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Yoon KN, Kim SY, Ji J, Cui Y, Quan QL, Park G, Oh JH, Lee JS, An JY, Chung JH, Lee YS, Lee DH. Chronic ultraviolet irradiation induces memory deficits via dysregulation of the dopamine pathway. Exp Mol Med 2024:10.1038/s12276-024-01242-x. [PMID: 38825641 DOI: 10.1038/s12276-024-01242-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 03/03/2024] [Accepted: 03/04/2024] [Indexed: 06/04/2024] Open
Abstract
The effects of ultraviolet (UV) radiation on brain function have previously been investigated; however, the specific neurotransmitter-mediated mechanisms responsible for UV radiation-induced neurobehavioral changes remain elusive. In this study, we aimed to explore the mechanisms underlying UV radiation-induced neurobehavioral changes. In a mouse model, we observed that UV irradiation of the skin induces deficits in hippocampal memory, synaptic plasticity, and adult neurogenesis, as well as increased dopamine levels in the skin, adrenal glands, and brain. Chronic UV exposure altered the expression of genes involved in dopaminergic neuron differentiation. Furthermore, chronic peripheral dopamine treatments resulted in memory deficits. Systemic administration of a dopamine D1/D5 receptor antagonist reversed changes in memory, synaptic plasticity, adult neurogenesis, and gene expression in UV-irradiated mice. Our findings provide converging evidence that chronic UV exposure alters dopamine levels in the central nervous system and peripheral organs, including the skin, which may underlie the observed neurobehavioral shifts, such as hippocampal memory deficits and impaired neurogenesis. This study underscores the importance of protection from UV exposure and introduces the potential of pharmacological approaches targeting dopamine receptors to counteract the adverse neurological impacts of UV exposure.
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Grants
- HP20C0220 Ministry of Health and Welfare (Ministry of Health, Welfare and Family Affairs)
- HP20C0220 Ministry of Health and Welfare (Ministry of Health, Welfare and Family Affairs)
- HP20C0220 Ministry of Health and Welfare (Ministry of Health, Welfare and Family Affairs)
- HP20C0220 Ministry of Health and Welfare (Ministry of Health, Welfare and Family Affairs)
- HP20C0220 Ministry of Health and Welfare (Ministry of Health, Welfare and Family Affairs)
- HP20C0220 Ministry of Health and Welfare (Ministry of Health, Welfare and Family Affairs)
- HP20C0220 Ministry of Health and Welfare (Ministry of Health, Welfare and Family Affairs)
- HP20C0220 Ministry of Health and Welfare (Ministry of Health, Welfare and Family Affairs)
- HP20C0220 Ministry of Health and Welfare (Ministry of Health, Welfare and Family Affairs)
- HP20C0220 Ministry of Health and Welfare (Ministry of Health, Welfare and Family Affairs)
- HP20C0220 Ministry of Health and Welfare (Ministry of Health, Welfare and Family Affairs)
- HP20C0220 Ministry of Health and Welfare (Ministry of Health, Welfare and Family Affairs)
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Affiliation(s)
- Kyeong-No Yoon
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Republic of Korea
- Laboratory of Cutaneous Aging Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea
- Institute of Human-Environmental Interface Biology, Medical Research Center, Seoul National University, Seoul, Republic of Korea
| | - Sun Yong Kim
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Republic of Korea
- Department of Physiology, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jungeun Ji
- Department of Integrated Biomedical and Life Science, Korea University, Seoul, Republic of Korea
- BK21FOUR R&E Center for Learning Health Systems, Korea University, Seoul, Republic of Korea
| | - Yidan Cui
- Laboratory of Cutaneous Aging Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea
- Institute of Human-Environmental Interface Biology, Medical Research Center, Seoul National University, Seoul, Republic of Korea
- Department of Dermatology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Qing-Ling Quan
- Laboratory of Cutaneous Aging Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea
- Institute of Human-Environmental Interface Biology, Medical Research Center, Seoul National University, Seoul, Republic of Korea
- Department of Dermatology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Gunhyuk Park
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, Seoul, Republic of Korea
| | - Jang-Hee Oh
- Laboratory of Cutaneous Aging Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea
- Institute of Human-Environmental Interface Biology, Medical Research Center, Seoul National University, Seoul, Republic of Korea
- Department of Dermatology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Ji Su Lee
- Laboratory of Cutaneous Aging Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea
- Institute of Human-Environmental Interface Biology, Medical Research Center, Seoul National University, Seoul, Republic of Korea
- Department of Dermatology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Joon-Yong An
- Department of Integrated Biomedical and Life Science, Korea University, Seoul, Republic of Korea
- BK21FOUR R&E Center for Learning Health Systems, Korea University, Seoul, Republic of Korea
- School of Biosystem and Biomedical Science, College of Health Science, Korea University, Seoul, Republic of Korea
| | - Jin Ho Chung
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Republic of Korea.
