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Galinari CB, Biachi TDP, Gonçalves RS, Cesar GB, Bergmann EV, Malacarne LC, Kioshima Cotica ÉS, Bonfim-Mendonça PDS, Svidzinski TIE. Photoactivity of hypericin: from natural product to antifungal application. Crit Rev Microbiol 2023; 49:38-56. [PMID: 35171731 DOI: 10.1080/1040841x.2022.2036100] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Considering the multifaceted and increasing application of photodynamic therapy (PDT), in recent years the antimicrobial employment of this therapy has been highlighted, because of the antiviral, antibacterial, antiparasitic, and antifungal activities that have already been demonstrated. In this context, research focussed on antimycological action, especially for treatment of superficial infections, presents promising growth due to the characteristics of these infections that facilitate PDT application as new therapeutic options are needed in the field of medical mycology. Among the more than one hundred classes of photosensitizers the antifungal action of hypericin (Hyp) stands out due to its ability to permeate the lipid membrane and accumulate in different cytoplasmic organelles of eukaryotic cells. In this review, we aim to provide a complete overview of the origin, physicochemical characteristics, and optimal alternative drug deliveries that promote the photodynamic action of Hyp (Hyp-PDT) against fungi. Furthermore, considering the lack of a methodological consensus, we intend to compile the best strategies to guide researchers in the antifungal application of Hyp-PDT. Overall, this review provides a future perspective of new studies and clinical possibilities for the advances of such a technique in the treatment of mycoses in humans.
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Affiliation(s)
- Camila Barros Galinari
- Department of Analysis Clinics & Biomedicine, State University of Maringá, Paraná, Brazil
| | - Tiago de Paula Biachi
- Department of Analysis Clinics & Biomedicine, State University of Maringá, Paraná, Brazil
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2
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Huntošová V, Datta S, Lenkavská L, Máčajová M, Bilčík B, Kundeková B, Čavarga I, Kronek J, Jutková A, Miškovský P, Jancura D. Alkyl Chain Length in Poly(2-oxazoline)-Based Amphiphilic Gradient Copolymers Regulates the Delivery of Hydrophobic Molecules: A Case of the Biodistribution and the Photodynamic Activity of the Photosensitizer Hypericin. Biomacromolecules 2021; 22:4199-4216. [PMID: 34494830 DOI: 10.1021/acs.biomac.1c00768] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Self-assembled nanostructures of amphiphilic gradient copoly(2-oxazoline)s have recently attracted attention as promising delivery systems for the effective delivery of hydrophobic anticancer drugs. In this study, we have investigated the effects of increasing hydrophobic side chain length on the self-assembly of gradient copolymers composed of 2-ethyl-2-oxazoline as the hydrophilic comonomer and various 2-(4-alkyloxyphenyl)-2-oxazolines as hydrophobic comonomers. We show that the size of the formed polymeric nanoparticles depends on the structure of the copolymers. Moreover, the stability and properties of the polymeric assembly can be affected by the loading of hypericin, a promising compound for photodiagnostics and photodynamic therapy (PDT). We have found the limitation that allows rapid or late release of hypericin from polymeric nanoparticles. The nanoparticles entering the cells by endocytosis decreased the hypericin-induced PDT, and the contribution of the passive process (diffusion) increased the probability of a stronger photoeffect. A study of fluorescence pharmacokinetics and biodistribution revealed differences in the release of hypericin from nanoparticles toward the quail chorioallantoic membrane, a preclinical model for in vivo studies, depending on the composition of polymeric nanoparticles. Photodamage induced by PDT in vivo well correlated with the in vitro results. All formulations studied succeeded in targeting hypericin at cancer cells. In conclusion, we demonstrated the promising potential of poly(2-oxazoline)-based gradient copolymers for effective drug delivery and sequential drug release needed for successful photodiagnostics and PDT in cancer therapy.
