1
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Yang Y, Hang W, Li J, Liu T, Hu Y, Fang F, Yan D, McQuillan PM, Wang M, Hu Z. Effect of General Anesthetic Agents on Microglia. Aging Dis 2024; 15:1308-1328. [PMID: 37962460 PMCID: PMC11081156 DOI: 10.14336/ad.2023.1108] [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: 09/07/2023] [Accepted: 11/08/2023] [Indexed: 11/15/2023] Open
Abstract
The effects of general anesthetic agents (GAAs) on microglia and their potential neurotoxicity have attracted the attention of neuroscientists. Microglia play important roles in the inflammatory process and in neuromodulation of the central nervous system. Microglia-mediated neuroinflammation is a key mechanism of neurocognitive dysfunction during the perioperative period. Microglial activation by GAAs induces anti-inflammatory and pro-inflammatory effects in microglia, suggesting that GAAs play a dual role in the mechanism of postoperative cognitive dysfunction. Understanding of the mechanisms by which GAAs regulate microglia may help to reduce the incidence of postoperative adverse effects. Here, we review the actions of GAAs on microglia and the consequent changes in microglial function. We summarize clinical and animal studies associating microglia with general anesthesia and describe how GAAs interact with neurons via microglia to further explore the mechanisms of action of GAAs in the nervous system.
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Affiliation(s)
- Yanchang Yang
- Department of Anesthesiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
| | - Wenxin Hang
- Department of Anesthesiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
| | - Jun Li
- Department of Anesthesiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
- Department of Anesthesiology, Shulan (Hangzhou) Hospital Affiliated to Zhejiang Shuren University Shulan International Medical College, Hangzhou, China.
| | - Tiantian Liu
- Department of Anesthesiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
- Department of Anesthesiology, Ningbo Women and Children's Hospital, Ningbo, China.
| | - Yuhan Hu
- Cell Biology Department, Yale University, New Haven, CT, USA.
| | - Fuquan Fang
- Department of Anesthesiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
| | - Dandan Yan
- Department of Anesthesiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
| | - Patrick M. McQuillan
- Department of Anesthesiology, Penn State Hershey Medical Center, Penn State College of Medicine, Hershey, PA, USA.
| | - Mi Wang
- Department of Anesthesiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
| | - Zhiyong Hu
- Department of Anesthesiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
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2
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Chu TW, Ho CC, Hsu YJ, Lo YH, Wu NL, Cheng YB, Hong MX, Chang DC, Hung CF. Protective Effects of Pear Extract on Skin from In Vitro and In Vivo UVA-Induced Damage. Pharmaceuticals (Basel) 2024; 17:583. [PMID: 38794153 PMCID: PMC11124007 DOI: 10.3390/ph17050583] [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: 03/25/2024] [Revised: 04/19/2024] [Accepted: 04/29/2024] [Indexed: 05/26/2024] Open
Abstract
The ancient Chinese medical book "Compendium of Materia Medica" records that pears can relieve symptoms of respiratory-related diseases. Previous research has shown that pear Pyrus Pyrifolia (Burm.f.) Nakai has antioxidant and anti-inflammatory properties. However, the anti-inflammatory, antioxidant, and anti-photoaging protective effects of Pyrus pyrifolia (Burm.f.) Nakai seed components have not been studied. Ultraviolet light (UV) causes skin inflammation, damages the skin barrier, and is an important cause of skin photoaging. Therefore, UV light with a wavelength of 365 nm was used to irradiate HaCaT and mice. Western blot, real-time quantitative polymerase chain reaction, and fluorescence imaging system were used to explore its anti-UVA mechanism. Dialysis membrane and nuclear magnetic resonance were used for the chemical constituent analysis of pear seed water extract (PSWE). We found that PSWE can significantly reduce UVA-induced skin cell death and mitogen-activated protein kinase phosphorylation and can inhibit the mRNA expression of UVA-induced cytokines (including IL-1β, IL-6, and TNF-α). In addition, PSWE can also reduce the generation of oxidative stress within skin cells. In vivo experimental studies found that PSWE pretreatment effectively reduced transepidermal water loss, inflammation, redness, and dryness in hairless mice. The molecular weight of the active part of pear water extract is approximately 384. Based on the above results, we first found that pear seeds can effectively inhibit oxidative stress and damage caused by UVA. It is a natural extract with antioxidant properties and anti-aging activity that protects skin cells and strengthens the skin barrier.
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Affiliation(s)
- Thomas W. Chu
- Department of Dermatology, Far Eastern Memorial Hospital, New Taipei City 22060, Taiwan;
- Department of Dermatology, Eastern Virginia Medical School, Norfolk, VA 23507, USA
| | - Ching-Chih Ho
- Department of Anesthesiology, Taoyuan Armed Forces General Hospital, Longtan, Taoyuan 325, Taiwan;
| | - Yu-Jou Hsu
- PhD Program in Pharmaceutical Biotechnology, Fu Jen Catholic University, New Taipei City 24205, Taiwan;
| | - Yuan-Hsin Lo
- Department of Dermatology, Fu Jen Catholic University Hospital, Fu Jen Catholic University, New Taipei City 242, Taiwan;
| | - Nan-Lin Wu
- Department of Medicine, Mackay Medical College, New Taipei City 25245, Taiwan;
- Department of Dermatology, MacKay Memorial Hospital, Taipei 10491, Taiwan
| | - Yuan-Bin Cheng
- Department of Marine Biotechnology and Resources, National Sun Yat-Sen University, Kaohsiung 804351, Taiwan; (Y.-B.C.); (M.-X.H.)