- Laboratory of Cutaneous Aging Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea.
- Institute of Human-Environmental Interface Biology, Medical Research Center, Seoul National University, Seoul, Republic of Korea.
- Department of Dermatology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.
- Institute on Aging, Seoul National University, Seoul, Republic of Korea.
| | - Yong-Seok Lee
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Republic of Korea.
- Department of Physiology, Seoul National University College of Medicine, Seoul, Republic of Korea.
- Neuroscience Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea.
- Wide River Institute of Immunology, Seoul National University, Hongcheon, Republic of Korea.
| | - Dong Hun Lee
- Laboratory of Cutaneous Aging Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea.
- Institute of Human-Environmental Interface Biology, Medical Research Center, Seoul National University, Seoul, Republic of Korea.
- Department of Dermatology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.
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Lim HS, Yoon K, Lee DH, Lee YS, Chung JH, Park G. Effects of 20-hydroxyecdysone on UVB-induced photoaging in hairless mice. Biomed Pharmacother 2023; 164:114899. [PMID: 37229804 DOI: 10.1016/j.biopha.2023.114899] [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: 02/27/2023] [Revised: 05/14/2023] [Accepted: 05/16/2023] [Indexed: 05/27/2023] Open
Abstract
We recently reported that exposure of skin to ultraviolet B (UVB) irradiation for 2 weeks induces stress and accelerates skin aging. Interestingly, aldosterone synthase is known to be crucial in generating UVB-induced stress-related responses, suggesting that drugs that regulate its activity can be used as skin antiaging agents. Through extensive drug screening, we have identified 20-hydroxyecdysone (20E), a steroidal prohormone secreted by the prothoracic glands of insects, as a potent inhibitor of UVB-induced aging. Although 20E has been shown to exert antistress and anti-collagenase effects in vitro, its effects in vivo remain unexplored. Furthermore, the pharmacological and physiological effects of 20E on UVB-mediated photoaging are poorly understood. Therefore, in this study, we investigated the effects of 20E on aldosterone synthase and UVB-induced photoaging and skin lesions in hairless mice, focusing on the stress-related hypothalamic-pituitary-adrenal axis. We confirmed that 20E inhibited aldosterone synthase and reduced corticosterone levels. When applied to a UV-induced skin aging animal model, it ameliorated UV-induced stress and protected against the decrease in collagen levels. Importantly, when the aldosterone synthase inhibitor osilodrostat, an FDA-approved drug, was applied to the UV-induced skin aging model, the stress-reducing and antiaging effects of 20E were not observed. Thus, we conclude that 20E inhibits UVB-induced skin aging by blocking aldosterone synthase and is a potential candidate to prevent skin aging.
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Affiliation(s)
- Hye-Sun Lim
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, 111 Geonjae-ro, Naju-si, Jeollanam-do 58245, the Republic of Korea
| | - Kyeongno Yoon
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul 03080, the Republic of Korea
| | - Dong Hun Lee
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul 03080, the Republic of Korea; Department of Dermatology, Seoul National University College of Medicine, Seoul 03080, the Republic of Korea; Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul 03080, the Republic of Korea; Institute on Aging, Seoul National University, Seoul 03080, the Republic of Korea
| | - Yong-Seok Lee
- Department of Physiology, Department of Biomedical Sciences, Neuroscience Research Institute, Seoul National University College of Medicine, Seoul 03080, the Republic of Korea
| | - Jin Ho Chung
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul 03080, the Republic of Korea; Department of Dermatology, Seoul National University College of Medicine, Seoul 03080, the Republic of Korea; Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul 03080, the Republic of Korea; Institute on Aging, Seoul National University, Seoul 03080, the Republic of Korea
| | - Gunhyuk Park
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, 111 Geonjae-ro, Naju-si, Jeollanam-do 58245, the Republic of Korea; University of Science & Technology (UST), Korean Convergence Medicine Major, Campus of Korea Institute of Oriental Medicine, Daejeon 34113, the Republic of Korea.