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Affiliation(s)
- Veronika Huntošová
- Center for Interdisciplinary Biosciences, Technology and Innovation Park, P.J. Safarik University in Kosice, Jesenna 5, 041 54 Kosice, Slovakia
| | - Shubhashis Datta
- Center for Interdisciplinary Biosciences, Technology and Innovation Park, P.J. Safarik University in Kosice, Jesenna 5, 041 54 Kosice, Slovakia
| | - Lenka Lenkavská
- Department of Biophysics, Faculty of Science, P.J. Safarik University in Kosice, Jesenna 5, 041 54 Kosice, Slovakia
| | - Mariana Máčajová
- Institute of Animal Biochemistry and Genetics, Centre of Biosciences, Slovak Academy of Sciences, Dubravska cesta 9, 840 05 Bratislava, Slovakia
| | - Boris Bilčík
- Institute of Animal Biochemistry and Genetics, Centre of Biosciences, Slovak Academy of Sciences, Dubravska cesta 9, 840 05 Bratislava, Slovakia
| | - Barbora Kundeková
- Institute of Animal Biochemistry and Genetics, Centre of Biosciences, Slovak Academy of Sciences, Dubravska cesta 9, 840 05 Bratislava, Slovakia
| | - Ivan Čavarga
- Institute of Animal Biochemistry and Genetics, Centre of Biosciences, Slovak Academy of Sciences, Dubravska cesta 9, 840 05 Bratislava, Slovakia
| | - Juraj Kronek
- Department for Biomaterials Research, Polymer Institute of the Slovak Academy of Sciences, Dubravska cesta 9, 845 41 Bratislava, Slovakia
| | - Annamária Jutková
- Department of Biophysics, Faculty of Science, P.J. Safarik University in Kosice, Jesenna 5, 041 54 Kosice, Slovakia
| | - Pavol Miškovský
- Center for Interdisciplinary Biosciences, Technology and Innovation Park, P.J. Safarik University in Kosice, Jesenna 5, 041 54 Kosice, Slovakia.,SAFTRA Photonics sro., Moldavska cesta 51, 04011 Kosice, Slovakia
| | - Daniel Jancura
- Department of Biophysics, Faculty of Science, P.J. Safarik University in Kosice, Jesenna 5, 041 54 Kosice, Slovakia
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3
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Recent Advances in Photodynamic Imaging and Therapy in Hepatobiliary Malignancies: Clinical and Experimental Aspects. Curr Oncol 2021; 28:4067-4079. [PMID: 34677263 PMCID: PMC8534451 DOI: 10.3390/curroncol28050345] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 09/27/2021] [Accepted: 09/28/2021] [Indexed: 01/10/2023] Open
Abstract
The therapeutic and diagnostic modalities of light are well known, and derivative photodynamic reactions with photosensitizers (PSs), specific wavelengths of light exposure and the existence of tissue oxygen have been developed since the 20th century. Photodynamic therapy (PDT) is an effective local treatment for cancer-specific laser ablation in malignancies of some organs, including the bile duct. Although curability for extrahepatic cholangiocarcinoma is expected with surgery alone, patients with unresectable or remnant biliary cancer need other effective palliative therapies, including PDT. The effectiveness of PDT for cholangiocarcinoma has been reported experimentally or clinically, but it is not the standard option now due to problems with accompanied photosensitivity, limited access routes of irradiation, tumor hypoxia, etc. Novel derivative treatments such as photoimmunotherapy have not been applied in the field hepatobiliary system. Photodynamic diagnosis (PDD) has been more widely applied in the clinical diagnoses of liver malignancies or liver vascularization. At present, 5-aminolevulinic acid (ALA) and indocyanine green (ICG) dyes are mainly used as PSs in PDD, and ICG has been applied for detecting liver malignancies or vascularization. However, no ideal tools for combining both PDD and PDT for solid tumors, including hepatobiliary malignancies, have been clinically developed. To proceed with experimental and clinical trials, it is necessary to clarify the effective photosensitive drugs that are feasible for photochemical diagnosis and local treatment.