| | - Mao-Xuan Hong
- Department of Marine Biotechnology and Resources, National Sun Yat-Sen University, Kaohsiung 804351, Taiwan; (Y.-B.C.); (M.-X.H.)
| | - Der-Chen Chang
- Department of Mathematics and Statistics and Department of Computer Science, Georgetown University, Washington, DC 20057, USA;
| | - Chi-Feng Hung
- PhD Program in Pharmaceutical Biotechnology, Fu Jen Catholic University, New Taipei City 24205, Taiwan;
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- School of Medicine, Fu Jen Catholic University, New Taipei City 24205, Taiwan
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3
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Volarić J, van der Heide NJ, Mutter NL, Samplonius DF, Helfrich W, Maglia G, Szymanski W, Feringa BL. Visible Light Control over the Cytolytic Activity of a Toxic Pore-Forming Protein. ACS Chem Biol 2024; 19:451-461. [PMID: 38318850 PMCID: PMC10877574 DOI: 10.1021/acschembio.3c00640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 01/16/2024] [Accepted: 01/17/2024] [Indexed: 02/07/2024]
Abstract
Enabling control over the bioactivity of proteins with light, along with the principles of photopharmacology, has the potential to generate safe and targeted medical treatments. Installing light sensitivity in a protein can be achieved through its covalent modification with a molecular photoswitch. The general challenge in this approach is the need for the use of low energy visible light for the regulation of bioactivity. In this study, we report visible light control over the cytolytic activity of a protein. A water-soluble visible-light-operated tetra-ortho-fluoro-azobenzene photoswitch was synthesized by utilizing the nucleophilic aromatic substitution reaction for installing a solubilizing sulfonate group onto the electron-poor photoswitch structure. The azobenzene was attached to two cysteine mutants of the pore-forming protein fragaceatoxin C (FraC), and their respective activities were evaluated on red blood cells. For both mutants, the green-light-irradiated sample, containing predominantly the cis-azobenzene isomer, was more active compared to the blue-light-irradiated sample. Ultimately, the same modulation of the cytolytic activity pattern was observed toward a hypopharyngeal squamous cell carcinoma. These results constitute the first case of using low energy visible light to control the biological activity of a toxic protein.
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Affiliation(s)
- Jana Volarić
- Stratingh
Institute for Organic Chemistry, University
of Groningen, 9747 AG Groningen, The Netherlands
| | - Nieck J. van der Heide
- Groningen
Biomolecular Sciences and Biotechnology Institute, University of Groningen, 9747 AG Groningen, The Netherlands
| | - Natalie L. Mutter
- Groningen
Biomolecular Sciences and Biotechnology Institute, University of Groningen, 9747 AG Groningen, The Netherlands
| | - Douwe F. Samplonius
- Department
of Surgery, Translational Surgical Oncology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Wijnand Helfrich
- Department
of Surgery, Translational Surgical Oncology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Giovanni Maglia
- Groningen
Biomolecular Sciences and Biotechnology Institute, University of Groningen, 9747 AG Groningen, The Netherlands
| | - Wiktor Szymanski
- Stratingh
Institute for Organic Chemistry, University
of Groningen, 9747 AG Groningen, The Netherlands
- Department
of Radiology, Medical Imaging Center, University
of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
| | - Ben L. Feringa
- Stratingh
Institute for Organic Chemistry, University
of Groningen, 9747 AG Groningen, The Netherlands
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4
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Mazzeo L, Ghosh S, Di Cicco E, Isma J, Tavernari D, Samarkina A, Ostano P, Youssef MK, Simon C, Dotto GP. ANKRD1 is a mesenchymal-specific driver of cancer-associated fibroblast activation bridging androgen receptor loss to AP-1 activation. Nat Commun 2024; 15:1038. [PMID: 38310103 PMCID: PMC10838290 DOI: 10.1038/s41467-024-45308-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: 02/27/2023] [Accepted: 01/19/2024] [Indexed: 02/05/2024] Open
Abstract
There are significant commonalities among several pathologies involving fibroblasts, ranging from auto-immune diseases to fibrosis and cancer. Early steps in cancer development and progression are closely linked to fibroblast senescence and transformation into tumor-promoting cancer-associated fibroblasts (CAFs), suppressed by the androgen receptor (AR). Here, we identify ANKRD1 as a mesenchymal-specific transcriptional coregulator under direct AR negative control in human dermal fibroblasts (HDFs) and a key driver of CAF conversion, independent of cellular senescence. ANKRD1 expression in CAFs is associated with poor survival in HNSCC, lung, and cervical SCC patients, and controls a specific gene expression program of myofibroblast CAFs (my-CAFs). ANKRD1 binds to the regulatory region of my-CAF effector genes in concert with AP-1 transcription factors, and promotes c-JUN and FOS association. Targeting ANKRD1 disrupts AP-1 complex formation, reverses CAF activation, and blocks the pro-tumorigenic properties of CAFs in an orthotopic skin cancer model. ANKRD1 thus represents a target for fibroblast-directed therapy in cancer and potentially beyond.
