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Ain NU, Khan B, Zhu K, Ji W, Tian H, Yu X, Yi L, Li D, Zhang Z. Fabrication of mesoporous silica nanoparticles for releasable delivery of licorice polysaccharide at the acne site in topical application. Carbohydr Polym 2024; 339:122250. [PMID: 38823917 DOI: 10.1016/j.carbpol.2024.122250] [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: 01/30/2024] [Revised: 05/05/2024] [Accepted: 05/08/2024] [Indexed: 06/03/2024]
Abstract
Glycyrrhizae Radix et rhizome/licorice is a precious herb in traditional Chinese medicine (TCM). TCM's polysaccharides are medicinally active. But herbal polysaccharides pose some limitations for topical applications. Therefore, this study aimed to utilize licorice polysaccharide via mesoporous silica nanoparticles (MSN) for anti-acne efficacy in topical delivery. The polysaccharide (GGP) was extracted with a 10 % NaOH solution. Chemical characterization suggested that GGP possesses an Mw of 267.9 kDa, comprised primarily of Glc (54.1 %) and Ara (19.12 %), and probably 1,4-linked Glc as a backbone. Then, MSN and amino-functionalized MSN were synthesized, GGP entrapped, and coated with polydopamine (PDA) to produce nanoparticle cargo. The resulted product exhibited 76 % entrapment efficiency and an in vitro release of 89 % at pH 5, which is usually an acne-prone skin's pH. Moreover, it significantly increased Sebocytes' cellular uptake. GGP effectively acted as an anti-acne agent and preserved its efficacy in synthesized nanoparticles. In vivo, the results showed that a 20 % gel of MSN-NH2-GGP@PDA could mediate an inflammatory response via inhibiting pro-inflammatory cytokines and regulating anti-inflammatory cytokines. The MSN-NH2-GGP@PDA inhibited TLR2-activated-MAPK and NF-κB pathway triggered by heat-killed P. acnes. In conclusion, fabricated MSN entrapped GGP for biomimetic anti-acne efficacy in topical application.
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Affiliation(s)
- Noor Ul Ain
- College of Pharmaceutical Sciences, Soochow University, Suzhou 215021, PR China
| | - Bibimaryam Khan
- School of Medicine, Jiangsu University, Zhenjiang 212013, PR China
| | - Kehan Zhu
- College of Pharmaceutical Sciences, Soochow University, Suzhou 215021, PR China
| | - Wen Ji
- College of Pharmaceutical Sciences, Soochow University, Suzhou 215021, PR China
| | - He Tian
- College of Pharmaceutical Sciences, Soochow University, Suzhou 215021, PR China
| | - Xiaoxiao Yu
- College of Pharmaceutical Sciences, Soochow University, Suzhou 215021, PR China
| | - Lin Yi
- College of Pharmaceutical Sciences, Soochow University, Suzhou 215021, PR China.
| | - Duxin Li
- College of Pharmaceutical Sciences, Soochow University, Suzhou 215021, PR China.
| | - Zhenqing Zhang
- College of Pharmaceutical Sciences, Soochow University, Suzhou 215021, PR China.
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2
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Wei Z, Gao M, Liu Y, Zeng R, Liu J, Sun S, Li S, Hu L, Xiang R, Mo R, Song Z, Chen Z, Bao D, Hua D, Zouboulis CC, Feng Y, Li J, Yang Y. TRPV3 promotes sebocyte inflammation via transcriptional modulating TLR2 in acne. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167195. [PMID: 38648901 DOI: 10.1016/j.bbadis.2024.167195] [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: 02/25/2024] [Revised: 04/08/2024] [Accepted: 04/17/2024] [Indexed: 04/25/2024]
Abstract
Acne is a common chronic inflammatory disease of the pilosebaceous unit. Transient receptor potential vanilloid 3 (TRPV3) is an ion channel that is involved in inflammatory dermatosis development. However, the involvement of TRPV3 in acne-related inflammation remains unclear. Here, we used acne-like mice and human sebocytes to examine the role of TRPV3 in the development of acne. We found that TRPV3 expression increased in the skin lesions of Propionibacterium acnes (P. acnes)-injected acne-like mice and the facial sebaceous glands (SGs) of acne patients. TRPV3 promoted inflammatory cytokines and chemokines secretion in human sebocytes and led to neutrophil infiltration surrounding the SGs in acne lesions, further exacerbating sebaceous inflammation and participating in acne development. Mechanistically, TRPV3 enhanced TLR2 level by promoting transcriptional factor phosphorylated-FOS-like antigen-1 (p-FOSL1) expression and its binding to the TLR2 promoter, leading to TLR2 upregulation and downstream NF-κB signaling activation. Genetic or pharmacological inhibition of TRPV3 both alleviated acne-like skin inflammation in mice via the TLR2-NF-κB axis. Thus, our study revealed the critical role of TRPV3 in sebaceous inflammation and indicated its potential as an acne therapeutic target.
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Affiliation(s)
- Ziyu Wei
- Genetic Skin Disease Center, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Meng Gao
- Genetic Skin Disease Center, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Yihe Liu
- Genetic Skin Disease Center, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Rong Zeng
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, Jiangsu, China
| | - Juan Liu
- Department of Dermatology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Shuya Sun
- Genetic Skin Disease Center, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Siyuan Li
- Genetic Skin Disease Center, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Linghan Hu
- Genetic Skin Disease Center, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Ruiyu Xiang
- Genetic Skin Disease Center, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Ran Mo
- Genetic Skin Disease Center, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Zhongya Song
- Genetic Skin Disease Center, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Zhiming Chen
- Genetic Skin Disease Center, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Dan Bao
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, Jiangsu, China
| | - Di Hua
- Genetic Skin Disease Center, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Christos C Zouboulis
- Departments of Dermatology, Venereology, Allergology and Immunology, Staedtisches Klinikum Dessau, Brandenburg Medical School Theodor Fontane, Faculty of Health Sciences Brandenburg, Dessau, Germany
| | - Yanyan Feng
- Department of Dermatology, Chengdu Second People's Hospital, Chengdu, Sichuan, China
| | - Ji Li
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yong Yang
- Genetic Skin Disease Center, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China.
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3
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Cao H, Li W, Zhang H, Hong L, Feng X, Gao X, Li H, Lv N, Liu M. Bio-nanoparticles loaded with synovial-derived exosomes ameliorate osteoarthritis progression by modifying the oxidative microenvironment. J Nanobiotechnology 2024; 22:271. [PMID: 38769545 PMCID: PMC11103857 DOI: 10.1186/s12951-024-02538-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 05/09/2024] [Indexed: 05/22/2024] Open
Abstract
BACKGROUND AND AIMS Osteoarthritis (OA) is a prevalent degenerative joint disorder, marked by the progressive degeneration of joint cartilage, synovial inflammation, and subchondral bone hyperplasia. The synovial tissue plays a pivotal role in cartilage regulation. Exosomes (EXOs), small membrane-bound vesicles released by cells into the extracellular space, are crucial in mediating intercellular communication and facilitating the exchange of information between tissues. Our study aimed to devise a hydrogel microsphere infused with SOD3-enriched exosomes (S-EXOs) to protect cartilage and introduce a novel, effective approach for OA treatment. MATERIALS AND METHODS We analyzed single-cell sequencing data from 4247 cells obtained from the GEO database. Techniques such as PCR, Western Blot, immunofluorescence (IF), and assays to measure oxidative stress levels were employed to validate the cartilage-protective properties of the identified key protein, SOD3. In vivo, OA mice received intra-articular injections of S-EXOs bearing hydrogel microspheres, and the effectiveness was assessed using safranine O (S.O) staining and IF. RESULTS Single-cell sequencing data analysis suggested that the synovium influences cartilage via the exocrine release of SOD3. Our findings revealed that purified S-EXOs enhanced antioxidant capacity of chondrocytes, and maintained extracellular matrix metabolism stability. The S-EXO group showed a significant reduction in mitoROS and ROS levels by 164.2% (P < 0.0001) and 142.7% (P < 0.0001), respectively, compared to the IL-1β group. Furthermore, the S-EXO group exhibited increased COL II and ACAN levels, with increments of 2.1-fold (P < 0.0001) and 3.1-fold (P < 0.0001), respectively, over the IL-1β group. Additionally, the S-EXO group showed a decrease in MMP13 and ADAMTS5 protein expression by 42.3% (P < 0.0001) and 44.4% (P < 0.0001), respectively. It was found that S-EXO-containing hydrogel microspheres could effectively deliver SOD3 to cartilage and significantly mitigate OA progression. The OARSI score in the S-EXO microsphere group markedly decreased (P < 0.0001) compared to the OA group. CONCLUSION The study demonstrated that the S-EXOs secreted by synovial fibroblasts exert a protective effect on chondrocytes, and microspheres laden with S-EXOs offer a promising therapeutic alternative for OA treatment.
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Affiliation(s)
- Haifei Cao
- Department of Orthopaedics, Yantai Affiliated Hospital of Binzhou Medical University, Yantai, 264000, China
| | - Wanxin Li
- Department of Otolaryngology Head and Neck Surgery, Beijing Friendship Hospital, Capital Medical University, 95th Yong'an Road, Xicheng District, Beijing, 100050, China
| | - Hao Zhang
- Department of Orthopedic Surgery, The Second People's Hospital of Lianyungang, The Affiliated Lianyungang Clinical College of Xuzhou Medical University, Lianyungang, 222003, China
- Department of Orthopedic Surgery, The Affiliated Lianyungang Clinical College of Jiangsu University, Lianyungang, 222003, China
| | - Lihui Hong
- Department of Orthopedic Surgery, The Second People's Hospital of Lianyungang, The Affiliated Lianyungang Clinical College of Xuzhou Medical University, Lianyungang, 222003, China
- Department of Orthopedic Surgery, The Affiliated Lianyungang Clinical College of Jiangsu University, Lianyungang, 222003, China
| | - Xiaoxiao Feng
- Department of Orthopedic Surgery, The Second People's Hospital of Lianyungang, The Affiliated Lianyungang Clinical College of Xuzhou Medical University, Lianyungang, 222003, China
- Department of Orthopedic Surgery, The Affiliated Lianyungang Clinical College of Jiangsu University, Lianyungang, 222003, China
| | - Xuzhu Gao
- Department of Orthopedic Surgery, The Second People's Hospital of Lianyungang, The Affiliated Lianyungang Clinical College of Xuzhou Medical University, Lianyungang, 222003, China
- Department of Orthopedic Surgery, The Affiliated Lianyungang Clinical College of Jiangsu University, Lianyungang, 222003, China
| | - Hongye Li
- Department of Orthopedic Surgery, The Second People's Hospital of Lianyungang, The Affiliated Lianyungang Clinical College of Xuzhou Medical University, Lianyungang, 222003, China
- Department of Orthopedic Surgery, The Affiliated Lianyungang Clinical College of Jiangsu University, Lianyungang, 222003, China
| | - Nanning Lv
- Department of Orthopedic Surgery, The Second People's Hospital of Lianyungang, The Affiliated Lianyungang Clinical College of Xuzhou Medical University, Lianyungang, 222003, China.
- Department of Orthopedic Surgery, The Affiliated Lianyungang Clinical College of Jiangsu University, Lianyungang, 222003, China.
| | - Mingming Liu
- Department of Orthopedic Surgery, The Second People's Hospital of Lianyungang, The Affiliated Lianyungang Clinical College of Xuzhou Medical University, Lianyungang, 222003, China.