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4
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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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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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6
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de Araújo PR, Fonseca-Santos B, Kogawa AC, Salgado HRN, Chorilli M. A Review of Analytical Methods for the Determination of Hypericin in Foods, Herbal, Biological and Pharmaceutical Matrices. Curr Pharm Des 2020; 26:4648-4657. [DOI: 10.2174/1381612826666200531145624] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 04/29/2020] [Indexed: 11/22/2022]
Abstract
Aims:
A review of analytical methods for the determination of hypericin in foods, herbal, biological
and pharmaceutical matrices.
Background:
Hypericin (HYP) is a naturally-occurring pigment obtained from some plants of the genus Hypericum.
Although HYP has been known for many years, it has recently attracted attention due to its varied biological
properties, such as anti-inflammatory and antidepressant activity and it is also an efficient photosensitizer.
Objective:
The objective of this review is to provide insights into the physicochemical properties of HYP, as well
as to report the analytical methods existing in the literature and official compendia for different matrices.
Methods:
The survey data were collected by Google Scholar® and Scopus® using keys terms.
Result:
Analytical methods involving HYP are mainly concerned with the quality control of pharmaceutical
preparations, foods, beverages, biological samples and drug delivery systems using different types of analysis
methods. Some difficulties have also been identified due to the physicochemical properties of HYP. It presents
great solubility in alkaline solutions, organic bases and common polar organic solvents.
Conclusion:
It can be analyzed by thin layer chromatography, spectrophotometry in the ultraviolet region, but the
most commonly used method is by HPLC. HYP presents monographs in the American, British and European
Pharmacopoeias, however, the methods of analysis are not yet harmonized.
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Affiliation(s)
- Patricia Rocha de Araújo
- Sao Paulo State University (UNESP), School of Pharmaceutical Sciences, Department of Drugs and Medicines, Araraquara, SP, Brazil
| | - Bruno Fonseca-Santos
- Sao Paulo State University (UNESP), School of Pharmaceutical Sciences, Department of Drugs and Medicines, Araraquara, SP, Brazil
| | - Ana Carolina Kogawa
- Sao Paulo State University (UNESP), School of Pharmaceutical Sciences, Department of Drugs and Medicines, Araraquara, SP, Brazil
| | - Hérida Regina Nunes Salgado
- Sao Paulo State University (UNESP), School of Pharmaceutical Sciences, Department of Drugs and Medicines, Araraquara, SP, Brazil
| | - Marlus Chorilli
- Sao Paulo State University (UNESP), School of Pharmaceutical Sciences, Department of Drugs and Medicines, Araraquara, SP, Brazil
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Abdelhamid S, Sharaf A, Youssef T, Kassab K, Salaheldin TA, Zedan AF. Spectroscopic and photostability study of water-soluble hypericin encapsulated with polyvinylpyrrolidone. Biophys Chem 2020; 266:106454. [PMID: 32795732 DOI: 10.1016/j.bpc.2020.106454] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 08/02/2020] [Accepted: 08/03/2020] [Indexed: 01/10/2023]
Abstract
Hypericin has gained great attention as a powerful photosensitizing and fluorescent agent for photodynamic therapy (PDT) and fluorescence diagnosis (FD) of cancer. However, native hypericin is hydrophobic and nearly insoluble in aqueous media which hinders its photobiological activity. Herein, we demonstrate the encapsulation of hypericin and polyvinylpyrrolidone (hypericin@PVP) as an attractive class of water-soluble formula of hypericin with improved absorption and emission characteristics in water. The absorption and fluorescence properties of the water-soluble hypericin@PVP were studied at room temperature. Also, the photostability of the prepared hypericin@PVP was studied under visible light irradiation. The absorbance and emission measurements confirm the association and binding of hypericin and PVP with a binding constant (Kb) of 1.2 × 105 M-1. The interaction between hypericin and PVP in water could lead to the dissociation of aggregated hypericin into their monomeric state which is crucial for effective photobiological implementation in PDT and FD. Upon encapsulation with PVP, hypericin showed a significant increase in the fluorescence properties with an enhanced emission intensity of 300% at a PVP concentration of 1 × 10-4 M. Moreover, water-soluble hypericin@PVP demonstrated high photostability under visible light irradiation with an irradiance of 15 mW/cm2 and exposure time up to 150 min. This enhancement in the absorption, emission, and photostability of hypericin in water is related to the effects of encapsulation with PVP and the unique spectroscopic properties of the formulated hypericin@PVP.
