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Lupu VV, Lupu A, Jechel E, Starcea IM, Stoleriu G, Ioniuc I, Azoicai A, Danielescu C, Knieling A, Borka-Balas R, Salaru DL, Revenco N, Fotea S. The role of vitamin D in pediatric systemic lupus erythematosus - a double pawn in the immune and microbial balance. Front Immunol 2024; 15:1373904. [PMID: 38715605 PMCID: PMC11074404 DOI: 10.3389/fimmu.2024.1373904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Accepted: 04/08/2024] [Indexed: 05/23/2024] Open
Abstract
Having increased popularity during the Covid-19 pandemic, vitamin D3 is currently impressing thanks to the numerous researches aimed at its interactions with the body's homeostasis. At the same time, there is a peak in terms of recommendations for supplementation with it. Some of the studies focus on the link between autoimmune diseases and nutritional deficiencies, especially vitamin D3. Since the specialized literature aimed at children (patients between 0-18 years old) is far from equal to the informational diversity of the adult-centered branch, this review aims to bring up to date the relationship between the microbial and nutritional balance and the activity of pediatric systemic lupus erythematosus (pSLE). The desired practical purpose resides in a better understanding and an adequate, individualized management of the affected persons to reduce morbidity. The center of the summary is to establish the impact of hypovitaminosis D in the development and evolution of pediatric lupus erythematosus. We will address aspects related to the two entities of the impact played by vitamin D3 in the pathophysiological cascade of lupus, but also the risk of toxicity and its effects when the deficiency is over supplemented (hypervitaminosis D). We will debate the relationship of hypovitaminosis D with the modulation of immune function, the potentiation of inflammatory processes, the increase of oxidative stress, the perfusion of cognitive brain areas, the seasonal incidence of SLE and its severity. Finally, we review current knowledge, post-pandemic, regarding the hypovitaminosis D - pSLE relationship.
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Affiliation(s)
- Vasile Valeriu Lupu
- Pediatrics, “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Romania
| | - Ancuta Lupu
- Pediatrics, “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Romania
| | - Elena Jechel
- Pediatrics, “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Romania
| | | | - Gabriela Stoleriu
- Clinical Medical Department, Faculty of Medicine and Pharmacy, “Dunarea de Jos” University of Galati, Galati, Romania
| | - Ileana Ioniuc
- Pediatrics, “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Romania
| | - Alice Azoicai
- Pediatrics, “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Romania
| | - Ciprian Danielescu
- Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Romania
| | - Anton Knieling
- Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Romania
| | - Reka Borka-Balas
- Pediatrics, “George Emil Palade” University of Medicine, Pharmacy, Science and Technology, Targu Mures, Romania
| | - Delia Lidia Salaru
- Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Romania
| | - Ninel Revenco
- Pediatrics, “Nicolae Testemitanu” State University of Medicine and Pharmacy, Chisinau, Moldova
| | - Silvia Fotea
- Clinical Medical Department, Faculty of Medicine and Pharmacy, “Dunarea de Jos” University of Galati, Galati, Romania
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Fujita K, Kuwabara T, Wang B, Tanaka K, Ito K, Akishima-Fukasawa Y, Mikami T, Akasaka Y, Ishii T. Irradiation Attenuates Systemic Lupus Erythematosus-Like Morbidity in NZBWF1 Mice: Focusing on CD180-Negative Cells. J Immunol Res 2023; 2023:9969079. [PMID: 37886369 PMCID: PMC10599955 DOI: 10.1155/2023/9969079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 09/06/2023] [Accepted: 09/07/2023] [Indexed: 10/28/2023] Open
Abstract
Systemic lupus erythematosus (SLE) is a chronic autoimmune disease characterized by the production of autoantibodies that can induce systemic inflammation. Ultraviolet-A and X-ray irradiation have been reported to have therapeutic effects in patients with SLE. We previously demonstrated that CD180-negative cells, these are radiosensitive, contribute to the development of SLE-like morbidity in NZBWF1 mice. In this study, the effects of irradiation on SLE-like morbidity manifestations in NZBWF1 mice and on CD180-negative cells were investigated. Whole-body irradiation, excluding the head, attenuated SLE-like morbidity in vivo, as indicated by the prevention of the renal lesion development, inhibition of anti-dsDNA antibody production, reduction of urinary protein levels, and prolongation of the lifespan. Irradiation also reduced the proportion of CD180-negative cells in the spleen. Although other immune cells or molecules may be triggered because of the whole-body irradiation treatment, previous research, and the current results suggest a strong relationship between the radiation-induced decrease in CD180-negative cells and the amelioration of SLE-like morbidities. Clinical trials assessing CD180-negative cells as a therapeutic target for SLE have been hampered by the lack of validated cell markers; nonetheless, the present findings suggest that radiotherapy may be a new therapeutic strategy for managing SLE symptoms.
