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Favarin A, Becker G, Brum ES, Serafini PT, Marquezin LP, Brusco I, Oliveira SM. Topical diosmetin attenuates nociception and inflammation in a ultraviolet B radiation-induced sunburn model in mice. Inflammopharmacology 2024:10.1007/s10787-024-01507-x. [PMID: 38907857 DOI: 10.1007/s10787-024-01507-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Accepted: 06/06/2024] [Indexed: 06/24/2024]
Abstract
Burns are a global health problem and can be caused by several factors, including ultraviolet (UV) radiation. Exposure to UVB radiation can cause sunburn and a consequent inflammatory response characterised by pain, oedema, inflammatory cell infiltration, and erythema. Pharmacological treatments available to treat burns and the pain caused by them include nonsteroidal anti-inflammatory drugs (NSAIDs), opioids, antimicrobials and glucocorticoids, which are associated with adverse effects. Therefore, the search for new therapeutic alternatives is needed. Diosmetin, an aglycone of the flavonoid diosmin, has antinociceptive, antioxidant and anti-inflammatory properties. Thus, we evaluated the antinociceptive and anti-inflammatory effects of topical diosmetin (0.01, 0.1 and 1%) in a UVB radiation-induced sunburn model in mice. The right hind paw of the anaesthetised mice was exposed only once to UVB radiation (0.75 J/cm2) and immediately treated with diosmetin once a day for 5 days. The diosmetin antinociceptive effect was evaluated by mechanical allodynia and pain affective-motivational behaviour, while its anti-inflammatory activity was assessed by measuring paw oedema and polymorphonuclear cell infiltration. Mice exposed to UVB radiation presented mechanical allodynia, increased pain affective-motivational behaviour, paw oedema and polymorphonuclear cell infiltration into the paw tissue. Topical Pemulen® TR2 1% diosmetin reduced the mechanical allodynia, the pain affective-motivational behaviour, the paw oedema and the number of polymorphonuclear cells in the mice's paw tissue similar to that presented by Pemulen® TR2 0.1% dexamethasone. These findings indicate that diosmetin has therapeutic potential and may be a promising strategy for treating patients experiencing inflammatory pain, especially those associated with sunburn.
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Affiliation(s)
- Amanda Favarin
- Laboratory of Neurotoxicity and Psychopharmacology - Pain Research Group, Centre of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Gabriela Becker
- Laboratory of Neurotoxicity and Psychopharmacology - Pain Research Group, Centre of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil
- Graduate Program in Biological Sciences: Toxicological Biochemistry, Centre of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Evelyne Silva Brum
- Laboratory of Neurotoxicity and Psychopharmacology - Pain Research Group, Centre of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil
- Graduate Program in Biological Sciences: Toxicological Biochemistry, Centre of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Patrick Tuzi Serafini
- Laboratory of Neurotoxicity and Psychopharmacology - Pain Research Group, Centre of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil
- Graduate Program in Biological Sciences: Toxicological Biochemistry, Centre of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Lara Panazzolo Marquezin
- Laboratory of Neurotoxicity and Psychopharmacology - Pain Research Group, Centre of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Indiara Brusco
- Laboratory of Neurotoxicity and Psychopharmacology - Pain Research Group, Centre of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil
- Graduate Program in Biological Sciences: Toxicological Biochemistry, Centre of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil
- Graduate Program in Environmental Sciences, Community University of Chapecó Region, Chapecó, SC, Brazil
| | - Sara Marchesan Oliveira
- Laboratory of Neurotoxicity and Psychopharmacology - Pain Research Group, Centre of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil.
- Graduate Program in Biological Sciences: Toxicological Biochemistry, Centre of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil.
- Department of Biochemistry and Molecular Biology, Centre of Natural and Exact Sciences, Federal University of Santa Maria, Av. Roraima 1000, Camobi, Santa Maria, RS, 97105-900, Brazil.
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Zhang H, Sun W, Zhang J, Ma J. Vacuum-ultraviolet based advanced oxidation and reduction processes for water treatment. JOURNAL OF HAZARDOUS MATERIALS 2024; 471:134432. [PMID: 38691932 DOI: 10.1016/j.jhazmat.2024.134432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Revised: 04/02/2024] [Accepted: 04/24/2024] [Indexed: 05/03/2024]
Abstract
The use of vacuum-ultraviolet (VUV) photolysis in water treatment has been gaining significant interest due to its efficacy in degrading refractory organic contaminants and eliminating oxyanions. In recent years, the reactive species driving pollutant decomposition in VUV-based advanced oxidation and reduction processes (VUV-AOPs and VUV-ARPs) have been identified. This review aims to provide a concise overview of VUV photolysis and its advancements in water treatment. We begin with an introduction to VUV irradiation, followed by a summary of the primary reactive species in both VUV-AOPs and VUV-ARPs. We then explore the factors influencing VUV-photolysis in water treatment, including VUV irradiation dose, catalysts or activators, dissolved gases, water matrix components (e.g., DOM and inorganic anions), and solution pH. In VUV-AOPs, the predominant reactive species are hydroxyl radicals (˙OH), hydrogen peroxide (H2O2), and ozone (O3). Conversely, in VUV-ARPs, the main reactive species are the hydrated electron (eaq-) and hydrogen atom (˙H). It is worth noting that VUV-based advanced oxidation/reduction processes (VUV-AORPs) can transit between VUV-AOPs and VUV-ARPs based on the externally added chemicals and dissolved gases in the solution. Increase of the VUV irradiation dose and the concentration of catalysts/activators enhances the degradation of contaminants, whereas DOM and inorganic anions inhibit the reaction. The pH influences the redox potential of ˙OH, the speciation of contaminants and activators, and thus the overall performance of the VUV-AOPs. Conversely, an alkaline pH is favored in VUV-ARPs because eaq- predominates at higher pH.
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Affiliation(s)
- Honglong Zhang
- School of Environment, Harbin Institute of Technology, Harbin 150090, PR China; Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, PR China
| | - Wenjun Sun
- School of Environment, Tsinghua University, Beijing 100084, PR China
| | - Jing Zhang
- School of Environment, Harbin Institute of Technology, Harbin 150090, PR China.
| | - Jun Ma
- School of Environment, Harbin Institute of Technology, Harbin 150090, PR China
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Li X, Wang Y, Wang X, Shen Y, Yuan Y, He Q, Mao S, Wu C, Zhou M. Downregulation of SMAD4 protects HaCaT cells against UVB-induced damage and oxidative stress through the activation of EMT. Photochem Photobiol Sci 2024; 23:1051-1065. [PMID: 38684635 DOI: 10.1007/s43630-024-00574-x] [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: 12/28/2023] [Accepted: 04/04/2024] [Indexed: 05/02/2024]
Abstract
As a member of the SMAD family, SMAD4 plays a crucial role in several cellular biological processes. However, its function in UVB radiation-induced keratinocyte damage is not yet clarified. Our study aims to provide mechanistic insight for the development of future UVB protective therapies and therapeutics involving SMAD4. HaCaT cells were treated with UVB, and the dose dependence and time dependence of UVB were measured. The cell function of UVB-treated HaCaT cells and the activity of epithelial-mesenchymal transition (EMT) after overexpression or silencing of SMAD4 was observed by flow cytometry, quantitative reverse transcription PCR (qRT-PCR) and Western Blots (WB). We found that a significant decrease in SMAD4 was observed in HaCaT cells induced by UVB. Our data confirm SMAD4 as a direct downstream target of miR-664. The down-regulation of SMAD4 preserved the viability of the UVB-treated HaCaT cells by inhibiting autophagy or apoptosis. Furthermore, the silencing of SMAD4 activated the EMT process in UVB-treated HaCaT cells. Down-regulation of SMAD4 plays a protective role in UVB-treated HaCaT cells via the activation of EMT.
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Affiliation(s)
- Xiangzhi Li
- Department of Radiation Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, 510515, China
- Department of Public Health, School of Medicine, Guangxi University of Science and Technology, Liuzhou, 545000, China
- Taizhou Key Laboratory of Minimally Invasive Interventional Therapy & Artificial Intelligence, Taizhou Branch of Zhejiang Cancer Hospital (Taizhou Cancer Hospital), Taizhou, 317502, China
| | - Yimeng Wang
- Department of Radiation Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, 510515, China
- Yancheng Center for Disease Control and Prevention, Yancheng, 224000, China
| | - Xian Wang
- Department of Public Health and Management, Youjiang Medical University for Nationalities, Baise, 533000, China
| | - Yi Shen
- Department of Public Health and Management, Youjiang Medical University for Nationalities, Baise, 533000, China
| | - Yawen Yuan
- Department of Radiation Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, 510515, China
| | - Qingquan He
- Taizhou Key Laboratory of Minimally Invasive Interventional Therapy & Artificial Intelligence, Taizhou Branch of Zhejiang Cancer Hospital (Taizhou Cancer Hospital), Taizhou, 317502, China
| | - Shuyi Mao
- Nuclear Medicine Department, The Second Affiliated Hospital of Guangxi University of Science and Technology, Liuzhou, 545006, China
| | - Cailian Wu
- Department of Public Health, School of Medicine, Guangxi University of Science and Technology, Liuzhou, 545000, China
| | - Meijuan Zhou
- Department of Radiation Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, 510515, China.
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Castejón-Griñán M, Cerdido S, Sánchez-Beltrán J, Lambertos A, Abrisqueta M, Herraiz C, Jiménez-Cervantes C, García-Borrón JC. Melanoma-associated melanocortin 1 receptor variants confer redox signaling-dependent protection against oxidative DNA damage. Redox Biol 2024; 72:103135. [PMID: 38565069 PMCID: PMC11002308 DOI: 10.1016/j.redox.2024.103135] [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: 02/12/2024] [Revised: 03/12/2024] [Accepted: 03/25/2024] [Indexed: 04/04/2024] Open
Abstract
Cutaneous melanoma, a lethal skin cancer, arises from malignant transformation of melanocytes. Solar ultraviolet radiation (UVR) is a major environmental risk factor for melanoma since its interaction with the skin generates DNA damage, either directly or indirectly via oxidative stress. Pheomelanin pigments exacerbate oxidative stress in melanocytes by UVR-dependent and independent mechanisms. Thus, oxidative stress is considered to contribute to melanomagenesis, particularly in people with pheomelanic pigmentation. The melanocortin 1 receptor gene (MC1R) is a major melanoma susceptibility gene. Frequent MC1R variants (varMC1R) associated with fair skin and red or yellow hair color display hypomorphic signaling to the cAMP pathway and are associated with higher melanoma risk. This association is thought to be due to production of photosensitizing pheomelanins as well as deficient induction of DNA damage repair downstream of varMC1R. However, the data on modulation of oxidative DNA damage repair by MC1R remain scarce. We recently demonstrated that varMC1R accelerates clearance of reactive oxygen species (ROS)-induced DNA strand breaks in an AKT-dependent manner. Here we show that varMC1R also protects against ROS-dependent formation of 8-oxodG, the most frequent oxidative DNA lesion. Since the base excision repair (BER) pathway mediates clearance of these DNA lesions, we analyzed induction of BER enzymes in human melanoma cells of varMC1R genotype. Agonist-mediated activation of both wildtype (wtMC1R) and varMC1R significantly induced OGG and APE-1/Ref1, the rate-limiting BER enzymes responsible for repair of 8-oxodG. Moreover, we found that NADPH oxidase (NOX)-dependent generation of ROS was responsible for AKT activation and oxidative DNA damage repair downstream of varMC1R. These observations provide a better understanding of the functional properties of melanoma-associated MC1R alleles and may be useful for the rational development of strategies to correct defective varMC1R responses for efficient photoprotection and melanoma prevention in fair-skinned individuals.
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Affiliation(s)
- María Castejón-Griñán
- Department of Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Murcia and Biomedical Research Institute of Murcia (Instituto Murciano de Investigación Biosanitaria, IMIB), El Palmar, Murcia, Spain.
| | - Sonia Cerdido
- Department of Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Murcia and Biomedical Research Institute of Murcia (Instituto Murciano de Investigación Biosanitaria, IMIB), El Palmar, Murcia, Spain.
| | - José Sánchez-Beltrán
- Department of Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Murcia and Biomedical Research Institute of Murcia (Instituto Murciano de Investigación Biosanitaria, IMIB), El Palmar, Murcia, Spain.
| | - Ana Lambertos
- Department of Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Murcia and Biomedical Research Institute of Murcia (Instituto Murciano de Investigación Biosanitaria, IMIB), El Palmar, Murcia, Spain.
| | - Marta Abrisqueta
- Department of Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Murcia and Biomedical Research Institute of Murcia (Instituto Murciano de Investigación Biosanitaria, IMIB), El Palmar, Murcia, Spain.
| | - Cecilia Herraiz
- Department of Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Murcia and Biomedical Research Institute of Murcia (Instituto Murciano de Investigación Biosanitaria, IMIB), El Palmar, Murcia, Spain.
| | - Celia Jiménez-Cervantes
- Department of Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Murcia and Biomedical Research Institute of Murcia (Instituto Murciano de Investigación Biosanitaria, IMIB), El Palmar, Murcia, Spain.
| | - José Carlos García-Borrón
- Department of Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Murcia and Biomedical Research Institute of Murcia (Instituto Murciano de Investigación Biosanitaria, IMIB), El Palmar, Murcia, Spain.
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Gary AS, Amouret S, Montoni A, Rochette PJ. MLKL, a new actor of UVB-induced apoptosis in human diploid dermal fibroblasts. Cell Death Discov 2024; 10:232. [PMID: 38744823 PMCID: PMC11093999 DOI: 10.1038/s41420-024-02004-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 04/30/2024] [Accepted: 05/02/2024] [Indexed: 05/16/2024] Open
Abstract
Ultraviolet radiation (UVR) is a major environmental mutagen. In skin, UVR can initiate cancer through the induction of mutagenic DNA damage and promote its progression. An important cancer prevention mechanism is the regulated cell death (RCD), which can safely dispose of damaged cells. Apoptosis, a well-known RCD, is known to be activated by UVR, but part of the mechanism and proteins involved in UVR-induced apoptosis are still to be discovered. Receptor-interacting serine/threonine-protein kinase 3 (RIPK3) and mixed lineage kinase domain-like (MLKL) are two proteins involved in necroptosis, a form of RCD. Here, we have evaluated the implication of RIPK3 and MLKL in UVB-induced cell death in human diploid dermal fibroblasts. Our results show that RIPK3 and MLKL play opposite roles in UVB-induced cell death, in a necroptosis independent pathway. We showed that RIPK3 protects cells from UVB cell death, while MLKL sensitizes cells to UVB-induced apoptosis. Taken together these results are the first to show the implication of RIPK3 and MLKL in survival and apoptosis, respectively, bringing two new actors in UVB-induced cell death pathway.
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Affiliation(s)
- Anne-Sophie Gary
- Centre de Recherche du CHU de Québec - Université Laval, Axe Médecine Régénératrice, Hôpital du Saint-Sacrement, Québec, QC, Canada
- Centre de Recherche en Organogénèse Expérimentale de l'Université Laval/LOEX, Université Laval, Québec, QC, Canada
| | - Sophie Amouret
- Centre de Recherche du CHU de Québec - Université Laval, Axe Médecine Régénératrice, Hôpital du Saint-Sacrement, Québec, QC, Canada
- Centre de Recherche en Organogénèse Expérimentale de l'Université Laval/LOEX, Université Laval, Québec, QC, Canada
| | - Alicia Montoni
- Centre de Recherche du CHU de Québec - Université Laval, Axe Médecine Régénératrice, Hôpital du Saint-Sacrement, Québec, QC, Canada
- Centre de Recherche en Organogénèse Expérimentale de l'Université Laval/LOEX, Université Laval, Québec, QC, Canada
| | - Patrick J Rochette
- Centre de Recherche du CHU de Québec - Université Laval, Axe Médecine Régénératrice, Hôpital du Saint-Sacrement, Québec, QC, Canada.
- Centre de Recherche en Organogénèse Expérimentale de l'Université Laval/LOEX, Université Laval, Québec, QC, Canada.
- Département d'Ophtalmologie et ORL - chirurgie cervico-faciale, Université Laval, Québec, QC, Canada.
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Londero JEL, Viana AR, Silva LD, Schavinski CR, Schuch AP. Limited contribution of photoenzymatic DNA repair in mitigating carry-over effects from larval UVB exposure: Implications for frog recruitment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 924:171647. [PMID: 38479531 DOI: 10.1016/j.scitotenv.2024.171647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 03/06/2024] [Accepted: 03/09/2024] [Indexed: 03/18/2024]
Abstract
Solar ultraviolet-B (UVB) radiation has increased due to stratospheric ozone depletion, climate and ecosystem changes and is a driver of amphibian population declines. Photoenzymatic repair (PER) is a critical mechanism for limiting UVB lethality in amphibian larvae. However, the link between PER and the UVB-induced effects remains understudied through long-term investigations in vivo. Here, we assessed how larval PER determines the lethal and sublethal effects induced by environmentally relevant acute UVB exposure until the juvenile phase in the Neotropical frog Odontophrynus americanus. We conducted laboratory-based controlled experiments in which tadpoles were or were not exposed to UVB and subsequently were exposed to light (for PER activation) or dark treatments. Results showed that the rates of mortality and apoptosis observed in post-UVB dark treatment are effectively limited in post-UVB light treatment, indicating PER (and not dark repair, i.e. nucleotide excision repair) is critical to limit the immediate genotoxic impact of UVB-induced pyrimidine dimers. Nonetheless, even tadpoles that survived UVB exposure using PER showed sublethal complications that extended to the juvenile phase. Tadpole responses included alterations in morphology, chromosomal instability, increased skin susceptibility to fungal proliferation, as well as increased generation of reactive oxygen species. The short-term effects were carried over to later stages of life because metamorphosis time increased and juveniles were smaller. No body abnormalities were visualized in tadpoles, metamorphs, and juveniles, suggesting that O. americanus is UVB-resistant concerning these responses. This study reveals that even frog species equipped with an effective PER are not immune to carry-over effects from early UVB exposure, which are of great ecological relevance as late metamorphosis and smaller juveniles may impact individual performance and adult recruitment to breeding. Future ecological risk assessments and conservation and management efforts for amphibian species should exercise caution when linking PER effectiveness to UVB resistance.