- Department of Orthopedic Surgery, The Affiliated Lianyungang Clinical College of Jiangsu University, Lianyungang, 222003, China.
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Zhao D, Wang Y, Wu S, Ji X, Gong K, Zheng H, Zhu M. Research progress on the role of macrophages in acne and regulation by natural plant products. Front Immunol 2024; 15:1383263. [PMID: 38736879 PMCID: PMC11082307 DOI: 10.3389/fimmu.2024.1383263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 04/01/2024] [Indexed: 05/14/2024] Open
Abstract
Acne vulgaris is one of the most common skin diseases. The current understanding of acne primarily revolves around inflammatory responses, sebum metabolism disorders, aberrant hormone and receptor expression, colonization by Cutibacterium acnes, and abnormal keratinization of follicular sebaceous glands. Although the precise mechanism of action remains incompletely understood, it is plausible that macrophages exert an influence on these pathological features. Macrophages, as a constituent of the human innate immune system, typically manifest distinct phenotypes across various diseases. It has been observed that the polarization of macrophages toward the M1 phenotype plays a pivotal role in the pathogenesis of acne. In recent years, extensive research on acne has revealed an increasing number of natural remedies exhibiting therapeutic efficacy through the modulation of macrophage polarization. This review investigates the role of cutaneous macrophages, elucidates their potential significance in the pathogenesis of acne, a prevalent chronic inflammatory skin disorder, and explores the therapeutic mechanisms of natural plant products targeting macrophages. Despite these insights, the precise role of macrophages in the pathogenesis of acne remains poorly elucidated. Subsequent investigations in this domain will further illuminate the pathogenesis of acne and potentially offer guidance for identifying novel therapeutic targets for this condition.
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Affiliation(s)
- Dan Zhao
- Department of Dermatology, The Second Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Yun Wang
- Department of Dermatology, The Second Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Shuhui Wu
- Department of Dermatology, The Second Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Xiaotian Ji
- Department of Dermatology, The Second Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Ke Gong
- Department of Traditional Chinese Medicine, Cangzhou Central Hospital, Cangzhou, China
| | - Huie Zheng
- Department of Dermatology, The Second Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Mingfang Zhu
- Department of Dermatology, The Second Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, China
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5
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Tan IJ, Podwojniak A, Parikh A, Cohen BA. Precision Dermatology: A Review of Molecular Biomarkers and Personalized Therapies. Curr Issues Mol Biol 2024; 46:2975-2990. [PMID: 38666916 PMCID: PMC11049353 DOI: 10.3390/cimb46040186] [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: 02/22/2024] [Revised: 03/17/2024] [Accepted: 03/22/2024] [Indexed: 04/28/2024] Open
Abstract
The evolution of personalized medicine in dermatology signifies a transformative shift towards individualized treatments, driven by the integration of biomarkers. These molecular indicators serve beyond diagnostics, offering insights into disease staging, prognosis, and therapeutic monitoring. Specific criteria guide biomarker selection, ensuring attributes like specificity, sensitivity, cost feasibility, stability, rapid detection, and reproducibility. This literature review, based on data from PubMed, SCOPUS, and Web of Science, explores biomarkers in Hidradenitis Suppurativa (HS), Psoriasis, Atopic Dermatitis (AD), Alopecia Areata (AA), Vitiligo, and Chronic Spontaneous Urticaria (CSU). In HS, TNF-α, IL-1β, and MMPs serve as biomarkers, influencing targeted therapies like adalimumab and anakinra. Psoriasis involves biomarkers such as TNF-α, IL-23, and HLA genes, shaping treatments like IL23 and IL17 inhibitors. AD biomarkers include ECP, IL-4, IL-13, guiding therapies like dupilumab and tralokinumab. For AA, lipocalin-2, cytokines, and genetic polymorphisms inform JAK inhibitors' use. Vitiligo biomarkers range from cytokines to genetic markers like TYR, TYRP1, guiding treatments like JAK inhibitors. CSU biomarkers encompass IgE, cytokines, and autologous serum tests, influencing therapies like omalizumab and cyclosporine. Comparing conditions, common proinflammatory markers reveal limited specificity. While some biomarkers aid diagnosis and standard treatments, others hold more scientific than clinical value. Precision medicine, driven by biomarkers, has shown success in skin malignancies. Future directions involve AI-powered algorithms, nanotechnology, and multi-omics integration for personalized dermatological care.
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Affiliation(s)
- Isabella J. Tan
- Rutgers Robert Wood Johnson Medical School, 125 Paterson Steet, New Brunswick, NJ 08901, USA; (I.J.T.); (A.P.)
| | - Alicia Podwojniak
- Rowan-Virtua School of Osteopathic Medicine, 113 E Laurel Road, Stratford, NJ 08084, USA;
| | - Aarushi Parikh
- Rutgers Robert Wood Johnson Medical School, 125 Paterson Steet, New Brunswick, NJ 08901, USA; (I.J.T.); (A.P.)
| | - Bernard A. Cohen
- Department of Dermatology, The Johns Hopkins Hospital, Baltimore, MD 21287, USA
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6
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Nascimento NS, Torres-Obreque KM, Oliveira CA, Rabelo J, Baby AR, Long PF, Young AR, Rangel-Yagui CDO. Enzymes for dermatological use. Exp Dermatol 2024; 33:e15008. [PMID: 38284197 DOI: 10.1111/exd.15008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 10/18/2023] [Accepted: 12/15/2023] [Indexed: 01/30/2024]
Abstract
Skin is the ultimate barrier between body and environment and prevents water loss and penetration of pathogens and toxins. Internal and external stressors, such as ultraviolet radiation (UVR), can damage skin integrity and lead to disorders. Therefore, skin health and skin ageing are important concerns and increased research from cosmetic and pharmaceutical sectors aims to improve skin conditions and provide new anti-ageing treatments. Biomolecules, compared to low molecular weight drugs and cosmetic ingredients, can offer high levels of specificity. Topically applied enzymes have been investigated to treat the adverse effects of sunlight, pollution and other external agents. Enzymes, with a diverse range of targets, present potential for dermatological use such as antioxidant enzymes, proteases and repairing enzymes. In this review, we discuss enzymes for dermatological applications and the challenges associated in this growing field.
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Affiliation(s)
- Natália Santos Nascimento
- Department of Biochemical and Pharmaceutical Technology, School of Pharmaceutical Sciences, University of São Paulo (USP), São Paulo, Brazil
| | - Karin Mariana Torres-Obreque
- Department of Biochemical and Pharmaceutical Technology, School of Pharmaceutical Sciences, University of São Paulo (USP), São Paulo, Brazil
| | - Camila Areias Oliveira
- Laboratory of Analytical Validation and Development, Fundação Oswaldo Cruz - FIOCRUZ, Rio de Janeiro, Brazil
| | - Jheniffer Rabelo
- Department of Biochemical and Pharmaceutical Technology, School of Pharmaceutical Sciences, University of São Paulo (USP), São Paulo, Brazil
| | - André Rolim Baby
- Department of Pharmacy, School of Pharmaceutical Sciences, University of São Paulo (USP), São Paulo, Brazil
| | - Paul F Long
- Institute of Pharmaceutical Science, King's College London, London, UK
| | - Antony R Young
- St John's Institute of Dermatology, King's College London, London, UK
| | - Carlota de Oliveira Rangel-Yagui
- Department of Biochemical and Pharmaceutical Technology, School of Pharmaceutical Sciences, University of São Paulo (USP), São Paulo, Brazil
- Institute of Pharmaceutical Science, King's College London, London, UK
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Wang Y, Yue Y, Jia R, Liu X, Cheng Z, Cheng Y, Xu Y, Xie Z, Xia H. Design and Evaluation of Paeonol-Loaded Liposomes in Thermoreversible Gels for Atopic Dermatitis. Gels 2023; 9:gels9030198. [PMID: 36975647 PMCID: PMC10047988 DOI: 10.3390/gels9030198] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 02/24/2023] [Accepted: 02/27/2023] [Indexed: 03/08/2023] Open
Abstract
Paeonol (PAE) is a hydrophobic drug. In this study, we encapsulated paeonol in a lipid bilayer of liposomes (PAE-L), which delayed drug release and increased drug solubility. When PAE-L was dispersed in gels (PAE-L-G) based on a poloxamer matrix material for local transdermal delivery, we observed amphiphilicity, reversible thermal responsiveness, and micellar self-assembly behavior. These gels can be used for atopic dermatitis (AD), an inflammatory skin disease, to change the surface temperature of the skin. In this study, we prepared PAE-L-G at an appropriate temperature for the treatment of AD. We then assessed the gel’s relevant physicochemical properties, in vitro cumulative drug release, and antioxidant properties. We found that PAE-loaded liposomes could be designed to increase the drug effect of thermoreversible gels. At 32 °C, PAE-L-G could change from solution state to gelatinous state at 31.70 ± 0.42 s, while the viscosity was 136.98 ± 0.78 MPa.S and the free radical scavenging rates on DPPH and H2O2 were 92.24 ± 5.57% and 92.12 ± 2.71%, respectively. Drug release across the extracorporeal dialysis membrane reached 41.76 ± 3.78%. In AD-like mice, PAE-L-G could also relieve skin damage by the 12th day. In summary, PAE-L-G could play an antioxidant role and relieve inflammation caused by oxidative stress in AD.
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Affiliation(s)
- Yu Wang
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China
| | - Yan Yue
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China
| | - Ruoyang Jia
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China
| | - Xinyi Liu
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China
| | - Zhiqing Cheng
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China
| | - Yongfeng Cheng
- Clinical College of Anhui Medical University, Hefei 230031, China
- School of Life Science, University of Science and Technology of China, Hefei 230027, China
- Correspondence: (Y.C.); (H.X.); Tel./Fax: +86-13965033210 (H.X.)
| | - Yinxiang Xu
- Zhaoke (Hefei) Pharmaceutical Co., Ltd., Hefei 230088, China
| | - Zili Xie
- Anhui Institute for Food and Drug Control, Hefei 230051, China
| | - Hongmei Xia
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China
- Correspondence: (Y.C.); (H.X.); Tel./Fax: +86-13965033210 (H.X.)
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8
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Nakayama E, Kushibiki T, Mayumi Y, Fushuku S, Nakamura T, Kiyosawa T, Ishihara M, Azuma R. Optimal blue light irradiation conditions for the treatment of acne vulgaris in a mouse model. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2023; 239:112651. [PMID: 36680809 DOI: 10.1016/j.jphotobiol.2023.112651] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 01/12/2023] [Indexed: 01/15/2023]
Abstract
BACKGROUND Although blue light is one of the therapeutic approaches used to treat acne vulgaris (AV), there is no consensus on its effectiveness. As a result, it is not recommended in the major acne vulgaris treatment guidelines. OBJECTIVE The goal of this study was to look into the mechanism, safety, and efficacy of blue light therapy. We achieved this by examining the pathological response, inflammation, and depth of light penetration in a mouse model of cystic AV. METHODS The aims of the study were addressed by exposing the mice to light with a wavelength of 415 nm under four different irradiation conditions. The exposure was done for five consecutive days followed by a no irradiation period of 72 h. RESULTS Blue light treatment was most effective when irradiation was performed at 100 mW/cm2 for 20 min for five consecutive days. Inflammatory responses emerged 72 h after the final irradiation dose was administered. These responses were not associated with apoptosis as cleaved caspase-3 staining revealed no significant increases in apoptosis in the skin under any of the tested conditions. Blue light reached the superficial layer of the acne cyst at 5% of the total irradiation power and was attenuated by half for every 50 μm of progress through the cyst. CONCLUSION In conclusion, blue light could control severe dermatologic inflammatory responses; therefore, it can be used to irradiate AV with high inflammation levels on a daily basis until improvement is observed. In addition, porphyrin, a metabolite of Cutibacterium acnes, and reactive oxygen species generated by the surrounding skin tissue may have essential roles in AV treatment.
