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Zhang L, Chai R, Tai Z, Miao F, Shi X, Chen Z, Zhu Q. Noval advance of histone modification in inflammatory skin diseases and related treatment methods. Front Immunol 2024; 14:1286776. [PMID: 38235133 PMCID: PMC10792063 DOI: 10.3389/fimmu.2023.1286776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 12/08/2023] [Indexed: 01/19/2024] Open
Abstract
Inflammatory skin diseases are a group of diseases caused by the disruption of skin tissue due to immune system disorders. Histone modification plays a pivotal role in the pathogenesis and treatment of chronic inflammatory skin diseases, encompassing a wide range of conditions, including psoriasis, atopic dermatitis, lupus, systemic sclerosis, contact dermatitis, lichen planus, and alopecia areata. Analyzing histone modification as a significant epigenetic regulatory approach holds great promise for advancing our understanding and managing these complex disorders. Additionally, therapeutic interventions targeting histone modifications have emerged as promising strategies for effectively managing inflammatory skin disorders. This comprehensive review provides an overview of the diverse types of histone modification. We discuss the intricate association between histone modification and prevalent chronic inflammatory skin diseases. We also review current and potential therapeutic approaches that revolve around modulating histone modifications. Finally, we investigated the prospects of research on histone modifications in the context of chronic inflammatory skin diseases, paving the way for innovative therapeutic interventions and improved patient outcomes.
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Affiliation(s)
- Lichen Zhang
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of External Chinese Medicine, Shanghai, China
| | - Rongrong Chai
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of External Chinese Medicine, Shanghai, China
| | - Zongguang Tai
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of External Chinese Medicine, Shanghai, China
| | - Fengze Miao
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of External Chinese Medicine, Shanghai, China
| | - Xinwei Shi
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of External Chinese Medicine, Shanghai, China
| | - Zhongjian Chen
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of External Chinese Medicine, Shanghai, China
| | - Quangang Zhu
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of External Chinese Medicine, Shanghai, China
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2
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Saito-Sasaki N, Sawada Y. S100 Proteins in the Pathogenesis of Psoriasis and Atopic Dermatitis. Diagnostics (Basel) 2023; 13:3167. [PMID: 37891988 PMCID: PMC10606049 DOI: 10.3390/diagnostics13203167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 10/03/2023] [Accepted: 10/07/2023] [Indexed: 10/29/2023] Open
Abstract
The skin, the outermost layer of the human body, is exposed to various external stimuli that cause inflammatory skin reactions. These external stimulants trigger external epithelial cell damage and the release of intracellular substances. Following cellular damage or death, intracellular molecules are released that enhance tissue inflammation. As an important substance released from damaged cells, the S100 protein is a low-molecular-weight acidic protein with two calcium-binding sites and EF-hand motif domains. S100 proteins are widely present in systemic organs and interact with other proteins. Recent studies revealed the involvement of S100 in cutaneous inflammatory disorders, psoriasis, and atopic dermatitis. This review provides detailed information on the interactions among various S100 proteins in inflammatory diseases.
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Affiliation(s)
| | - Yu Sawada
- Department of Dermatology, University of Occupational and Environmental Health, Kitakyushu 807-8555, Japan;
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3
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Liu L, Xue Y, Chen J, Li Y, Chen T, Pan X, Zhong J, Shao X, Chen Y, Chen J. DNA methylation profiling and integrative multi-omics analysis of skin samples reveal important contribution of epigenetics and immune response in the pathogenesis of acne vulgaris. Clin Immunol 2023; 255:109773. [PMID: 37717673 DOI: 10.1016/j.clim.2023.109773] [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: 03/21/2023] [Revised: 07/25/2023] [Accepted: 09/11/2023] [Indexed: 09/19/2023]
Abstract
The regulatory effect of DNA methylation on the pathogenesis of acne vulgaris is completely unknown. Herein we analyzed the DNA methylation profile in skin samples of acne vulgaris and further integrated it with gene expression profiles and single-cell RNA-sequencing data. Finally, 31,134 differentially methylated sites and 770 differentially methylated and expressed genes (DMEGs) were identified. The multi-omics analysis suggested the importance of DNA methylation in inflammation and immunity in acne. And DMEGs were verified in an external dataset and were closely related to early inflammatory acne. Additionally, we conducted experiments to verify the mRNA expression and DNA methylation level of DMEGs. This study supports the significant contribution of epigenetics to the pathogenesis of acne vulgaris and may provide new ideas for the molecular mechanisms of and potential therapeutic strategies for acne vulgaris.