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Affiliation(s)
- James Eduardo Lago Londero
- Post-Graduation Program in Biological Sciences: Toxicological Biochemistry, Department of Biochemistry and Molecular Biology, Federal University of Santa Maria, Santa Maria, RS, Brazil; Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Altevir Rossato Viana
- Post-Graduation Program in Biological Sciences: Toxicological Biochemistry, Department of Biochemistry and Molecular Biology, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Larissa Duailibe Silva
- Post-Graduation Program in Biological Sciences: Toxicological Biochemistry, Department of Biochemistry and Molecular Biology, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Cassiano Ricardo Schavinski
- Post-Graduation Program in Biological Sciences: Toxicological Biochemistry, Department of Biochemistry and Molecular Biology, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - André Passaglia Schuch
- Post-Graduation Program in Biological Sciences: Toxicological Biochemistry, Department of Biochemistry and Molecular Biology, Federal University of Santa Maria, Santa Maria, RS, Brazil; Post-Graduation Program in Animal Biodiversity, Department of Ecology and Evolution, Federal University of Santa Maria, Santa Maria, RS, Brazil.
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Hafez SY, Alraddadi EA, Ramadan M, Alsalamah F, Alghumuy R, Aljuhani FF. Assessment of prevalence of sunscreen use and related practices among people living in Saudi Arabia: A cross-sectional survey-based study. J Cosmet Dermatol 2024; 23:1718-1725. [PMID: 38234195 DOI: 10.1111/jocd.16191] [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: 11/09/2023] [Revised: 01/03/2024] [Accepted: 01/08/2024] [Indexed: 01/19/2024]
Abstract
BACKGROUND The use of sunscreen significantly reduces the risk of skin cancer and helps maintain skin health; however, improper use can decrease its effectiveness. This study aimed to investigate the prevalence and factors associated with sunscreen use in Saudi Arabia as well as identifying areas of weakness in sunscreen practices. METHODS A cross-sectional survey-based study was conducted with a diverse population sample in Saudi Arabia. Participants were asked about their sunscreen usage habits, motivations, and knowledge of proper application techniques. Demographic information, including age, gender, and skin type, were also collected. RESULTS A total of 2321 individuals participated in the study. More than two-thirds of the participants reported using sunscreen either always, regularly, or often, primarily to maintain a light skin color and prevent skin cancer. Factors associated with sunscreen use included younger age (18-40 years old), female gender, history of sunburn, and fair skin. Despite the majority reporting healthy sun exposure habits, several shortcomings were identified in sunscreen practices, including incorrect application and suboptimal reapplication frequency. CONCLUSION While sunscreen use is common among the study population, there is a need for improved education on proper application techniques. National awareness campaigns, especially those utilizing popular social media and digital platforms in Saudi Arabia, should focus on disseminating accurate sunscreen use guidelines to maximize sun protection and skin health.
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Affiliation(s)
- Salwa Y Hafez
- College of Nursing, King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
- King Abdullah International Medical Research Center, Jeddah, Saudi Arabia
- Ministry of National Guard - Health Affairs, Jeddah, Saudi Arabia
| | - Eman A Alraddadi
- King Abdullah International Medical Research Center, Jeddah, Saudi Arabia
- Ministry of National Guard - Health Affairs, Jeddah, Saudi Arabia
- Department of Basic Sciences, College of Science and Health Professions, King Saud bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
| | - Majed Ramadan
- Ministry of National Guard - Health Affairs, Jeddah, Saudi Arabia
- Population Health Department, King Abdullah International Medical Research Center, King Saud bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
- Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia
| | - Faris Alsalamah
- Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia
- King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
| | - Raghad Alghumuy
- College of Nursing, King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
- King Abdullah International Medical Research Center, Jeddah, Saudi Arabia
| | - Faisal F Aljuhani
- King Abdullah International Medical Research Center, Jeddah, Saudi Arabia
- Collage of Medicine, King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
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Girardi C, Benato F, Massironi M, Vindigni V, Stuhlmann D, Massironi M. Evaluation of human skin response to solar-simulated radiation in an ex vivo model: Effects and photoprotection of L-Carnosine. Photochem Photobiol 2024; 100:733-745. [PMID: 37675862 DOI: 10.1111/php.13850] [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: 04/17/2023] [Revised: 06/28/2023] [Accepted: 08/16/2023] [Indexed: 09/08/2023]
Abstract
Sunlight, and more specifically the UV component, induces several skin damages, including sunburns, erythema and photoaging. The purpose of this work is to set up an ex vivo human skin model to assess the capacity of active principles in protecting skin from the deleterious effects of solar radiation. Ex vivo human skin biopsies were cultured in an air-liquid interface and exposed to solar-simulated radiation (SSR, 300-750 nm). L-Carnosine (0.2% and 2%) was applied topically to be tested as photoprotective compound. The effect on oxidative stress induction, photoaging and skin transcriptional profile was assessed by evaluating reactive oxygen species, advanced glycosylation end products formation and gene expression changes. In our model, SSR increases ROS production and AGE accumulation and affects the expression of genes related to oxidative stress, pigmentation, immunity, inflammation and photoaging. Among these pathways, 11 genes were selected as biomarkers to evaluate the skin solar radiation response. Results showed that L-Carnosine provides effective prevention against solar radiation damages reducing ROS, AGEs and mitigating the modulation of the selected biomarker genes. In conclusion, we report that our ex vivo skin model is a valuable system to assess the consequences of solar light exposure and the capacity of topically applied L-Carnosine to counteract them.
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Affiliation(s)
| | | | | | - Vincenzo Vindigni
- Clinic of Plastic and Reconstructive Surgery, University of Padova, Padova, Italy
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Busuttil N, Khalaf R, Galea I, Calleja J. A Case Study of Emphysematous Cystitis in a Non-diabetic Patient Following Empagliflozin Use: An Uncommon Presentation. Cureus 2024; 16:e61150. [PMID: 38803403 PMCID: PMC11128943 DOI: 10.7759/cureus.61150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/25/2024] [Indexed: 05/29/2024] Open
Abstract
Emphysematous cystitis (EC), a rare urinary tract infection characterized by gas accumulation in the bladder walls, is predominantly seen in diabetic patients. This case study discusses an 83-year-old non-diabetic male with end-stage heart failure who presented with symptoms of EC after being administered empagliflozin. The unique presentation suggests a possible link between empagliflozin and EC in non-diabetic heart failure patients, a connection previously undocumented in medical literature, emphasizing the importance of vigilant monitoring and further research in this area.
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Affiliation(s)
| | - Rami Khalaf
- Medicine, Queen Mary University of London, Gozo, MLT
| | - Ian Galea
- Family and Community Medicine, Gozo General Hospital, Gozo, MLT
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Lei D, Ye L, Wen S, Zhang J, Zhang L, Man MQ. Preventive and Therapeutic Benefits of Natural Ingredients in Photo-Induced Epidermal Dysfunction. Skin Pharmacol Physiol 2024:1-18. [PMID: 38615652 DOI: 10.1159/000538832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 04/03/2024] [Indexed: 04/16/2024]
Abstract
BACKGROUND The skin, particularly the epidermis, is subjected to various external stresses, including ultraviolet (UV) irradiation. UV irradiation, mainly UVB at wavelength of 280-315 nm, can alter several epidermal functions, including cutaneous inflammation, epidermal hyperproliferation, DNA damage, disruption of epidermal permeability barrier and reduction in stratum corneum hydration levels. Because of the negative impacts of UVB irradiation on epidermal functions, great efforts have been made to develop regimens for the protection of alterations in epidermal function induced by UV irradiation. SUMMARY While sunscreen can provide physical barrier to UV light, some natural ingredients can also effectively protect the skin from UVB irradiation-induced damages. Studies have demonstrated that either topical or oral administrations of some natural ingredients attenuate UVB irradiation-induced alterations in the epidermal function. The underlying mechanisms by which natural ingredients improve epidermal functions are attributable to antioxidation, stimulation of keratinocyte differentiation, increases in the content of epidermal natural moisturizers and inhibition of inflammation. KEY MESSAGE Some natural ingredients exhibit protective and therapeutical benefits in photo-induced epidermal dysfunctions via divergent mechanisms.
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Affiliation(s)
- Dongyun Lei
- Department of Dermatology, Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital, Tianjin, China
| | - Li Ye
- Dermatology Hospital, Southern Medical University, Guangzhou, China
| | - Si Wen
- Dermatology Hospital, Southern Medical University, Guangzhou, China
| | - Junling Zhang
- Department of Dermatology, Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital, Tianjin, China
| | - Litao Zhang
- Department of Dermatology, Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital, Tianjin, China
| | - Mao-Qiang Man
- Dermatology Hospital, Southern Medical University, Guangzhou, China
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11
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Oargă (Porumb) DP, Cornea-Cipcigan M, Cordea MI. Unveiling the mechanisms for the development of rosehip-based dermatological products: an updated review. Front Pharmacol 2024; 15:1390419. [PMID: 38666029 PMCID: PMC11043540 DOI: 10.3389/fphar.2024.1390419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Accepted: 03/28/2024] [Indexed: 04/28/2024] Open
Abstract
Rosa spp., commonly known as rosehips, are wild plants that have traditionally been employed as herbal remedies for the treatment of a wide range of disorders. Rosehip is a storehouse of vitamins, including A, B complex, C, and E. Among phytonutrients, vitamin C is found in the highest amount. As rosehips contain significant levels of vitamin C, they are perfect candidates for the development of skincare formulations that can be effectively used in the treatment of different skin disorders (i.e., scarring, anti-aging, hyperpigmentation, wrinkles, melasma, and atopic dermatitis). This research focuses on the vitamin C content of several Rosa sp. by their botanical and geographic origins, which according to research studies are in the following order: R. rugosa > R. montana > R. canina > R. dumalis, with lower levels in R. villosa and R. arvensis, respectively. Among rosehip species, R. canina is the most extensively studied species which also displays significant amounts of bioactive compounds, but also antioxidant, and antimicrobial activities (e.g., against Propionibacterium acnes, Staphylococcus aureus, S, epidermis, and S. haemolyticus). The investigation also highlights the use of rosehip extracts and oils to minimise the harmful effects of acne, which primarily affects teenagers in terms of their physical appearance (e.g., scarring, hyperpigmentation, imperfections), as well as their moral character (e.g., low self-confidence, bullying). Additionally, for higher vitamin C content from various rosehip species, the traditional (i.e., infusion, maceration, Soxhlet extraction) and contemporary extraction methods (i.e., supercritical fluid extraction, microwave-assisted, ultrasonic-assisted, and enzyme-assisted extractions) are highlighted, finally choosing the best extraction method for increased bioactive compounds, with emphasis on vitamin C content. Consequently, the current research focuses on assessing the potential of rosehip extracts as medicinal agents against various skin conditions, and the use of rosehip concentrations in skincare formulations (such as toner, serum, lotion, and sunscreen). Up-to-date studies have revealed that rosehip extracts are perfect candidates as topical application products in the form of nanoemulsions. Extensive in vivo studies have revealed that rosehip extracts also exhibit specific activities against multiple skin disorders (i.e., wound healing, collagen synthesis, atopic dermatitis, melasma, and anti-aging effects). Overall, with multiple dermatological actions and efficacies, rosehip extracts and oils are promising agents that require a thorough investigation of their functioning processes to enable their safe use in the skincare industry.
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Affiliation(s)
| | - Mihaiela Cornea-Cipcigan
- Laboratory of Cell Analysis and Plant Breeding, Department of Horticulture, Faculty of Horticulture and Business in Rural Development, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Cluj-Napoca, Romania
| | - Mirela Irina Cordea
- Laboratory of Cell Analysis and Plant Breeding, Department of Horticulture, Faculty of Horticulture and Business in Rural Development, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Cluj-Napoca, Romania
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12
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Hasegawa T, Noguchi S, Nakashima M, Miyai M, Goto M, Matsumoto Y, Torii S, Honda S, Shimizu S. Alternative autophagy dampens UVB-induced NLRP3 inflammasome activation in human keratinocytes. J Biol Chem 2024; 300:107173. [PMID: 38499149 PMCID: PMC11002869 DOI: 10.1016/j.jbc.2024.107173] [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: 09/01/2023] [Revised: 03/08/2024] [Accepted: 03/11/2024] [Indexed: 03/20/2024] Open
Abstract
Sunlight exposure results in an inflammatory reaction of the skin commonly known as sunburn, which increases skin cancer risk. In particular, the ultraviolet B (UVB) component of sunlight induces inflammasome activation in keratinocytes to instigate the cutaneous inflammatory responses. Here, we explore the intracellular machinery that maintains skin homeostasis by suppressing UVB-induced inflammasome activation in human keratinocytes. We found that pharmacological inhibition of autophagy promoted UVB-induced NLRP3 inflammasome activation. Unexpectedly, however, gene silencing of Atg5 or Atg7, which are critical for conventional autophagy, had no effect, whereas gene silencing of Beclin1, which is essential not only for conventional autophagy but also for Atg5/Atg7-independent alternative autophagy, promoted UVB-induced inflammasome activation, indicating an involvement of alternative autophagy. We found that damaged mitochondria were highly accumulated in UVB-irradiated keratinocytes when alternative autophagy was inhibited, and they appear to be recognized by NLRP3. Overall, our findings indicate that alternative autophagy, rather than conventional autophagy, suppresses UVB-induced NLRP3 inflammasome activation through the clearance of damaged mitochondria in human keratinocytes and illustrate a previously unknown involvement of alternative autophagy in inflammation. Alternative autophagy may be a new therapeutic target for sunburn and associated cutaneous disorders.
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Affiliation(s)
| | - Saori Noguchi
- Department of Pathological Cell Biology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | | | | | - Makiko Goto
- Shiseido Global Innovation Center, Yokohama, Japan
| | | | - Satoru Torii
- Department of Pathological Cell Biology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Shinya Honda
- Department of Pathological Cell Biology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Shigeomi Shimizu
- Department of Pathological Cell Biology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
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13
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Oh S, Jeong J, Kim M, Jin X, Zheng S, Kim YM, Yi TH. A study of anti-wrinkle functions and improvement of cream with Phaseolus angularis. Int J Cosmet Sci 2024; 46:318-332. [PMID: 38083804 DOI: 10.1111/ics.12932] [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: 09/25/2023] [Revised: 10/25/2023] [Accepted: 11/04/2023] [Indexed: 04/04/2024]
Abstract
Chronic exposure to ultraviolet (UV) radiation from sunlight accelerates skin ageing, which is followed by harsh, thick, dry and loose conditions. One of the most demonstrative symptoms is deep wrinkles induced by skin barrier disruption. Our previous research showed that Phaseolus angularis seed extract (PASE) effectively inhibits skin ageing through UVB protection in HaCaT cells by suppressing skin damage. However, its efficacy has not been evaluated in clinical trials so far. PASE cream's effectiveness was initially tested on the artificial skin model, revealing an increase in filaggrin and defence against skin damage. Based on these results, in this single-centred, randomized, double-blind study, we investigated the anti-ageing effect of PASE in human eye wrinkle areas. For these 21 healthy adult women aged 30 to 59, a PASE cream was applied to the right eye wrinkle area and a placebo to the left eye wrinkle area twice a day (morning and evening) for 12 weeks. The change in thick, deep crease wrinkles around the eyes was confirmed by visual evaluation, skin measurements and a questionnaire. As a result, the surface roughness (R1), maximum roughness (R2), average roughness (R3), smoothness depth (R4) and arithmetic mean roughness (R5) values in the group using the PASE cream all decreased. Particularly, R1, R4 and R5 significantly decreased by 18.1%, 18.6% and 25.0%, respectively. Subjects who applied PASE cream also experienced an improvement in skin moisture nearly twice the time compared to the placebo group. In addition, no participants reported side effects. Our study showed that PASE cream led to clinically significant levels of wrinkle improvement. In conclusion, as PASE is a natural, safe food with no side effects, it can be a good resource for natural anti-wrinkle functional cosmetics in the future.
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Affiliation(s)
- Sarang Oh
- College of Life Science, Kyung Hee University, Yongin-si, Korea
- Snowwhitefactory Co., Ltd., Seoul, Korea
| | | | - Myeongju Kim
- College of Life Science, Kyung Hee University, Yongin-si, Korea
| | - Xiangji Jin
- Department of Pharmacology, School of Medicine, Kyung Hee University, Seoul, Korea
| | - Shengdao Zheng
- College of Life Science, Kyung Hee University, Yongin-si, Korea
- Snowwhitefactory Co., Ltd., Seoul, Korea
| | - Yong-Min Kim
- School of Industrial Bio-pharmaceutical Science, Semyung University, Jecheon-si, Korea
| | - Tae-Hoo Yi
- College of Life Science, Kyung Hee University, Yongin-si, Korea
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14
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Li F, Zhi J, Zhao R, Sun Y, Wen H, Cai H, Chen W, Jiang X, Bai R. Discovery of matrix metalloproteinase inhibitors as anti-skin photoaging agents. Eur J Med Chem 2024; 267:116152. [PMID: 38278079 DOI: 10.1016/j.ejmech.2024.116152] [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: 12/13/2023] [Accepted: 01/11/2024] [Indexed: 01/28/2024]
Abstract
Photodamage is the result of prolonged exposure of the skin to sunlight. This exposure causes an overexpression of matrix metalloproteinases (MMPs), leading to the abnormal degradation of collagen in the skin tissue and resulting in skin aging and damage. This review presents a detailed overview of MMPs as a potential target for addressing skin aging. Specifically, we elucidated the precise mechanisms by which MMP inhibitors exert their anti-photoaging effects. Furthermore, we comprehensively analyzed the current research progress on MMP inhibitors that demonstrate significant inhibitory activity against MMPs and anti-skin photoaging effects. The review also provides insights into the structure-activity relationships of these inhibitors. Our objective in conducting this review is to provide valuable practical information to researchers engaged in investigations on anti-skin photoaging.
