in cancer treatment. Continued research, development, and collaboration among researchers, clinicians, and regulatory agencies are crucial for further advancements and the successful implementation of these promising therapies, ultimately benefiting cancer patients worldwide.
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Affiliation(s)
- Jiedong Jia
- Department of Urology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, China
| | - Xue Wu
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, China
| | - Gongwei Long
- Department of Urology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, China
| | - Jie Yu
- School of Life Science and Technology, Wuhan Polytechnic University, Wuhan, China
| | - Wei He
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Huiping Zhang
- Institute of Reproduction Health Research, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Dongwen Wang
- Department of Urology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, China
| | - Zhangqun Ye
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jun Tian
- Department of Urology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, China
- Department of Urology, National Cancer Center, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical, Beijing, China
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Ekhator C, Qureshi MQ, Zuberi AW, Hussain M, Sangroula N, Yerra S, Devi M, Naseem MA, Bellegarde SB, Pendyala PR. Advances and Opportunities in Nanoparticle Drug Delivery for Central Nervous System Disorders: A Review of Current Advances. Cureus 2023; 15:e44302. [PMID: 37649926 PMCID: PMC10463100 DOI: 10.7759/cureus.44302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/28/2023] [Indexed: 09/01/2023] Open
Abstract
This narrative review provides an overview of the current advances, challenges, and opportunities in nanoparticle drug delivery for central nervous system (CNS) disorders. The treatment of central nervous system disorders is challenging due to the blood-brain barrier (BBB), which limits the delivery of therapeutic agents to the brain. Promising approaches to address these issues and improve the efficacy of CNS disease therapies are provided by nanoparticle-based drug delivery systems. Nanoparticles, such as liposomes, polymeric nanoparticles, dendrimers, and solid lipid nanoparticles, can be modified to enhance targeting, stability, and drug-release patterns. They allow for the encapsulation of a variety of therapeutic compounds and can be functionalized with ligands or antibodies for active targeting, minimizing off-target effects. Additionally, nanoparticles can circumvent drug resistance processes and provide versatile platforms for applications that combine therapeutic and diagnostic functions. Although the delivery of CNS medications using nanoparticles has advanced significantly, there are still challenges to be resolved. These include understanding the BBB interactions, doing long-term safety studies, and scaling up the production. However, improvements in nanotechnology and a deeper comprehension of CNS disorders provide opportunities to enhance treatment results and address unmet medical requirements. Future research and ongoing clinical trials are required to further explore the potential of nanoparticle drug delivery for CNS disorders.
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Affiliation(s)
- Chukwuyem Ekhator
- Neuro-Oncology, New York Institute of Technology, College of Osteopathic Medicine, Old Westbury, USA
| | | | | | | | | | - Sushanth Yerra
- Internal Medicine, University of Medicine and Health Sciences, Basseterre, KNA
| | | | | | - Sophia B Bellegarde
- Pathology and Laboratory Medicine, American University of Antigua, St. John's, ATG
| | - Praful R Pendyala
- Neurology, Chalmeda Anand Rao Institute of Medical Sciences, Karimnagar, IND
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Liu X, Zhan W, Gao G, Jiang Q, Zhang X, Zhang H, Sun X, Han W, Wu FG, Liang G. Apoptosis-Amplified Assembly of Porphyrin Nanofiber Enhances Photodynamic Therapy of Oral Tumor. J Am Chem Soc 2023; 145:7918-7930. [PMID: 36987560 DOI: 10.1021/jacs.2c13189] [Citation(s) in RCA: 36] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
Abstract
Oral squamous cell carcinoma (OSCC) is the most common oral cancer, having high recurrence and metastasis features. In addition to surgery, photodynamic therapy (PDT) is considered as another effective approach for OSCC treatment. The water solubility of currently available PDT photosensitizers (PSs) is poor, lowering their singlet oxygen (1O2) yield and consequent PDT efficiency. Strategies of PS assembly have been reported to increase 1O2 yield, but it is still possible to further enhance PDT efficiency. In this work, we utilized apoptosis to amplify the assembly of porphyrin nanofibers for enhanced PDT of OSCC. A water-soluble porphyrin derivative, Ac-Asp-Glu-Val-Asp-Asp-TPP (Ac-DEVDD-TPP), was designed for this purpose. Upon caspase-3 (Casp3, an activated enzyme during apoptosis) cleavage and laser irradiation, Ac-DEVDD-TPP was converted to D-TPP, which spontaneously self-assembled into porphyrin nanofibers, accompanied by 1.4-fold and 2.1-fold 1O2 generations in vitro and in cells, respectively. The as-formed porphyrin nanofiber induced efficient cell apoptosis and pyroptosis. In vivo experiments demonstrated that, compared with the scrambled control compound Ac-DEDVD-TPP, Ac-DEVDD-TPP led to 6.2-fold and 1.3-fold expressions of Casp3 in subcutaneous and orthotopic oral tumor models, respectively, and significantly suppressed the tumors. We envision that our strategy of apoptosis-amplified porphyrin assembly might be applied for OSCC treatment in the clinic in the near future.
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Cole HD, Eroy M, Roque JA, Shi G, Guirguis M, Fakhry J, Cameron CG, Obaid G, McFarland SA. Establishing a Robust and Reliable Response from a Potent Osmium-Based Photosensitizer Via Lipid Nanoformulation †. Photochem Photobiol 2023; 99:751-760. [PMID: 36481983 PMCID: PMC10315168 DOI: 10.1111/php.13756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 12/04/2022] [Indexed: 12/13/2022]
Abstract
Osmium (Os) based photosensitizers (PSs) are a unique class of nontetrapyrrolic metal-containing PSs that absorb red light. We recently reported a highly potent Os(II) PS, rac-[Os(phen)2 (IP-4T)](Cl)2 , referred to as ML18J03 herein, with light EC50 values as low as 20 pm. ML18J03 also exhibits low dark toxicity and submicromolar light EC50 values in hypoxia in some cell lines. However, owing to its longer oligothiophene chain, ML18J03 is not completely water soluble and forms 1-2 μm sized aggregates in PBS containing 1% DMSO. This aggregation causes variability in PDT efficacy between assays and thus unreliable and irreproducible reports of in vitro activity. To that end, we utilized PEG-modified DPPC liposomes (138 nm diameter) and DSPE-mPEG2000 micelles (10.2 nm diameter) as lipid nanoformulation vehicles to mitigate aggregation of ML18J03 and found that the spectroscopic properties important to biological activity were maintained or improved. Importantly, the lipid formulations decreased the interassay variance between the EC50 values by almost 20-fold, with respect to the unformulated ML18J03 when using broadband visible light excitation (P = 0.0276). Herein, lipid formulations are presented as reliable platforms for more accurate in vitro photocytotoxicity quantification for PSs prone to aggregation (such as ML18J03) and will be useful for assessing their in vivo PDT effects.
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Affiliation(s)
- Houston D. Cole
- Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Menitte Eroy
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX 75080, United States
| | - John A. Roque
- Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Ge Shi
- Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Mina Guirguis
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX 75080, United States
| | - John Fakhry
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX 75080, United States
| | - Colin G. Cameron
- Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Girgis Obaid
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX 75080, United States
| | - Sherri A. McFarland
- Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, Texas 76019, United States
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Boscencu R, Radulea N, Manda G, Machado IF, Socoteanu RP, Lupuliasa D, Burloiu AM, Mihai DP, Ferreira LFV. Porphyrin Macrocycles: General Properties and Theranostic Potential. Molecules 2023; 28:molecules28031149. [PMID: 36770816 PMCID: PMC9919320 DOI: 10.3390/molecules28031149] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/16/2023] [Accepted: 01/18/2023] [Indexed: 01/26/2023] Open
Abstract
Despite specialists' efforts to find the best solutions for cancer diagnosis and therapy, this pathology remains the biggest health threat in the world. Global statistics concerning deaths associated with cancer are alarming; therefore, it is necessary to intensify interdisciplinary research in order to identify efficient strategies for cancer diagnosis and therapy, by using new molecules with optimal therapeutic potential and minimal adverse effects. This review focuses on studies of porphyrin macrocycles with regard to their structural and spectral profiles relevant to their applicability in efficient cancer diagnosis and therapy. Furthermore, we present a critical overview of the main commercial formulations, followed by short descriptions of some strategies approached in the development of third-generation photosensitizers.
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Affiliation(s)
- Rica Boscencu
- Faculty of Pharmacy, “Carol Davila” University of Medicine and Pharmacy, 6 Traian Vuia, 020956 Bucharest, Romania
- Correspondence: (R.B.); (R.P.S.); (A.M.B.); (L.F.V.F.)
| | - Natalia Radulea
- Faculty of Pharmacy, “Carol Davila” University of Medicine and Pharmacy, 6 Traian Vuia, 020956 Bucharest, Romania
| | - Gina Manda
- “Victor Babeş” National Institute of Pathology, 050096 Bucharest, Romania
| | - Isabel Ferreira Machado
- Polytechnic Institute of Portalegre, 7300-110 Portalegre, Portugal
- BSIRG—Biospectroscopy and Interfaces Research Group, iBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico and Associate Laboratory i4HB—Institute for Health and Bioeconomy at Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
| | - Radu Petre Socoteanu
- “Ilie Murgulescu” Institute of Physical Chemistry, Romanian Academy, 060021 Bucharest, Romania
- Correspondence: (R.B.); (R.P.S.); (A.M.B.); (L.F.V.F.)
| | - Dumitru Lupuliasa
- Faculty of Pharmacy, “Carol Davila” University of Medicine and Pharmacy, 6 Traian Vuia, 020956 Bucharest, Romania
| | - Andreea Mihaela Burloiu
- Faculty of Pharmacy, “Carol Davila” University of Medicine and Pharmacy, 6 Traian Vuia, 020956 Bucharest, Romania
- Correspondence: (R.B.); (R.P.S.); (A.M.B.); (L.F.V.F.)
| | - Dragos Paul Mihai
- Faculty of Pharmacy, “Carol Davila” University of Medicine and Pharmacy, 6 Traian Vuia, 020956 Bucharest, Romania
| | - Luis Filipe Vieira Ferreira
- BSIRG—Biospectroscopy and Interfaces Research Group, iBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico and Associate Laboratory i4HB—Institute for Health and Bioeconomy at Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
- Correspondence: (R.B.); (R.P.S.); (A.M.B.); (L.F.V.F.)
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Itoo AM, Paul M, Padaga SG, Ghosh B, Biswas S. Nanotherapeutic Intervention in Photodynamic Therapy for Cancer. ACS OMEGA 2022; 7:45882-45909. [PMID: 36570217 PMCID: PMC9773346 DOI: 10.1021/acsomega.2c05852] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 11/18/2022] [Indexed: 06/17/2023]
Abstract
The clinical need for photodynamic therapy (PDT) has been growing for several decades. Notably, PDT is often used in oncology to treat a variety of tumors since it is a low-risk therapy with excellent selectivity, does not conflict with other therapies, and may be repeated as necessary. The mechanism of action of PDT is the photoactivation of a particular photosensitizer (PS) in a tumor microenvironment in the presence of oxygen. During PDT, cancer cells produce singlet oxygen (1O2) and reactive oxygen species (ROS) upon activation of PSs by irradiation, which efficiently kills the tumor. However, PDT's effectiveness in curing a deep-seated malignancy is constrained by three key reasons: a tumor's inadequate PS accumulation in tumor tissues, a hypoxic core with low oxygen content in solid tumors, and limited depth of light penetration. PDTs are therefore restricted to the management of thin and superficial cancers. With the development of nanotechnology, PDT's ability to penetrate deep tumor tissues and exert desired therapeutic effects has become a reality. However, further advancement in this field of research is necessary to address the challenges with PDT and ameliorate the therapeutic outcome. This review presents an overview of PSs, the mechanism of loading of PSs, nanomedicine-based solutions for enhancing PDT, and their biological applications including chemodynamic therapy, chemo-photodynamic therapy, PDT-electroporation, photodynamic-photothermal (PDT-PTT) therapy, and PDT-immunotherapy. Furthermore, the review discusses the mechanism of ROS generation in PDT advantages and challenges of PSs in PDT.
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Dias LM, de Keijzer MJ, Ernst D, Sharifi F, de Klerk DJ, Kleijn TG, Desclos E, Kochan JA, de Haan LR, Franchi LP, van Wijk AC, Scutigliani EM, Fens MH, Barendrecht AD, Cavaco JEB, Huang X, Xu Y, Pan W, den Broeder MJ, Bogerd J, Schulz RW, Castricum KC, Thijssen VL, Cheng S, Ding B, Krawczyk PM, Heger M. Metallated phthalocyanines and their hydrophilic derivatives for multi-targeted oncological photodynamic therapy. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2022; 234:112500. [PMID: 35816857 DOI: 10.1016/j.jphotobiol.2022.112500] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 04/27/2022] [Accepted: 06/11/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND AND AIM A photosensitizer (PS) delivery and comprehensive tumor targeting platform was developed that is centered on the photosensitization of key pharmacological targets in solid tumors (cancer cells, tumor vascular endothelium, and cellular and non-cellular components of the tumor microenvironment) before photodynamic therapy (PDT). Interstitially targeted liposomes (ITLs) encapsulating zinc phthalocyanine (ZnPC) and aluminum phthalocyanine (AlPC) were formulated for passive targeting of the tumor microenvironment. In previous work it was established that the PEGylated ITLs were taken up by cultured cholangiocarcinoma cells. The aim of this study was to verify previous results in cancer cells and to determine whether the ITLs can also be used to photosensitize cells in the tumor microenvironment and vasculature. Following positive results, rudimentary in vitro and in vivo experiments were performed with ZnPC-ITLs and AlPC-ITLs as well as their water-soluble tetrasulfonated derivatives (ZnPCS4 and AlPCS4) to assemble a research dossier and bring this platform closer to clinical transition. METHODS Flow cytometry and confocal microscopy were employed to determine ITL uptake and PS distribution in cholangiocarcinoma (SK-ChA-1) cells, endothelial cells (HUVECs), fibroblasts (NIH-3T3), and macrophages (RAW 264.7). Uptake of ITLs by endothelial cells was verified under flow conditions in a flow chamber. Dark toxicity and PDT efficacy were determined by cell viability assays, while the mode of cell death and cell cycle arrest were assayed by flow cytometry. In vivo systemic toxicity was assessed in zebrafish and chicken embryos, whereas skin phototoxicity was determined in BALB/c nude mice. A PDT efficacy pilot was conducted in BALB/c nude mice bearing human triple-negative breast cancer (MDA-MB-231) xenografts. RESULTS The key findings were that (1) photodynamically active PSs (i.e., all except ZnPCS4) were able to effectively photosensitize cancer cells and non-cancerous cells; (2) following PDT, photodynamically active PSs were highly toxic-to-potent as per anti-cancer compound classification; (3) the photodynamically active PSs did not elicit notable systemic toxicity in zebrafish and chicken embryos; (4) ITL-delivered ZnPC and ZnPCS4 were associated with skin phototoxicity, while the aluminum-containing PSs did not exert detectable skin phototoxicity; and (5) ITL-delivered ZnPC and AlPC were equally effective in their tumor-killing capacity in human tumor breast cancer xenografts and superior to other non-phthalocyanine PSs when appraised on a per mole administered dose basis. CONCLUSIONS AlPC(S4) are the safest and most effective PSs to integrate into the comprehensive tumor targeting and PS delivery platform. Pending further in vivo validation, these third-generation PSs may be used for multi-compartmental tumor photosensitization.
