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Sabockytė A, McAllister S, Coates CJ, Lim J. Effect of acute ultraviolet radiation on Galleria mellonella health and immunity. J Invertebr Pathol 2023; 198:107899. [PMID: 36806465 DOI: 10.1016/j.jip.2023.107899] [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: 10/31/2022] [Revised: 01/27/2023] [Accepted: 02/12/2023] [Indexed: 02/17/2023]
Abstract
For humans, acute and chronic overexposure to ultraviolet (UV) radiation can cause tissue damage in the form of sunburn and promote cancer(s). The immune-modulating properties of UV radiation and health-related consequences are not well known. Herein, we used the larvae of the wax moth Galleria mellonella, to determine UV-driven changes in cellular components of innate immunity. From immune cell (haemocyte) reactivity and the production of antimicrobial factors, these insects share many functional similarities with mammalian cellular innate immunity. After exposing insects to UVA or UVB for up to two hours, we monitored larval viability, susceptibility to infection, haemolymph (blood) physiology and faecal discharge. Prolonged exposure of larvae to UVB coincided with decreased survival, enhanced susceptibility to bacterial challenge, melanin synthesis in the haemolymph, compromised haemocyte functionality and changes in faecal (bacterial) content. We contend G. mellonella is a reliable in vivo model for assessing the impact of UV exposure at the whole organism and cellular levels.
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Affiliation(s)
- Aušrinė Sabockytė
- Biological and Environmental Sciences, Faculty of Natural Sciences, University of Stirling, FK9 4LA, UK
| | - Samuel McAllister
- Biological and Environmental Sciences, Faculty of Natural Sciences, University of Stirling, FK9 4LA, UK
| | - Christopher J Coates
- Zoology, Ryan Institute, School of Natural Sciences, University of Galway, Galway H91 TK33, Ireland
| | - Jenson Lim
- Biological and Environmental Sciences, Faculty of Natural Sciences, University of Stirling, FK9 4LA, UK.
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Hiraiwa T, Yamamoto T. Successful treatment with phototherapy for acquired reactive perforating collagenosis subsequently exacerbated following improvement of diffuse erythema induced by immune checkpoint inhibitors. J Dermatol 2022; 50:e164-e165. [PMID: 36585743 DOI: 10.1111/1346-8138.16694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 12/07/2022] [Accepted: 12/13/2022] [Indexed: 01/01/2023]
Affiliation(s)
- Tomoko Hiraiwa
- Department of Dermatology, Fukushima Medical University, Fukushima, Japan
| | - Toshiyuki Yamamoto
- Department of Dermatology, Fukushima Medical University, Fukushima, Japan
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Hart PH, Norval M. More Than Effects in Skin: Ultraviolet Radiation-Induced Changes in Immune Cells in Human Blood. Front Immunol 2021; 12:694086. [PMID: 34177957 PMCID: PMC8222718 DOI: 10.3389/fimmu.2021.694086] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 05/25/2021] [Indexed: 12/11/2022] Open
Abstract
Cells of the skin and circulation are in constant two-way communication. Following exposure of humans to sunlight or to phototherapy, there are alterations in the number, phenotype and function of circulating blood cells. In this review, only data obtained from human studies are considered, with changes induced by UV radiation (UVR) exposure described for phagocytic leukocytes and peripheral blood mononuclear cells plus their component T and B cells, natural killer cells and dendritic cells. These immune modulations illustrate the potential of UVR to have therapeutic effects beyond the skin, and that sunlight exposure is an important environmental influence on human health.