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Affiliation(s)
- Feifan Li
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-tumor Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Jia Zhi
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-tumor Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Rui Zhao
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-tumor Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Yinyan Sun
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-tumor Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Hao Wen
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-tumor Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Hong Cai
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-tumor Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Wenchao Chen
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-tumor Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Xiaoying Jiang
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-tumor Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Renren Bai
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-tumor Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China.
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15
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Calvo MJ, Navarro C, Durán P, Galan-Freyle NJ, Parra Hernández LA, Pacheco-Londoño LC, Castelanich D, Bermúdez V, Chacin M. Antioxidants in Photoaging: From Molecular Insights to Clinical Applications. Int J Mol Sci 2024; 25:2403. [PMID: 38397077 PMCID: PMC10889126 DOI: 10.3390/ijms25042403] [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: 11/05/2023] [Revised: 02/05/2024] [Accepted: 02/06/2024] [Indexed: 02/25/2024] Open
Abstract
Photoaging (PA) is considered a silent disease affecting millions of people globally and is defined as skin damage due to prolonged exposure to ultraviolet radiation (UVR) from the sun. Physiologically, the skin is in a state of renewal and synthesis of components of the extracellular matrix (ECM). However, exposure to UVR affects the production of the ECM, and the functioning and response of skin cells to UVR begins to change, thus expressing clinical and phenotypic characteristics of PA. The primary mechanisms involved in PA are direct damage to the DNA of skin cells, increases in oxidative stress, the activation of cell signaling pathways responsible for the loss of skin integrity, and cytotoxicity. The medical and scientific community has been researching new therapeutic tools that counteract PA, considering that the damage caused by UVR exceeds the antioxidant defense mechanisms of the skin. Thus, in recent years, certain nutraceuticals and phytochemicals have been found to exhibit potential antioxidant and photoprotective effects. Therefore, the main objective of this review is to elucidate the molecular bases of PA and the latest pharmaceutical industry findings on antioxidant treatment against the progression of PA.
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Affiliation(s)
- María José Calvo
- Endocrine and Metabolic Diseases Research Center, School of Medicine, University of Zulia, Maracaibo 4001, Venezuela (C.N.); (P.D.)
| | - Carolina Navarro
- Endocrine and Metabolic Diseases Research Center, School of Medicine, University of Zulia, Maracaibo 4001, Venezuela (C.N.); (P.D.)
| | - Pablo Durán
- Endocrine and Metabolic Diseases Research Center, School of Medicine, University of Zulia, Maracaibo 4001, Venezuela (C.N.); (P.D.)
| | - Nataly J. Galan-Freyle
- Centro de Investigaciones en Ciencias de la Vida (CICV), Universidad Simón Bolívar, Barranquilla 080003, Colombia; (N.J.G.-F.); (L.C.P.-L.); (V.B.)
| | - Luis Alberto Parra Hernández
- International Society for Non-Surgical Facial Rejuvenation (SIRF), Barranquilla 080003, Colombia; (L.A.P.H.); (D.C.)
| | - Leonardo C Pacheco-Londoño
- Centro de Investigaciones en Ciencias de la Vida (CICV), Universidad Simón Bolívar, Barranquilla 080003, Colombia; (N.J.G.-F.); (L.C.P.-L.); (V.B.)
| | - Desiree Castelanich
- International Society for Non-Surgical Facial Rejuvenation (SIRF), Barranquilla 080003, Colombia; (L.A.P.H.); (D.C.)
- Argentine Society of Dermatology, Buenos Aires B1228, Argentina
| | - Valmore Bermúdez
- Centro de Investigaciones en Ciencias de la Vida (CICV), Universidad Simón Bolívar, Barranquilla 080003, Colombia; (N.J.G.-F.); (L.C.P.-L.); (V.B.)
- Facultad de Ciencias de la Salud, Universidad Simón Bolívar, Barranquilla 080003, Colombia
| | - Maricarmen Chacin
- Centro de Investigaciones en Ciencias de la Vida (CICV), Universidad Simón Bolívar, Barranquilla 080003, Colombia; (N.J.G.-F.); (L.C.P.-L.); (V.B.)
- Facultad de Ciencias de la Salud, Universidad Simón Bolívar, Barranquilla 080003, Colombia
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16
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Fatima N, Yaqoob S, Rana S, Hameed A, Mirza MR, Jabeen A. In vitro photoprotective potential of aryl-sandwiched (thio)semicarbazones against UVA mediated cellular and DNA damage. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2024; 251:112841. [PMID: 38194816 DOI: 10.1016/j.jphotobiol.2024.112841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 12/01/2023] [Accepted: 01/03/2024] [Indexed: 01/11/2024]
Abstract
The most prevalent solar ultraviolet radiation is ultraviolet-A (UVA) radiation. It is the inducer of reactive oxygen species (ROS), a potent mediator of inflammation and photocarcinogenesis. Regular application of sunscreens containing UVA filters is an effective preventive measure in mitigating the risk associated with the formation of dermal carcinoma. Therefore, the development of new photoprotective agents is of great need. The current work examined the in vitro photoprotection of the aryl-linked (thio)semicarbazone derivatives against UVA-mediated DNA damage, inflammation, reactive nitrogen species (RNS), and ROS. Except for the inflammatory cytokine assay, which was carried out on the human monocytic leukemia (THP-1) cell line, all tests were conducted on the human dermal fibroblast (BJ) cell line. In comparison to benzophenone (reference compound), the compound (2Z, 2'Z)-2,2'-(1,3-Phenylenebis (methanylylidene)) bis (hydrazine-1-carbothioamide) (DD-21) demonstrated considerable protection against UVA-induced damage. Compared to the UVA-irradiated control, DD-21 significantly decreased the levels of nitric oxide (NO) and ROS (p < 0.001). In the presence of DD-21, the release of UVA-induced pro-inflammatory cytokines, tumor necrosis factor-α (TNF-α) and interleukin-1β (IL-1β), was also significantly reduced (p < 0.05). Moreover, it was observed that DD-21 protected the cells from UVA-mediated DNA strand breaks and also inhibited the formation of cyclobutane pyrimidine dimers (CPDs) upon comparison to the UVA-exposed control cells (p < 0.001). In conclusion, the findings of this study revealed that DD-21 exhibits remarkable photoprotective properties, thus demonstrating its potential as a candidate UVA filter.
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Affiliation(s)
- Noor Fatima
- Molecular Biology and Human Genetics Laboratory, Dr. Panjwani Center for Molecular Medicine and Drug Research (PCMD), International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi 75270, Pakistan
| | - Sana Yaqoob
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Sobia Rana
- Molecular Biology and Human Genetics Laboratory, Dr. Panjwani Center for Molecular Medicine and Drug Research (PCMD), International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi 75270, Pakistan.
| | - Abdul Hameed
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan; Department of Chemistry, University of Sahiwal, Sahiwal, Pakistan
| | - Munazza Raza Mirza
- Molecular Biology and Human Genetics Laboratory, Dr. Panjwani Center for Molecular Medicine and Drug Research (PCMD), International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi 75270, Pakistan
| | - Almas Jabeen
- Molecular Biology and Human Genetics Laboratory, Dr. Panjwani Center for Molecular Medicine and Drug Research (PCMD), International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi 75270, Pakistan
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17
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Liu T, Zhu S, Yang Y, Qin W, Wang Z, Zhao Z, Liu T, Wang X, Duan T, Liu Y, Liu Y, Xia Q, Zhang H, Li N. Oroxylin A ameliorates ultraviolet radiation-induced premature skin aging by regulating oxidative stress via the Sirt1 pathway. Biomed Pharmacother 2024; 171:116110. [PMID: 38198955 DOI: 10.1016/j.biopha.2023.116110] [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: 09/29/2023] [Revised: 12/25/2023] [Accepted: 12/28/2023] [Indexed: 01/12/2024] Open
Abstract
Skin is susceptible to premature aging in response to ultraviolet (UV) radiation-induced oxidative stress, which can ultimately result in aberrant aging or age-related disorders. Accordingly, strategies that can be adopted to mitigate oxidative stress may contribute to protecting skin from induced aging-related damage, thereby offering promising approaches for the treatment of skin diseases and disorders. In this regard, oroxylin A (OA), a natural flavonoid isolated from certain plants used in traditional Chinese medicine, is considered to have notable antioxidant, anti-inflammatory, and anti-apoptotic properties, and is often used to treat certain inflammatory diseases. To date, however, there has been comparatively little research on the effects of OA with respect skin aging. In this study, we utilized UV radiation-induced mouse and cellular models of aging to assess the efficacy of OA in protecting against skin aging. Subsequently, to elucidate the potential mechanisms underlying the protective effect of OA on skin aging, we performed molecular docking analysis to investigate the involvement of the anti-aging gene Sirt1, which was further confirmed on the basis of Sirt1 gene silencing. We accordingly demonstrated that by promoting an increase in the expression of Sirt1, OA can contribute to suppressing UV-induced skin photo-aging in cells/mice by reducing oxidative stress. Furthermore, we established that by activating Sirt1, OA can also promote the dissociation of Nrf2 from Keap1 and its subsequent nuclear translocation. Collectively, our findings in this study reveal OA to be an effective natural compound that can be administered to delay the aging of skin triggered by UV, both in vivo and in vitro, by binding to Sirt1 to promote the deacetylation and nuclear translocation of Nrf2, thereby contributing to a reduction in oxidative stress. These findings may this provide a therapeutic target for the prevention of skin aging or aging-induced skin diseases.
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Affiliation(s)
- Tao Liu
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China; Laboratory of Pharmacology of TCM Formulae Co-Constructed by the Province-Ministry, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China; National Key Laboratory of Chinese Medicine Modernization, Tianjin University of Traditional chinese Medicine, Tianjin, PR China
| | - Shan Zhu
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China; Laboratory of Pharmacology of TCM Formulae Co-Constructed by the Province-Ministry, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China; National Key Laboratory of Chinese Medicine Modernization, Tianjin University of Traditional chinese Medicine, Tianjin, PR China
| | - Yi Yang
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China; Laboratory of Pharmacology of TCM Formulae Co-Constructed by the Province-Ministry, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China; National Key Laboratory of Chinese Medicine Modernization, Tianjin University of Traditional chinese Medicine, Tianjin, PR China
| | - Wenxiao Qin
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China; Laboratory of Pharmacology of TCM Formulae Co-Constructed by the Province-Ministry, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China; National Key Laboratory of Chinese Medicine Modernization, Tianjin University of Traditional chinese Medicine, Tianjin, PR China
| | - Zijing Wang
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China; Laboratory of Pharmacology of TCM Formulae Co-Constructed by the Province-Ministry, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China; National Key Laboratory of Chinese Medicine Modernization, Tianjin University of Traditional chinese Medicine, Tianjin, PR China
| | - Zhiyue Zhao
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China; Laboratory of Pharmacology of TCM Formulae Co-Constructed by the Province-Ministry, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China; National Key Laboratory of Chinese Medicine Modernization, Tianjin University of Traditional chinese Medicine, Tianjin, PR China
| | - Tao Liu
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China; Laboratory of Pharmacology of TCM Formulae Co-Constructed by the Province-Ministry, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China; National Key Laboratory of Chinese Medicine Modernization, Tianjin University of Traditional chinese Medicine, Tianjin, PR China
| | - Xiang Wang
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China; Laboratory of Pharmacology of TCM Formulae Co-Constructed by the Province-Ministry, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China; National Key Laboratory of Chinese Medicine Modernization, Tianjin University of Traditional chinese Medicine, Tianjin, PR China
| | - Tian Duan
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China; Laboratory of Pharmacology of TCM Formulae Co-Constructed by the Province-Ministry, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China; National Key Laboratory of Chinese Medicine Modernization, Tianjin University of Traditional chinese Medicine, Tianjin, PR China
| | - Yang Liu
- Chinese medical college,Tianjin University of Traditional Chinese Medicine, Tianjin, PR China
| | - Yan Liu
- Tianjin Polytechnic University, Tianjin, PR China
| | - Qingmei Xia
- Chinese medical college,Tianjin University of Traditional Chinese Medicine, Tianjin, PR China
| | - Han Zhang
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China; Laboratory of Pharmacology of TCM Formulae Co-Constructed by the Province-Ministry, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China; National Key Laboratory of Chinese Medicine Modernization, Tianjin University of Traditional chinese Medicine, Tianjin, PR China.
| | - Nan Li
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China; Laboratory of Pharmacology of TCM Formulae Co-Constructed by the Province-Ministry, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China; National Key Laboratory of Chinese Medicine Modernization, Tianjin University of Traditional chinese Medicine, Tianjin, PR China; Engineering research center of Modern chinese Medicine Discovery and Preparation Technique, Ministry of education, Tianjin University of Traditional chinese Medicine, Tianjin, PR China.
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18
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Korhonen E. Inflammasome activation in response to aberrations of cellular homeostasis in epithelial cells from human cornea and retina. Acta Ophthalmol 2024; 102 Suppl 281:3-68. [PMID: 38386419 DOI: 10.1111/aos.16646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Accepted: 01/16/2024] [Indexed: 02/24/2024]
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19
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Fuentes-León F, Quintero-Ruiz N, Fernández-Silva FS, Munford V, Vernhes Tamayo M, Menck CFM, Galhardo RS, Sánchez-Lamar A. Genotoxicity of ultraviolet light and sunlight in the bacterium Caulobacter crescentus: Wavelength-dependence. MUTATION RESEARCH. GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2024; 894:503727. [PMID: 38432774 DOI: 10.1016/j.mrgentox.2024.503727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 01/09/2024] [Accepted: 01/13/2024] [Indexed: 03/05/2024]
Abstract
The ultraviolet (UV) component of sunlight can damage DNA. Although most solar UV is absorbed by the ozone layer, wavelengths > 300 nm (UVA and UVB bands) can reach the Earth's surface. It is essential to understand the genotoxic effects of UV light, particularly in natural environments. Caulobacter crescentus, a bacterium widely employed as a model for cell cycle studies, was selected for this study. Strains proficient and deficient in DNA repair (uvrA-) were used to concurrently investigate three genotoxic endpoints: cytotoxicity, SOS induction, and gene mutation, using colony-formation, the SOS chromotest, and RifR mutagenesis, respectively. Our findings underscore the distinct impacts of individual UV bands and the full spectrum of sunlight itself in C. crescentus. UVC light was highly genotoxic, especially for the repair-deficient strain. A UVB dose equivalent to 20 min sunlight exposure also affected the cells. UVA exposure caused a significant response only at high doses, likely due to activation of photorepair. Exposure to solar irradiation resulted in reduced levels of SOS induction, possibly due to decreased cell survival. However, mutagenicity is increased, particularly in uvrA- deficient cells.
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Affiliation(s)
- Fabiana Fuentes-León
- Laboratorio de Genotoxicología, Facultad de Biología, Universidad de La Habana, Calle 25 # 455 e\ J e I, Vedado, 10400 La Habana, Cuba; Departamento de Microbiologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, Av. Prof. Lineu Prestes, 1374, Ed. Biomédicas 2, São Paulo 05508-900, São Paulo, Brazil.
| | - Nathalia Quintero-Ruiz
- Departamento de Microbiologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, Av. Prof. Lineu Prestes, 1374, Ed. Biomédicas 2, São Paulo 05508-900, São Paulo, Brazil
| | - Frank S Fernández-Silva
- Departamento de Microbiologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, Av. Prof. Lineu Prestes, 1374, Ed. Biomédicas 2, São Paulo 05508-900, São Paulo, Brazil
| | - Veridiana Munford
- Departamento de Microbiologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, Av. Prof. Lineu Prestes, 1374, Ed. Biomédicas 2, São Paulo 05508-900, São Paulo, Brazil
| | - Marioly Vernhes Tamayo
- Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear (CEADEN), Calle 5ta # 502 e/ 5ta Avenida y7ma, Miramar, Playa, La Habana, Cuba
| | - Carlos Frederico Martins Menck
- Departamento de Microbiologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, Av. Prof. Lineu Prestes, 1374, Ed. Biomédicas 2, São Paulo 05508-900, São Paulo, Brazil
| | - Rodrigo S Galhardo
- Departamento de Microbiologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, Av. Prof. Lineu Prestes, 1374, Ed. Biomédicas 2, São Paulo 05508-900, São Paulo, Brazil
| | - Angel Sánchez-Lamar
- Laboratorio de Genotoxicología, Facultad de Biología, Universidad de La Habana, Calle 25 # 455 e\ J e I, Vedado, 10400 La Habana, Cuba.