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Affiliation(s)
- Luigi Mazzeo
- Department of Immunobiology, University of Lausanne, Epalinges, Switzerland
- Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Charlestown, MA, USA
| | - Soumitra Ghosh
- ORL service, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Emery Di Cicco
- Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Charlestown, MA, USA
| | - Jovan Isma
- Department of Immunobiology, University of Lausanne, Epalinges, Switzerland
| | - Daniele Tavernari
- Department of Computational Biology, University of Lausanne, Lausanne, Switzerland
- Swiss Cancer Center Léman, Lausanne, Switzerland
- Swiss Institute of Bioinformatics, Lausanne, Switzerland
| | | | - Paola Ostano
- Cancer Genomics Laboratory, Edo and Elvo Tempia Valenta Foundation, Biella, 13900, Italy
| | - Markus K Youssef
- Department of Immunobiology, University of Lausanne, Epalinges, Switzerland
| | - Christian Simon
- ORL service, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
- International Cancer Prevention Institute, Epalinges, Switzerland
| | - G Paolo Dotto
- Department of Immunobiology, University of Lausanne, Epalinges, Switzerland.
- Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Charlestown, MA, USA.
- ORL service, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland.
- International Cancer Prevention Institute, Epalinges, Switzerland.
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5
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Flieger J, Raszewska-Famielec M, Radzikowska-Büchner E, Flieger W. Skin Protection by Carotenoid Pigments. Int J Mol Sci 2024; 25:1431. [PMID: 38338710 PMCID: PMC10855854 DOI: 10.3390/ijms25031431] [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: 12/18/2023] [Revised: 01/19/2024] [Accepted: 01/22/2024] [Indexed: 02/12/2024] Open
Abstract
Sunlight, despite its benefits, can pose a threat to the skin, which is a natural protective barrier. Phototoxicity caused by overexposure, especially to ultraviolet radiation (UVR), results in burns, accelerates photoaging, and causes skin cancer formation. Natural substances of plant origin, i.e., polyphenols, flavonoids, and photosynthetic pigments, can protect the skin against the effects of radiation, acting not only as photoprotectors like natural filters but as antioxidant and anti-inflammatory remedies, alleviating the effects of photodamage to the skin. Plant-based formulations are gaining popularity as an attractive alternative to synthetic filters. Over the past 20 years, a large number of studies have been published to assess the photoprotective effects of natural plant products, primarily through their antioxidant, antimutagenic, and anti-immunosuppressive activities. This review selects the most important data on skin photodamage and photoprotective efficacy of selected plant carotenoid representatives from in vivo studies on animal models and humans, as well as in vitro experiments performed on fibroblast and keratinocyte cell lines. Recent research on carotenoids associated with lipid nanoparticles, nanoemulsions, liposomes, and micelles is reviewed. The focus was on collecting those nanomaterials that serve to improve the bioavailability and stability of carotenoids as natural antioxidants with photoprotective activity.
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Affiliation(s)
- Jolanta Flieger
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4A, 20-093 Lublin, Poland
| | - Magdalena Raszewska-Famielec
- Faculty of Physical Education and Health, University of Physicl Education, Akademicka 2, 21-500 Biała Podlaska, Poland;
| | - Elżbieta Radzikowska-Büchner
- Department of Plastic, Reconstructive and Maxillary Surgery, National Medical Institute of the Ministry of the Interior and Administration, Wołoska 137 Street, 02-507 Warszawa, Poland;
| | - Wojciech Flieger
- Chair and Department of Anatomy, Medical University of Lublin, K. Jaczewskiego 4, 20-090 Lublin, Poland;
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6
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Schütz S, Solé-Boldo L, Lucena-Porcel C, Hoffmann J, Brobeil A, Lonsdorf AS, Rodríguez-Paredes M, Lyko F. Functionally distinct cancer-associated fibroblast subpopulations establish a tumor promoting environment in squamous cell carcinoma. Nat Commun 2023; 14:5413. [PMID: 37669956 PMCID: PMC10480447 DOI: 10.1038/s41467-023-41141-9] [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: 11/04/2022] [Accepted: 08/24/2023] [Indexed: 09/07/2023] Open
Abstract
Cutaneous squamous cell carcinoma (cSCC) is a serious public health problem due to its high incidence and metastatic potential. It may progress from actinic keratosis (AK), a precancerous lesion, or the in situ carcinoma, Bowen's disease (BD). During this progression, malignant keratinocytes activate dermal fibroblasts into tumor promoting cancer-associated fibroblasts (CAFs), whose origin and emergence remain largely unknown. Here, we generate and analyze >115,000 single-cell transcriptomes from healthy skin, BD and cSCC of male donors. Our results reveal immunoregulatory and matrix-remodeling CAF subtypes that may derive from pro-inflammatory and mesenchymal fibroblasts, respectively. These CAF subtypes are largely absent in AK and interact with different cell types to establish a pro-tumorigenic microenvironment. These findings are cSCC-specific and could not be recapitulated in basal cell carcinomas. Our study provides important insights into the potential origin and functionalities of dermal CAFs that will be highly beneficial for the specific targeting of the cSCC microenvironment.