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Affiliation(s)
- Prue H Hart
- Telethon Kids Institute, University of Western Australia, Perth, WA, Australia
| | - Mary Norval
- Biomedical Sciences, University of Edinburgh Medical School, Edinburgh, United Kingdom
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Gao L, Gu L, Chen Z, Cao S. Doxycycline Combined with NB-UVB Phototherapy for Acquired Reactive Perforating Collagenosis. Ther Clin Risk Manag 2020; 16:917-921. [PMID: 33061396 PMCID: PMC7522401 DOI: 10.2147/tcrm.s271058] [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: 07/10/2020] [Accepted: 08/21/2020] [Indexed: 11/25/2022] Open
Abstract
Background Acquired reactive perforating collagenosis is a rare skin disease characterized by the discharge of collagen fibers through the epidermis. There is no standard treatment for this disease currently. Here, we report a case of ARPC that has been successfully treated and cured. Case Description A 32-year-old man developed severe itching papules on his torso and limbs for 3 months. Skin lesions were keratotic papules scattered on the limbs and trunk, with a diameter of 3 to 12 mm. Some lesions had umbilical recesses and the shape of a crater with positive isomorphic reactions. The patient scratched his severe itching lesions which merged into large ones. This patient had histories of hypertension and dilated cardiomyopathy with mild congestive heart failure. The clinical presentation and histopathology of skin lesions met Faver’s diagnostic criteria for ARPC. Treatment Oral Doxycycline 100mg/d, NB-UVB phototherapy 3 times a week with initial dose 400mJ/cm2, gradually increased to 1200mJ/cm2(total cumulative dose 16700J/cm2). Outcomes After a week of treatment, the patient’s itching symptoms were significantly reduced and stopped presenting any new skin lesions. Most of the lesions healed in 6 weeks of treatment. Lessons Doxycycline combined with NB-UVB may be an effective treatment for ARPC.
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Affiliation(s)
- Limu Gao
- Department of Dermatology, Affiliated Hospital of Nantong University, Nantong, Jiangsu Province, People's Republic of China
| | - Lixiong Gu
- Department of Dermatology, Affiliated Hospital of Nantong University, Nantong, Jiangsu Province, People's Republic of China
| | - Zhen Chen
- Department of Dermatology, Affiliated Hospital of Nantong University, Nantong, Jiangsu Province, People's Republic of China
| | - Shuanglin Cao
- Department of Dermatology, Affiliated Hospital of Nantong University, Nantong, Jiangsu Province, People's Republic of China
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Short-term changes in frequencies of circulating leukocytes associated with narrowband UVB phototherapy in people with clinically isolated syndrome. Sci Rep 2019; 9:7980. [PMID: 31138860 PMCID: PMC6538725 DOI: 10.1038/s41598-019-44488-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 05/17/2019] [Indexed: 12/18/2022] Open
Abstract
Clinically isolated syndrome (CIS) is the earliest clinical episode in multiple sclerosis (MS). Low environmental exposure to UV radiation is implicated in risk of developing MS, and therefore, narrowband UVB phototherapy might delay progression to MS in people with CIS. Twenty individuals with CIS were recruited, and half were randomised to receive 24 sessions of narrowband UVB phototherapy over a period of 8 weeks. Here, the effects of narrowband UVB phototherapy on the frequencies of circulating immune cells and immunoglobulin levels after phototherapy are reported. Peripheral blood samples for all participants were collected at baseline, and 1, 2, 3, 6 and 12 months after enrolment. An extensive panel of leukocyte populations, including subsets of T cells, B cells, monocytes, dendritic cells, and natural killer cells were examined in phototherapy-treated and control participants, and immunoglobulin levels measured in serum. There were significant short-term increases in the frequency of naïve B cells, intermediate monocytes, and fraction III FoxP3+ T regulatory cells, and decreases in switched memory B cells and classical monocytes in phototherapy-treated individuals. Since B cells are increasingly targeted by MS therapies, the effects of narrowband UVB phototherapy in people with MS should be investigated further.