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Affiliation(s)
- Eiko Nakayama
- Department of Plastic Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa 359-0042, Japan.
| | - Toshihiro Kushibiki
- Department of Medical Engineering, National Defense Medical College, 3-2 Namiki, Tokorozawa 359-0042, Japan
| | - Yoshine Mayumi
- Department of Medical Engineering, National Defense Medical College, 3-2 Namiki, Tokorozawa 359-0042, Japan
| | - Seigo Fushuku
- Center for Laboratory Animal Science, National Defense Medical College, 3-2 Namiki, Tokorozawa 359-0042, Japan
| | - Takahiro Nakamura
- Laboratory for Mathematics, National Defense Medical College, 3-2 Namiki, Tokorozawa 359-0042, Japan
| | - Tomoharu Kiyosawa
- Department of Plastic Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa 359-0042, Japan
| | - Miya Ishihara
- Department of Medical Engineering, National Defense Medical College, 3-2 Namiki, Tokorozawa 359-0042, Japan
| | - Ryuichi Azuma
- Department of Plastic Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa 359-0042, Japan
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9
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Zhang Y, Li Y, Zhou L, Yuan X, Wang Y, Deng Q, Deng Z, Xu S, Wang Q, Xie H, Li J. Nav1.8 in keratinocytes contributes to ROS-mediated inflammation in inflammatory skin diseases. Redox Biol 2022; 55:102427. [PMID: 35952475 PMCID: PMC9372634 DOI: 10.1016/j.redox.2022.102427] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/21/2022] [Accepted: 07/30/2022] [Indexed: 11/22/2022] Open
Abstract
Reactive oxygen species (ROS)-activated proinflammatory signals in keratinocytes play a crucial role in the immunoregulation of inflammatory skin diseases, including rosacea and psoriasis. Nav1.8 is a voltage-gated sodium ion channel, and its abnormal expression in the epidermal layer contributes to pain hypersensitivity in the skin. However, whether and how epidermal Nav1.8 is involved in skin immunoregulation remains unclear. This study was performed to identify the therapeutic role of Nav1.8 in inflammatory skin disorders. We found that Nav1.8 expression was significantly upregulated in the epidermis of rosacea and psoriasis skin lesions. Nav1.8 knockdown ameliorated skin inflammation in LL37-and imiquimod-induced inflammation mouse models. Transcriptome sequencing results indicated that Nav1.8 regulated the expression of pro-inflammatory mediators (IL1β and IL6) in keratinocytes, thereby contributing to immune infiltration in inflammatory skin disorders. In vitro, tumor necrosis factor alpha (TNFα), a cytokine that drives the development of various inflammatory skin disorders, increased Nav1.8 expression in keratinocytes. Knockdown of Nav1.8 eliminated excess ROS production, thereby attenuating the TNFα-induced production of inflammatory mediators; however, a Nav1.8 blocker did not have the same effect. Mechanistically, Nav1.8 reduced superoxide dismutase 2 (SOD2) activity by directly binding to SOD2 to prevent its deacetylation and mitochondrial localization, subsequently inducing ROS accumulation. Collectively, our study describes a central role for Nav1.8 in regulating pro-inflammatory responses in the skin and indicates a novel therapeutic strategy for rosacea and psoriasis.
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Affiliation(s)
- Yiya Zhang
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Aging Biology, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China
| | - Yangfan Li
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Aging Biology, Xiangya Hospital, Central South University, Changsha, China
| | - Lei Zhou
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Aging Biology, Xiangya Hospital, Central South University, Changsha, China
| | - Xin Yuan
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Aging Biology, Xiangya Hospital, Central South University, Changsha, China
| | - Yaling Wang
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Aging Biology, Xiangya Hospital, Central South University, Changsha, China
| | - Qing Deng
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Aging Biology, Xiangya Hospital, Central South University, Changsha, China
| | - Zhili Deng
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Aging Biology, Xiangya Hospital, Central South University, Changsha, China
| | - San Xu
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Aging Biology, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China
| | - Qian Wang
- Hunan Binsis Biotechnology Co., Ltd, Changsha, China
| | - Hongfu Xie
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Aging Biology, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China
| | - Ji Li
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Aging Biology, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China.
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10
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Farfán J, Gonzalez JM, Vives M. The immunomodulatory potential of phage therapy to treat acne: a review on bacterial lysis and immunomodulation. PeerJ 2022; 10:e13553. [PMID: 35910763 PMCID: PMC9332329 DOI: 10.7717/peerj.13553] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 05/17/2022] [Indexed: 01/17/2023] Open
Abstract
Background Characterized by an inflammatory pathogenesis, acne is the most common skin disorder worldwide. Altered sebum production, abnormal proliferation of keratinocytes, and microbiota dysbiosis represented by disbalance in Cutibacterium acnes population structure, have a synergic effect on inflammation of acne-compromised skin. Although the role of C. acnes as a single factor in acne development is still under debate, it is known that skin and skin-resident immune cells recognize this bacterium and produce inflammatory markers as a result. Control of the inflammatory response is frequently the target for acne treatment, using diverse chemical or physical agents including antibiotics. However, some of these treatments have side effects that compromise patient adherence and drug safety and in the case of antibiotics, it has been reported C. acnes resistance to these molecules. Phage therapy is an alternative to treat antibiotic-resistant bacterial strains and have been recently proposed as an immunomodulatory therapy. Here, we explore this perspective about phage therapy for acne, considering the potential immunomodulatory role of phages. Methodology Literature review was performed using four different databases (Europe PubMed Central-ePMC, Google Scholar, PubMed, and ScienceDirect). Articles were ordered and selected according to their year of publication, number of citations, and quartile of the publishing journal. Results The use of lytic bacteriophages to control bacterial infections has proven its promising results, and anti-inflammatory effects have been found for some bacteriophages and phage therapy. These effects can be related to bacterial elimination or direct interaction with immune cells that result in the regulation of pro-inflammatory cytokines. Studies on C. acnes bacteriophages have investigated their lytic activity, genomic structure, and stability on different matrices. However, studies exploring the potential of immunomodulation of these bacteriophages are still scarce. Conclusions C. acnes bacteriophages, as well as other phages, may have direct immunomodulatory effects that are yet to be fully elucidated. To our knowledge, to the date that this review was written, there are only two studies that investigate anti-inflammatory properties for C. acnes bacteriophages. In those studies, it has been evidenced reduction of pro-inflammatory response to C. acnes inoculation in mice after bacteriophage application. Nevertheless, these studies were conducted in mice, and the interaction with the immune response was not described. Phage therapy to treat acne can be a suitable therapeutic alternative to C. acnes control, which in turn can aid to restore the skin's balance of microbiota. By controlling C. acnes colonization, C. acnes bacteriophages can reduce inflammatory reactions triggered by this bacterium.
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Affiliation(s)
- Juan Farfán
- Biological Sciences Department, Faculty of Science, Universidad de Los Andes, Bogotá, Bogotá D.C., Colombia
| | - John M. Gonzalez
- School of Medicine, Universidad de Los Andes, Bogotá, Bogotá D.C., Colombia
| | - Martha Vives
- Biological Sciences Department, Faculty of Science, Universidad de Los Andes, Bogotá, Bogotá D.C., Colombia
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11
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Mendonça JDS, Guimarães RDCA, Zorgetto-Pinheiro VA, Fernandes CDP, Marcelino G, Bogo D, Freitas KDC, Hiane PA, de Pádua Melo ES, Vilela MLB, do Nascimento VA. Natural Antioxidant Evaluation: A Review of Detection Methods. Molecules 2022; 27:3563. [PMID: 35684500 PMCID: PMC9182375 DOI: 10.3390/molecules27113563] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 11/19/2021] [Accepted: 11/24/2021] [Indexed: 02/04/2023] Open
Abstract
Antioxidants have drawn the attention of the scientific community due to being related to the prevention of various degenerative diseases. The antioxidant capacity has been extensively studied in vitro, and different methods have been used to assess its activity. However, the main issues related to studying natural antioxidants are evaluating whether these antioxidants demonstrate a key role in the biological system and assessing their bioavailability in the organism. The majority of outcomes in the literature are controversial due to a lack of method standardization and their proper application. Therefore, this study aims to compile the main issues concerning the natural antioxidant field of study, comparing the most common in vitro methods to evaluate the antioxidant activity of natural compounds, demonstrating the antioxidant activity in biological systems and the role of the main antioxidant enzymes of redox cellular signaling and explaining how the bioavailability of bioactive compounds is evaluated in animal models and human clinical trials.
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Affiliation(s)
- Jenifer da Silva Mendonça
- Graduate Program in Health and Development in the Central-West Region of Brazil, Federal University of Mato Grosso do Sul, Campo Grande 79070-900, Brazil; (J.d.S.M.); (R.d.C.A.G.); (V.A.Z.-P.); (G.M.); (D.B.); (K.d.C.F.); (P.A.H.); (E.S.d.P.M.)
| | - Rita de Cássia Avellaneda Guimarães
- Graduate Program in Health and Development in the Central-West Region of Brazil, Federal University of Mato Grosso do Sul, Campo Grande 79070-900, Brazil; (J.d.S.M.); (R.d.C.A.G.); (V.A.Z.-P.); (G.M.); (D.B.); (K.d.C.F.); (P.A.H.); (E.S.d.P.M.)
| | - Verônica Assalin Zorgetto-Pinheiro
- Graduate Program in Health and Development in the Central-West Region of Brazil, Federal University of Mato Grosso do Sul, Campo Grande 79070-900, Brazil; (J.d.S.M.); (R.d.C.A.G.); (V.A.Z.-P.); (G.M.); (D.B.); (K.d.C.F.); (P.A.H.); (E.S.d.P.M.)
| | - Carolina Di Pietro Fernandes
- Group of Spectroscopy and Bioinformatics Applied Biodiversity and Health (GEBABS), Federal University of Mato Grosso do Sul, Campo Grande 79070-900, Brazil;
| | - Gabriela Marcelino
- Graduate Program in Health and Development in the Central-West Region of Brazil, Federal University of Mato Grosso do Sul, Campo Grande 79070-900, Brazil; (J.d.S.M.); (R.d.C.A.G.); (V.A.Z.-P.); (G.M.); (D.B.); (K.d.C.F.); (P.A.H.); (E.S.d.P.M.)
| | - Danielle Bogo
- Graduate Program in Health and Development in the Central-West Region of Brazil, Federal University of Mato Grosso do Sul, Campo Grande 79070-900, Brazil; (J.d.S.M.); (R.d.C.A.G.); (V.A.Z.-P.); (G.M.); (D.B.); (K.d.C.F.); (P.A.H.); (E.S.d.P.M.)
| | - Karine de Cássia Freitas
- Graduate Program in Health and Development in the Central-West Region of Brazil, Federal University of Mato Grosso do Sul, Campo Grande 79070-900, Brazil; (J.d.S.M.); (R.d.C.A.G.); (V.A.Z.-P.); (G.M.); (D.B.); (K.d.C.F.); (P.A.H.); (E.S.d.P.M.)
| | - Priscila Aiko Hiane
- Graduate Program in Health and Development in the Central-West Region of Brazil, Federal University of Mato Grosso do Sul, Campo Grande 79070-900, Brazil; (J.d.S.M.); (R.d.C.A.G.); (V.A.Z.-P.); (G.M.); (D.B.); (K.d.C.F.); (P.A.H.); (E.S.d.P.M.)
| | - Elaine Silva de Pádua Melo
- Graduate Program in Health and Development in the Central-West Region of Brazil, Federal University of Mato Grosso do Sul, Campo Grande 79070-900, Brazil; (J.d.S.M.); (R.d.C.A.G.); (V.A.Z.-P.); (G.M.); (D.B.); (K.d.C.F.); (P.A.H.); (E.S.d.P.M.)