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Affiliation(s)
- Sabrina Schütz
- Division of Epigenetics, DKFZ-ZMBH Alliance, German Cancer Research Center, 69120, Heidelberg, Germany
| | - Llorenç Solé-Boldo
- Division of Epigenetics, DKFZ-ZMBH Alliance, German Cancer Research Center, 69120, Heidelberg, Germany
| | - Carlota Lucena-Porcel
- Institute of Pathology, Ruprecht-Karls University of Heidelberg, 69120, Heidelberg, Germany
- Tissue Bank of the National Center for Tumor Diseases (NCT), 69120, Heidelberg, Germany
| | - Jochen Hoffmann
- Department of Dermatology, University Hospital, Ruprecht-Karls University of Heidelberg, 69120, Heidelberg, Germany
| | - Alexander Brobeil
- Institute of Pathology, Ruprecht-Karls University of Heidelberg, 69120, Heidelberg, Germany
- Tissue Bank of the National Center for Tumor Diseases (NCT), 69120, Heidelberg, Germany
| | - Anke S Lonsdorf
- Department of Dermatology, University Hospital, Ruprecht-Karls University of Heidelberg, 69120, Heidelberg, Germany
| | - Manuel Rodríguez-Paredes
- Division of Epigenetics, DKFZ-ZMBH Alliance, German Cancer Research Center, 69120, Heidelberg, Germany.
| | - Frank Lyko
- Division of Epigenetics, DKFZ-ZMBH Alliance, German Cancer Research Center, 69120, Heidelberg, Germany.
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7
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Alves M, Asbell P, Dogru M, Giannaccare G, Grau A, Gregory D, Kim DH, Marini MC, Ngo W, Nowinska A, Saldanha IJ, Villani E, Wakamatsu TH, Yu M, Stapleton F. TFOS Lifestyle Report: Impact of environmental conditions on the ocular surface. Ocul Surf 2023; 29:1-52. [PMID: 37062427 DOI: 10.1016/j.jtos.2023.04.007] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 04/06/2023] [Indexed: 04/18/2023]
Abstract
Environmental risk factors that have an impact on the ocular surface were reviewed and associations with age and sex, race/ethnicity, geographical area, seasonality, prevalence and possible interactions between risk factors are reviewed. Environmental factors can be (a) climate-related: temperature, humidity, wind speed, altitude, dew point, ultraviolet light, and allergen or (b) outdoor and indoor pollution: gases, particulate matter, and other sources of airborne pollutants. Temperature affects ocular surface homeostasis directly and indirectly, precipitating ocular surface diseases and/or symptoms, including trachoma. Humidity is negatively associated with dry eye disease. There is little data on wind speed and dewpoint. High altitude and ultraviolet light exposure are associated with pterygium, ocular surface degenerations and neoplastic disease. Pollution is associated with dry eye disease and conjunctivitis. Primary Sjögren syndrome is associated with exposure to chemical solvents. Living within a potential zone of active volcanic eruption is associated with eye irritation. Indoor pollution, "sick" building or house can also be associated with eye irritation. Most ocular surface conditions are multifactorial, and several environmental factors may contribute to specific diseases. A systematic review was conducted to answer the following research question: "What are the associations between outdoor environment pollution and signs or symptoms of dry eye disease in humans?" Dry eye disease is associated with air pollution (from NO2) and soil pollution (from chromium), but not from air pollution from CO or PM10. Future research should adequately account for confounders, follow up over time, and report results separately for ocular surface findings, including signs and symptoms.
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Affiliation(s)
- Monica Alves
- Department of Ophthalmology and Otorhinolaryngology, University of Campinas Campinas, Brazil.
| | - Penny Asbell
- Department of Bioengineering, University of Memphis, Memphis, USA
| | - Murat Dogru
- School of Optometry and Vision Science, UNSW, Sydney, NSW, Australia
| | - Giuseppe Giannaccare
- Department of Ophthalmology, University Magna Graecia of Catanzaro, Cantanzaro, Italy
| | - Arturo Grau
- Department of Ophthalmology, Pontifical Catholic University of Chile, Santiago, Chile
| | - Darren Gregory
- Department of Ophthalmology, University of Colorado School of Medicine, Aurora, USA
| | - Dong Hyun Kim
- Department of Ophthalmology, Korea University College of Medicine, Seoul, South Korea
| | | | - William Ngo
- School of Optometry & Vision Science, University of Waterloo, Waterloo, Canada
| | - Anna Nowinska
- Clinical Department of Ophthalmology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, Katowice, Poland
| | - Ian J Saldanha
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Edoardo Villani
- Department of Clinical Sciences and Community Health, University of Milan, Eye Clinic, San Giuseppe Hospital, IRCCS Multimedica, Milan, Italy
| | - Tais Hitomi Wakamatsu
- Department of Ophthalmology and Visual Sciences, Paulista School of Medicine, São Paulo Hospital, Federal University of São Paulo, Brazil
| | - Mitasha Yu
- Sensory Functions, Disability and Rehabilitation Unit, World Health Organization, Geneva, Switzerland
| | - Fiona Stapleton
- School of Optometry and Vision Science, UNSW, Sydney, NSW, Australia
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8
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Kumah E, Bibee K. Modelling cutaneous squamous cell carcinoma for laboratory research. Exp Dermatol 2023; 32:117-125. [PMID: 36373888 DOI: 10.1111/exd.14706] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 10/26/2022] [Accepted: 11/10/2022] [Indexed: 11/16/2022]
Abstract
Cutaneous squamous cell carcinoma (cSCC) leads to significant morbidity for patients with progression and metastases. However, the molecular underpinnings of these tumors are still poorly understood. Dissecting human cSCC pathogenesis amplifies the exigence for preclinical models that mimic invasion and nodal spread. This review discusses the currently available models, including two- and three-dimensional tissue cultures, syngeneic and transgenic mice, and cell line-derived and patient-derived xenografts. We further highlight studies that have utilized the different models, considering how they recapitulate specific hallmarks of cSCC. Finally, we discuss the advantages, limitations and future research directions.