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Sharma J, Vasudeva Rao Y, Kumar S, Chakrabarti R. Impact of UV-B radiation on the digestive enzymes and immune system of larvae of Indian major carpCatla catla. Int J Radiat Biol 2010; 86:181-6. [DOI: 10.3109/09553000903419312] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Norval M, McLoone P, Lesiak A, Narbutt J. The Effect of Chronic Ultraviolet Radiation on the Human Immune System†. Photochem Photobiol 2007; 84:19-28. [DOI: 10.1111/j.1751-1097.2007.00239.x] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Cannell JJ, Vieth R, Umhau JC, Holick MF, Grant WB, Madronich S, Garland CF, Giovannucci E. Epidemic influenza and vitamin D. Epidemiol Infect 2006; 134:1129-40. [PMID: 16959053 PMCID: PMC2870528 DOI: 10.1017/s0950268806007175] [Citation(s) in RCA: 669] [Impact Index Per Article: 37.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/05/2006] [Indexed: 12/28/2022] Open
Abstract
In 1981, R. Edgar Hope-Simpson proposed that a 'seasonal stimulus' intimately associated with solar radiation explained the remarkable seasonality of epidemic influenza. Solar radiation triggers robust seasonal vitamin D production in the skin; vitamin D deficiency is common in the winter, and activated vitamin D, 1,25(OH)2D, a steroid hormone, has profound effects on human immunity. 1,25(OH)2D acts as an immune system modulator, preventing excessive expression of inflammatory cytokines and increasing the 'oxidative burst' potential of macrophages. Perhaps most importantly, it dramatically stimulates the expression of potent anti-microbial peptides, which exist in neutrophils, monocytes, natural killer cells, and in epithelial cells lining the respiratory tract where they play a major role in protecting the lung from infection. Volunteers inoculated with live attenuated influenza virus are more likely to develop fever and serological evidence of an immune response in the winter. Vitamin D deficiency predisposes children to respiratory infections. Ultraviolet radiation (either from artificial sources or from sunlight) reduces the incidence of viral respiratory infections, as does cod liver oil (which contains vitamin D). An interventional study showed that vitamin D reduces the incidence of respiratory infections in children. We conclude that vitamin D, or lack of it, may be Hope-Simpson's 'seasonal stimulus'.
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Affiliation(s)
- J J Cannell
- Atascadero State Hospital, 10333 El Camino Real, Atascadero, CA 93422, USA.
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McLoone P, Norval M. Adaptation to the UV-induced suppression of phagocytic activity in murine peritoneal macrophages following chronic exposure to solar simulated radiation. Photochem Photobiol Sci 2005; 4:792-7. [PMID: 16189553 DOI: 10.1039/b503094c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Exposure of certain strains of mice to ultraviolet radiation (UVR) is known to suppress both local and systemic immune responses, including a reduction in the phagocytic activity of peritoneal macrophages. However, in many instances, the immunological effects have been observed following a single or a limited number of doses of UVR from sources containing a higher proportion of UVB than that emitted by the sun. The first aim of the present study was to establish whether a single exposure of C3H/HeN mice to solar simulated radiation (SSR) suppressed the ability of the peritoneal macrophages to phagocytose opsonised sheep red blood cells. The mice were irradiated with SSR from Cleo Natural lamps and a single dose of 31.9 J cm(-2) was found to be the minimal dose for significant suppression of macrophage phagocytic activity. Such a dose did not modulate the surface expression of I-A(k), CD11b, CD86 or FcgammaRII/III (CD32/16) on the macrophages. The second aim was to assess whether repeated SSR exposures with a dose below the minimal immunosuppressive dose affected macrophage activity and, if so, to test for photoadaptation by repeated exposures followed by a single, normally immunosuppressive dose of SSR, and then assaying the macrophage activity. Groups of mice were irradiated on each of 2, 10 and 30 days with 14.9 J cm(-2) SSR, followed in some instances by a single additional exposure of 31.9 J cm(-2) on the same day as the last irradiation. The phagocytic activity of the peritoneal macrophages was tested 24 h later. It was reduced by 32%, 18% and 4% respectively after 2, 10 and 30 repeated exposures to SSR, and by 39%, 21% and 7% respectively after 2, 10 and 30 repeated exposures plus the additional higher dose at the end. Thus, although the macrophage activity was initially suppressed by the SSR, photoadaptation of this immune parameter occurred following repeated exposures.