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Affiliation(s)
- Lin Liu
- Department of Dermatology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yuzhou Xue
- Department of Cardiology and Institute of Vascular Medicine, Peking University Third Hospital, Beijing, China
| | - Jiayi Chen
- Department of Dermatology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yuxin Li
- Department of Dermatology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Tingqiao Chen
- Department of Dermatology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xingyu Pan
- Department of Dermatology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Judan Zhong
- Department of Dermatology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xinyi Shao
- Department of Dermatology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yangmei Chen
- Department of Dermatology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
| | - Jin Chen
- Department of Dermatology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
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4
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Hu Y, Lei L, Jiang L, Zeng H, Zhang Y, Fu C, Guo H, Dong Y, Ouyang Y, Zhang X, Huang J, Zeng Q, Chen J. LncRNA UCA1 promotes keratinocyte-driven inflammation via suppressing METTL14 and activating the HIF-1α/NF-κB axis in psoriasis. Cell Death Dis 2023; 14:279. [PMID: 37076497 PMCID: PMC10115875 DOI: 10.1038/s41419-023-05790-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 03/29/2023] [Accepted: 03/31/2023] [Indexed: 04/21/2023]
Abstract
Keratinocytes are closely associated with innate immunity and inflammatory responses, and are dysregulated during the development of psoriasis, but the underlying mechanisms are not yet fully understood. This work aims to reveal the effects of long non-coding RNA (lncRNA) UCA1 in psoriatic keratinocytes. UCA1 was identified as a psoriasis-related lncRNA that highly expressed in psoriatic lesions. The transcriptome and proteome data of keratinocyte cell line HaCaT showed that UCA1 could positively regulate inflammatory functions, such as response to cytokine. Furthermore, UCA1 silencing decreased inflammatory cytokine secretion and innate immunity gene expression in HaCaT, its culture supernatant also decreased the migration and tube formation ability of vascular endothelial cells (HUVECs). Mechanistically, UCA1 activated the NF-κB signaling pathway, which is regulated by HIF-1α and STAT3. We also observed a direct interaction between UCA1 and N6-methyladenosine (m6A) methyltransferase METTL14. Knocking down METTL14 counteracted the effects of UCA1 silencing, indicating that it can suppress inflammation. In addition, the levels of m6A-modified HIF-1α were decreased in psoriatic lesions, indicating that HIF-1α is a potential target of METTL14. Taken together, this work indicates that UCA1 positively regulates keratinocyte-driven inflammation and psoriasis development by binding to METTL14, and activating HIF-1α and NF-κB signaling pathway. Our findings provide new insights into the molecular mechanisms of keratinocyte-driven inflammation in psoriasis.
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Affiliation(s)
- Yibo Hu
- Department of Dermatology, the Third Xiangya Hospital, Central South University, No.138 Tongzipo Road, Changsha, Hunan, 410013, PR China
| | - Li Lei
- Department of Dermatology, the Third Xiangya Hospital, Central South University, No.138 Tongzipo Road, Changsha, Hunan, 410013, PR China
| | - Ling Jiang
- Department of Dermatology, the Third Xiangya Hospital, Central South University, No.138 Tongzipo Road, Changsha, Hunan, 410013, PR China
| | - Hongliang Zeng
- Center of Medical Laboratory Animal, Hunan Academy of Chinese Medicine, No.128 Yuehua Road, Changsha, Hunan, 410013, PR China
| | - Yushan Zhang
- Department of Dermatology, the Third Xiangya Hospital, Central South University, No.138 Tongzipo Road, Changsha, Hunan, 410013, PR China
| | - Chuhan Fu
- Department of Dermatology, the Third Xiangya Hospital, Central South University, No.138 Tongzipo Road, Changsha, Hunan, 410013, PR China
| | - Haoran Guo
- Department of Dermatology, the Third Xiangya Hospital, Central South University, No.138 Tongzipo Road, Changsha, Hunan, 410013, PR China
| | - Yumeng Dong
- Department of Dermatology, the Third Xiangya Hospital, Central South University, No.138 Tongzipo Road, Changsha, Hunan, 410013, PR China
| | - Yujie Ouyang
- Department of Dermatology, the Third Xiangya Hospital, Central South University, No.138 Tongzipo Road, Changsha, Hunan, 410013, PR China
| | - Xiaolin Zhang
- Department of Dermatology, the Third Xiangya Hospital, Central South University, No.138 Tongzipo Road, Changsha, Hunan, 410013, PR China
| | - Jinhua Huang
- Department of Dermatology, the Third Xiangya Hospital, Central South University, No.138 Tongzipo Road, Changsha, Hunan, 410013, PR China
| | - Qinghai Zeng
- Department of Dermatology, the Third Xiangya Hospital, Central South University, No.138 Tongzipo Road, Changsha, Hunan, 410013, PR China.
| | - Jing Chen
- Department of Dermatology, the Third Xiangya Hospital, Central South University, No.138 Tongzipo Road, Changsha, Hunan, 410013, PR China.
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5
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The Development of Systemic Inflammatory Diseases in Hidradenitis Suppurativa. Diagnostics (Basel) 2023; 13:diagnostics13030502. [PMID: 36766606 PMCID: PMC9914736 DOI: 10.3390/diagnostics13030502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 01/23/2023] [Accepted: 01/29/2023] [Indexed: 01/31/2023] Open
Abstract
It is understood that the skin is a peripheral lymphoid tissue that defends against external environmental stimuli. Continuous activation from these factors, on the other hand, promotes persistent inflammation at the local location and, occasionally, tissue damage. Hidradenitis suppurativa (HS) is a typical inflammatory skin disease and becomes a source of numerous inflammatory cytokines due to the chronic intractable repeated inflamed tissues. Because inflammatory cells and cytokines circulate throughout the body from the inflamed organ, it has been hypothesized that HS-mediated skin inflammation impacts the systemic functioning of numerous organs. Recent updates to clinical and experimental investigations revealed that HS has a significant connection with systemic inflammatory disorders. We provide the details and comprehensive molecular mechanisms associated with systemic inflammatory illnesses due to HS.