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20
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Teng Y, Tang H, Tao X, Huang Y, Fan Y. Ferrostatin 1 ameliorates UVB-induced damage of HaCaT cells by regulating ferroptosis. Exp Dermatol 2024; 33:e15018. [PMID: 38414007 DOI: 10.1111/exd.15018] [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: 09/07/2023] [Revised: 01/01/2024] [Accepted: 01/07/2024] [Indexed: 02/29/2024]
Abstract
Ferroptosis, a type of programmed cell death, occurs when there is oxidative stress and lipid peroxides. This condition is marked by lipid peroxidation that relies on iron and the reduction of cellular defences against oxidation. To investigate the effect of UVB irradiation on ferroptosis of human keratinocytes HaCaT cells, the cells were pretreated with Ferrostatin 1 (Fer-1, 10 μM), an ferroptosis inhibitor and then irradiated with UVB (20 mJ/cm2 ) for 30 min to detect related indexes of ferroptosis through MTT assay, quantitative real-time polymerase chain reaction, flow cytometry, reactive oxygen species (ROS) assay, western blotting. Results showed that UVB significantly reduced cell activity, promoted apoptosis and ROS level, whereas Fer-1 significantly increased cell activity, and reduced apoptosis and ROS level. In addition, UVB significantly reduced levels of ferroptosis-related proteins and skin barrier-related proteins, and increased levels of γ-H2AX and iron, whereas Fer-1 significantly increased their protein levels, and reduced levels of γ-H2AX and iron. Conjoint analysis of transcriptomic and proteomic revealed that UVB significantly reduced the levels of TIMP metallopeptidase inhibitor 3 (TIMP3), and coagulation factor II thrombin receptor (F2R), whereas Fer-1 significantly promoted the levels of TIMP3, and F2R. Therefore, our results indicated that Fer-1 significantly ameliorates UVB-induced damage of HaCaT cells by regulating the levels of TIMP3 and F2R.
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Affiliation(s)
- Yan Teng
- Center for Plastic & Reconstructive Surgery, Department of Dermatology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital of Hangzhou Medical College, Zhejiang, China
| | - Hui Tang
- Graduate School of Clinical Medicine, Bengbu Medical College, Bengbu, China
| | - Xiaohua Tao
- Center for Plastic & Reconstructive Surgery, Department of Dermatology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital of Hangzhou Medical College, Zhejiang, China
| | - Youming Huang
- Center for Plastic & Reconstructive Surgery, Department of Dermatology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital of Hangzhou Medical College, Zhejiang, China
| | - Yibin Fan
- Center for Plastic & Reconstructive Surgery, Department of Dermatology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital of Hangzhou Medical College, Zhejiang, China
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21
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Cheng L, Liu J, Wang Q, Hu H, Zhou L. The Protective Effect of a Human Umbilical Cord Mesenchymal Stem Cell Supernatant on UVB-Induced Skin Photodamage. Cells 2024; 13:156. [PMID: 38247847 PMCID: PMC10814745 DOI: 10.3390/cells13020156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Revised: 09/19/2023] [Accepted: 01/11/2024] [Indexed: 01/23/2024] Open
Abstract
The skin is constantly exposed to a range of environmental stressors, including ultraviolet (UV) radiation, which can cause damage to the skin. Repairing UV-damaged skin has been a major focus of research in recent years. The therapeutic potential of human umbilical cord mesenchymal stem cells (HUCMSCs) exhibits anti-photoaging properties. In this study, we developed a strategy for concentrating an HUCMSC supernatant, and examined the protective effects of CHS on UVB exposure in vitro and in vivo. Our results demonstrate that CHS repairs UVB exposure by promoting cell viability and migration and reducing senescent and apoptosis cells. We further found that the photoprotective effect of CHS is due to autophagy activation. Moreover, CHS reduces wrinkles and senescent cells, increases collagen expression, and improves immune function in UVB exposure-induced skin damage. In summary, our study provides a new approach for repairing cell damage, and suggests that CHS might be a potential candidate for preventing UVB-induced skin photodamage.
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Affiliation(s)
- Lin Cheng
- Department of Pharmacology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu 610041, China; (L.C.); (Q.W.)
| | - Jiaqi Liu
- Key Laboratory of Environmental Pollution and Integrative Omics, Education Department of Guangxi Zhuang Autonomous Region, Guilin Medical University, Guilin 541001, China;
| | - Qi Wang
- Department of Pharmacology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu 610041, China; (L.C.); (Q.W.)
| | - Huozhen Hu
- Department of Pharmacology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu 610041, China; (L.C.); (Q.W.)
| | - Liming Zhou
- Department of Pharmacology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu 610041, China; (L.C.); (Q.W.)
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22
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Whitworth P, Aldred N, Finlay JA, Reynolds KJ, Plummer J, Clare AS. UV-C LED-induced cyclobutane pyrimidine dimer formation, lesion repair and mutagenesis in the biofilm-forming diatom, Navicula incerta. BIOFOULING 2024; 40:76-87. [PMID: 38384189 DOI: 10.1080/08927014.2024.2319178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 02/10/2024] [Indexed: 02/23/2024]
Abstract
The use of ultraviolet-C (UV-C) irradiation in marine biofouling control is a relatively new and potentially disruptive technology. This study examined effects of UV-C exposure on the biofilm-forming diatom, Navicula incerta. UV-C-induced mutations were identified via Illumina HiSeq. A de novo genome was assembled from control sequences and reads from UV-C-exposed treatments were mapped to this genome, with a quantitative estimate of mutagenesis then derived from the frequency of single nucleotide polymorphisms. UV-C exposure increased cyclobutane pyrimidine dimer (CPD) abundance with a direct correlation between lesion formation and fluency. Cellular repair mechanisms gradually reduced CPDs over time, with the highest UV-C fluence treatments having the fastest repair rates. Mutation abundances were, however, negatively correlated with CPD abundance suggesting that UV-C exposure may influence lesion repair. The threshold fluence for CPD formation exceeding CPD repair was >1.27 J cm-2. Fluences >2.54 J cm-2 were predicted to inhibit repair mechanisms. While UV-C holds considerable promise for marine antifouling, diatoms are just one, albeit an important, component of marine biofouling communities. Determining fluence thresholds for other representative taxa, highlighting the most resistant, would allow UV-C treatments to be specifically tuned to target biofouling organisms, whilst limiting environmental effects and the power requirement.
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Affiliation(s)
- Paul Whitworth
- School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Nick Aldred
- School of Life Sciences, University of Essex, Colchester, United Kingdom
| | - John A Finlay
- School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Kevin J Reynolds
- Technology & Innovation Delivery, Marine, Protective and Yacht, AkzoNobel/International Paint Ltd, Felling, Gateshead, United Kingdom
| | - Joseph Plummer
- Physical Sciences Group, Platform Systems Division, Defence Science and Technology Laboratory (DSTL), Porton Down, Salisbury, United Kingdom
| | - Anthony S Clare
- School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne, United Kingdom
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23
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Boada MD, Gutierrez S, Eisenach JC. Effects of systemic oxytocin administration on ultraviolet B-induced nociceptive hypersensitivity and tactile hyposensitivity in mice. Mol Pain 2024; 20:17448069241226553. [PMID: 38172079 PMCID: PMC10846038 DOI: 10.1177/17448069241226553] [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: 10/09/2023] [Revised: 11/24/2023] [Accepted: 12/07/2023] [Indexed: 01/05/2024] Open
Abstract
Ultraviolet B (UVB) radiation induces cutaneous inflammation, leading to thermal and mechanical hypersensitivity. Here, we examine the mechanical properties and profile of tactile and nociceptive peripheral afferents functionally disrupted by this injury and the role of oxytocin (OXT) as a modulator of this disruption. We recorded intracellularly from L4 afferents innervating the irradiated area (5.1 J/cm2) in 4-6 old week male mice (C57BL/6J) after administering OXT intraperitoneally, 6 mg/Kg. The distribution of recorded neurons was shifted by UVB radiation to a pattern observed after acute and chronic injuries and reduced mechanical thresholds of A and C- high threshold mechanoreceptors while reducing tactile sensitivity. UVB radiation did not change somatic membrane electrical properties or fiber conduction velocity. OXT systemic administration rapidly reversed these peripheral changes toward normal in both low and high-threshold mechanoreceptors and shifted recorded neuron distribution toward normal. OXT and V1aR receptors were present on the terminals of myelinated and unmyelinated afferents innervating the skin. We conclude that UVB radiation, similar to local tissue surgical injury, cancer metastasis, and peripheral nerve injury, alters the distribution of low and high threshold mechanoreceptors afferents and sensitizes nociceptors while desensitizing tactile units. Acute systemic OXT administration partially returns all of those effects to normal.
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Affiliation(s)
- M Danilo Boada
- Department of Anesthesiology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Silvia Gutierrez
- Department of Anesthesiology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - James C Eisenach
- Department of Anesthesiology, Wake Forest School of Medicine, Winston-Salem, NC, USA
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24
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Lee YB, Kim JI. Genetic Studies of Actinic Keratosis Development: Where Are We Now? Ann Dermatol 2023; 35:389-399. [PMID: 38086352 PMCID: PMC10733082 DOI: 10.5021/ad.23.072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 08/24/2023] [Accepted: 09/07/2023] [Indexed: 12/22/2023] Open
Abstract
Actinic keratosis (AK) is a common precancerous skin lesion that can develop into cutaneous squamous cell carcinoma (CSCC). AK is characterized by atypical keratinocytes in the skin's outer layer and is commonly found in sun-exposed areas. Like many precancerous lesions, the development of AK is closely associated with genetic mutations. The molecular biology and transcriptional mechanisms underlying AK development are not well understood. Ultraviolet (UV) light exposure, especially UVA and UVB radiation, is a significant risk factor for AK, causing DNA damage and mutagenic effects. Besides UV exposure, comorbidities like diabetes, rheumatoid arthritis, and psoriasis may also influence AK development. AK patients have shown associations with various internal malignancies, indicating potential vulnerability in cancer-associated genes. Treatment for AK includes cryosurgery, electrodesiccation and curettage, chemotherapeutic creams, photodynamic therapy, or topical immune-modulators. Genomic studies have identified genetic aberrations in AK, with common mutations found in genes like TP53, NOTCH1, and NOTCH2. The progression from AK to CSCC involves chromosomal aberrations and alterations in oncogenes and tumor-suppressor genes. The functional relationships among these genes are not fully understood, but network analysis provides insights into their potential mechanisms. Further research is needed to enhance our understanding of AK's pathogenesis and develop novel therapeutic approaches.
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Affiliation(s)
- Young Bok Lee
- Department of Biomedicine & Health Science, College of Medicine, The Catholic University of Korea, Seoul, Korea
- Department of Dermatology, College of Medicine, The Catholic University of Korea, Seoul, Korea
- Genomic Medicine Institute (GMI), Medical Research Center, Seoul National University, Seoul, Korea
| | - Jong-Il Kim
- Genomic Medicine Institute (GMI), Medical Research Center, Seoul National University, Seoul, Korea
- Department of Biochemistry and Molecular Biology, Seoul National University College of Medicine, Seoul, Korea
- Cancer Research Institute, Seoul National University, Seoul, Korea
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Korea.
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25
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Choudhary M, Pereira J, Davidson EB, Colee J, Santra S, Jones JB, Paret ML. Improved Persistence of Bacteriophage Formulation with Nano N-Acetylcysteine-Zinc Sulfide and Tomato Bacterial Spot Disease Control. PLANT DISEASE 2023; 107:3933-3942. [PMID: 37368450 DOI: 10.1094/pdis-02-23-0255-re] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
Bacteriophages are biocontrol agents used to manage bacterial diseases. They have long been used against plant pathogenic bacteria; however, several factors impede their use as a reliable disease management strategy. Short-lived persistence on plant surfaces under field conditions results mainly from rapid degradation by exposure to ultraviolet (UV) light. Currently, there are no effective commercial formulations that protect phages from UV. The phage ΦXp06-02-1, which lyses strains of the tomato bacterial spot pathogen Xanthomonas perforans, was mixed with different concentrations of the nanomaterial N-acetylcysteine surface-coated manganese-doped zinc sulfide (NAC-ZnS; 3.5 nm). In vitro, NAC-ZnS at 10,000 μg/ml formulated phage, when exposed to UV for 1 min, provided statistically equivalent plaque-forming unit (PFU) recovery as phages that were not exposed to UV. NAC-ZnS had no negative effect on the phage's ability to lyse bacterial cells under in vitro conditions. NAC-ZnS reduced phage degradation over time in comparison with the nontreated control, whereas N-acetylcysteine-zinc oxide (NAC-ZnO) had no effect. In fluorescent light, without UV exposure, NAC-ZnO-formulated phages were more infective than NAC-ZnS-formulated phages. The nanomaterial-phage mixture did not cause any phytotoxicity when applied to tomato plants. Following exposure to sunlight, the NAC-ZnS formulation improved phage persistence in the phyllosphere by 15 times compared with nonformulated phages. NAC-ZnO-formulated phage populations were undetectable within 32 h, whereas NAC-ZnS-formulated phage populations were detected at 103 PFU/g. At 4 h of sunlight exposure, NAC-ZnS-formulated phages at 1,000 μg/ml significantly reduced tomato bacterial spot disease severity by 16.4% compared with nonformulated phages. These results suggest that NAC-ZnS can be used to improve the efficacy of phages for bacterial diseases.
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Affiliation(s)
- Manoj Choudhary
- North Florida Research and Education Center, University of Florida, Gainesville, FL, U.S.A
- Department of Plant Pathology, University of Florida, Gainesville, FL, U.S.A
- ICAR - National Centre for Integrated Pest Management, PUSA, New Delhi, India
| | - Jorge Pereira
- NanoScience Technology Center, University of Central Florida, Orlando, FL, U.S.A
- Department of Chemistry, University of Central Florida, Orlando, FL, U.S.A
- Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL, U.S.A
| | - Edwin B Davidson
- NanoScience Technology Center, University of Central Florida, Orlando, FL, U.S.A
- Department of Chemistry, University of Central Florida, Orlando, FL, U.S.A
- Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL, U.S.A
| | - James Colee
- Statistical Consulting Unit, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL, U.S.A
| | - Swadeshmukul Santra
- NanoScience Technology Center, University of Central Florida, Orlando, FL, U.S.A
- Department of Chemistry, University of Central Florida, Orlando, FL, U.S.A
- Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL, U.S.A
| | - Jeffrey B Jones
- Department of Plant Pathology, University of Florida, Gainesville, FL, U.S.A
| | - Mathews L Paret
- North Florida Research and Education Center, University of Florida, Gainesville, FL, U.S.A
- Department of Plant Pathology, University of Florida, Gainesville, FL, U.S.A
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26
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Cai CS, He GJ, Xu FW. Advances in the Applications of Extracellular Vesicle for the Treatment of Skin Photoaging: A Comprehensive Review. Int J Nanomedicine 2023; 18:6411-6423. [PMID: 37954453 PMCID: PMC10638935 DOI: 10.2147/ijn.s433611] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 10/27/2023] [Indexed: 11/14/2023] Open
Abstract
Skin photoaging is a complex biological process characterized by the accumulation of oxidative damage and structural changes in the skin, resulting from chronic exposure to ultraviolet (UV) radiation. Despite the growing demand for effective treatments, current therapeutic options for skin photoaging remain limited. However, emerging research has highlighted the potential of extracellular vesicles (EVs), including exosomes, micro-vesicles, apoptotic bodies and liposomes, as promising therapeutic agents in skin rejuvenation. EVs are involved in intercellular communication and can deliver bioactive molecules, including proteins, nucleic acids, and lipids, to recipient cells, thereby influencing various cellular processes. This comprehensive review aims to summarize the current research progress in the application of EVs for the treatment of skin photoaging, including their isolation and characterization methods, roles in skin homeostasis, therapeutic potential and clinical applications for skin photoaging. Additionally, challenges and future directions in EVs-based therapies for skin rejuvenation are discussed.
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Affiliation(s)
- Chan-Sheng Cai
- The First Clinical Medical College, Wenzhou Medical University, Wenzhou, Zhejiang, People’s Republic of China
| | - Gui-Juan He
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, 310016, People’s Republic of China
| | - Fa-Wei Xu
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, 310016, People’s Republic of China
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27
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Kim NH, Lee AY. Oxidative Stress Induces Skin Pigmentation in Melasma by Inhibiting Hedgehog Signaling. Antioxidants (Basel) 2023; 12:1969. [PMID: 38001823 PMCID: PMC10669456 DOI: 10.3390/antiox12111969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 10/25/2023] [Accepted: 11/02/2023] [Indexed: 11/26/2023] Open
Abstract
There is growing evidence that oxidative stress plays a role in melasma and disrupts primary cilia formation. Additionally, primary cilia have been suggested to have an inhibitory role in melanogenesis. This study examined the potential link between oxidative stress, skin hyperpigmentation, and primary cilia. We compared the expression levels of the nuclear factor E2-related factor 2 (NRF2), intraflagellar transport 88 (IFT88), and glioma-associated oncogene homologs (GLIs) in skin samples from patients with melasma, both in affected and unaffected areas. We also explored the roles of NRF2, IFT88, and GLIs in ciliogenesis and pigmentation using cultured adult human keratinocytes, with or without melanocytes. Our findings revealed decreased levels of NRF2, heme oxygenase-1, IFT88, and GLIs in lesional skin from melasma patients. The knockdown of NRF2 resulted in reduced expressions of IFT88 and GLI1, along with fewer ciliated cells. Furthermore, NRF2, IFT88, or GLI1 knockdown led to increased expressions in protease-activated receptor-2 (PAR2), K10, involucrin, tyrosinase, and/or melanin. These effects were reversed by the smoothened agonist 1.1. Calcium also upregulated these proteins, but not NRF2. The upregulation of involucrin and PAR2 after NRF2 knockdown was mitigated with a calcium chelator. In summary, our study suggests that oxidative stress in NRF2-downregulated melasma keratinocytes impedes ciliogenesis and related molecular processes. This inhibition stimulates keratinocyte differentiation, resulting in melanin synthesis and melanosome transfer, ultimately leading to skin hyperpigmentation.