- Group of Spectroscopy and Bioinformatics Applied Biodiversity and Health (GEBABS), Federal University of Mato Grosso do Sul, Campo Grande 79070-900, Brazil;
- School of Medicine, Federal University of Mato Grosso do Sul, Campo Grande 79070-900, Brazil;
| | | | - Valter Aragão do Nascimento
- Graduate Program in Health and Development in the Central-West Region of Brazil, Federal University of Mato Grosso do Sul, Campo Grande 79070-900, Brazil; (J.d.S.M.); (R.d.C.A.G.); (V.A.Z.-P.); (G.M.); (D.B.); (K.d.C.F.); (P.A.H.); (E.S.d.P.M.)
- Group of Spectroscopy and Bioinformatics Applied Biodiversity and Health (GEBABS), Federal University of Mato Grosso do Sul, Campo Grande 79070-900, Brazil;
- School of Medicine, Federal University of Mato Grosso do Sul, Campo Grande 79070-900, Brazil;
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12
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SOD3 Suppresses the Expression of MMP-1 and Increases the Integrity of Extracellular Matrix in Fibroblasts. Antioxidants (Basel) 2022; 11:antiox11050928. [PMID: 35624792 PMCID: PMC9138143 DOI: 10.3390/antiox11050928] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 05/04/2022] [Accepted: 05/06/2022] [Indexed: 01/31/2023] Open
Abstract
The superoxide dismutase (SOD) family functions as a reactive oxygen species (ROS)-scavenging system by converting superoxide anions into hydrogen peroxide in the cytosol (SOD1), mitochondria (SOD2), and extracellular matrix (SOD3). In this study, we examined the potential roles of SOD family members in skin aging. We found that SOD3 expression levels were significantly more reduced in the skin tissues of old mice and humans than in young counterparts, but SOD1 and SOD2 expression levels remained unchanged with aging. Accordingly, we analyzed the effects of SOD3 on intracellular ROS levels and the integrity of the extracellular matrix in fibroblasts. The treatment of foreskin fibroblasts with recombinant SOD3 reduced the intracellular ROS levels and secretion of MMP-1 while increasing the secretion of type I collagen. The effects of SOD3 were greater in fibroblasts treated with the TNF-α. SOD3 treatment also decreased the mRNA levels and promoter activity of MMP-1 while increasing the mRNA levels and promoter activities of COL1A1 and COL1A2. SOD3 treatment reduced the phosphorylation of NF-κB, p38 MAPK, ERK, and JNK, which are essential for MMP-1 transactivation. In a three-dimensional culture of fibroblasts, SOD3 decreased the amount of type I collagen fragments produced by MMP-1 and increased the amount of nascent type I procollagen. These results demonstrate that SOD3 reduces intracellular ROS levels, suppresses MMP-1 expression, and induces type I collagen expression in fibroblasts. Therefore, SOD3 may play a role in delaying or preventing skin aging.
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13
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Li F, Lin L, He Y, Sun G, Dong D, Wu B. BMAL1 regulates Propionibacterium acnes-induced skin inflammation via REV-ERBα in mice. Int J Biol Sci 2022; 18:2597-2608. [PMID: 35414779 PMCID: PMC8990455 DOI: 10.7150/ijbs.71719] [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: 02/04/2022] [Accepted: 03/09/2022] [Indexed: 11/29/2022] Open
Abstract
Acne vulgaris is a common skin disease, affecting over 80% of adolescents. Inflammation is known to play a central role in acne development. Here, we aimed to investigate the role of the central clock gene Bmal1 in acne-associated inflammation in mice. To this end, mice were injected intradermally with Propionibacterium acnes (P. acnes) to induce acne-associated skin inflammation. We found that Bmal1 and its target genes Rev-erbα, Dbp, Per1 and Cry2 were down-regulated in the skin of P. acnes-treated mice, suggesting a role of Bmal1 in the condition of acne. Supporting this, Bmal1-deleted or jet-lagged mice showed exacerbated P. acnes-induced inflammation in the skin. Regulation of P. acnes-induced inflammation by Bmal1 was further confirmed in RAW264.7 cells and primary mouse keratinocytes. Transcriptomic and protein expression analyses suggested that Bmal1 regulated P. acnes-induced inflammation via the NF-κB/NLRP3 axis, which is known to be repressed by REV-ERBα (a direct target of BMAL1). Moreover, loss of Rev-erbα in mice exacerbated P. acnes-induced inflammation. In addition, Rev-erbα silencing attenuated the inhibitory effects of Bmal1 on P. acnes-induced inflammation. Bmal1 knockdown failed to modulate P. acnes-induced inflammation in Rev-erbα-silenced cells. It was thus proposed that Bmal1 restrained P. acnes-induced skin inflammation via its target REV-ERBα, which acts on the NF-κB/NLRP3 axis to repress inflammation. In conclusion, Bmal1 disruption is identified as a potential pathological factor of acne-associated inflammation. The findings increase our understanding of the crosstalk between skin clock and acne and suggest targeting circadian rhythms as a promising approach for management of acne.
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Affiliation(s)
- Feng Li
- College of pharmacy, Jinan University, Guangzhou 510632, China
| | - Luomin Lin
- College of pharmacy, Jinan University, Guangzhou 510632, China
| | - Yiting He
- School of Medicine, Jinan University, Guangzhou, China
| | - Guanghui Sun
- College of pharmacy, Jinan University, Guangzhou 510632, China
| | - Dong Dong
- School of Medicine, Jinan University, Guangzhou, China
| | - Baojian Wu
- Institute of Molecular Rhythm and Metabolism, Guangzhou University of Chinese Medicine, Guangzhou, China
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Lee H, Hwang D, Lee M, Lee J, Cho S, Kim TJ, Kim HS. Micro-Current Stimulation Suppresses Inflammatory Responses in Peptidoglycan-Treated Raw 264.7 Macrophages and Propionibacterium acnes-Induced Skin Inflammation via TLR2/NF-κB Signaling Pathway. Int J Mol Sci 2022; 23:ijms23052508. [PMID: 35269651 PMCID: PMC8910224 DOI: 10.3390/ijms23052508] [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: 12/31/2021] [Revised: 02/21/2022] [Accepted: 02/23/2022] [Indexed: 02/01/2023] Open
Abstract
Acne is a common inflammatory disorder of the human skin and a multifactorial disease caused by the sebaceous gland and Propionibacterium acnes (P. acnes). This study aimed to evaluate the anti-inflammatory effect of micro-current stimulation (MC) on peptidoglycan (PGN)-treated raw 264.7 macrophages and P. acnes-induced skin inflammation. To specify the intensity with anti-inflammatory effects, nitric oxide (NO) production was compared according to various levels of MC. As the lowest NO production was shown at an intensity of 50 μA, subsequent experiments used this intensity. The changes of expression of the proteins related to TLR2/NF-κB signaling were examined by immunoblotting. Also, immunofluorescence analysis was performed for observing NF-κB p65 localization. All of the expression levels of proteins regarding TLR2/NF-κB signaling were decreased by the application of MC. Moreover, the application of MC to PGN-treated raw 264.7 cells showed a significant decrease in the amount of nuclear p65-protein. In the case of animal models with P. acnes-induced skin inflammation, various pro-inflammatory cytokines and mediators significantly decreased in MC-applied mice. In particular, the concentration of IL-1β in serum decreased, and the area of acne lesions, decreased from the histological analysis. We suggest for the first time that MC can be a novel treatment for acne.
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Affiliation(s)
- Hana Lee
- Department of Biomedical Engineering, Yonsei University, Wonju 26493, Korea; (H.L.); (D.H.); (M.L.)
| | - Donghyun Hwang
- Department of Biomedical Engineering, Yonsei University, Wonju 26493, Korea; (H.L.); (D.H.); (M.L.)
| | - Minjoo Lee
- Department of Biomedical Engineering, Yonsei University, Wonju 26493, Korea; (H.L.); (D.H.); (M.L.)
| | - Jinho Lee
- Division of Biological Science and Technology, Yonsei University, Wonju 26493, Korea; (J.L.); (T.-J.K.)
| | | | - Tack-Joong Kim
- Division of Biological Science and Technology, Yonsei University, Wonju 26493, Korea; (J.L.); (T.-J.K.)
| | - Han Sung Kim
- Department of Biomedical Engineering, Yonsei University, Wonju 26493, Korea; (H.L.); (D.H.); (M.L.)
- Correspondence: ; Tel.: +82-33-760-2913
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15
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Wei Z, Chen G, Hu T, Mo X, Hou X, Cao K, Wang L, Pan Z, Wu Q, Li X, Ye F, Zouboulis CC, Ju Q. Resveratrol ameliorates lipid accumulation and inflammation in human SZ95 sebocytes via the AMPK signaling pathways in vitro. J Dermatol Sci 2021; 103:156-166. [PMID: 34334258 DOI: 10.1016/j.jdermsci.2021.07.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 06/30/2021] [Accepted: 07/23/2021] [Indexed: 12/19/2022]
Abstract
BACKGROUND Acne vulgaris is a prevalent skin disease lacking effective and well-tolerated treatment. An earlier study indicated that resveratrol (RVT) has therapeutic effects in acne patients through unknown mechanisms. OBJECTIVES To evaluate the effects of RVT on linoleic acid (LA)-induced lipogenesis and peptidoglycan (PGN)-induced inflammation in cultured SZ95 sebocytes in vitro, and to investigate the underlying mechanisms. METHODS RNA-sequencing was used to analyze the whole transcriptome. Nile red staining was used to detect intracellular neutral lipids, whereas lipidomics was used to investigate changes in the lipid profile in sebocytes. Interleukin (IL)-1β and IL-6 mRNA and protein levels were assessed through quantitative real-time PCR and Enzyme-linked immunosorbent assay, respectively. Western blot was used to evaluate the expression of lipogenesis-related proteins, the inflammatory signaling pathway, and the AMP-activated protein kinase (AMPK) pathway. Further, specific small interfering RNA (siRNA) was used to knockdown sirtuin-1 (SIRT1) expression. RESULTS RVT inhibited the lipogenesis-related pathway and nuclear factor-kappa B (NF-κB) signaling pathway in SZ95 sebocytes. It also downregulated LA-induced lipogenesis, the expression of lipid-related proteins, and the contents of unsaturated fatty acids. Besides, RVT promoted SIRT1 expression and deacetylation of the NF-κB p65 subunit, thereby lowering IL-1β and IL-6 secretion under PGN induction. Furthermore, pretreatment with AMPK inhibitor Compound C abolished RVT-mediated sebosuppressive and anti-inflammation effects. Meanwhile,SIRT1 silencing abrogated the anti-inflammatory potential of RVT. CONCLUSION In human SZ95 sebocytes, RVT exhibits sebosuppressive and anti-inflammatory effects partially through the AMPK pathway, which may justify the role of RVT treatment in acne vulgaris.