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Affiliation(s)
- Lionel Mendes Dias
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, PR China; CICS-UBI, Health Sciences Research Center, University of Beira Interior, Covilhã, Portugal; Department of Medical Biology, Cancer Center Amsterdam, Amsterdam UMC Location Academic Medical Center, Amsterdam, the Netherlands; Laboratory of Experimental Oncology, Department of Pathology, Erasmus MC, Rotterdam, the Netherlands
| | - Mark J de Keijzer
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, PR China; Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, the Netherlands; Membrane Biochemistry and Biophysics, Department of Chemistry, Faculty of Science, Utrecht University, Utrecht, the Netherlands
| | - Daniël Ernst
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, PR China; Laboratory of Experimental Oncology, Department of Pathology, Erasmus MC, Rotterdam, the Netherlands
| | - Farangis Sharifi
- Department of Medical Biology, Cancer Center Amsterdam, Amsterdam UMC Location Academic Medical Center, Amsterdam, the Netherlands; Laboratory of Experimental Oncology and Radiobiology (LEXOR), Cancer Center Amsterdam, Amsterdam UMC Location Academic Medical Center, Amsterdam, the Netherlands
| | - Daniel J de Klerk
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, PR China; Laboratory of Experimental Oncology, Department of Pathology, Erasmus MC, Rotterdam, the Netherlands
| | - Tony G Kleijn
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, PR China; Laboratory of Experimental Oncology, Department of Pathology, Erasmus MC, Rotterdam, the Netherlands; Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Emilie Desclos
- Department of Medical Biology, Cancer Center Amsterdam, Amsterdam UMC Location Academic Medical Center, Amsterdam, the Netherlands; Laboratory of Experimental Oncology and Radiobiology (LEXOR), Cancer Center Amsterdam, Amsterdam UMC Location Academic Medical Center, Amsterdam, the Netherlands
| | - Jakub A Kochan
- Department of Medical Biology, Cancer Center Amsterdam, Amsterdam UMC Location Academic Medical Center, Amsterdam, the Netherlands; Laboratory of Experimental Oncology and Radiobiology (LEXOR), Cancer Center Amsterdam, Amsterdam UMC Location Academic Medical Center, Amsterdam, the Netherlands
| | - Lianne R de Haan
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, PR China; Laboratory of Experimental Oncology, Department of Pathology, Erasmus MC, Rotterdam, the Netherlands
| | - Leonardo P Franchi
- Department of Biochemistry and Molecular Biology, Institute of Biological Sciences (ICB 2), Federal University of Goiás (UFG), Goiânia, Goiás, Brazil
| | - Albert C van Wijk
- Department of Surgery, Amsterdam UMC location VUmc, Amsterdam, the Netherlands
| | - Enzo M Scutigliani
- Department of Medical Biology, Cancer Center Amsterdam, Amsterdam UMC Location Academic Medical Center, Amsterdam, the Netherlands; Laboratory of Experimental Oncology and Radiobiology (LEXOR), Cancer Center Amsterdam, Amsterdam UMC Location Academic Medical Center, Amsterdam, the Netherlands
| | - Marcel H Fens
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, the Netherlands
| | | | - José E B Cavaco
- CICS-UBI, Health Sciences Research Center, University of Beira Interior, Covilhã, Portugal
| | - Xuan Huang
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, PR China
| | - Ying Xu
- Department of Cell Biology, College of Medicine, Jiaxing University, Jiaxing, PR China
| | - Weiwei Pan
- Department of Cell Biology, College of Medicine, Jiaxing University, Jiaxing, PR China
| | - Marjo J den Broeder
- Reproductive Biology Group, Division Developmental Biology, Institute of Biodynamics and Biocomplexity, Department of Biology, Faculty of Science, Utrecht University, the Netherlands
| | - Jan Bogerd
- Reproductive Biology Group, Division Developmental Biology, Institute of Biodynamics and Biocomplexity, Department of Biology, Faculty of Science, Utrecht University, the Netherlands
| | - Rüdiger W Schulz
- Reproductive Biology Group, Division Developmental Biology, Institute of Biodynamics and Biocomplexity, Department of Biology, Faculty of Science, Utrecht University, the Netherlands
| | - Kitty C Castricum
- Department of Radiation Oncology, Cancer Center Amsterdam, Amsterdam UMC Location VUmc, Amsterdam, the Netherlands
| | - Victor L Thijssen
- Department of Radiation Oncology, Cancer Center Amsterdam, Amsterdam UMC Location VUmc, Amsterdam, the Netherlands
| | - Shuqun Cheng
- Department of Hepatic Surgery VI, The Eastern Hepatobiliary Surgery Hospital, The Second Military Medical University, Shanghai, PR China
| | - Baoyue Ding
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, PR China.
| | - Przemek M Krawczyk
- Department of Medical Biology, Cancer Center Amsterdam, Amsterdam UMC Location Academic Medical Center, Amsterdam, the Netherlands; Laboratory of Experimental Oncology and Radiobiology (LEXOR), Cancer Center Amsterdam, Amsterdam UMC Location Academic Medical Center, Amsterdam, the Netherlands
| | - Michal Heger
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, PR China; Laboratory of Experimental Oncology, Department of Pathology, Erasmus MC, Rotterdam, the Netherlands; Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, the Netherlands; Membrane Biochemistry and Biophysics, Department of Chemistry, Faculty of Science, Utrecht University, Utrecht, the Netherlands.
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11
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Choi J, Sun IC, Sook Hwang H, Yeol Yoon H, Kim K. Light-triggered photodynamic nanomedicines for overcoming localized therapeutic efficacy in cancer treatment. Adv Drug Deliv Rev 2022; 186:114344. [PMID: 35580813 DOI: 10.1016/j.addr.2022.114344] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 04/27/2022] [Accepted: 05/09/2022] [Indexed: 12/14/2022]
Abstract
Photodynamic nanomedicines have significantly enhanced the therapeutic efficacy of photosensitizers (PSs) by overcoming critical limitations of PSs such as poor water solubility and low tumor accumulation. Furthermore, functional photodynamic nanomedicines have enabled overcoming oxygen depletion during photodynamic therapy (PDT) and tissue light penetration limitation by supplying oxygen or upconverting light in targeted tumor tissues, resulting in providing the potential to overcome biological therapeutic barriers of PDT. Nevertheless, their localized therapeutic effects still remain a huddle for the effective treatment of metastatic- or recurrent tumors. Recently, newly designed photodynamic nanomedicines and their combination chemo- or immune checkpoint inhibitor therapy enable the systemic treatment of various metastatic tumors by eliciting antitumor immune responses via immunogenic cell death (ICD). This review introduces recent advances in photodynamic nanomedicines and their applications, focusing on overcoming current limitations. Finally, the challenges and future perspectives of the clinical translation of photodynamic nanomedicines in cancer PDT are discussed.
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Affiliation(s)
- Jiwoong Choi
- KU-KIST Graduate School of Converging Science and Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea; Medicinal Materials Research Center, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Hwarangno 14-gil 5, Seongbuk-gu, Seoul 02792, Republic of Korea
| | - In-Cheol Sun
- Medicinal Materials Research Center, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Hwarangno 14-gil 5, Seongbuk-gu, Seoul 02792, Republic of Korea
| | - Hee Sook Hwang
- Department of Pharmaceutical Engineering, Dankook University, Cheonan 31116, Republic of Korea
| | - Hong Yeol Yoon
- Medicinal Materials Research Center, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Hwarangno 14-gil 5, Seongbuk-gu, Seoul 02792, Republic of Korea.
| | - Kwangmeyung Kim
- KU-KIST Graduate School of Converging Science and Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea; Medicinal Materials Research Center, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Hwarangno 14-gil 5, Seongbuk-gu, Seoul 02792, Republic of Korea.
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12
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Fonseca LL, Durães CP, Menezes ASDS, Tabosa ATL, Barbosa CU, Filho ADPS, Souza DPSDP, Guimarães VHD, Santos SHS, de Paula AMB, Farias LC, Guimarães EALS. Comparison Between Two Antimicrobial Photodynamic Therapy Protocols for Oral Candidiasis in Patients Undergoing Treatment for Head and Neck Cancer: A two-arm, single-blind clinical trial. Photodiagnosis Photodyn Ther 2022; 39:102983. [PMID: 35772622 DOI: 10.1016/j.pdpdt.2022.102983] [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: 06/03/2022] [Revised: 06/21/2022] [Accepted: 06/22/2022] [Indexed: 11/26/2022]
Abstract
PURPOSE This study aimed to compare the efficacy of Antimicrobial Photodynamic Therapy (aPDT) with 300 µmol/L of methylene blue and 8 µmol/L of curcumin on oral candidiasis patients with HNSCC undergoing treatment. METHODS A two-arm, single-blind clinical trial was performed. Following verification for eligibility (n = 447), 108 patients were included in the study. The study consisted of a group that received aPDT with methylene blue (n = 57) and another that received aPDT with curcumin (n = 51). The patients rinsed their mouths with an aqueous solution of 300 µmol/L of methylene blue and 8 µmol/L of curcumin in four sessions, and then the lesion was scraped for the subsequent RT-qPCR. The primary outcome was that no cure was presented for oral candidiasis after treatment. The secondary result was reducing the number of sites affected by oral candidiasis. RESULTS There was no difference in treatment failure evaluated by the necessity of drug prescription or Candida sp DNA quantification. However, clinically the methylene blue protocol reduced the number of infected anatomical sites compared to the curcumin protocol. CONCLUSION Methylene Blue aPDT reduced the number of infected anatomical sites compared to curcumin.
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Affiliation(s)
- Larissa Lopes Fonseca
- Department of Dentistry, Universidade Estadual de Montes Claros (Unimontes), Montes Claros, Minas Gerais, Brazil
| | - Cristina Paixão Durães
- Department of Dentistry, Universidade Estadual de Montes Claros (Unimontes), Montes Claros, Minas Gerais, Brazil
| | - Agna Soares da Silva Menezes
- Department of Dentistry, Universidade Estadual de Montes Claros (Unimontes), Montes Claros, Minas Gerais, Brazil
| | | | - Chelsea Uramoto Barbosa
- Department of Dentistry, Universidade Estadual de Montes Claros (Unimontes), Montes Claros, Minas Gerais, Brazil
| | | | | | - Victor Hugo Dantas Guimarães
- Institute of Agricultural Sciences, Universidade Federal de Minas Gerais (UFMG), Montes Claros, Minas Gerais, Brazil
| | - Sérgio Henrique Sousa Santos
- Institute of Agricultural Sciences, Universidade Federal de Minas Gerais (UFMG), Montes Claros, Minas Gerais, Brazil
| | | | - Lucyana Conceição Farias
- Department of Dentistry, Universidade Estadual de Montes Claros (Unimontes), Montes Claros, Minas Gerais, Brazil
| | - E André Luiz Sena Guimarães
- Department of Dentistry, Universidade Estadual de Montes Claros (Unimontes), Montes Claros, Minas Gerais, Brazil; Dilson Godinho Hospital, Montes Claros, Minas Gerais, Brazil.
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13
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Sanchez-Cruz P, Vazquez K, Lozada EL, Valiyeva F, Sharma R, Vivas PE, Alegria AE. Photosensitized co-generation of nitric oxide and singlet oxygen Enhanced toxicity against ovarian cancer cells. JOURNAL OF NANOPARTICLE RESEARCH : AN INTERDISCIPLINARY FORUM FOR NANOSCALE SCIENCE AND TECHNOLOGY 2022; 24:82. [PMID: 37035485 PMCID: PMC10081534 DOI: 10.1007/s11051-022-05463-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 03/23/2022] [Indexed: 06/19/2023]
Abstract
Near micromolar concentrations of nitric oxide (NO) induce tumor cells death. However, an appropriate NO load has to be delivered selectively to the tumor site in order to avoid NO loss and secondary NO-induced effects. The encapsulation of millimolar concentrations of a NO source and an appropriate trigger of NO release within phospatidylcholine-based liposomes should provide an efficient tool for the selective release of the needed NO payload. In this work we report the photosensitized generation of singlet oxygen and NO from folate-targeted PEGylated liposomes, containing AlPcS4 as the sensitizer and S-nitrosoglutathione (GSNO), in millimolar amounts, as the NO source. Amounts of singlet oxygen detected outside the liposome when using PEGylated liposomes are near 200 % larger when GSNO is present inside the liposomes as compared to its absence. These liposomes, conjugated to folate, were found to enhance the photosensitized cytotoxicity to A2780CP20 ovarian cancer cells as compared to liposomes containing the sensitizer but no GSNO (30 % as compared to 70 % cell viability) under the conditions of this work. Fluorescense of AlPcS4 was observed inside cells incubated with folate-conjugated liposomes but not with liposomes without folate. The photosensitized activity enhancement by GSNO increased when light fluence or liposome concentration were increased. The majority of ovarian cancer patients are initially diagnosed with disseminated intra-abdominal disease (stages III-IV) and have a 5-year survival of less than 20%. This work suggests a novel ovarian cancer nodules treatment via the use of tumor-targeted liposome nanoparticles with the capability of generating simultaneously reactive oxygen and nitrogen species upon illumination with near-infrared light.