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6
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Mohammed FH, Cemic F, Hemberger J, Giri S. Biological skin regeneration using epigenetic targets. Drug Discov Today 2023; 28:103495. [PMID: 36681237 DOI: 10.1016/j.drudis.2023.103495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 01/10/2023] [Accepted: 01/13/2023] [Indexed: 01/20/2023]
Abstract
Epigenetics targets are the newest branches for building a novel platform of drugs for preventive and regenerative skin health care. Epigenetic regions [vascular endothelial growth factor (VEGF), epidermal growth factor receptor (EGFR), transforming growth factor beta (TGFβ), DNA methyltransferases (DNMTs), histone deacetylase 1/2 (HDAC1/2), and miRNA) are innovative druggable targets. As we discuss here, a series of epigenetic-based small molecules are undergoing both clinical and preclinical trials for skin regeneration. Epigenetic writers, eraser targets, and epigenetic readers will become the key therapeutic windows for skin regenerative in the near future.
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Affiliation(s)
- Fahad Hussain Mohammed
- Biomedical and Biotechnological Center (BBZ), University of Leipzig, Leipzig, Germany; Institute of Biochemical Engineering & Analysis, University of Applied Sciences, Giessen, Germany
| | - Franz Cemic
- Institute of Biochemical Engineering & Analysis, University of Applied Sciences, Giessen, Germany
| | - Jürgen Hemberger
- Institute of Biochemical Engineering & Analysis, University of Applied Sciences, Giessen, Germany
| | - Shibashish Giri
- Centre for Biotechnology and Biomedicine, Department of Cell Techniques and Applied Stem Cell Biology, University of Leipzig, Deutscher Platz 5, D-04103 Leipzig, Germany.
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7
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Marín-Tello C, Jintaridth P, Sanchez F, González C, Zelada-Castillo L, Vásquez-Arqueros A, Guevara-Vásquez A, Vieira A. Epigenetic regulation by metabolites from the gut microbiome. Benef Microbes 2022; 13:437-444. [PMID: 36377583 DOI: 10.3920/bm2022.0006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The gut microbiome can metabolise food components, such as dietary fibres and various phytochemicals; and the microbiome can also synthesise some nutrients, for example B vitamins. The metabolites produced by bacteria and other micro-organisms in the colon can have implications for health and disease risk. Some of these metabolites are epigenetically active, and can contribute to changes in the chemical modification and structure of chromatin by affecting the activity and expression of epigenetically-active enzymes, for example histone deacetylases and DNA methyltransferases. The epigenetic activity of such gut microbiome metabolites is reviewed herein.
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Affiliation(s)
- C Marín-Tello
- Food, Metabolism, and Physiology Laboratory, Facultad de Farmacia y Bioquímica, Universidad Nacional de Trujillo, Trujillo 13008, Perú
| | - P Jintaridth
- Department of Tropical Nutrition and Food Science, The Faculty of Tropical Medicine, Mahidol University, 420/6 Rachavithi Road, Rachathevi, Payatai, Bangkok 10400, Thailand
| | - F Sanchez
- Instituto De Educacion Superior Tecnológico Público, 103, Lonya Grande 01556, Perú
| | - C González
- CITE Agroindustrial Chavimochic, Virú 044, Perú
| | - L Zelada-Castillo
- Food, Metabolism, and Physiology Laboratory, Facultad de Farmacia y Bioquímica, Universidad Nacional de Trujillo, Trujillo 13008, Perú
| | - A Vásquez-Arqueros
- Food, Metabolism, and Physiology Laboratory, Facultad de Farmacia y Bioquímica, Universidad Nacional de Trujillo, Trujillo 13008, Perú
| | - A Guevara-Vásquez
- Food, Metabolism, and Physiology Laboratory, Facultad de Farmacia y Bioquímica, Universidad Nacional de Trujillo, Trujillo 13008, Perú
| | - A Vieira
- Nutrition and Metabolism Research Laboratory, BPK-9625, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V5A 1S6, Canada
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8
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Lei L, Jiang L, Hu Y, Chen M, Huang J, Chen J, Zeng Q. The comprehensive assessment of epigenetics changes during skin development. FUNDAMENTAL RESEARCH 2022. [DOI: 10.1016/j.fmre.2022.08.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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9
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MDFNet: application of multimodal fusion method based on skin image and clinical data to skin cancer classification. J Cancer Res Clin Oncol 2022:10.1007/s00432-022-04180-1. [PMID: 35918465 DOI: 10.1007/s00432-022-04180-1] [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: 05/15/2022] [Accepted: 06/27/2022] [Indexed: 10/16/2022]
Abstract
PURPOSE Skin cancer is one of the ten most common cancer types in the world. Early diagnosis and treatment can effectively reduce the mortality of patients. Therefore, it is of great significance to develop an intelligent diagnosis system for skin cancer. According to the survey, at present, most intelligent diagnosis systems of skin cancer only use skin image data, but the multi-modal cross-fusion analysis using image data and patient clinical data is limited. Therefore, to further explore the complementary relationship between image data and patient clinical data, we propose multimode data fusion diagnosis network (MDFNet), a framework for skin cancer based on data fusion strategy. METHODS MDFNet establishes an effective mapping among heterogeneous data features, effectively fuses clinical skin images and patient clinical data, and effectively solves the problems of feature paucity and insufficient feature richness that only use single-mode data. RESULTS The experimental results present that our proposed smart skin cancer diagnosis model has an accuracy of 80.42%, which is an improvement of about 9% compared with the model accuracy using only medical images, thus effectively confirming the unique fusion advantages exhibited by MDFNet. CONCLUSIONS This illustrates that MDFNet can not only be applied as an effective auxiliary diagnostic tool for skin cancer diagnosis, help physicians improve clinical decision-making ability and effectively improve the efficiency of clinical medicine diagnosis, but also its proposed data fusion method fully exerts the advantage of information convergence and has a certain reference value for the intelligent diagnosis of numerous clinical diseases.