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Affiliation(s)
- Pauline McLoone
- Medical Microbiology, University of Edinburgh Medical School, Teviot Place, Edinburgh, ScotlandEH8 9AG
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Schornagel IJ, Sigurdsson V, Nijhuis EHJ, Bruijnzeel-Koomen CAFM, Knol EF. Decreased Neutrophil Skin Infiltration After UVB Exposure in Patients with Polymorphous Light Eruption. J Invest Dermatol 2004; 123:202-6. [PMID: 15191561 DOI: 10.1111/j.0022-202x.2004.22734.x] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
UV radiation, in particular UVB, suppresses the skin immune response. In patients with polymorphous light eruption (PLE) the skin immune response seems activated after UV exposure. Typical PLE skin lesions can occur as early as several hours after UV exposure. In healthy volunteers, neutrophils infiltrate the skin shortly after UV exposure. The kinetics and mechanisms of neutrophil infiltration in the skin of PLE patients after UVB exposure was studied. Skin biopsies at 0, 3, 6, and 18 h were taken from five PLE patients and six healthy controls after irradiation with three minimal erythema dose UVB. Furthermore, neutrophils were isolated from blood of five PLE patients and six healthy controls to test their chemotactic activity. Immunohistochemical analysis showed a significant decreased neutrophil infiltration in PLE skin after UVB irradiation compared with healthy controls (p<0.05). In both healthy controls and PLE patients, after UVB irradiation, ICAM-1 and E-selectin expression on endothelial cells increased at 6 h after irradiation. Blood neutrophil chemotactic response towards IL-8 and C5a, as well as the expression of cell surface markers involved in adhesion and chemotaxis, was not different between PLE patients and healthy controls. In conclusion, PLE is marked by a decreased skin infiltration of neutrophils after UVB irradiation, possibly leading to a diminished neutrophil-induced suppression.
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Affiliation(s)
- Ines J Schornagel
- Department of Dermatology/Allergology, University Medical Center Utrecht, Utrecht, The Netherlands.
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Teunissen MBM, Piskin G, di Nuzzo S, Sylva-Steenland RMR, de Rie MA, Bos JD. Ultraviolet B radiation induces a transient appearance of IL-4+ neutrophils, which support the development of Th2 responses. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2002; 168:3732-9. [PMID: 11937523 DOI: 10.4049/jimmunol.168.8.3732] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
UVB irradiation can cause considerable changes in the composition of cells in the skin and in cutaneous cytokine levels. We found that a single exposure of normal human skin to UVB induced an infiltration of numerous IL-4(+) cells. This recruitment was detectable in the papillary dermis already 5 h after irradiation, reaching a peak at 24 h and declining gradually thereafter. The IL-4(+) cells appeared in the epidermis at 24 h postradiation and reached a plateau at days 2 and 3. The number of IL-4(+) cells was markedly decreased in both dermis and epidermis at day 4, and at later time points, the IL-4 expression was absent. The IL-4(+) cells did not coexpress CD3 (T cells), tryptase (mast cells), CD56 (NK cells), and CD36 (macrophages). They did coexpress CD15 and CD11b, showed a clear association with elastase, and had a multilobed nucleus, indicating that UVB-induced infiltrating IL-4(+) cells are neutrophils. Blister fluid from irradiated skin, but not from control skin, contained IL-4 protein as well as increased levels of IL-6, IL-8, and TNF-alpha. In contrast to control cultures derived from nonirradiated skin, a predominant type 2 T cell response was detected in T cells present in primary dermal cell cultures derived from UVB-exposed skin. This type 2 shift was abolished when CD15(+) cells (i.e., neutrophils) were depleted from the dermal cell suspension before culturing, suggesting that neutrophils favor type 2 T cell responses in UVB-exposed skin.
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Affiliation(s)
- Marcel B M Teunissen
- Department of Dermatology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.