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Affiliation(s)
- Ziyu Wei
- Department of Dermatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, PR China
| | - Guangjie Chen
- Department of Immunology and Microbiology, School of Medicine, Shanghai Jiaotong University, Shanghai, PR China
| | - Tingting Hu
- Department of Dermatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, PR China
| | - Xiaohui Mo
- Department of Dermatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, PR China
| | - Xiaoxiao Hou
- Department of Dermatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, PR China
| | - Ke Cao
- Department of Dermatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, PR China
| | - Lanqi Wang
- Department of Dermatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, PR China
| | - Zhanyan Pan
- Department of Dermatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, PR China
| | - Qiong Wu
- Department of Dermatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, PR China
| | - Xin Li
- Department of Dermatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, PR China
| | - Feng Ye
- Department of Dermatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, PR China
| | - Christos C Zouboulis
- Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane and Faculty of Health Sciences Brandenburg, Dessau, Germany
| | - Qiang Ju
- Department of Dermatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, PR China.
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Superoxide Dismutase 3-Transduced Mesenchymal Stem Cells Preserve Epithelial Tight Junction Barrier in Murine Colitis and Attenuate Inflammatory Damage in Epithelial Organoids. Int J Mol Sci 2021; 22:ijms22126431. [PMID: 34208517 PMCID: PMC8233984 DOI: 10.3390/ijms22126431] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 06/04/2021] [Accepted: 06/11/2021] [Indexed: 01/08/2023] Open
Abstract
Superoxide dismutase 3 (SOD3), also known as extracellular superoxide dismutase, is an enzyme that scavenges reactive oxygen species (ROS). It has been reported that SOD3 exerts anti-inflammatory abilities in several immune disorders. However, the effect of SOD3 and the underlying mechanism in inflammatory bowel disease (IBD) have not been uncovered. Therefore, in the present study, we investigated whether SOD3 can protect intestinal cells or organoids from inflammation-mediated epithelial damage. Cells or mice were treated with SOD3 protein or SOD3-transduced mesenchymal stem cells (MSCs). Caco-2 cells or intestinal organoids stimulated with pro-inflammatory cytokines were used to evaluate the protective effect of SOD3 on epithelial junctional integrity. Dextran sulfate sodium (DSS)-induced colitis mice received SOD3 or SOD3-transduced MSCs (SOD3-MSCs), and were assessed for severity of disease and junctional protein expression. The activation of the mitogen-activated protein kinase (MAPK) pathway and elevated expression of cytokine-encoding genes decreased in TNF-α-treated Caco-2 cells or DSS-induced colitis mice when treated with SOD3 or SOD3-MSCs. Moreover, the SOD3 supply preserved the expression of tight junction (ZO-1, occludin) or adherence junction (E-cadherin) proteins when inflammation was induced. SOD3 also exerted a protective effect against cytokine- or ROS-mediated damage to intestinal organoids. These results indicate that SOD3 can effectively alleviate enteritis symptoms by maintaining the integrity of epithelial junctions and regulating inflammatory- and oxidative stress.
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Abstract
SUMMARY Exposure to air pollutants has been now associated with detrimental effects on a variety of organs, including the heart, lungs, GI tract, and brain. However, recently it has become clear that pollutant exposure can also promote the development/exacerbation of a variety of skin conditions, including premature aging, psoriasis, acne, and atopic dermatitis. Although the molecular mechanisms by which pollutant exposure results in these cutaneous pathological manifestations, it has been noticed that an inflammatory status is a common denominator of all those skin conditions. For this reason, recently, the activation of a cytosolic multiprotein complex involved in inflammatory responses (the inflammasome) that could promote the maturation of proinflammatory cytokines interleukin-1β and interleukin-18 has been hypothesized to play a key role in pollution-induced skin damage. In this review, we summarize and propose the cutaneous inflammasome as a novel target of pollutant exposure and the eventual usage of inflammasome inhibitor as new technologies to counteract pollution-induced skin damage. Possibly, the ability to inhibit the inflammasome activation could prevent cutaneous inflammaging and ameliorate the health and appearance of the skin.
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Baik S, Lee J, Jeon EJ, Park BY, Kim DW, Song JH, Lee HJ, Han SY, Cho SW, Pang C. Diving beetle-like miniaturized plungers with reversible, rapid biofluid capturing for machine learning-based care of skin disease. SCIENCE ADVANCES 2021; 7:7/25/eabf5695. [PMID: 34134988 PMCID: PMC8208721 DOI: 10.1126/sciadv.abf5695] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 04/30/2021] [Indexed: 06/12/2023]
Abstract
Recent advances in bioinspired nano/microstructures have received attention as promising approaches with which to implement smart skin-interfacial devices for personalized health care. In situ skin diagnosis requires adaptable skin adherence and rapid capture of clinical biofluids. Here, we report a simple, all-in-one device consisting of microplungers and hydrogels that can rapidly capture biofluids and conformally attach to skin for stable, real-time monitoring of health. Inspired by the male diving beetle, the microplungers achieve repeatable, enhanced, and multidirectional adhesion to human skin in dry/wet environments, revealing the role of the cavities in these architectures. The hydrogels within the microplungers instantaneously absorb liquids from the epidermis for enhanced adhesiveness and reversibly change color for visual indication of skin pH levels. To realize advanced biomedical technologies for the diagnosis and treatment of skin, our suction-mediated device is integrated with a machine learning framework for accurate and automated colorimetric analysis of pH levels.
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Affiliation(s)
- Sangyul Baik
- School of Chemical Engineering, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea
| | - Jihyun Lee
- School of Chemical Engineering, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea
| | - Eun Je Jeon
- Department of Biotechnology, Yonsei University, 50 Yonsei-ro, Seoul 03722, Republic of Korea
- Department of Biomaterials Science and Engineering, Yonsei University, 50 Yonsei-ro, Seoul 03722, Republic of Korea
| | - Bo-Yong Park
- McConnell Brain Imaging Centre, Montreal Neurological Institute and Hospital, McGill University, Montreal, Quebec H3A 2B4, Canada
| | - Da Wan Kim
- School of Chemical Engineering, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea
| | - Jin Ho Song
- School of Chemical Engineering, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea
- SKKU Advanced Institute of Nanotechnology, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea
| | - Heon Joon Lee
- School of Chemical Engineering, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea
| | - Seung Yeop Han
- Department of Biotechnology, Yonsei University, 50 Yonsei-ro, Seoul 03722, Republic of Korea
- Department of Biomaterials Science and Engineering, Yonsei University, 50 Yonsei-ro, Seoul 03722, Republic of Korea
| | - Seung-Woo Cho
- Department of Biotechnology, Yonsei University, 50 Yonsei-ro, Seoul 03722, Republic of Korea.
- Center for NanoMedicine, Institute for Basic Science (IBS), 50 Yonsei-ro, Seoul 03722, Republic of Korea
- Graduate Program of NanoBiomedical Engineering (NanoBME), Advanced Science Institute, Yonsei University, 50 Yonsei-ro, Seoul 03722, Republic of Korea
| | - Changhyun Pang
- School of Chemical Engineering, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea.
- Samsung Advanced Institute for Health Science & Technology (SAIHST), Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea
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19
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Lee MJ, Agrahari G, Kim HY, An EJ, Chun KH, Kang H, Kim YS, Bang CW, Tak LJ, Kim TY. Extracellular Superoxide Dismutase Prevents Skin Aging by Promoting Collagen Production through the Activation of AMPK and Nrf2/HO-1 Cascades. J Invest Dermatol 2021; 141:2344-2353.e7. [PMID: 33836179 DOI: 10.1016/j.jid.2021.02.757] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 02/19/2021] [Accepted: 02/25/2021] [Indexed: 12/14/2022]
Abstract
With aging, the skin becomes thin and drastically loses collagen. Extracellular superoxide dismutase (EC-SOD), also known as superoxide dismutase (SOD) 3, is the major SOD in the extracellular matrix of the tissues and is well-known to maintain the reduction‒oxidation homeostasis and matrix components of such tissues. However, the role of EC-SOD in aging-associated reductions of skin thickness and collagen production is not well-studied. In this study, we compared the histological differences in the dorsal skin of EC-SOD‒overexpressing transgenic mice (Sod3+/+) of different age groups with that in wild-type mice and also determined the underlying signaling mechanism. Our data showed that the skin thickness in Sod3+/+ mice significantly increased with aging compared with that in wild-type male mice. Furthermore, Sod3+/+ mice had promoted collagen production through the activation of adenosine monophosphate-activated protein kinase and Nrf2/HO-1 pathways in aged mice. Interestingly, subcutaneous injection of adeno-associated virus‒overexpressing EC-SOD exhibited increased skin thickness and collagen expression. Furthermore, combined recombinant EC-SOD and dihydrotestosterone treatment synergistically elevated collagen production through the activation of TGFβ in human dermal fibroblasts. Altogether, these results showed that EC-SOD prevents skin aging by promoting collagen production in vivo and in vitro. Therefore, we propose that EC-SOD may be a potential therapeutic target for antiaging in the skin.
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Affiliation(s)
- Min Jung Lee
- Laboratory of Dermato-Immunology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Gaurav Agrahari
- Laboratory of Dermato-Immunology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Hae-Young Kim
- Laboratory of Dermato-Immunology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Eun-Joo An
- Laboratory of Dermato-Immunology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Kyung-Hee Chun
- Department of Biochemistry and Molecular Biology, College of Medicine, Yonsei University, Seoul, Republic of Korea
| | - Hyeokgu Kang
- Department of Biochemistry and Molecular Biology, College of Medicine, Yonsei University, Seoul, Republic of Korea
| | - Yeon-Soo Kim
- Department of New Drug Discovery and Development, Chungnam National University, Daejeon, Republic of Korea
| | - Chul Whan Bang
- Laboratory of Dermato-Immunology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Lee-Jung Tak
- Laboratory of Dermato-Immunology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Tae-Yoon Kim
- Laboratory of Dermato-Immunology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
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20
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Rosa AC, Corsi D, Cavi N, Bruni N, Dosio F. Superoxide Dismutase Administration: A Review of Proposed Human Uses. Molecules 2021; 26:1844. [PMID: 33805942 PMCID: PMC8037464 DOI: 10.3390/molecules26071844] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 03/21/2021] [Accepted: 03/22/2021] [Indexed: 12/12/2022] Open
Abstract
Superoxide dismutases (SODs) are metalloenzymes that play a major role in antioxidant defense against oxidative stress in the body. SOD supplementation may therefore trigger the endogenous antioxidant machinery for the neutralization of free-radical excess and be used in a variety of pathological settings. This paper aimed to provide an extensive review of the possible uses of SODs in a range of pathological settings, as well as describe the current pitfalls and the delivery strategies that are in development to solve bioavailability issues. We carried out a PubMed query, using the keywords "SOD", "SOD mimetics", "SOD supplementation", which included papers published in the English language, between 2012 and 2020, on the potential therapeutic applications of SODs, including detoxification strategies. As highlighted in this paper, it can be argued that the generic antioxidant effects of SODs are beneficial under all tested conditions, from ocular and cardiovascular diseases to neurodegenerative disorders and metabolic diseases, including diabetes and its complications and obesity. However, it must be underlined that clinical evidence for its efficacy is limited and consequently, this efficacy is currently far from being demonstrated.
