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Aires-Fernandes M, Amantino CF, do Amaral SR, Primo FL. Tissue Engineering and Photodynamic Therapy: A New Frontier of Science for Clinical Application -An Up-To-Date Review. Front Bioeng Biotechnol 2022; 10:837693. [PMID: 35782498 PMCID: PMC9240431 DOI: 10.3389/fbioe.2022.837693] [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: 12/16/2021] [Accepted: 05/18/2022] [Indexed: 11/13/2022] Open
Abstract
Tissue engineering (TE) connects principles of life sciences and engineering to develop biomaterials as alternatives to biological systems and substitutes that can improve and restore tissue function. The principle of TE is the incorporation of cells through a 3D matrix support (scaffold) or using scaffold-free organoid cultures to reproduce the 3D structure. In addition, 3D models developed can be used for different purposes, from studies mimicking healthy tissues and organs as well as to simulate and study different pathologies. Photodynamic therapy (PDT) is a non-invasive therapeutic modality when compared to conventional therapies. Therefore, PDT has great acceptance among patients and proves to be quite efficient due to its selectivity, versatility and therapeutic simplicity. The PDT mechanism consists of the use of three components: a molecule with higher molar extinction coefficient at UV-visible spectra denominated photosensitizer (PS), a monochromatic light source (LASER or LED) and molecular oxygen present in the microenvironment. The association of these components leads to a series of photoreactions and production of ultra-reactive singlet oxygen and reactive oxygen species (ROS). These species in contact with the pathogenic cell, leads to its target death based on necrotic and apoptosis ways. The initial objective of PDT is the production of high concentrations of ROS in order to provoke cellular damage by necrosis or apoptosis. However, recent studies have shown that by decreasing the energy density and consequently reducing the production of ROS, it enabled a specific cell response to photostimulation, tissues and/or organs. Thus, in the present review we highlight the main 3D models involved in TE and PS most used in PDT, as well as the applications, future perspectives and limitations that accompany the techniques aimed at clinical use.
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Yoo SW, Oh G, Ahn JC, Chung E. Non-Oncologic Applications of Nanomedicine-Based Phototherapy. Biomedicines 2021; 9:113. [PMID: 33504015 PMCID: PMC7911939 DOI: 10.3390/biomedicines9020113] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 01/19/2021] [Accepted: 01/22/2021] [Indexed: 02/06/2023] Open
Abstract
Phototherapy is widely applied to various human diseases. Nanomedicine-based phototherapy can be classified into photodynamic therapy (PDT) and photothermal therapy (PTT). Activated photosensitizer kills the target cells by generating radicals or reactive oxygen species in PDT while generating heat in PTT. Both PDT and PTT have been employed for treating various diseases, from preclinical to randomized controlled clinical trials. However, there are still hurdles to overcome before entering clinical practice. This review provides an overview of nanomedicine-based phototherapy, especially in non-oncologic diseases. Multiple clinical trials were undertaken to prove the therapeutic efficacy of PDT in dermatologic, ophthalmologic, cardiovascular, and dental diseases. Preclinical studies showed the feasibility of PDT in neurologic, gastrointestinal, respiratory, and musculoskeletal diseases. A few clinical studies of PTT were tried in atherosclerosis and dry eye syndrome. Although most studies have shown promising results, there have been limitations in specificity, targeting efficiency, and tissue penetration using phototherapy. Recently, nanomaterials have shown promising results to overcome these limitations. With advanced technology, nanomedicine-based phototherapy holds great potential for broader clinical practice.