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Affiliation(s)
| | - Katerina Vazquez
- Department of Biochemistry, UPR Medical Sciences Campus, San Juan, PR 00936
| | - Eunice L. Lozada
- Comprehensive Cancer Center, UPR Medical Sciences Campus, San Juan, PR 00936
| | - Fatima Valiyeva
- Comprehensive Cancer Center, UPR Medical Sciences Campus, San Juan, PR 00936
| | - Rohit Sharma
- Comprehensive Cancer Center, UPR Medical Sciences Campus, San Juan, PR 00936
| | - Pablo E. Vivas
- Department of Biochemistry, UPR Medical Sciences Campus, San Juan, PR 00936
- Comprehensive Cancer Center, UPR Medical Sciences Campus, San Juan, PR 00936
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14
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Salkho NM, Awad NS, Pitt WG, Husseini GA. Photo-Induced Drug Release from Polymeric Micelles and Liposomes: Phototriggering Mechanisms in Drug Delivery Systems. Polymers (Basel) 2022; 14:1286. [PMID: 35406160 PMCID: PMC9003562 DOI: 10.3390/polym14071286] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/12/2022] [Accepted: 03/16/2022] [Indexed: 12/13/2022] Open
Abstract
Chemotherapeutic drugs are highly effective in treating cancer. However, the side effects associated with this treatment lower the quality of life of cancer patients. Smart nanocarriers are able to encapsulate these drugs to deliver them to tumors while reducing their contact with the healthy cells and the subsequent side effects. Upon reaching their target, the release of the encapsulated drugs should be carefully controlled to achieve therapeutic levels at the required time. Light is one of the promising triggering mechanisms used as external stimuli to trigger drug release from the light-responsive nanocarriers. Photo-induced drug release can be achieved at a wide range of wavelengths: UV, visible, and NIR depending on many factors. In this review, photo-induced release mechanisms were summarized, focusing on liposomes and micelles. In general, light-triggering mechanisms are based on one of the following: changing the hydrophobicity of a nanocarrier constituent(s) to make it more soluble, introducing local defects within a nanocarrier (by conformational transformation or photo-cleavage of its lipids/polymers chains) to make it more porous or concentrating heat for thermo-sensitive nanocarriers to release their payload. Several research studies were also presented to explore the potentials and limitations of this promising drug release triggering mechanism.
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Affiliation(s)
- Najla M Salkho
- Department of Chemical Engineering, College of Engineering, American University of Sharjah, Sharjah P.O. Box 26666, United Arab Emirates
- Materials Science and Engineering Program, College of Arts and Sciences, American University of Sharjah, Sharjah P.O. Box. 26666, United Arab Emirates
| | - Nahid S Awad
- Department of Chemical Engineering, College of Engineering, American University of Sharjah, Sharjah P.O. Box 26666, United Arab Emirates
| | - William G Pitt
- Chemical Engineering Department, Brigham Young University, Provo, UT 84602, USA
| | - Ghaleb A Husseini
- Department of Chemical Engineering, College of Engineering, American University of Sharjah, Sharjah P.O. Box 26666, United Arab Emirates
- Materials Science and Engineering Program, College of Arts and Sciences, American University of Sharjah, Sharjah P.O. Box. 26666, United Arab Emirates
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15
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Branched PEG-modification: A new strategy for nanocarriers to evade of the accelerated blood clearance phenomenon and enhance anti-tumor efficacy. Biomaterials 2022; 283:121415. [PMID: 35217484 DOI: 10.1016/j.biomaterials.2022.121415] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 02/10/2022] [Accepted: 02/14/2022] [Indexed: 01/18/2023]
Abstract
PEGylation is one of the most successful technologies for reducing immunogenicity, improving the stability and circulation time of nanocarriers, and has been applied in the clinic for over three decades. However, linear PEG-modified nanocarriers have been found to induce anti-PEG IgM at the first injection, which triggers the accelerated blood clearance (ABC) phenomenon upon repeated injections. Furthermore, clinical and research evidence has revealed that anti-PEG antibodies also cause serious complement activation-related pseudoallergies (CARPA), which greatly reduce the safety of linear PEGylated nanocarriers. In this study, as an alternative to linear PEG, branched PEG was selected owing to its low antigenicity. We pioneer the use of branched PEG lipid derivatives [DSPE-mPEG2,n (n = 2, 10, and 20 kDa)] to modify nanoemulsions (PE2,n) and liposomes (PL2,n). Upon characterization, PE2,n and PL2,n showed similar physicochemical properties to linear DSPE-mPEG2000-modified nanocarriers in terms of size, polydispersity index (PDI), and zeta potential. However, our pharmacokinetics study surprisingly indicated that PE2,n and PL2,n did not induce the ABC phenomenon after repeated injection. This may be attributed to the fact that PE2,n and PL2,n induced noticeably lower levels of anti-PEG IgM than linear PEG-modified nanocarriers and did not activate the complement system. Furthermore, we are the first to investigate the anti-tumor efficacy of DSPE-mPEG2,n-modified liposomal doxorubicin (DOX). The pharmacodynamic experiments showed that DSPE-mPEG2,n-m-modified liposomal DOX had better in vivo anti-tumor effects than linear DSPE-mPEG2000-modified liposomes. Therefore, we speculate that DSPE-mPEG2,n-modified nanocarriers possess promising prospects in avoiding the ABC phenomenon, reducing CARPA, and improving the anti-tumor efficacy of encapsulated drugs.
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16
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Mahmoudi R, Dianat-Moghadam H, Poorebrahim M, Siapoush S, Poortahmasebi V, Salahlou R, Rahmati M. Recombinant immunotoxins development for HER2-based targeted cancer therapies. Cancer Cell Int 2021; 21:470. [PMID: 34488747 PMCID: PMC8422749 DOI: 10.1186/s12935-021-02182-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 08/26/2021] [Indexed: 01/07/2023] Open
Abstract
Understanding the molecular mechanisms of cancer biology introduces targeted therapy as a complementary method along with other conventional therapies. Recombinant immunotoxins are tumor specific antibodies that their recognizing fragment is utilized for delivering modified toxins into tumor cells. These molecules have been considered as a targeted strategy in the treatment of human cancers. HER2 tumor biomarker is a transmembrane tyrosine kinase receptor that can be used for targeted therapies in the forms of anti-HER2 monoclonal antibodies, antibody-drug conjugates and immunotoxins. There have been many studies on HER2-based immunotoxins in recent years, however, little progress has been made in the clinical field which demanded more improvements. Here, we summarized the HER2 signaling and it's targeting using immunotherapeutic agents in human cancers. Then, we specifically reviewed anti-HER2 immunotoxins, and their strengths and drawbacks to highlight their promising clinical impact.
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Affiliation(s)
- Reza Mahmoudi
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hassan Dianat-Moghadam
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Mansour Poorebrahim
- Targeted Tumor Vaccines Group, Clinical Cooperation Unit Applied Tumor Immunity, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Samaneh Siapoush
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Vahdat Poortahmasebi
- Department of Bacteriology and Virology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Salahlou
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Rahmati
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Clinical Biochemistry, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
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17
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Kirar S, Thakur NS, Reddy YN, Banerjee UC, Bhaumik J. Insights on the polypyrrole based nanoformulations for photodynamic therapy. J PORPHYR PHTHALOCYA 2021. [DOI: 10.1142/s1088424621300032] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
This review is written to endow updated information on polypyrrole based photosensitizers for the treatment of deadly diseases such as cancer and microbial infection. Tetrapyrrolic macromolecules such as porphyrins and phthalocyanines hold unique photophysical properties which make them very useful compounds for various biomedical applications. Besides their properties, they also have some limitations such as low water solubility, bioavailability, biocompatibility and lack of specificity, etc. Researchers are trying to overcome these limitations by incorporating photosensitizers into the different types of nanoparticles and improve the quality of photodynamic therapy. We have contributed to this field by synthesizing and developing polypyrrolic photosensitizer based nanoparticles for potential applications in antimicrobial and anticancer photodynamic activity. Throughout this review, newly synthesized and existing PSs conjugated/encapsulated/doped/incorporated with nanoparticles are emphasized, which are essential for current and future research themes. Also in this review, we briefly summarized the research work carried over the past few years by considering the porphyrin based photosensitizers as alternative therapeutic entities for the treatment of microbial infections, cancers, and many other diseases.
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Affiliation(s)
- Seema Kirar
- Department of Nanomaterials and Application Technology, Center of Innovative and Applied Bioprocessing (CIAB), Sector-81 (Knowledge City), S.A.S. Nagar-140306, Mohali, Punjab, India
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER), Sector-67, S.A.S. Nagar-160062, Mohali, Punjab, India
| | - Neeraj Singh Thakur
- Department of Nanomaterials and Application Technology, Center of Innovative and Applied Bioprocessing (CIAB), Sector-81 (Knowledge City), S.A.S. Nagar-140306, Mohali, Punjab, India
- Department of Pharmaceutical Technology (Biotechnology), National Institute of Pharmaceutical Education and Research (NIPER), Sector-67, S.A.S. Nagar-160062, Mohali, Punjab, India
| | - Yeddula Nikhileshwar Reddy
- Department of Nanomaterials and Application Technology, Center of Innovative and Applied Bioprocessing (CIAB), Sector-81 (Knowledge City), S.A.S. Nagar-140306, Mohali, Punjab, India
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER), Sector-81, S.A.S. Nagar-140306, Mohali, Punjab, India
| | - Uttam Chand Banerjee
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER), Sector-67, S.A.S. Nagar-160062, Mohali, Punjab, India
- Department of Pharmaceutical Technology (Biotechnology), National Institute of Pharmaceutical Education and Research (NIPER), Sector-67, S.A.S. Nagar-160062, Mohali, Punjab, India
| | - Jayeeta Bhaumik
- Department of Nanomaterials and Application Technology, Center of Innovative and Applied Bioprocessing (CIAB), Sector-81 (Knowledge City), S.A.S. Nagar-140306, Mohali, Punjab, India
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18
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Dias LM, Sharifi F, de Keijzer MJ, Mesquita B, Desclos E, Kochan JA, de Klerk DJ, Ernst D, de Haan LR, Franchi LP, van Wijk AC, Scutigliani EM, Cavaco JEB, Tedesco AC, Huang X, Pan W, Ding B, Krawczyk PM, Heger M. Attritional evaluation of lipophilic and hydrophilic metallated phthalocyanines for oncological photodynamic therapy. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2021; 216:112146. [PMID: 33601256 DOI: 10.1016/j.jphotobiol.2021.112146] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 01/22/2021] [Accepted: 01/26/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND AND AIM Oncological photodynamic therapy (PDT) relies on photosensitizers (PSs) to photo-oxidatively destroy tumor cells. Currently approved PSs yield satisfactory results in superficial and easy-to-access tumors but are less suited for solid cancers in internal organs such as the biliary system and the pancreas. For these malignancies, second-generation PSs such as metallated phthalocyanines are more appropriate. Presently it is not known which of the commonly employed metallated phtahlocyanines, namely aluminum phthalocyanine (AlPC) and zinc phthalocyanine (ZnPC) as well as their tetrasulfonated derivatives AlPCS4 and ZnPCS4, is most cytotoxic to tumor cells. This study therefore employed an attritional approach to ascertain the best metallated phthalocyanine for oncological PDT in a head-to-head comparative analysis and standardized experimental design. METHODS ZnPC and AlPC were encapsulated in PEGylated liposomes. Analyses were performed in cultured A431 cells as a template for tumor cells with a dysfunctional P53 tumor suppressor gene and EGFR overexpression. First, dark toxicity was assessed as a function of PS concentration using the WST-1 and sulforhodamine B assay. Second, time-dependent uptake and intracellular distribution were determined by flow cytometry and confocal microscopy, respectively, using the intrinsic fluorescence of the PSs. Third, the LC50 values were established for each PS at 671 nm and a radiant exposure of 15 J/cm2 following 1-h PS exposure. Finally, the mode of cell death as a function of post-PDT time and cell cycle arrest at 24 h after PDT were analyzed. RESULTS In the absence of illumination, AlPC and ZnPC were not toxic to cells up to a 1.5-μM PS concentration and exposure for up to 72 h. Dark toxicity was noted for AlPCS4 at 5 μM and ZnPCS4 at 2.5 μM. Uptake of all PSs was observed as early as 1 min after PS addition to cells and increased in amplitude during a 2-h incubation period. After 60 min, the entire non-nuclear space of the cell was photosensitized, with PS accumulation in multiple subcellular structures, especially in case of AlPC and AlPCS4. PDT of cells photosensitized with ZnPC, AlPC, and AlPCS4 yielded LC50 values of 0.13 μM, 0.04 μM, and 0.81 μM, respectively, 24 h post-PDT (based on sulforhodamine B assay). ZnPCS4 did not induce notable phototoxicity, which was echoed in the mode of cell death and cell cycle arrest data. At 4 h post-PDT, the mode of cell death comprised mainly apoptosis for ZnPC and AlPC, the extent of which was gradually exacerbated in AlPC-photosensitized cells during 8 h. ZnPC-treated cells seemed to recover at 8 h post-PDT compared to 4 h post-PDT, which had been observed before in another cell line. AlPCS4 induced considerable necrosis in addition to apoptosis, whereby most of the cell death had already manifested at 2 h after PDT. During the course of 8 h, necrotic cell death transitioned into mainly late apoptotic cell death. Cell death signaling coincided with a reduction in cells in the G0/G1 phase (ZnPC, AlPC, AlPCS4) and cell cycle arrest in the S-phase (ZnPC, AlPC, AlPCS4) and G2 phase (ZnPC and AlPC). Cell cycle arrest was most profound in cells that had been photosensitized with AlPC and subjected to PDT. CONCLUSIONS Liposomal AlPC is the most potent PS for oncological PDT, whereas ZnPCS4 was photodynamically inert in A431 cells. AlPC did not induce dark toxicity at PS concentrations of up to 1.5 μM, i.e., > 37 times the LC50 value, which is favorable in terms of clinical phototoxicity issues. AlPC photosensitized multiple intracellular loci, which was associated with extensive, irreversible cell death signaling that is expected to benefit treatment efficacy and possibly immunological long-term tumor control, granted that sufficient AlPC will reach the tumor in vivo. Given the differential pharmacokinetics, intracellular distribution, and cell death dynamics, liposomal AlPC may be combined with AlPCS4 in a PS cocktail to further improve PDT efficacy.
