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Wang Y, Gao H, Wang X, Li D, Zhang W, Meng X, Wang L, Zhu T, Dong P, Chen Y, Meng X. Dual cross-linked self-healing hydrogel enhanced by dopamine nanoparticles and raffinose for wound healing. Int J Biol Macromol 2024; 271:132615. [PMID: 38795900 DOI: 10.1016/j.ijbiomac.2024.132615] [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: 02/28/2024] [Revised: 05/20/2024] [Accepted: 05/22/2024] [Indexed: 05/28/2024]
Abstract
A series of intricate and dynamic physiological healing processes are involved in the healing of skin wounds. Herein, a multifunctional hydrogel is firstly designed and constructed by L-arginine-grafted O-carboxymethyl chitosan (CMCA), catechol-modified oxidized hyaluronic acid (DOHA), and dopamine nanoparticles (pDA-NPs). pDA-NPs were loaded in hydrogel for inherently powerful antimicrobial properties and could be as a cross-linking agent to construct hydrogels. Raffinose (Raf) was further incorporated to obtain CMCA-DOHA-pDA2@Raf hydrogel for its function of modulating epidermal differentiation. The hydrogel has good physicochemical properties and could promote cell proliferation and migration, which shows superior hemostatic capabilities in animal models of hemorrhage. The hydrogel significantly promoted wound healing on rat skin defect models by upregulating VEGF and CD31 and decreasing IL-6 and TNF-α, stimulating neovascularization and collagen deposition in epithelial structures. This multifunctional hydrogel implies the potential to be a dynamic wound dressing.
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Affiliation(s)
- Yudie Wang
- Key Laboratory of Industrial Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Hang Gao
- Key Laboratory of Industrial Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Xin Wang
- Key Laboratory of Industrial Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Dawei Li
- Shandong Academy of Pharmaceutical Sciences, Shandong Key Laboratory of Mucosal and Skin Drug Delivery Technology, Jinan 250101, China
| | - Wen Zhang
- Shandong Academy of Pharmaceutical Sciences, Shandong Key Laboratory of Mucosal and Skin Drug Delivery Technology, Jinan 250101, China
| | - Xuan Meng
- Key Laboratory of Industrial Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Lijie Wang
- Key Laboratory of Industrial Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Tao Zhu
- Key Laboratory of Industrial Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China; CanSino Biologics Inc., Tianjin 300457, China
| | - Peijie Dong
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, Tianjin 300071, China; Haihe Laboratory of Synthetic Biology, Tianjin 300308, China
| | - Yao Chen
- Shandong Academy of Pharmaceutical Sciences, Shandong Key Laboratory of Mucosal and Skin Drug Delivery Technology, Jinan 250101, China; State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, Tianjin 300071, China; Haihe Laboratory of Synthetic Biology, Tianjin 300308, China
| | - Xin Meng
- Key Laboratory of Industrial Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China; Shandong Academy of Pharmaceutical Sciences, Shandong Key Laboratory of Mucosal and Skin Drug Delivery Technology, Jinan 250101, China.
