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Shah H, Schlüter S, Amin MU, Abu Dayyih A, Engelhardt KH, Pinnapireddy SR, Preis E, Bakowsky U. In Vitro Photoselective Gene Transfection of Hepatocellular Carcinoma Cells with Hypericin Lipopolyplexes. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 39121233 DOI: 10.1021/acsami.4c10438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/11/2024]
Abstract
The lipopolyplex, a multicomponent nonviral gene carrier, generally demonstrates superior colloidal stability, reduced cytotoxicity, and high transfection efficiency. In this study, a new concept, photochemical reaction-induced transfection, using photosensitizer (PS)-loaded lipopolyplexes was applied, which led to enhanced transfection and cytotoxic effects by photoexcitation of the photosensitizer. Hypericin, a hydrophobic photosensitizer, was encapsulated in the lipid bilayer of liposomes. The preformed nanosized hypericin liposomes enclosed the linear polyethylenimine (lPEI)/pDNA polyplexes, resulting in the formation of hypericin lipopolyplexes (Hy-LPP). The diameters of Hy-LPP containing 50 nM hypericin and 0.25 μg of pDNA were 185.6 ± 7.74 nm and 230.2 ± 4.60 nm, respectively, measured by dynamic light scattering (DLS) and atomic force microscopy (AFM). Gel electrophoresis confirmed the encapsulation of hypericin and pDNA in lipopolyplexes. Furthermore, in vitro irradiation of intracellular Hy-LPP at radiant exposures of 200, 600, and 1000 mJ/cm2 was evaluated. It demonstrated 60- to 75-fold higher in vitro luciferase expression than that in nonirradiated cells. The lactate dehydrogenase (LDH) assay supported that reduced transfection was a consequence of photocytotoxicity. The developed photosensitizer-loaded lipopolyplexes improved the transfection efficiency of an exogenous gene or induced photocytotoxicity; however, the frontier lies in the applied photochemical dose. The light-triggered photoexcitation of intracellular hypericin resulted in the generation of reactive oxygen species (ROS), leading to photoselective transfection in HepG2 cells. It was concluded that the two codelivered therapeutics resulted in enhanced transfection and a photodynamic effect by tuning the applied photochemical dose.
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Affiliation(s)
- Hirva Shah
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany
| | - Sebastian Schlüter
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany
| | - Muhammad Umair Amin
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany
| | - Alice Abu Dayyih
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany
| | - Konrad H Engelhardt
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany
| | - Shashank Reddy Pinnapireddy
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany
| | - Eduard Preis
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany
| | - Udo Bakowsky
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany
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2
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Chen Y, Guo P, Chen L, He D. 5-aminolevulinic acid induced photodynamic reactions in diagnosis and therapy for female lower genital tract diseases. Front Med (Lausanne) 2024; 11:1370396. [PMID: 39076768 PMCID: PMC11284047 DOI: 10.3389/fmed.2024.1370396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 06/13/2024] [Indexed: 07/31/2024] Open
Abstract
Since the patients suffering from female lower genital tract diseases are getting younger and younger and the human papilloma virus (HPV) infection is becoming more widespread, the novel non-invasive precise modalities of diagnosis and therapy are required to remain structures of the organ and tissue, and fertility as well, by which the less damage to normal tissue and fewer adverse effects are able to be achieved. In all nucleated mammalian cells, 5-Aminolevulinic acid (5-ALA) is an amino acid that occurs spontaneously, which further synthesizes in the heme biosynthetic pathway into protoporphyrin IX (PpIX) as a porphyrin precursor and photosensitizing agent. Exogenous 5-ALA avoids the rate-limiting step in the process, causing PpIX buildup in tumor tissues. This tumor-selective PpIX distribution after 5-ALA application has been used successfully for tumor photodynamic diagnosis (PDD) and photodynamic therapy (PDT). Several ALA-based drugs have been used for ALA-PDD and ALA-PDT in treating many (pre)cancerous diseases, including the female lower genital tract diseases, yet the ALA-induced fluorescent theranostics is needed to be explored further. In this paper, we are going to review the studies of the mechanisms and applications mainly on ALA-mediated photodynamic reactions and its effectiveness in treating female lower genital tract diseases.
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Affiliation(s)
- Yuqing Chen
- Department of Urology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi'an, Shaanxi, China
| | - Peng Guo
- Department of Urology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi'an, Shaanxi, China
| | - Lihong Chen
- Department of Obstetrics and Gynecology, Shaanxi Provincial People’s Hospital, Xi'an, Shaanxi, China
| | - Dalin He
- Department of Urology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi'an, Shaanxi, China
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3
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Zhao W, Wang L, Zhang M, Liu Z, Wu C, Pan X, Huang Z, Lu C, Quan G. Photodynamic therapy for cancer: mechanisms, photosensitizers, nanocarriers, and clinical studies. MedComm (Beijing) 2024; 5:e603. [PMID: 38911063 PMCID: PMC11193138 DOI: 10.1002/mco2.603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 05/06/2024] [Accepted: 05/10/2024] [Indexed: 06/25/2024] Open
Abstract
Photodynamic therapy (PDT) is a temporally and spatially precisely controllable, noninvasive, and potentially highly efficient method of phototherapy. The three components of PDT primarily include photosensitizers, oxygen, and light. PDT employs specific wavelengths of light to active photosensitizers at the tumor site, generating reactive oxygen species that are fatal to tumor cells. Nevertheless, traditional photosensitizers have disadvantages such as poor water solubility, severe oxygen-dependency, and low targetability, and the light is difficult to penetrate the deep tumor tissue, which remains the toughest task in the application of PDT in the clinic. Here, we systematically summarize the development and the molecular mechanisms of photosensitizers, and the challenges of PDT in tumor management, highlighting the advantages of nanocarriers-based PDT against cancer. The development of third generation photosensitizers has opened up new horizons in PDT, and the cooperation between nanocarriers and PDT has attained satisfactory achievements. Finally, the clinical studies of PDT are discussed. Overall, we present an overview and our perspective of PDT in the field of tumor management, and we believe this work will provide a new insight into tumor-based PDT.
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Affiliation(s)
- Wanchen Zhao
- State Key Laboratory of Bioactive Molecules and Druggability AssessmentJinan UniversityGuangzhouChina
- College of PharmacyJinan UniversityGuangzhouChina
| | - Liqing Wang
- State Key Laboratory of Bioactive Molecules and Druggability AssessmentJinan UniversityGuangzhouChina
- College of PharmacyJinan UniversityGuangzhouChina
| | - Meihong Zhang
- State Key Laboratory of Bioactive Molecules and Druggability AssessmentJinan UniversityGuangzhouChina
- College of PharmacyJinan UniversityGuangzhouChina
| | - Zhiqi Liu
- State Key Laboratory of Bioactive Molecules and Druggability AssessmentJinan UniversityGuangzhouChina
- College of PharmacyJinan UniversityGuangzhouChina
| | - Chuanbin Wu
- State Key Laboratory of Bioactive Molecules and Druggability AssessmentJinan UniversityGuangzhouChina
- College of PharmacyJinan UniversityGuangzhouChina
| | - Xin Pan
- School of Pharmaceutical SciencesSun Yat‐sen UniversityGuangzhouChina
| | - Zhengwei Huang
- State Key Laboratory of Bioactive Molecules and Druggability AssessmentJinan UniversityGuangzhouChina
- College of PharmacyJinan UniversityGuangzhouChina
| | - Chao Lu
- State Key Laboratory of Bioactive Molecules and Druggability AssessmentJinan UniversityGuangzhouChina
- College of PharmacyJinan UniversityGuangzhouChina
| | - Guilan Quan
- State Key Laboratory of Bioactive Molecules and Druggability AssessmentJinan UniversityGuangzhouChina
- College of PharmacyJinan UniversityGuangzhouChina
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4
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Wang L, Liu Q, Buchwald A, Wackenhut F, Brecht M, Gierschner J, Meixner AJ. Deuterium Isotope Effect in Single Molecule Photophysics and Photochemistry of Hypericin. Chemphyschem 2024:e202400374. [PMID: 38837881 DOI: 10.1002/cphc.202400374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 05/20/2024] [Accepted: 06/05/2024] [Indexed: 06/07/2024]
Abstract
The peripherical protons of the dye molecule hypericin can undergo structural interconversion (tautomerization) between different isomers separated by a low energy barrier with rates that depends sensitively on the interaction with local chemical environment defined by the nature of host material. We investigate the deuterium (D) isotope effect of hypericin tautomerism at the single-molecule level to avoid ensemble averaging in different polymer matrices by a combined spectroscopic and computational approach. In the 'innocent' PMMA matrix only intramolecular isotope effects on the internal conversion channel and tautomerization are observed; while PVA specifically interacts with the probe via H- and D-bonding. This establishes a single molecular picture on intra- and intermolecular nano-environment effects to control chromophore photophysics and -chemistry.
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Affiliation(s)
- Liangxuan Wang
- Institute of Physical and Theoretical Chemistry, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, Tübingen, 72076, Germany
- Madrid Institute for Advanced Studies, IMDEA Nanoscience, Ciudad Universitaria de Cantoblanco, C/Faraday 9, Madrid, 28049, Spain
| | - Quan Liu
- Institute of Physical and Theoretical Chemistry, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, Tübingen, 72076, Germany
| | - Andrea Buchwald
- Institute of Physical and Theoretical Chemistry, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, Tübingen, 72076, Germany
| | - Frank Wackenhut
- Institute of Physical and Theoretical Chemistry, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, Tübingen, 72076, Germany
- Center for Process Analysis and Technology (PA&T), School of Life Sciences
- Reutlingen Research Institute (RRI), Reutlingen University, Alteburgstraße 150, Reutlingen, 72762, Germany
| | - Marc Brecht
- Institute of Physical and Theoretical Chemistry, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, Tübingen, 72076, Germany
- Center for Process Analysis and Technology (PA&T), School of Life Sciences
- Reutlingen Research Institute (RRI), Reutlingen University, Alteburgstraße 150, Reutlingen, 72762, Germany
| | - Johannes Gierschner
- Institute of Physical and Theoretical Chemistry, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, Tübingen, 72076, Germany
- Madrid Institute for Advanced Studies, IMDEA Nanoscience, Ciudad Universitaria de Cantoblanco, C/Faraday 9, Madrid, 28049, Spain
| | - Alfred J Meixner
- Institute of Physical and Theoretical Chemistry, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, Tübingen, 72076, Germany
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Krupka-Olek M, Bożek A, Czuba ZP, Kłósek M, Cieślar G, Kawczyk-Krupka A. Cytotoxic and Immunomodulatory Effects of Hypericin as a Photosensitizer in Photodynamic Therapy Used on Skin Cell Cultures. Pharmaceutics 2024; 16:696. [PMID: 38931819 PMCID: PMC11207107 DOI: 10.3390/pharmaceutics16060696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 05/20/2024] [Accepted: 05/21/2024] [Indexed: 06/28/2024] Open
Abstract
Determination of the hypericin-photodynamic (HY-PDT) effect on the secretion of cytokines secreted by the skin cells, may be the basis for using the immunomodulatory effect of photodynamic action in the treatment of inflammatory skin diseases. The study aimed to evaluate the cytotoxic and immunomodulatory effects of hypericin (HY) in photodynamic therapy (PDT) performed in vitro on cultures of selected skin cell lines. The study used two human cell lines, primary dermal fibroblast (HDFa) and primary epidermal keratinocytes (HEKa). The MTT test was used to define the metabolic activity of treated cells. Cell supernatants subjected to sublethal PDT were assessed to determine the interleukins: IL-2, IL-8, IL-10, IL-11, IL-19, IL-22, and metalloproteinase 1 (MMP-1). The results confirm the destructive effect of HY-PDT and the immunomodulatory effects of sublethal doses on the selected skin cells, depending on the concentration of HY and the light doses. No statistically significant differences were noted in IL-2 and IL-10 concentration after HY-PDT for HEKa and HDFa lines. After using HY-PDT, the concentration of IL-8, MMP-1, IL-22, and IL-11 significantly decreased in the HEKa line. Moreover, the concentration of IL-19 and MMP-1 significantly decreased in the HDFa line. The concentration of IL-11 in the HDFa line after using only the HY, without the light, increased but decreased after HY-PDT. Our experiment confirmed that HY-PDT has not only a cytotoxic effect but, used in sublethal doses, also presents immunomodulatory properties. These may be an advantage of HY-PDT when used in the treatment of persistent skin inflammation, connected with the release of pro-inflammatory cytokines resistant to conventional treatment methods.
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Affiliation(s)
- Magdalena Krupka-Olek
- Doctoral School of the Medical University of Silesia, 40-055 Katowice, Poland
- Clinical Department of Internal Diseases and Geriatrics, Chair of Internal Diseases, Dermatology and Allergology in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland;
| | - Andrzej Bożek
- Clinical Department of Internal Diseases and Geriatrics, Chair of Internal Diseases, Dermatology and Allergology in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland;
| | - Zenon P. Czuba
- Department of Microbiology and Immunology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland; (Z.P.C.); (M.K.)
| | - Małgorzata Kłósek
- Department of Microbiology and Immunology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland; (Z.P.C.); (M.K.)
| | - Grzegorz Cieślar
- Department of Internal Diseases, Angiology and Physical Medicine, Center for Laser Diagnostics and Therapy, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland;
| | - Aleksandra Kawczyk-Krupka
- Department of Internal Diseases, Angiology and Physical Medicine, Center for Laser Diagnostics and Therapy, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland;
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6
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Merin Rinky K, Gayathri Devi D, Priya VK. Fagopyrin F fraction from Fagopyrum tataricum demonstrates photodynamic inactivation of skin infecting bacterium and squamous cell carcinoma (A431) cells. Photochem Photobiol Sci 2024; 23:1011-1029. [PMID: 38753286 DOI: 10.1007/s43630-024-00571-0] [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: 01/04/2024] [Accepted: 04/02/2024] [Indexed: 06/11/2024]
Abstract
Photodynamic therapy (PDT) stands out as a noteworthy development as an alternative targeted treatment against skin ailments. While PDT has advanced significantly, research into photo-activatable "Green drugs" derived from plants which are less toxic than the synthetic drugs has not kept pace. This study investigates the potential of Fagopyrin F Containing Fraction (FCF) derived from Fagopyrum tataricum in mediating PDT against Staphylococcus aureus and skin cancer cells (A431). FCF was isolated from the plant extract using thin-layer chromatography, followed by identification of the compound through high-performance liquid chromatography and high-resolution liquid chromatography-mass spectrometry. FCF was tested to determine its antibacterial and anticancer efficacy. Results revealed that FCF-mediated PDT exhibited potent action against S. aureus, significantly reducing bacterial viability (MIC 19.5 μg/100 μL). Moreover, FCF-mediated PDT showed good efficacy against A431 cells, resulting in a notable reduction in cell viability (IC50 29.08 μg/mL). Given the known association between S. aureus and squamous cell carcinoma (SCC), FCF shows the potential to effectively target and eradicate both SCC and the related S. aureus present within the lesions. In silico study reveals that Fagopyrin F effectively binds with the epidermal growth factor (EGFR), one among the highly expressed proteins in the A431 cells, with a binding energy of - 9.6 kcal/mol. The affinity of Fagopyrin F for EGFR on A431 cancer cells along with its cytotoxicity against skin cancer cells while safeguarding the normal cells (L929) plays a major part in the way it targets cancer cells. However, its safety, efficacy, and long-term advantages in treating skin conditions require more investigation, including in vivo investigations and clinical trials.