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Termorshuizen F, Garssen J, Norval M, Koulu L, Laihia J, Leino L, Jansen CT, De Gruijl F, Gibbs NK, De Simone C, Van Loveren H. A review of studies on the effects of ultraviolet irradiation on the resistance to infections: evidence from rodent infection models and verification by experimental and observational human studies. Int Immunopharmacol 2002; 2:263-75. [PMID: 11811930 DOI: 10.1016/s1567-5769(01)00178-3] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Recent studies on the immunosuppressive effects of ultraviolet radiation (UVR) and the related resistance to infections in rodents and humans are presented. The waveband dependency of trans-to-cis isomerisation of urocanic acid in the stratum corneum and the role of DNA damage in UVR-induced erythema and immunosuppression were investigated to further elucidate the underlying mechanisms. Furthermore, human experimental studies on UVR-induced immunomodulation were performed. It appeared that the doses needed to suppress various immune parameters in humans (e.g. NK activity, contact hypersensitivity) were higher than those needed in experiments in rodents. Still, extrapolation of experimental animal data to the human situation showed that UVR may impair the resistance to different systemic infections at relevant outdoor doses. In observational human studies we aimed to substantiate the relevance of UVR for infections in humans. It was shown that sunny season was associated with a slightly retarded but clinically non-relevant antibody response to hepatitis B vaccination. Furthermore, sunny season appeared to be associated with a small decline in the number of CD4+ T-helper cells in a cohort of HIV-infected persons and a higher recurrence of herpes simplex and herpes zoster in a cohort of renal transplant recipients. However, in a study among young children a higher exposure to solar UVR was associated with a lower occurrence of upper respiratory tract symptoms. As disentangling the effects of UVR from other relevant factors is often impossible in observational studies, concise quantitative risk estimations for the human situation cannot be given at present.
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Affiliation(s)
- F Termorshuizen
- Laboratory for Pathology and Immunobiology, National Institute of Public Health and the Environment, Bilthoven, The Netherlands
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Kasahara S, Wago H, Cooper EL. Dissociation of innate and adaptive immunity by UVB irradiation. Int J Immunopathol Pharmacol 2002; 15:1-11. [PMID: 12593782 DOI: 10.1177/039463200201500101] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Increasing ultraviolet-B irradiation (UVB) resulting from diminution of stratospheric ozone is becoming a serious international problem. UVB irradiation exerts not only carcinogenic effects on animals but also causes them to become vulnerable to infections by modulating their immune responses. UVB irradiation suppresses innate immune functions of cells such as macrophages, neutrophils, Langerhans cells, dendritic cells, and the serum component, complement. UVB irradiation also causes changes in cytokine profiles, represented by the induction of a paradigm switch involving Th1/Th2 phenotypes. According to earlier studies, Th1 responses are suppressed, whereas Th2 activities are augmented by UVB irradiation. These immune modulations are caused by several pathways via cytokines and neuropeptides, and eventually may lead to increasing incidences of infection, allergy, and cancer. We have reviewed reports concerning UVB-irradiation induced immune modulation from the viewpoint of risks for human diseases and, in addition, for ecosystems and immunity of lower animals.
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Affiliation(s)
- S. Kasahara
- Lab. Comparative Immunology, Dept. Neurobiology, UCLA Medical Center, Los Angeles, CA, USA
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Boonstra A, van Oudenaren A, Barendregt B, An L, Leenen PJ, Savelkoul HF. UVB irradiation modulates systemic immune responses by affecting cytokine production of antigen-presenting cells. Int Immunol 2000; 12:1531-8. [PMID: 11058572 DOI: 10.1093/intimm/12.11.1531] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The immunosuppressive effects of UVB irradiation have been well documented. The production of cytokines by keratinocytes is considered to play a major role in the induction of local as well as systemic immunosuppression. It is thought that partly due to the interaction of locally produced cytokines with antigen-presenting cells (APC) systemic effects, like antigen-specific tolerance, can be induced. In this study we examined the effect of UVB irradiation on cytokine profiles of peripheral APC as well as the functional consequences. Our results indicate that UVB irradiation impairs T(h)1-mediated immune responses in vivo by suppression of the systemic IL-12p70 production. Splenic APC from UVB-exposed mice showed an enhanced production of prostaglandin E(2), IL-1, IL-6 and tumor necrosis factor-alpha after in vitro stimulation. Also, spleen cells from UVB irradiated IL-4(-/-) mice showed increased IL-6 levels. These APC were less efficient in inducing IFN-gamma production by CD4(+) T cells and suppressed IgM production by B cells. We conclude that the altered cytokine profile of peripheral APC can be responsible for the systemic effects of UVB irradiation on the T(h)1/T(h)2 balance as well as on B cell responses.
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Affiliation(s)
- A Boonstra
- Department of Immunology, Erasmus University and University Hospital Rotterdam, PO Box 1738, 3000 DR Rotterdam, The Netherlands
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