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Affiliation(s)
- Shimaa Abdelhamid
- National Institute of Laser Enhanced Science, Cairo University, Giza 12613, Egypt
| | - Ali Sharaf
- National Institute of Laser Enhanced Science, Cairo University, Giza 12613, Egypt; National Food Safety Authority, Cairo, Egypt
| | - Tareq Youssef
- National Institute of Laser Enhanced Science, Cairo University, Giza 12613, Egypt
| | - Kawser Kassab
- National Institute of Laser Enhanced Science, Cairo University, Giza 12613, Egypt
| | - Taher A Salaheldin
- Pharmaceutical Research Institute, Albany College of Pharmacy & Health Sciences, NY, USA
| | - Abdallah F Zedan
- National Institute of Laser Enhanced Science, Cairo University, Giza 12613, Egypt; Egypt Nanotechnology Center (EGNC), Cairo University, El-Sheikh Zayed, 12588, Egypt.
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Zou H, Wang F, Zhou JJ, Liu X, He Q, Wang C, Zheng YW, Wen Y, Xiong L. Application of photodynamic therapy for liver malignancies. J Gastrointest Oncol 2020; 11:431-442. [PMID: 32399283 DOI: 10.21037/jgo.2020.02.10] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Liver malignancies include primary and metastatic tumors. Limited progress has been achieved in improving the survival rate of patients with advanced stage liver cancer and who are unsuitable for surgery. Apart from surgery, chemoradiotherapy, trans-arterial chemoembolization and radiofrequency ablation, a novel therapeutic modality is needed for the clinical treatment of liver cancer. Photodynamic therapy (PDT) is a novel strategy for treating patients with advanced cancers; it uses a light-triggered cytotoxic photosensitizer and a laser light. PDT provides patients with a potential treatment approach with minimal invasion and low toxicity, that is, the whole course of treatment is painless, harmless, and repeatable. Therefore, PDT has been considered an effective palliative treatment for advanced liver cancers. To date, PDT has been used to treat hepatocellular carcinoma, cholangiocarcinoma, hepatoblastoma and liver metastases. Clinical outcomes reveal that PDT can be considered a promising treatment modality for all liver cancers to improve the quality and quantity of life of patients. Despite the advances achieved with this approach, several challenges still impede the application of PDT to liver malignancies. In this review, we focus on the recent advancements and discuss the future prospects of PDT in treating liver malignancies.
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Affiliation(s)
- Heng Zou
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Fusheng Wang
- Department of General Surgery, Fuyang People's Hospital, Fuyang 236000, China
| | - Jiang-Jiao Zhou
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Xi Liu
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Qing He
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Cong Wang
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Yan-Wen Zheng
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Yu Wen
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Li Xiong
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
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Plenagl N, Seitz BS, Duse L, Pinnapireddy SR, Jedelska J, Brüßler J, Bakowsky U. Hypericin inclusion complexes encapsulated in liposomes for antimicrobial photodynamic therapy. Int J Pharm 2019; 570:118666. [PMID: 31494239 DOI: 10.1016/j.ijpharm.2019.118666] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Accepted: 09/04/2019] [Indexed: 10/26/2022]
Abstract
The naturally occurring anthraquinone derivative hypericin is a highly potent photosensitiser. Several in vitro studies show high phototoxicity of the pigment towards gram-positive bacteria. Nevertheless, the highly lipophilic nature and poor bioavailability prevent its application in daily clinical practice thus leading to a limited therapeutic value of hypericin. Liposomal encapsulation could help overcome these limitations and would make hypericin available for daily clinical practice. The use of liposomes as carriers for hypericin in antimicrobial photodynamic therapy (aPDT) is quite new. The aim of this work was to improve the photodynamic efficiency of the previously mentioned carriers by entrapping hypericin in the aqueous compartment of the liposomes. Therefore, a water-soluble inclusion complex of hypericin and (2-hydroxypropyl)-beta-cyclodextrin (Hyp-HPβCD) was prepared. After encapsulation of the inclusion complex into DSPC and DSPC/DPPC/DSPE-PEG liposomes with the dehydration-rehydration vesicle (DRV) method, the formulations were physicochemical characterised. The photodynamic efficiency towards the gram-positive model strain Staphylococcus saprophyticus subsp. bovis. was tested on planktonic cells as well as on biofilms. DSPC liposomes achieved a 4.1log reduction and the DSPC/DPPC/DSPE-PEG liposomes a 2.6log reduction in growth of planktonic bacteria, while Hyp-HPβCD showed total eradication. Even bacterial cells growing in a biofilm could be treated effectively in vitro.