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Affiliation(s)
- K Merin Rinky
- Department of Life Sciences, University of Calicut, Malappuram, Kerala, 673635, India
| | - D Gayathri Devi
- Department of Life Sciences, University of Calicut, Malappuram, Kerala, 673635, India.
| | - V K Priya
- School of Biosciences, Mahatma Gandhi University, Kottayam, Kerala, 686560, India
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Peng Z, Lu J, Liu K, Xie L, Wang Y, Cai C, Yang D, Xi J, Yan C, Li X, Shi M. Hypericin as a promising natural bioactive naphthodianthrone: A review of its pharmacology, pharmacokinetics, toxicity, and safety. Phytother Res 2023; 37:5639-5656. [PMID: 37690821 DOI: 10.1002/ptr.8011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 08/28/2023] [Accepted: 08/29/2023] [Indexed: 09/12/2023]
Abstract
Hypericin can be derived from St. John's wort, which is widely spread around the world. As a natural product, it has been put into clinical practice such as wound healing and depression for a long time. In this article, we review the pharmacology, pharmacokinetics, and safety of hypericin, aiming to introduce the research advances and provide a full evaluation of it. Turns out hypericin, as a natural photosensitizer, exhibits an excellent capacity for anticancer, neuroprotection, and elimination of microorganisms, especially when activated by light, potent anticancer and antimicrobial effects are obtained after photodynamic therapy. The mechanisms of its therapeutic effects involve the induction of cell death, inhibition of cell cycle progression, inhibition of the reuptake of amines, and inhibition of virus replication. The pharmacokinetics properties indicate that hypericin has poor water solubility and bioavailability. The distribution and excretion are fast, and it is metabolized in bile. The toxicity of hypericin is rarely reported and the conventional use of it rarely causes adverse effects except for photosensitization. Therefore, we may conclude that hypericin can be used safely and effectively against a variety of diseases. We hope to provide researchers with detailed guidance and enlighten the development of it.
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Affiliation(s)
- Zhaolei Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jing Lu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Kai Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Long Xie
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yulin Wang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Chunyan Cai
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Dejun Yang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jingjing Xi
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Chunmei Yan
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiaofang Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Mingyi Shi
- School of Intelligent Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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Qiu C, Zhang JZ, Wu B, Xu CC, Pang HH, Tu QC, Lu YQ, Guo QY, Xia F, Wang JG. Advanced application of nanotechnology in active constituents of Traditional Chinese Medicines. J Nanobiotechnology 2023; 21:456. [PMID: 38017573 PMCID: PMC10685519 DOI: 10.1186/s12951-023-02165-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 10/16/2023] [Indexed: 11/30/2023] Open
Abstract
Traditional Chinese Medicines (TCMs) have been used for centuries for the treatment and management of various diseases. However, their effective delivery to targeted sites may be a major challenge due to their poor water solubility, low bioavailability, and potential toxicity. Nanocarriers, such as liposomes, polymeric nanoparticles, inorganic nanoparticles and organic/inorganic nanohybrids based on active constituents from TCMs have been extensively studied as a promising strategy to improve the delivery of active constituents from TCMs to achieve a higher therapeutic effect with fewer side effects compared to conventional formulations. This review summarizes the recent advances in nanocarrier-based delivery systems for various types of active constituents of TCMs, including terpenoids, polyphenols, alkaloids, flavonoids, and quinones, from different natural sources. This review covers the design and preparation of nanocarriers, their characterization, and in vitro/vivo evaluations. Additionally, this review highlights the challenges and opportunities in the field and suggests future directions for research. Nanocarrier-based delivery systems have shown great potential in improving the therapeutic efficacy of TCMs, and this review may serve as a comprehensive resource to researchers in this field.
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Affiliation(s)
- Chong Qiu
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-Di Herbs, Artemisinin Research Center, and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Jun Zhe Zhang
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-Di Herbs, Artemisinin Research Center, and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Bo Wu
- Department of Traditional Chinese Medical Science, Sixth Medical Center of the Chinese PLA General Hospital, Beijing, 100037, China
| | - Cheng Chao Xu
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-Di Herbs, Artemisinin Research Center, and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Huan Huan Pang
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-Di Herbs, Artemisinin Research Center, and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Qing Chao Tu
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-Di Herbs, Artemisinin Research Center, and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Yu Qian Lu
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-Di Herbs, Artemisinin Research Center, and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Qiu Yan Guo
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-Di Herbs, Artemisinin Research Center, and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China.
| | - Fei Xia
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-Di Herbs, Artemisinin Research Center, and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China.
| | - Ji Gang Wang
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-Di Herbs, Artemisinin Research Center, and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China.
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117600, Singapore.
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9
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Comunale BA, Larson RJ, Jackson-Ward E, Singh A, Koback FL, Engineer LD. The Functional Implications of Broad Spectrum Bioactive Compounds Targeting RNA-Dependent RNA Polymerase (RdRp) in the Context of the COVID-19 Pandemic. Viruses 2023; 15:2316. [PMID: 38140557 PMCID: PMC10747147 DOI: 10.3390/v15122316] [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: 10/31/2023] [Revised: 11/20/2023] [Accepted: 11/21/2023] [Indexed: 12/24/2023] Open
Abstract
BACKGROUND As long as COVID-19 endures, viral surface proteins will keep changing and new viral strains will emerge, rendering prior vaccines and treatments decreasingly effective. To provide durable targets for preventive and therapeutic agents, there is increasing interest in slowly mutating viral proteins, including non-surface proteins like RdRp. METHODS A scoping review of studies was conducted describing RdRp in the context of COVID-19 through MEDLINE/PubMed and EMBASE. An iterative approach was used with input from content experts and three independent reviewers, focused on studies related to either RdRp activity inhibition or RdRp mechanisms against SARS-CoV-2. RESULTS Of the 205 records screened, 43 studies were included in the review. Twenty-five evaluated RdRp activity inhibition, and eighteen described RdRp mechanisms of existing drugs or compounds against SARS-CoV-2. In silico experiments suggested that RdRp inhibitors developed for other RNA viruses may be effective in disrupting SARS-CoV-2 replication, indicating a possible reduction of disease progression from current and future variants. In vitro, in vivo, and human clinical trial studies were largely consistent with these findings. CONCLUSIONS Future risk mitigation and treatment strategies against forthcoming SARS-CoV-2 variants should consider targeting RdRp proteins instead of surface proteins.
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Affiliation(s)
- Brittany A. Comunale
- Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Robin J. Larson
- Geisel School of Medicine at Dartmouth, Hanover, NH 03755, USA
- Department of Palliative Medicine, Dartmouth-Hitchcock Medical Center, Lebanon, NH 03756, USA
| | - Erin Jackson-Ward
- Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205, USA
- Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Aditi Singh
- Department of Biological Sciences, University of California San Diego, La Jolla, CA 92161, USA
| | | | - Lilly D. Engineer
- Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205, USA
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA
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10
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Hasan N, Nadaf A, Imran M, Jiba U, Sheikh A, Almalki WH, Almujri SS, Mohammed YH, Kesharwani P, Ahmad FJ. Skin cancer: understanding the journey of transformation from conventional to advanced treatment approaches. Mol Cancer 2023; 22:168. [PMID: 37803407 PMCID: PMC10559482 DOI: 10.1186/s12943-023-01854-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Accepted: 08/30/2023] [Indexed: 10/08/2023] Open
Abstract
Skin cancer is a global threat to the healthcare system and is estimated to incline tremendously in the next 20 years, if not diagnosed at an early stage. Even though it is curable at an early stage, novel drug identification, clinical success, and drug resistance is another major challenge. To bridge the gap and bring effective treatment, it is important to understand the etiology of skin carcinoma, the mechanism of cell proliferation, factors affecting cell growth, and the mechanism of drug resistance. The current article focusses on understanding the structural diversity of skin cancers, treatments available till date including phytocompounds, chemotherapy, radiotherapy, photothermal therapy, surgery, combination therapy, molecular targets associated with cancer growth and metastasis, and special emphasis on nanotechnology-based approaches for downregulating the deleterious disease. A detailed analysis with respect to types of nanoparticles and their scope in overcoming multidrug resistance as well as associated clinical trials has been discussed.
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Affiliation(s)
- Nazeer Hasan
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Arif Nadaf
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Mohammad Imran
- Frazer Institute, Faculty of Medicine, University of Queensland, Brisbane, 4102, Australia
| | - Umme Jiba
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Afsana Sheikh
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Waleed H Almalki
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Umm Al-Qura University, 24381, Makkah, Saudi Arabia
| | - Salem Salman Almujri
- Department of Pharmacology, College of Pharmacy, King Khalid University, 61421, Asir-Abha, Saudi Arabia
| | | | - Prashant Kesharwani
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India.
- Center for Global Health Research, Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Kuthambakkam, India.
| | - Farhan Jalees Ahmad
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India.
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11
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Wu JJ, Zhang J, Xia CY, Ding K, Li XX, Pan XG, Xu JK, He J, Zhang WK. Hypericin: A natural anthraquinone as promising therapeutic agent. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 111:154654. [PMID: 36689857 DOI: 10.1016/j.phymed.2023.154654] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 12/31/2022] [Accepted: 01/06/2023] [Indexed: 06/17/2023]
Abstract
BACKGROUND Hypericin is a prominent secondary metabolite mainly existing in genus Hypericum. It has become a research focus for a quiet long time owing to its extensively pharmacological activities especially the anti-cancer, anti-bacterial, anti-viral and neuroprotective effects. This review concentrated on summarizing and analyzing the existing studies of hypericin in a comprehensive perspective. METHODS The literature with desired information about hypericin published after 2010 was gained from electronic databases including PubMed, SciFinder, Science Direct, Web of Science, China National Knowledge Infrastructure databases and Wan Fang DATA. RESULTS According to extensive preclinical and clinical studies conducted on the hypericin, an organized and comprehensive summary of the natural and artificial sources, strategies for improving the bioactivities, pharmacological activities, drug combination of hypericin was presented to explore the future therapeutic potential of this active compound. CONCLUSIONS Overall, this review offered a theoretical guidance for the follow-up research of hypericin. However, the pharmacological mechanisms, pharmacokinetics and structure activity relationship of hypericin should be further studied in future research.
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Affiliation(s)
- Jing-Jing Wu
- China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100029, China; Institute of Clinical Medical Sciences & Department of Pharmacy, China-Japan Friendship Hospital, Beijing, 100029, China
| | - Jia Zhang
- School of Life Sciences & School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Cong-Yuan Xia
- Institute of Clinical Medical Sciences & Department of Pharmacy, China-Japan Friendship Hospital, Beijing, 100029, China
| | - Kang Ding
- School of Life Sciences & School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Xin-Xin Li
- School of Life Sciences & School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Xue-Ge Pan
- School of Life Sciences & School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Jie-Kun Xu
- School of Life Sciences & School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China.
| | - Jun He
- Institute of Clinical Medical Sciences & Department of Pharmacy, China-Japan Friendship Hospital, Beijing, 100029, China.
| | - Wei-Ku Zhang
- China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100029, China; Institute of Clinical Medical Sciences & Department of Pharmacy, China-Japan Friendship Hospital, Beijing, 100029, China.
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12
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Meng D, Yang S, Yang Y, Zhang L, Cui L. Synergistic chemotherapy and phototherapy based on red blood cell biomimetic nanomaterials. J Control Release 2022; 352:146-162. [PMID: 36252749 DOI: 10.1016/j.jconrel.2022.10.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 10/08/2022] [Accepted: 10/10/2022] [Indexed: 11/07/2022]
Abstract
Novel drug delivery systems (DDSs) have become the mainstay of research in targeted cancer therapy. By combining different therapeutic strategies, potential DDSs and synergistic treatment approaches are needed to effectively deal with evolving drug resistance and the adverse effects of cancer. Nowadays, developing and optimizing human cell-based DDSs has become a new research strategy. Among them, red blood cells can be used as DDSs as they significantly enhance the pharmacokinetics of the transported drug cargo. Phototherapy, as a novel adjuvant in cancer treatment, can be divided into photodynamic therapy and photothermal therapy. Phototherapy using erythropoietic nanocarriers to mimic the unique properties of erythrocytes and overcome the limitations of existing DDSs shows excellent prospects in clinical settings. This review provides an overview of the development of photosensitizers and research on bio-nano-delivery systems based on erythrocytes and erythrocyte membranes that are used in achieving synergistic outcomes during phototherapy/chemotherapy.
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Affiliation(s)
- Di Meng
- College of Bioengineering, Henan University of Technology, Zhengzhou, PR China
| | - Shuoye Yang
- College of Bioengineering, Henan University of Technology, Zhengzhou, PR China; Key Laboratory of Functional Molecules for Biomedical Research, Zhengzhou, PR China.
| | - Yanan Yang
- College of Bioengineering, Henan University of Technology, Zhengzhou, PR China
| | - Lu Zhang
- College of Bioengineering, Henan University of Technology, Zhengzhou, PR China; Key Laboratory of Functional Molecules for Biomedical Research, Zhengzhou, PR China
| | - Lan Cui
- College of Bioengineering, Henan University of Technology, Zhengzhou, PR China; Key Laboratory of Functional Molecules for Biomedical Research, Zhengzhou, PR China
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13
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Praena B, Mascaraque M, Andreu S, Bello-Morales R, Abarca-Lachen E, Rapozzi V, Gilaberte Y, González S, López-Guerrero JA, Juarranz Á. Potent Virucidal Activity In Vitro of Photodynamic Therapy with Hypericum Extract as Photosensitizer and White Light against Human Coronavirus HCoV-229E. Pharmaceutics 2022; 14:pharmaceutics14112364. [PMID: 36365182 PMCID: PMC9693429 DOI: 10.3390/pharmaceutics14112364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/23/2022] [Accepted: 10/27/2022] [Indexed: 11/06/2022] Open
Abstract
The emergent human coronavirus SARS-CoV-2 and its high infectivity rate has highlighted the strong need for new virucidal treatments. In this sense, the use of photodynamic therapy (PDT) with white light, to take advantage of the sunlight, is a potent strategy for decreasing the virulence and pathogenicity of the virus. Here, we report the virucidal effect of PDT based on Hypericum extract (HE) in combination with white light, which exhibits an inhibitory activity of the human coronavirus HCoV-229E on hepatocarcinoma Huh-7 cells. Moreover, despite continuous exposure to white light, HE has long durability, being able to maintain the prevention of viral infection. Given its potent in vitro virucidal capacity, we propose HE in combination with white light as a promising candidate to fight against SARS-CoV-2 as a virucidal compound.