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Affiliation(s)
- Kazuko Fujita
- Department of Pathology, School of Medicine, Toho University, Ota-Ku, Tokyo 143-8540, Japan
| | - Taku Kuwabara
- Department of Molecular Immunology, School of Medicine, Toho University, Ota-Ku, Tokyo 143-8540, Japan
| | - Bing Wang
- Institute for Radiological Science, National Institutes for Quantum Science and Technology, Chiba-City, Chiba 263-8555, Japan
| | - Kaoru Tanaka
- Institute for Radiological Science, National Institutes for Quantum Science and Technology, Chiba-City, Chiba 263-8555, Japan
| | - Kei Ito
- Department of Pathology, School of Medicine, Toho University, Ota-Ku, Tokyo 143-8540, Japan
- Department of Medical Technology, Faculty of Health Sciences, Tsukuba International University, Ibaragi, Tsuchiura-City 305-8577, Japan
| | - Yuri Akishima-Fukasawa
- Department of Pathology, School of Medicine, Toho University, Ota-Ku, Tokyo 143-8540, Japan
| | - Tetuo Mikami
- Department of Pathology, School of Medicine, Toho University, Ota-Ku, Tokyo 143-8540, Japan
| | - Yoshikiyo Akasaka
- Department of Pathology, School of Medicine, Toho University, Ota-Ku, Tokyo 143-8540, Japan
| | - Toshiharu Ishii
- Department of Pathology, Saiseikai Yokohamashi Tobu Hospital, Kanagawa, Yokohama-City 230-8765, Japan
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Peters AF, Kusche Y, Gerdkamp H, Nattkemper E, Vischedyk K, Münck NA, Weishaupt C, Roth J, Barczyk-Kahlert K, Sunderkötter C, Ehrchen JM. UVA1 radiation attenuates pro-inflammatory functions in human monocytes. J Dermatol 2023; 50:46-56. [PMID: 36184911 DOI: 10.1111/1346-8138.16600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 08/22/2022] [Accepted: 09/20/2022] [Indexed: 11/07/2022]
Abstract
UVA1 therapy is effective in the treatment of inflammatory and autoimmune skin diseases. The mode of action of UVA1 therapy is not completely understood and especially data on cells of the innate immune system like monocytes, which are critically involved in many inflammatory processes, are sparse. We wanted to answer the question whether UVA1 irradiation alters functional properties of human monocytes. We treated human peripheral blood monocytes in vitro with 2 J/cm2 UVA1 light, incubated the cells for 48 h and examined both functional properties and alterations in the gene and protein expression profile. While UVA1 did not alter cell viability or susceptibility to apoptosis inducing agents, it decreased the capacity of monocytes for phagocytosis and to eliminate infectious agents like Leishmania major. Moreover, we measured a significantly reduced production of interleukin (IL)-1β mRNA in lipopolysaccharide activated monocytes after UVA1 treatment. Importantly, UVA1-treated monocytes not only produce less IL-1β, but also upregulate expression of the anti-inflammatory IL-1β decoy receptor. Our data provide evidence that UVA1 radiation not only interferes with fundamental monocyte properties like phagocytosis, pathogen killing and activation, but could also specifically attenuate pro-inflammatory IL-1 effects. This might constitute a hitherto unknown anti-inflammatory mechanism of UVA1 in human monocytes.