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Xiang H, Jia X, Duan X, Xu Q, Zhang R, He Y, Yang Z. Q-switched 1064 nm Nd: YAG laser restores skin photoageing by activating autophagy by TGFβ1 and ITGB1. Exp Dermatol 2024; 33:e15006. [PMID: 38284200 DOI: 10.1111/exd.15006] [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: 06/07/2023] [Revised: 12/18/2023] [Accepted: 12/21/2023] [Indexed: 01/30/2024]
Abstract
Excessive ultraviolet B ray (UVB) exposure to sunlight results in skin photoageing. Our previous research showed that a Q-switched 1064 nm Nd: YAG laser can alleviate skin barrier damage through miR-24-3p. However, the role of autophagy in the laser treatment of skin photoageing is still unclear. This study aims to investigate whether autophagy is involved in the mechanism of Q-switched 1064 nm Nd: YAG in the treatment of skin ageing. In vitro, primary human dermal fibroblast (HDF) cells were irradiated with different doses of UVB to establish a cell model of skin photoageing. In vivo, SKH-1 hairless mice were irradiated with UVB to establish a skin photoageing mouse model and irradiated with laser. The oxidative stress and autophagy levels were detected by western blot, immunofluorescence and flow cytometer. String was used to predict the interaction protein of TGF-β1, and CO-IP and GST-pull down were used to detect the binding relationship between TGFβ1 and ITGB1. In vitro, UVB irradiation reduced HDF cell viability, arrested cell cycle, induced cell senescence and oxidative stress compared with the control group. Laser treatment reversed cell viability, senescence and oxidative stress induced by UVB irradiation and activated autophagy. Autophagy agonists or inhibitors can enhance or attenuate the changes induced by laser treatment, respectively. In vivo, UVB irradiation caused hyperkeratosis, dermis destruction, collagen fibres reduction, increased cellular senescence and activation of oxidative stress in hairless mice. Laser treatment thinned the stratum corneum of skin tissue, increased collagen synthesis and autophagy in the dermis, and decreased the level of oxidative stress. Autophagy agonist rapamycin and autophagy inhibitor 3-methyladenine (3-MA) can enhance or attenuate the effects of laser treatment on the skin, respectively. Also, we identified a direct interaction between TGFB1 and ITGB1 and participated in laser irradiation-activated autophagy, thereby inhibiting UVB-mediated oxidative stress further reducing skin ageing. Q-switched 1064 nm Nd: YAG laser treatment inhibited UVB-induced oxidative stress and restored skin photoageing by activating autophagy, and TGFβ1 and ITGB1 directly incorporated and participated in this process.
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Affiliation(s)
- Huiyi Xiang
- Department of Dermatology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Xiaorong Jia
- Department of Dermatology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Xiaoxia Duan
- Department of Dermatology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Qi Xu
- Department of Dermatology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Ruiqi Zhang
- Department of Dermatology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Yunting He
- Department of Dermatology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Zhi Yang
- Department of Dermatology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
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Lin X, Chu J, Xiang Y, He M, Ma Q, Duan J, Wang Y, Sun S. Kangfuxin liquid reduces the ultraviolet B-induced photodamage of HaCaT cells by regulating autophagy. Biosci Biotechnol Biochem 2023; 87:1485-1494. [PMID: 37682519 DOI: 10.1093/bbb/zbad130] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 08/31/2023] [Indexed: 09/09/2023]
Abstract
Kangfuxin liquid (KFX), an extract of the American cockroach, has been clinically proven to be effective in various skin damage disorders, but there are no reports on its use in photodamage. We explored the effect of KFX on ultraviolet B (UVB)-induced photodamage and whether its mechanism was related to autophagy. We found that KFX treatment reduced UVB-induced reactive oxygen species production and improved the vitality of cells inhibited by UVB irradiation. The expression of LC3 (A/B), which was inhibited after UVB irradiation, could be rescued by KFX treatment. Furthermore, KFX may upregulate the level of cellular autophagy by regulating the AMPK-mTOR signaling pathway. When the autophagy inhibitor wortmannin was used to inhibit autophagy, the protective effect of KFX on cells was diminished or even disappeared. Our study suggests that KFX may resist UVB-mediated oxidative stress damage of HaCaT through the induction of autophagy.