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Affiliation(s)
- Edwin Kumah
- Department of Biochemistry and Molecular Biology, Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Kristin Bibee
- Transplant Dermatology, Micrographic Surgery and Dermatology Oncology, Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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9
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Jia Y, Mao Q, Yang J, Du N, Zhu Y, Min W. (-)-Epigallocatechin-3-Gallate Protects Human Skin Fibroblasts from Ultraviolet a Induced Photoaging. Clin Cosmet Investig Dermatol 2023; 16:149-159. [PMID: 36704608 PMCID: PMC9871046 DOI: 10.2147/ccid.s398547] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 01/10/2023] [Indexed: 01/19/2023]
Abstract
Background Ultraviolet (UV) is a common stressor of skin and repeated UVA radiation contributes to photoaging. (-)-Epigallocatechin-3-Gallate (EGCG), as the major polyphenol that is found in green tea, and catechins and have shown considerable antioxidant capacity. Purpose Our study aims to explore the effects of EGCG on UVA-induced skin photoaging process and associated mechanisms. Methods In this study, human skin fibroblasts (HSFs) were treated with UVA and EGCG, and subsequent changes in cell morphology, telomeres, antioxidant capacity, cell cycle, and related genes were evaluated to examine the role and mechanisms of EGCG in delaying skin photoaging. Results HSF exposed to UVA underwent an increase in aging-related biomarkers and telomere shortening. Also, UVA radiation inhibited the secretion of transforming growth factor-beta1 (TGF-β1), induced cell cycle arrest, down-regulated antioxidant enzymes, and promoted the accumulation of oxidative product malondialdehyde (MDA) to cause further damage to cells. Increased expression of matrix metalloproteinases (MMPs), tissue inhibitor of metalloproteinase-1 (TIMP-1), p66 at mRNA levels were also observed after UVA irradiation. EGCG treatment effectively inhibited above damage processes caused by UVA radiation in HSF. Conclusion Our study indicated that the potential mechanism of EGCG retarding photoaging is closely related to its powerful antioxidant effects and the ability to regulate the expression of related genes, and the usage of EGCG will be a potential strategy in preventing skin photoaging induced by UVA radiation.
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Affiliation(s)
- Yuanyuan Jia
- First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, People’s Republic of China
| | - Qiuyu Mao
- First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, People’s Republic of China
| | - Jingyi Yang
- First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, People’s Republic of China
| | - Na Du
- First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, People’s Republic of China
| | - Yuan Zhu
- First People’s Hospital of Changshu City, Changshu Hospital Affiliated of Soochow University, Changshu, Jiangsu Province, People’s Republic of China
| | - Wei Min
- First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, People’s Republic of China,Correspondence: Wei Min, Email
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10
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Volarić J, Buter J, Schulte AM, van den Berg KO, Santamaría-Aranda E, Szymanski W, Feringa BL. Design and Synthesis of Visible-Light-Responsive Azobenzene Building Blocks for Chemical Biology. J Org Chem 2022; 87:14319-14333. [PMID: 36285612 PMCID: PMC9639001 DOI: 10.1021/acs.joc.2c01777] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Tetra-ortho-fluoro-azobenzenes are a class of photoswitches useful for the construction of visible-light-controlled molecular systems. They can be used to achieve spatio-temporal control over the properties of a chosen bioactive molecule. However, the introduction of different substituents to the tetra-fluoro-azobenzene core can significantly affect the photochemical properties of the switch and compromise biocompatibility. Herein, we explored the effect of useful substituents, such as functionalization points, attachment handles, and water-solubilizing groups, on the photochemical properties of this photochromic system. In general, all the tested fluorinated azobenzenes exhibited favorable photochemical properties, such as high photostationary state distribution and long half-lives, both in organic solvents and in water. One of the azobenzene building blocks was functionalized with a trehalose group to enable the uptake of the photoswitch into mycobacteria. Following metabolic uptake and incorporation of the trehalose-based azobenzene in the mycobacterial cell wall, we demonstrated photoswitching of the azobenzene in the isolated total lipid extract.