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Affiliation(s)
- Beatriz Praena
- Departamento de Biología Molecular, Universidad Autónoma de Madrid, Edificio de Biología, Darwin 2, Cantoblanco, 28049 Madrid, Spain
| | - Marta Mascaraque
- Departamento de Biología, Universidad Autónoma de Madrid, Edificio de Biología, Darwin 2, Cantoblanco, 28049 Madrid, Spain
- Instituto Ramón y Cajal de Investigaciones Sanitarias, IRYCIS, 28040 Madrid, Spain
| | - Sabina Andreu
- Departamento de Biología Molecular, Universidad Autónoma de Madrid, Edificio de Biología, Darwin 2, Cantoblanco, 28049 Madrid, Spain
- Centro de Biología Molecular Severo Ochoa, CSIC-UAM, Cantoblanco, 28049 Madrid, Spain
| | - Raquel Bello-Morales
- Departamento de Biología Molecular, Universidad Autónoma de Madrid, Edificio de Biología, Darwin 2, Cantoblanco, 28049 Madrid, Spain
- Centro de Biología Molecular Severo Ochoa, CSIC-UAM, Cantoblanco, 28049 Madrid, Spain
| | - Edgar Abarca-Lachen
- Facultad de Ciencias de la Salud, Universidad San Jorge, 50830 Villanueva de Gállego, Spain
| | | | - Yolanda Gilaberte
- Hospital Miguel Servet, Servicio de Dermatología, 50009 Zaragoza, Spain
| | - Salvador González
- Instituto Ramón y Cajal de Investigaciones Sanitarias, IRYCIS, 28040 Madrid, Spain
- Departamento de Medicina y Especialidades Médicas, Universidad de Alcalá, 28805 Madrid, Spain
| | - José Antonio López-Guerrero
- Departamento de Biología Molecular, Universidad Autónoma de Madrid, Edificio de Biología, Darwin 2, Cantoblanco, 28049 Madrid, Spain
- Centro de Biología Molecular Severo Ochoa, CSIC-UAM, Cantoblanco, 28049 Madrid, Spain
- Correspondence: (J.A.L.-G.); (Á.J.)
| | - Ángeles Juarranz
- Departamento de Biología, Universidad Autónoma de Madrid, Edificio de Biología, Darwin 2, Cantoblanco, 28049 Madrid, Spain
- Instituto Ramón y Cajal de Investigaciones Sanitarias, IRYCIS, 28040 Madrid, Spain
- Correspondence: (J.A.L.-G.); (Á.J.)
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14
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Babotă M, Frumuzachi O, Mocan A, Tămaș M, Dias MI, Pinela J, Stojković D, Soković M, Bădărău AS, Crișan G, Barros L, Păltinean R. Unravelling Phytochemical and Bioactive Potential of Three Hypericum Species from Romanian Spontaneous Flora: H. alpigenum, H. perforatum and H. rochelii. PLANTS (BASEL, SWITZERLAND) 2022; 11:2773. [PMID: 36297796 PMCID: PMC9608712 DOI: 10.3390/plants11202773] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/11/2022] [Accepted: 10/13/2022] [Indexed: 06/16/2023]
Abstract
Hypericum perforatum L., also known as St. John’s Wort, is recognized worldwide as a valuable medicinal herb; however, other Hypericum species were intensively studied for their bioactive potential. To fill the research gap that exists in the scientific literature, a comparative evaluation between H. alpigenum Kit., H. perforatum L. and H. rochelii Griseb. & Schenk was conducted in the present study. Two types of herbal preparations obtained from the aerial parts of these species were analyzed: extracts obtained through maceration and extracts obtained through magnetic-stirring-assisted extraction. LC-DAD-ESI-MSn analysis revealed the presence of phenolic acids, flavan-3-ols and flavonoid derivatives as the main constituents of the above-mentioned species. Moreover, all extracts were tested for their antioxidant, enzyme-inhibitory and antimicrobial potential. Our work emphasizes for the first time a detailed description of H. rochelii phenolic fractions, including their phytochemical and bioactive characterization. In comparison with the other two studied species, H. rochelii was found as a rich source of phenolic acids and myricetin derivatives, showing important antioxidant, anticholinesterase and antibacterial activity. The study offers new perspectives regarding the chemical and bioactive profile of the less-studied species H. alpigenum and H. rochelii.
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Affiliation(s)
- Mihai Babotă
- Department of Pharmaceutical Botany, “Iuliu Hațieganu” University of Medicine and Pharmacy, Gheorghe Marinescu Street 23, 400337 Cluj-Napoca, Romania
| | - Oleg Frumuzachi
- Department of Pharmaceutical Botany, “Iuliu Hațieganu” University of Medicine and Pharmacy, Gheorghe Marinescu Street 23, 400337 Cluj-Napoca, Romania
| | - Andrei Mocan
- Department of Pharmaceutical Botany, “Iuliu Hațieganu” University of Medicine and Pharmacy, Gheorghe Marinescu Street 23, 400337 Cluj-Napoca, Romania
- Laboratory of Chromatography, Institute of Advanced Horticulture Research of Transylvania, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
| | - Mircea Tămaș
- Department of Pharmaceutical Botany, “Iuliu Hațieganu” University of Medicine and Pharmacy, Gheorghe Marinescu Street 23, 400337 Cluj-Napoca, Romania
| | - Maria Inês Dias
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
- Laboratório Associado para a Sustentabilidade e Tecnologia em Regiões de Montanha (SusTEC), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - José Pinela
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
- Laboratório Associado para a Sustentabilidade e Tecnologia em Regiões de Montanha (SusTEC), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Dejan Stojković
- Institute for Biological Research “Siniša Stanković”-National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060 Belgrade, Serbia
| | - Marina Soković
- Institute for Biological Research “Siniša Stanković”-National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060 Belgrade, Serbia
| | - Alexandru Sabin Bădărău
- Faculty of Environmental Sciences and Engineering, Babeș-Bolyai University, 30, Fântânele Street, 400294 Cluj-Napoca, Romania
| | - Gianina Crișan
- Department of Pharmaceutical Botany, “Iuliu Hațieganu” University of Medicine and Pharmacy, Gheorghe Marinescu Street 23, 400337 Cluj-Napoca, Romania
| | - Lillian Barros
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
- Laboratório Associado para a Sustentabilidade e Tecnologia em Regiões de Montanha (SusTEC), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Ramona Păltinean
- Department of Pharmaceutical Botany, “Iuliu Hațieganu” University of Medicine and Pharmacy, Gheorghe Marinescu Street 23, 400337 Cluj-Napoca, Romania
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15
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Doroshenko A, Tomkova S, Kozar T, Stroffekova K. Hypericin, a potential new BH3 mimetic. Front Pharmacol 2022; 13:991554. [PMID: 36267274 PMCID: PMC9577225 DOI: 10.3389/fphar.2022.991554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 08/30/2022] [Indexed: 11/13/2022] Open
Abstract
Many types of cancer such as prostate cancer, myeloid leukemia, breast cancer, glioblastoma display strong chemo resistance, which is supported by enhanced expression of multiple anti-apoptotic Bcl-2, Bcl-XL and Mcl-1 proteins. The viable anti-cancer strategies are based on developing anti-apoptotic Bcl-2 proteins inhibitors, BH3 mimetics. Our focus in past years has been on the investigating a new potential BH3 mimetic, Hypericin (Hyp). Hyp is a naturally occurring photosensitive compound used in photodynamic therapy and diagnosis. We have demonstrated that Hyp can cause substantial effects in cellular ultrastructure, mitochondria function and metabolism, and distribution of Bcl2 proteins in malignant and non-malignant cells. One of the possible mechanisms of Hyp action could be the direct interactions between Bcl-2 proteins and Hyp. We investigated this assumption by in silico computer modelling and in vitro fluorescent spectroscopy experiments with the small Bcl2 peptide segments designed to correspond to Bcl2 BH3 and BH1 domains. We show here that Hyp interacts with BH3 and BH1 peptides in concentration dependent manner, and shows the stronger interactions than known BH3 mimetics, Gossypol (Goss) and ABT-263. In addition, interactions of Hyp, Goss and ABT263, with whole purified proteins Bcl-2 and Mcl-1 by fluorescence spectroscopy show that Hyp interacts stronger with the Bcl-2 and less with Mcl-1 protein than Goss or ABT-263. This suggest that Hyp is comparable to other BH3 mimetics and could be explore as such. Hyp cytotoxicity was low in human U87 MG glioma, similar to that of ABT263, where Goss exerted sufficient cytotoxicity, suggesting that Hyp acts primarily on Bcl-2, but not on Mcl-1 protein. In combination therapy, low doses of Hyp with Goss effectively decreased U87 MG viability, suggesting a possible synergy effect. Overall, we can conclude that Hyp as BH3 mimetic acts primarily on Bcl-2 protein and can be explored to target cells with Bcl-2 over-expression, or in combination with other BH3 mimetics, that target Mcl-1 or Bcl-XL proteins, in dual therapy.
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Affiliation(s)
- Anastasia Doroshenko
- Department of Biophysics, Faculty of Natural Sciences, PJ Safarik University, Kosice, Slovakia
| | - Silvia Tomkova
- Department of Biophysics, Faculty of Natural Sciences, PJ Safarik University, Kosice, Slovakia
| | - Tibor Kozar
- Center of Interdisciplinary Biosciences, TIP-Safarik University, Kosice, Slovakia
| | - Katarina Stroffekova
- Department of Biophysics, Faculty of Natural Sciences, PJ Safarik University, Kosice, Slovakia
- *Correspondence: Katarina Stroffekova,
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Pevna V, Horvath D, Wagnieres G, Huntosova V. Photobiomodulation and photodynamic therapy-induced switching of autophagy and apoptosis in human dermal fibroblasts. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2022; 234:112539. [PMID: 35973285 DOI: 10.1016/j.jphotobiol.2022.112539] [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: 04/22/2022] [Revised: 08/01/2022] [Accepted: 08/04/2022] [Indexed: 06/15/2023]
Abstract
Nowadays, photobiomodulation (PBM) in combination with chemotherapy or other therapeutic approaches is an attractive adjuvant modality for cancer treatment. Targeted destruction of cancer cells is one of the main advantages of photodynamic therapy (PDT). We have shown in previous studies that the combination of PBM at 808 nm and hypericin-mediated PDT increases PDT efficacy in human glioblastoma cells U87 MG. The study presented here shows significant differences between U87 MG and non-cancerous human dermal fibroblasts (HDF) cells treated by PBM and PDT. This study focuses on mitochondria because PBM mainly affects these organelles. We demonstrated that an interplay between mitochondrial and autophagic proteins plays a crucial role in the response of HDF cells to PBM and PDT. Fluorescence microscopy, flow cytometry, and Western blot analysis were used to examine the autophagic profile of HDF cells after these treatments. An increase in ubiquitin, SQSTM1, LC3BII, and cytochrome c was accompanied by a decrease in M6PR, ATG16L1, and Opa1 in HDF cells exposed to PBM and PDT. Overall, we observed that the switching of autophagy and apoptosis is dose-dependent and also occurs independently of PBM in HDF cells after hypericin-mediated PDT. However, PBM might preferentially induce autophagy in noncancer cells, which might escape apoptosis under certain conditions.
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Affiliation(s)
- Viktoria Pevna
- Department of Biophysics, Institute of Physics, Faculty of Science, P.J. Safarik University in Kosice, Jesenna 5, 041 54 Kosice, Slovakia.
| | - Denis Horvath
- Center for Interdisciplinary Biosciences, Technology and Innovation Park, P.J. Safarik University in Kosice, Jesenna 5, 041 54 Kosice, Slovakia.
| | - Georges Wagnieres
- Laboratory for Functional and Metabolic Imaging, Institute of Physics, Swiss Federal Institute of Technology in Lausanne (EPFL), Station 3, Building PH, 1015 Lausanne, Switzerland.
| | - Veronika Huntosova
- Center for Interdisciplinary Biosciences, Technology and Innovation Park, P.J. Safarik University in Kosice, Jesenna 5, 041 54 Kosice, Slovakia.
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Hempfling L, Adamus A, Wagner BR, Engel N, Seitz G. A new valid rhabdomyosarcoma spheroid culture model for in vitro evaluation of hypericin-based photodynamic therapy. Pediatr Blood Cancer 2022; 69:e29482. [PMID: 34889033 DOI: 10.1002/pbc.29482] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 10/19/2021] [Accepted: 11/05/2021] [Indexed: 12/28/2022]
Abstract
BACKGROUND Advanced stages of pediatric alveolar rhabdomyosarcoma (RMA) are associated with an unfavorable outcome at established therapeutic strategies, accentuating the need for novel treatment options. Photodynamic therapy (PDT) with hypericin (HYP) has shown strong cytotoxic effects in two-dimensional (2D) cell culture. In order to more accurately mimic in vivo tissue architecture and better predict pharmaceutical response, the aim of this study was to establish a spheroid culture model by which PDT efficacy could be assessed in a three-dimensional (3D) context. MATERIALS AND METHODS 3D multicellular tumor spheroids were generated using various scaffold-based and scaffold-free techniques. On two reproducible methods, HYP-PDT was performed varying spheroid sizes, photosensitizer concentrations, and illumination times. The ability for HYP uptake within the spheroid was analyzed assessing the substrate's autofluorescence. Antitumorigenic treatment effects were evaluated investigating cell viability, spheroid morphology, proliferative activity, and induction of apoptosis. RESULTS Magnetic spheroid printing and orbital shaking methods were established as reproducible culturing systems producing uniform spheroids. Within assessed incubation times, HYP showed good penetration depth in spheroids containing 50,000 cells. PDT was causing metabolic and molecular impairment of RMA cells, resulting in viability decrease, reduction of cell proliferation, and induction of apoptosis. CONCLUSION Assessing HYP-based PDT in a 3D culture model, we were able to gain an insight on how parameters like photosensitizer, oxygen, and light distribution contribute to the phototoxic effect. Compared to 2D cell culture, a higher treatment resistance was detected, which can be related to spheroid structure and mechanisms of intercellular communication, signal transduction, and gene expression.