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Affiliation(s)
- Xianghong Lin
- College of Clinical Medicine, Dali University, Dali, Yunnan, China
| | - Jimin Chu
- Department of Skin Medical Beauty, People's Hospital of Pengshui County, Pengshui, Chongqing, China
| | - Yang Xiang
- Key Laboratory of Human Aging in Jiangxi Province, Nanchang University, Nanchang, Jiangxi, China
| | - Miao He
- College of Pharmacy and Chemistry, Dali University, Dali, Yunnan, China
| | - Qiong Ma
- Department of Medical Cosmetology, The First Affiliated Hospital of Dali University, Dali, Yunnan, China
| | - Jingxian Duan
- Department of Medical Cosmetology, The First Affiliated Hospital of Dali University, Dali, Yunnan, China
| | - Yan Wang
- Department of Medical Cosmetology, The First Affiliated Hospital of Dali University, Dali, Yunnan, China
| | - Sujiao Sun
- Department of Medical Cosmetology, The First Affiliated Hospital of Dali University, Dali, Yunnan, China
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Wu ZZ, Gan ZW, Zhang YX, Chen SB, Gan CD, Yang K, Yang JY. Transcriptomic and metabolomic perspectives for the growth of alfalfa (Medicago sativa L.) seedlings with the effect of vanadium exposure. CHEMOSPHERE 2023:139222. [PMID: 37343642 DOI: 10.1016/j.chemosphere.2023.139222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 06/12/2023] [Accepted: 06/13/2023] [Indexed: 06/23/2023]
Abstract
Hitherto, the effect of vanadium on higher plant growth remains an open topic. Therefore, nontargeted metabolomic and RNA-Seq profiling were implemented to unravel the possible alteration in alfalfa seedlings subjected to 0.1 mg L-1 (B group) and 0.5 mg L-1 (C group) pentavalent vanadium [(V(V)] versus control (A group) in this study. Results revealed that vanadium exposure significantly altered some pivotal transcripts and metabolites. The number of differentially expressed genes (DEGs) markedly up- and down-regulated was 21 and 23 in B_vs_A, 27 and 33 in C_vs_A, and 24 and 43 in C_vs_B, respectively. The number for significantly up- and down-regulated differential metabolites was 17 and 15 in B_vs_A, 43 and 20 in C_vs_A, and 24 and 16 in C_vs_B, respectively. Metabolomics and transcriptomics co-analysis characterized three significantly enriched metabolic pathways in C_vs_A comparing group, viz., α-linolenic acid metabolism, flavonoid biosynthesis, and phenylpropanoid biosynthesis, from which some differentially expressed genes and differential metabolites participated. The metabolite of traumatic acid in α-linolenic acid metabolism and apigenin in flavonoid biosynthesis were markedly upregulated, while phenylalanine in phenylpropanoid biosynthesis was remarkably downregulated. The genes of allene oxide cyclase (AOC) and acetyl-CoA acyltransferase (fadA) in α-linolenic acid metabolism, and chalcone synthase (CHS), flavonoid 3'-monooxygenase (CYP75B1), and flavonol synthase (FLS) in flavonoid biosynthesis, and caffeoyl-CoA O-methyltransferase (CCoAOMT) in phenylpropanoid biosynthesis were significantly downregulated. While shikimate O-hydroxycinnamoyltransferase (HCT) in flavanoid and phenylpropanoid biosynthesis were conspicuously upregulated. Briefly, vanadium exposure induces a readjustment yielding in metabolite and the correlative synthetic precursors (transcripts/unigenes) in some branched metabolic pathways. This study provides a practical and in-depth perspective from transcriptomics and metabolomics in investigating the effects conferred by vanadium on plant growth and development.
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Affiliation(s)
- Zhen-Zhong Wu
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, Sichuan, China; College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, Gansu, China
| | - Zhi-Wei Gan
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, Sichuan, China
| | - You-Xian Zhang
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, Gansu, China
| | - Si-Bei Chen
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, Sichuan, China
| | - Chun-Dan Gan
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, Sichuan, China
| | - Kai Yang
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, Sichuan, China
| | - Jin-Yan Yang
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, Sichuan, China.