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Neale RE, Lucas RM, Byrne SN, Hollestein L, Rhodes LE, Yazar S, Young AR, Berwick M, Ireland RA, Olsen CM. The effects of exposure to solar radiation on human health. Photochem Photobiol Sci 2023:10.1007/s43630-023-00375-8. [PMID: 36856971 PMCID: PMC9976694 DOI: 10.1007/s43630-023-00375-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 01/13/2023] [Indexed: 03/02/2023]
Abstract
This assessment by the Environmental Effects Assessment Panel (EEAP) of the Montreal Protocol under the United Nations Environment Programme (UNEP) evaluates the effects of ultraviolet (UV) radiation on human health within the context of the Montreal Protocol and its Amendments. We assess work published since our last comprehensive assessment in 2018. Over the last four years gains have been made in knowledge of the links between sun exposure and health outcomes, mechanisms, and estimates of disease burden, including economic impacts. Of particular note, there is new information about the way in which exposure to UV radiation modulates the immune system, causing both harms and benefits for health. The burden of skin cancer remains high, with many lives lost to melanoma and many more people treated for keratinocyte cancer, but it has been estimated that the Montreal Protocol will prevent 11 million cases of melanoma and 432 million cases of keratinocyte cancer that would otherwise have occurred in the United States in people born between 1890 and 2100. While the incidence of skin cancer continues to rise, rates have stabilised in younger populations in some countries. Mortality has also plateaued, partly due to the use of systemic therapies for advanced disease. However, these therapies are very expensive, contributing to the extremely high economic burden of skin cancer, and emphasising the importance and comparative cost-effectiveness of prevention. Photodermatoses, inflammatory skin conditions induced by exposure to UV radiation, can have a marked detrimental impact on the quality of life of sufferers. More information is emerging about their potential link with commonly used drugs, particularly anti-hypertensives. The eyes are also harmed by over-exposure to UV radiation. The incidence of cataract and pterygium is continuing to rise, and there is now evidence of a link between intraocular melanoma and sun exposure. It has been estimated that the Montreal Protocol will prevent 63 million cases of cataract that would otherwise have occurred in the United States in people born between 1890 and 2100. Despite the clearly established harms, exposure to UV radiation also has benefits for human health. While the best recognised benefit is production of vitamin D, beneficial effects mediated by factors other than vitamin D are emerging. For both sun exposure and vitamin D, there is increasingly convincing evidence of a positive role in diseases related to immune function, including both autoimmune diseases and infection. With its influence on the intensity of UV radiation and global warming, the Montreal Protocol has, and will have, both direct and indirect effects on human health, potentially changing the balance of the risks and benefits of spending time outdoors.