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Affiliation(s)
| | - Ai-Young Lee
- Department of Dermatology, Dongguk University Ilsan Hospital, 814 Siksa-dong, Ilsandong-gu, Goyang-si 410-773, Gyeonggi-do, Republic of Korea
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28
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Recipon M, Agniel R, Leroy-Dudal J, Fritz T, Carreiras F, Hermitte F, Hubac S, Gallet O, Kellouche S. Targeting cell-derived markers to improve the detection of invisible biological traces for the purpose of genetic-based criminal identification. Sci Rep 2023; 13:18105. [PMID: 37872292 PMCID: PMC10593828 DOI: 10.1038/s41598-023-45366-y] [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: 05/25/2023] [Accepted: 10/18/2023] [Indexed: 10/25/2023] Open
Abstract
At a crime scene, investigators are faced with a multitude of traces. Among them, biological traces are of primary interest for the rapid genetic-based identification of individuals. "Touch DNA" consists of invisible biological traces left by the simple contact of a person's skin with objects. To date, these traces remain undetectable with the current methods available in the field. This study proposes a proof-of-concept for the original detection of touch DNA by targeting cell-derived fragments in addition to DNA. More specifically, adhesive-structure proteins (laminin, keratin) as well as carbohydrate patterns (mannose, galactose) have been detected with keratinocyte cells derived from a skin and fingermark touch-DNA model over two months in outdoor conditions. Better still, this combinatory detection strategy is compatible with DNA profiling. This proof-of-concept work paves the way for the optimization of tools that can detect touch DNA, which remains a real challenge in helping investigators and the delivery of justice.
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Affiliation(s)
- Mathilde Recipon
- Equipe de Recherche sur les Relations Matrice Extracellulaire-Cellules, ERRMECe, (EA1391), Groupe Matrice Extracellulaire et Physiopathologie (MECuP), Institut des Matériaux, I-MAT (FD4122), CY Cergy Paris Université, Neuville sur Oise, France.
- Institut de Recherche Criminelle de la Gendarmerie Nationale, Cergy-Pontoise, France.
| | - Rémy Agniel
- Equipe de Recherche sur les Relations Matrice Extracellulaire-Cellules, ERRMECe, (EA1391), Groupe Matrice Extracellulaire et Physiopathologie (MECuP), Institut des Matériaux, I-MAT (FD4122), CY Cergy Paris Université, Neuville sur Oise, France
| | - Johanne Leroy-Dudal
- Equipe de Recherche sur les Relations Matrice Extracellulaire-Cellules, ERRMECe, (EA1391), Groupe Matrice Extracellulaire et Physiopathologie (MECuP), Institut des Matériaux, I-MAT (FD4122), CY Cergy Paris Université, Neuville sur Oise, France
| | - Thibaud Fritz
- Institut de Recherche Criminelle de la Gendarmerie Nationale, Cergy-Pontoise, France
| | - Franck Carreiras
- Equipe de Recherche sur les Relations Matrice Extracellulaire-Cellules, ERRMECe, (EA1391), Groupe Matrice Extracellulaire et Physiopathologie (MECuP), Institut des Matériaux, I-MAT (FD4122), CY Cergy Paris Université, Neuville sur Oise, France
| | - Francis Hermitte
- Institut de Recherche Criminelle de la Gendarmerie Nationale, Cergy-Pontoise, France
| | - Sylvain Hubac
- Institut de Recherche Criminelle de la Gendarmerie Nationale, Cergy-Pontoise, France
| | - Olivier Gallet
- Equipe de Recherche sur les Relations Matrice Extracellulaire-Cellules, ERRMECe, (EA1391), Groupe Matrice Extracellulaire et Physiopathologie (MECuP), Institut des Matériaux, I-MAT (FD4122), CY Cergy Paris Université, Neuville sur Oise, France
| | - Sabrina Kellouche
- Equipe de Recherche sur les Relations Matrice Extracellulaire-Cellules, ERRMECe, (EA1391), Groupe Matrice Extracellulaire et Physiopathologie (MECuP), Institut des Matériaux, I-MAT (FD4122), CY Cergy Paris Université, Neuville sur Oise, France
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29
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Korhonen E, Piippo N, Hytti M, Kaarniranta K, Kauppinen A. Cis-urocanic acid improves cell viability and suppresses inflammasome activation in human retinal pigment epithelial cells. Biochem Pharmacol 2023; 216:115790. [PMID: 37683842 DOI: 10.1016/j.bcp.2023.115790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 09/04/2023] [Accepted: 09/05/2023] [Indexed: 09/10/2023]
Abstract
Age-related macular degeneration (AMD) is a common eye disease among the elderly, which can result in impaired vision and irreversible loss of vision. The majority of patients suffer from the dry (also known as the atrophic) form of the disease, which is completely lacking an effective treatment. In the present study, we evaluated the potential of cis-urocanic acid (cis-UCA) to protect human ARPE-19 cells from cell damage and inflammasome activation induced by UVB light. Urocanic acid is a molecule normally present in human epidermis. Its cis-form has recently been found to alleviate UVB-induced inflammasome activation in human corneal epithelial cells. Here, we observed that cis-UCA is well-tolerated also by human retinal pigment epithelial (RPE) cells at a concentration of 100 μg/ml. Moreover, cis-UCA was cytoprotective and efficiently diminished the levels of mature IL-1β, IL-18, and cleaved caspase-1 in UVB-irradiated ARPE-19 cells. Interestingly, cis-UCA also reduced DNA damage, whereas its effect against ROS production was negligible. Collectively, cis-UCA protected ARPE-19 cells from UVB-induced phototoxicity and inflammasome activation. This study indicates that due to its beneficial properties of preserving cell viability and preventing inflammation, cis-UCA has potential in drug development of chronic ocular diseases, such as AMD.
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Affiliation(s)
- Eveliina Korhonen
- Immuno-Ophthalmology, School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, P.O.Box 1627, FI-70211 Kuopio, Finland.
| | - Niina Piippo
- Immuno-Ophthalmology, School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, P.O.Box 1627, FI-70211 Kuopio, Finland
| | - Maria Hytti
- Immuno-Ophthalmology, School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, P.O.Box 1627, FI-70211 Kuopio, Finland; Department of Ophthalmology, Kuopio University Hospital, P.O.Box 100, FI-70029 Kuopio, Finland
| | - Kai Kaarniranta
- Department of Ophthalmology, Institute of Clinical Medicine, University of Eastern Finland, P.O.Box 1627, FI-70211 Kuopio, Finland; Department of Ophthalmology, Kuopio University Hospital, P.O.Box 100, FI-70029 Kuopio, Finland
| | - Anu Kauppinen
- Immuno-Ophthalmology, School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, P.O.Box 1627, FI-70211 Kuopio, Finland.
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Zhang J, Zhou Y, Jiang Z, He C, Wang B, Wang Q, Wang Z, Wu T, Chen X, Deng Z, Li C, Jian Z. Bioinspired polydopamine nanoparticles as efficient antioxidative and anti-inflammatory enhancers against UV-induced skin damage. J Nanobiotechnology 2023; 21:354. [PMID: 37775761 PMCID: PMC10543320 DOI: 10.1186/s12951-023-02107-7] [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: 08/10/2023] [Accepted: 09/15/2023] [Indexed: 10/01/2023] Open
Abstract
Excessive and prolonged ultraviolet radiation (UVR) exposure causes photodamage, photoaging, and photocarcinogenesis in human skin. Therefore, safe and effective sun protection is one of the most fundamental requirements. Living organisms tend to evolve various natural photoprotective mechanisms to avoid photodamage. Among them, melanin is the main functional component of the photoprotective system of human skin. Polydopamine (PDA) is synthesized as a mimic of natural melanin, however, its photoprotective efficiency and mechanism in protecting against skin damage and photoaging remain unclear. In this study, the novel sunscreen products based on melanin-inspired PDA nanoparticles (NPs) are rationally designed and prepared. We validate that PDA NPs sunscreen exhibits superior effects on photoprotection, which is achieved by the obstruction of epidermal hyperplasia, protection of the skin barrier, and resolution of inflammation. In addition, we find that PDA NPs are efficiently intake by keratinocytes, exhibiting robust ROS scavenging and DNA protection ability with minimal cytotoxicity. Intriguingly, PDA sunscreen has an influence on maintaining homeostasis of the dermis, displaying an anti-photoaging property. Taken together, the biocompatibility and full photoprotective properties of PDA sunscreen display superior performance to those of commercial sunscreen. This work provides new insights into the development of a melanin-mimicking material for sunscreens.
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Affiliation(s)
- Jia Zhang
- Department of Dermatology, Xijing Hospital Fourth Military Medical University, Xi'an, 710032, P. R. China
| | - Yuqi Zhou
- Department of Dermatology, Xijing Hospital Fourth Military Medical University, Xi'an, 710032, P. R. China
| | - Zhaoting Jiang
- Department of Dermatology, Xijing Hospital Fourth Military Medical University, Xi'an, 710032, P. R. China
| | - Chenhui He
- Department of Dermatology, Xijing Hospital Fourth Military Medical University, Xi'an, 710032, P. R. China
| | - Bo Wang
- Department of Dermatology, Xijing Hospital Fourth Military Medical University, Xi'an, 710032, P. R. China
| | - Qi Wang
- Department of Dermatology, Xijing Hospital Fourth Military Medical University, Xi'an, 710032, P. R. China
| | - Zeqian Wang
- Department of Dermatology, Xijing Hospital Fourth Military Medical University, Xi'an, 710032, P. R. China
| | - Tong Wu
- Department of Dermatology, Xijing Hospital Fourth Military Medical University, Xi'an, 710032, P. R. China
| | - Xiaoqi Chen
- Department of Dermatology, Xijing Hospital Fourth Military Medical University, Xi'an, 710032, P. R. China
| | - Ziwei Deng
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China.
| | - Chunying Li
- Department of Dermatology, Xijing Hospital Fourth Military Medical University, Xi'an, 710032, P. R. China.
| | - Zhe Jian
- Department of Dermatology, Xijing Hospital Fourth Military Medical University, Xi'an, 710032, P. R. China.
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Cerdido S, Sánchez-Beltrán J, Lambertos A, Abrisqueta M, Padilla L, Herraiz C, Olivares C, Jiménez-Cervantes C, García-Borrón JC. A Side-by-Side Comparison of Wildtype and Variant Melanocortin 1 Receptor Signaling with Emphasis on Protection against Oxidative Damage to DNA. Int J Mol Sci 2023; 24:14381. [PMID: 37762683 PMCID: PMC10532403 DOI: 10.3390/ijms241814381] [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: 07/26/2023] [Revised: 09/11/2023] [Accepted: 09/18/2023] [Indexed: 09/29/2023] Open
Abstract
Common variants of the MC1R gene coding the α-melanocyte stimulating hormone receptor are associated with light skin, poor tanning, blond or red hair, and increased melanoma risk, due to pigment-dependent and -independent effects. This complex phenotype is usually attributed to impaired activation of cAMP signaling. However, several MC1R variants show significant residual coupling to cAMP and efficiently activate mitogenic extracellular signal-regulated kinase 1 and 2 (ERK1/2) signaling. Yet, residual signaling and the key actions of wildtype and variant MC1R have never been assessed under strictly comparable conditions in melanocytic cells of identical genetic background. We devised a strategy based on CRISPR-Cas9 knockout of endogenous MC1R in a human melanoma cell line wildtype for BRAF, NRAS and NF1, followed by reconstitution with epitope-labeled MC1R constructs, and functional analysis of clones expressing comparable levels of wildtype, R151C or D294H MC1R. The proliferation rate, shape, adhesion, motility and sensitivity to oxidative DNA damage were compared. The R151C and D294H RHC variants displayed impaired cAMP signaling, intracellular stability similar to the wildtype, triggered ERK1/2 activation as effectively as the wildtype, and afforded partial protection against oxidative DNA damage, although less efficiently than the wildtype. Therefore, common melanoma-associated MC1R variants display biased signaling and significant genoprotective activity.
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Affiliation(s)
- Sonia Cerdido
- Department of Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Murcia, 30120 Murcia, Spain; (S.C.); (J.S.-B.); (A.L.); (M.A.); (L.P.); (C.H.); (C.O.); (C.J.-C.)
- Instituto Murciano de Investigación Biosanitaria IMIB-LAIB, El Palmar, 30120 Murcia, Spain
| | - José Sánchez-Beltrán
- Department of Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Murcia, 30120 Murcia, Spain; (S.C.); (J.S.-B.); (A.L.); (M.A.); (L.P.); (C.H.); (C.O.); (C.J.-C.)
- Instituto Murciano de Investigación Biosanitaria IMIB-LAIB, El Palmar, 30120 Murcia, Spain
| | - Ana Lambertos
- Department of Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Murcia, 30120 Murcia, Spain; (S.C.); (J.S.-B.); (A.L.); (M.A.); (L.P.); (C.H.); (C.O.); (C.J.-C.)
- Instituto Murciano de Investigación Biosanitaria IMIB-LAIB, El Palmar, 30120 Murcia, Spain
| | - Marta Abrisqueta
- Department of Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Murcia, 30120 Murcia, Spain; (S.C.); (J.S.-B.); (A.L.); (M.A.); (L.P.); (C.H.); (C.O.); (C.J.-C.)
- Instituto Murciano de Investigación Biosanitaria IMIB-LAIB, El Palmar, 30120 Murcia, Spain
| | - Lidia Padilla
- Department of Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Murcia, 30120 Murcia, Spain; (S.C.); (J.S.-B.); (A.L.); (M.A.); (L.P.); (C.H.); (C.O.); (C.J.-C.)
| | - Cecilia Herraiz
- Department of Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Murcia, 30120 Murcia, Spain; (S.C.); (J.S.-B.); (A.L.); (M.A.); (L.P.); (C.H.); (C.O.); (C.J.-C.)
- Instituto Murciano de Investigación Biosanitaria IMIB-LAIB, El Palmar, 30120 Murcia, Spain
| | - Conchi Olivares
- Department of Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Murcia, 30120 Murcia, Spain; (S.C.); (J.S.-B.); (A.L.); (M.A.); (L.P.); (C.H.); (C.O.); (C.J.-C.)
- Instituto Murciano de Investigación Biosanitaria IMIB-LAIB, El Palmar, 30120 Murcia, Spain
| | - Celia Jiménez-Cervantes
- Department of Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Murcia, 30120 Murcia, Spain; (S.C.); (J.S.-B.); (A.L.); (M.A.); (L.P.); (C.H.); (C.O.); (C.J.-C.)
- Instituto Murciano de Investigación Biosanitaria IMIB-LAIB, El Palmar, 30120 Murcia, Spain
| | - José C. García-Borrón
- Department of Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Murcia, 30120 Murcia, Spain; (S.C.); (J.S.-B.); (A.L.); (M.A.); (L.P.); (C.H.); (C.O.); (C.J.-C.)
- Instituto Murciano de Investigación Biosanitaria IMIB-LAIB, El Palmar, 30120 Murcia, Spain
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Wang B, Dong J, Yang F, Ju T, Li J, Wang J, Wang Y, Crabbe MJC, Tian Y, Wang Z. Use of Atomic Force Microscopy in UVB-Induced Chromosome Damage Provides Important Bioinformation for Cell Damage Assessment. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:13212-13221. [PMID: 37681704 DOI: 10.1021/acs.langmuir.3c01644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/09/2023]
Abstract
The chromosomal structure derived from UVB-stimulated HaCaT cells was detected by atomic force microscopy (AFM) to evaluate the effect of UVB irradiation. The results showed that the higher the UVB irradiation dose, the more the cells that had chromosome aberration. At the same time, different representative types of chromosome structural aberrations were investigated. We also revealed damage to both DNA and cells under the corresponding irradiation doses. It was found that the degree of DNA damage was directly proportional to the irradiation dose. The mechanical properties of cells were also changed after UVB irradiation, suggesting that cells experienced a series of chain reactions from inside to outside after irradiation. The high-resolution imaging of chromosome structures by AFM after UVB irradiation enables us to relate the damage between chromosomes, DNA, and cells caused by UVB irradiation and provides specific information on genetic effects.