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Affiliation(s)
- Anna Franziska Peters
- Department of Dermatology, University of Münster, Münster, Germany.,Institute of Immunology, University of Münster, Münster, Germany
| | - Yvonne Kusche
- Department of Dermatology, University of Münster, Münster, Germany.,Institute of Immunology, University of Münster, Münster, Germany
| | - Henrike Gerdkamp
- Institute of Immunology, University of Münster, Münster, Germany
| | - Eva Nattkemper
- Department of Dermatology, University of Münster, Münster, Germany
| | - Kerstin Vischedyk
- Department of Dermatology, University of Münster, Münster, Germany.,Institute of Immunology, University of Münster, Münster, Germany
| | - Niels-Arne Münck
- Department of Dermatology, University of Münster, Münster, Germany.,Institute of Immunology, University of Münster, Münster, Germany
| | | | - Johannes Roth
- Institute of Immunology, University of Münster, Münster, Germany
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Pitney T, Pitney MJ. A retrospective review of UVA1 treatment: An Australian experience from a single centre. Australas J Dermatol 2020; 61:318-323. [PMID: 32390138 DOI: 10.1111/ajd.13321] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 04/07/2020] [Accepted: 04/10/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND The therapeutic value of ultraviolet A1 (UVA1) phototherapy has been acknowledged for many years. Initially developed predominately for experimental and diagnostic purposes, it was subsequently recognised as a beneficial therapeutic modality in atopic dermatitis and localised scleroderma, and more recently a variety of sclerosing and fibrosing dermatoses, T-lymphocyte mediated disorders, both inflammatory and infiltrative, and several predominately dermal processes previously unresponsive to current therapies. METHODS We present a retrospective evaluation of outcomes and treatment tolerability in adult patients using a low dose (30 joules/cm2 ), regimen administered in our private dermatologic practice, between 2006 and December 2019. RESULTS Major clinical groups represented include atopic dermatitis, localised and systemic sclerodermas, mycosis fungoides, urticarial dermatitis, generalised pruritus and granuloma annulare. Eighty-seven patients are included in this study with 92% of all patients experiencing a beneficial result, 54% having complete and 38% partial relief of presenting signs and/or symptoms. UVA1 therapy was well tolerated, with no patients ceasing treatment due to adverse effects. CONCLUSIONS Ultraviolet A1 is an effective and safe treatment option in many hitherto recalcitrant cutaneous conditions.
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Affiliation(s)
- Thomas Pitney
- Pitney Dermatology, Toowong, Brisbane, Queensland, Australia
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Wolf SJ, Estadt SN, Gudjonsson JE, Kahlenberg JM. Human and Murine Evidence for Mechanisms Driving Autoimmune Photosensitivity. Front Immunol 2018; 9:2430. [PMID: 30405625 PMCID: PMC6205973 DOI: 10.3389/fimmu.2018.02430] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Accepted: 10/02/2018] [Indexed: 01/29/2023] Open
Abstract
Ultraviolet (UV) light is an important environmental trigger for systemic lupus erythematosus (SLE) patients, yet the mechanisms by which UV light impacts disease are not fully known. This review covers evidence in both human and murine systems for the impacts of UV light on DNA damage, apoptosis, autoantigen exposure, cytokine production, inflammatory cell recruitment, and systemic flare induction. In addition, the role of the circadian clock is discussed. Evidence is compared in healthy individuals and SLE patients as well as in wild-type and lupus-prone mice. Further research is needed into the effects of UV light on cutaneous and systemic immune responses to understand how to prevent UV-light mediated lupus flares.
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Affiliation(s)
- Sonya J. Wolf
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, United States
- Immunology Program, University of Michigan, Ann Arbor, MI, United States
| | - Shannon N. Estadt
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, United States
- Immunology Program, University of Michigan, Ann Arbor, MI, United States
| | | | - J. Michelle Kahlenberg
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, United States
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Environmental triggers in systemic lupus erythematosus. Semin Arthritis Rheum 2017; 47:710-717. [PMID: 29169635 DOI: 10.1016/j.semarthrit.2017.10.001] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Revised: 09/20/2017] [Accepted: 10/02/2017] [Indexed: 12/25/2022]
Abstract
Systemic lupus erythematosus (SLE) is an autoimmune disease that can affect almost any organ in the human body. Despite significant advancements in our understanding of SLE over the recent years, its exact mode of onset and disease progression remains elusive. Low concordance rates among monozygotic twins with SLE (as low as 24%), clustering of disease prevalence around polluted regions and an urban-rural difference in prevalence all highlight the importance of environmental influences in SLE. Experimental data strongly suggests a complex interaction between the exposome (or environmental influences) and genome (genetic material) to produce epigenetic changes (epigenome) that can alter the expression of genetic material and lead to development of disease in the susceptible individual. In this review, we focus on the available literature to explore the role of environmental factors in SLE disease onset and progression and to better understand the role of exposome-epigenome-genome interactions in this dreaded disease.