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Affiliation(s)
- Lionel Mendes Dias
- Department of Pharmaceutics, Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, PR China; CICS-UBI, Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal; Department of Medical Biology, Cancer Center Amsterdam, Amsterdam UMC, Amsterdam, The Netherlands
| | - Farangis Sharifi
- Department of Medical Biology, Cancer Center Amsterdam, Amsterdam UMC, Amsterdam, The Netherlands; Laboratory of Experimental Oncology and Radiobiology (LEXOR), Cancer Center Amsterdam, Academic Medical Center, Amsterdam, The Netherlands
| | - Mark J de Keijzer
- Department of Pharmaceutics, Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, PR China; Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Barbara Mesquita
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Emilie Desclos
- Department of Medical Biology, Cancer Center Amsterdam, Amsterdam UMC, Amsterdam, The Netherlands; Laboratory of Experimental Oncology and Radiobiology (LEXOR), Cancer Center Amsterdam, Academic Medical Center, Amsterdam, The Netherlands
| | - Jakub A Kochan
- Department of Medical Biology, Cancer Center Amsterdam, Amsterdam UMC, Amsterdam, The Netherlands; Laboratory of Experimental Oncology and Radiobiology (LEXOR), Cancer Center Amsterdam, Academic Medical Center, Amsterdam, The Netherlands
| | - Daniel J de Klerk
- Department of Pharmaceutics, Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, PR China
| | - Daniël Ernst
- Department of Pharmaceutics, Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, PR China
| | - Lianne R de Haan
- Department of Pharmaceutics, Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, PR China
| | - Leonardo P Franchi
- Departamento de Bioquímica e Biologia Molecular, Instituto de Ciências Biológicas (ICB) 2, Campus Samambaia, Universidade Federal de Goiás (UFG), Goiânia, GO, Brazil; Department of Chemistry, Center of Nanotechnology and Tissue Engineering - Photobiology and Photomedicine Research Group, Faculty of Philosophy, Sciences, and Letters of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Albert C van Wijk
- Department of Medical Biology, Cancer Center Amsterdam, Amsterdam UMC, Amsterdam, The Netherlands
| | - Enzo M Scutigliani
- Department of Medical Biology, Cancer Center Amsterdam, Amsterdam UMC, Amsterdam, The Netherlands; Laboratory of Experimental Oncology and Radiobiology (LEXOR), Cancer Center Amsterdam, Academic Medical Center, Amsterdam, The Netherlands
| | - José E B Cavaco
- CICS-UBI, Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal
| | - Antonio C Tedesco
- Department of Chemistry, Center of Nanotechnology and Tissue Engineering - Photobiology and Photomedicine Research Group, Faculty of Philosophy, Sciences, and Letters of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Xuan Huang
- Department of Pharmaceutics, Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, PR China
| | - Weiwei Pan
- Department of Cell Biology, College of Medicine, Jiaxing University, Jiaxing, PR China
| | - Baoyue Ding
- Department of Pharmaceutics, Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, PR China
| | - Przemek M Krawczyk
- Department of Medical Biology, Cancer Center Amsterdam, Amsterdam UMC, Amsterdam, The Netherlands; Laboratory of Experimental Oncology and Radiobiology (LEXOR), Cancer Center Amsterdam, Academic Medical Center, Amsterdam, The Netherlands
| | - Michal Heger
- Department of Pharmaceutics, Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, PR China; Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands.
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Ali S, Amin MU, Tariq I, Sohail MF, Ali MY, Preis E, Ambreen G, Pinnapireddy SR, Jedelská J, Schäfer J, Bakowsky U. Lipoparticles for Synergistic Chemo-Photodynamic Therapy to Ovarian Carcinoma Cells: In vitro and in vivo Assessments. Int J Nanomedicine 2021; 16:951-976. [PMID: 33603362 PMCID: PMC7884954 DOI: 10.2147/ijn.s285950] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Accepted: 12/17/2020] [Indexed: 02/04/2023] Open
Abstract
PURPOSE Lipoparticles are the core-shell type lipid-polymer hybrid systems comprising polymeric nanoparticle core enveloped by single or multiple pegylated lipid layers (shell), thereby melding the biomimetic properties of long-circulating vesicles as well as the mechanical advantages of the nanoparticles. The present study was aimed at the development of such an integrated system, combining the photodynamic and chemotherapeutic approaches for the treatment of multidrug-resistant cancers. METHODS For this rationale, two different sized Pirarubicin (THP) loaded poly lactic-co-glycolic acid (PLGA) nanoparticles were prepared by emulsion solvent evaporation technique, whereas liposomes containing Temoporfin (mTHPC) were prepared by lipid film hydration method. Physicochemical and morphological characterizations were done using dynamic light scattering, laser doppler anemometry, atomic force microscopy, and transmission electron microscopy. The quantitative assessment of cell damage was determined using MTT and reactive oxygen species (ROS) assay. The biocompatibility of the nanoformulations was evaluated with serum stability testing, haemocompatibility as well as acute in vivo toxicity using female albino (BALB/c) mice. RESULTS AND CONCLUSION The mean hydrodynamic diameter of the formulations was found between 108.80 ± 2.10 to 405.70 ± 10.00 nm with the zeta (ζ) potential ranging from -12.70 ± 1.20 to 5.90 ± 1.10 mV. Based on the physicochemical evaluations, the selected THP nanoparticles were coated with mTHPC liposomes to produce lipid-coated nanoparticles (LCNPs). A significant (p< 0.001) cytotoxicity synergism was evident in LCNPs when irradiated at 652 nm, using an LED device. No incidence of genotoxicity was observed as seen with the comet assay. The LCNPs decreased the generalized in vivo toxicity as compared to the free drugs and was evident from the serum biochemical profile, visceral body index, liver function tests as well as renal function tests. The histopathological examinations of the vital organs revealed no significant evidence of toxicity suggesting the safety and efficacy of our lipid-polymer hybrid system.
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Affiliation(s)
- Sajid Ali
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Marburg, Germany
| | - Muhammad Umair Amin
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Marburg, Germany
- Faculty of Pharmacy, The University of Lahore, Lahore, Pakistan
| | - Imran Tariq
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Marburg, Germany
- Punjab University College of Pharmacy, University of the Punjab, Allama Iqbal Campus, Lahore, Pakistan
| | - Muhammad Farhan Sohail
- Riphah Institute of Pharmaceutical Sciences (RIPS), Riphah International University, Lahore, Pakistan
- Department of Pharmacy, Faculty of Health and Medical Science, University of Copenhagen, Copenhagen, Denmark
| | - Muhammad Yasir Ali
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Marburg, Germany
- Faculty of Pharmaceutical Sciences, GC University Faisalabad, Faisalabad, Pakistan
| | - Eduard Preis
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Marburg, Germany
| | - Ghazala Ambreen
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Marburg, Germany
| | | | - Jarmila Jedelská
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Marburg, Germany
| | - Jens Schäfer
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Marburg, Germany
| | - Udo Bakowsky
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Marburg, Germany
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Das S, Tiwari M, Mondal D, Sahoo BR, Tiwari DK. Growing tool-kit of photosensitizers for clinical and non-clinical applications. J Mater Chem B 2020; 8:10897-10940. [PMID: 33165483 DOI: 10.1039/d0tb02085k] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Photosensitizers are photosensitive molecules utilized in clinical and non-clinical applications by taking advantage of light-mediated reactive oxygen generation, which triggers local and systemic cellular toxicity. Photosensitizers are used for diverse biological applications such as spatio-temporal inactivation of a protein in a living system by chromophore-assisted light inactivation, localized cell photoablation, photodynamic and immuno-photodynamic therapy, and correlative light-electron microscopy imaging. Substantial efforts have been made to develop several genetically encoded, chemically synthesized, and nanotechnologically driven photosensitizers for successful implementation in redox biology applications. Genetically encoded photosensitizers (GEPS) or reactive oxygen species (ROS) generating proteins have the advantage of using them in the living system since they can be manipulated by genetic engineering with a variety of target-specific genes for the precise spatio-temporal control of ROS generation. The GEPS variety is limited but is expanding with a variety of newly emerging GEPS proteins. Apart from GEPS, a large variety of chemically- and nanotechnologically-empowered photosensitizers have been developed with a major focus on photodynamic therapy-based cancer treatment alone or in combination with pre-existing treatment methods. Recently, immuno-photodynamic therapy has emerged as an effective cancer treatment method using smartly designed photosensitizers to initiate and engage the patient's immune system so as to empower the photosensitizing effect. In this review, we have discussed various types of photosensitizers, their clinical and non-clinical applications, and implementation toward intelligent efficacy, ROS efficiency, and target specificity in biological systems.
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Affiliation(s)
- Suman Das
- Department of Biotechnology, Faculty of Life Sciences and Environment, Goa University, Taleigao Plateau, Goa 403206, India.
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21
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Li Y, Cui ZJ. Photodynamic Activation of Cholecystokinin 1 Receptor with Different Genetically Encoded Protein Photosensitizers and from Varied Subcellular Sites. Biomolecules 2020; 10:biom10101423. [PMID: 33050050 PMCID: PMC7601527 DOI: 10.3390/biom10101423] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 10/01/2020] [Accepted: 10/06/2020] [Indexed: 02/07/2023] Open
Abstract
Cholecystokinin 1 receptor (CCK1R) is activated by singlet oxygen (1O2) generated in photodynamic action with sulphonated aluminum phthalocyanine (SALPC) or genetically encoded protein photosensitizer (GEPP) KillerRed or mini singlet oxygen generator (miniSOG). A large number of GEPP with varied 1O2 quantum yields have appeared recently; therefore, in the present work, the efficacy of different GEPP to photodynamically activate CCK1R was examined, as monitored by Fura-2 calcium imaging. KillerRed, miniSOG, miniSOG2, singlet oxygen protein photosensitizer (SOPP), flavin-binding fluorescent protein from Methylobacterium radiotolerans with point mutation C71G (Mr4511C71G), and flavin-binding fluorescent protein from Dinoroseobacter shibae (DsFbFP) were expressed at the plasma membrane (PM) in AR4-2J cells, which express endogenous CCK1R. Light irradiation (KillerRed: white light 85.3 mW‧cm-2, 4' and all others: LED 450 nm, 85 mW·cm-2, 1.5') of GEPPPM-expressing AR4-2J was found to all trigger persistent calcium oscillations, a hallmark of permanent photodynamic CCK1R activation; DsFbFP was the least effective, due to poor expression. miniSOG was targeted to PM, mitochondria (MT) or lysosomes (LS) in AR4-2J in parallel experiments; LED light irradiation was found to all induce persistent calcium oscillations. In miniSOGPM-AR4-2J cells, light emitting diode (LED) light irradiation-induced calcium oscillations were readily inhibited by CCK1R antagonist devazepide 2 nM; miniSOGMT-AR4-2J cells were less susceptible, but miniSOGLS-AR4-2J cells were not inhibited. In conclusion, different GEPPPM could all photodynamically activate CCK1R. Intracellular GEPP photodynamic action may prove particularly suited to study intracellular GPCR.
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Chizenga EP, Abrahamse H. Nanotechnology in Modern Photodynamic Therapy of Cancer: A Review of Cellular Resistance Patterns Affecting the Therapeutic Response. Pharmaceutics 2020; 12:pharmaceutics12070632. [PMID: 32640564 PMCID: PMC7407821 DOI: 10.3390/pharmaceutics12070632] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 06/23/2020] [Accepted: 06/30/2020] [Indexed: 12/23/2022] Open
Abstract
Photodynamic therapy (PDT) has emerged as a potential therapeutic option for most localized cancers. Its high measure of specificity and minimal risk of side effects compared to other therapies has put PDT on the forefront of cancer research in the current era. The primary cause of treatment failure and high mortality rates is the occurrence of cancer resistance to therapy. Hence, PDT is designed to be selective and tumor-specific. However, because of complex biological characteristics and cell signaling, cancer cells have shown a propensity to acquire cellular resistance to PDT by modulating the photosensitization process or its products. Fortunately, nanotechnology has provided many answers in biomedical and clinical applications, and modern PDT now employs the use of nanomaterials to enhance its efficacy and mitigate the effects of acquired resistance. This review, therefore, sought to scrutinize the mechanisms of cellular resistance that affect the therapeutic response with an emphasis on the use of nanomaterials as a way of overriding cancer cell resistance. The resistance mechanisms that have been reported are complex and photosensitizer (PS)-specific. We conclude that altering the structure of PSs using nanotechnology is an ideal paradigm for enhancing PDT efficacy in the presence of cellular resistance.
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Wavelength dependent photo-cytotoxicity to ovarian carcinoma cells using temoporfin loaded tetraether liposomes as efficient drug delivery system. Eur J Pharm Biopharm 2020; 150:50-65. [DOI: 10.1016/j.ejpb.2020.03.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 02/27/2020] [Accepted: 03/04/2020] [Indexed: 01/10/2023]
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Deda DK, Iglesias BA, Alves E, Araki K, Garcia CRS. Porphyrin Derivative Nanoformulations for Therapy and Antiparasitic Agents. Molecules 2020; 25:molecules25092080. [PMID: 32365664 PMCID: PMC7249045 DOI: 10.3390/molecules25092080] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 04/21/2020] [Accepted: 04/22/2020] [Indexed: 12/12/2022] Open
Abstract
Porphyrins and analogous macrocycles exhibit interesting photochemical, catalytic, and luminescence properties demonstrating high potential in the treatment of several diseases. Among them can be highlighted the possibility of application in photodynamic therapy and antimicrobial/antiparasitic PDT, for example, of malaria parasite. However, the low efficiency generally associated with their low solubility in water and bioavailability have precluded biomedical applications. Nanotechnology can provide efficient strategies to enhance bioavailability and incorporate targeted delivery properties to conventional pharmaceuticals, enhancing the effectiveness and reducing the toxicity, thus improving the adhesion to the treatment. In this way, those limitations can be overcome by using two main strategies: (1) Incorporation of hydrophilic substituents into the macrocycle ring while controlling the interaction with biological systems and (2) by including them in nanocarriers and delivery nanosystems. This review will focus on antiparasitic drugs based on porphyrin derivatives developed according to these two strategies, considering their vast and increasing applications befitting the multiple roles of these compounds in nature.