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Affiliation(s)
- Arianna Carolina Rosa
- Department of Scienza e Tecnologia del Farmaco, University of Turin, Via P. Giuria 9, 10125 Turin, Italy; (D.C.); (N.C.); (F.D.)
| | - Daniele Corsi
- Department of Scienza e Tecnologia del Farmaco, University of Turin, Via P. Giuria 9, 10125 Turin, Italy; (D.C.); (N.C.); (F.D.)
| | - Niccolò Cavi
- Department of Scienza e Tecnologia del Farmaco, University of Turin, Via P. Giuria 9, 10125 Turin, Italy; (D.C.); (N.C.); (F.D.)
| | - Natascia Bruni
- Istituto Farmaceutico Candioli, Strada Comunale di None, 1, 10092 Beinasco, Italy;
| | - Franco Dosio
- Department of Scienza e Tecnologia del Farmaco, University of Turin, Via P. Giuria 9, 10125 Turin, Italy; (D.C.); (N.C.); (F.D.)
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21
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Agrahari G, Sah SK, Bang CH, Kim YH, Kim TY. Superoxide Dismutase 3 Controls the Activation and Differentiation of CD4 +T Cells. Front Immunol 2021; 12:628117. [PMID: 33717151 PMCID: PMC7947887 DOI: 10.3389/fimmu.2021.628117] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 01/21/2021] [Indexed: 12/11/2022] Open
Abstract
Superoxide dismutase 3 (SOD3), a well-known antioxidant has been shown to possess immunomodulatory properties through inhibition of T cell differentiation. However, the underlying inhibitory mechanism of SOD3 on T cell differentiation is not well understood. In this study, we investigated the effect of SOD3 on anti-CD3/CD28- or phorbol myristate acetate (PMA) and ionomycin (ION)-mediated activation of mouse naive CD4+ T cells. Our data showed that SOD3 suppressed the expression of activation-induced surface receptor proteins such as CD25, and CD69, and cytokines production. Similarly, SOD3 was found to reduce CD4+T cells proliferation and suppress the activation of downstream pathways such as ERK, p38, and NF-κB. Moreover, naïve CD4+T cells isolated from global SOD3 knock-out mice showed higher expression of CD25, CD69, and CD71, IL-2 production, proliferation, and downstream signals compared to wild-type CD4+T cells. Whereas, the use of DETCA, a known inhibitor of SOD3 activity, found to nullify the inhibitory effect of SOD3 on CD4+T cell activation of both SOD3 KO and wild-type mice. Furthermore, the expression of surface receptor proteins, IL-2 production, and downstream signals were also reduced in Th2 and Th17 differentiated cells upon SOD3 treatment. Overall, our data showed that SOD3 can attenuate CD4+T cell activation through modulation of the downstream signalings and restrict CD4+T cell differentiation. Therefore, SOD3 can be a promising therapeutic for T cell-mediated disorders.
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Affiliation(s)
- Gaurav Agrahari
- Laboratory of Dermato-Immunology, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Shyam Kishor Sah
- Department of Reconstructive Sciences, Center for Regenerative Medicine and Skeletal Development, UConn Health, Farmington, CT, United States
| | - Chul Hwan Bang
- Laboratory of Dermato-Immunology, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Yeong Ho Kim
- Laboratory of Dermato-Immunology, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Tae-Yoon Kim
- Laboratory of Dermato-Immunology, College of Medicine, The Catholic University of Korea, Seoul, South Korea
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22
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Luo J, He W, Li X, Ji X, Liu J. Anti-acne vulgaris effects of chlorogenic acid by anti-inflammatory activity and lipogenesis inhibition. Exp Dermatol 2021; 30:865-871. [PMID: 33433016 DOI: 10.1111/exd.14277] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 12/07/2020] [Accepted: 12/30/2020] [Indexed: 12/11/2022]
Abstract
Chlorogenic acid (CGA) exhibits substantial biological function in antioxidant, antibacterial, anti-lipogenesis and anti-inflammatory activities. Increased sebum production and inflammation are considered important for the development of acne. However, the therapeutic effects of CGA on acne vulgaris remain unexplored. In this study, to assess the effects and underlying mechanisms of CGA on acne, a model of skin inflammation in ears of ICR mouse induced by living Propionibacterium acnes was used. 24 hours after 1.0 × 107 CFU, P. acnes were intradermally injected into the ears of the ICR mouse. 1, 5 and 10 mg of CGA mixed with vaseline were applied to the surface of the skin every 12 hours for 3 days. Then, skin inflammation in the ears was assessed and the change of SREBP1 and TNF-α expression was analysed after CGA treatment. The mechanisms of CGA in anti-inflammatory activity and lipogenesis were also studied in primary sebocytes and HaCaT cells. We found that CGA treatment effectively rescued ear swelling, redness and erythema skin in ears of ICR mouse induced by P. acnes and significantly downregulated the expression of inflammatory cytokines by reducing the activity of the NF-κB signalling pathway. Furthermore, CGA could inhibit lipogenesis at the protein secretion and transcription level by decreasing the AKT/mTOR/SREBP signalling pathway. Our findings suggest that CGA could become a potential alternative drug for the treatment of acne vulgaris.
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Affiliation(s)
- Jiao Luo
- Institute for Translational Medicine, the First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China.,Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Weiyi He
- School of Public Health, Health Science Center, Shenzhen University, Shenzhen, China
| | - Xuan Li
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.,Department of Gerontology, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Xunmin Ji
- Guangdong Provincial Institute of Biological Products and Materia, Guangzhou, Guangdong, China
| | - Jiabang Liu
- Institute for Translational Medicine, the First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
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23
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Zouboulis CC. Endocrinology and immunology of acne: Two sides of the same coin. Exp Dermatol 2020; 29:840-859. [DOI: 10.1111/exd.14172] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 08/05/2020] [Accepted: 08/05/2020] [Indexed: 12/25/2022]
Affiliation(s)
- Christos C. Zouboulis
- Departments of Dermatology, Venereology, Allergology and Immunology Dessau Medical Center Brandenburg Medical School Theodor Fontane and Faculty of Health Sciences Brandenburg Dessau Germany
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24
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Contribution of GATA6 to homeostasis of the human upper pilosebaceous unit and acne pathogenesis. Nat Commun 2020; 11:5067. [PMID: 33082341 PMCID: PMC7575575 DOI: 10.1038/s41467-020-18784-z] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 09/14/2020] [Indexed: 02/07/2023] Open
Abstract
Although acne is the most common human inflammatory skin disease, its pathogenic mechanisms remain incompletely understood. Here we show that GATA6, which is expressed in the upper pilosebaceous unit of normal human skin, is down-regulated in acne. GATA6 controls keratinocyte proliferation and differentiation to prevent hyperkeratinisation of the infundibulum, which is the primary pathological event in acne. When overexpressed in immortalised human sebocytes, GATA6 triggers a junctional zone and sebaceous differentiation program whilst limiting lipid production and cell proliferation. It modulates the immunological repertoire of sebocytes, notably by upregulating PD-L1 and IL10. GATA6 expression contributes to the therapeutic effect of retinoic acid, the main treatment for acne. In a human sebaceous organoid model GATA6-mediated down-regulation of the infundibular differentiation program is mediated by induction of TGFβ signalling. We conclude that GATA6 is involved in regulation of the upper pilosebaceous unit and may be an actionable target in the treatment of acne.
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25
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Oh Y, Hwang HJ, Yang H, Kim JH, Park JHY, Kim JE, Lee KW. Orobol, A Derivative of Genistein, Inhibits Heat-Killed Propionibacterium acnes-Induced Inflammation in HaCaT Keratinocytes. J Microbiol Biotechnol 2020; 30:1379-1386. [PMID: 32627753 PMCID: PMC9728182 DOI: 10.4014/jmb.2003.03063] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 06/09/2020] [Accepted: 06/19/2020] [Indexed: 12/15/2022]
Abstract
Acne is a chronic skin disease that typically occurs in the teens and twenties, and its symptoms vary according to age, sex, diet, and lifestyle. The condition is characterized by hyperproliferation of keratinocytes in the epidermis, sebum overproduction, excessive growth of Propionibacterium acnes, and P. acnes-induced skin inflammation. Interleukin (IL)-1α and IL-6 are predominant in the inflammatory lesions of acne vulgaris. These cytokines induce an inflammatory reaction in the skin in the presence of pathogens or stresses. Moreover, IL-1α accelerates the production of keratin 16, which is typically expressed in wounded or aberrant skin, leading to abnormalities in architecture and hyperkeratinization. Orobol (3',4',5,7-tetrahydroxyisoflavone) is a metabolite of genistein that inhibited the P. acnes-induced increases in IL-6 and IL-1α levels in human keratinocytes (HaCaTs) more effectively compared with salicylic acid. In addition, orobol decreased the IL-1α and IL-6 mRNA levels and inhibited the phosphorylation of inhibitor of kappa-B kinase, nuclear factor of kappa light polypeptide gene enhancer in B-cells inhibitor, alpha, and mitogen-activated protein kinase induced by P. acnes. Finally, the expression of Ki67 was decreased by orobol. Thus, orobol ameliorated the inflammation and hyperkeratinization induced by heat-killed P. acnes and thus has potential for use in functional foods and cosmetics.
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Affiliation(s)
- Yunsil Oh
- Biomodulation Major and Research Institute of Agriculture and Life Sciences, Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Republic of Korea
| | - Hwan Ju Hwang
- Biomodulation Major and Research Institute of Agriculture and Life Sciences, Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Republic of Korea
| | - Hee Yang
- Center for Food and Bioconvergence, Seoul National University, Seoul 08826, Republic of Korea
| | - Jong Hun Kim
- Department of Food Science and Biotechnology, Sungshin University, Seoul 01133, Republic of Korea
| | - Jung Han Yoon Park
- Biomodulation Major and Research Institute of Agriculture and Life Sciences, Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Republic of Korea,Center for Food and Bioconvergence, Seoul National University, Seoul 08826, Republic of Korea
| | - Jong-Eun Kim
- Department of Food Science and Technology, Korea National University of Transportation, Jeungpyeong 27909, Republic of Korea,Corresponding authors J.E.K. Phone: +82-43-820-5245 Fax: +82-43-820-5240 E-mail:
| | - Ki Won Lee
- Biomodulation Major and Research Institute of Agriculture and Life Sciences, Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Republic of Korea,Center for Food and Bioconvergence, Seoul National University, Seoul 08826, Republic of Korea,K.W.L. Phone: +82-2-880-4661 Fax: +82-2-878-6178 E-mail:
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26
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Yim MJ, Lee JM, Kim HS, Choi G, Kim YM, Lee DS, Choi IW. Inhibitory Effects of a Sargassum miyabei Yendo on Cutibacterium acnes-Induced Skin Inflammation. Nutrients 2020; 12:E2620. [PMID: 32867396 PMCID: PMC7551756 DOI: 10.3390/nu12092620] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 08/17/2020] [Accepted: 08/24/2020] [Indexed: 11/17/2022] Open
Abstract
Acne vulgaris is a chronic inflammatory condition of skin sebaceous follicles. To explore its effects on acne vulgaris, we investigated the antibacterial and anti-inflammatory activities of Sargassum miyabei Yendo (a brown alga) ethanolic extract (SMYEE) on Cutibacterium acnes (C. acnes)-stimulated inflammatory responses, both in vivo and in vitro. To induce inflammation in vivo, C. acnes was intradermally injected into the dorsal skin of mice, to which SMYEE was applied. The antimicrobial activity of SMYEE was evaluated by the determination of minimum inhibitory concentrations (MICs). To explore in vitro anti-inflammatory effects, HaCaT cells were stimulated with C. acnes after treatment with SMYEE. The levels of IL-8 and the underlying molecular effects in C. acnes-stimulated HaCaT cells were assessed by enzyme-linked immunosorbent assay, Western blotting, and an electrophoretic mobility shift assay. Mouse skin lesions improved after treatment with SMYEE (50 μg/mouse). Neutrophil infiltration was significantly reduced in SMYEE-treated compared to SMYEE-untreated skin lesions. SMYEE reversed the C. acnes-induced increase in IL-8 levels in HaCaT cells and suppressed dHL-60 cell migration. SMYEE also inhibited C. acnes-induced phosphorylation of the extracellular signal-regulated kinase and inhibited activator protein-1 signaling. SMYEE may be a useful treatment for C. acnes-induced acne vulgaris.