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Abstract
Systemic lupus erythematosus (lupus, SLE) is a chronic autoimmune disease characterized by the production of autoantibodies, which bind to antigens and are deposited within tissues to fix complement, resulting in widespread systemic inflammation. The studies presented herein are consistent with hyperpolarized, adenosine triphosphate (ATP)-deficient mitochondria being central to the disease process. These hyperpolarized mitochondria resist the depolarization required for activation-induced apoptosis. The mitochondrial ATP deficits add to this resistance to apoptosis and also reduce the macrophage energy that is needed to clear apoptotic bodies. In both cases, necrosis, the alternative pathway of cell death, results. Intracellular constituents spill into the blood and tissues, eliciting inflammatory responses directed at their removal. What results is “autoimmunity.” Ultraviolet (UV)-A1 photons have the capacity to remediate this aberrancy. Exogenous exposure to low-dose, full-body, UV-A1 radiation generates singlet oxygen. Singlet oxygen has two major palliative actions in patients with lupus and the UV-A1 photons themselves have several more. Singlet oxygen depolarizes the hyperpolarized mitochondrion, triggering non-ATP-dependent apoptosis that deters necrosis. Next, singlet oxygen activates the gene encoding heme oxygenase (HO-1), a major governor of systemic homeostasis. HO-1 catalyzes the degradation of the oxidant heme into biliverdin (converted to bilirubin), Fe, and carbon monoxide (CO), the first three of these exerting powerful antioxidant effects, and in conjunction with a fourth, CO, protecting against injury to the coronary arteries, the central nervous system, and the lungs. The UV-A1 photons themselves directly attenuate disease in lupus by reducing B cell activity, preventing the suppression of cell-mediated immunity, slowing an epigenetic progression toward SLE, and ameliorating discoid and subacute cutaneous lupus. Finally, a combination of these mechanisms reduces levels of anticardiolipin antibodies and protects during lupus pregnancy. Capping all of this is that UV-A1 irradiation is an essentially innocuous, highly manageable, and comfortable therapeutic agency.
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Affiliation(s)
- H McGrath
- Veterans Administration, New Orleans, LA, USA
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8
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Yang P, Wen H, Zhong T, Hu H, Zhu B, Xia K, Xu M, Bian M. GADD45α is involved in the apoptosis of lymphocytes induced by riboflavin and ultraviolet light. Transfusion 2016; 57:646-656. [PMID: 27905125 DOI: 10.1111/trf.13945] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Revised: 10/19/2016] [Accepted: 10/21/2016] [Indexed: 01/02/2023]
Abstract
BACKGROUND Riboflavin plus ultraviolet (UV) pathogen reduction technology (RF-PRT) is an effective method for inactivating the residual white blood cells (WBCs) in blood components. The RF-PRT system for platelets is known to activate many signaling pathways, including p38 and NF-κB. Nevertheless, proteomic studies in WBCs after riboflavin plus UV treatment requires further analysis. STUDY DESIGN AND METHODS ABO/D-matched lymphocytes were pooled, split, and treated with RF-PRT or UV light or left untreated. After treatment, cell apoptosis was measured. In addition, cell proliferation and the cycle distribution were evaluated upon stimulation with phytohemagglutinin. The changes in the protein expression levels of growth arrest and DNA damage-inducible (GADD)45α, p38, and c-Jun N-terminal kinase (JNK) were determined by Western blotting. The effect of GADD45α, p38, and JNK on apoptosis was assessed. RESULTS RF-PRT significantly inhibited proliferation and induced G1 arrest in lymphocytes. Furthermore, the percentage of apoptotic cells was increased in RF-PRT-treated lymphocytes compared to UV-treated cells or untreated cells, associated with the up regulation of GADD45α expression. Consistent with these observations, the inhibition of GADD45α expression partially counteracted the effects of riboflavin plus UV treatment. The p38 and JNK signaling pathways were activated by GADD45α in RF-PRT-treated lymphocytes. CONCLUSIONS These data revealed that RF-PRT effectively inhibited proliferation and induced apoptosis of lymphocytes by promoting GADD45α expression, which subsequently activates p38 and JNK signaling pathways.