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Affiliation(s)
- Laura Hempfling
- Department of Pediatric Surgery, University Hospital Marburg, Baldingerstrasse, Marburg, Germany
| | - Anna Adamus
- Department of Pediatric Surgery, University Hospital Marburg, Baldingerstrasse, Marburg, Germany
| | - Benedikt R Wagner
- Department of Pediatric Surgery, University Hospital Marburg, Baldingerstrasse, Marburg, Germany
| | - Nadja Engel
- Department of Pediatric Surgery, University Hospital Marburg, Baldingerstrasse, Marburg, Germany.,Department of Oral and Maxillofacial Surgery, Facial Plastic Surgery, Rostock University Medical Center, Rostock, Germany
| | - Guido Seitz
- Department of Pediatric Surgery, University Hospital Marburg, Baldingerstrasse, Marburg, Germany
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Adnane F, El-Zayat E, Fahmy HM. The combinational application of photodynamic therapy and nanotechnology in skin cancer treatment: A review. Tissue Cell 2022; 77:101856. [DOI: 10.1016/j.tice.2022.101856] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 06/11/2022] [Accepted: 06/11/2022] [Indexed: 02/07/2023]
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In vitro 3D malignant melanoma model for the evaluation of hypericin-loaded oil-in-water microemulsion in photodynamic therapy. Biodes Manuf 2022. [DOI: 10.1007/s42242-022-00202-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Foglietta F, Canaparo R, Cossari S, Panzanelli P, Dosio F, Serpe L. Ultrasound Triggers Hypericin Activation Leading to Multifaceted Anticancer Activity. Pharmaceutics 2022; 14:1102. [PMID: 35631688 PMCID: PMC9146189 DOI: 10.3390/pharmaceutics14051102] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 05/18/2022] [Accepted: 05/19/2022] [Indexed: 12/04/2022] Open
Abstract
The use of ultrasound (US) in combination with a responsive chemical agent (sonosensitizer) can selectively trigger the agent's anticancer activity in a process called sonodynamic therapy (SDT). SDT shares some properties with photodynamic therapy (PDT), which has been clinically approved, but sets itself apart because of its use of US rather than light to achieve better tissue penetration. SDT provides anticancer effects mainly via the sonosensitizer-mediated generation of reactive oxygen species (ROS), although the precise nature of the underpinning mechanism is still under debate. This work investigates the SDT anticancer activity of hypericin (Hyp) in vitro in two- (2D) and three-dimensional (3D) HT-29 colon cancer models, and uses PDT as a yardstick due to its well-known Hyp phototoxicity. The cancer cell uptake and cellular localization of Hyp were investigated first to determine the proper noncytotoxic concentration and incubation time of Hyp for SDT. Furthermore, ROS production, cell proliferation, and cell death were evaluated after Hyp was exposed to US. Since cancer relapse and transporter-mediated multidrug resistance (MDR) are important causes of cancer treatment failure, the US-mediated ability of Hyp to elicit immunogenic cell death (ICD) and overcome MDR was also investigated. SDT showed strong ROS-mediated anticancer activity 48 h after treatment in both the HT-29 models. Specific damage-associated molecular patterns that are consistent with ICD, such as calreticulin (CRT) exposure and high-mobility group box 1 protein (HMGB1) release, were observed after SDT with Hyp. Moreover, the expression of the ABC transporter, P-glycoprotein (P-gp), in HT-29/MDR cells was not able to hinder cancer cell responsiveness to SDT with Hyp. This work reveals, for the first time, the US responsiveness of Hyp with significant anticancer activity being displayed, making it a full-fledged sonosensitizer for the SDT of cancer.
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Affiliation(s)
- Federica Foglietta
- Department of Drug Science and Technology, University of Torino, 10125 Torino, Italy; (F.F.); (R.C.); (S.C.); (L.S.)
| | - Roberto Canaparo
- Department of Drug Science and Technology, University of Torino, 10125 Torino, Italy; (F.F.); (R.C.); (S.C.); (L.S.)
| | - Simone Cossari
- Department of Drug Science and Technology, University of Torino, 10125 Torino, Italy; (F.F.); (R.C.); (S.C.); (L.S.)
| | - Patrizia Panzanelli
- Department of Neuroscience Rita Levi Montalcini, University of Torino, 10125 Torino, Italy;
| | - Franco Dosio
- Department of Drug Science and Technology, University of Torino, 10125 Torino, Italy; (F.F.); (R.C.); (S.C.); (L.S.)
| | - Loredana Serpe
- Department of Drug Science and Technology, University of Torino, 10125 Torino, Italy; (F.F.); (R.C.); (S.C.); (L.S.)
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Bassler MC, Rammler T, Wackenhut F, Zur Oven-Krockhaus S, Secic I, Ritz R, Meixner AJ, Brecht M. Accumulation and penetration behavior of hypericin in glioma tumor spheroids studied by fluorescence microscopy and confocal fluorescence lifetime imaging microscopy. Anal Bioanal Chem 2022; 414:4849-4860. [PMID: 35538227 PMCID: PMC9234035 DOI: 10.1007/s00216-022-04107-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/14/2022] [Accepted: 04/28/2022] [Indexed: 12/17/2022]
Abstract
Glioblastoma WHO IV belongs to a group of brain tumors that are still incurable. A promising treatment approach applies photodynamic therapy (PDT) with hypericin as a photosensitizer. To generate a comprehensive understanding of the photosensitizer-tumor interactions, the first part of our study is focused on investigating the distribution and penetration behavior of hypericin in glioma cell spheroids by fluorescence microscopy. In the second part, fluorescence lifetime imaging microscopy (FLIM) was used to correlate fluorescence lifetime (FLT) changes of hypericin to environmental effects inside the spheroids. In this context, 3D tumor spheroids are an excellent model system since they consider 3D cell-cell interactions and the extracellular matrix is similar to tumors in vivo. Our analytical approach considers hypericin as probe molecule for FLIM and as photosensitizer for PDT at the same time, making it possible to directly draw conclusions of the state and location of the drug in a biological system. The knowledge of both state and location of hypericin makes a fundamental understanding of the impact of hypericin PDT in brain tumors possible. Following different incubation conditions, the hypericin distribution in peripheral and central cryosections of the spheroids were analyzed. Both fluorescence microscopy and FLIM revealed a hypericin gradient towards the spheroid core for short incubation periods or small concentrations. On the other hand, a homogeneous hypericin distribution is observed for long incubation times and high concentrations. Especially, the observed FLT change is crucial for the PDT efficiency, since the triplet yield, and hence the O2 activation, is directly proportional to the FLT. Based on the FLT increase inside spheroids, an incubation time > 30 min is required to achieve most suitable conditions for an effective PDT.
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Affiliation(s)
- Miriam C Bassler
- Process Analysis and Technology (PA&T), Reutlingen University, Alteburgstr. 150, 72762, Reutlingen, Germany.,Institute of Physical and Theoretical Chemistry, University of Tübingen, Auf der Morgenstelle 18, 72076, Tübingen, Germany
| | - Tim Rammler
- Institute of Physical and Theoretical Chemistry, University of Tübingen, Auf der Morgenstelle 18, 72076, Tübingen, Germany
| | - Frank Wackenhut
- Process Analysis and Technology (PA&T), Reutlingen University, Alteburgstr. 150, 72762, Reutlingen, Germany.
| | - Sven Zur Oven-Krockhaus
- Institute of Physical and Theoretical Chemistry, University of Tübingen, Auf der Morgenstelle 18, 72076, Tübingen, Germany
| | - Ivona Secic
- Process Analysis and Technology (PA&T), Reutlingen University, Alteburgstr. 150, 72762, Reutlingen, Germany
| | - Rainer Ritz
- Department of Neurosurgery, Schwarzwald-Baar Clinic, Klinikstr. 11, 78052, Villingen-Schwenningen, Germany
| | - Alfred J Meixner
- Institute of Physical and Theoretical Chemistry, University of Tübingen, Auf der Morgenstelle 18, 72076, Tübingen, Germany
| | - Marc Brecht
- Process Analysis and Technology (PA&T), Reutlingen University, Alteburgstr. 150, 72762, Reutlingen, Germany. .,Institute of Physical and Theoretical Chemistry, University of Tübingen, Auf der Morgenstelle 18, 72076, Tübingen, Germany.
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22
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Carter NS, Kawasaki Y, Nahata SS, Elikaee S, Rajab S, Salam L, Alabdulal MY, Broessel KK, Foroghi F, Abbas A, Poormohamadian R, Roberts SC. Polyamine Metabolism in Leishmania Parasites: A Promising Therapeutic Target. Med Sci (Basel) 2022; 10:24. [PMID: 35645240 PMCID: PMC9149861 DOI: 10.3390/medsci10020024] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 04/18/2022] [Accepted: 04/18/2022] [Indexed: 12/30/2022] Open
Abstract
Parasites of the genus Leishmania cause a variety of devastating and often fatal diseases in humans and domestic animals worldwide. The need for new therapeutic strategies is urgent because no vaccine is available, and treatment options are limited due to a lack of specificity and the emergence of drug resistance. Polyamines are metabolites that play a central role in rapidly proliferating cells, and recent studies have highlighted their critical nature in Leishmania. Numerous studies using a variety of inhibitors as well as gene deletion mutants have elucidated the pathway and routes of transport, revealing unique aspects of polyamine metabolism in Leishmania parasites. These studies have also shed light on the significance of polyamines for parasite proliferation, infectivity, and host-parasite interactions. This comprehensive review article focuses on the main polyamine biosynthetic enzymes: ornithine decarboxylase, S-adenosylmethionine decarboxylase, and spermidine synthase, and it emphasizes recent discoveries that advance these enzymes as potential therapeutic targets against Leishmania parasites.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | - Sigrid C. Roberts
- School of Pharmacy, Pacific University Oregon, Hillsboro, OR 97123, USA; (N.S.C.); (Y.K.); (S.S.N.); (S.E.); (S.R.); (L.S.); (M.Y.A.); (K.K.B.); (F.F.); (A.A.); (R.P.)
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23
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Sun L, Shang H, Wu Y, Xin X. Hypericin-mediated photodynamic therapy enhances gemcitabine induced Capan-2 cell apoptosis via inhibiting NADPH level. J Pharm Pharmacol 2022; 74:596-604. [PMID: 34089613 DOI: 10.1093/jpp/rgab073] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 04/29/2021] [Indexed: 11/14/2022]
Abstract
OBJECTIVES The combination of gemcitabine (Gem) and hypericin (HY) enhances the apoptosis of Capan-2 cells, providing a promising option for the treatment of pancreatic cancer. Our study further explored the cytotoxic mechanism of HY combined with chemotherapy drugs on pancreatic cancer. METHODS The proliferation rate of the cells assayed with the MTT method. The ROS (reactive oxygen species) levels of each treatment were evaluated by DCFH-DA oxidisation methods. The activity of glutathione reductase and the levels of reduced glutathione (GSH) and oxidised glutathione (GSSG) were assessed using assay kits. The expression levels of apoptosis-related proteins were analysed by western blotting. KEY FINDINGS The activity of glucose-6-phosphate dehydrogenase (G6PDH), a key enzyme of the pentose phosphate pathway, significantly decreased in Gem + HY groups, however, the ROS level enhanced accompanying with GSH depleting, mitochondrial membrane depolarisation and cytochrome C release. Gem + HY inhibits the expression of Bcl-2 but stimulates Bax level, triggering caspase activation and PARP cleavage and thus promoted apoptosis of Capan-2 cells. CONCLUSIONS We demonstrated that Gem combined HY-PDT could inhibit the proliferation of Capan-2 cells and induce cell apoptosis. HY-PDT combined with Gem had a great potential on pancreatic cancer treatment clinically.
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Affiliation(s)
- Liyun Sun
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China
| | - Huoli Shang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China
| | - Yuzhen Wu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China
| | - Xiujuan Xin
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China
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Some Natural Photosensitizers and Their Medicinal Properties for Use in Photodynamic Therapy. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27041192. [PMID: 35208984 PMCID: PMC8879555 DOI: 10.3390/molecules27041192] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 02/07/2022] [Accepted: 02/08/2022] [Indexed: 12/26/2022]
Abstract
Despite significant advances in early diagnosis and treatment, cancer is one of the leading causes of death. Photodynamic therapy (PDT) is a therapy for the treatment of many diseases, including cancer. This therapy uses a combination of a photosensitizer (PS), light irradiation of appropriate length and molecular oxygen. The photodynamic effect kills cancer cells through apoptosis, necrosis, or autophagy of tumor cells. PDT is a promising approach for eliminating various cancers but is not yet as widely applied in therapy as conventional chemotherapy. Currently, natural compounds with photosensitizing properties are being discovered and identified. A reduced toxicity to healthy tissues and a lower incidence of side effects inspires scientists to seek natural PS for PDT. In this review, several groups of compounds with photoactive properties are presented. The use of natural products has been shown to be a fruitful approach in the discovery of novel pharmaceuticals. This review focused on the anticancer activity of furanocoumarins, polyacetylenes, thiophenes, tolyporphins, curcumins, alkaloid and anthraquinones in relation to the light-absorbing properties. Attention will be paid to their phototoxic and anti-cancer effects on various types of cancer.
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25
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Kubrak T, Karakuła M, Czop M, Kawczyk-Krupka A, Aebisher D. Advances in Management of Bladder Cancer-The Role of Photodynamic Therapy. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27030731. [PMID: 35163996 PMCID: PMC8838614 DOI: 10.3390/molecules27030731] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 01/15/2022] [Accepted: 01/20/2022] [Indexed: 12/27/2022]
Abstract
Photodynamic therapy (PDT) is a non-invasive and modern form of therapy. It is used in the treatment of non-oncological diseases and more and more often in the treatment of various types of neoplasms in various locations including bladder cancer. The PDT method consists of local or systemic application of a photosensitizer, i.e., a photosensitive compound that accumulates in pathological tissue. Light of appropriate wavelength is absorbed by the photosensitizer molecules, which in turn transfers energy to oxygen or initiates radical processes that leads to selective destruction of diseased cells. The technique enables the selective destruction of malignant cells, as the photocytotoxicity reactions induced by the photosensitizer take place strictly within the pathological tissue. PDT is known to be well tolerated in a clinical setting in patients. In cited papers herein no new safety issues were identified. The development of anti-cancer PDT therapies has greatly accelerated over the last decade. There was no evidence of increased or cumulative toxic effects with each PDT treatment. Many modifications have been made to enhance the effects. Clinically, bladder cancer remains one of the deadliest urological diseases of the urinary system. The subject of this review is the anti-cancer use of PDT, its benefits and possible modifications that may lead to more effective treatments for bladder cancer. Bladder cancer, if localized, would seem to be a good candidate for PDT therapy since this does not involve the toxicity of systemic chemotherapy and can spare normal tissues from damage if properly carried out. It is clear that PDT deserves more investment in clinical research, especially for plant-based photosensitizers. Natural PS isolated from plants and other biological sources can be considered a green approach to PDT in cancer therapy. Currently, PDT is widely used in the treatment of skin cancer, but numerous studies show the advantages of related therapeutic strategies that can help eliminate various types of cancer, including bladder cancer. PDT for bladder cancer in which photosensitizer is locally activated and generates cytotoxic reactive oxygen species and causing cell death, is a modern treatment. Moreover, PDT is an innovative technique in oncologic urology.
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Affiliation(s)
- Tomasz Kubrak
- Department of Biochemistry and General Chemistry, Medical College of the University of Rzeszów, 35-310 Rzeszów, Poland
- Correspondence:
| | - Michał Karakuła
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland;
| | - Marcin Czop
- Department of Clinical Genetics, Medical University of Lublin, Radziwiłłowska 11, 20-080 Lublin, Poland;
| | - Aleksandra Kawczyk-Krupka
- School of Medicine with the Division of Dentistry in Zabrze, Department of Internal Diseases, Angiology and Physical Medicine, Center for Laser Diagnostics and Therapy, Medical University of Silesia in Katowice, Batorego Street 15, 41-902 Bytom, Poland;
| | - David Aebisher
- Department of Photomedicine and Physical Chemistry, Medical College of the University of Rzeszów, 35-310 Rzeszów, Poland;
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26
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Wang L, Liu Q, Wackenhut F, Brecht M, Adam PM, Gierschner J, Meixner AJ. Monitoring tautomerization of single hypericin molecules in a tunable optical λ/2 microcavity. J Chem Phys 2022; 156:014203. [PMID: 34998354 DOI: 10.1063/5.0078117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Hypericin tautomerization that involves the migration of the labile protons is believed to be the primary photophysical process relevant to its light-activated antiviral activity. Despite the difficulty in isolating individual tautomers, it can be directly observed in single-molecule experiments. We show that the tautomerization of single hypericin molecules in free space is observed as an abrupt flipping of the image pattern accompanied with fluorescence intensity fluctuations, which are not correlated with lifetime changes. Moreover, the study can be extended to a λ/2 Fabry-Pérot microcavity. The modification of the local photonic environment by a microcavity is well simulated with a theoretical model that shows good agreement with the experimental data. Inside a microcavity, the excited state lifetime and fluorescence intensity of single hypericin molecules are correlated, and a distinct jump of the lifetime and fluorescence intensity reveals the temporal behavior of the tautomerization with high sensitivity and high temporal resolution. The observed changes are also consistent with time-dependent density functional theory calculations. Our approach paves the way to monitor and even control reactions for a wider range of molecules at the single molecule level.