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Affiliation(s)
- Su Woong Yoo
- Department of Nuclear Medicine, Chonnam National University Hwasun Hospital, Jeollanam-do 58128, Korea;
| | - Gyungseok Oh
- Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Korea;
| | - Jin Chul Ahn
- Medical Laser Research Center and Department of Biomedical Science, Dankook University, Cheonan 31116, Korea;
| | - Euiheon Chung
- Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Korea;
- Department of Physics and Photon Science, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Korea
- AI Graduate School, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Korea
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Photosensitizers Used in the Photodynamic Therapy of Rheumatoid Arthritis. Int J Mol Sci 2019; 20:ijms20133339. [PMID: 31284664 PMCID: PMC6651633 DOI: 10.3390/ijms20133339] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 07/02/2019] [Accepted: 07/04/2019] [Indexed: 12/29/2022] Open
Abstract
Photodynamic Therapy (PDT) has become one of the most promising treatment against autoimmune diseases, such as rheumatoid arthritis (RA), as well as in the treatment of different types of cancer, since it is a non-invasive method and easy to carry out. The three main ingredients of PDT are light irradiation, oxygen, and a photosensitizer (PS). Light irradiation depends on the type of molecule or compound to be used as a PS. The concentration of O2 fluctuates according to the medium where the target tissue is located and over time, although it is known that it is possible to provide oxygenated species to the treated area through the PS itself. Finally, each PS has its own characteristics, the efficacy of which depends on multiple factors, such as solubility, administration technique, retention time, stability, excitation wavelength, biocompatibility, and clearance, among others. Therefore, it is essential to have a thorough knowledge of the disease to select the best PS for a specific target, such as RA. In this review we will present the PSs used in the last three decades to treat RA under PDT protocol, as well as insights on the relevant strategies.
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Dietze A, Berg K. ALA-induced porphyrin formation and fluorescence in synovitis tissue In-vitro and in vivo studies. Photodiagnosis Photodyn Ther 2005; 2:299-307. [PMID: 25048871 DOI: 10.1016/s1572-1000(05)00107-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2005] [Revised: 10/11/2005] [Accepted: 10/12/2005] [Indexed: 11/26/2022]
Abstract
The synovial inflammatory process in rheumatoid arthritis (RA) is accompanied by massive tumor-like proliferation and activation of the connective stroma. These abnormal cells actively invade and destroy the peri-articular bone and cartilage at the margins of joints where synovium and bone are attached. There is still a lack of minimally invasive synovectomy methods, which might be suitable for the smaller joints. Unfortunately, these joints are usually involved in the disease. Photodynamic therapy has been evaluated as a possible treatment modality for RA synovitis. The present study describes the differences of 5-aminolevulinic acid (5-ALA) and 5-ALA ester-induced protoporphyrin IX (PpIX) production in cell cultures obtained from patients with RA, osteoarthritis (OA) and human sarcoma cell line (HS 192.T) and in a collagen-induced arthritis model in rats. The incubation of cells with hexyl aminolevulinate (HAL) induced the same amount of fluorescence as 5-ALA and methyl aminolevulinate (MAL) at about a 100-fold lower concentration. Incubation with HAL-induced accumulation of at least twice as much porphyrins in RA- and HS 192.T-cells than 5-ALA and MAL in OA-cells. Similar levels of porphyrins were accumulated in RA and the malignant cells. In vivo, intra-articular application of 5-ALA induced a significant porphyrin accumulation in synovitis tissue as measured by in situ fluorescence spectroscopy. In contrast to our in vitro results and other reports, we could not detect enhanced fluorescence after application of up to 0.1mg HAL.
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Affiliation(s)
- Andreas Dietze
- Department of Orthopedic Surgery, National Hospital, Oslo, Norway; Department of Radiation Biology, The Norwegian Radium Hospital, Montebello, N-0310 Oslo, Norway
| | - Kristian Berg
- Department of Radiation Biology, The Norwegian Radium Hospital, Montebello, N-0310 Oslo, Norway
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Dietze A, Engesaeter B, Berg K. Transgene delivery and gelonin cytotoxicity enhanced by photochemical internalization in fibroblast-like synoviocytes (FLS) from rheumatoid arthritis patients. Photochem Photobiol Sci 2005; 4:341-7. [PMID: 15803204 DOI: 10.1039/b416521g] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The objective of this study was to determine if photochemical internalization (PCI) of gelonin can improve the treatment outcome as compared to photodynamic therapy (PDT) and gene transduction of fibroblast-like synoviocytes (FLS)in vitro. For this purpose synovial tissue was obtained under synovectomy of rheumatoid arthritis (RA) patients. Primary single cell suspensions were treated with the photosensitizer meso-tetraphenylporphine (TPPS2a) and light exposure (PDT) followed by evaluation of the cell survival by flow cytometry. PCI of gelonin was performed on FLS in passages 4 and 5 after removal from patients followed by measurements of protein synthesis 24 h after treatment. Additionally FLS were transduced with an adenovirus encoding the E.coli. lacZ gene and treated with PCI to evaluate the effect on the transduction rate. As a result all the cells in the primary cell suspension were susceptible to PDT but CD 106- (FLS) and CD14-positive (monocytes) cells were more sensitive to inactivation by PDT than CD2- (T-cells) and CD19-positive (B-cells) cells. With respect to protein synthesis FLS became up to 4-fold more sensitive to light when combining the photochemical treatment with the gelonin incubation. The fraction of virally transduced FLS was approximately doubled by means of PCI. In conclusion our experiments showed that PCI increased the cytotoxic effect of gelonin and adenoviral transduction of FLS derived from RA patients.