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Chu J, Xiang Y, Lin X, He M, Wang Y, Ma Q, Duan J, Sun S. Handelin protects human skin keratinocytes against ultraviolet B-induced photodamage via autophagy activation by regulating the AMPK-mTOR signaling pathway. Arch Biochem Biophys 2023; 743:109646. [PMID: 37225010 DOI: 10.1016/j.abb.2023.109646] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 05/11/2023] [Accepted: 05/22/2023] [Indexed: 05/26/2023]
Abstract
Handelin is a natural ingredient extracted from Chrysanthemum boreale flowers that has been shown to decrease stress-related cell death, prolong lifespan, and promote anti-photoaging. However, whether handelin inhibits ultraviolet (UV) B stress-induced photodamage remains unclear. In the present study, we investigate whether handelin has protective properties on skin keratinocytes under UVB irradiation. Human immortalized keratinocytes (HaCaT keratinocytes) were pretreated with handelin for 12 h before UVB irradiation. The results indicated that handelin protects keratinocytes against UVB-induced photodamage by activating autophagy. However, the photoprotective effect of handelin was suppressed by an autophagic inhibitor (wortmannin) or the transfection of keratinocytes with a small interfering RNA targeting ATG5. Notably, handelin reduced mammalian target of rapamycin (mTOR) activity in UVB-irradiated cells in a manner similar to that shown by the mTOR inhibitor rapamycin. Adenosine monophosphate-activated protein kinase (AMPK) activity was also induced by handelin in UVB-damaged keratinocytes. Finally, certain effects of handelin, including autophagy induction, mTOR activity inhibition, AMPK activation, and reduction of cytotoxicity, were suppressed by an AMPK inhibitor (compound C). Our data suggest that handelin effectively prevents photodamage by protecting skin keratinocytes against UVB-induced cytotoxicity via the regulation of AMPK/mTOR-mediated autophagy. These findings provide novel insights that can aid the development of therapeutic agents against UVB-induced keratinocyte photodamage.
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Affiliation(s)
- Jimin Chu
- School of Clinical Medicine, Dali University, Dali, 671013, Yunnan, China
| | - Yang Xiang
- Metabolic Control and Aging, Human Aging Research Institute (HARI), Jiangxi Key Laboratory of Human Aging, School of Life Science, Nanchang University, Nanchang, 330031, Jiangxi, China
| | - Xianghong Lin
- School of Clinical Medicine, Dali University, Dali, 671013, Yunnan, China
| | - Miao He
- School of Pharmacy, Dali University, Dali, 671013, Yunnan, China
| | - Yan Wang
- Medical Cosmetology Teaching and Research Section, School of Clinical Medicine, Dali University, Dali, 671013, Yunnan, China
| | - Qiong Ma
- Medical Cosmetology Teaching and Research Section, School of Clinical Medicine, Dali University, Dali, 671013, Yunnan, China
| | - Jingxian Duan
- Medical Cosmetology Teaching and Research Section, School of Clinical Medicine, Dali University, Dali, 671013, Yunnan, China
| | - Sunjiao Sun
- Medical Cosmetology Teaching and Research Section, School of Clinical Medicine, Dali University, Dali, 671013, Yunnan, China.
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Lin J, Lu YY, Shi HY, Lin P. Chaga Medicinal Mushroom, Inonotus obliquus (Agaricomycetes), Polysaccharides Alleviate Photoaging by Regulating Nrf2 Pathway and Autophagy. Int J Med Mushrooms 2023; 25:49-64. [PMID: 37830196 DOI: 10.1615/intjmedmushrooms.2023049657] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2023]
Abstract
Inonotus obliquus is a medicinal mushroom that contains the valuable I. obliquus polysaccharides (IOP), which is known for its bioactive properties. Studies have shown that IOP could inhibit oxidative stress induced premature aging and DNA damage, and delay body aging. However, the molecular mechanism of IOP in improving skin photoaging remains unclear, which prevents the development and utilization of I. obliquus in the field of skin care. In this study, ultraviolet B (UVB) induced human immortalized keratinocyte (HaCaT) cell photoaging model was used to explore the mechanism of IOP in relieving skin photoaging. Results showed that IOP inhibited cell senescence and apoptosis by reducing the protein expressions of p16, p21, and p53. IOP increased HO-1, SOD, and CAT expressions to achieve Nrf2/HO-1 pathway, thus improving antioxidant effects and preventing ROS generation. Furthermore, IOP enhanced the expression levels of p-AMPK, LC3B, and Beclin-1 to alleviate the autophagy inhibition in UVB-induced HaCaT cells. Based on these findings, our data suggested that IOP may be used to develop effective natural anti-photoaging ingredients to promote skin health.