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Affiliation(s)
- Daiana K. Deda
- Department of Fundamental Chemistry, Institute of Chemistry, University of Sao Paulo, Av. Prof. Lineu Prestes 748, Butanta, Sao Paulo, SP 05508-000, Brazil; (D.K.D.); (K.A.)
| | - Bernardo A. Iglesias
- Bioinorganic and Porphyrinoid Materials Laboratory, Department of Chemistry, Federal University of Santa Maria, Av. Roraima 1000, Camobi, Santa Maria, RS 97105-900, Brazil;
| | - Eduardo Alves
- Department of Life Science, Imperial College London, Sir Alexander Fleming Building, South Kensington, London SW7 2AZ, UK;
| | - Koiti Araki
- Department of Fundamental Chemistry, Institute of Chemistry, University of Sao Paulo, Av. Prof. Lineu Prestes 748, Butanta, Sao Paulo, SP 05508-000, Brazil; (D.K.D.); (K.A.)
| | - Celia R. S. Garcia
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Av. Prof. Lineu Prestes, 580, Sao Paulo, SP 05508-900, Brazil
- Correspondence: ; Tel.: +55-11-2648-0954
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25
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Liu Y, Fens MH, Lou B, van Kronenburg NC, Maas-Bakker RF, Kok RJ, Oliveira S, Hennink WE, van Nostrum CF. π-π-Stacked Poly(ε-caprolactone)- b-poly(ethylene glycol) Micelles Loaded with a Photosensitizer for Photodynamic Therapy. Pharmaceutics 2020; 12:pharmaceutics12040338. [PMID: 32283871 PMCID: PMC7238042 DOI: 10.3390/pharmaceutics12040338] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 04/03/2020] [Accepted: 04/06/2020] [Indexed: 12/14/2022] Open
Abstract
To improve the in vivo stability of poly(ε-caprolactone)-b-poly(ethylene glycol) (PCL-PEG)-based micelles and cargo retention by π-π stacking interactions, pendant aromatic rings were introduced by copolymerization of ε-caprolactone with benzyl 5-methyl-2-oxo-1,3-dioxane-5-carboxylate (TMC-Bz). It was shown that the incorporation of aromatic rings yielded smaller micelles (18–30 nm) with better colloidal stability in PBS than micelles without aromatic groups. The circulation time of i.v. injected micelles containing multiple pendant aromatic groups was longer (t½-α: ~0.7 h; t½-β: 2.9 h) than that of micelles with a single terminal aromatic group (t½ < 0.3 h). In addition, the in vitro partitioning of the encapsulated photosensitizer (meta-tetra(hydroxyphenyl)chlorin, mTHPC) between micelles and human plasma was favored towards micelles for those that contained the pendant aromatic groups. However, this was not sufficient to fully retain mTHPC in the micelles in vivo, as indicated by similar biodistribution patterns of micellar mTHPC compared to free mTHPC, and unequal biodistribution patterns of mTHPC and the host micelles. Our study points out that more detailed in vitro methods are necessary to more reliably predict in vivo outcomes. Furthermore, additional measures beyond π-π stacking are needed to stably incorporate mTHPC in micelles in order to benefit from the use of micelles as targeted delivery systems.
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Affiliation(s)
- Yanna Liu
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands; (Y.L.); (B.L.); (N.C.H.v.K.); (R.J.K.); (S.O.); (W.E.H.)
| | - Marcel H.A.M. Fens
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands; (Y.L.); (B.L.); (N.C.H.v.K.); (R.J.K.); (S.O.); (W.E.H.)
| | - Bo Lou
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands; (Y.L.); (B.L.); (N.C.H.v.K.); (R.J.K.); (S.O.); (W.E.H.)
| | - Nicky C.H. van Kronenburg
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands; (Y.L.); (B.L.); (N.C.H.v.K.); (R.J.K.); (S.O.); (W.E.H.)
| | - Roel F.M. Maas-Bakker
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands; (Y.L.); (B.L.); (N.C.H.v.K.); (R.J.K.); (S.O.); (W.E.H.)
| | - Robbert J. Kok
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands; (Y.L.); (B.L.); (N.C.H.v.K.); (R.J.K.); (S.O.); (W.E.H.)
| | - Sabrina Oliveira
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands; (Y.L.); (B.L.); (N.C.H.v.K.); (R.J.K.); (S.O.); (W.E.H.)
- Division of Cell Biology, Neurobiology and Biophysics, Department of Biology, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
| | - Wim E. Hennink
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands; (Y.L.); (B.L.); (N.C.H.v.K.); (R.J.K.); (S.O.); (W.E.H.)
| | - Cornelus F. van Nostrum
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands; (Y.L.); (B.L.); (N.C.H.v.K.); (R.J.K.); (S.O.); (W.E.H.)
- Correspondence: ; Tel.: +31-620274607
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26
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Predicting human pharmacokinetics of liposomal temoporfin using a hybrid in silico model. Eur J Pharm Biopharm 2020; 149:121-134. [DOI: 10.1016/j.ejpb.2020.02.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 12/21/2019] [Accepted: 02/04/2020] [Indexed: 01/28/2023]
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Liu Y, Scrivano L, Peterson JD, Fens MHAM, Hernández IB, Mesquita B, Toraño JS, Hennink WE, van Nostrum CF, Oliveira S. EGFR-Targeted Nanobody Functionalized Polymeric Micelles Loaded with mTHPC for Selective Photodynamic Therapy. Mol Pharm 2020; 17:1276-1292. [PMID: 32142290 PMCID: PMC7140040 DOI: 10.1021/acs.molpharmaceut.9b01280] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
![]()
meta-Tetra(hydroxyphenyl)chlorin
(mTHPC) is one
of the most potent second-generation photosensitizers, clinically
used for photodynamic therapy (PDT) of head and neck squamous cell
carcinomas. However, improvements are still required concerning its
present formulation (i.e., Foscan, a solution of mTHPC in ethanol/propylene
glycol (40:60 w/w)), as mTHPC has the tendency to aggregate in aqueous
media, e.g., biological fluids, and it has limited tumor specificity.
In the present study, polymeric micelles with three different diameters
(17, 24, and 45 nm) based on benzyl-poly(ε-caprolactone)-b-poly(ethylene glycol) (PCLn-PEG; n = 9, 15, or 23) were prepared with mTHPC
loadings ranging from 0.5 to 10 wt % using a film-hydration method
as advanced nanoformulations for this photosensitizer. To favor the
uptake of the micelles by cancer cells that overexpress the epidermal
growth factor receptor (EGFR), the micelles were decorated with an
EGFR-targeted nanobody (named EGa1) through maleimide-thiol chemistry.
The enhanced binding of the EGFR-targeted micelles at 4 °C to
EGFR-overexpressing A431 cells, compared to low-EGFR-expressing HeLa
cells, confirmed the specificity of the micelles. In addition, an
enhanced uptake of mTHPC-loaded micelles by A431 cells was observed
when these were decorated with the EGa1 nanobody, compared to nontargeted
micelles. Both binding and uptake of targeted micelles were blocked
by an excess of free EGa1 nanobody, demonstrating that these processes
occur through EGFR. In line with this, mTHPC loaded in EGa1-conjugated
PCL23-PEG (EGa1-P23) micelles demonstrated 4
times higher photocytotoxicity on A431 cells, compared to micelles
lacking the nanobody. Importantly, EGa1-P23 micelles also
showed selective PDT against A431 cells compared to the low-EGFR-expressing
HeLa cells. Finally, an in vivo pharmacokinetic study
shows that after intravenous injection, mTHPC incorporated in the
P23 micelles displayed prolonged blood circulation kinetics,
compared to free mTHPC, independently of the presence of EGa1. Thus,
these results make these micelles a promising nanomedicine formulation
for selective therapy.
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Affiliation(s)
- Yanna Liu
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Luca Scrivano
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Julia Denise Peterson
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Marcel H A M Fens
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Irati Beltrán Hernández
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands.,Division of Cell Biology, Department of Biology, Utrecht University, 3584 CH Utrecht, The Netherlands
| | - Bárbara Mesquita
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Javier Sastre Toraño
- Department of Chemical Biology & Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Wim E Hennink
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Cornelus F van Nostrum
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Sabrina Oliveira
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands.,Division of Cell Biology, Department of Biology, Utrecht University, 3584 CH Utrecht, The Netherlands
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Zheng Y, Li Z, Chen H, Gao Y. Nanoparticle-based drug delivery systems for controllable photodynamic cancer therapy. Eur J Pharm Sci 2020; 144:105213. [PMID: 31926941 DOI: 10.1016/j.ejps.2020.105213] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 01/08/2020] [Accepted: 01/08/2020] [Indexed: 01/10/2023]
Abstract
Compared with the traditional treatment, photodynamic therapy (PDT) in the treatment of malignant tumors has the advantages of less damage to normal tissues, quick therapeutic effect, and ability to repeat treatments to the same site. However, most of the traditional photosensitizers (PSs) have severe skin photosensitization, poor tumor targeting, and low therapeutic effect in hypoxic tumor environment, which limit the application of PDT. Nanoparticle-based drug delivery systems can improve the targeting of PSs and release drugs with controllable photoactivity at predetermined locations, so as to achieve desired therapeutic effects with minimal side-effects. The present review summarizes the current nanoparticle platforms for PDT, and offers the description of different strategies including tumor-targeted delivery, controlled-release of PSs and the triggered photoactivity to achieve controllable PDT by nanoparticle-based drug delivery systems. The challenges and prospects for further development of intelligent PSs for PDT are also discussed.
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Affiliation(s)
- Yilin Zheng
- Cancer Metastasis Alert and Prevention Center, College of Chemistry, Fuzhou University, 2 Xueyuan Road, Yangguang Building, 6FL., Fuzhou, Fujian 350108, China; Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, Fuzhou University, 2 Xueyuan Road, Yangguang Building, 6FL., Fuzhou, Fujian 350108, China
| | - Ziying Li
- Cancer Metastasis Alert and Prevention Center, College of Chemistry, Fuzhou University, 2 Xueyuan Road, Yangguang Building, 6FL., Fuzhou, Fujian 350108, China; Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, Fuzhou University, 2 Xueyuan Road, Yangguang Building, 6FL., Fuzhou, Fujian 350108, China
| | - Haijun Chen
- Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, Fuzhou University, 2 Xueyuan Road, Yangguang Building, 6FL., Fuzhou, Fujian 350108, China
| | - Yu Gao
- Cancer Metastasis Alert and Prevention Center, College of Chemistry, Fuzhou University, 2 Xueyuan Road, Yangguang Building, 6FL., Fuzhou, Fujian 350108, China; Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, Fuzhou University, 2 Xueyuan Road, Yangguang Building, 6FL., Fuzhou, Fujian 350108, China.
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Li D, He S, Wu Y, Liu J, Liu Q, Chang B, Zhang Q, Xiang Z, Yuan Y, Jian C, Yu A, Cheng Z. Excretable Lanthanide Nanoparticle for Biomedical Imaging and Surgical Navigation in the Second Near-Infrared Window. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2019; 6:1902042. [PMID: 31832325 PMCID: PMC6891904 DOI: 10.1002/advs.201902042] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 09/15/2019] [Indexed: 04/14/2023]
Abstract
Recently, various second near-infrared window (NIR-II, 1000-1700 nm) fluorophores have been synthesized for in vivo imaging with nonradiation, high resolution, and low autofluorescence. However, most of the NIR-II fluorophores, especially inorganic nanoprobes, are mainly retained in the reticuloendothelial system (RES) such as the liver and spleen, leading to long-term safety concerns. Herein, a type of lanthanide-based excretable NIR-II nanoparticle, RENPs@Lips, which can be quickly cleared out of body after intravenous administration with half-lives of 23.0 h for the liver and 14.9 h for the spleen, is reported. Interestingly, over 90% of RENPs@Lips can be excreted through a hepatobiliary system within 72 h postinjection. The moderate blood half-time (T 1/2 = 17.96 min) allows for multifunctional applications in delineating the hemodynamics of vascular disorders (artery thrombosis, ischemia, and tumor angiogenesis) and monitoring blood perfusion in response to acute ischemia. In addition, RENPs@Lips exhibit high performance in identifying orthotopic tumor vessels intraoperatively and embolization surgery under NIR-II imaging navigation. Moreover, excellent signal-to-background ratio (SBR) is successfully achieved to facilitate sentinel lymph nodes biopsy (SLNB) with tumor-bearing mice. The high biocompatibility, favorable excretability, and outstanding optical properties warrant RENPs@Lips as novel promising NIR-II nanoparticles for future applications and translation into an interdisciplinary amalgamation of research in diverse fields.