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10
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Intense pulsed light treatment for inflammatory skin diseases: a review. Lasers Med Sci 2022; 37:3085-3105. [PMID: 35913536 DOI: 10.1007/s10103-022-03620-1] [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: 03/11/2022] [Accepted: 07/26/2022] [Indexed: 10/16/2022]
Abstract
Although intense pulsed light (IPL) has been commonly used in the field of medical cosmetics in recent years, the exact outcomes of IPL in the treatment of inflammatory skin diseases remain unclear. To assess the clinical evidence for the use of IPL in the treatment of various inflammatory skin diseases and propose evidence-based recommendations, we searched for relevant publications in the PubMed and Web of Science databases and provided updated information. The inflammatory skin diseases treated with IPL consisted of acne vulgaris, rosacea, psoriasis, hidradenitis suppurativa (HS), atopic dermatitis (AD), Riehl's melanosis, lupus erythematosus, cutaneous sarcoidosis, pilonidal cysts, and pigmented actinic lichen planus (PALP). The efficacy of IPL treatment for these inflammatory skin diseases was described and evaluated. Forty-two studies were included to provide this assessment. The evidence suggests that IPL can effectively and safely improve acne vulgaris and rosacea (recommendation grade B). For other described inflammatory skin diseases, IPL can be used as a tentative or supplementary treatment (recommendation grade C and D). The main complications include transitory erythema, edema, and pain, with the possibility of hyperpigmentation, blisters, and a burning sensation in some individuals.
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11
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Influence of S100A2 in Human Diseases. Diagnostics (Basel) 2022; 12:diagnostics12071756. [PMID: 35885660 PMCID: PMC9316160 DOI: 10.3390/diagnostics12071756] [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: 06/07/2022] [Revised: 07/13/2022] [Accepted: 07/19/2022] [Indexed: 11/18/2022] Open
Abstract
S100 proteins are a family of low-molecular-weight proteins characterized by two calcium-binding sites with a helix-loop-helix (“EF-hand-type”) domain. The S100 family of proteins is distributed across various organs and can interact with diverse molecules. Among the proteins of the S100 family, S100 calcium-binding protein A2 (S100A2) has been identified in mammary epithelial cells, glands, lungs, kidneys, and prostate gland, exhibiting various physiological and pathological actions in human disorders, such as inflammatory diseases and malignant tumors. In this review, we introduce basic knowledge regarding S100A2 regulatory mechanisms. Although S100A2 is a tumor suppressor, we describe the various influences of S100A2 on cancer and inflammatory diseases.
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12
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Psoriasis and Systemic Inflammatory Disorders. Int J Mol Sci 2022; 23:ijms23084457. [PMID: 35457278 PMCID: PMC9028262 DOI: 10.3390/ijms23084457] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/12/2022] [Accepted: 04/15/2022] [Indexed: 01/27/2023] Open
Abstract
Psoriasis is a representative inflammatory skin disease occupied by large surface involvement. As inflammatory cells and cytokines can systemically circulate in various organs, it has been speculated that psoriatic skin inflammation influences the systemic dysfunction of various organs. Recent updates of clinical studies and experimental studies showed the important interaction of psoriasis to systemic inflammatory diseases. Furthermore, the importance of systemic therapy in severe psoriasis is also highlighted to prevent the development of systemic inflammatory diseases. In this review, we introduced representative systemic inflammatory diseases associated with psoriasis and the detailed molecular mechanisms.
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13
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Hara N, Sawada Y. Epigenetics of Cutaneous T-Cell Lymphomas. Int J Mol Sci 2022; 23:ijms23073538. [PMID: 35408897 PMCID: PMC8998216 DOI: 10.3390/ijms23073538] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 03/16/2022] [Accepted: 03/23/2022] [Indexed: 02/05/2023] Open
Abstract
Epigenetic modifications rarely occur in isolation (as single “epigenetic modifications”). They usually appear together and form a network to control the epigenetic system. Cutaneous malignancies are usually affected by epigenetic changes. However, there is limited knowledge regarding the epigenetic changes associated with cutaneous lymphomas. In this review, we focused on cutaneous T-cell lymphomas such as mycosis fungoides, Sézary syndrome, and anaplastic large cell lymphoma. With regard to epigenetic changes, we summarize the detailed chemical modifications categorized into DNA methylation and histone acetylation and methylation. We also summarize the epigenetic modifications and characteristics of the drug for cutaneous T-cell lymphoma (CTCL). Furthermore, we discuss current research on epigenetic-targeted therapy against cutaneous T-cell lymphomas. Although the current method of treatment with histone deacetylase inhibitors does not exhibit sufficient therapeutic benefits in all cases of CTCL, epigenetic-targeted combination therapy might overcome this limitation for patients with CTCL.