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Affiliation(s)
- Mi-Jin Yim
- Department of Genetic Resources, National Marine Biodiversity Institute of Korea, Seocheon 33662, Korea; (M.-J.Y.); (J.M.L.); (H.-S.K.); (G.C.)
| | - Jeong Min Lee
- Department of Genetic Resources, National Marine Biodiversity Institute of Korea, Seocheon 33662, Korea; (M.-J.Y.); (J.M.L.); (H.-S.K.); (G.C.)
| | - Hyun-Soo Kim
- Department of Genetic Resources, National Marine Biodiversity Institute of Korea, Seocheon 33662, Korea; (M.-J.Y.); (J.M.L.); (H.-S.K.); (G.C.)
| | - Grace Choi
- Department of Genetic Resources, National Marine Biodiversity Institute of Korea, Seocheon 33662, Korea; (M.-J.Y.); (J.M.L.); (H.-S.K.); (G.C.)
| | - Young-Mog Kim
- Marine-Integrated Bionics Research Center, Pukyong National University, Busan 48513, Korea;
| | - Dae-Sung Lee
- Department of Genetic Resources, National Marine Biodiversity Institute of Korea, Seocheon 33662, Korea; (M.-J.Y.); (J.M.L.); (H.-S.K.); (G.C.)
| | - Il-Whan Choi
- Department of Microbiology and Immunology, College of Medicine Inje University, Busan 47392, Korea
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27
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Inhibition of Proinflammatory Cytokines in Cutibacterium acnes-Induced Inflammation in HaCaT Cells by Using Buddleja davidii Aqueous Extract. Int J Inflam 2020; 2020:8063289. [PMID: 32373312 PMCID: PMC7191358 DOI: 10.1155/2020/8063289] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 03/03/2020] [Accepted: 03/31/2020] [Indexed: 12/17/2022] Open
Abstract
Acne is an inflammatory skin disorder; although some anti-inflammatory medicines for treating acne are available in a market, they have considerable side effects; therefore, new treatment options are needed. In the present study, among the 16 aqueous extracts of plants collected from Jeju Island in Korea which are used to test anti-inflammatory activity, B. davidii showed the strong decline of the proinflammatory cytokine expression against the inflammatory process caused by C. acnes in Human HaCaT keratinocyte cells. B. davidii downregulated the expression of 57% of COX-2, 41% of iNOS, and proinflammatory cytokines 29% of TNF-α, 32% of IL-1β, 21% of IL-6, and 35% of IL-8. Furthermore, B. davidii inhibited NF-κB and MAPK signaling cascades in keratinocytes that activated by toll-like receptor 2 (TLR-2) in response to C. acnes. Given those results, B. davidii is a potential agent to reduce the proinflammatory cytokine expression against C. acnes-induced inflammation and might provide an alternative to the current medications.
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28
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Sah SK, Agrahari G, Kim TY. Insights into superoxide dismutase 3 in regulating biological and functional properties of mesenchymal stem cells. Cell Biosci 2020; 10:22. [PMID: 32128111 PMCID: PMC7045732 DOI: 10.1186/s13578-020-00386-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 02/14/2020] [Indexed: 12/11/2022] Open
Abstract
Mesenchymal stem cells (MSCs) have been extensively studied and implicated for the cell-based therapy in several diseases due to theirs immunomodulatory properties. Embryonic stem cells and induced-pluripotent stem cells have either ethical issues or concerns regarding the formation of teratomas, introduction of mutations into genome during prolonged culture, respectively which limit their uses in clinical settings. On the other hand, MSCs also encounter certain limitation of circumscribed survival and reduced immunomodulatory potential during transplantation. Plethora of research is undergoing to improve the efficacy of MSCs during therapy. Several compounds and novel techniques have been employed to increase the therapeutic potency of MSCs. MSCs secreted superoxide dismutase 3 (SOD3) may be the mechanism for exhibiting direct antioxidant activities by MSCs. SOD3 is a well known antioxidant enzyme and recently known to possess immunomodulatory properties. Along with superoxide scavenging property, SOD3 also displays anti-angiogenic, anti-chemotactic and anti-inflammatory functions in both enzymatic and non-enzymatic manners. In this review, we summarize the emerging role of SOD3 secreted from MSCs and SOD3’s effects during cell-based therapy.
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Affiliation(s)
- Shyam Kishor Sah
- 1Department of Reconstructive Sciences, Center for Regenerative Medicine and Skeletal Development, University of Connecticut Health Center, Farmington, CT 06032 USA.,2Laboratory of Dermato-immunology, College of Medicine, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul, 06591 Republic of Korea
| | - Gaurav Agrahari
- 2Laboratory of Dermato-immunology, College of Medicine, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul, 06591 Republic of Korea
| | - Tae-Yoon Kim
- 2Laboratory of Dermato-immunology, College of Medicine, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul, 06591 Republic of Korea
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29
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Gao D, Hu S, Zheng X, Lin W, Gao J, Chang K, Zhao D, Wang X, Zhou J, Lu S, Griffiths HR, Liu J. SOD3 Is Secreted by Adipocytes and Mitigates High-Fat Diet-Induced Obesity, Inflammation, and Insulin Resistance. Antioxid Redox Signal 2020; 32:193-212. [PMID: 31680537 DOI: 10.1089/ars.2018.7628] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Aims: To study the expression and regulatory role of SOD3 in adipocytes and adipose tissue. Results: SOD3 expression was determined in various tissues of adult C57BL/6J mice, human adipose tissue and epididymal adipose tissue, subcutaneous adipose tissue and brown adipose tissue of high-fat diet (HFD)-induced obese mice. SOD3 expression and release were evaluated in adipocytes differentiated from primary human preadipocytes and murine bone marrow-derived mesenchymal stem cells (BM-MSCs). The regulatory role for SOD3 was determined by SOD3 lentivirus knockdown in human adipocytes and global sod3 knockout (KO) mice. SOD3 was expressed at high levels in white adipose tissue, and adipocytes were the main cells expressing SOD3 in adipose tissue. SOD3 expression was significantly elevated in adipose tissue of HFD-fed mice. Moreover, SOD3 expression and release were markedly increased in differentiated human adipocytes and adipocytes differentiated from mouse BM-MSCs compared with undifferentiated cells. In addition, SOD3 silencing in human adipocytes increased expression of genes involved in lipid metabolic pathways such as PPARγ and SREBP1c and promoted the accumulation of triglycerides. Finally, global sod3 KO mice were more obese and insulin resistant with enlarged adipose tissue and increased triglyceride accumulation. Innovation: Our data showed that SOD3 is secreted from adipocytes and regulates lipid metabolism in adipose tissue. This important discovery may open up new avenues of research for the cytoprotective role of SOD3 in obesity and its associated metabolic disorders. Conclusion: SOD3 is a protective factor secreted by adipocytes in response to HFD-induced obesity and regulates adipose tissue lipid metabolism.
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Affiliation(s)
- Dan Gao
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of the Ministry of Education, School of Life Science and Technology, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Sijun Hu
- Department of Gastroenterology, Xijing Hospital of Digestive Diseases, State Key Laboratory of Cancer Biology and Institute of Digestive Diseases, Xi'an, China
| | - Xuewei Zheng
- The Key Laboratory of Biomedical Information Engineering of the Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Wenjuan Lin
- The Key Laboratory of Biomedical Information Engineering of the Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Jing Gao
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of the Ministry of Education, School of Life Science and Technology, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Kewei Chang
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Daina Zhao
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of the Ministry of Education, School of Life Science and Technology, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Xueqiang Wang
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of the Ministry of Education, School of Life Science and Technology, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Jinsong Zhou
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Shemin Lu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Helen R Griffiths
- Faculty of Health and Medical Sciences, University of Surrey, Guildford, United Kingdom
| | - Jiankang Liu
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of the Ministry of Education, School of Life Science and Technology, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, China
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Anti-oxidative effects of superoxide dismutase 3 on inflammatory diseases. J Mol Med (Berl) 2019; 98:59-69. [PMID: 31724066 DOI: 10.1007/s00109-019-01845-2] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 09/16/2019] [Accepted: 10/16/2019] [Indexed: 01/16/2023]
Abstract
Free radicals and other oxidants are critical determinants of the cellular signaling pathways involved in the pathogenesis of several human diseases including inflammatory diseases. Numerous studies have demonstrated the protective effects of antioxidant enzymes during inflammation by elimination of free radicals. The superoxide dismutase (SOD), an antioxidant enzyme, plays an essential pathogenic role in the inflammatory diseases by not only catalyzing the conversion of the superoxide to hydrogen peroxide and oxygen but also affecting immune responses. There are three distinct isoforms of SOD, which distribute in different cellular compartments such as cytosolic SOD1, mitochondrial SOD2, and extracellular SOD3. Many studies have investigated the anti-oxidative effects of SOD3 in the inflammatory diseases. Herein, in this review, we focus on the current understanding of SOD3 as a therapeutic protein in inflammatory diseases such as skin, autoimmune, lung, and cardiovascular inflammatory diseases. Moreover, the mechanism(s) by which SOD3 modulates immune responses and signal initiation in the pathogenesis of the diseases will be further discussed.