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Affiliation(s)
- Andreas Dietze
- Department of Rheumatoid Arthritis Surgery, Betanien Hospital, N-3722, Skien, Norway.
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Gold MH, Goldman MP. 5-aminolevulinic acid photodynamic therapy: where we have been and where we are going. Dermatol Surg 2004; 30:1077-83; discussion 1083-4. [PMID: 15274696 DOI: 10.1111/j.1524-4725.2004.30331.x] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Photodynamic therapy, utilizing the topical administration of 20% 5-aminolevulinic acid, has generated a great deal of interest in the dermatology community over the past several years. OBJECTIVE The purpose of this article is to review the history of photodynamic therapy in dermatology and to review recent new advances with this technology that will increase its appeal to all dermatologists. METHODS A literature review and results of new clinical trials with regards to photorejuvenation and acne vulgaris treatments with 5-aminolevulinic acid photodynamic therapy are presented. RESULTS Short-contact, full-face 5-aminolevulinic acid photodynamic therapy treatments with a variety of lasers and light sources have shown to be successful in treating all facets of photorejuvenation and the associated actinic keratoses as well as disorders of sebaceous glands, including acne vulgaris. The treatments are relatively pain-free, efficacious, and safe. They are also making already available laser/light source therapies work better for acne vulgaris and photorejuvenation. CONCLUSIONS The use of 5-aminolevulinic acid photodynamic therapy with short-contact, full-face broad-application therapy is now able to bridge the world of medical and cosmetic dermatologic surgery. This therapy is available for all dermatologists to utilize in the care of their patients.
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Ghosh P, Smith M. Synovial ablation in a rabbit rheumatoid arthritis model using photodynamic therapy. ANZ J Surg 2002; 72:461. [PMID: 12123498 DOI: 10.1046/j.1445-2197.2002.02463.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Beischer AD, Bhathal P, de Steiger R, Penn D, Stylli S. Synovial ablation in a rabbit rheumatoid arthritis model using photodynamic therapy. ANZ J Surg 2002; 72:517-22. [PMID: 12123517 DOI: 10.1046/j.1445-2197.2002.02451.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND At present there is no ideal minimally invasive method for ablating inflamed synovium in joints that has been unresponsive to optimal medical management in patients with rheumatoid arthritis. The aim of this study was to determine whether photo-dynamic therapy could be used for this purpose. METHODS In a rabbit knee model of rheumatoid arthritis the pharmacokinetics of the photosensitizer Haematoporphyrin Derivative (HpD) into periarticular tissues and blood was measured following intravenous injection of HpD. The second phase of the study was to determine the histological effect of HpD activation by 63 nm light delivered via an intra-articular optic fibre using a dye pumped KTP-YAG laser. The light dose was varied from 0-200 joule/cm2. RESULTS Pharmacokinetic studies determined that inflamed synovium rapidly accumulated HpD, with peak levels being reached 12 h following intravenous injection. The ratio of HpD uptake into inflamed synovium versus peri-articular quadriceps muscle was found to be 22.8. Histological examination of the treated knees indicated that selective destruction of inflamed synovium was achieved at light doses 100 joules/cm2 and above. No significant effect was observed on normal intra-articular tissues. CONCLUSION We have demonstrated that the first generation photosensitizer HpD selectively accumulates within inflamed -synovium. Activation of HpD by intra-articular light administration resulted in selective ablation of the inflamed synovium. These findings indicate that PDT offers potential as a new selective, minimally invasive synovectomy technique.