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Affiliation(s)
- Bowei Wang
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, China
- Centre for Opto/Bio-Nano Measurement and Manufacturing, Zhongshan Institute of Changchun University of Science and Technology, Zhongshan 528437, China
| | - Jianjun Dong
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, China
- Centre for Opto/Bio-Nano Measurement and Manufacturing, Zhongshan Institute of Changchun University of Science and Technology, Zhongshan 528437, China
| | - Fan Yang
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, China
- Centre for Opto/Bio-Nano Measurement and Manufacturing, Zhongshan Institute of Changchun University of Science and Technology, Zhongshan 528437, China
| | - Tuoyu Ju
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, China
- Centre for Opto/Bio-Nano Measurement and Manufacturing, Zhongshan Institute of Changchun University of Science and Technology, Zhongshan 528437, China
| | - Jiani Li
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, China
- Centre for Opto/Bio-Nano Measurement and Manufacturing, Zhongshan Institute of Changchun University of Science and Technology, Zhongshan 528437, China
| | - Junxi Wang
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, China
- Centre for Opto/Bio-Nano Measurement and Manufacturing, Zhongshan Institute of Changchun University of Science and Technology, Zhongshan 528437, China
| | - Ying Wang
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, China
- Centre for Opto/Bio-Nano Measurement and Manufacturing, Zhongshan Institute of Changchun University of Science and Technology, Zhongshan 528437, China
| | - M James C Crabbe
- Wolfson College, University of Oxford, Oxford OX2 6UD, U.K
- Institute of Biomedical and Environmental Science & Technology, and Institute for Research in Applicable Computing, University of Bedfordshire, Luton LU1 3JU, U.K
| | - Yanling Tian
- School of Engineering, University of Warwick, Coventry CV4 7AL, U.K
| | - Zuobin Wang
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, China
- Centre for Opto/Bio-Nano Measurement and Manufacturing, Zhongshan Institute of Changchun University of Science and Technology, Zhongshan 528437, China
- Institute of Biomedical and Environmental Science & Technology, and Institute for Research in Applicable Computing, University of Bedfordshire, Luton LU1 3JU, U.K
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Li K, Zhou P, Guo Y, Xu T, Lin S, Lin S, Ji C. Recent advances in exosomal non-coding RNA-based therapeutic approaches for photoaging. Skin Res Technol 2023; 29:e13463. [PMID: 37753673 PMCID: PMC10495620 DOI: 10.1111/srt.13463] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 08/30/2023] [Indexed: 09/28/2023]
Abstract
BACKGROUND Photoaging is a degenerative biological process that affects the quality of life. It is caused by environmental factors including ultraviolet radiation (UVR), deep skin burns, smoking, active oxygen, chemical substances, and trauma. Among them, UVR plays a vital role in the aging process. AIM With the continuous development of modern medicine, clinical researchers have investigated novel approaches to treat aging. In particular, mesenchymal stem cells (MSCs), non-coding RNAs are involved in various physiological processes have broad clinical application as they have the advantages of convenient samples, abundant sources, and avoidable ethical issues. METHODS This article reviews research progress on five types of stem cell, exosomes, non-coding RNA in the context of photoaging treatment: adipose-derived stem cell, human umbilical cord MSCs, epidermal progenitor cells, keratinocyte stem cells, and hair follicle stem cells (HFSCs). It also includes stem cell related exosomes and their non-coding RNA research. RESULTS The results have clinical guiding significance for prevention and control of the onset and development of photoaging. It is found that stem cells secrete cytokines, cell growth factors, non-coding RNA, exosomes and proteins to repair aging skin tissues and achieve skin rejuvenation. In particular, stem cell exosomes and non-coding RNA are found to have significant research potential, as they possess the benefits of their source cells without the disadvantages which include immune rejection and granuloma formation.
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Affiliation(s)
- Kun‐Jie Li
- Department of Dermatologythe Second Affiliated Hospital of Fujian Medical UniversityQuanzhouFujianChina
| | - Peng‐Jun Zhou
- Department of Dermatologythe Second Affiliated Hospital of Fujian Medical UniversityQuanzhouFujianChina
| | - Yan‐Ni Guo
- Department of Dermatologythe Second Affiliated Hospital of Fujian Medical UniversityQuanzhouFujianChina
| | - Tian‐Xing Xu
- Department of Dermatologythe Second Affiliated Hospital of Fujian Medical UniversityQuanzhouFujianChina
| | - Song‐Fa Lin
- Department of Dermatologythe Second Affiliated Hospital of Fujian Medical UniversityQuanzhouFujianChina
| | - Shu Lin
- Centre of Neurological and Metabolic Researchthe Second Affiliated Hospital of Fujian Medical UniversityQuanzhouFujianChina
- Group of NeuroendocrinologyGarvan Institute of Medical ResearchSydneyAustralia
| | - Chao Ji
- Department of Dermatologythe First Affiliated Hospital of Fujian Medical UniversityFuzhouFujianChina
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Naikoo SH, Rashid H, Gupta R, Sharma RR, Kumar S, Ahmad R, Gudup S, Singh PP, Abdullah ST. A Novel Molecule 3-(1'-Methyltetrahydropyridinyl)-2,4-6-Trihydroxy Acetophenone Alleviates Ultraviolet-B-Induced Photoaging in Human Dermal Fibroblasts and BALB/c Mice. Photochem Photobiol 2023; 99:1343-1351. [PMID: 36691736 DOI: 10.1111/php.13784] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 01/20/2023] [Indexed: 01/25/2023]
Abstract
Ultraviolet radiation (UVR) is the major exogenous agent that disturbs tissue homeostasis and hastens the onset of age-related phenotypes (photoaging). Exposure to UV-B radiation promotes apoptosis in human skin cells via induction of Reactive Oxygen Species (ROS)-mediated Endoplasmic Reticulum (ER) stress by activating the PERK-eIF2α-CHOP pathway, which plays a major role in exacerbating skin photoaging. Alleviating the production of ROS and boosting the antioxidant capacity of cells is the foremost therapeutic strategy to avert the repercussions of ultraviolet radiation exposure. In this study, we investigated the role of 3-(1'-methyltetrahydropyridinyl)-2,4-6-trihydroxy acetophenone (IIIM-8) in thwarting the UV-B-induced photoaging. We observed that IIIM-8 ameliorates UV-B-induced oxidative stress, ER stress, Loss of Mitochondrial membrane potential, MAPK activation and Inflammation in irradiated skin cells. Ultraviolet radiation-related damage to fibroblasts within the dermis leads to collagen degradation-the hallmark of photoaging. IIIM-8 substantially restored the synthesis of collagen and prevented its degradation via the downregulation of matrix metalloproteinases. Topical application of IIIM-8 prevented BALB/c mice skin from UV-B-induced leukocyte infiltration, epidermal thickening and disruption of Extracellular matrix components. Implying that IIIM-8 has a strong photoprotective property and has potential to be developed as a topical therapeutic/cosmeceutical agent against UV-B-induced photoaging.
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Affiliation(s)
- Shahid H Naikoo
- Pharmacology Division, Council Of Scientific and Industrial Research-Indian Institute of Integrative Medicine, Jammu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Haroon Rashid
- Sher-e-Kashmir Institute of Medical Sciences, Srinagar, India
| | - Ragni Gupta
- Pharmacology Division, Council Of Scientific and Industrial Research-Indian Institute of Integrative Medicine, Jammu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Raghu Rai Sharma
- Pharmacology Division, Council Of Scientific and Industrial Research-Indian Institute of Integrative Medicine, Jammu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Sanjay Kumar
- Natural Product and Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India
| | - Riyaz Ahmad
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
- Natural Product and Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India
| | - Satish Gudup
- Natural Product and Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India
| | - Parvinder P Singh
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
- Natural Product and Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India
| | - Sheikh Tasduq Abdullah
- Pharmacology Division, Council Of Scientific and Industrial Research-Indian Institute of Integrative Medicine, Jammu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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Johann To Berens P, Golebiewska K, Peter J, Staerck S, Molinier J. UV-B-induced modulation of constitutive heterochromatin content in Arabidopsis thaliana. Photochem Photobiol Sci 2023; 22:2153-2166. [PMID: 37225911 DOI: 10.1007/s43630-023-00438-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: 12/23/2022] [Accepted: 05/08/2023] [Indexed: 05/26/2023]
Abstract
Sunlight regulates transcriptional programs and triggers the shaping of the genome throughout plant development. Among the different sunlight wavelengths that reach the surface of the Earth, UV-B (280-315 nm) controls the expression of hundreds of genes for the photomorphogenic responses and also induces the formation of photodamage that interfere with genome integrity and transcriptional programs. The combination of cytogenetics and deep-learning-based analyses allowed determining the location of UV-B-induced photoproducts and quantifying the effects of UV-B irradiation on constitutive heterochromatin content in different Arabidopsis natural variants acclimated to various UV-B regimes. We identified that UV-B-induced photolesions are enriched within chromocenters. Furthermore, we uncovered that UV-B irradiation promotes constitutive heterochromatin dynamics that differs among the Arabidopsis ecotypes having divergent heterochromatin contents. Finally, we identified that the proper restoration of the chromocenter shape, upon DNA repair, relies on the UV-B photoreceptor, UV RESISTANCE LOCUS 8 (UVR8). These findings shed the light on the effect of UV-B exposure and perception in the modulation of constitutive heterochromatin content in Arabidopsis thaliana.
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Affiliation(s)
- Philippe Johann To Berens
- Institut de Biologie Moléculaire des Plantes du CNRS, 12 rue du Général Zimmer, 67000, Strasbourg, France
| | - Kinga Golebiewska
- Institut de Biologie Moléculaire des Plantes du CNRS, 12 rue du Général Zimmer, 67000, Strasbourg, France
| | - Jackson Peter
- Institut de Biologie Moléculaire des Plantes du CNRS, 12 rue du Général Zimmer, 67000, Strasbourg, France
| | - Sébastien Staerck
- Institut de Biologie Moléculaire des Plantes du CNRS, 12 rue du Général Zimmer, 67000, Strasbourg, France
| | - Jean Molinier
- Institut de Biologie Moléculaire des Plantes du CNRS, 12 rue du Général Zimmer, 67000, Strasbourg, France.
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Wang X, Zhang Y, Wang D, Su N, Yang L, Fu H, Zhang J, Li M, Wang C. Protective effects of Aureobasidium pullulans lysate on UV-damaged human skin fibroblasts and HaCaT cells. BIORESOUR BIOPROCESS 2023; 10:55. [PMID: 38647892 PMCID: PMC10992526 DOI: 10.1186/s40643-023-00678-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 08/16/2023] [Indexed: 04/25/2024] Open
Abstract
BACKGROUND Aureobasidium pullulans (A. pullulans) has a wide range of applications. Ultraviolet (UV) rays from the sun can cause skin photoaging. In order to explore the protective effect and application potential of A. pullulans lysate on UV-damaged human skin fibroblasts (HSF) and HaCaT Cells, this study investigates the anti-aging and anti-inflammatory effects of A. pullulans lysate as well as the mechanism of anti-oxidative stress at the cellular and molecular levels through cytotoxicity experiments, enzyme-linked immunosorbent assays (ELISA), and real-time quantitative PCR (RT-qPCR). RESULTS The experimental results have shown that the A. pullulans lysate can effectively reduce the loss of extracellular matrix components (EMC), such as collagen and hyaluronic acid (HA). It is also capable of scavenging excess reactive oxygen species (ROS) from the body, thereby increasing the activity of catalase, decreasing the overexpression of intracellular matrix metalloproteinases (MMPs), enhancing the gene expression of metalloproteinase inhibitors (TIMPs), and decreasing the level of inflammatory factors, reducing UV-induced apoptosis of HaCaT cells. Meanwhile, oxidative stress homeostasis is also regulated through the Nrf2/Keap1 and MAPK signaling pathways. CONCLUSIONS This study shows that the A. pullulans lysate has the potential to resist photoaging.
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Affiliation(s)
- Xin Wang
- Beijing Key Laboratory of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing, People's Republic of China
- Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijing, People's Republic of China
| | - Yongtao Zhang
- Beijing Key Laboratory of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing, People's Republic of China
- Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijing, People's Republic of China
| | - Dongdong Wang
- Beijing Key Laboratory of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing, People's Republic of China
- Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijing, People's Republic of China
| | - Ning Su
- Chinese Academy of Inspection and Quarantine, Beijing, People's Republic of China
| | - Li Yang
- Beijing Sino-German Union Cosmetic Institute Co., Ltd, Beijing, People's Republic of China
| | - Hao Fu
- Beijing Key Laboratory of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing, People's Republic of China
- Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijing, People's Republic of China
| | - Jiachan Zhang
- Beijing Key Laboratory of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing, People's Republic of China
- Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijing, People's Republic of China
| | - Meng Li
- Beijing Key Laboratory of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing, People's Republic of China.
- Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijing, People's Republic of China.
| | - Changtao Wang
- Beijing Key Laboratory of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing, People's Republic of China
- Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijing, People's Republic of China
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Corradi C, Vilar JB, Buzatto VC, de Souza TA, Castro LP, Munford V, De Vecchi R, Galante PAF, Orpinelli F, Miller TLA, Buzzo JL, Sotto MN, Saldiva P, de Oliveira JW, Chaibub SCW, Sarasin A, Menck CFM. Mutational signatures and increased retrotransposon insertions in xeroderma pigmentosum variant skin tumors. Carcinogenesis 2023; 44:511-524. [PMID: 37195263 DOI: 10.1093/carcin/bgad030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 04/06/2023] [Accepted: 05/05/2023] [Indexed: 05/18/2023] Open
Abstract
Xeroderma pigmentosum variant (XP-V) is an autosomal recessive disease with an increased risk of developing cutaneous neoplasms in sunlight-exposed regions. These cells are deficient in the translesion synthesis (TLS) DNA polymerase eta, responsible for bypassing different types of DNA lesions. From the exome sequencing of 11 skin tumors of a genetic XP-V patients' cluster, classical mutational signatures related to sunlight exposure, such as C>T transitions targeted to pyrimidine dimers, were identified. However, basal cell carcinomas also showed distinct C>A mutation spectra reflecting a mutational signature possibly related to sunlight-induced oxidative stress. Moreover, four samples carry different mutational signatures, with C>A mutations associated with tobacco chewing or smoking usage. Thus, XP-V patients should be warned of the risk of these habits. Surprisingly, higher levels of retrotransposon somatic insertions were also detected when the tumors were compared with non-XP skin tumors, revealing other possible causes for XP-V tumors and novel functions for the TLS polymerase eta in suppressing retrotransposition. Finally, the expected high mutation burden found in most of these tumors renders these XP patients good candidates for checkpoint blockade immunotherapy.
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Affiliation(s)
- Camila Corradi
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP 05508-000, Brazil
| | - Juliana B Vilar
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP 05508-000, Brazil
| | - Vanessa C Buzatto
- Molecular Oncology Center, Bioinformatics Laboratory, Hospital Sírio-Libanês, São Paulo, SP 01308-060, Brazil
| | - Tiago A de Souza
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP 05508-000, Brazil
- Tau GC Bioinformatics, Cotia, SP 06711-020, Brazil
| | - Ligia P Castro
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP 05508-000, Brazil
| | - Veridiana Munford
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP 05508-000, Brazil
| | | | - Pedro A F Galante
- Molecular Oncology Center, Bioinformatics Laboratory, Hospital Sírio-Libanês, São Paulo, SP 01308-060, Brazil
| | - Fernanda Orpinelli
- Molecular Oncology Center, Bioinformatics Laboratory, Hospital Sírio-Libanês, São Paulo, SP 01308-060, Brazil
| | - Thiago L A Miller
- Molecular Oncology Center, Bioinformatics Laboratory, Hospital Sírio-Libanês, São Paulo, SP 01308-060, Brazil
- Department of Biochemistry, Institute of Chemistry, University of Sao Paulo, Sao Paulo, SP 05508-000, Brazil
| | - José L Buzzo
- Molecular Oncology Center, Bioinformatics Laboratory, Hospital Sírio-Libanês, São Paulo, SP 01308-060, Brazil
| | - Mirian N Sotto
- Medical School, University of Sao Paulo, Sao Paulo, SP 01246-903, Brazil
| | - Paulo Saldiva
- Medical School, University of Sao Paulo, Sao Paulo, SP 01246-903, Brazil
| | - Jocelânio W de Oliveira
- Institute of Mathematics and Statistics, University of São Paulo, São Paulo, SP 05508-090, Brazil
| | | | - Alain Sarasin
- Laboratory of Genetic Instability and Oncogenesis, UMR8200 CNRS, Gustave Roussy, Université Paris-Sud, Villejuif, France
| | - Carlos F M Menck
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP 05508-000, Brazil
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de Souza Timoteo AR, Pinheiro de Almeida IC, Yurchenko AA, de Miranda Henriques SR, de Souza Segundo P, Rajabi F, Nikolaev S, Petta TB. Brazilian XP-E siblings carrying a novel DDB2 variant developed early-onset melanoma: a case report. BMC Med Genomics 2023; 16:186. [PMID: 37573316 PMCID: PMC10422713 DOI: 10.1186/s12920-023-01622-8] [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: 10/04/2022] [Accepted: 07/31/2023] [Indexed: 08/14/2023] Open
Abstract
BACKGROUND Xeroderma pigmentosum group E (XP-E) is one of the least common forms of XP, a rare syndrome where patients are prone to develop skin cancer in exposed sunlight areas. XP-E patients are generally not diagnosed until they are adults due to the mild phenotype. CASE PRESENTATION two XP-E siblings, female, 23 years, and male, 25 years, from a Brazilian consanguineous family carrying the novel missense pathogenic variant in DDB2 gene, NM_000107.3:c.1027G > C, associated with skin cancer early-onset and severe phenotype, as nodular melanoma in the cornea and in the ear. CONCLUSION The assessment of genomic variant pathogenicity was a challenge since this family belongs to an underrepresented population in genomic databases. Given the scarcity of literature documenting XP-E cases and the challenges encountered in achieving an early diagnosis, this report emphasizes the imperative of sun protection measures in XP-E patients. Additionally, it highlights the detrimental impact of the COVID-19 pandemic on cancer diagnosis, leading to the manifestation of a severe phenotype in affected individuals.