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Affiliation(s)
- Daifeng Li
- Department of Orthopedics Trauma and MicrosurgeryZhongnan Hospital of Wuhan UniversityWuhanHubei430071China
- Molecular Imaging Program at Stanford (MIPS)Bio‐X Program and Department of RadiologyCanary Center at Stanford for Cancer Early DetectionStanford UniversityStanfordCA94305‐5344USA
| | - Shuqing He
- Molecular Imaging Program at Stanford (MIPS)Bio‐X Program and Department of RadiologyCanary Center at Stanford for Cancer Early DetectionStanford UniversityStanfordCA94305‐5344USA
- Academy for Advanced Interdisciplinary Studies and Department of Biomedical EngineeringSouthern University of Science and Technology (SUSTech)Shenzhen518055China
| | - Yifan Wu
- Department of Orthopedics Trauma and MicrosurgeryZhongnan Hospital of Wuhan UniversityWuhanHubei430071China
- Molecular Imaging Program at Stanford (MIPS)Bio‐X Program and Department of RadiologyCanary Center at Stanford for Cancer Early DetectionStanford UniversityStanfordCA94305‐5344USA
| | - Jianqiang Liu
- Department of OrthopedicsThe Fourth Hospital of JinanJinanShandong250031China
| | - Qiang Liu
- Molecular Imaging Program at Stanford (MIPS)Bio‐X Program and Department of RadiologyCanary Center at Stanford for Cancer Early DetectionStanford UniversityStanfordCA94305‐5344USA
| | - Baisong Chang
- Molecular Imaging Program at Stanford (MIPS)Bio‐X Program and Department of RadiologyCanary Center at Stanford for Cancer Early DetectionStanford UniversityStanfordCA94305‐5344USA
| | - Qing Zhang
- Molecular Imaging Program at Stanford (MIPS)Bio‐X Program and Department of RadiologyCanary Center at Stanford for Cancer Early DetectionStanford UniversityStanfordCA94305‐5344USA
| | - Zhanhong Xiang
- Molecular Imaging Program at Stanford (MIPS)Bio‐X Program and Department of RadiologyCanary Center at Stanford for Cancer Early DetectionStanford UniversityStanfordCA94305‐5344USA
| | - Ying Yuan
- Department of Orthopedics Trauma and MicrosurgeryZhongnan Hospital of Wuhan UniversityWuhanHubei430071China
| | - Chao Jian
- Department of Orthopedics Trauma and MicrosurgeryZhongnan Hospital of Wuhan UniversityWuhanHubei430071China
| | - Aixi Yu
- Department of Orthopedics Trauma and MicrosurgeryZhongnan Hospital of Wuhan UniversityWuhanHubei430071China
| | - Zhen Cheng
- Molecular Imaging Program at Stanford (MIPS)Bio‐X Program and Department of RadiologyCanary Center at Stanford for Cancer Early DetectionStanford UniversityStanfordCA94305‐5344USA
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Yang M, Yang T, Mao C. Enhancement of Photodynamic Cancer Therapy by Physical and Chemical Factors. Angew Chem Int Ed Engl 2019; 58:14066-14080. [PMID: 30663185 PMCID: PMC6800243 DOI: 10.1002/anie.201814098] [Citation(s) in RCA: 101] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Indexed: 12/25/2022]
Abstract
The viable use of photodynamic therapy (PDT) in cancer therapy has never been fully realized because of its undesirable effects on healthy tissues. Herein we summarize some physicochemical factors that can make PDT a more viable and effective option to provide future oncological patients with better-quality treatment options. These physicochemical factors include light sources, photosensitizer (PS) carriers, microwaves, electric fields, magnetic fields, and ultrasound. This Review is meant to provide current information pertaining to PDT use, including a discussion of in vitro and in vivo studies. Emphasis is placed on the physicochemical factors and their potential benefits in overcoming the difficulty in transitioning PDT into the medical field. Many advanced techniques, such as employing X-rays as a light source, using nanoparticle-loaded stem cells and bacteriophage bio-nanowires as a photosensitizer carrier, as well as integration with immunotherapy, are among the future directions.
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Affiliation(s)
- Mingying Yang
- College of Animal Science, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Tao Yang
- School of Materials Science and Engineering, Zhejiang University, Hangzhou, Zhejiang, 310027, China
| | - Chuanbin Mao
- School of Materials Science and Engineering, Zhejiang University, Hangzhou, Zhejiang, 310027, China
- Department of Chemistry & Biochemistry, Stephenson Life Science Research Center, Institute for Biomedical Engineering, Science and Technology, University of Oklahoma, 101 Stephenson Parkway, Norman, OK, 73019, USA
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Ghosh S, Carter KA, Lovell JF. Liposomal formulations of photosensitizers. Biomaterials 2019; 218:119341. [PMID: 31336279 PMCID: PMC6663636 DOI: 10.1016/j.biomaterials.2019.119341] [Citation(s) in RCA: 80] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 07/07/2019] [Accepted: 07/09/2019] [Indexed: 12/29/2022]
Abstract
Photodynamic therapy (PDT) is a clinical ablation modality to treat cancers and other diseases. PDT involves administration of a photosensitizer, followed by irradiation of target tissue with light. As many photosensitizers are small and hydrophobic, solubilization approaches and nanoscale delivery vehicles have been extensively explored. Liposomes and lipid-based formulations have been used for the past 30 years, and in some cases have been developed into well-defined commercial PDT products. This review provides an overview of common liposomal formulation strategies for photosensitizers for PDT and also photothermal therapy. Furthermore, research efforts have examined the impact of co-loading therapeutic cargo along with photosensitizers within liposomes. Additional recent approaches including imaging, overcoming hypoxia, upconversion and activatable liposomal formulations are discussed.
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Affiliation(s)
- Sanjana Ghosh
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY, 14260, USA
| | - Kevin A Carter
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY, 14260, USA
| | - Jonathan F Lovell
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY, 14260, USA.
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Aggarwal A, Samaroo D, Jovanovic IR, Singh S, Tuz MP, Mackiewicz MR. Porphyrinoid-based photosensitizers for diagnostic and therapeutic applications: An update. J PORPHYR PHTHALOCYA 2019. [DOI: 10.1142/s1088424619300118] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Porphyrin-based molecules are actively studied as dual function theranostics: fluorescence-based imaging for diagnostics and fluorescence-guided therapeutic treatment of cancers. The intrinsic fluorescent and photodynamic properties of the bimodal molecules allows for these theranostic approaches. Several porphyrinoids bearing both hydrophilic and/or hydrophobic units at their periphery have been developed for the aforementioned applications, but better tumor selectivity and high efficacy to destroy tumor cells is always a key setback for their use. Another issue related to their effective clinical use is that, most of these chromophores form aggregates under physiological conditions. Nanomaterials that are known to possess incredible properties that cannot be achieved from their bulk systems can serve as carriers for these chromophores. Porphyrinoids, when conjugated with nanomaterials, can be enabled to perform as multifunctional nanomedicine devices. The integrated properties of these porphyrinoid-nanomaterial conjugated systems make them useful for selective drug delivery, theranostic capabilities, and multimodal bioimaging. This review highlights the use of porphyrins, chlorins, bacteriochlorins, phthalocyanines and naphthalocyanines as well as their multifunctional nanodevices in various biomedical theranostic platforms.
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Affiliation(s)
- Amit Aggarwal
- LaGuardia Community College, 31-10 Thomson Ave., Long Island City, NY 11101, USA
| | - Diana Samaroo
- New York City College of Technology, Department of Chemistry, 285 Jay Street, Brooklyn, NY 11201, USA
- Graduate Center, 365 5th Ave, New York, NY 10016, USA
| | | | - Sunaina Singh
- LaGuardia Community College, 31-10 Thomson Ave., Long Island City, NY 11101, USA
| | - Michelle Paola Tuz
- LaGuardia Community College, 31-10 Thomson Ave., Long Island City, NY 11101, USA
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Yang M, Yang T, Mao C. Optimierung photodynamischer Krebstherapien auf der Grundlage physikalisch‐chemischer Faktoren. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201814098] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Mingying Yang
- College of Animal Science Zhejiang University Hangzhou Zhejiang 310058 China
| | - Tao Yang
- School of Materials Science and Engineering Zhejiang University Hangzhou Zhejiang 310027 China
| | - Chuanbin Mao
- Department of Chemistry & Biochemistry, Stephenson Life Science Research Center Institute for Biomedical Engineering, Science and Technology University of Oklahoma 101 Stephenson Parkway Norman OK 73019 USA
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Yakavets I, Millard M, Zorin V, Lassalle HP, Bezdetnaya L. Current state of the nanoscale delivery systems for temoporfin-based photodynamic therapy: Advanced delivery strategies. J Control Release 2019; 304:268-287. [PMID: 31136810 DOI: 10.1016/j.jconrel.2019.05.035] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 05/21/2019] [Accepted: 05/23/2019] [Indexed: 12/22/2022]
Abstract
Enthusiasm for photodynamic therapy (PDT) as a promising technique to eradicate various cancers has increased exponentially in recent decades. The majority of clinically approved photosensitizers are hydrophobic in nature, thus, the effective delivery of photosensitizers at the targeted site is the main hurdle associated with PDT. Temoporfin (mTHPC, medicinal product name: Foscan®), is one of the most potent clinically approved photosensitizers, is not an exception. Successful temoporfin-PDT requires nanoscale delivery systems for selective delivery of photosensitizer. Over the last 25 years, the number of papers on nanoplatforms developed for mTHPC delivery such as conjugates, host-guest inclusion complexes, lipid-and polymer-based nanoparticles and carbon nanotubes is burgeoning. However, none of them appeared to be "ultimate". The present review offers the description of different challenges and achievements in nanoparticle-based mTHPC delivery focusing on the synergetic combination of various nano-platforms to improve temoporfin delivery at all stages of biodistribution. Furthermore, the association of different nanoparticles in one nanoplatform might be considered as an advanced strategy allowing the combination of several treatment modalities.
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Affiliation(s)
- Ilya Yakavets
- Centre de Recherche en Automatique de Nancy, Centre National de la Recherche Scientifique UMR 7039, Université de Lorraine, Campus Sciences, Boulevard des Aiguillette, 54506 Vandoeuvre-lès-Nancy, France; Research Department, Institut de Cancérologie de Lorraine, 6 avenue de Bourgogne, 54519 Vandoeuvre-lès-Nancy, France; Laboratory of Biophysics and Biotechnology, Belarusian State University, 4 Nezavisimosti Avenue, 220030 Minsk, Belarus.
| | - Marie Millard
- Centre de Recherche en Automatique de Nancy, Centre National de la Recherche Scientifique UMR 7039, Université de Lorraine, Campus Sciences, Boulevard des Aiguillette, 54506 Vandoeuvre-lès-Nancy, France; Research Department, Institut de Cancérologie de Lorraine, 6 avenue de Bourgogne, 54519 Vandoeuvre-lès-Nancy, France.
| | - Vladimir Zorin
- Laboratory of Biophysics and Biotechnology, Belarusian State University, 4 Nezavisimosti Avenue, 220030 Minsk, Belarus; International Sakharov Environmental Institute, Belarusian State University, Dauhabrodskaja 23, 220030 Minsk, Belarus.
| | - Henri-Pierre Lassalle
- Centre de Recherche en Automatique de Nancy, Centre National de la Recherche Scientifique UMR 7039, Université de Lorraine, Campus Sciences, Boulevard des Aiguillette, 54506 Vandoeuvre-lès-Nancy, France; Research Department, Institut de Cancérologie de Lorraine, 6 avenue de Bourgogne, 54519 Vandoeuvre-lès-Nancy, France.
| | - Lina Bezdetnaya
- Centre de Recherche en Automatique de Nancy, Centre National de la Recherche Scientifique UMR 7039, Université de Lorraine, Campus Sciences, Boulevard des Aiguillette, 54506 Vandoeuvre-lès-Nancy, France; Research Department, Institut de Cancérologie de Lorraine, 6 avenue de Bourgogne, 54519 Vandoeuvre-lès-Nancy, France.
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Kadhim A, McKenzie LK, Bryant HE, Twyman LJ. Synthesis and Aggregation of a Porphyrin-Cored Hyperbranched Polyglycidol and Its Application as a Macromolecular Photosensitizer for Photodynamic Therapy. Mol Pharm 2019; 16:1132-1139. [PMID: 30694688 DOI: 10.1021/acs.molpharmaceut.8b01119] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Macromolecules are potentially useful delivery systems for cancer drugs, as their size allows them to utilize the enhanced permeability and retention effect (EPR), which facilitates selective delivery to (and retention within) tumors. In addition, macromolecular delivery systems can prolong circulation times as well as protect and solubilize toxic and hydrophobic drug moieties. Overall, these properties and abilities can result in an enhanced therapeutic effect. Photodynamic therapy (PDT) combines the use of oxygen and a photosensitizer (PS), which become toxic upon light irradiation. We proposed that a PS encapsulated within a water-soluble macromolecule could exploit the EPR effect and safely and selectively deliver the PS to a tumor. In this paper, we describe the synthesis of a porphyrin-cored hyperbranched polymer that aggregated into larger micellar structures. DLS and TEM indicated that these aggregated structures had diameters of 45 and 20 nm for the solvated and nonsolvated species, respectively. The porphyrin-cored HBP (PC-HBP), along with the nonencapsulated porphyrin (THPP), were screened against EJ bladder carcinoma cells in the dark and light. Both THPP and PC-HBP displayed good toxicity in the light, with LD50 concentrations of 0.5 and 1.7 μM, respectively. However, in the dark, the nonincorporated porphyrin (THPP) displayed significant toxicity, generating an LD50 of 4 μM. On the other hand, no dark toxicity was observed for the polymer system (PC-HBP) at concentrations of 100 μM or less. As such, incorporation within the large polymer aggregate serves to eliminate dark toxicity while maintaining excellent toxicity when irradiated.
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Affiliation(s)
- Alaa Kadhim
- Department of Chemistry , University of Sheffield , Sheffield S3 7HF , U.K
| | - Luke K McKenzie
- Department of Chemistry , University of Sheffield , Sheffield S3 7HF , U.K
- Department of Oncology and Metabolism , University of Sheffield , Sheffield S10 2RX , U.K
| | - Helen E Bryant
- Department of Oncology and Metabolism , University of Sheffield , Sheffield S10 2RX , U.K
| | - Lance James Twyman
- Department of Chemistry , University of Sheffield , Sheffield S3 7HF , U.K
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Massiot J, Rosilio V, Ibrahim N, Yamamoto A, Nicolas V, Konovalov O, Tanaka M, Makky A. Newly Synthesized Lipid-Porphyrin Conjugates: Evaluation of Their Self-Assembling Properties, Their Miscibility with Phospholipids and Their Photodynamic Activity In Vitro. Chemistry 2018; 24:19179-19194. [PMID: 30362192 DOI: 10.1002/chem.201804865] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 10/23/2018] [Indexed: 01/19/2023]
Abstract
Lipid-porphyrin conjugates are considered nowadays as promising building blocks for the conception of supramolecular structures with multifunctional properties, required for efficient cancer therapy by photodynamic therapy (PDT). The synthesis of two new lipid-porphyrin conjugates coupling pheophorbide-a (Pheo-a), a photosensitizer derived from chlorophyll-a, to either chemically modified lyso-phosphatidylcholine (PhLPC) or egg lyso-sphingomyelin (PhLSM) is reported. The impact of the lipid backbone of these conjugates on their self-assembling properties, as well as on their physicochemical properties, including interfacial behavior at the air/buffer interface, fluorescence and absorption properties, thermotropic behavior, and incorporation rate in the membrane of liposomes were studied. Finally, their photodynamic activity was evaluated on esophageal squamous cell carcinoma (ESCC) and normal esophageal squamous epithelium cell lines. The liposome-like vesicles resulting from self-assembly of the pure conjugates were unstable and turned into aggregates with undefined structure within few days. However, both lipid-porphyrin conjugates could be efficiently incorporated in lipid vesicles, with higher loading rates than unconjugated Pheo-a. Interestingly, phototoxicity tests of free and liposome-incorporated lipid-porphyrin conjugates demonstrated a better selectivity in vitro to esophageal squamous cell carcinoma relative to normal cells.