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Affiliation(s)
- Liangxuan Wang
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University Tübingen, 72076 Tübingen, Germany
| | - Quan Liu
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University Tübingen, 72076 Tübingen, Germany
| | - Frank Wackenhut
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University Tübingen, 72076 Tübingen, Germany
| | - Marc Brecht
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University Tübingen, 72076 Tübingen, Germany
| | - Pierre-Michel Adam
- Laboratoire Lumiére, Nanomatériaux et Nanotechnologies (L2n), CNRS ERL 7004, Université de Technologie de Troyes, 10004 Troyes, France
| | - Johannes Gierschner
- Madrid Institute for Advanced Studies, IMDEA in Nanoscience, C/ Faraday 9, Ciudad Universitaria Cantoblanco, 28049 Madrid, Spain
| | - Alfred J Meixner
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University Tübingen, 72076 Tübingen, Germany
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27
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Ziental D, Mlynarczyk DT, Czarczynska-Goslinska B, Lewandowski K, Sobotta L. Photosensitizers Mediated Photodynamic Inactivation against Fungi. NANOMATERIALS 2021; 11:nano11112883. [PMID: 34835655 PMCID: PMC8621466 DOI: 10.3390/nano11112883] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 10/13/2021] [Accepted: 10/19/2021] [Indexed: 01/12/2023]
Abstract
Superficial and systemic fungal infections are essential problems for the modern health care system. One of the challenges is the growing resistance of fungi to classic antifungals and the constantly increasing cost of therapy. These factors force the scientific world to intensify the search for alternative and more effective methods of treatment. This paper presents an overview of new fungal inactivation methods using Photodynamic Antimicrobial Chemotherapy (PACT). The results of research on compounds from the groups of phenothiazines, xanthanes, porphyrins, chlorins, porphyrazines, and phthalocyanines are presented. An intensive search for a photosensitizer with excellent properties is currently underway. The formulation based on the existing ones is also developed by combining them with nanoparticles and common antifungal therapy. Numerous studies indicate that fungi do not form any specific defense mechanism against PACT, which deems it a promising therapeutic alternative.
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Affiliation(s)
- Daniel Ziental
- Chair and Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland; (D.Z.); (K.L.)
| | - Dariusz T. Mlynarczyk
- Chair and Department of Chemical Technology of Drugs, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland;
| | - Beata Czarczynska-Goslinska
- Chair and Department of Pharmaceutical Technology, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland;
| | - Konrad Lewandowski
- Chair and Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland; (D.Z.); (K.L.)
| | - Lukasz Sobotta
- Chair and Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland; (D.Z.); (K.L.)
- Correspondence:
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Ma HL, Varanda LC, Perussi JR, Carrilho E. Hypericin-loaded oil-in-water nanoemulsion synthesized by ultrasonication process enhances photodynamic therapy efficiency. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2021; 223:112303. [PMID: 34509718 DOI: 10.1016/j.jphotobiol.2021.112303] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 08/12/2021] [Accepted: 08/26/2021] [Indexed: 01/01/2023]
Abstract
Hypericin (Hy) is a hydrophobic photosensitizer used in photodynamic therapy for cancer therapeutic. In this study, Hy-loaded oil-in-water (O/W) nanoemulsions (NEs) were produced by the ultrasonication method combing different biocompatible oils and surfactants to enhance Hy aqueous solubility and bioavailability. Experimental parameters were optimized by the characterization of droplet size, zeta potential, and physicochemical properties. In vitro studies based on the release profile, cytotoxicity, cell morphology, and Hy intracellular accumulation were assayed. Hy at 100 mg L-1 was incorporated into the low viscosity (~0.005 Pa s) NEs with spherical droplets averaging 20-40 nm in size and polydispersity index <0.02. Hy release from the NE was significantly higher (4-fold) than its suspension (p < 0.001). The NEs demonstrated good physical stability during storage at 5 °C for at least six months. The Hy-loaded NEs exhibited an IC50 value 6-fold lower than Hy suspension during PDT against breast cancer cell lines (MCF-7). Cell microscopy imaging confirmed the increased cytotoxic effects of Hy-loaded NEs, showing damaged and apoptotic cells. Confocal laser scanning microscopy evidenced greater Hy delivery through NE into MCF-7 cells followed by improved intracellular ROS generation. Our results suggest that the Hy-loaded NEs can improve hypericin efficacy and assist Hy-PDT's preclinical development as a cancer treatment.
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Affiliation(s)
- Hui Ling Ma
- Instituto de Química de São Carlos, Universidade de São Paulo, 13566-590 São Carlos, SP, Brazil; Instituto Nacional de Ciência e Tecnologia de Bioanalítica - INCTBio, 13083-970 Campinas, SP, Brazil
| | - Laudemir Carlos Varanda
- Instituto de Química de São Carlos, Universidade de São Paulo, 13566-590 São Carlos, SP, Brazil
| | | | - Emanuel Carrilho
- Instituto de Química de São Carlos, Universidade de São Paulo, 13566-590 São Carlos, SP, Brazil; Instituto Nacional de Ciência e Tecnologia de Bioanalítica - INCTBio, 13083-970 Campinas, SP, Brazil.
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Sun L, Li Z, Shang H, Xin X. Hypericin Enhances Paclitaxel-Induced B16-F10 Cell Apoptosis by Activating a Cytochrome c Release-Dependent Pathway. Front Pharmacol 2021; 12:652452. [PMID: 34421585 PMCID: PMC8371448 DOI: 10.3389/fphar.2021.652452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 06/30/2021] [Indexed: 11/30/2022] Open
Abstract
The enhanced inhibitory effect of paclitaxel (PTX) combined with hypericin (HY) on B16-F10 cells may be realized through the ROS-related cytochrome c release pathway. The apoptotic characteristics of the B16-F10 cells, such as DNA fragmentation, chromatin condensation, and apoptotic body formation, were all enhanced in the combined treatment group. Further investigation showed that the combination of paclitaxel and HY could increase the level of mitochondrial damage and the concentration of cytochrome c, causing the expression of caspase-3 and the cleavage of PARP.1. Compared with paclitaxel or HY alone, the level of reactive oxygen species (ROS) increased significantly, while glutathione reductase (GR) activity and intracellular glutathione (GSH) levels decreased significantly in the combination group.
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Affiliation(s)
- Liyun Sun
- East China University of Science and Technology, Shanghai, China
| | - Zixuan Li
- East China University of Science and Technology, Shanghai, China
| | - Huoli Shang
- East China University of Science and Technology, Shanghai, China
| | - Xiujuan Xin
- East China University of Science and Technology, Shanghai, China
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30
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de Andrade GP, de Souza TFM, Cerchiaro G, Pinhal MADS, Ribeiro AO, Girão MJBC. Hypericin in photobiological assays: An overview. Photodiagnosis Photodyn Ther 2021; 35:102343. [PMID: 34038765 DOI: 10.1016/j.pdpdt.2021.102343] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 05/05/2021] [Accepted: 05/14/2021] [Indexed: 11/19/2022]
Abstract
Hypericin is considered a potent photosensitizer for use in antitumor and antimicrobial photodynamic therapy (PDT). This review presents the primary biological results obtained with hypericin in photodynamic therapy applications, such as photodynamic cancer treatment, photoinactivation of microorganisms (PDI), tissue scarring, and photo diagnosis. We present a compilation of in vitro results that have been published thus far; for these studies, we highlight the hypericin concentration, light dose, and other experimental conditions to evaluate the efficiency of photodynamic treatment like cell death, cell viability, or cell proliferation. The results indicate that different hypericin phototoxicity levels can be observed according to the specific light dose and concentration. Furthermore, it was shown that cellular localization and cell death mechanisms (apoptosis and necrosis) are dependent on the cell type.
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Affiliation(s)
- Gislaine Patricia de Andrade
- Centro de Ciências Naturais e Humanas (CCNH), Universidade Federal do ABC, Av. dos Estados, 5001, Bairro Bangú, Santo André, SP, Brasil
| | | | - Giselle Cerchiaro
- Centro de Ciências Naturais e Humanas (CCNH), Universidade Federal do ABC, Av. dos Estados, 5001, Bairro Bangú, Santo André, SP, Brasil
| | - Maria Aparecida da Silva Pinhal
- Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), Rua Três de Maio, 100, Vila Clementino, São Paulo, SP, Brasil
| | - Anderson Orzari Ribeiro
- Centro de Ciências Naturais e Humanas (CCNH), Universidade Federal do ABC, Av. dos Estados, 5001, Bairro Bangú, Santo André, SP, Brasil.
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31
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Torres-Martínez A, Bedrina B, Falomir E, Marín MJ, Angulo-Pachón CA, Galindo F, Miravet JF. Non-Polymeric Nanogels as Versatile Nanocarriers: Intracellular Transport of the Photosensitizers Rose Bengal and Hypericin for Photodynamic Therapy. ACS APPLIED BIO MATERIALS 2021; 4:3658-3669. [PMID: 35014451 DOI: 10.1021/acsabm.1c00139] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The use of nanocarriers for intracellular transport of actives has been extensively studied in recent years and represents a central area of nanomedicine. The main novelty of this paper lies on the use of nanogels formed by a low-molecular-weight gelator (1). Here, non-polymeric, molecular nanogels are successfully used for intracellular transport of two photodynamic therapy (PDT) agents, Rose Bengal (RB) and hypericin (HYP). The two photosensitizers (PSs) exhibit different drawbacks for their use in clinical applications. HYP is poorly water-soluble, while the cellular uptake of RB is hindered due to its dianionic character at physiological pH values. Additionally, both PSs tend to aggregate precluding an effective PDT. Despite the different nature of these PSs, nanogels from gelator 1 provide, in both cases, an efficient intracellular transport into human colon adenocarcinoma cells (HT-29) and a notably improved PDT efficiency, as assessed by confocal laser scanning microscopy and flow cytometry. Furthermore, no significant dark toxicity of the nanogels is observed, supporting the biocompatibility of the delivery system. The developed nanogels are highly reproducible due to their non-polymeric nature, and their synthesis is easily scaled up. The results presented here thus confirm the potential of molecular nanogels as valuable nanocarriers, capable of entrapping both hydrophobic and hydrophilic actives, for PDT of cancer.
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Affiliation(s)
- Ana Torres-Martínez
- Departament de Química Inorgànica i Orgànica, Universitat Jaume I, Avda. Sos Baynat s/n, Castelló de la Plana 12071, Spain
| | - Begoña Bedrina
- Departament de Química Inorgànica i Orgànica, Universitat Jaume I, Avda. Sos Baynat s/n, Castelló de la Plana 12071, Spain
| | - Eva Falomir
- Departament de Química Inorgànica i Orgànica, Universitat Jaume I, Avda. Sos Baynat s/n, Castelló de la Plana 12071, Spain
| | - María J Marín
- School of Chemistry, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, U.K
| | - César A Angulo-Pachón
- Departament de Química Inorgànica i Orgànica, Universitat Jaume I, Avda. Sos Baynat s/n, Castelló de la Plana 12071, Spain
| | - Francisco Galindo
- Departament de Química Inorgànica i Orgànica, Universitat Jaume I, Avda. Sos Baynat s/n, Castelló de la Plana 12071, Spain
| | - Juan F Miravet
- Departament de Química Inorgànica i Orgànica, Universitat Jaume I, Avda. Sos Baynat s/n, Castelló de la Plana 12071, Spain
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Yue D, Cai X, Fan M, Zhu J, Tian J, Wu L, Jiang Q, Gu Z. An Alternating Irradiation Strategy-Driven Combination Therapy of PDT and RNAi for Highly Efficient Inhibition of Tumor Growth and Metastasis. Adv Healthc Mater 2021; 10:e2001850. [PMID: 33314663 DOI: 10.1002/adhm.202001850] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 11/19/2020] [Indexed: 02/06/2023]
Abstract
Hypoxia and hypoxia induced overexpression of vascular endothelial growth factor (VEGF) not only seriously affects the treatment effects of photodynamic therapy (PDT) but also promotes tumor metastasis. Herein, an alternating irradiation strategy (referred to as alternate use of low/high dose of light [ALHDL] irradiation)-driven combination therapy of PDT and RNA interference (RNAi) is developed to synergistically inhibit tumor growth and metastasis. A cationic amphipathic peptide (ALS) served as a carrier in the co-delivery system of photochlor (HPPH) and siVEGF (ALSH/siVEGF). At the beginning of ALHDL-driven ALSH/siVEGF treatment, short-term LDL irradiation can facilitate the tumor penetration, cellular uptake, and endosome escape of ALSH/siVEGF. Moreover, accompanied by HDL-mediated rapid cell apoptosis and LDL-mediated efficient VEGF silencing, the joint use of PDT and RNAi achieved remarkable antitumor effects both in vitro and in vivo. Importantly, benefited from the excellent performance of ALHDL in slowing the rapid deterioration of the anoxic environment of tumors, and ALSH/siVEGF treatment-mediated highly improved VEGF silencing efficacy and inhibitory effect on angiogenesis, the liver and lung metastases of HeLa cells have been successfully suppressed. Together, this study clearly indicates that ALHDL-driven combination therapy of PDT and RNAi is a highly effective modality for inhibition of tumor growth and metastasis.