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Affiliation(s)
- Jun Lin
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, P.R. China
| | - Yin-Ying Lu
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, P.R. China
| | - Hong-Yu Shi
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, P.R. China
| | - Pei Lin
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, China
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Castro-Jácome TP, Montalvo-González E, Chacón-López MA, Kalixto-Sánchez MA, Rivera MDP, López-García UM, Alcántara-Quintana LE, Tovar-Pérez EG. Antioxidant activity of kafirin hydrolysates on UVB irradiated human keratinocyte cells and in silico identification. PHOTODERMATOLOGY, PHOTOIMMUNOLOGY & PHOTOMEDICINE 2023; 39:51-59. [PMID: 35801374 DOI: 10.1111/phpp.12815] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 06/21/2022] [Accepted: 07/06/2022] [Indexed: 01/18/2023]
Abstract
BACKGROUND Ultraviolet B (UVB) causes photoaging of the skin, the appearance of wrinkles, spots, and alteration of the skin barrier. The main cells in the most superficial layer of the skin are the keratinocytes; these cells play an important role in protecting this organ. OBJECTIVE The present study aimed to investigate the antioxidant activity of the hydrolysates from kafirin to inhibit UVB-induced responses in human keratinocytes cells (HaCaT). METHODS Kafirin hydrolysates were produced by enzymatic hydrolysis with alcalase. The activity of superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPx), in the HaCaT cell line in the presence of UVB and the effects of the hydrolysates against the UVB-induced response were evaluated. Furthermore, the peptides that were generated by hydrolysis were identified in silico using the BIOPEP database. RESULTS Two protein sequences were identified (α-kafirin and the precursor protein of α-kafirin), in the kafirin extract. A degree of hydrolysis of 18.8% was obtained by hydrolyzing the kafirin extract with alcalase. The kafirin hydrolysates avoided the decrease in endogenous antioxidant enzymes such as SOD, CAT, and GPx reducing the oxidative stress generated by UVB. Using the BIOPEP-UWM database, we found 102 peptide sequences, and it has shown that the peptides have a large amount of hydrophobic amino acids such as proline, alanine, and glutamine, and amino acids with high antioxidant capacity. CONCLUSION These results suggest that the kafirin hydrolysates can be used as antioxidant agents to ameliorate UVB-induced skin keratinocytes cells' response in vitro, providing an alternative against UVB-induced photoaging.
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Affiliation(s)
- Tania P Castro-Jácome
- Laboratorio Integral de Investigación en Alimentos, Tecnológico Nacional de México/I.T Tepic, Tepic, Mexico
| | - Efigenia Montalvo-González
- Laboratorio Integral de Investigación en Alimentos, Tecnológico Nacional de México/I.T Tepic, Tepic, Mexico
| | - M Alejandra Chacón-López
- Laboratorio Integral de Investigación en Alimentos, Tecnológico Nacional de México/I.T Tepic, Tepic, Mexico
| | | | | | - Ulises M López-García
- Laboratorio Integral de Investigación en Alimentos, Tecnológico Nacional de México/I.T Tepic, Tepic, Mexico
| | | | - Erik G Tovar-Pérez
- CONACyT-Universidad Autonoma de Queretaro - Campus Amazcala, Querétaro, Mexico
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Lian N, Chen Y, Chen S, Xiao T, Song C, Ke Y, Wei X, Gong C, Yu H, Gu H, Chen Q, Li M, Chen X. Necroptosis-mediated HMGB1 secretion of keratinocytes as a key step for inflammation development in contact hypersensitivity. Cell Death Dis 2022; 8:451. [PMID: 36344541 PMCID: PMC9640721 DOI: 10.1038/s41420-022-01228-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/18/2022] [Accepted: 10/18/2022] [Indexed: 11/09/2022]
Abstract