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14
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Maresin-1 and Inflammatory Disease. Int J Mol Sci 2022; 23:ijms23031367. [PMID: 35163291 PMCID: PMC8835953 DOI: 10.3390/ijms23031367] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 01/24/2022] [Accepted: 01/24/2022] [Indexed: 11/17/2022] Open
Abstract
Inflammation is an essential action to protect the host human body from external, harmful antigens and microorganisms. However, an excessive inflammation reaction sometimes exceeds tissue damage and can disrupt organ functions. Therefore, anti-inflammatory action and resolution mechanisms need to be clarified. Dietary foods are an essential daily lifestyle that influences various human physiological processes and pathological conditions. Especially, omega-3 fatty acids in the diet ameliorate chronic inflammatory skin diseases. Recent studies have identified that omega-3 fatty acid derivatives, such as the resolvin series, showed strong anti-inflammatory actions in various inflammatory diseases. Maresin-1 is a derivative of one of the representative omega-3 fatty acids, i.e., docosahexaenoic acid (DHA), and has shown beneficial action in inflammatory disease models. In this review, we summarize the detailed actions of maresin-1 in immune cells and inflammatory diseases.
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15
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Nanamori H, Sawada Y. Epigenetic Modification of PD-1/PD-L1-Mediated Cancer Immunotherapy against Melanoma. Int J Mol Sci 2022; 23:ijms23031119. [PMID: 35163049 PMCID: PMC8835029 DOI: 10.3390/ijms23031119] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/10/2022] [Accepted: 01/19/2022] [Indexed: 02/06/2023] Open
Abstract
Malignant melanoma is one of the representative skin cancers with unfavorable clinical behavior. Immunotherapy is currently used for the treatment, and it dramatically improves clinical outcomes in patients with advanced malignant melanoma. On the other hand, not all these patients can obtain therapeutic efficacy. To overcome this limitation of current immunotherapy, epigenetic modification is a highlighted issue for clinicians. Epigenetic modification is involved in various physiological and pathological conditions in the skin. Recent studies identified that skin cancer, especially malignant melanoma, has advantages in tumor development, indicating that epigenetic manipulation for regulation of gene expression in the tumor can be expected to result in additional therapeutic efficacy during immunotherapy. In this review, we focus on the detailed molecular mechanism of epigenetic modification in immunotherapy, especially anti-PD-1/PD-L1 antibody treatment for malignant melanoma.
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16
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Minokawa Y, Sawada Y, Nakamura M. Lifestyle Factors Involved in the Pathogenesis of Alopecia Areata. Int J Mol Sci 2022; 23:ijms23031038. [PMID: 35162962 PMCID: PMC8835065 DOI: 10.3390/ijms23031038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/07/2022] [Accepted: 01/17/2022] [Indexed: 12/27/2022] Open
Abstract
Alopecia areata is a representative inflammatory skin disease that is associated with various environmental stimuli. While psychological stress is believed to be a major pathogenetic trigger in alopecia areata, infants and newborns also suffer from the disease, suggesting the possible presence of other environmental factors. Daily lifestyle is well known to be involved in various inflammatory diseases and influences the severity of inflammatory skin diseases. However, only a limited number of studies have summarized these influences on alopecia areata. In this review article, we summarize lifestyle factor-related influences on the pathogenesis of alopecia areata and focus on environmental factors, such as smoking, alcohol consumption, sleep, obesity, fatty acids, and gluten consumption.
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17
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Epigenetics of Cutaneous Sarcoma. Int J Mol Sci 2021; 23:ijms23010422. [PMID: 35008848 PMCID: PMC8745302 DOI: 10.3390/ijms23010422] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/25/2021] [Accepted: 12/28/2021] [Indexed: 12/13/2022] Open
Abstract
Epigenetic changes influence various physiological and pathological conditions in the human body. Recent advances in epigenetic studies of the skin have led to an appreciation of the importance of epigenetic modifications in skin diseases. Cutaneous sarcomas are intractable skin cancers, and there are no curative therapeutic options for the advanced forms of cutaneous sarcomas. In this review, we discuss the detailed molecular effects of epigenetic modifications on skin sarcomas, such as dermatofibrosarcoma protuberans, angiosarcoma, Kaposi's sarcoma, leiomyosarcoma, and liposarcoma. We also discuss the application of epigenetic-targeted therapy for skin sarcomas.
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18
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Sugino H, Sawada Y, Nakamura M. A subcutaneous abscess following anti‐programmed cell death 1/programmed death‐ligand 1 antibody treatment for lung cancer. JOURNAL OF CUTANEOUS IMMUNOLOGY AND ALLERGY 2021. [DOI: 10.1002/cia2.12219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Hitomi Sugino
- Department of Dermatology University of Occupational and Environmental Health Kiyakyushu Japan
| | - Yu Sawada
- Department of Dermatology University of Occupational and Environmental Health Kiyakyushu Japan
| | - Motonobu Nakamura
- Department of Dermatology University of Occupational and Environmental Health Kiyakyushu Japan
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19
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Minokawa Y, Sawada Y, Nakamura M. The Influences of Omega-3 Polyunsaturated Fatty Acids on the Development of Skin Cancers. Diagnostics (Basel) 2021; 11:2149. [PMID: 34829495 PMCID: PMC8620049 DOI: 10.3390/diagnostics11112149] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 11/16/2021] [Accepted: 11/18/2021] [Indexed: 12/16/2022] Open
Abstract
Dietary nutrition intake is essential for human beings and influences various physiological and pathological actions in the human body. Among various nutritional factors, dietary intake of omega-3 polyunsaturated fatty acids (PUFAs) has been shown to have various beneficial effects against inflammatory diseases. In addition to their therapeutic potency against inflammation, omega-3 PUFAs have also been shown to have anti-tumor effects via various mechanisms, such as cell arrest and apoptosis. To date, limited information is available on these effects in cutaneous malignancies. In this review, we focused on the effect of omega-3 PUFAs on skin cancers, especially malignant melanoma, basal cell carcinoma, lymphoma, and squamous cell carcinoma and discussed the detailed molecular mechanism of the omega-3 PUFA-mediated anti-tumor response. We also explored the molecular mechanisms mediated by epigenetic modifications, cell adhesion molecules, and anti-tumor immune responses.