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Affiliation(s)
- Dong Yue
- National Engineering Research Center for Biomaterials Sichuan University 29 Wangjiang Road Chengdu Sichuan 610065 P. R. China
| | - Xiaojun Cai
- College of Materials Science and Engineering Nanjing Tech University, Nanjing 30 Puzhu Road Nanjing Jiangsu 211816 P. R. China
| | - Mengni Fan
- College of Materials Science and Engineering Nanjing Tech University, Nanjing 30 Puzhu Road Nanjing Jiangsu 211816 P. R. China
| | - Jingwu Zhu
- College of Materials Science and Engineering Nanjing Tech University, Nanjing 30 Puzhu Road Nanjing Jiangsu 211816 P. R. China
| | - Jiang Tian
- College of Materials Science and Engineering Nanjing Tech University, Nanjing 30 Puzhu Road Nanjing Jiangsu 211816 P. R. China
| | - Lihuang Wu
- College of Materials Science and Engineering Nanjing Tech University, Nanjing 30 Puzhu Road Nanjing Jiangsu 211816 P. R. China
| | - Qian Jiang
- National Engineering Research Center for Biomaterials Sichuan University 29 Wangjiang Road Chengdu Sichuan 610065 P. R. China
| | - Zhongwei Gu
- National Engineering Research Center for Biomaterials Sichuan University 29 Wangjiang Road Chengdu Sichuan 610065 P. R. China
- College of Materials Science and Engineering Nanjing Tech University, Nanjing 30 Puzhu Road Nanjing Jiangsu 211816 P. R. China
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Amanda Pedroso de Morais F, Sonchini Gonçalves R, Souza Campanholi K, Martins de França B, Augusto Capeloto O, Lazarin-Bidoia D, Bento Balbinot R, Vataru Nakamura C, Carlos Malacarne L, Caetano W, Hioka N. Photophysical characterization of Hypericin-loaded in micellar, liposomal and copolymer-lipid nanostructures based F127 and DPPC liposomes. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 248:119173. [PMID: 33316657 DOI: 10.1016/j.saa.2020.119173] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 10/25/2020] [Accepted: 10/31/2020] [Indexed: 05/22/2023]
Abstract
Hypericin (Hy) compound presents a high photoactivity in photodynamic therapy (PDT), photodiagnosis and theranostics applications. The maintenance of this compound in monomeric form could undermine the potential benefits of its photophysical and photodynamic activity. In this study, we demonstrated that the Hy formulated in a system based on the use of the F127 copolymer and the 1,2-dipalmitoyl-sn-3-glycerol-phosphatidylcholine (DPPC) as micelles, liposomal vesicles and Copolymer-Lipid coated systems, have improved its photophysical properties for many clinical modalities. Based on the results of the triplet state lifetime values (τt), the singlet oxygen quantum yield (ΦΔ1O2), the fluorescence lifetime (τF) and the fluorescence quantum yield (ΦF), all Hy formulations had its photophysical properties described in different models of drug delivery systems (DDS). In addition, the transient spectra profile of those formulations was unaffected by the Hy incorporation process, except for the liposomal system, which demonstrated to be the less stable one by flash photolysis technique. The cytotoxic effects of those formulations were also investigated for CaCo-2 and HaCat cells line. The cytotoxic concentrations for 50% (CC50) were 0.56, 1.05, 1.33 and 4.80 µmol L-1 for Copolymer-Lipid/Hy, DPPC/Hy, F127/Hy and ethanol/Hy for CaCo-2 cells, respectively, and 0.69, 2.02, 1.45 and 1.16 µmol L-1 for Copolymer-Lipid/Hy, DPPC/Hy, F127/Hy and ethanol/Hy for HaCat cells, respectively. The F127 copolymer had a significant role in many photophysical parameters determined for Copolymer-Lipid/Hy coated system. Although all those formulations had shown satisfactory results, Copolymer-Lipid/Hy proved to be superior in many aspects, being the most promising formulation for PDT, photodiagnosis and theranostics applications.
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Affiliation(s)
| | - Renato Sonchini Gonçalves
- Department of Chemistry, State University of Maringá, 5790 Colombo Ave., 87020-900 Maringá, PR, Brazil
| | - Katieli Souza Campanholi
- Department of Chemistry, State University of Maringá, 5790 Colombo Ave., 87020-900 Maringá, PR, Brazil
| | - Bruna Martins de França
- Department of Chemistry, Federal University of Rio de Janeiro, 149 Athos da Silveira Ramos Ave., 21941-909 Rio de Janeiro, RJ, Brazil
| | - Otávio Augusto Capeloto
- Department of Physics, State University of Maringá, 5790 Colombo Ave., 87020-900 Maringá, PR, Brazil
| | - Danielle Lazarin-Bidoia
- Technological Innovation Laboratory in the Pharmaceuticals and Cosmetics Development, State University of Maringá, 5790 Colombo Ave., 87020-900 Maringá, PR, Brazil
| | - Rodolfo Bento Balbinot
- Technological Innovation Laboratory in the Pharmaceuticals and Cosmetics Development, State University of Maringá, 5790 Colombo Ave., 87020-900 Maringá, PR, Brazil
| | - Celso Vataru Nakamura
- Technological Innovation Laboratory in the Pharmaceuticals and Cosmetics Development, State University of Maringá, 5790 Colombo Ave., 87020-900 Maringá, PR, Brazil
| | - Luis Carlos Malacarne
- Department of Physics, State University of Maringá, 5790 Colombo Ave., 87020-900 Maringá, PR, Brazil
| | - Wilker Caetano
- Department of Chemistry, State University of Maringá, 5790 Colombo Ave., 87020-900 Maringá, PR, Brazil
| | - Noboru Hioka
- Department of Chemistry, State University of Maringá, 5790 Colombo Ave., 87020-900 Maringá, PR, Brazil
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Zhou W, Wang Y, Li B, Petijová L, Hu S, Zhang Q, Niu J, Wang D, Wang S, Dong Y, Čellárová E, Wang Z. Whole-genome sequence data of Hypericum perforatum and functional characterization of melatonin biosynthesis by N-acetylserotonin O-methyltransferase. J Pineal Res 2021; 70:e12709. [PMID: 33315239 DOI: 10.1111/jpi.12709] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 12/03/2020] [Accepted: 12/09/2020] [Indexed: 12/31/2022]
Abstract
Hypericum perforatum is among the most commonly used herbal remedies and supplements. The aerial plant parts are often used to treat depression. Due to the lack of genomic information of H. perforatum, the gene networks regulating secondary metabolite synthesis remain unclear. Here, we present a high-quality genome for H. perforatum with a 2.3-Mb scaffold N50. The draft assembly covers 91.9% of the predicted genome and represents the fourth sequenced genus in the order Malpighiales. Comparing this sequence with model or related species revealed that Populus trichocarpa and Hevea brasiliensis could be grouped into one branch, while H. perforatum and Linum usitatissimum are grouped in another branch. Combined with transcriptome data, 40 key genes related to melatonin, hyperforin, and hypericin synthesis were screened and analyzed. Five N-acetylserotonin O-methyltransferases (HpASMT1-HpASMT5) were cloned and functionally characterized. Purified HpASMT3 protein converted N-acetylserotonin into melatonin with a Vmax of about 1.35 pkat/mg protein. HpASMT1 and HpASMT3 overexpression in Arabidopsis mutants caused 1.5-2-fold higher melatonin content than in mutant and wild-type plants. The endogenous reactive oxygen species (ROS) in transgenic plants was significantly lower than ROS in mutant and wild-type plants, suggesting higher drought tolerance. The obtained genomic data offer new resources for further study on the evolution of Hypericaceae family, but also provide a basis for further study of melatonin biosynthetic pathways in other plants.
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Affiliation(s)
- Wen Zhou
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Chinese Crude Drugs in Northwest China, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Ying Wang
- Department of Biology, Carleton University, Ottawa, Canada
| | - Bin Li
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Chinese Crude Drugs in Northwest China, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Linda Petijová
- Department of Genetics, Faculty of Science, Institute of Biology and Ecology, P. J. Šafárik University in Košice, Košice, Slovak Republic
| | - Suying Hu
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Chinese Crude Drugs in Northwest China, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Qian Zhang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Chinese Crude Drugs in Northwest China, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Junfeng Niu
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Chinese Crude Drugs in Northwest China, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Donghao Wang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Chinese Crude Drugs in Northwest China, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Shiqiang Wang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Chinese Crude Drugs in Northwest China, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Yang Dong
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, China
| | - Eva Čellárová
- Department of Genetics, Faculty of Science, Institute of Biology and Ecology, P. J. Šafárik University in Košice, Košice, Slovak Republic
| | - Zhezhi Wang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Chinese Crude Drugs in Northwest China, College of Life Sciences, Shaanxi Normal University, Xi'an, China
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35
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Lin S, Liu C, Han X, Zhong H, Cheng C. Viral Nanoparticle System: An Effective Platform for Photodynamic Therapy. Int J Mol Sci 2021; 22:ijms22041728. [PMID: 33572365 PMCID: PMC7916136 DOI: 10.3390/ijms22041728] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/29/2021] [Accepted: 01/29/2021] [Indexed: 12/12/2022] Open
Abstract
Photodynamic therapy (PDT) is a promising therapy due to its efficiency and accuracy. The photosensitizer is delivered to the target lesion and locally activated. Viral nanoparticles (VNPs) have been explored as delivery vehicles for PDT in recent years because of their favorable properties, including simple manufacture and good safety profile. They have great potential as drug delivery carriers in medicine. Here, we review the development of PDT photosensitizers and discuss applications of VNP-mediated photodynamic therapies and the performance of VNPs in the treatment of tumor cells and antimicrobial therapy. Furthermore, future perspectives are discussed for further developing novel viral nanocarriers or improving existing viral vectors.
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Affiliation(s)
| | - Chun Liu
- Correspondence: (C.L.); (X.H.); (C.C.); Tel.: +86-591-8372-5260 (C.C.)
| | - Xiao Han
- Correspondence: (C.L.); (X.H.); (C.C.); Tel.: +86-591-8372-5260 (C.C.)
| | | | - Cui Cheng
- Correspondence: (C.L.); (X.H.); (C.C.); Tel.: +86-591-8372-5260 (C.C.)
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36
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Liu Q, Wackenhut F, Wang L, Hauler O, Roldao JC, Adam PM, Brecht M, Gierschner J, Meixner AJ. Direct Observation of Structural Heterogeneity and Tautomerization of Single Hypericin Molecules. J Phys Chem Lett 2021; 12:1025-1031. [PMID: 33470816 DOI: 10.1021/acs.jpclett.0c03459] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Tautomerization is a fundamental chemical reaction which involves the relocation of a proton in the reactants. Studying the optical properties of tautomeric species is challenging because of ensemble averaging. Many molecules, such as porphines, porphycenes, or phenanthroperylene quinones, exhibit a reorientation of the transition dipole moment (TDM) during tautomerization, which can be directly observed in single-molecule experiments. Here, we study single hypericin molecules, which is a prominent phenanthroperylene quinone showing antiviral, antidepressive, and photodynamical properties. Observing abrupt flipping of the image pattern combined with time-dependent density functional theory calculations allows drawing conclusions about the coexistence of four tautomers and their conversion path. This approach allows the unambiguous assignment of a TDM orientation to a specific tautomer and enables the determination of the chemical structure in situ. Our approach can be applied to other molecules showing TDM reorientation during tautomerization, helping to gain a deeper understanding of this important process.
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Affiliation(s)
- Quan Liu
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
- Laboratoire Lumière, Nanomatériaux & Nanotechnologies - L2n and CNRS ERL 7004, Universitéde Technologie de Troyes, 10000 Troyes, France
| | - Frank Wackenhut
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Liangxuan Wang
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
- Madrid Institute for Advanced Studies, IMDEA Nanoscience, Ciudad Universitaria de Cantoblanco, C/Faraday 9, 28049 Madrid, Spain
| | - Otto Hauler
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
- Reutlingen Research Institute, Process Analysis and Technology (PA&T), Reutlingen University, Alteburgstraße 150, 72762 Reutlingen, Germany
| | - Juan Carlos Roldao
- Madrid Institute for Advanced Studies, IMDEA Nanoscience, Ciudad Universitaria de Cantoblanco, C/Faraday 9, 28049 Madrid, Spain
| | - Pierre-Michel Adam
- Laboratoire Lumière, Nanomatériaux & Nanotechnologies - L2n and CNRS ERL 7004, Universitéde Technologie de Troyes, 10000 Troyes, France
| | - Marc Brecht
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
- Reutlingen Research Institute, Process Analysis and Technology (PA&T), Reutlingen University, Alteburgstraße 150, 72762 Reutlingen, Germany
| | - Johannes Gierschner
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
- Madrid Institute for Advanced Studies, IMDEA Nanoscience, Ciudad Universitaria de Cantoblanco, C/Faraday 9, 28049 Madrid, Spain
| | - Alfred J Meixner
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
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Liu J, Liu A, Hu Y. Enzymatic dimerization in the biosynthetic pathway of microbial natural products. Nat Prod Rep 2021; 38:1469-1505. [PMID: 33404031 DOI: 10.1039/d0np00063a] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Covering: up to August 2020The dramatic increase in the identification of dimeric natural products generated by microorganisms and plants has played a significant role in drug discovery. The biosynthetic pathways of these products feature inherent dimerization reactions, which are valuable for biosynthetic applications and chemical transformations. The extraordinary mechanisms of the dimerization of secondary metabolites should advance our understanding of the uncommon chemical rules for natural product biosynthesis, which will, in turn, accelerate the discovery of dimeric reactions and molecules in nature and provide promising strategies for the total synthesis of natural products through dimerization. This review focuses on the enzymes involved in the dimerization in the biosynthetic pathway of microbial natural products, with an emphasis on cytochrome P450s, laccases, and intermolecular [4 + 2] cyclases, along with other atypical enzymes. The identification, characterization, and catalytic landscapes of these enzymes are also introduced.
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Affiliation(s)
- Jiawang Liu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China.
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38
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Dong X, Zeng Y, Zhang Z, Fu J, You L, He Y, Hao Y, Gu Z, Yu Z, Qu C, Yin X, Ni J, Cruz LJ. Hypericin-mediated photodynamic therapy for the treatment of cancer: a review. J Pharm Pharmacol 2020; 73:425-436. [PMID: 33793828 DOI: 10.1093/jpp/rgaa018] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Accepted: 10/05/2020] [Indexed: 12/16/2022]
Abstract
OBJECTIVES Hypericin is a polycyclic aromatic naphthodianthrone that occurs naturally. It is also an active ingredient in some species of the genus Hypericum. Emerging evidence suggests that hypericin has attracted great attention as a potential anticancer drug and exhibits remarkable antiproliferative effect upon irradiation on various tumour cells. This paper aims to summarise the anticancer effect and molecular mechanisms modulated by hypericin-medicated photodynamic therapy and its potential role in the cancer treatment. KEY FINDINGS Hypericin-medicated photodynamic therapy could inhibit the proliferation of various tumour cells including bladder, colon, breast, cervical, glioma, leukaemia, hepatic, melanoma, lymphoma and lung cancers. The effect is primarily mediated by p38 mitogen-activated protein kinase (MAPK), JNK, PI3K, CCAAT-enhancer-binding protein homologous protein (CHOP)/TRIB3/Akt/mTOR, TRAIL/TRAIL-receptor, c-Met and Ephrin-Eph, the mitochondria and extrinsic signalling pathways. Furthermore, hypericin-medicated photodynamic therapy in conjunction with chemotherapeutic agents or targeted therapies is more effective in inhibiting the growth of tumour cells. SUMMARY During the past few decades, the anticancer properties of photoactivated hypericin have been extensively investigated. Hypericin-medicated photodynamic therapy can modulate a variety of proteins and genes and exhibit a great potential to be used as a therapeutic agent for various types of cancer.