Keratinocyte necroptosis (with proinflammatory characteristic) is required for epidermal damage in contact hypersensitivity (CHS). In DNCB-induced CHS mice model, we observed the aggravated keratinocyte death and increased phosphorylation level of MLKL, RIPK3 and RIPK1. However, CHS skin lesion did not present in keratinocyte-specific Mlkl knockout mice. We validated that MLKL-mediated keratinocyte necroptosis is required for epidermal damage in response to immune microenvironment in CHS. Moreover, MLKL-mediated necroptosis deficiency or inhibition resulted in blocking recruitment and activation of inflammatory cells in CHS via reducing HMGB1 release in keratinocytes. This study suggests that MLKL-mediated keratinocyte necroptosis functions as a self-amplified actor in inflammatory responses and could be considered as an effective therapeutic target. It proposes an innovative prospective that inhibiting keratinocyte necroptosis can prevent the development of epidermal damage in CHS. ![]()
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Ke J, Wang J, Wu X, Yan Y. Salidroside Ameliorates Ultraviolet-Induced Keratinocyte Injury by Inducing SIRT1-Dependent Autophagy. Clin Cosmet Investig Dermatol 2022; 15:1499-1508. [PMID: 35941856 PMCID: PMC9356605 DOI: 10.2147/ccid.s367233] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 05/12/2022] [Indexed: 12/12/2022]
Abstract
Introduction Methods Results Discussion
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Affiliation(s)
- Jin Ke
- Department of Dermatology, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, 201399, People’s Republic of China
| | - Jie Wang
- Department of Dermatology, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, 201399, People’s Republic of China
| | - Xing Wu
- Department of Dermatology, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, 201399, People’s Republic of China
| | - Yuehua Yan
- Department of Dermatology, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, 201399, People’s Republic of China
- Correspondence: Yuehua Yan, Department of Dermatology, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, No. 2800 Gongwei Road, Pudong New District, Shanghai, 201399, People’s Republic of China, Tel +86-18918181952, Email
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10
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Cao R, Yu H, Long H, Zhang H, Hao C, Shi L, Du Y, Jiao S, Guo A, Ma L, Wang Z. Low Deacetylation Degree Chitosan Oligosaccharide Protects against IL-1β Induced Inflammation and Enhances Autophagy Activity in Human Chondrocytes. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2021; 33:517-531. [PMID: 34704529 DOI: 10.1080/09205063.2021.1996962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Osteoarthritis (OA) is a degenerative joint disease, which can lead to joint pain, stiffness, deformity and dysfunction, that seriously affects the quality of life in patients. At present, the treatments of OA mainly include early pharmacological treatment and late joint replacement. However, current pharmacological treatment has limited efficacy and undesired side effects.Chitosan oligosaccharide (COS) is a kind of nontoxic and biodegradable oligo-saccharide, which is composed of 2-20 glucosamine or N-acetylglucosamine linked by β-1,4 glycosidic bond. Studies have shown that COS has significant biological properties like antimicrobial, anti-inflammatory, antioxidant, and anti-tumor, as well as immunoregulation ability. However, the effects of COS on OA have not been clarified. In this study, we explored the protective effects of COS with different degrees of deacetylation on chondrocytes stimulated by interleukin 1β (IL-1β) in vitro.The results showed that IL-1β inhibited cell proliferation and promoted cell apoptosis. Besides that, IL-1β increased the expression of the major chondro-degrading genes MMP13 and ADAMTS-5, while decreased the expression of COL2A and ACAN. COS with different degrees of deacetylation (HDACOS, MDACOS, LDACOS) had different effects on IL-1β induced inflammation. LDACOS had the most obvious anti-inflammatory effects to inhibit the expression of MMP13 and ADAMTS-5 while promoted the expression of COL2A and ACAN. In addition, we found that the expression of autophagy-related gene Beclin-1 was up-regulated, and the ratio of LC3-II/LC3-I was increased in the LDACOS group. Furthermore, transmission electron microscopy (TEM) analysis showed that the number of intracellular autophagosomes increased significantly with the treatment of LDACOS. Based on our research, we suggested that LDACOS could inhibit chondrocytes inflammation and promote cell autophagy, and might be a protective drug for the treatment of OA.