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Affiliation(s)
- Julien Massiot
- Institut Galien Paris Sud, Univ Paris-Sud, CNRS, Université Paris-Saclay, 92296, Châtenay-Malabry, France
| | - Véronique Rosilio
- Institut Galien Paris Sud, Univ Paris-Sud, CNRS, Université Paris-Saclay, 92296, Châtenay-Malabry, France
| | - Nada Ibrahim
- Institut Galien Paris Sud, Univ Paris-Sud, CNRS, Université Paris-Saclay, 92296, Châtenay-Malabry, France
| | - Akihisa Yamamoto
- Center for Integrative Medicine and Physics, Institute for Advanced Study, Kyoto University, 606-8501, Kyoto, Japan
| | - Valérie Nicolas
- UMS IPSIT, Univ Paris-Sud, US 31 INSERM, UMS 3679 CNRS, 92290, Châtenay-Malabry, France
| | - Oleg Konovalov
- European Synchrotron Radiation Facility (ESRF), Grenoble Cedex 9, 38053, France
| | - Motomu Tanaka
- Center for Integrative Medicine and Physics, Institute for Advanced Study, Kyoto University, 606-8501, Kyoto, Japan.,Physical Chemistry of Biosystems, Physical Chemistry Institute, University of Heidelberg, 69120, Heidelberg, Germany
| | - Ali Makky
- Institut Galien Paris Sud, Univ Paris-Sud, CNRS, Université Paris-Saclay, 92296, Châtenay-Malabry, France
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Pereira LS, Camacho SA, Malfatti-Gasperini AA, Jochelavicius K, Nobre TM, Oliveira ON, Aoki PH. Evidence of photoinduced lipid hydroperoxidation in Langmuir monolayers containing Eosin Y. Colloids Surf B Biointerfaces 2018; 171:682-689. [DOI: 10.1016/j.colsurfb.2018.08.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Revised: 07/20/2018] [Accepted: 08/03/2018] [Indexed: 01/01/2023]
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Hamdan IM, Tekko IA, Matchett KB, Arnaut LG, Silva CS, McCarthy HO, Donnelly RF. Intradermal Delivery of a Near-Infrared Photosensitizer Using Dissolving Microneedle Arrays. J Pharm Sci 2018; 107:2439-2450. [DOI: 10.1016/j.xphs.2018.05.017] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 05/12/2018] [Accepted: 05/22/2018] [Indexed: 12/01/2022]
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Ben Mihoub A, Larue L, Moussaron A, Youssef Z, Colombeau L, Baros F, Frochot C, Vanderesse R, Acherar S. Use of Cyclodextrins in Anticancer Photodynamic Therapy Treatment. Molecules 2018; 23:E1936. [PMID: 30072672 PMCID: PMC6222782 DOI: 10.3390/molecules23081936] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 07/19/2018] [Accepted: 07/28/2018] [Indexed: 12/22/2022] Open
Abstract
Photodynamic therapy (PDT) is mainly used to destroy cancerous cells; it combines the action of three components: a photoactivatable molecule or photosensitizer (PS), the light of an appropriate wavelength, and naturally occurring molecular oxygen. After light excitation of the PS, the excited PS then reacts with molecular oxygen to produce reactive oxygen species (ROS), leading to cellular damage. One of the drawbacks of PSs is their lack of solubility in water and body tissue fluids, thereby causing low bioavailability, drug-delivery efficiency, therapeutic efficacy, and ROS production. To improve the water-solubility and/or drug delivery of PSs, using cyclodextrins (CDs) is an interesting strategy. This review describes the in vitro or/and in vivo use of natural and derived CDs to improve antitumoral PDT efficiency in aqueous media. To achieve these goals, three types of binding modes of PSs with CDs are developed: non-covalent CD⁻PS inclusion complexes, covalent CD⁻PS conjugates, and CD⁻PS nanoassemblies. This review is divided into three parts: (1) non-covalent CD-PS inclusion complexes, covalent CD⁻PS conjugates, and CD⁻PS nanoassemblies, (2) incorporating CD⁻PS systems into hybrid nanoparticles (NPs) using up-converting or other types of NPs, and (3) CDs with fullerenes as PSs.
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Affiliation(s)
- Amina Ben Mihoub
- Laboratoire de Chimie Phusique Macromoléculaire, Université de Lorraine, CNRS, LCPM, F-54000 Nancy, France.
| | - Ludivine Larue
- Laboratoire de Chimie Phusique Macromoléculaire, Université de Lorraine, CNRS, LCPM, F-54000 Nancy, France.
- Laboratoire Réactions et Génie des Procédés, Université de Lorraine, CNRS, LRGP, F-54000 Nancy, France.
| | - Albert Moussaron
- Laboratoire de Chimie Phusique Macromoléculaire, Université de Lorraine, CNRS, LCPM, F-54000 Nancy, France.
| | - Zahraa Youssef
- Laboratoire Réactions et Génie des Procédés, Université de Lorraine, CNRS, LRGP, F-54000 Nancy, France.
| | - Ludovic Colombeau
- Laboratoire de Chimie Phusique Macromoléculaire, Université de Lorraine, CNRS, LCPM, F-54000 Nancy, France.
- Laboratoire Réactions et Génie des Procédés, Université de Lorraine, CNRS, LRGP, F-54000 Nancy, France.
| | - Francis Baros
- Laboratoire Réactions et Génie des Procédés, Université de Lorraine, CNRS, LRGP, F-54000 Nancy, France.
| | - Céline Frochot
- Laboratoire Réactions et Génie des Procédés, Université de Lorraine, CNRS, LRGP, F-54000 Nancy, France.
| | - Régis Vanderesse
- Laboratoire de Chimie Phusique Macromoléculaire, Université de Lorraine, CNRS, LCPM, F-54000 Nancy, France.
| | - Samir Acherar
- Laboratoire de Chimie Phusique Macromoléculaire, Université de Lorraine, CNRS, LCPM, F-54000 Nancy, France.
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Luz AFS, Pucelik B, Pereira MM, Dąbrowski JM, Arnaut LG. Translating phototherapeutic indices from in vitro to in vivo photodynamic therapy with bacteriochlorins. Lasers Surg Med 2018; 50:451-459. [PMID: 29714399 DOI: 10.1002/lsm.22931] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/10/2018] [Indexed: 12/16/2022]
Abstract
OBJECTIVE To compare hydrophilic and lipophilic bacteriochlorin photosensitizers in the photodynamic therapy of cancer, and relate their properties and in vitro phototoxicities to the efficacy of in vivo PDT treatments. MATERIALS AND METHODS Photochemical characterization of a hydrophilic bacteriochlorin (F2 BOH) photosensitizer, and its use in PDT was compared with the performance of a closely related but water-insoluble bacteriochlorin (F2 BMet or redaporfin). Biodistribution, pharmacokinetics, skin photosensitivity, PDT efficacy and immune responses of two bacteriochlorins were compared. PDT in vitro employed CT26 colon carcinoma cells. BALB/c mice bearing CT26 cells were treated according to a protocol where the illumination of the subcutaneous tumor is performed 15 minute after intravenous administration of the photosensitizer, while it is in the vascular compartment (vascular-PDT). RESULTS F2 BOH has photochemical properties comparable to redaporfin and both are promising photosensitizers for PDT. Although, F2 BOH is 10 times less phototoxic in vitro than redaporfin, the phototoxicity of F2 BOH in vascular-PDT is comparable to that of redaporfin. This is consistent with the fact that the vasculature is the main target of vascular-PDT. F2 BOH-PDT led to long-term cures and stimulation of the immune system. CONCLUSION F2 BOH is soluble in aqueous media, photostable, has a convenient elimination half-life of 44 hours and leads to very low skin photosensitivity one week after administration. F2 BOH and redaporfin are both very phototoxic in vascular-PDT, but this could not be anticipated from their widely different phototherapeutic indices in vitro. PDT with F2 BOH enabled long-term cures of BALB/c mice with subcutaneously implanted CT26 tumors, and the cured mice rejected tumor re-inoculation one year after the treatment. Lasers Surg. Med. 50:451-459, 2018. © 2018 Wiley Periodicals, Inc.
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Affiliation(s)
- André F S Luz
- Chemistry Department, University of Coimbra, 3004-535 Coimbra, Portugal
| | - Barbara Pucelik
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-3867 Krakow, Poland
| | | | - Janusz M Dąbrowski
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-3867 Krakow, Poland
| | - Luis G Arnaut
- Chemistry Department, University of Coimbra, 3004-535 Coimbra, Portugal
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Nathan E, Vijayashree K, Harikrishna A, Takafuji M, Jintoku H, Ihara H, Rao NM. A novel photosensitizer: An l-glutamide lipid conjugate with improved properties for photodynamic therapy. Photochem Photobiol Sci 2018; 15:1476-1483. [PMID: 27874144 DOI: 10.1039/c6pp00304d] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Photosensitizers (PS) are used in photodynamic therapy to treat several cancers. The efficacy of photodynamic therapy (PDT) could be further improved by overcoming aggregation-dependent quenching of PS and by improving the biodistribution of the PS. In this work we attempted to overcome these issues by conjugating a PS with a lipid molecule and tested the liposomes prepared with this PS conjugated lipid for PDT. A novel lipid-porphyrin conjugate (1 : 1) was synthesized by attaching a PS, 5-(4-methoxycarbonylphenyl)-10,15,20-triphenyl-21H,23H-porphine, to the head group of a glutamide lipid. Two liposomal preparations, with egg phosphatidylcholine as the bulk lipid, were prepared viz. liposomes with PS conjugated lipid (LPSL) and PS entrapped in liposomes (PSL). At equimolar concentrations of the PS, both liposomal preparations were found to generate comparable amounts of reactive oxygen species as free PS upon light exposure. Electron micrographs and dynamic light scattering measurements indicated uniform and circular liposomes of 150 nm in size and near neutral zeta potential. Uptake of these liposomes by the human ovarian carcinoma cell line, SK-OV-3, was shown by FACS and confocal microscopy. Upon light exposure, the LPSL, i.e., with the conjugate lipid, have shown a substantial decrease (>4 times) in the PS requirement compared to PSL or free PS in its ability to cause light mediated cell death of SK-OV-3 cells. The light mediate cell death by LPSL was shown to be not dependent on the bulk properties of the lipid. Our data suggest a potential benefit of conjugating PS with a lipid in improving the efficiency of PDT.
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Affiliation(s)
- Erica Nathan
- CSIR-Centre for Cellular and Molecular Biology, Uppal Road, Hyderabad, 500007 India.
| | - K Vijayashree
- CSIR-Centre for Cellular and Molecular Biology, Uppal Road, Hyderabad, 500007 India.
| | - A Harikrishna
- CSIR-Centre for Cellular and Molecular Biology, Uppal Road, Hyderabad, 500007 India.
| | - Makoto Takafuji
- Kumamoto University, Dept. Applied Chemistry and Biochemistry, Graduate School of Science & Technology, 2-39-1 Kurokami, Kumamoto 860-8555, Japan.
| | - Hirokuni Jintoku
- Kumamoto University, Dept. Applied Chemistry and Biochemistry, Graduate School of Science & Technology, 2-39-1 Kurokami, Kumamoto 860-8555, Japan.
| | - Hirotaka Ihara
- Kumamoto University, Dept. Applied Chemistry and Biochemistry, Graduate School of Science & Technology, 2-39-1 Kurokami, Kumamoto 860-8555, Japan.
| | - N M Rao
- CSIR-Centre for Cellular and Molecular Biology, Uppal Road, Hyderabad, 500007 India.
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Platelet membrane coating coupled with solar irradiation endows a photodynamic nanosystem with both improved antitumor efficacy and undetectable skin damage. Biomaterials 2018; 159:59-67. [DOI: 10.1016/j.biomaterials.2017.12.028] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 12/30/2017] [Accepted: 12/31/2017] [Indexed: 01/21/2023]
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Enhanced Antitumor Effects of Epidermal Growth Factor Receptor Targetable Cetuximab-Conjugated Polymeric Micelles for Photodynamic Therapy. NANOMATERIALS 2018; 8:nano8020121. [PMID: 29470420 PMCID: PMC5853752 DOI: 10.3390/nano8020121] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Revised: 12/30/2017] [Accepted: 01/18/2018] [Indexed: 12/21/2022]
Abstract
Nanocarrier-based delivery systems are promising strategies for enhanced therapeutic efficacy and safety of toxic drugs. Photodynamic therapy (PDT)—a light-triggered chemical reaction that generates localized tissue damage for disease treatments—usually has side effects, and thus patients receiving photosensitizers should be kept away from direct light to avoid skin phototoxicity. In this study, a clinically therapeutic antibody cetuximab (C225) was conjugated to the surface of methoxy poly(ethylene glycol)-b-poly(lactide) (mPEG-b-PLA) micelles via thiol-maleimide coupling to allow tumor-targetable chlorin e6 (Ce6) delivery. Our results demonstrate that more C225-conjugated Ce6-loaded polymeric micelles (C225-Ce6/PM) were selectively taken up than Ce6/PM or IgG conjugated Ce6/PM by epidermal growth factor receptor (EGFR)-overexpressing A431 cells observed by confocal laser scanning microscopy (CLSM), thereby decreasing the IC50 value of Ce6-mediated PDT from 0.42 to 0.173 μM. No significant differences were observed in cellular uptake study or IC50 value between C225-Ce6/PM and Ce6/PM groups in lower EGFR expression HT-29 cells. For antitumor study, the tumor volumes in the C225-Ce6/PM-PDT group (percentage of tumor growth inhibition, TGI% = 84.8) were significantly smaller than those in the Ce6-PDT (TGI% = 38.4) and Ce6/PM-PDT groups (TGI% = 53.3) (p < 0.05) at day 21 through reduced cell proliferation in A431 xenografted mice. These results indicated that active EGFR targeting of photosensitizer-loaded micelles provides a possible way to resolve the dose-limiting toxicity of conventional photosensitizers and represents a potential delivery system for PDT in a clinical setting.