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Affiliation(s)
- Xiaoxv Dong
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China.,Department of Radiology, Division of Translational Nanobiomaterials and Imaging, Leiden University Medical Center, Leiden, The Netherlands
| | - Yawen Zeng
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Zhiqin Zhang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Jing Fu
- Beijing Institute of Traditional Chinese Medicine, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Longtai You
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Yuanyuan He
- Department of Radiology, Division of Translational Nanobiomaterials and Imaging, Leiden University Medical Center, Leiden, The Netherlands
| | - Yang Hao
- Department of Radiology, Division of Translational Nanobiomaterials and Imaging, Leiden University Medical Center, Leiden, The Netherlands
| | - Zili Gu
- Department of Radiology, Division of Translational Nanobiomaterials and Imaging, Leiden University Medical Center, Leiden, The Netherlands
| | - Zhenfeng Yu
- Department of Radiology, Division of Translational Nanobiomaterials and Imaging, Leiden University Medical Center, Leiden, The Netherlands
| | - Changhai Qu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Xingbin Yin
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Jian Ni
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China.,Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Luis J Cruz
- Department of Radiology, Division of Translational Nanobiomaterials and Imaging, Leiden University Medical Center, Leiden, The Netherlands
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Verebová V, Beneš J, Staničová J. Biophysical Characterization and Anticancer Activities of Photosensitive Phytoanthraquinones Represented by Hypericin and Its Model Compounds. Molecules 2020; 25:E5666. [PMID: 33271809 PMCID: PMC7731333 DOI: 10.3390/molecules25235666] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/27/2020] [Accepted: 11/28/2020] [Indexed: 12/17/2022] Open
Abstract
Photosensitive compounds found in herbs have been reported in recent years as having a variety of interesting medicinal and biological activities. In this review, we focus on photosensitizers such as hypericin and its model compounds emodin, quinizarin, and danthron, which have antiviral, antifungal, antineoplastic, and antitumor effects. They can be utilized as potential agents in photodynamic therapy, especially in photodynamic therapy (PDT) for cancer. We aimed to give a comprehensive summary of the physical and chemical properties of these interesting molecules, emphasizing their mechanism of action in relation to their different interactions with biomacromolecules, specifically with DNA.
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Affiliation(s)
- Valéria Verebová
- Department of Chemistry, Biochemistry and Biophysics, University of Veterinary Medicine & Pharmacy, Komenského 73, 041 81 Košice, Slovakia;
| | - Jiří Beneš
- Institute of Biophysics and Informatics, First Faculty of Medicine, Charles University, Kateřinská 1, 121 08 Prague, Czech Republic;
| | - Jana Staničová
- Department of Chemistry, Biochemistry and Biophysics, University of Veterinary Medicine & Pharmacy, Komenského 73, 041 81 Košice, Slovakia;
- Institute of Biophysics and Informatics, First Faculty of Medicine, Charles University, Kateřinská 1, 121 08 Prague, Czech Republic;
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Puttaswamy H, Gowtham HG, Ojha MD, Yadav A, Choudhir G, Raguraman V, Kongkham B, Selvaraju K, Shareef S, Gehlot P, Ahamed F, Chauhan L. In silico studies evidenced the role of structurally diverse plant secondary metabolites in reducing SARS-CoV-2 pathogenesis. Sci Rep 2020; 10:20584. [PMID: 33239694 PMCID: PMC7689506 DOI: 10.1038/s41598-020-77602-0] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 11/04/2020] [Indexed: 12/23/2022] Open
Abstract
Plants are endowed with a large pool of structurally diverse small molecules known as secondary metabolites. The present study aims to virtually screen these plant secondary metabolites (PSM) for their possible anti-SARS-CoV-2 properties targeting four proteins/ enzymes which govern viral pathogenesis. Results of molecular docking with 4,704 ligands against four target proteins, and data analysis revealed a unique pattern of structurally similar PSM interacting with the target proteins. Among the top-ranked PSM which recorded lower binding energy (BE), > 50% were triterpenoids which interacted strongly with viral spike protein-receptor binding domain, > 32% molecules which showed better interaction with the active site of human transmembrane serine protease were belongs to flavonoids and their glycosides, > 16% of flavonol glycosides and > 16% anthocyanidins recorded lower BE against active site of viral main protease and > 13% flavonol glycoside strongly interacted with active site of viral RNA-dependent RNA polymerase. The primary concern about these PSM is their bioavailability. However, several PSM recorded higher bioavailability score and found fulfilling most of the drug-likeness characters as per Lipinski's rule (Coagulin K, Kamalachalcone C, Ginkgetin, Isoginkgetin, 3,3'-Biplumbagin, Chrysophanein, Aromoline, etc.). Natural occurrence, bio-transformation, bioavailability of selected PSM and their interaction with the target site of selected proteins were discussed in detail. Present study provides a platform for researchers to explore the possible use of selected PSM to prevent/ cure the COVID-19 by subjecting them for thorough in vitro and in vivo evaluation for the capabilities to interfering with the process of viral host cell recognition, entry and replication.
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Affiliation(s)
- Hariprasad Puttaswamy
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, Delhi, 110016, India.
| | | | - Monu Dinesh Ojha
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, Delhi, 110016, India
| | - Ajay Yadav
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, Delhi, 110016, India
| | - Gourav Choudhir
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, Delhi, 110016, India
| | - Vasantharaja Raguraman
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, Delhi, 110016, India
| | - Bhani Kongkham
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, Delhi, 110016, India
| | - Koushalya Selvaraju
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, Delhi, 110016, India
| | - Shazia Shareef
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, Delhi, 110016, India
| | - Priyanka Gehlot
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, Delhi, 110016, India
| | - Faiz Ahamed
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, Delhi, 110016, India
| | - Leena Chauhan
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, Delhi, 110016, India
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You M, Lee YH, Kim HJ, Kook JH, Kim HA. St. John's Wort Suppresses Growth in Triple-Negative Breast Cancer Cell Line MDA-MB-231 by Inducing Prodeath Autophagy and Apoptosis. Nutrients 2020; 12:nu12103175. [PMID: 33080824 PMCID: PMC7602992 DOI: 10.3390/nu12103175] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 10/11/2020] [Accepted: 10/15/2020] [Indexed: 12/13/2022] Open
Abstract
The rational regulation of programmed cell death by means of autophagy and apoptosis has been considered a potential treatment strategy for cancer. We demonstrated the inhibitory effect of St. John’s Wort (SJW) on growth in the triple-negative breast cancer (TNBC) cell line and xenografted mice and its target mechanism concerning autophagic and apoptotic cell death. SJW ethanol extract (SJWE) inhibited proliferation in a dose-dependent manner. SJWE treatment dramatically increased autophagy flux and apoptosis compared with the control. The autophagy inhibitor, 3-methyladenine (3-MA), reversed the SJWE-induced inhibition of cell proliferation and regulation of autophagy and apoptosis, indicating that SJWE induced apoptosis through prodeath autophagy. Furthermore, SJWE inhibited tumor growth and induced autophagy and apoptosis in the tumor of MDA-MB-231 xenografted athymic nude mice. Our results indicate that SJWE might have great potential as a new anticancer therapy for triple-negative breast cancer by inducing prodeath autophagy and apoptosis.
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Affiliation(s)
- Mikyoung You
- Department of Nutrition, University of Massachusetts Amherst, Amherst, MA 01003, USA;
| | - Young-Hyun Lee
- Department of Food and Nutrition, Mokpo National University, Jeollanam-do 58554, Korea; (Y.-H.L.); (H.-J.K.); (J.H.K.)
| | - Hwa-Jin Kim
- Department of Food and Nutrition, Mokpo National University, Jeollanam-do 58554, Korea; (Y.-H.L.); (H.-J.K.); (J.H.K.)
| | - Ji Hyun Kook
- Department of Food and Nutrition, Mokpo National University, Jeollanam-do 58554, Korea; (Y.-H.L.); (H.-J.K.); (J.H.K.)
| | - Hyeon-A Kim
- Department of Food and Nutrition, Mokpo National University, Jeollanam-do 58554, Korea; (Y.-H.L.); (H.-J.K.); (J.H.K.)
- Correspondence: ; Tel.: +82-61-450-2525; Fax: +82-61-450-2529
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Rizzo P, Altschmied L, Ravindran BM, Rutten T, D’Auria JC. The Biochemical and Genetic Basis for the Biosynthesis of Bioactive Compounds in Hypericum Perforatum L., One of the Largest Medicinal Crops in Europe. Genes (Basel) 2020; 11:E1210. [PMID: 33081197 PMCID: PMC7602838 DOI: 10.3390/genes11101210] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 10/09/2020] [Accepted: 10/13/2020] [Indexed: 01/10/2023] Open
Abstract
Hypericum perforatum L. commonly known as Saint John's Wort (SJW), is an important medicinal plant that has been used for more than 2000 years. Although H. perforatum produces several bioactive compounds, its importance is mainly linked to two molecules highly relevant for the pharmaceutical industry: the prenylated phloroglucinol hyperforin and the naphtodianthrone hypericin. The first functions as a natural antidepressant while the second is regarded as a powerful anticancer drug and as a useful compound for the treatment of Alzheimer's disease. While the antidepressant activity of SJW extracts motivate a multi-billion dollar industry around the world, the scientific interest centers around the biosynthetic pathways of hyperforin and hypericin and their medical applications. Here, we focus on what is known about these processes and evaluate the possibilities of combining state of the art omics, genome editing, and synthetic biology to unlock applications that would be of great value for the pharmaceutical and medical industries.
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Affiliation(s)
| | | | | | | | - John C. D’Auria
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), 06466 Gatersleben, Germany; (P.R.); (L.A.); (B.M.R.); (T.R.)
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de Souza LM, de Sousa FD, Cruz RCR, Tavares DC, Francielli de Oliveira P. Hypericin, a medicinal compound from St. John's Wort, inhibits genotoxicity induced by mutagenic agents in V79 cells. Drug Chem Toxicol 2020; 45:1302-1307. [PMID: 33050761 DOI: 10.1080/01480545.2020.1822389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
This study evaluated the cytotoxic, genotoxic, and the modulatory effects on DNA damage of hypericin in Chinese hamster lung fibroblasts (V79 cells). The hypericin is a natural polycyclic quinone, mainly extracted from St. John's Wort (Hypericum perforatum L.). Along with hyperforin, the hypericins are responsible for the antidepressant activity of St. John's Wort. Cytotoxicity was assessed by the XTT colorimetric assay and the nuclear division index (NDI). The genotoxic activity was studied by the micronucleus test at concentrations of 30, 60, 120, and 240 μg/mL. Mutagenic agents, methyl methanesulfonate (MMS, 44 μg/mL), doxorubicin (DXR, 0.5 μg/mL), and etoposide (VP16, 1 μg/mL) were used in combination with different concentrations of hypericin in order to evaluate the modulatory effect on DNA damage. Results showed that the hypericin was cytotoxic at concentrations above 156.2 μg/mL and genotoxic above 120 μg/mL. The hypericin significantly reduced DNA damage frequency induced by DXR, at concentrations of 30 and 60 μg/mL, and MMS at a concentration of 30 μg/mL, but was unable to reduce damage when combined with VP-16. These results demonstrate the non-photoactivated hypericin toxicological safety limits, its protective effect on DNA damage and provide a basis for future studies that may characterize better its chemopreventive mechanism.
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Guan Y, Niu H, Dang Y, Gao N, Guan J. Photoluminescent oxygen-release microspheres to image the oxygen release process in vivo. Acta Biomater 2020; 115:333-342. [PMID: 32853800 DOI: 10.1016/j.actbio.2020.08.031] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/13/2020] [Accepted: 08/18/2020] [Indexed: 02/08/2023]
Abstract
Cell therapy is a promising strategy to treat ischemic diseases, but the efficacy is limited due to high rate of cell death under low oxygen environment of the ischemic tissues. Sustained release of oxygen to continuously oxygenate the transplanted cells may augment cell survival and improve therapeutic efficacy. We have shown previously that oxygen released from oxygen-release microspheres stimulated cell survival in ischemic tissue [1]. To understand how oxygen is released in vivo and duration of release, it is attractive to image the process of oxygen release. Herein, we have developed photoluminenscent oxygen-release microspheres where the in vivo oxygen release can be non-invasively and real-time monitored by an In Vivo Imaging System (IVIS). In the oxygen-release microspheres, a complex of polyvinylpyrrolidone, H2O2 and a fluorescent drug hypericin (HYP) was used as core, and poly(N-isopropylacrylamide-co-acrylate-oligolactide-co-hydroxyethyl methacrylate-co-N-acryloxysuccinimide) conjugated with catalase was used as shell. To distinguish fluorescent signal change for different oxygen release kinetics, the microspheres with various release profiles were developed by using the shell with different degradation rates. In vitro, the fluorescent intensity gradually decreased during the 21-day oxygen release period, consistent with oxygen release kinetics. The released oxygen significantly augmented mesenchymal stem cell (MSC) survival under hypoxic condition. In vivo, the oxygen release rate was faster. The fluorescent signal can be detected for 17 days for the microspheres with the slowest oxygen release kinetics. The implanted microspheres did not induce substantial inflammation. The above results demonstrate that the developed microspheres have potential to monitor the in vivo oxygen release.
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Damke GMZF, Damke E, de Souza Bonfim-Mendonça P, Ratti BA, de Freitas Meirelles LE, da Silva VRS, Gonçalves RS, César GB, de Oliveira Silva S, Caetano W, Hioka N, Souza RP, Consolaro MEL. Selective photodynamic effects on cervical cancer cells provided by P123 Pluronic®-based nanoparticles modulating hypericin delivery. Life Sci 2020; 255:117858. [PMID: 32497635 DOI: 10.1016/j.lfs.2020.117858] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 05/22/2020] [Accepted: 05/25/2020] [Indexed: 12/24/2022]
Abstract
At present, cervical cancer is the fourth leading cause of cancer among women worldwide with no effective treatment options. In this study we aimed to evaluate the efficacy of hypericin (HYP) encapsulated on Pluronic® P123 (HYP/P123) photodynamic therapy (PDT) in a comprehensive panel of human cervical cancer-derived cell lines, including HeLa (HPV 18-positive), SiHa (HPV 16-positive), CaSki (HPV 16 and 18-positive), and C33A (HPV-negative), compared to a nontumorigenic human epithelial cell line (HaCaT). Were investigated: (i) cell cytotoxicity and phototoxicity, cellular uptake and subcellular distribution; (ii) cell death pathway and cellular oxidative stress; (iii) migration and invasion. Our results showed that HYP/P123 micelles had effective and selective time- and dose-dependent phototoxic effects on cervical cancer cells but not in HaCaT. Moreover, HYP/P123 micelles accumulated in endoplasmic reticulum, mitochondria and lysosomes, resulting in photodynamic cell death mainly by necrosis. HYP/P123 induced cellular oxidative stress mainly via type II mechanism of PDT and inhibited cancer cell migration and invasion mainly via MMP-2 inhibition. Taken together, our results indicate a potentially useful role of HYP/P123 micelles as a platform for HYP delivery to more specifically and effectively treat cervical cancers through PDT, suggesting they are worthy for in vivo preclinical evaluations.