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Affiliation(s)
- Ruiqi Cao
- Department of Orthopedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Haomiao Yu
- Department of Orthopedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Huibin Long
- Department of Orthopedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Hongrui Zhang
- Department of Orthopedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Chao Hao
- Department of Orthopedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Lin Shi
- Department of Orthopedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Yuguang Du
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China
| | - Siming Jiao
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China
| | - Ai Guo
- Department of Orthopedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Lifeng Ma
- Department of Orthopedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Zhuo Wang
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China
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Zheng X, Feng M, Wan J, Shi Y, Xie X, Pan W, Hu B, Wang Y, Wen H, Wang K, Cai S. Anti-damage effect of theaflavin-3'-gallate from black tea on UVB-irradiated HaCaT cells by photoprotection and maintaining cell homeostasis. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2021; 224:112304. [PMID: 34536907 DOI: 10.1016/j.jphotobiol.2021.112304] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 08/11/2021] [Accepted: 09/09/2021] [Indexed: 12/24/2022]
Abstract
Keratinocytes are rich in lipids and are the main sensitive cells to ultraviolet (UV) rays. Theaflavins are the core functional components of black tea and are known as the "soft gold" in tea. In this study, ultraviolet-B (UVB) irradiation caused apoptosis and necrosis of human epidermal keratinocytes (HaCaT). EGCG and the four theaflavins had anti-UVB damage activity, among which theaflavin-3'-gallate (TF3'G) had the best activity. The results of biophysical and molecular biology experiments showed that TF3'G has anti-damage effects on UVB-irradiated HaCaT cells through the dual effects of photoprotection and maintenance of cell homeostasis. That is, TF3'G preincubation could absorb UV rays, reduce the accumulation of aging-related heterochromatin (SAHF) formation, increase mitochondrial membrane potential, downregulate NF-κB inflammation pathways, inhibit the formation of cytotoxic aggregates, and protect biological macromolecules Structure, etc. The accumulation of conjugated π bonds and the balance benzoquinone are the core functional structure of TF3'G with high efficiency and low toxicity. The study indicates that TF3'G has the potential to inhibit the photoaging and intrinsic aging of skin cells.
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Affiliation(s)
- Xin Zheng
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China; Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China; Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China
| | - Meiyan Feng
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China; Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China; Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China
| | - Juan Wan
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China; Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China; Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China
| | - Yulan Shi
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China; Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China; Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China
| | - Xinya Xie
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China; Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China; Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China
| | - Wenjing Pan
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China; Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China; Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China
| | - Baozhu Hu
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China; Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China; Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China
| | - Yingzi Wang
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China; Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China; Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China
| | - Haitao Wen
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China; Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China; Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China
| | - Kunbo Wang
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China; Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China; Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China.
| | - Shuxian Cai
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China; Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China; Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China.
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12
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Resveratrol Inhibits Secretion of Interleukin 8 by Regulation of Autophagic Flux in Ultraviolet B-stimulated Keratinocytes. INTERNATIONAL JOURNAL OF DERMATOLOGY AND VENEREOLOGY 2021. [DOI: 10.1097/jd9.0000000000000163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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13
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Umar SA, Tasduq SA. Integrating DNA damage response and autophagy signalling axis in ultraviolet-B induced skin photo-damage: a positive association in protecting cells against genotoxic stress. RSC Adv 2020; 10:36317-36336. [PMID: 35517978 PMCID: PMC9057019 DOI: 10.1039/d0ra05819j] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 09/13/2020] [Indexed: 01/27/2023] Open
Abstract
The skin acts as both physical as well as an immunological barrier against hazardous agents from the outside environment and protects the internal organs against damage. Skin ageing is a dynamic process caused by the influence of various external factors, including damage from ultraviolet (UV-B) radiation, which is known as photo-ageing, and due to internal chronological mechanisms. A normal ageing process requires several orchestrated defense mechanisms to diverse types of stress responses, the concomitant renewal of cellular characteristics, and the homeostasis of different cell types that directly or indirectly protect the integrity of skin. Cumulative oxidative and endoplasmic reticulum (ER) stress responses and their adverse impact on biological systems in the skin are a common mechanism of the ageing process, negatively impacting DNA by causing mutations that lead to many physiological, functional, and aesthetic changes in the skin, culminating in the development of many diseases, including photo-damage and photo-carcinogenesis. Exposure of the skin to ultraviolet-(B) elicits the activation of signal transduction pathways, including DNA damage response, autophagy, and checkpoint signal adaptations associated with clearing radiation-induced DNA damage. Recent experimental reports suggest that autophagy is involved in maintaining skin homeostasis upon encountering different stresses, notably genotoxic stress. It has also been revealed that autophagy positively regulates the recognition of DNA damage by nucleotide excision repair and that skin ageing is associated with defects in the autophagy process. Moreover, autophagy is constitutively active in the skin epithelium, imparting protection to skin cells against a diverse range of outside insults, thus increasing resistance to environmental stressors. It has also been found that the stress-induced suppression of the autophagy response in experimental settings leads to enhanced apoptosis during photo-ageing upon UV-B exposure and that the maintenance of homeostasis depends on cellular autophagy levels. More recent reports in this domain claim that relieving the oxidative-stress-mediated induction of the ER stress response upon UV-B irradiation protects skin cells from photo-damage effects. The integration of autophagy and the DNA damage response under genotoxic stress is being considered as a meaningful partnership for finding novel molecular targets and devising suitable therapeutic strategies against photo-ageing disorders. Here, we summarize and review the current understanding of the mechanisms governing the intricate interplay between autophagy and the DNA damage response and its regulation by UV-B, the roles of autophagy in regulating the cellular response to UV-B-induced photodamage, and the implications of the modulation of autophagy as a meaningful partnership in the treatment and prevention of photoaging disorders.