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31
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Agrahari G, Sah SK, Nguyen CT, Choi SS, Kim HY, Kim TY. Superoxide Dismutase 3 Inhibits LL-37/KLK-5-Mediated Skin Inflammation through Modulation of EGFR and Associated Inflammatory Cascades. J Invest Dermatol 2019; 140:656-665.e8. [PMID: 31465746 DOI: 10.1016/j.jid.2019.08.434] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 08/13/2019] [Accepted: 08/13/2019] [Indexed: 11/29/2022]
Abstract
The expressions of LL-37 and KLK-5 were found to be altered in various dermatoses, including atopic dermatitis, psoriasis, and rosacea. However, the downstream inflammatory effect of LL-37 and KLK-5 is not as well studied. In addition, there is little high-quality evidence for the treatment of LL-37- and KLK-5-mediated inflammation. In this study, we investigated the effect of superoxide dismutase 3 (SOD3) on LL-37- or KLK-5-induced skin inflammation in vitro and in vivo and its underlying anti-inflammatory mechanisms. Our data showed that SOD3 significantly reduced both LL-37- and KLK-5-induced expression of pro-inflammatory mediators and suppressed the activation of EGFR, protease-activated receptor 2, nucleotide-binding domain, leucine-rich-containing family, pyrin domain-containing-3, and p38/extracellular signal-regulated kinase signaling pathways in human keratinocytes. Moreover, SOD3 suppressed LL-37-induced expression of inflammatory mediators, reactive oxygen species production, and p38/extracellular signal-regulated kinase activation in mast cells. In addition, subcutaneous injection of KLK-5 in SOD3 knockout mice exhibited erythema with increased epidermal thickness, mast cell and neutrophil infiltration, expression of inflammatory mediators, and activation of EGFR, protease-activated receptor 2, nucleotide-binding domain, leucine-rich-containing family, pyrin domain-containing-3, and downstream mitogen-activated protein kinase pathways. However, treatment with SOD3 in SOD3 knockout mice rescued KLK-5-induced inflammatory cascades. Similarly, KLK-5-induced inflammation in wild-type mice was also ameliorated when treated with SOD3. Taken together, our data suggest that SOD3 is a potentially effective therapy for both LL-37-and KLK-5-induced skin inflammation.
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Affiliation(s)
- Gaurav Agrahari
- Laboratory of Dermato-Immunology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Shyam Kishor Sah
- Department of Reconstructive Sciences, Center for Regenerative Medicine and Skeletal Development, Institute for Systems Genomics, University of Connecticut, Farmington, Connecticut, USA
| | - Cuong Thach Nguyen
- NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam
| | - Sung Sik Choi
- Laboratory of Dermato-Immunology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Hae-Young Kim
- Laboratory of Dermato-Immunology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Tae-Yoon Kim
- Laboratory of Dermato-Immunology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
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32
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Zhang B, Choi YM, Lee J, An IS, Li L, He C, Dong Y, Bae S, Meng H. Toll-like receptor 2 plays a critical role in pathogenesis of acne vulgaris. BIOMEDICAL DERMATOLOGY 2019. [DOI: 10.1186/s41702-019-0042-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Abstract
Propionibacterium acnes (P. acnes) has been implicated in the progression of acne inflammation. Because current acne medications have various side effects, it is necessary to explore alternative medications possessing anti-inflammatory activity against P. acnes. We investigated the inhibitory effects of polyphyllin I (PPI) on P. acnes-induced inflammation in vitro. In this study, we examined the effects of PPI on the production of inflammatory cytokines in HaCaT keratinocytes treated with heat-killed P. acnes. These treated HaCaT keratinocytes showed increased expression of Toll-like receptor 2 (TLR2) and production of inflammatory cytokines. PPI significantly suppressed the secretion of inflammatory cytokines, including interleukin (IL)-6, IL-8, and tumor necrosis factor (TNF)-α, and the expression of TLR2 in P. acnes-treated cells. Moreover, we studied the influence of PPI on the nuclear factor-κB (NF-κB) and mitogen-activated protein kinase (MAPK) signaling pathways in P. acnes-treated keratinocytes. PPI diminished the activation of NF-κB. Phosphorylated p38 levels were markedly increased after treatment with heat-killed P. acnes but were decreased after treatment with PPI, while the effect of PPI on ERK phosphorylation was not significant. Heat-killed P. acnes and PPI did not have any effect on JNK phosphorylation. Furthermore, we confirmed that NF-κB p65 inhibitor (BAY11-7082), p38 MAPK inhibitor (SB203580), and PPI blocked the expression of IL-8 in heat-killed P. acnes-treated cells. These results demonstrated that PPI has potential for development as a treatment for acne inflammation.
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34
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Du S, Zhang Y, Yang J, Liu X, Wang Y, Xu B, Jia J. Curcumin Alleviates β Amyloid-Induced Neurotoxicity in HT22 Cells via Upregulating SOD2. J Mol Neurosci 2019; 67:540-549. [PMID: 30746607 DOI: 10.1007/s12031-019-01267-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 01/21/2019] [Indexed: 12/06/2022]
Abstract
Curcumin protects neuronal cells exposed to β amyloid (Aβ); the mechanism, however, is still obscure. The aim of this study is to determine whether the type 2 superoxide dismutase (SOD2) mediates curcumin-induced protective effects in Aβ-treated neuronal cells. In this study, the HT22 neuronal cells were exposed to Aβ to imitate neuronal injury in Alzheimer's disease (AD). After 24-h treatment, 10 μM Aβ decreased cell viability and mitochondrial functions, including mitochondrial complex activities and mitochondrial membrane potential (MMP), and also downregulated anti-oxidants SOD2, glutathione (GSH), and catalase (CAT) levels (P < 0.05), meanwhile, increased lactic dehydrogenase (LDH) release, apoptosis level, intracellular reactive oxygen species (ROS) and mitochondrial superoxide accumulation (P < 0.05). And, co-administration of 1 μM curcumin significantly reduced the Aβ-induced cell injury and oxidative damage above (P < 0.05). Downregulating SOD2 by using small interfering RNA (siRNA), however, significantly abolished the curcumin-induced protective and anti-oxidative effects in HT22 cells (P < 0.05); the scramble (SC)-siRNA did not cause marked effects on the curcumin-induced protective effects (P > 0.05). These findings showed that curcumin can alleviate Aβ-induced injury in neuronal cells, and SOD2 protein may mediate the neuroprotective effects.
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Affiliation(s)
- Shuping Du
- Department of Anesthesiology, Weihai Municipal Hospital, Weihai, 264200, China
| | - Yuanyuan Zhang
- Department of 1st Geriatrics, General Hospital of Southern Theatre Command of PLA, Guangzhou, 510010, China
| | - Jing Yang
- Southern Medical University, Guangzhou, 510515, China.,Department of Anesthesiology, General Hospital of Southern Theatre Command of PLA, Guangzhou, 510010, China
| | - Xiaoyan Liu
- Department of Anesthesiology, General Hospital of Southern Theatre Command of PLA, Guangzhou, 510010, China
| | - Yuqing Wang
- Department of Rehabilitation, General Hospital of Southern Theatre Command of PLA, Guangzhou, 510010, China
| | - Bo Xu
- Department of Anesthesiology, General Hospital of Southern Theatre Command of PLA, Guangzhou, 510010, China.
| | - Ji Jia
- Department of Anesthesiology, General Hospital of Southern Theatre Command of PLA, Guangzhou, 510010, China.
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35
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Zhang R, Li H, Guo Q, Zhang L, Zhu J, Ji J. Sirtuin6 inhibits c-triggered inflammation through TLR4 abrogation regulated by ROS and TRPV1/CGRP. J Cell Biochem 2018; 119:9141-9153. [PMID: 30105859 DOI: 10.1002/jcb.27176] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 05/24/2018] [Indexed: 01/03/2023]
Abstract
Propionibacterium acnes induces inflammatory and plays a vital role in the formation of comedones through activation of inflammatory cells, keratinocytes, and sebocytes. Sirtuin6 (SIRT6), along with ADP-ribosyltransferase and deacetylase, has been proposed to mediate various biological functions, including inflammation. Nevertheless, no strong experimental evidence has been provided to support the effect of SIRT6 in treatment of inflammatory situation. Therefore, this study addressed the inhibitory effect of SIRT6 against P. acnes-triggered inflammation in human keratinocytes and monocyte cell lines. In our study, proinflammation capacity of P. acnes was confirmed by increased levels of various inflammatory modulators, such as interleukin (IL)-1β, IL-6, IL-12, monocyte chemoattractant protein-1, interferon-γ, and tumor necrosis facto-α, both in vivo and in vitro. P. acnes stimulation also decreased SIRT6 expression, whereas, SIRT6 overexpression successfully suppressed the production of these cytokines in P. acnes-infected cells, and therefore controlled inflammation. Furthermore, we found that challenge of P. acnes stimulated the expression of toll-like receptor 4 (TLR4) in both cell lines. Nevertheless, SIRT6 overexpression attenuated the expression of TLR4 and consequently inhibited the P. acnes-triggered phosphorylation of nuclear transcription factor-kappa B (NF-κB) subunit, p65. Moreover, deactivation of TLR4 signaling pathway by SIRT6 overexpression resulted in significant downregulation of the transient receptor potential vanilloid (TRPV) pathway, cAMP response element-binding protein (CREB)/calcitonin gene-related peptide (CGRP) signaling, and NF-κB-regulated production of reactive oxygen species. These results indicate that SIRT6 serves as a potential therapeutic target to alleviate acne inflammation.
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Affiliation(s)
- Ruohua Zhang
- Department of Dermatology, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Hongmin Li
- Department of Dermatology, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Qin Guo
- Department of Dermatology, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Lulu Zhang
- Department of Dermatology, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Jie Zhu
- Department of Dermatology, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Jin Ji
- Department of Dermatology, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
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O'Sullivan KM, Ford SL, Longano A, Kitching AR, Holdsworth SR. Intrarenal Toll-like receptor 4 and Toll-like receptor 2 expression correlates with injury in antineutrophil cytoplasmic antibody-associated vasculitis. Am J Physiol Renal Physiol 2018; 315:F1283-F1294. [PMID: 29923769 DOI: 10.1152/ajprenal.00040.2018] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
In antineutrophil cytoplasmic antibody-associated vasculitis (AAV), Toll-like receptors (TLRs) may be engaged by infection-associated patterns and by endogenous danger signals, linking infection and innate inflammation with this autoimmune disease. This study examined intrarenal TLR2, TLR4, and TLR9 expression and renal injury in AAV, testing the hypothesis that increased TLR expression correlates with renal injury. Patients with AAV exhibited both glomerular and tubulointerstitial expression of TLR2, TLR4, and TLR9, with TLR4 being the most prominent in both compartments. Glomerular TLR4 expression correlated with glomerular segmental necrosis and cellular crescents, with TLR2 expression correlating with glomerular segmental necrosis. The extent and intensity of glomerular and tubulointerstitial TLR4 expression and the intensity of glomerular TLR2 expression inversely correlated with the presenting estimated glomerular filtration rate. Although myeloid cells within the kidney expressed TLR2, TLR4, and TLR9, TLR2 and TLR4 colocalized with endothelial cells and podocytes, whereas TLR9 was expressed predominantly by podocytes. The functional relevance of intrarenal TLR expression was further supported by the colocalization of TLRs with their endogenous ligands high-mobility group box 1 and fibrinogen. Therefore, in AAV, the extent of intrarenal TLR4 and TLR2 expression and their correlation with renal injury indicates that TLR4, and to a lesser degree TLR2, may be potential therapeutic targets in this disease.
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Affiliation(s)
- Kim M O'Sullivan
- Centre for Inflammatory Diseases, Monash University Department of Medicine , Clayton, Victoria , Australia
| | - Sharon L Ford
- Centre for Inflammatory Diseases, Monash University Department of Medicine , Clayton, Victoria , Australia
| | - Anthony Longano
- Department of Pathology, Monash Health, Clayton, Victoria , Australia
| | - A Richard Kitching
- Centre for Inflammatory Diseases, Monash University Department of Medicine , Clayton, Victoria , Australia.,Department of Nephrology, Monash Health, Clayton, Victoria , Australia.,Department of Paediatric Nephrology, Monash Health, Clayton, Victoria , Australia
| | - Stephen R Holdsworth
- Centre for Inflammatory Diseases, Monash University Department of Medicine , Clayton, Victoria , Australia.,Department of Nephrology, Monash Health, Clayton, Victoria , Australia
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