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Affiliation(s)
- Jana Volarić
- Stratingh
Institute for Chemistry, University of Groningen, 9747 AG Groningen, The Netherlands
| | - Jeffrey Buter
- Stratingh
Institute for Chemistry, University of Groningen, 9747 AG Groningen, The Netherlands
| | - Albert M. Schulte
- Stratingh
Institute for Chemistry, University of Groningen, 9747 AG Groningen, The Netherlands
| | | | - Eduardo Santamaría-Aranda
- Stratingh
Institute for Chemistry, University of Groningen, 9747 AG Groningen, The Netherlands,Departamento
de Química, Universidad de la Rioja, Centro de investigación en Síntesis Química, Madre de Dios 53, 26006 Logroño, Spain
| | - Wiktor Szymanski
- Stratingh
Institute for Chemistry, University of Groningen, 9747 AG Groningen, The Netherlands,Department
of Radiology, Medical Imaging, Center, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands,
| | - Ben L. Feringa
- Stratingh
Institute for Chemistry, University of Groningen, 9747 AG Groningen, The Netherlands,
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11
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Hansda S, Ghosh G, Ghosh R. The Role of Bystander Effect in Ultraviolet A Induced Photoaging. Cell Biochem Biophys 2022; 80:657-664. [PMID: 36190618 DOI: 10.1007/s12013-022-01099-9] [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: 10/01/2021] [Accepted: 09/17/2022] [Indexed: 11/03/2022]
Abstract
Exposure to sunlight, mainly UVA, leads to typical changes in the features of the skin known as photoaging. UVA irradiation induces the expression of proteases that are responsible for the degradation of the extracellular matrix proteins to results in photoaging; it also downregulates the expression of proteins that are needed for the skin structure. Since, it is known that cells in the neighborhood of irradiated cells, but not directly exposed to it, often manifest responses like their irradiated counterparts, it is important to evaluate if these bystander cells too, can contribute to photoaging. UVA induced cell cycle arrest has been associated with photoaging, from flow cytometry analysis we found that there was an induction of cell cycle arrest at the G1/S phase in the UVA-bystander cells. The expression of some key photoaging marker genes likes, matrix metalloproteinases (MMP-1, MMP-3, MMP-9), cyclooxygenase-2 (COX-2), collagen1 and elastin were assessed from qRT-PCR. Up-regulation of MMP-1 and COX-2, downregulation of collagen1 and elastin, along with suppression below normal expression for MMP-3 and MMP-9 was observed in the UVA-bystander A375 cells. Our findings suggest that UVA-bystander cells may contribute to the process of photoaging.
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Affiliation(s)
- Surajit Hansda
- Department of Biochemistry & Biophysics, University of Kalyani, Kalyani, 741235, West Bengal, India
| | - Gargi Ghosh
- Department of Molecular Biology & Biotechnology, University of Kalyani, Kalyani, 741235, West Bengal, India
| | - Rita Ghosh
- Department of Biochemistry & Biophysics, University of Kalyani, Kalyani, 741235, West Bengal, India.
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12
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Ishimoto T, Mori H. Control of actin polymerization via reactive oxygen species generation using light or radiation. Front Cell Dev Biol 2022; 10:1014008. [PMID: 36211457 PMCID: PMC9538341 DOI: 10.3389/fcell.2022.1014008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 09/07/2022] [Indexed: 11/25/2022] Open
Abstract
Actin is one of the most prevalent proteins in cells, and its amino acid sequence is remarkably conserved from protozoa to humans. The polymerization-depolymerization cycle of actin immediately below the plasma membrane regulates cell function, motility, and morphology. It is known that actin and other actin-binding proteins are targets for reactive oxygen species (ROS), indicating that ROS affects cells through actin reorganization. Several researchers have attempted to control actin polymerization from outside the cell to mimic or inhibit actin reorganization. To modify the polymerization state of actin, ultraviolet, visible, and near-infrared light, ionizing radiation, and chromophore-assisted light inactivation have all been reported to induce ROS. Additionally, a combination of the fluorescent protein KillerRed and the luminescent protein luciferase can generate ROS on actin fibers and promote actin polymerization. These techniques are very useful tools for analyzing the relationship between ROS and cell function, movement, and morphology, and are also expected to be used in therapeutics. In this mini review, we offer an overview of the advancements in this field, with a particular focus on how to control intracellular actin polymerization using such optical approaches, and discuss future challenges.
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Affiliation(s)
- Tetsuya Ishimoto
- Department of Molecular Neuroscience, Faculty of Medicine, University of Toyama, Toyama, Japan
- Research Center for Idling Brain Science, University of Toyama, Toyama, Japan
- *Correspondence: Tetsuya Ishimoto,
| | - Hisashi Mori
- Department of Molecular Neuroscience, Faculty of Medicine, University of Toyama, Toyama, Japan
- Research Center for Idling Brain Science, University of Toyama, Toyama, Japan
- Research Center for Pre-Disease Science, University of Toyama, Toyama, Japan
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13
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Palewski M, Budnik A, Konopińska J. Evaluating the Efficacy and Safety of Different Pterygium Surgeries: A Review of the Literature. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:11357. [PMID: 36141628 PMCID: PMC9517485 DOI: 10.3390/ijerph191811357] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 08/23/2022] [Accepted: 09/06/2022] [Indexed: 06/16/2023]
Abstract
The search for the "gold standard" in the surgical treatment of pterygium has been ongoing for over two decades. Despite the development of various surgical techniques, recurrence rates range from 6.7% to 88% depending on the method used. This review discusses the latest and most commonly used methods for the surgical removal of pterygium, primarily focusing on efficacy and safety. Moreover, this review includes articles that either evaluated or compared surgical methods and clinical trials for primary and recurrent pterygium. Limited data are available on combined methods as well as on the efficacy of adjuvant treatment. The use of adjuvant intraoperative mitomycin C (MMC) and conjunctival autografting (CAU) are the two most highly recommended options, as they have the lowest rates of postoperative recurrence.