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Affiliation(s)
- Andrew D Beischer
- University of Melbourne Department of Surgery, Royal Melbourne Hospital, Melbourne, Victoria, Australia.
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Trauner K, Gandour-Edwards R, Bamberg M, Nishioka NS, Flotte T, Autry S, Hasan T. Influence of light delivery on photodynamic synovectomy in an antigen-induced arthritis model for rheumatoid arthritis. Lasers Surg Med Suppl 2000; 22:147-56. [PMID: 9510098 DOI: 10.1002/(sici)1096-9101(1998)22:3<147::aid-lsm1>3.0.co;2-p] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND OBJECTIVE Minimally invasive synovectomy techniques have been unsuccessful due to lack of selectivity. The purpose of this study was to evaluate the potential of photodynamic therapy to destroy diseased synovium in an antigen-induced arthritis model. STUDY DESIGN/MATERIALS AND METHODS Three sets of experiments evaluated the biodistribution and treatment effects of Photofrin (PF) in rabbits with bilateral knee antigen-induced arthritis. The first set of experiments evaluated the biodistribution of PF in articular tissues of 30 rabbits from 6-72 hours after systemic injection of 2 mg/kg. In the second series of experiments, light was delivered to the knee joint via cleaved optical fibers, whereas for the third, light was delivered via a 600 microm diffusion tip fiber. Tissues were harvested at 2 and 4 weeks posttreatment. RESULTS The biodistribution experiments demonstrated maximal uptake in inflamed synovium at 48 hours and a lack of uptake in normal tissues. With bare cleaved fibers, necrosis was observed in one specimen at 2 weeks and was absent in all specimens at 4 weeks. In the third experiment, synovial necrosis was observed in 3 of 7 specimens at 2 weeks and 3 of 8 at 4 weeks. No damage to articular cartilage or periarticular tissues was seen with either mode of light delivery. CONCLUSION These studies indicate that selective destruction of synovium can be achieved with PF and suggest that optimization of light delivery techniques will play an important role in development of this new technique.
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Affiliation(s)
- K Trauner
- Department of Orthopaedic Surgery, UC Davis Medical Center, Sacramento, California 95819, USA
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Abstract
UNLABELLED The combination of light and chemicals to treat skin diseases is widely practiced in dermatology. Within this broad use of light and drugs, in recent years the concept of photodynamic therapy (PDT) has emerged. PDT is a promising modality for the management of various tumors and nonmalignant diseases, based on the combination of a photosensitizer that is selectively localized in the target tissue and illumination of the lesion with visible light, resulting in photodamage and subsequent cell death. Moreover, the fluorescence of photosensitizing compounds is also utilized as a helpful diagnostic tool for the detection of neoplastic tissue. Intensive basic and clinical research culminated in the worldwide approval of PDT for bladder, esophageal, and lung cancer. The expanding use of this relatively new therapeutic modality in dermatology at many centers around the world has revealed its efficacy for the treatment of cutaneous precancer and cancer, as well as selected benign skin disorders. The following article summarizes the main principles of PDT considering the most recent developments and provides a comprehensive synopsis of the present status of the use of PDT in dermatology. (J Am Acad Dermatol 2000;42:389-413.) LEARNING OBJECTIVE At the conclusion of this learning activity, participants should be able to describe the basic concepts of PDT, including fundamental knowledge of the most relevant photosensitizers, the light sources, the mechanisms involved in PDT-mediated cell destruction, as well as the indications and limitations of photodynamic treatment of skin diseases.
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Affiliation(s)
- K Kalka
- Department of Dermatology, Case Western Reserve University, Cleveland, Ohio, USA
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Moshfeghi DM, Peyman GA, Moshfeghi AA, Khoobehi B, Primbs GB, Crean DH. Ocular Vascular Thrombosis Following Tin Ethyl Etiopurpurin (SnET2) Photodynamic Therapy: Time Dependencies. Ophthalmic Surg Lasers Imaging Retina 1998. [DOI: 10.3928/1542-8877-19980801-10] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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