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Affiliation(s)
| | - Yu Sawada
- Department of Dermatology, University of Occupational and Environmental Health, 1-1, Iseigaoka, Yahatanishi-Ku, Kitakyushu 807-8555, Japan; (Y.M.); (M.N.)
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20
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STING Signaling and Skin Cancers. Cancers (Basel) 2021; 13:cancers13225603. [PMID: 34830754 PMCID: PMC8615888 DOI: 10.3390/cancers13225603] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/03/2021] [Accepted: 11/08/2021] [Indexed: 12/15/2022] Open
Abstract
Recent developments in immunotherapy against malignancies overcome the disadvantages of traditional systemic treatments; however, this immune checkpoint treatment is not perfect and cannot obtain a satisfactory clinical outcome in all cases. Therefore, an additional therapeutic option for malignancy is needed in oncology. Stimulator of interferon genes (STING) has recently been highlighted as a strong type I interferon driver and shows anti-tumor immunity against various malignancies. STING-targeted anti-tumor immunotherapy is expected to enhance the anti-tumor effects and clinical outcomes of immunotherapy against malignancies. In this review, we focus on recent advancements in the knowledge gained from research on STING signaling in skin cancers. In addition to the limitations of STING-targeted immunotherapy, we also discuss the clinical application of STING agonists in the treatment of skin cancer.
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21
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Wada A, Sawada Y, Sugino H, Nakamura M. Angioedema and Fatty Acids. Int J Mol Sci 2021; 22:ijms22169000. [PMID: 34445711 PMCID: PMC8396478 DOI: 10.3390/ijms22169000] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/13/2021] [Accepted: 08/19/2021] [Indexed: 12/13/2022] Open
Abstract
Angioedema is a life-threatening emergency event that is associated with bradykinin and histamine-mediated cascades. Although bradykinin-mediated angioedema currently has specific therapeutic options, angioedema is sometimes intractable with current treatments, especially histamine-mediated angioedema, suggesting that some other mediators might contribute to the development of angioedema. Fatty acids are an essential fuel and cell component, and act as a mediator in physiological and pathological human diseases. Recent updates of studies revealed that these fatty acids are involved in vascular permeability and vasodilation, in addition to bradykinin and histamine-mediated reactions. This review summarizes each fatty acid’s function and the specific receptor signaling responses in blood vessels, and focuses on the possible pathogenetic role of fatty acids in angioedema.
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22
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Yoshioka M, Sawada Y, Nakamura M. Diagnostic Tools and Biomarkers for Severe Drug Eruptions. Int J Mol Sci 2021; 22:ijms22147527. [PMID: 34299145 PMCID: PMC8306321 DOI: 10.3390/ijms22147527] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/09/2021] [Accepted: 07/11/2021] [Indexed: 12/19/2022] Open
Abstract
In accordance with the development of human technology, various medications have been speedily developed in the current decade. While they have beneficial impact on various diseases, these medications accidentally cause adverse reactions, especially drug eruption. This delayed hypersensitivity reaction in the skin sometimes causes a life-threatening adverse reaction, namely Stevens-Johnson syndrome and toxic epidermal necrolysis. Therefore, how to identify these clinical courses in early time points is a critical issue. To improve this problem, various biomarkers have been found for these severe cutaneous adverse reactions through recent research. Granulysin, Fas ligands, perforin, and granzyme B are recognized as useful biomarkers to evaluate the early onset of Stevens-Johnson syndrome and toxic epidermal necrolysis, and other biomarkers, such as miRNAs, high mobility group box 1 protein (HMGB1), and S100A2, which are also helpful to identify the severe cutaneous adverse reactions. Because these tools have been currently well developed, updates of the knowledge in this field are necessary for clinicians. In this review, we focused on the detailed biomarkers and diagnostic tools for drug eruption and we also discussed the actual usefulness of these biomarkers in the clinical aspects based on the pathogenesis of drug eruption.