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Affiliation(s)
| | - Edilson Damke
- Department of Clinical Analysis and Biomedicine, Universidade Estadual de Maringá, Av. Colombo, 5790, 87025-210 Maringá, Paraná, Brazil
| | - Patrícia de Souza Bonfim-Mendonça
- Department of Clinical Analysis and Biomedicine, Universidade Estadual de Maringá, Av. Colombo, 5790, 87025-210 Maringá, Paraná, Brazil
| | - Bianca Altrão Ratti
- Department of Basic Health Sciences, Universidade Estadual de Maringá, Av. Colombo, 5790, 87025-210 Maringá, Paraná, Brazil
| | - Lyvia Eloiza de Freitas Meirelles
- Department of Clinical Analysis and Biomedicine, Universidade Estadual de Maringá, Av. Colombo, 5790, 87025-210 Maringá, Paraná, Brazil
| | - Vânia Ramos Sela da Silva
- Department of Clinical Analysis and Biomedicine, Universidade Estadual de Maringá, Av. Colombo, 5790, 87025-210 Maringá, Paraná, Brazil
| | - Renato Sonchini Gonçalves
- Department of Chemistry, Universidade Estadual de Maringá, Av. Colombo, 5790, 87025-210 Maringá, Paraná, Brazil
| | - Gabriel Batista César
- Department of Chemistry, Universidade Estadual de Maringá, Av. Colombo, 5790, 87025-210 Maringá, Paraná, Brazil
| | - Sueli de Oliveira Silva
- Department of Basic Health Sciences, Universidade Estadual de Maringá, Av. Colombo, 5790, 87025-210 Maringá, Paraná, Brazil
| | - Wilker Caetano
- Department of Chemistry, Universidade Estadual de Maringá, Av. Colombo, 5790, 87025-210 Maringá, Paraná, Brazil
| | - Noboru Hioka
- Department of Chemistry, Universidade Estadual de Maringá, Av. Colombo, 5790, 87025-210 Maringá, Paraná, Brazil
| | - Raquel Pantarotto Souza
- Department of Clinical Analysis and Biomedicine, Universidade Estadual de Maringá, Av. Colombo, 5790, 87025-210 Maringá, Paraná, Brazil
| | - Marcia Edilaine Lopes Consolaro
- Department of Clinical Analysis and Biomedicine, Universidade Estadual de Maringá, Av. Colombo, 5790, 87025-210 Maringá, Paraná, Brazil.
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de Morais FAP, Gonçalves RS, Vilsinski BH, Lazarin-Bidóia D, Balbinot RB, Tsubone TM, Brunaldi K, Nakamura CV, Hioka N, Caetano W. Hypericin photodynamic activity in DPPC liposomes - part II: stability and application in melanoma B16-F10 cancer cells. Photochem Photobiol Sci 2020; 19:620-630. [PMID: 32248218 DOI: 10.1039/c9pp00284g] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hypericin (Hyp) is considered a promising photosensitizer for Photodynamic Therapy (PDT), due to its high hydrophobicity, affinity for cell membranes, low toxicity and high photooxidation activity. In this study, Hyp photophysical properties and photodynamic activity against melanoma B16-F10 cells were optimized using DPPC liposomes (1,2-dipalmitoyl-sn-glycero-3-phosphocholine) as a drug delivery system. This nanoparticle is used as a cell membrane biomimetic model and solubilizes hydrophobic drugs. Hyp oxygen singlet lifetime (τ) in DPPC was approximately two-fold larger than that in P-123 micelles (Pluronic™ surfactants), reflecting a more hydrophobic environment provided by the DPPC liposome. On the other hand, singlet oxygen quantum yield values (ΦΔ1O2) in DPPC and P-123 were similar; Hyp molecules were preserved as monomers. The Hyp/DPPC liposome aqueous dispersion was stable during fluorescence emission and the liposome diameter remained stable for at least five days at 30 °C. However, the liposomes collapsed after the lyophilization/rehydration process, which was resolved by adding the lyoprotectant Trehalose to the liposome dispersion before lyophilization. Cell viability of the Hyp/DPPC formulation was assessed against healthy HaCat cells and high-metastatic melanoma B16-F10 cells. Hyp incorporated into the DPPC carrier presented a higher selectivity index than the Hyp sample previously solubilized in ethanol under the illumination effect. Moreover, the IC50 was lower for Hyp in DPPC than for Hyp pre-solubilized in ethanol. These results indicate the potential of the formulation of Hyp/DPPC for future biomedical applications in PDT treatment.
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Affiliation(s)
| | | | | | - Danielle Lazarin-Bidóia
- Universidade Estadual de Maringá, Technological Innovation Laboratory in the Pharmaceuticals and Cosmetics Development, Department of Health Sciences, 87020-900, Maringá, Paraná, Brazil
| | - Rodolfo Bento Balbinot
- Universidade Estadual de Maringá, Technological Innovation Laboratory in the Pharmaceuticals and Cosmetics Development, Department of Health Sciences, 87020-900, Maringá, Paraná, Brazil
| | - Tayana Mazin Tsubone
- Universidade Federal de Uberlandia, Institute of Chemistry, 38400-902, Minas, Gerais, Brazil
| | - Kellen Brunaldi
- Physiological Sciences Department, Universidade Estadual de Maringá, 87020-900, Maringá, Paraná, Brazil
| | - Celso Vatatu Nakamura
- Universidade Estadual de Maringá, Technological Innovation Laboratory in the Pharmaceuticals and Cosmetics Development, Department of Health Sciences, 87020-900, Maringá, Paraná, Brazil
| | - Noboru Hioka
- Chemistry Department, Universidade Estadual de Maringá, 87020-900, Maringá, Paraná, Brazil
| | - Wilker Caetano
- Chemistry Department, Universidade Estadual de Maringá, 87020-900, Maringá, Paraná, Brazil
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Liu Q, Wackenhut F, Hauler O, Scholz M, Zur Oven-Krockhaus S, Ritz R, Adam PM, Brecht M, Meixner AJ. Hypericin: Single Molecule Spectroscopy of an Active Natural Drug. J Phys Chem A 2020; 124:2497-2504. [PMID: 32126168 DOI: 10.1021/acs.jpca.9b11532] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Hypericin is one of the most efficient photosensitizers used in photodynamic tumor therapy (PDT). The reported treatments of this drug reach from antidepressive, antineoplastic, antitumor and antiviral activity. We show that hypericin can be optically detected down to a single molecule at ambient conditions. Hypericin can even be observed inside of a cancer cell, which implies that this drug can be directly used for advanced microscopy techniques (PALM, spt-PALM, or FLIM). Its photostability is large enough to obtain single molecule fluorescence, surface enhanced Raman spectra (SERS), fluorescence lifetime, antibunching, and blinking dynamics. Sudden spectral changes can be associated with a reorientation of the molecule on the particle surface. These properties of hypericin are very sensitive to the local environment. Comparison of DFT calculations with SERS spectra show that both the neutral and deprotonated form of hypericin can be observed on the single molecule and ensemble level.
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Affiliation(s)
- Quan Liu
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany.,Laboratoire Lumière, nanomatériaux & nanotechnologies - L2n and CNRS ERL 7004, Université de Technologie de Troyes, 12 rue Marie Curie, 10000 Troyes, France
| | - Frank Wackenhut
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Otto Hauler
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany.,Reutlingen Research Institute, Process Analysis and Technology (PA&T), Reutlingen University, Alteburgstraße 150, 72762 Reutlingen, Germany
| | - Miriam Scholz
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany.,Reutlingen Research Institute, Process Analysis and Technology (PA&T), Reutlingen University, Alteburgstraße 150, 72762 Reutlingen, Germany
| | - Sven Zur Oven-Krockhaus
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Rainer Ritz
- Department of Neurosurgery, Schwarzwald-Baar Clinic, Klinikstraße 11, 78052 Villingen-Schwenningen, Germany
| | - Pierre-Michel Adam
- Laboratoire Lumière, nanomatériaux & nanotechnologies - L2n and CNRS ERL 7004, Université de Technologie de Troyes, 12 rue Marie Curie, 10000 Troyes, France
| | - Marc Brecht
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany.,Reutlingen Research Institute, Process Analysis and Technology (PA&T), Reutlingen University, Alteburgstraße 150, 72762 Reutlingen, Germany
| | - Alfred J Meixner
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
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Hypericin and its radio iodinated derivatives – A novel combined approach for the treatment of pediatric alveolar rhabdomyosarcoma cells in vitro. Photodiagnosis Photodyn Ther 2020; 29:101588. [DOI: 10.1016/j.pdpdt.2019.101588] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 10/17/2019] [Accepted: 10/24/2019] [Indexed: 02/06/2023]
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Darvekar S, Juzenas P, Oksvold M, Kleinauskas A, Holien T, Christensen E, Stokke T, Sioud M, Peng Q. Selective Killing of Activated T Cells by 5-Aminolevulinic Acid Mediated Photodynamic Effect: Potential Improvement of Extracorporeal Photopheresis. Cancers (Basel) 2020; 12:cancers12020377. [PMID: 32041351 PMCID: PMC7072277 DOI: 10.3390/cancers12020377] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 01/28/2020] [Accepted: 02/04/2020] [Indexed: 01/08/2023] Open
Abstract
Extracorporeal photopheresis (ECP), a modality that exposes isolated leukocytes to the photosensitizer 8-methoxypsoralen (8-MOP) and ultraviolet-A (UV-A) light, is used to treat conditions such as cutaneous T-cell lymphoma and graft-versus-host disease. However, the current procedure of ECP has limited selectivity and efficiency; and produces only partial response in the majority of treated patients. Additionally, the treatment is expensive and time-consuming, so the improvement for this modality is needed. In this study, we used the concept of photodynamic therapy (PDT) with 5-aminolevulinic acid (ALA), a precursor of an endogenously synthesized photosensitizer protoporphyrin IX (PpIX) in combination with blue light to explore the possibility of targeting activated human blood T cells ex vivo. With various T-cell activation protocols, a high ALA-induced PpIX production took place in activated CD3+, CD4+CD25+, and CD8+ T cell populations with their subsequent killing after blue light exposure. By contrast, resting T cells were much less damaged by the treatment. The selective and effective killing effect on the activated cells was also seen after co-cultivating activated and resting T cells. Under our clinically relevant experimental conditions, ALA-PDT killed activated T cells more selectively and efficiently than 8-MOP/UV-A. Monocyte-derived dendritic cells (DCs) were not affected by the treatment. Incubation of ALA-PDT damaged T cells with autologous DCs induced a downregulation of the co-stimulatory molecules CD80/CD86 and also upregulation of interleukin 10 (IL-10) and indoleamine 2,3-dioxygenase expression, two immunosuppressive factors that may account for the generation of tolerogenic DCs. Overall, the data support the potential use of ALA-PDT strategy for improving ECP by selective and effective killing of activated T cells and induction of immune tolerance.
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Affiliation(s)
- Sagar Darvekar
- Department of Pathology, The Norwegian Radium Hospital, Oslo University Hospital, N-0379 Oslo, Norway; (S.D.); (P.J.); (M.O.); (A.K.); (T.H.); (E.C.)
| | - Petras Juzenas
- Department of Pathology, The Norwegian Radium Hospital, Oslo University Hospital, N-0379 Oslo, Norway; (S.D.); (P.J.); (M.O.); (A.K.); (T.H.); (E.C.)
| | - Morten Oksvold
- Department of Pathology, The Norwegian Radium Hospital, Oslo University Hospital, N-0379 Oslo, Norway; (S.D.); (P.J.); (M.O.); (A.K.); (T.H.); (E.C.)
| | - Andrius Kleinauskas
- Department of Pathology, The Norwegian Radium Hospital, Oslo University Hospital, N-0379 Oslo, Norway; (S.D.); (P.J.); (M.O.); (A.K.); (T.H.); (E.C.)
| | - Toril Holien
- Department of Pathology, The Norwegian Radium Hospital, Oslo University Hospital, N-0379 Oslo, Norway; (S.D.); (P.J.); (M.O.); (A.K.); (T.H.); (E.C.)
- Department of Clinical and Molecular Medicine, NTNU-Norwegian University of Science and Technology, N-7491 Trondheim, Norway
- Department of Hematology, St. Olavs University Hospital HF, N-7491 Trondheim, Norway
| | - Eidi Christensen
- Department of Pathology, The Norwegian Radium Hospital, Oslo University Hospital, N-0379 Oslo, Norway; (S.D.); (P.J.); (M.O.); (A.K.); (T.H.); (E.C.)
- Department of Clinical and Molecular Medicine, NTNU-Norwegian University of Science and Technology, N-7491 Trondheim, Norway
- Department of Dermatology, St. Olavs University Hospital HF, N-7491 Trondheim, Norway
| | - Trond Stokke
- Department of Radiation Biology, Institute for Cancer Research, The Norwegian Radium Hospital, Oslo University Hospital, N-0379 Oslo, Norway;
| | - Mouldy Sioud
- Department of Cancer Immunology, Institute for Cancer Research, The Norwegian Radium Hospital, Oslo University Hospital, N-0379 Oslo, Norway
- Correspondence: (M.S.); (Q.P.); Tel.: +47-22781414 (M.S.); +47-22782353 (Q.P.)
| | - Qian Peng
- Department of Pathology, The Norwegian Radium Hospital, Oslo University Hospital, N-0379 Oslo, Norway; (S.D.); (P.J.); (M.O.); (A.K.); (T.H.); (E.C.)
- Department of Optical Science and Engineering, The School of Information Science and Technology, Fudan University, Shanghai 200433, China
- Correspondence: (M.S.); (Q.P.); Tel.: +47-22781414 (M.S.); +47-22782353 (Q.P.)
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Kong F, Zou H, Liu X, He J, Zheng Y, Xiong L, Miao X. miR-7112-3p targets PERK to regulate the endoplasmic reticulum stress pathway and apoptosis induced by photodynamic therapy in colorectal cancer CX-1 cells. Photodiagnosis Photodyn Ther 2020; 29:101663. [PMID: 31945549 DOI: 10.1016/j.pdpdt.2020.101663] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 01/06/2020] [Accepted: 01/10/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND Colorectal cancer (CRC) is the third most common malignant tumor worldwide. Photodynamic therapy (PDT) is an emerging modality for the treatment of solid tumors. Sinoporphyrin sodium (DVDMS) is a new photosensitizer with good therapeutic killing effects on cancer cells. Recent findings have shown that microRNAs play important roles in many biological processes. However, the functions of microRNAs in DVDMS-induced PDT remain largely unclear. MATERIALS AND METHODS Proteins involved in endoplasmic reticulum (ER) stress and apoptosis of CX-1 cells treated with DVDMS-PDT were examined by Western blotting and cell viability assays. 15 candidate miRNAs targeting RNA-dependent protein kinase-like ER kinase (PERK) were screened and verified using the TargetScan, miRWalk and miRDB databases. The downstream pathways of candidate miRNAs with high scores were studied by cell transfection, qRT-PCR, Western blotting and dual-luciferase reporter assays. The subcellular location of DVDMS was confirmed by laser confocal microscopy. RESULTS DVDMS-PDT induced apoptosis via elevated ER stress and activation of the PERK/ATF4/CHOP/caspase cascade pathway in CX-1 cells. The endoplasmic reticulum was involved in the subcellular accumulation of DVDMS in CX-1 cells. Dual-luciferase reporting experiment confirmed that a direct crosslinking between miR-7112-3p and PERK. In addition, miR-7112-3p was highly expressed in CRC tissues compared with peripheral tissues. CONCLUSION Our work showed that miR-7112-3p directly targeted PERK and further regulated PERK/ATF4/CHOP/caspase cascade pathway, resulting in enhanced apoptosis in CX-1 cells treated with DVDMS-PDT.
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Affiliation(s)
- Fanhua Kong
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Heng Zou
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xi Liu
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jun He
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yanwen Zheng
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Li Xiong
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.
| | - Xiongying Miao
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.
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