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Affiliation(s)
- Nikola Plenagl
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Robert-Koch-Straße 4, 35037 Marburg, Germany
| | - Benjamin Sebastian Seitz
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Robert-Koch-Straße 4, 35037 Marburg, Germany
| | - Lili Duse
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Robert-Koch-Straße 4, 35037 Marburg, Germany
| | - Shashank Reddy Pinnapireddy
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Robert-Koch-Straße 4, 35037 Marburg, Germany
| | - Jarmila Jedelska
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Robert-Koch-Straße 4, 35037 Marburg, Germany
| | - Jana Brüßler
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Robert-Koch-Straße 4, 35037 Marburg, Germany
| | - Udo Bakowsky
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Robert-Koch-Straße 4, 35037 Marburg, Germany.
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Delcanale P, Rodríguez-Amigo B, Juárez-Jiménez J, Luque FJ, Abbruzzetti S, Agut M, Nonell S, Viappiani C. Tuning the local solvent composition at a drug carrier surface: the effect of dimethyl sulfoxide/water mixture on the photofunctional properties of hypericin-β-lactoglobulin complexes. J Mater Chem B 2017; 5:1633-1641. [PMID: 32263935 DOI: 10.1039/c7tb00081b] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Aggregation is a major problem for the anti-microbial photodynamic applications of hydrophobic photosensitizers since it strongly reduces the amount of singlet oxygen generated in aqueous solutions. Binding of hypericin (Hyp) to the milk whey protein β-lactoglobulin (βLG), occurring at the two hydrophobic cavities located at the interface of the protein homodimer, can be exploited to confer water-solubility and biocompatibility to the photosensitizer. The introduction of a small amount of the organic cosolvent dimethyl sulfoxide (DMSO) leads to a remarkable improvement of the photophysical properties of the complex Hyp-βLG by increasing its fluorescence emission and singlet oxygen photosensitization quantum yields. Surprisingly, the ability of the complex to photo-inactivate bacteria of the strain Staphylococcus aureus is strongly reduced in the presence of DMSO, despite the higher yield of photosensitization. The reasons for this apparently contradictory behavior are investigated, providing new insights into the use of carrier systems for hydrophobic photosensitizers.
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Affiliation(s)
- P Delcanale
- Dipartimento di Scienze Matematiche, Fisiche e Informatiche, Università di Parma, Parco Area delle Scienze 7A, 43124 Parma, Italy.
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11
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Nafee N, Youssef A, El-Gowelli H, Asem H, Kandil S. Antibiotic-free nanotherapeutics: Hypericin nanoparticles thereof for improved in vitro and in vivo antimicrobial photodynamic therapy and wound healing. Int J Pharm 2013; 454:249-58. [DOI: 10.1016/j.ijpharm.2013.06.067] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2013] [Revised: 06/20/2013] [Accepted: 06/27/2013] [Indexed: 10/26/2022]
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