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Affiliation(s)
- Peng Yang
- Department of Blood Transfusion, the First Affiliated Hospital of Anhui Medical University, Anhui, PR China
| | - Huiqin Wen
- Department of Blood Transfusion, the First Affiliated Hospital of Anhui Medical University, Anhui, PR China
| | - Tao Zhong
- Department of Blood Transfusion, the First Affiliated Hospital of Anhui Medical University, Anhui, PR China
| | - Hailiang Hu
- Department of Blood Transfusion, the First Affiliated Hospital of Anhui Medical University, Anhui, PR China
| | - Bangqiang Zhu
- Department of Blood Transfusion, the First Affiliated Hospital of Anhui Medical University, Anhui, PR China
| | - Kang Xia
- Department of Blood Transfusion, the First Affiliated Hospital of Anhui Medical University, Anhui, PR China
| | - Mo Xu
- Department of Pathophysiology, School of Basic Medical Science, Anhui Medical University, Anhui, PR China
| | - Maohong Bian
- Department of Blood Transfusion, the First Affiliated Hospital of Anhui Medical University, Anhui, PR China
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Kawano A, Hayakawa A, Kojima S, Tsukimoto M, Sakamoto H. Purinergic signaling mediates oxidative stress in UVA-exposed THP-1 cells. Toxicol Rep 2015; 2:391-400. [PMID: 28962373 PMCID: PMC5598242 DOI: 10.1016/j.toxrep.2015.01.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Accepted: 01/26/2015] [Indexed: 01/16/2023] Open
Abstract
Ultraviolet A (UVA) radiation, the major UV component of solar radiation, can penetrate easily to the dermis, where it causes significant damage to cellular components by inducing formation of reactive oxygen species (ROS). On the other hand, extracellular ATP is released in response to various stimuli, and activates purinergic P2X7 receptor, triggering ROS production and cell death. Here, we examined the hypothesis that ATP release followed by activation of P2X7 receptor plays a role in UVA-induced oxidative cell damage, using human acute monocytic leukemia cell line THP-1. Indeed, UVA irradiation of THP-1 cells induced ATP release and activation of P2X7 receptor. Irradiated cells showed a rapid increase of both p67phox in membrane fraction and intracellular ROS. Pretreatment with ecto-nucleotidase or P2X7 receptor antagonist blocked the UVA-initiated membrane translocation of p67phox and ROS production. Furthermore, pretreatment with antioxidant or P2X7 receptor antagonist efficiently protected UVA-irradiated cells from caspase-dependent cell death. These findings show that autocrine signaling through release of ATP and activation of P2X7 receptor is required for UVA-induced stimulation of oxidative stress in monocytes.
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Affiliation(s)
- Ayumi Kawano
- Radioisotope Research Laboratory, School of Pharmacy, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo, Japan
| | - Akimitsu Hayakawa
- Radioisotope Research Laboratory, School of Pharmacy, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo, Japan
| | - Shuji Kojima
- Department of Radiation Biosciences, Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda-shi, Chiba, Japan
| | - Mitsutoshi Tsukimoto
- Department of Radiation Biosciences, Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda-shi, Chiba, Japan
| | - Hikaru Sakamoto
- Radioisotope Research Laboratory, School of Pharmacy, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo, Japan
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Abstract
Exposure to ultraviolet (UV) radiation is among the environmental factors that have been proposed and studied in association with systemic lupus erythematosus (SLE). While it is known that UV radiation exposure may exacerbate pre-existing lupus, it remains unclear whether UV exposure is a risk factor for the development of SLE. Experimental studies show a significant immunomodulatory role for UV radiation, but strong epidemiologic data regarding its role in triggering SLE onset are lacking. Further studies are needed to assess the role of UV radiation in relation to development of incident SLE, yet they are challenging to design due to difficulties in accurate exposure assessment, the heterogeneous nature of SLE, and the challenge of assessing photosensitivity, a feature of SLE, which often precedes its diagnosis.
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Affiliation(s)
- M Barbhaiya
- Brigham and Women's Hospital, Division of Rheumatology, Immunology, and Allergy, Harvard Medical School, USA
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11
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VOLNUKHIN VA, SAMSONOV VA. UVA-1 therapy of localized scleroderma and other diseases accompanied by skin sclerosis. VESTNIK DERMATOLOGII I VENEROLOGII 2013. [DOI: 10.25208/vdv566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
The study results confirm the efficacy of the UVA-1 therapy for patients with localized scleroderma, extragenital lichen sclerosus et atrophicus, sclerodermatous chronic graft-versus-host disease and scleredema adultorum. The therapy has an anti-inflammatory and anti^m^ action, arrests progression and reduces the activity of the disease process, and has a good efficacy and safety profile.