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Mohammad-Hadi L, MacRobert AJ, Loizidou M, Yaghini E. Photodynamic therapy in 3D cancer models and the utilisation of nanodelivery systems. NANOSCALE 2018; 10:1570-1581. [PMID: 29308480 DOI: 10.1039/c7nr07739d] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Photodynamic therapy (PDT) is the subject of considerable research in experimental cancer models mainly for the treatment of solid cancerous tumours. Recent studies on the use of nanoparticles as photosensitiser carriers have demonstrated improved PDT efficacy in experimental cancer therapy. Experiments typically employ conventional monolayer cell culture but there is increasing interest in testing PDT using three dimensional (3D) cancer models. 3D cancer models can better mimic in vivo models than 2D cultures by for example enabling cancer cell interactions with a surrounding extracellular matrix which should enable the treatment to be optimised prior to in vivo studies. The aim of this review is to discuss recent research using PDT in different types of 3D cancer models, from spheroids to nano-fibrous scaffolds, using a range of photosensitisers on their own or incorporated in nanoparticles and nanodelivery systems.
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Affiliation(s)
- Layla Mohammad-Hadi
- Division of Surgery and Interventional Science, Department of Nanotechnology, University College London, Royal Free Campus, Rowland Hill St, London NW3 2PE, UK.
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45
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Jiang HN, Li Y, Jiang WY, Cui ZJ. Cholecystokinin 1 Receptor - A Unique G Protein- Coupled Receptor Activated by Singlet Oxygen ( GPCR-ABSO). Front Physiol 2018; 9:497. [PMID: 29867546 PMCID: PMC5953346 DOI: 10.3389/fphys.2018.00497] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Accepted: 04/18/2018] [Indexed: 02/05/2023] Open
Abstract
Plasma membrane-delimited generation of singlet oxygen by photodynamic action with photosensitizer sulfonated aluminum phthalocyanine (SALPC) activates cholecystokinin 1 receptor (CCK1R) in pancreatic acini. Whether CCK1R retains such photooxidative singlet oxygen activation properties in other environments is not known. Genetically encoded protein photosensitizers KillerRed or mini singlet oxygen generator (miniSOG) were expressed in pancreatic acinar tumor cell line AR4-2J, CCK1R, KillerRed or miniSOG were expressed in HEK293 or CHO-K1 cells. Cold light irradiation (87 mW⋅cm-2) was applied to photosensitizer-expressing cells to examine photodynamic activation of CCK1R by Fura-2 fluorescent calcium imaging. When CCK1R was transduced into HEK293 cells which lack endogenous CCK1R, photodynamic action with SALPC was found to activate CCK1R in CCK1R-HEK293 cells. When KillerRed or miniSOG were transduced into AR4-2J which expresses endogenous CCK1R, KillerRed or miniSOG photodynamic action at the plasma membrane also activated CCK1R. When fused KillerRed-CCK1R was transduced into CHO-K1 cells, light irradiation activated the fused CCK1R leading to calcium oscillations. Therefore KillerRed either expressed independently, or fused with CCK1R can both activate CCK1R photodynamically. It is concluded that photodynamic singlet oxygen activation is an intrinsic property of CCK1R, independent of photosensitizer used, or CCK1R-expressing cell types. Photodynamic singlet oxygen CCK1R activation after transduction of genetically encoded photosensitizer in situ may provide a convenient way to verify intrinsic physiological functions of CCK1R in multiple CCK1R-expressing cells and tissues, or to actuate CCK1R function in CCK1R-expressing and non-expressing cell types after transduction with fused KillerRed-CCK1R.
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Lee Y, Thompson DH. Stimuli-responsive liposomes for drug delivery. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2017; 9:10.1002/wnan.1450. [PMID: 28198148 PMCID: PMC5557698 DOI: 10.1002/wnan.1450] [Citation(s) in RCA: 240] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Revised: 11/23/2016] [Accepted: 11/27/2016] [Indexed: 12/25/2022]
Abstract
The ultimate goal of drug delivery is to increase the bioavailability and reduce the toxic side effects of the active pharmaceutical ingredient (API) by releasing them at a specific site of action. In the case of antitumor therapy, association of the therapeutic agent with a carrier system can minimize damage to healthy, nontarget tissues, while limit systemic release and promoting long circulation to enhance uptake at the cancerous site due to the enhanced permeation and retention effect (EPR). Stimuli-responsive systems have become a promising way to deliver and release payloads in a site-selective manner. Potential carrier systems have been derived from a wide variety of materials, including inorganic nanoparticles, lipids, and polymers that have been imbued with stimuli-sensitive properties to accomplish triggered release based on an environmental cue. The unique features in the tumor microenvironment can serve as an endogenous stimulus (pH, redox potential, or unique enzymatic activity) or the locus of an applied external stimulus (heat or light) to trigger the controlled release of API. In liposomal carrier systems triggered release is generally based on the principle of membrane destabilization from local defects within bilayer membranes to effect release of liposome-entrapped drugs. This review focuses on the literature appearing between November 2008-February 2016 that reports new developments in stimuli-sensitive liposomal drug delivery strategies using pH change, enzyme transformation, redox reactions, and photochemical mechanisms of activation. WIREs Nanomed Nanobiotechnol 2017, 9:e1450. doi: 10.1002/wnan.1450 For further resources related to this article, please visit the WIREs website.
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Affiliation(s)
- Y Lee
- Department of Chemistry, Purdue University, West Lafayette, IN, USA
| | - D H Thompson
- Department of Chemistry, Purdue University, West Lafayette, IN, USA
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Moret F, Reddi E. Strategies for optimizing the delivery to tumors of macrocyclic photosensitizers used in photodynamic therapy (PDT). J PORPHYR PHTHALOCYA 2017. [DOI: 10.1142/s1088424617300014] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
This review briefly summaries the principles and mechanisms of action of photodynamic therapy (PDT) as concerns its application in the oncological field, highlighting its drawbacks and some of the strategies that have been or are being explored to overcome them. The major aim is to increase the efficiency and selectivity of the photosensitizer (PS) uptake in the cancer cells for optimizing the PDT effects on tumors while sparing normal cells. Some attempts to achieve this are based on the conjugation of the PS to biomolecules (small ligands, peptides) functioning as carriers with the ability to efficiently penetrate cells and/or specifically recognize and bind proteins/receptors overexpressed on the surface of cancer cells. Alternatively, the PS can be entrapped in nanocarriers derived from various types of materials that can target the tumor by exploiting the enhanced permeability and retention (EPR) effects. The use of nanocarriers is particularly attractive because it allows the simultaneous delivery of more than one drug with the possibility of combining PDT with other therapeutic modalities.
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Affiliation(s)
- Francesca Moret
- Department of Biology, University of Padova, via U. Bassi 58/B 35121 Padova, Italy
| | - Elena Reddi
- Department of Biology, University of Padova, via U. Bassi 58/B 35121 Padova, Italy
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Horne TK, Cronjé MJ. Novel carbohydrate-substituted metallo-porphyrazine comparison for cancer tissue-type specificity during PDT. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2017; 173:412-422. [PMID: 28662468 DOI: 10.1016/j.jphotobiol.2017.06.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Revised: 06/07/2017] [Accepted: 06/10/2017] [Indexed: 12/14/2022]
Abstract
A longstanding obstacle to cancer eradication centers on the heterogeneous nature of the tissue that manifests it. Variations between cancer cell resistance profiles often result in a survival percentage following classic therapeutics. As an alternative, photodynamic therapys' (PDT) unique non-specific cell damage mechanism and high degree of application control enables it to potentially deliver an efficient treatment regime to a broad range of heterogeneous tissue types thereby overcoming individual resistance profiles. This study follows on from previous design, characterization and solubility analyses of three novel carbohydrate-ligated zinc-porphyrazine (Zn(II)Pz) derivatives. Here we report on their PDT application potential in the treatment of five common cancer tissue types in vitro. Following analyses of metabolic homeostasis, toxicity and cell death induction, overall Zn(II)Pz-PDT proved comparably efficient between all cancer tissue populations. Differential localization patterns of Zn(II)Pz derivatives between cell types did not appear to influence the overall PDT effect. All cell types exhibited significant disruptions to mitochondrial activity and associated ATP production levels. Toxicity and chromatin structure profiles revealed indiscernible patterns of damage between Zn(II)Pz derivatives and cell type. The subtle differences observed between individual Zn(II)Pz derivatives is most likely due to a combination of carbohydrate moiety characteristics on energy transfer processes and associated dosage optimization requirements per tissue type. Collectively, this indicates that resistance profiles are negated to a significant extent by Zn(II)Pz-PDT making these derivatives attractive candidates for PDT applications across multiple tissue types and subtypes.
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Affiliation(s)
- Tamarisk K Horne
- Dept of Biochemistry, Faculty of Science, University of Johannesburg, Auckland Park, 2006, Gauteng, South Africa
| | - Marianne J Cronjé
- Dept of Biochemistry, Faculty of Science, University of Johannesburg, Auckland Park, 2006, Gauteng, South Africa.
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49
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Lee Y, Kischuk E, Crist S, Ratliff TL, Thompson DH. Targeting and Internalization of Liposomes by Bladder Tumor Cells Using a Fibronectin Attachment Protein-Derived Peptide-Lipopolymer Conjugate. Bioconjug Chem 2017; 28:1481-1490. [PMID: 28475311 DOI: 10.1021/acs.bioconjchem.7b00153] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A synthetic peptidolipopolymer conjugate, incorporated into liposomes to promote specific binding to the fibronectin (FBN) matrix surrounding bladder tumor cells and promote cellular internalization of FBN-integrin complexes, is reported. The peptide promotes association with MB49 mouse model bladder tumor cells in a sequence-specific and concentration-dependent manner, with the maximum cell association occurring at 2 mol % RWFV-PEG2000-DSPE. Double PEGylation of the liposome membrane (i.e., 4 mol % mPEG1000-DSPE + 2 mol % RWFV-PEG2000-DSPE) enhanced binding by >1.6-fold, by improving ligand presentation on the liposome surface. The sequence specificity of the peptide-lipopolymer construct was confirmed by comparing liposomes containing RWFV-PEG2000-DSPE with scrambled and nonpeptidic lipopolymer liposomal formulations. MB49 tumor-bearing mice showed greater mean radiance values for FAP peptide-targeted liposomes in tumor-associated regions of interest than for nontargeted and scrambled peptide liposome formulations. These findings suggest that peptide-modified liposomes may be an attractive vehicle for targeted delivery to bladder tumors in vivo.
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Affiliation(s)
- Young Lee
- Purdue University Center for Cancer Research, Multi-disciplinary Cancer Research Facility, Purdue University , 1203 West State Street, West Lafayette, Indiana 47907, United States
| | - Erin Kischuk
- Purdue University Center for Cancer Research, Multi-disciplinary Cancer Research Facility, Purdue University , 1203 West State Street, West Lafayette, Indiana 47907, United States
| | - Scott Crist
- Purdue University Center for Cancer Research, Multi-disciplinary Cancer Research Facility, Purdue University , 1203 West State Street, West Lafayette, Indiana 47907, United States
| | - Timothy L Ratliff
- Purdue University Center for Cancer Research, Multi-disciplinary Cancer Research Facility, Purdue University , 1203 West State Street, West Lafayette, Indiana 47907, United States
| | - David H Thompson
- Purdue University Center for Cancer Research, Multi-disciplinary Cancer Research Facility, Purdue University , 1203 West State Street, West Lafayette, Indiana 47907, United States
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50
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Martinez De Pinillos Bayona A, Mroz P, Thunshelle C, Hamblin MR. Design features for optimization of tetrapyrrole macrocycles as antimicrobial and anticancer photosensitizers. Chem Biol Drug Des 2017; 89:192-206. [PMID: 28205400 DOI: 10.1111/cbdd.12792] [Citation(s) in RCA: 100] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Revised: 05/10/2016] [Accepted: 05/16/2016] [Indexed: 01/10/2023]
Abstract
Photodynamic therapy (PDT) uses non-toxic dyes called photosensitizers (PS) and harmless visible light that combine to form highly toxic reactive oxygen species that kill cells. Originally, a cancer therapy, PDT, now includes applications for infections. The most widely studied PS are tetrapyrrole macrocycles including porphyrins, chlorins, bacteriochlorins, and phthalocyanines. The present review covers the design features in PS that can work together to maximize the PDT activity for various disease targets. Photophysical and photochemical properties include the wavelength and size of the long-wavelength absorption peak (for good light penetration into tissue), the triplet quantum yield and lifetime, and the propensity to undergo type I (electron transfer) or type II (energy transfer) photochemical mechanisms. The central metal in the tetrapyrrole macrocycle has a strong influence on the PDT activity. Hydrophobicity and charge are important factors that govern interactions with various types of cells (cancer and microbial) in vitro and the pharmacokinetics and biodistribution in vivo. Hydrophobic structures tend to be water insoluble and require a drug delivery vehicle for maximal activity. Molecular asymmetry and amphiphilicity are also important for high activity. In vivo some structures possess the ability to selectively accumulate in tumors and to localize in the tumor microvasculature producing vascular shutdown after illumination.
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Affiliation(s)
- Alejandra Martinez De Pinillos Bayona
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA, USA.,Division of Surgery & Interventional Science, University College London, Royal Free Hospital, London, UK
| | - Pawel Mroz
- Department of Pathology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Connor Thunshelle
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA, USA.,Harvard College, Cambridge, MA, USA
| | - Michael R Hamblin
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA, USA.,Department of Dermatology, Harvard Medical School, Boston, MA, USA.,Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA, USA
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