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Affiliation(s)
- Ana Rafaela de Souza Timoteo
- Departamento de Biologia Celular e Genética, Universidade Federal do Rio Grande do Norte, Av. Senador Salgado Filho, s/n, Natal, 59078-970, RN, Brazil
| | | | - Andrey A Yurchenko
- Cancer Genomics Lab, B2M, Gustave Roussy Cancer Campus, 114 rue Edouard Vaillant, Villejuif, 94805, France
| | | | - Paulo de Souza Segundo
- Hospital Universitário Onofre Lopes, Universidade Federal do Rio Grande do Norte, Av. Nilo Peçanha, 620, 59012-300, RN, Natal, Brazil
| | - Fatemeh Rajabi
- Cancer Genomics Lab, B2M, Gustave Roussy Cancer Campus, 114 rue Edouard Vaillant, Villejuif, 94805, France
| | - Sergey Nikolaev
- Cancer Genomics Lab, B2M, Gustave Roussy Cancer Campus, 114 rue Edouard Vaillant, Villejuif, 94805, France
| | - Tirzah Braz Petta
- Departamento de Biologia Celular e Genética, Universidade Federal do Rio Grande do Norte, Av. Senador Salgado Filho, s/n, Natal, 59078-970, RN, Brazil.
- Keck School of Medicine, Department of Pathology, University of Southern California, HMR 315, 2011, Zonal Avenue, Los Angeles, CA, 90089-9092, USA.
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Akbari H, Taeb S, Adibzadeh A, Akbari H. Nonionizing Electromagnetic Irradiations; Biological Interactions, Human Safety. J Biomed Phys Eng 2023; 13:299-308. [PMID: 37609512 PMCID: PMC10440414 DOI: 10.31661/jbpe.v0i0.2010-1203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Accepted: 12/21/2020] [Indexed: 08/24/2023]
Abstract
Human is usually exposed to environmental radiation from natural and man-made sources. Therefore, it is important to investigate the effects of exposure to environmental radiation, partly related to understanding and protecting against the risk of exposure to environmental radiation with beneficial and adverse impacts on human life. The rapid development of technologies causes a dramatic enhancement of radiation in the human environment. In this study, we address the biological effects caused by different fractions of non-ionizing electromagnetic irradiation to humans and describe possible approaches for minimizing adverse health effects initiated by radiation. The main focus was on biological mechanisms initiated by irradiation and represented protection, and safety approaches to prevent health disorders.
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Affiliation(s)
- Hamed Akbari
- Health Research Center, Lifestyle Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Shahram Taeb
- Department of Radiology, School of Paramedical Sciences, Guilan University of Medical Sciences, Rasht, Iran
- Medical Biotechnology Research Center, School of Paramedical Sciences, Guilan University of Medical Sciences, Rasht, Iran
| | - Amir Adibzadeh
- Health Research Center, Lifestyle Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Hesam Akbari
- Health Research Center, Lifestyle Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
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Liu H, Cheng J, Zhuang X, Qi B, Li F, Zhang B. Genomic instability and eye diseases. ADVANCES IN OPHTHALMOLOGY PRACTICE AND RESEARCH 2023; 3:103-111. [PMID: 37846358 PMCID: PMC10577848 DOI: 10.1016/j.aopr.2023.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 03/30/2023] [Accepted: 03/30/2023] [Indexed: 10/18/2023]
Abstract
Background Genetic information is stored in the bases of double-stranded DNA. However, the integrity of DNA molecules is constantly threatened by various mutagenic agents, including pollutants, ultraviolet light (UV), and medications. To counteract these environmental damages, cells have established multiple mechanisms, such as producing molecules to identify and eliminate damaged DNA, as well as reconstruct the original DNA structures. Failure or insufficiency of these mechanisms can cause genetic instability. However, the role of genome stability in eye diseases is still under-researched, despite extensive study in cancer biology. Main text As the eye is directly exposed to the external environment, the genetic materials of ocular cells are constantly under threat. Some of the proteins essential for DNA damage repair, such as pRb, p53, and RAD21, are also key during the ocular disease development. In this review, we discuss five ocular diseases that are associated with genomic instability. Retinoblastoma and pterygium are linked to abnormal cell cycles. Fuchs' corneal endothelial dystrophy and age-related macular degeneration are related to the accumulation of DNA damage caused by oxidative damage and UV. The mutation of the subunit of the cohesin complex during eye development is linked to sclerocornea. Conclusions Failure of DNA damage detection or repair leads to increased genomic instability. Deciphering the role of genomic instability in ocular diseases can lead to the development of new treatments and strategies, such as protecting vulnerable cells from risk factors or intensifying damage to unwanted cells.
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Affiliation(s)
- Hongyan Liu
- Eye Institute of Shandong First Medical University, Qingdao Eye Hospital of Shandong First Medical University, Qingdao, China
- School of Ophthalmology, Shandong First Medical University, Qingdao, China
| | - Jun Cheng
- Eye Institute of Shandong First Medical University, Qingdao Eye Hospital of Shandong First Medical University, Qingdao, China
- School of Ophthalmology, Shandong First Medical University, Qingdao, China
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Qingdao, China
| | - Xiaoyun Zhuang
- School of Ophthalmology, Shandong First Medical University, Qingdao, China
- Eye Institute of Shandong First Medical University, Eye Hospital of Shandong First Medical University (Shandong Eye Hospital), Jinan, China
- Department of Ophthalmology, School of Clinical Medicine, Weifang Medical University, Weifang, China
| | - Benxiang Qi
- Eye Institute of Shandong First Medical University, Qingdao Eye Hospital of Shandong First Medical University, Qingdao, China
- School of Ophthalmology, Shandong First Medical University, Qingdao, China
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Qingdao, China
| | - Fenfen Li
- The Eye Hospital of Wenzhou Medical University, Hangzhou, China
| | - Bining Zhang
- Eye Institute of Shandong First Medical University, Qingdao Eye Hospital of Shandong First Medical University, Qingdao, China
- School of Ophthalmology, Shandong First Medical University, Qingdao, China
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Qingdao, China
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Lundsgaard NU, Hird C, Doody KA, Franklin CE, Cramp RL. Carryover effects from environmental change in early life: An overlooked driver of the amphibian extinction crisis? GLOBAL CHANGE BIOLOGY 2023; 29:3857-3868. [PMID: 37310166 DOI: 10.1111/gcb.16726] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 03/27/2023] [Indexed: 06/14/2023]
Abstract
Ecological carryover effects, or delayed effects of the environment on an organism's phenotype, are central predictors of individual fitness and a key issue in conservation biology. Climate change imposes increasingly variable environmental conditions that may be challenging to early life-history stages in animals with complex life histories, leading to detrimental physiological and fitness effects in later life. Yet, the latent nature of carryover effects, combined with the long temporal scales over which they can manifest, means that this phenomenon remains understudied and is often overlooked in short-term studies limited to single life-history stages. Herein, we review evidence for the physiological carryover effects induced by elevated ultraviolet radiation (UVR; 280-400 nm) as a potential contributor to recent amphibian population declines. UVR exposure causes a suite of molecular, cellular and physiological consequences known to underpin carryover effects in other taxa, but there is a lack of research linking embryonic and larval UVR exposures to fitness consequences post-metamorphosis in amphibians. We propose that the key impacts of UVR on disease-related amphibian declines are facilitated through carryover effects that bridge embryonic and larval UVR exposure with potential increased disease susceptibility post-metamorphosis. We conclude by identifying a practical direction for the study of ecological carryover effects in amphibians that could guide future ecological research in the broader field of conservation physiology. Only by addressing carryover effects can many of the mechanistic links between environmental change and population declines be elucidated.
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Affiliation(s)
- Niclas U Lundsgaard
- School of Biological Sciences, The University of Queensland, St Lucia, Australia
| | - Coen Hird
- School of Biological Sciences, The University of Queensland, St Lucia, Australia
| | - Kathleen A Doody
- School of Biological Sciences, The University of Queensland, St Lucia, Australia
| | - Craig E Franklin
- School of Biological Sciences, The University of Queensland, St Lucia, Australia
| | - Rebecca L Cramp
- School of Biological Sciences, The University of Queensland, St Lucia, Australia
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Wu F, Xia X, Lei T, Du H, Hua H, Liu W, Xu B, Yang T. Inhibition of SIRT1 promotes ultraviolet B induced cataract via downregulation of the KEAP1/NFE2L2 signaling pathway. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2023; 245:112753. [PMID: 37437439 DOI: 10.1016/j.jphotobiol.2023.112753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 06/24/2023] [Accepted: 06/29/2023] [Indexed: 07/14/2023]
Abstract
Due to continuous exposure to ultraviolet B(UVB) radiation, eye lenses are constantly subjected to oxidative stress that induces lens epithelial cell (LEC) apoptosis, which has been associated with the inactivation of Sirtuin1 (SIRT1). It is well-established that NFE2L2 has a major protective effect on UVB-induced oxidative stress and damage. However, whether UVB radiation affects oxidative/antioxidative imbalance and damages LECs by inactivating the protective NFE2L2-mediated antioxidative stress pathway through inhibition of SIRT1 is unknown. In our research, we established in vivo and in vitro UVB exposure models in Sprague Dawley rats and SRA01/04 cells, respectively, to investigate the effect of UVB radiation on the NFE2L2/ KEAP1 pathway and the role of SIRT1 in this process. The in vivo findings revealed that UVB radiation exposure decreased Sirt1 and Nfe2l2 levels, upregulated Keap1 expression, led to an oxidative/antioxidative imbalance and increased LEC apoptosis in the eye lens. Sirt1 downregulated Keap1 expression levels, but activated Nfe2l2 and its downstream target proteins. The in vitro findings showed that UVB inhibited the deacetylation of SIRT1 target proteins and increased the acetylation levels of KEAP1 and NFE2L2. We also found that UVB radiation exposure led to a significant decrease in both co-localization levels and protein interaction between SIRT1 and KEAP1. In addition, the inhibition of SIRT1 increased KEAP1 levels, inhibited the activity of NFE2L2 and decreased co- localization levels and protein interactions between NFE2L2 and KEAP1. These results suggested that UVB radiation decreased SIRT1 levels and inhibited the KEAP1/NFE2L2 pathway, thereby reducing its antioxidant effect, which might be an important mechanism of UVB-induced cataract.
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Affiliation(s)
- Feiying Wu
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, Shenyang, Liaoning 110122, China; Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning 110122, China
| | - Xinyu Xia
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, Shenyang, Liaoning 110122, China; Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning 110122, China
| | - Ting Lei
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, Shenyang, Liaoning 110122, China; Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning 110122, China
| | - Huiying Du
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, Shenyang, Liaoning 110122, China; Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning 110122, China
| | - Hui Hua
- The International Peace Maternity & Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, China; Shanghai Key Laboratory of Embryo Original Disease, Shanghai 200030, China
| | - Wei Liu
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, Shenyang, Liaoning 110122, China; Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning 110122, China
| | - Bin Xu
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, Shenyang, Liaoning 110122, China; Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning 110122, China
| | - Tianyao Yang
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, Shenyang, Liaoning 110122, China; Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning 110122, China.
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Lin M, Liu X, Wang X, Chen Y, Zhang Y, Xu J, Bu L, Zhang Y, Liang F, Zhang X, Huang B, Zhang M, Zhang L. A Comparative Study of Skin Changes in Different Species of Mice in Chronic Photoaging Models. Int J Mol Sci 2023; 24:10812. [PMID: 37445996 DOI: 10.3390/ijms241310812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 06/19/2023] [Accepted: 06/26/2023] [Indexed: 07/15/2023] Open
Abstract
This study aimed to design a novel mouse model of chronic photoaging. We used three different species of mice (C57BL/6J, ICR, and KM) to create a chronic photoaging model of the skin. The irradiation time was gradually increased for 40 consecutive days. The skins of the mice were removed on day 41 and subjected to staining to observe them for morphological changes. Immunohistochemistry was used to detect tumor necrosis factor-α (TNF-α) and p53 expression; superoxide dismutase (SOD) and malondialdehyde (MDA) were measured as well. Compared with C57BL/J mice, which showed hyperpigmentation, the irradiated skin of ICR and KM mice showed more obvious skin thickening and photoaging changes of the collagen and elastic fibers. KM mice had higher levels of inflammation, oxidative stress, and senescent cells. Compared with the 5-month-old KM mice, the photoaging changes of the 9-month-old KM mice were more pronounced, the SOD values were lower, and the MDA values were higher. In summary, KM mice have higher levels of abnormal elastic fibers, inflammation, cellular senescence, and oxidative stress than ICR mice, and are more suitable for studies related to chronic skin photoaging. C57BL/6J mice were found to be suitable for studies related to skin pigmentation due to photoaging.
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Affiliation(s)
- Meifen Lin
- GDMPA Key Laboratory of Key Technologies for Cosmetics Safety and Efficacy Evaluation, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Xiaoran Liu
- Guangzhou Dublin International College of Life Sciences and Technology, South China Agricultural University, Guangzhou 510642, China
| | - Xueer Wang
- GDMPA Key Laboratory of Key Technologies for Cosmetics Safety and Efficacy Evaluation, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Yinyan Chen
- GDMPA Key Laboratory of Key Technologies for Cosmetics Safety and Efficacy Evaluation, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Yijia Zhang
- GDMPA Key Laboratory of Key Technologies for Cosmetics Safety and Efficacy Evaluation, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Jinfu Xu
- GDMPA Key Laboratory of Key Technologies for Cosmetics Safety and Efficacy Evaluation, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Lingwei Bu
- GDMPA Key Laboratory of Key Technologies for Cosmetics Safety and Efficacy Evaluation, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Yarui Zhang
- GDMPA Key Laboratory of Key Technologies for Cosmetics Safety and Efficacy Evaluation, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Fengting Liang
- GDMPA Key Laboratory of Key Technologies for Cosmetics Safety and Efficacy Evaluation, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Xinyue Zhang
- GDMPA Key Laboratory of Key Technologies for Cosmetics Safety and Efficacy Evaluation, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Bingli Huang
- School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Min Zhang
- GDMPA Key Laboratory of Key Technologies for Cosmetics Safety and Efficacy Evaluation, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Lin Zhang
- GDMPA Key Laboratory of Key Technologies for Cosmetics Safety and Efficacy Evaluation, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
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Vanella L, Consoli V, Burò I, Gulisano M, Giglio MS, Maugeri L, Petralia S, Castellano A, Sorrenti V. Standardized Extract from Wastes of Edible Flowers and Snail Mucus Ameliorate Ultraviolet B-Induced Damage in Keratinocytes. Int J Mol Sci 2023; 24:10185. [PMID: 37373341 DOI: 10.3390/ijms241210185] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/12/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
Several studies have highlighted the ability of snail mucus in maintaining healthy skin conditions due to its emollient, regenerative, and protective properties. In particular, mucus derived from Helix aspersa muller has already been reported to have beneficial properties such as antimicrobial activity and wound repair capacity. In order to enhance the beneficial effects of snail mucus, a formulation enriched with antioxidant compounds derived from edible flower waste (Acmella oleracea L., Centaurea cyanus L., Tagetes erecta L., Calendula officinalis L., and Moringa oleifera Lam.) was obtained. UVB damage was used as a model to investigate in vitro the cytoprotective effects of snail mucus and edible flower extract. Results demonstrated that polyphenols from the flower waste extract boosted the antioxidant activity of snail mucus, providing cytoprotective effects in keratinocytes exposed to UVB radiation. Additionally, glutathione content, reactive oxygen species (ROS), and lipid peroxidation levels were reduced following the combined treatment with snail mucus and edible flower waste extract. We demonstrated that flower waste can be considered a valid candidate for cosmeceutical applications due to its potent antioxidant activity. Thus, a new formulation of snail mucus enriched in extracts of edible flower waste could be useful to design innovative and sustainable broadband natural UV-screen cosmeceutical products.
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Affiliation(s)
- Luca Vanella
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy
- CERNUT-Research Centre for Nutraceuticals and Health Products, University of Catania, 95125 Catania, Italy
| | - Valeria Consoli
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy
- CERNUT-Research Centre for Nutraceuticals and Health Products, University of Catania, 95125 Catania, Italy
| | - Ilaria Burò
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy
| | - Maria Gulisano
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy
| | | | - Ludovica Maugeri
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy
| | - Salvatore Petralia
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy
| | - Angela Castellano
- Mediterranean Nutraceutical Extracts (Medinutrex), Via Vincenzo Giuffrida 202, 95128 Catania, Italy
| | - Valeria Sorrenti
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy
- CERNUT-Research Centre for Nutraceuticals and Health Products, University of Catania, 95125 Catania, Italy
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Tienda-Vázquez MA, Hanel JM, Márquez-Arteaga EM, Salgado-Álvarez AP, Scheckhuber CQ, Alanis-Gómez JR, Espinoza-Silva JI, Ramos-Kuri M, Hernández-Rosas F, Melchor-Martínez EM, Parra-Saldívar R. Exosomes: A Promising Strategy for Repair, Regeneration and Treatment of Skin Disorders. Cells 2023; 12:1625. [PMID: 37371095 DOI: 10.3390/cells12121625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 06/08/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
The skin is the organ that serves as the outermost layer of protection against injury, pathogens, and homeostasis with external factors; in turn, it can be damaged by factors such as burns, trauma, exposure to ultraviolet light (UV), infrared radiation (IR), activating signaling pathways such as Toll-like receptors (TLR) and Nuclear factor erythroid 2-related factor 2 (NRF2), among others, causing a need to subsequently repair and regenerate the skin. However, pathologies such as diabetes lengthen the inflammatory stage, complicating the healing process and, in some cases, completely inhibiting it, generating susceptibility to infections. Exosomes are nano-sized extracellular vesicles that can be isolated and purified from different sources such as blood, urine, breast milk, saliva, urine, umbilical cord bile cells, and mesenchymal stem cells. They have bioactive compounds that, thanks to their paracrine activity, have proven to be effective as anti-inflammatory agents, inducers of macrophage polarization and accelerators of skin repair and regeneration, reducing the possible complications relating to poor wound repair, and prolonged inflammation. This review provides information on the use of exosomes as a promising therapy against damage from UV light, infrared radiation, burns, and skin disorders.