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12
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Treatment regimens, protocols, dosage, and indications for UVA1 phototherapy: Facts and controversies. Clin Dermatol 2013; 31:438-454. [DOI: 10.1016/j.clindermatol.2013.01.011] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Kim A, Chong BF. Photosensitivity in cutaneous lupus erythematosus. PHOTODERMATOLOGY, PHOTOIMMUNOLOGY & PHOTOMEDICINE 2013; 29:4-11. [PMID: 23281691 PMCID: PMC3539182 DOI: 10.1111/phpp.12018] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 09/17/2012] [Indexed: 01/05/2023]
Abstract
BACKGROUND Ultraviolet radiation (UVR) is a well-known exacerbating factor for cutaneous lupus erythematosus (CLE), with photosensitivity comprising one of the American College of Rheumatology (ACR) diagnostic criteria for systemic lupus erythematosus (SLE). However, discerning true photosensitivity in this population is difficult due to the broad language utilized by the ACR and the delayed-onset nature of photosensitive lupus lesions. AIMS The objective of this report is to provide a review of photosensitivity, photoprovocation, and phototherapy in the context of CLE patients. METHODS A literature review in PubMed was conducted using the terms 'ultraviolet light,' 'lupus erythematosus,' 'photoprovocation,' or 'photosensitivity.' RESULTS Self-patient reporting of photosensitivity and the broad definition of photosensitivity have led to the wide range of photosensitivity rates in CLE patients. Photoprovocation testing provides a more objective method to measure photosensitivity, but even these trials demonstrate significant differences due to protocol variations. Despite UVR's deleterious effect on lupus patients, ultraviolet A (UVA)-1 may have therapeutic benefits as shown by observations on murine models and human lupus subjects. CONCLUSIONS Accurately discerning photosensitivity has diagnostic implications for SLE and provides motivation for greater patient adherence to photoprotective methods.
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Affiliation(s)
- Andrew Kim
- Department of Dermatology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Benjamin F. Chong
- Department of Dermatology, University of Texas Southwestern Medical Center, Dallas, TX, USA
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14
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Smit N, Musson R, Romijn F, van Rossum H, van Pelt J. Effects of Ultraviolet A-1 Radiation on Calcineurin Activity and Cytokine Production in (Skin) Cell Cultures. Photochem Photobiol 2010; 86:360-6. [DOI: 10.1111/j.1751-1097.2009.00650.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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15
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Cui Z, Huang Y, Mo Q, Wang X, Qian K. Inactivation of lymphocytes in blood products using riboflavin photochemical treatment with visible light. Photochem Photobiol 2008; 84:1195-200. [PMID: 18346092 DOI: 10.1111/j.1751-1097.2008.00313.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Immunocompetent lymphocytes present in blood products are an important cause of immune reactions following blood transfusion such as transfusion-associated graft-versus-host disease (TA-GVHD). In this study the effects of riboflavin photochemical treatment (RPT) on lymphocyte proliferation and cytokine production in vitro were measured to establish whether RPT of blood products can be used to prevent immune reactions resulting from transfused lymphocytes. Lymphocytes and riboflavin were added together in medical PVC transparent bags and then exposed to visible light. Control lymphocytes were exposed to light in the absence of riboflavin. Lymphocytes exposed to riboflavin photochemical treatment (RPT-lymphocytes) and control lymphocytes were tested for the proliferative ability and the production of several cytokines upon stimulation with antigens. Upon stimulation by phytohemagglutinin (PHA) the proliferation of RPT-lymphocytes was inhibited. Using flow cytometry it was shown that RPT-lymphocytes were unable to enter the S-phase of the cell cycle following PHA stimulation. The level of cytokines present in the supernatant of RPT-lymphocytes after stimulation by antigens was significantly lower than those present in the corresponding supernatant of control lymphocytes. RPT with visible light inactivates lymphocytes, inhibits lymphocyte proliferation and the production of cytokines. It appears to be a promising method to prevent immune reactions such as TA-GVHD.
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Affiliation(s)
- Zhenling Cui
- Shanghai Blood Center Graduate Student Training Base, East China Normal University, Shanghai, China
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16
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Leitenberger J, Jacobe HT, Cruz PD. Photoimmunology--illuminating the immune system through photobiology. Semin Immunopathol 2007; 29:65-70. [PMID: 17621955 DOI: 10.1007/s00281-007-0063-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
We review the field of photoimmunology with emphasis on immunosuppression induced by ultraviolet B radiation. Recent studies have focused on UVB-induced alterations in epidermal Langerhans cell function, resulting in a shift from Th1 to Th2 phenotype and the activation of regulatory T cells as the source of IL-10 that is central to this form of immunosuppression.
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Affiliation(s)
- Justin Leitenberger
- Department of Dermatology, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390-9069, USA
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