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23
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IgA Vasculitis: Etiology, Treatment, Biomarkers and Epigenetic Changes. Int J Mol Sci 2021; 22:ijms22147538. [PMID: 34299162 PMCID: PMC8307949 DOI: 10.3390/ijms22147538] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 07/12/2021] [Indexed: 02/06/2023] Open
Abstract
IgA, previously called Henoch-Schönlein vasculitis, is an essential immune component that drives the host immune response to the external environment. As IgA has the unique characteristic of a flexible response to broad types of microorganisms, it sometimes causes an autoreactive response in the host human body. IgA vasculitis and related organ dysfunction are representative IgA-mediated autoimmune diseases; bacterial and viral infections often trigger IgA vasculitis. Recent drug developments and the presence of COVID-19 have revealed that these agents can also trigger IgA vasculitis. These findings provide a novel understanding of the pathogenesis of IgA vasculitis. In this review, we focus on the characteristics of IgA and symptoms of IgA vasculitis and other organ dysfunction. We also mention the therapeutic approach, biomarkers, novel triggers for IgA vasculitis, and epigenetic modifications in patients with IgA vasculitis.
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Chinnappan M, Harris-Tryon TA. Novel mechanisms of microbial crosstalk with skin innate immunity. Exp Dermatol 2021; 30:1484-1495. [PMID: 34252227 DOI: 10.1111/exd.14429] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 06/28/2021] [Accepted: 07/06/2021] [Indexed: 12/12/2022]
Abstract
Skin is an organ with a dynamic ecosystem that harbours pathogenic and commensal microbes, which constantly communicate amongst each other and with the host immune system. Evolutionarily, skin and its microbiota have evolved to remain in homeostasis. However, frequently this homeostatic relationship is disturbed by a variety of factors such as environmental stress, diet, genetic mutations, and the microbiome itself. Commensal microbes also play a major role in the maintenance of microbial homeostasis. In addition to their ability to limit pathogens, many skin commensals such as Staphylococcus epidermidis and Cutibacterium acnes have recently been implicated in disease pathogenesis either by directly modulating the host immune components or by supporting the expansion of other pathogenic microbes. Likewise, opportunistic skin pathogens such as Staphylococcus aureus and Staphylococcus lugdunensis are able to breach the skin and cause disease. Though much has been established about the microbiota's function in skin immunity, we are in a time where newer mechanistic insights rapidly redefine our understanding of the host/microbial interface in the skin. In this review, we provide a concise summary of recent advances in our understanding of the interplay between host defense strategies and the skin microbiota.
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Affiliation(s)
- Mahendran Chinnappan
- Department of Dermatology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Tamia A Harris-Tryon
- Department of Dermatology, University of Texas Southwestern Medical Center, Dallas, TX, USA.,Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX, USA
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25
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Ohmori S, Sawada Y, Saito-Sasaki N, Sato S, Minokawa Y, Sugino H, Nanamori H, Yamamoto K, Okada E, Nakamura M. A Positive Dermcidin Expression Is an Unfavorable Prognostic Marker for Extramammary Paget's Disease. Diagnostics (Basel) 2021; 11:diagnostics11061086. [PMID: 34198581 PMCID: PMC8231974 DOI: 10.3390/diagnostics11061086] [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: 05/08/2021] [Revised: 06/08/2021] [Accepted: 06/11/2021] [Indexed: 11/16/2022] Open
Abstract
Extramammary Paget’s disease is recognized as an apocrine-origin cutaneous tumor and is localized in the intraepithelial skin lesion. However, its advanced form is intractable, and there is currently no therapeutic option with a satisfactory level of clinical outcome. Therefore, it is of great importance to identify a potential biomarker to estimate tumor advancement in extramammary Paget’s disease. Dermcidin is an antimicrobial peptide derived from the eccrine gland and is identified as a biomarker in various malignancies. To investigate the potential of dermcidin in extramammary Paget’s disease, we investigated dermcidin expression in tumors using the immunostaining technique. Although previous studies have reported that extramammary Paget’s disease has no positive staining against dermcidin, 14 out of 60 patients showed positive staining of dermcidin in our study. To clarify the characteristics of positive dermcidin in extramammary Paget’s disease, we investigated the clinical characteristics of positive dermcidin extramammary Paget’s disease patients. Positive dermcidin patients showed a significantly high frequency of lymph node metastasis. We next investigated the impact of positive dermcidin on overall survival. Univariate analysis identified that positive dermcidin showed a significantly increased hazard ratio in overall survival, suggesting that dermcidin might be a prognostic factor for extramammary Paget’s disease.
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Affiliation(s)
| | - Yu Sawada
- Correspondence: ; Tel.: +81-093-691-7445
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Sawada Y, Nakamura M. Daily Lifestyle and Cutaneous Malignancies. Int J Mol Sci 2021; 22:5227. [PMID: 34069297 PMCID: PMC8156459 DOI: 10.3390/ijms22105227] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 05/09/2021] [Accepted: 05/13/2021] [Indexed: 12/11/2022] Open
Abstract
Daily lifestyle is a fundamental part of human life and its influence accumulates daily in the human body. We observe that a good daily lifestyle has a beneficial impact on our health; however, the actual effects of individual daily lifestyle factors on human skin diseases, especially skin cancers, have not been summarized. In this review, we focused on the influence of daily lifestyle on the development of skin cancer and described the detailed molecular mechanisms of the development or regulation of cutaneous malignancies. Several daily lifestyle factors, such as circadian rhythm disruption, smoking, alcohol, fatty acids, dietary fiber, obesity, and ultraviolet light, are known to be associated with the risk of cutaneous malignancies, malignant melanoma, squamous cell carcinoma, basal cell carcinoma, and Merkel cell carcinoma. Although the influence of some daily lifestyles on the risk of skin cancers is controversial, this review provides us a better understanding of the relationship between daily lifestyle factors and skin cancers.