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Affiliation(s)
- Mario Adrián Tienda-Vázquez
- School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey 64849, Mexico
- Biomedical Engineering Program, Faculty of Engineering, Anahuac Queretaro University, Querétaro 76246, Mexico
| | - Juan Manuel Hanel
- Biomedical Engineering Program, Faculty of Engineering, Anahuac Queretaro University, Querétaro 76246, Mexico
| | | | - Ana Paola Salgado-Álvarez
- Biomedical Engineering Program, Faculty of Engineering, Anahuac Queretaro University, Querétaro 76246, Mexico
| | - Christian Quintus Scheckhuber
- School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey 64849, Mexico
- School of Engineering and Sciences, Campus Mexico City, Tecnologico de Monterrey, Mexico City 14380, Mexico
| | - José Rafael Alanis-Gómez
- Biomedical Engineering Program, Faculty of Engineering, Anahuac Queretaro University, Querétaro 76246, Mexico
- Division Research and Postgraduate Division, Faculty of Engineering, Autonomous University of Querétaro, Querétaro 76010, Mexico
| | | | - Manuel Ramos-Kuri
- Escuela de Medicina y Ciencias de la Salud, Tecnologico de Monterrey, Monterrey 64710, Mexico
| | - Fabiola Hernández-Rosas
- Biomedical Engineering Program, Faculty of Engineering, Anahuac Queretaro University, Querétaro 76246, Mexico
- Research Center, Anahuac Queretaro University, Querétaro 76246, Mexico
| | - Elda M Melchor-Martínez
- School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey 64849, Mexico
- Institute of Advanced Materials for Sustainable Manufacturing, Tecnologico de Monterrey, Monterrey 64849, Mexico
| | - Roberto Parra-Saldívar
- School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey 64849, Mexico
- Institute of Advanced Materials for Sustainable Manufacturing, Tecnologico de Monterrey, Monterrey 64849, Mexico
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46
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Gholap AD, Sayyad SF, Hatvate NT, Dhumal VV, Pardeshi SR, Chavda VP, Vora LK. Drug Delivery Strategies for Avobenzone: A Case Study of Photostabilization. Pharmaceutics 2023; 15:pharmaceutics15031008. [PMID: 36986867 PMCID: PMC10059943 DOI: 10.3390/pharmaceutics15031008] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/03/2023] [Accepted: 03/07/2023] [Indexed: 03/30/2023] Open
Abstract
Several developments and research methods are ongoing in drug technology and chemistry research to elicit effectiveness regarding the therapeutic activity of drugs along with photoprotection for their molecular integrity. The detrimental effect of UV light induces damaged cells and DNA, which leads to skin cancer and other phototoxic effects. The application of sunscreen shields to the skin is important, along with recommended UV filters. Avobenzone is widely used as a UVA filter for skin photoprotection in sunscreen formulations. However, keto-enol tautomerism propagates photodegradation into it, which further channelizes the phototoxic and photoirradiation effects, further limiting its use. Several approaches have been used to counter these issues, including encapsulation, antioxidants, photostabilizers, and quenchers. To seek the gold standard approach for photoprotection in photosensitive drugs, combinations of strategies have been implemented to identify effective and safe sunscreen agents. The stringent regulatory guidelines for sunscreen formulations, along with the availability of limited FDA-approved UV filters, have led many researchers to develop perfect photostabilization strategies for available photostable UV filters, such as avobenzone. From this perspective, the objective of the current review is to summarize the recent literature on drug delivery strategies implemented for the photostabilization of avobenzone that could be useful to frame industrially oriented potential strategies on a large scale to circumvent all possible photounstable issues of avobenzone.
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Affiliation(s)
- Amol D Gholap
- Department of Pharmaceutics, St. John Institute of Pharmacy and Research, Palghar 401404, Maharashtra, India
- Department of Pharmaceutics, Amrutvahini College of Pharmacy, Sangamner 422608, Maharashtra, India
| | - Sadikali F Sayyad
- Department of Pharmaceutics, Amrutvahini College of Pharmacy, Sangamner 422608, Maharashtra, India
| | - Navnath T Hatvate
- Institute of Chemical Technology Mumbai, Marathwada Campus, Jalna 431213, Maharashtra, India
| | - Vilas V Dhumal
- Department of Pharmaceutics, St. John Institute of Pharmacy and Research, Palghar 401404, Maharashtra, India
| | - Sagar R Pardeshi
- Department of Pharmaceutics, St. John Institute of Pharmacy and Research, Palghar 401404, Maharashtra, India
| | - Vivek P Chavda
- Department of Pharmaceutics and Pharmaceutical Technology, LM College of Pharmacy, Ahmedabad 380009, Gujarat, India
| | - Lalitkumar K Vora
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
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Li A, He H, Chen Y, Liao F, Tang J, Li L, Fan Y, Li L, Xiong L. Effects of donkey milk on UVB-induced skin barrier damage and melanin pigmentation: A network pharmacology and experimental validation study. Front Nutr 2023; 10:1121498. [PMID: 36969816 PMCID: PMC10033878 DOI: 10.3389/fnut.2023.1121498] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Accepted: 02/10/2023] [Indexed: 03/11/2023] Open
Abstract
IntroductionDairy products have long been regarded as a controversial nutrient for the skin. However, a clear demonstration of donkey milk (DM) on skincare is required.MethodsIn this study, spectrum and chemical component analyses were applied to DM. Then, the effects of DM on UVB-induced skin barrier damage and melanin pigmentation were first evaluated in vitro and in vivo. Cell survival, animal models, and expression of filaggrin (FLG) were determined to confirm the effect of DM on UVB-induced skin barrier damage. Melanogenesis and tyrosinase (TYR) activity were assessed after UVB irradiation to clarify the effect of DM on whitening activities. Further, a network pharmacology method was applied to study the interaction between DM ingredients and UVB-induced skin injury. Meanwhile, an analysis of the melanogenesis molecular target network was developed and validated to predict the melanogenesis regulators in DM.ResultsDM was rich in cholesterols, fatty acids, vitamins and amino acids. The results of evaluation of whitening activities in vitro and in vivo indicated that DM had a potent inhibitory effect on melanin synthesis. The results of effects of DM on UVB‑induced skin barrier damage indicated that DM inhibited UVB-induced injury and restored skin barrier function via up-regulation expression of FLG (filaggrin). The pharmacological network of DM showed that DM regulated steroid biosynthesis and fatty acid metabolism in keratinocytes and 64 melanin targets which the main contributing role of DM might target melanogenesis, cell adhesion molecules (CAMs), and Tumor necrosis factor (TNF) pathway.DiscussionThese results highlight the potential use of DM as a promising agent for whitening and anti-photoaging applications.
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Affiliation(s)
- Anqi Li
- Cosmetics Safety and Efficacy Evaluation Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- NMPA Key Laboratory for Human Evaluation and Big Data of Cosmetics, Chengdu, China
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Hailun He
- Cosmetics Safety and Efficacy Evaluation Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- NMPA Key Laboratory for Human Evaluation and Big Data of Cosmetics, Chengdu, China
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yanjing Chen
- Cosmetics Safety and Efficacy Evaluation Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- NMPA Key Laboratory for Human Evaluation and Big Data of Cosmetics, Chengdu, China
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Feng Liao
- National Engineering Research Center for Gelatin-based Traditional Chinese Medicine, Dong-E-E-Jiao Co. Ltd., Shandong, China
| | - Jie Tang
- Cosmetics Safety and Efficacy Evaluation Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- NMPA Key Laboratory for Human Evaluation and Big Data of Cosmetics, Chengdu, China
| | - Li Li
- Laboratory of Pathology, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Yumei Fan
- National Engineering Research Center for Gelatin-based Traditional Chinese Medicine, Dong-E-E-Jiao Co. Ltd., Shandong, China
| | - Li Li
- Cosmetics Safety and Efficacy Evaluation Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- NMPA Key Laboratory for Human Evaluation and Big Data of Cosmetics, Chengdu, China
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- *Correspondence: Li Li,
| | - Lidan Xiong
- Cosmetics Safety and Efficacy Evaluation Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- NMPA Key Laboratory for Human Evaluation and Big Data of Cosmetics, Chengdu, China
- Lidan Xiong,
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Huang L, You L, Aziz N, Yu SH, Lee JS, Choung ES, Luong VD, Jeon MJ, Hur M, Lee S, Lee BH, Kim HG, Cho JY. Antiphotoaging and Skin-Protective Activities of Ardisia silvestris Ethanol Extract in Human Keratinocytes. PLANTS (BASEL, SWITZERLAND) 2023; 12:1167. [PMID: 36904025 PMCID: PMC10007040 DOI: 10.3390/plants12051167] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/01/2023] [Accepted: 03/01/2023] [Indexed: 06/18/2023]
Abstract
Ardisia silvestris is a traditional medicinal herb used in Vietnam and several other countries. However, the skin-protective properties of A. silvestris ethanol extract (As-EE) have not been evaluated. Human keratinocytes form the outermost barrier of the skin and are the main target of ultraviolet (UV) radiation. UV exposure causes skin photoaging via the production of reactive oxygen species. Protection from photoaging is thus a key component of dermatological and cosmetic products. In this research, we found that As-EE can prevent UV-induced skin aging and cell death as well as enhance the barrier effect of the skin. First, the radical-scavenging ability of As-EE was checked using DPPH, ABTS, TPC, CUPRAC, and FRAP assays, and a 3-(4-5-dimethylthiazol-2-yl)-2-5-diphenyltetrazolium bromide assay was used to examine cytotoxicity. Reporter gene assays were used to determine the doses that affect skin-barrier-related genes. A luciferase assay was used to identify possible transcription factors. The anti-photoaging mechanism of As-EE was investigated by determining correlated signaling pathways using immunoblotting analyses. As-EE had no harmful effects on HaCaT cells, according to our findings, and As-EE revealed moderate radical-scavenging ability. With high-performance liquid chromatography (HPLC) analysis, rutin was found to be one of the major components. In addition, As-EE enhanced the expression levels of hyaluronic acid synthase-1 and occludin in HaCaT cells. Moreover, As-EE dose-dependently up-regulated the production of occludin and transglutaminase-1 after suppression caused by UVB blocking the activator protein-1 signaling pathway, in particular, the extracellular response kinase and c-Jun N-terminal kinase. Our findings suggest that As-EE may have anti-photoaging effects by regulating mitogen-activated protein kinase, which is good news for the cosmetics and dermatology sectors.
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Affiliation(s)
- Lei Huang
- Department of Biocosmetics, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Long You
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Nur Aziz
- Pharmacy Program, Faculty of Science and Technology, Ma Chung University, Malang 65151, Indonesia
| | - Seung Hui Yu
- DanjoungBio, Co., Ltd., Wonju 26303, Republic of Korea
| | - Jong Sub Lee
- DanjoungBio, Co., Ltd., Wonju 26303, Republic of Korea
| | - Eui Su Choung
- DanjoungBio, Co., Ltd., Wonju 26303, Republic of Korea
| | - Van Dung Luong
- Department of Biology, Dalat University, 01 Phu Dong Thien Vuong, Dalat 66106, Vietnam
| | - Mi-Jeong Jeon
- National Institute of Biological Resources, Environmental Research Complex, Incheon 222689, Republic of Korea
| | - Moonsuk Hur
- National Institute of Biological Resources, Environmental Research Complex, Incheon 222689, Republic of Korea
| | - Sarah Lee
- National Institute of Biological Resources, Environmental Research Complex, Incheon 222689, Republic of Korea
| | - Byoung-Hee Lee
- National Institute of Biological Resources, Environmental Research Complex, Incheon 222689, Republic of Korea
| | - Han Gyung Kim
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea
- Research Institute of Biomolecule Control and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Jae Youl Cho
- Department of Biocosmetics, Sungkyunkwan University, Suwon 16419, Republic of Korea
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea
- Research Institute of Biomolecule Control and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Republic of Korea
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Porrawatkul P, Nuengmatcha P, Kuyyogsuy A, Pimsen R, Rattanaburi P. Effect of Na and Al doping on ZnO nanoparticles for potential application in sunscreens. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2023; 240:112668. [PMID: 36774718 DOI: 10.1016/j.jphotobiol.2023.112668] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/19/2023] [Accepted: 02/01/2023] [Indexed: 02/10/2023]
Abstract
This study investigated the environment-friendly production and characterization of zinc oxide nanoparticles (ZnO NPs) doped with sodium (Na) and aluminum (Al) metals to decrease the photocatalytic activity of ZnO for use in sunscreen. The metal-doped zinc oxide (ZnO) materials were prepared by the microwave method using extracts of Averrhoa carambola, also known as star fruit, as a reducing agent. The effects of metal-ion doping on the crystal structure, morphology, and optical characteristics of ZnO were analyzed by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive x-ray spectroscopy (EDX), transmission electron microscopy (TEM), and ultraviolet-visible (UV-Vis) spectroscopy. The sun protection factor (SPF) of the sunscreen formulations containing undoped ZnO, Na-doped ZnO (Na/ZnO), and Al-doped ZnO (Al/ZnO) NPs were found to be 10.10, 25.10, and 43.08, respectively. Therefore, Na/ZnO and Al/ZnO showed increased SPF. Additionally, the prepared nanomaterials and sunscreens were effective against Gram-positive and Gram-negative bacteria and showed antioxidant activities. The methylene blue (MB) degradation was used to evaluate the photocatalytic activities of the undoped ZnO, Na/ZnO, and Al/ZnO NPs, which were found to be 66%, 46%, and 38%, respectively. Therefore, due to the structural defects of ZnO NPs, their photocatalytic activity was decreased with Na- and Al- doping. Additionally, Al/ZnO is an ideal candidate as an ingredient in sunscreens.
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Affiliation(s)
| | - Prawit Nuengmatcha
- Creative Innovation in Science and Technology; Nanomaterials Chemistry Research Unit, Department of Chemistry, Faculty of Science and Technology, Nakhon Si Thammarat Rajabhat University, Nakhon Si Thammarat 80280, Thailand.
| | - Arnannit Kuyyogsuy
- Nanomaterials Chemistry Research Unit, Department of Chemistry, Faculty of Science and Technology, Nakhon Si Thammarat Rajabhat University, Nakhon Si Thammarat 80280, Thailand
| | - Rungnapa Pimsen
- Nanomaterials Chemistry Research Unit, Department of Chemistry, Faculty of Science and Technology, Nakhon Si Thammarat Rajabhat University, Nakhon Si Thammarat 80280, Thailand
| | - Parintip Rattanaburi
- Department of General Science, Faculty of Education, Nakhon Si Thammarat Rajabhat University, Nakhon Si Thammarat 80280, Thailand
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Xu J, Wu G, Yu X, Dong Z, Yan J, Wu L, Bao L, Liu Q. Exploring the mechanism of MP gel against skin photoaging based on network pharmacology, molecular docking, and experimental validation. J Cosmet Dermatol 2023; 22:1108-1123. [PMID: 36465034 DOI: 10.1111/jocd.15542] [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: 04/07/2022] [Revised: 11/02/2022] [Accepted: 11/18/2022] [Indexed: 12/12/2022]
Abstract
OBJECTIVE Long-term and high exposure to UV radiation can lead to the development of skin photoaging diseases. Therefore, there is an ongoing need for more natural and safe drugs to prevent or treat skin photoaging diseases. METHODS The Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform database were used to collect the active compounds and corresponding targets of Cnidii Fructus, Arnebiae Radix, Angelicae Sinensis Radix, Poria, and Borneolum. The GeneCards database and the NCBI Gene database were used to collect the targets of skin photoaging diseases. The STRING database was used to construct a protein-protein interaction network formed by the intersecting targets of drugs and diseases. The Metascape database was applied for Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis of the targets. Molecular docking between active compounds and targets was verified by Autodock. After that, the skin photoaging model of mice was established and treated with MP gel. The skin characterization on the back of mice was observed, and the ameliorative effect of MP gel on skin photoaging was evaluated by histological and epidermal thickness assays. The MDA content and SOD activity were measured. Caspase-3 expression in mouse skin tissues was detected by immunohistochemistry, quantitative real-time polymerase chain reaction assay, and Western blot. RESULTS The results of network pharmacology experiments showed that the natural drugs have multi-component, multi-target therapeutic disease characteristics. The results of animal studies showed that MP gel improved the health of photoaged skin, promoted skin structural integrity, had antioxidant properties and significantly inhibited caspase-3 expression. CONCLUSION The experimental validation of the results of the preliminary network pharmacology analysis was carried out in animal experiments, which confirmed part of the mechanism of action of MP gel in the prevention and treatment of skin photoaging.
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Affiliation(s)
- Jinfan Xu
- Department of Pharmacology, Baotou Medical College, Baotou, Inner Mongolia, China
| | - Guodong Wu
- Department of Pharmacology, Baotou Medical College, Baotou, Inner Mongolia, China
| | - Xianglin Yu
- Department of Pharmacology, Baotou Medical College, Baotou, Inner Mongolia, China
| | - Zhiheng Dong
- Department of Pharmacy, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
| | - Jibiao Yan
- Inner Mongolia Puze Biological Products Co., Ltd., Hohhot, Inner Mongolia, China
| | - Lan Wu
- Mongolia Medical School, Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
| | - Lidao Bao
- Hohhot Mongolian Hospital of Traditional Chinese Medicine, Hohhot, Inner Mongolia, China
| | - Quanli Liu
- Department of Pharmacology, Baotou Medical College, Baotou, Inner Mongolia, China.,Institute of Bioactive Substance and Function of Mongolian Medicine and Chinese Materia Medica, Baotou Medical College, Baotou, Inner Mongolia, China
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