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14
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Volarić J, Thallmair S, Feringa BL, Szymanski W. Photoswitchable, Water‐soluble Bis‐azobenzene Cross‐linkers with Enhanced Properties for Biological Applications. CHEMPHOTOCHEM 2022. [DOI: 10.1002/cptc.202200170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Jana Volarić
- University of Groningen: Rijksuniversiteit Groningen Stratingh Institute for Chemistry NETHERLANDS
| | - Sebastian Thallmair
- Frankfurt Institute for Advanced Studies Frankfurt Institute for Advanced Studies GERMANY
| | - Ben L. Feringa
- University of Groningen: Rijksuniversiteit Groningen Stratingh Institute for Chemistry NETHERLANDS
| | - Wiktor Szymanski
- University Medical Center Groningen Department of Radiology Hanzeplein 1 9747AG Groningen NETHERLANDS
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15
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Liu Y, Liu Y, Deng J, Wu X, He W, Mu X, Nie X. Molecular mechanisms of Marine-Derived Natural Compounds as photoprotective strategies. Int Immunopharmacol 2022; 111:109174. [PMID: 35998505 DOI: 10.1016/j.intimp.2022.109174] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 08/02/2022] [Accepted: 08/14/2022] [Indexed: 11/16/2022]
Abstract
Excessive exposure of the skin to ultraviolet radiation (UVR) causes oxidative stress, inflammation, immunosuppression, apoptosis, and changes in the extracellular matrix, which lead to the development of photoaging and photodamage of skin. At the molecular level, these pathological changes are mainly caused by the activation of related protein kinases and downstream transcription pathways, the increase of matrix metalloproteinase, the formation of reactive oxygen species, and the combined action of cytokines and inflammatory mediators. At present, the photostability, toxicity, and damage to marine ecosystems of most sun protection products in the market have affected their efficacy and safety. Another way is to use natural products produced by various marine species. Marine organisms have evolved a variety of molecular strategies to protect themselves from the harmful effects of ultraviolet radiation, and their unique chemicals have attracted more and more attention in the research of photoprotection and photoaging resistance. This article provides an extensive description of the recent literature on the potential of Marine-Derived Natural Compounds (MDNCs) as photoprotective and photoprotective agents. It reviews the positive effects of MDNCs in counteracting UV-induced oxidative stress, inflammation, DNA damage, apoptosis, immunosuppression, and extracellular matrix degradation. Some MDNCs have the potential to develop feasible solutions for related phenomena, such as photoaging and photodamage caused by UVR.
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Affiliation(s)
- Yiqiu Liu
- Key Lab of the Basic Pharmacology of the Ministry of Education, Zunyi Medical University, Zunyi 563006, China
| | - Ye Liu
- Key Lab of the Basic Pharmacology of the Ministry of Education, Zunyi Medical University, Zunyi 563006, China
| | - Junyu Deng
- Key Lab of the Basic Pharmacology of the Ministry of Education, Zunyi Medical University, Zunyi 563006, China
| | - Xingqian Wu
- Key Lab of the Basic Pharmacology of the Ministry of Education, Zunyi Medical University, Zunyi 563006, China; Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563006, China
| | - Wenjie He
- Key Lab of the Basic Pharmacology of the Ministry of Education, Zunyi Medical University, Zunyi 563006, China; Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563006, China
| | - Xingrui Mu
- Key Lab of the Basic Pharmacology of the Ministry of Education, Zunyi Medical University, Zunyi 563006, China; Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563006, China
| | - Xuqiang Nie
- Key Lab of the Basic Pharmacology of the Ministry of Education, Zunyi Medical University, Zunyi 563006, China; Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563006, China; College of Pharmacy, Zunyi Medical University, Zunyi 563006, China.
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16
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Evaluation of the Efficacy of Different Pterygium Surgeries in Polish Caucasian Population. J Ophthalmol 2022; 2022:1641350. [PMID: 35462617 PMCID: PMC9033351 DOI: 10.1155/2022/1641350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 04/08/2022] [Indexed: 11/18/2022] Open
Abstract
The aim of the study was to compare the efficacy of the two most commonly used surgical methods for pterygium removal in the Polish population, conjunctival autograft versus amniotic membrane transplantation, and to evaluate the postoperative recurrence rate. A retrospective analysis of the medical records was conducted, including 65 patients who underwent surgery for primary or recurrent pterygium at an ophthalmology clinic in Bialystok, Poland, between 2016 and 2020. Surgical success (no regrowth) was achieved in almost half of the amniotic membrane patients (44%) and in most of the conjunctival autograft patients (79%), with statistical significance. The odds of successful surgery were 79% lower for subjects with amniotic membranes than for those with conjunctival autografts (OR with 95% CI = 0.21 (0.05; 0.94);
). Our study confirms that the conjunctival autograft surgeries present more favorable success rates in Polish Caucasian population when compared to procedures involving amniotic membranes.
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17
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Investigation of the HelioVital filter foil revealed protective effects against UVA1 irradiation-induced DNA damage and against UVA1-induced expression of matrixmetalloproteinases (MMP) MMP1, MMP2, MMP3 and MMP15. Photochem Photobiol Sci 2022; 21:361-372. [PMID: 35174452 DOI: 10.1007/s43630-022-00177-4] [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: 12/14/2021] [Accepted: 01/21/2022] [Indexed: 10/19/2022]
Abstract
The damaging effects of solar ultraviolet (UV) radiation exposure to human skin are well known and can reach from accelerated skin aging (photoaging) to skin cancer. Much of the damaging effects of solar UVA (320-400 nm) radiation is associated with the induction of reactive oxygen species (ROS), which are capable to cause oxidative damage to DNA like the oxidized guanosine 8-hydroxy-2' -deoxyguanosine (8-OHdG). Therefore, new UV protective strategies, have to be tested for their efficiency to shield against UV induced damage. We investigated the protective effects of HelioVital sun protection filter foil against UVA1 irradiation in skin cells. It could be shown, that HelioVital sun protection filter foil has protective effects against UVA1 irradiation induced changes in matrix metalloproteinase (MMP) expression. Furthermore a UVA1-dependant regulation of MMP15 in human fibroblasts could be shown for the first time in this context. In addition, this study demonstrated the protective effect of the HelioVital filter film against UVA1-induced ROS production and DNA damage. These results could pave the way for clinical studies with HelioVital filter foil shielding against the damaging effects of phototherapy and other forms of irradiation therapy, thereby increasing the safety and treatment opportunities of these forms of therapy.