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Affiliation(s)
- R. E. Neale
- Population Health Program, QIMR Berghofer Medical Research Institute, Brisbane, QLD Australia ,School of Public Health, University of Queensland, Brisbane, QLD Australia
| | - R. M. Lucas
- National Centre for Epidemiology and Population Health, Australian National University, Canberra, ACT Australia
| | - S. N. Byrne
- School of Medical Science, Faculty of Medicine and Health, University of Sydney, Sydney, NSW Australia
| | - L. Hollestein
- Erasmus MC Cancer Institute, Rotterdam, The Netherlands ,Netherlands Comprehensive Cancer Organisation, Utrecht, The Netherlands
| | - L. E. Rhodes
- Dermatology Research Centre, School of Biological Sciences, University of Manchester, Salford Royal Hospital, Northern Care Alliance NHS Trust, Manchester, UK
| | - S. Yazar
- Garvan Medical Research Institute, Sydney, NSW Australia
| | | | - M. Berwick
- University of New Mexico Comprehensive Cancer Center, Albuquerque, USA
| | - R. A. Ireland
- School of Medical Science, Faculty of Medicine and Health, University of Sydney, Sydney, NSW Australia
| | - C. M. Olsen
- Population Health Program, QIMR Berghofer Medical Research Institute, Brisbane, QLD Australia ,Frazer Institute, University of Queensland, Brisbane, QLD Australia
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Lim HS, Lee SH, Seo H, Lee HH, Yoon K, Kim YU, Park MK, Chung JH, Lee YS, Lee DH, Park G. Early stage ultraviolet irradiation damage to skin collagen can be suppressed by HPA axis control via controlled CYP11B. Biomed Pharmacother 2022; 155:113716. [PMID: 36162374 DOI: 10.1016/j.biopha.2022.113716] [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: 08/09/2022] [Revised: 09/07/2022] [Accepted: 09/19/2022] [Indexed: 11/25/2022] Open
Abstract
UV rays constitute an extremely important environmental factor known to operate adaptative mechanisms that maintain biological homeostasis in the skin, adrenal glands, and the brain. The skin is extremely vulnerable to UV rays. UV rays deform collagen, the main component of elastic fibers, decreasing its normal function, and ultimately reducing skin's elasticity. We confirmed that psychological stress occurring during the early stages of UVB-irradiation degraded collagen function by inhibiting production rather than the decomposition of collagen, thereby promoting skin aging. UV irradiation for 0-2 weeks increased the level of a stress factor, corticosterone (CORT). High-performance liquid chromatography and western blot analysis confirmed that the increase was caused by enhanced CYP11B1/2 levels during steroid synthesis in the adrenal gland. Precursor levels decreased significantly during the two weeks of UV irradiation. Skin collagen and collagen fibers reduced drastically during this time. Furthermore, the administration of osilodrostat, a USFDA-approved drug that selectively inhibits CYP11B1/2, preserved skin collagen. The mechanism underlying the reduction of CORT by osilodrostat confirmed that the amount of skin collagen could be preserved with treatment. In addition, upon suppression of the CORT receptor, the amount of collagen was controlled, and skin aging was suppressed by the hypothalamic-pituitary-adrenal axis. Therefore, this study confirmed an inverse relationship between adrenal CYP11B1/2 levels and collagen during the initial stages of UV irradiation of the skin. The findings of this study may be useful for developing new detection mechanisms for aging, following their further verification.
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Affiliation(s)
- Hye-Sun Lim
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, 111 Geonjae-ro, Naju-si, Jeollanam-do 58245, the Republic of Korea
| | - Seung Hoon Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, Research Institute for Medical Science, Chungnam National University School of Medicine, 282 Munhwa-ro, Jung-gu, Daejeon 35015, the Republic of Korea
| | - Huiyun Seo
- Center for Genome Engineering, Institute for Basic Science, 55 Expo-ro, Yuseong-gu, Daejeon 34126, the Republic of Korea
| | - Hwi-Ho Lee
- Department of Cancer Biomedical Science, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang 10408, the Republic of Korea
| | - Kyeongno Yoon
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul 03080, the Republic of Korea
| | - Yong-Ung Kim
- Department of Pharmaceutical Engineering, College of Biomedical Science, Daegu Haany University, 290 Yugok-dong, Gyeongsan-si, Gyeongsangbuk-do 38610, the Republic of Korea
| | - Moon-Ki Park
- Department of Pharmaceutical Engineering, College of Biomedical Science, Daegu Haany University, 290 Yugok-dong, Gyeongsan-si, Gyeongsangbuk-do 38610, the Republic of Korea
| | - Jin Ho Chung
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul 03080, the Republic of Korea; Department of Dermatology, Seoul National University College of Medicine, Seoul 03080, the Republic of Korea; Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul 03080, the Republic of Korea; Institute on Aging, Seoul National University, Seoul 03080, the Republic of Korea
| | - Yong-Seok Lee
- Department of Physiology, Department of Biomedical Sciences, Neuroscience Research Institute, Seoul National University College of Medicine, Seoul 03080, the Republic of Korea
| | - Dong Hun Lee
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul 03080, the Republic of Korea; Department of Dermatology, Seoul National University College of Medicine, Seoul 03080, the Republic of Korea; Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul 03080, the Republic of Korea; Institute on Aging, Seoul National University, Seoul 03080, the Republic of Korea
| | - Gunhyuk Park
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, 111 Geonjae-ro, Naju-si, Jeollanam-do 58245, the Republic of Korea.
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