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Affiliation(s)
- Sheikh Ahmad Umar
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
- Pharmacokinetics-Pharmacodynamics and Toxicology Division, CSIR-Indian Institute of Integrative Medicine Jammu Tawi Jammu and Kashmir India +91-1912569000-10 ext.332
| | - Sheikh Abdullah Tasduq
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
- Pharmacokinetics-Pharmacodynamics and Toxicology Division, CSIR-Indian Institute of Integrative Medicine Jammu Tawi Jammu and Kashmir India +91-1912569000-10 ext.332
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14
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Chen Y, Xiao T, Xu S, Gu H, Li M, Chen X. Ultraviolet B induces proteolytic cleavage of the pyroptosis inducer gasdermin E in keratinocytes. J Dermatol Sci 2020; 100:160-163. [PMID: 33004249 DOI: 10.1016/j.jdermsci.2020.08.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Revised: 08/31/2020] [Accepted: 08/31/2020] [Indexed: 01/08/2023]
Affiliation(s)
- Yujie Chen
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China
| | - Ta Xiao
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China
| | - Song Xu
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China
| | - Heng Gu
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China.
| | - Min Li
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China; Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China.
| | - Xu Chen
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China; Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China.
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15
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Glucose Exerts an Anti-Melanogenic Effect by Indirect Inactivation of Tyrosinase in Melanocytes and a Human Skin Equivalent. Int J Mol Sci 2020; 21:ijms21051736. [PMID: 32138354 PMCID: PMC7084727 DOI: 10.3390/ijms21051736] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 02/28/2020] [Accepted: 03/01/2020] [Indexed: 01/04/2023] Open
Abstract
Sugars are ubiquitous in organisms and well-known cosmetic ingredients for moisturizing skin with minimal side-effects. Glucose, a simple sugar used as an energy source by living cells, is often used in skin care products. Several reports have demonstrated that sugar and sugar-related compounds have anti-melanogenic effects on melanocytes. However, the underlying molecular mechanism by which glucose inhibits melanin synthesis is unknown, even though glucose is used as a whitening as well as moisturizing ingredient in cosmetics. Herein, we found that glucose significantly reduced the melanin content of α-melanocyte-stimulating hormone (MSH)-stimulated B16 cells and darkly pigmented normal human melanocytes with no signs of cytotoxicity. Furthermore, topical treatment of glucose clearly demonstrated its whitening efficacy through photography, Fontana-Masson (F&M) staining, and multi-photon microscopy in a pigmented 3D human skin model, MelanoDerm. However, glucose did not alter the gene expression or protein levels of major melanogenic proteins in melanocytes. While glucose potently decreased intracellular tyrosinase activity in melanocytes, it did not reduce mushroom tyrosinase activity in a cell-free experimental system. However, glucose was metabolized into lactic acid, which can powerfully suppress tyrosinase activity. Thus, we concluded that glucose indirectly inhibits tyrosinase activity through conversion into lactic acid, explaining its anti-melanogenic effects in melanocytes.
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