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Affiliation(s)
- Yu Sawada
- Department of Dermatology, University of Occupational and Environmental Health 1-1, Iseigaoka, Yahatanishi-ku, Kitakyushu, Fukuoka 807-8555, Japan;
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Sawada Y, Saito-Sasaki N, Mashima E, Nakamura M. Daily Lifestyle and Inflammatory Skin Diseases. Int J Mol Sci 2021; 22:ijms22105204. [PMID: 34069063 PMCID: PMC8156947 DOI: 10.3390/ijms22105204] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 05/09/2021] [Accepted: 05/12/2021] [Indexed: 12/13/2022] Open
Abstract
Throughout life, it is necessary to adapt to the Earth’s environment in order to survive. A typical example of this is that the daily Earth cycle is different from the circadian rhythm in human beings; however, the ability to adapt to the Earth cycle has contributed to the development of human evolution. In addition, humans can consume and digest Earth-derived foods and use luxury materials for nutrition and enrichment of their lives, as an adaptation to the Earth’s environment. Recent studies have shown that daily lifestyles are closely related to human health; however, less attention has been paid to the fact that obesity due to excessive energy intake, smoking, and alcohol consumption contributes to the development of inflammatory skin diseases. Gluten or wheat protein, smoking and alcohol, sleep disturbance, and obesity drive the helper T (Th)1/Th2/Th17 immune response, whereas dietary fiber and omega-3 fatty acids negatively regulate inflammatory cytokine production. In this review, we have focused on daily lifestyles and the mechanisms involved in the pathogenesis of inflammatory skin diseases.
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Mashima E, Sawada Y, Nakamura M. Recent Advancement in Atypical Lipomatous Tumor Research. Int J Mol Sci 2021; 22:994. [PMID: 33498189 PMCID: PMC7863944 DOI: 10.3390/ijms22030994] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 01/12/2021] [Accepted: 01/18/2021] [Indexed: 02/07/2023] Open
Abstract
After Evans and colleagues identified the lipomatous tumor with a well-differentiated liposarcoma in a subcutaneous location or within a muscle layer, namely, atypical lipomatous tumor (ALT), this malignancy has been investigated to clarify the characteristics of clinical behavior and genomic changes. As one of the important issues for clinicians, it is a hot topic of how to distinguish ALT from benign lipoma in the clinical aspect. Recent studies revealed novel findings to clarify the risk factor for the diagnosis of ALT and molecular targets for the treatment of ALT. Clinical characteristics of superficial-type ALT well reflect the subcutaneous location of the tumor and are slightly different compared to deep-type ALT, such as tumor size. In addition, there has been a recent discovery of novel findings in ALT-related genes, namely, HMG2A (high mobility group protein 2a), YEATS4 (YEATS domain containing 4), and CPM (Carboxypeptidase M). Recent updates on treatment for advanced ALT are well developed including immunotherapy and conducting clinical trials. Finally, this review introduces one of the hot topics of ALT research focused on epigenetic changes: their attention in recent updates on clinical characteristics and the novel discovery of related genes, treatment, and epigenetic modifications in atypical lipomatous tumors.
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Affiliation(s)
| | - Yu Sawada
- Department of Dermatology, University of Occupational and Environmental Health, 1-1, Iseigaoka, Yahatanishi-Ku, Kitakyushu, Fukuoka 807-8555, Japan; (E.M.); (M.N.)
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Sawada Y, Mashima E, Saito-Sasaki N, Nakamura M. The Role of Cell Adhesion Molecule 1 (CADM1) in Cutaneous Malignancies. Int J Mol Sci 2020; 21:E9732. [PMID: 33419290 PMCID: PMC7766610 DOI: 10.3390/ijms21249732] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/11/2020] [Accepted: 12/16/2020] [Indexed: 12/22/2022] Open
Abstract
Cell adhesion ability is one of the components to establish cell organization and shows a great contribution to human body construction consisting of various types of cells mixture to orchestrate tissue specific function. The cell adhesion molecule 1 (CADM1) is a molecule of cell adhesion with multiple functions and has been identified as a tumor suppressor gene. CADM1 has multifunctions on the pathogenesis of malignancies, and other normal cells such as immune cells. However, little is known about the function of CADM1 on cutaneous cells and cutaneous malignancies. CADM1 plays an important role in connecting cells with each other, contacting cells to deliver their signal, and acting as a scaffolding molecule for other immune cells to develop their immune responses. A limited number of studies reveal the contribution of CADM1 on the development of cutaneous malignancies. Solid cutaneous malignancies, such as cutaneous squamous cell carcinoma and malignant melanoma, reduce their CADM1 expression to promote the invasion and metastasis of the tumor. On the contrary to these cutaneous solid tumors except for Merkel cell carcinoma, cutaneous lymphomas, such as adult-T cell leukemia/lymphoma, mycosis fungoides, and Sézary syndrome, increase their CADM1 expression for the development of tumor environment. Based on the role of CADM1 in the etiology of tumor development, the theory of CADM1 contribution will desirably be applied to skin tumors according to other organ malignancies, however, the characteristics of skin as a multicomponent peripheral organ should be kept in mind to conclude their prognoses.
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Affiliation(s)
- Yu Sawada
- Department of Dermatology, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushu 807-8555, Japan; (E.M.); (N.S.-S.); (M.N.)
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