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18
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The p38 MAPK Components and Modulators as Biomarkers and Molecular Targets in Cancer. Int J Mol Sci 2021; 23:ijms23010370. [PMID: 35008796 PMCID: PMC8745478 DOI: 10.3390/ijms23010370] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 12/27/2021] [Accepted: 12/27/2021] [Indexed: 02/07/2023] Open
Abstract
The mitogen-activated protein kinase (MAPK) family is an important bridge in the transduction of extracellular and intracellular signals in different responses at the cellular level. Within this MAPK family, the p38 kinases can be found altered in various diseases, including cancer, where these kinases play a fundamental role, sometimes with antagonistic mechanisms of action, depending on several factors. In fact, this family has an immense number of functionalities, many of them yet to be discovered in terms of regulation and action in different types of cancer, being directly involved in the response to cancer therapies. To date, three main groups of MAPKs have been identified in mammals: the extracellular signal-regulated kinases (ERK), Jun N-terminal kinase (JNK), and the different isoforms of p38 (α, β, γ, δ). In this review, we highlight the mechanism of action of these kinases, taking into account their extensive regulation at the cellular level through various modifications and modulations, including a wide variety of microRNAs. We also analyze the importance of the different isoforms expressed in the different tissues and their possible role as biomarkers and molecular targets. In addition, we include the latest preclinical and clinical trials with different p38-related drugs that are ongoing with hopeful expectations in the present/future of developing precision medicine in cancer.
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19
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Pop TD, Diaconeasa Z. Recent Advances in Phenolic Metabolites and Skin Cancer. Int J Mol Sci 2021; 22:9707. [PMID: 34575899 PMCID: PMC8471058 DOI: 10.3390/ijms22189707] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 08/30/2021] [Accepted: 09/03/2021] [Indexed: 12/16/2022] Open
Abstract
Skin cancer represents any tumor development from the cutaneous structures within the epidermis, dermis or subcutaneous tissue, and is considered to be the most prevalent type of cancer. Compared to other types of cancer, skin cancer is proven to have a positive growth rate of prevalence and mortality. There are available various treatments, including chemotherapy, immunotherapy, radiotherapy and targeted therapy, but because of the multidrug resistance development, a low success has been registered. By this, the importance of studying naturally occurring compounds that are both safe and effective in the chemoprevention of skin cancer is emphasized. This review focuses on melanoma because it is the deadliest form of skin cancer, with a significantly increasing incidence in the last decades. As chemopreventive agents, we present polyphenols and their antioxidant activity, anti-inflammatory effect, their ability to balance the cell cycle and to induce apoptosis and their various other effects on skin melanoma. Besides chemoprevention, studies suggest that polyphenols can have treating abilities in some conditions. The limitations of using polyphenols are also pointed out, which are related to their poor bioavailability and stability, but as the technology is well developed, it is possible to augment the efficacy of polyphenols in the case of melanoma.
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Affiliation(s)
| | - Zorita Diaconeasa
- Faculty of Food Science and Technology, University of Agricultural Science and Veterinary Medicine Cluj-Napoca, Calea Mănăștur 3-5, 400372 Cluj-Napoca, Romania;
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20
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Xian D, Guo M, Xu J, Yang Y, Zhao Y, Zhong J. Current evidence to support the therapeutic potential of flavonoids in oxidative stress-related dermatoses. Redox Rep 2021; 26:134-146. [PMID: 34355664 PMCID: PMC8354022 DOI: 10.1080/13510002.2021.1962094] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Skin, as a crucial external defense organ, is more vulnerable to oxidative stress (OS) insult, reactive oxygen species (ROS)-mediated OS in particular. OS results from a redox imbalance caused by various extrinsic stimuli and occurs once the oxidants production overwhelming the antioxidants capacity, through mediating in DNA damage, lipid peroxidation (LPO), protein oxidation and a serial of signaling pathways activation/inactivation, thereby offering favorable conditions for the occurrence and development of numerous diseases especially some dermatoses, e.g. psoriasis, vitiligo, skin photodamage, skin cancer, systemic sclerosis (SSc), chloasma, atopic dermatitis (AD), pemphigus, etc. Targeting OS molecular mechanism, a variety of anti-OS agents emerge, in which flavonoids, natural plant extracts, stand out. OBJECTIVES To discuss the possible mechanisms of OS mediating in dermatoses and summarize the properties of flavonoids as well as their applications in OS-related skin disorders. METHODS Published papers on flavonoids and OS-related skin diseases were collected and reviewed via database searching on PubMed, MEDLINE and Embase, etc. RESULTS It has been confirmed that flavonoids, belonging to polyphenols, are a class of plant secondary metabolites widely distributed in various plants and possess diverse bioactivities especially their potent antioxidant capacity. Moreover, flavonoids benefit to suppress OS via eliminating free radicals and mediating the corresponding signals, further excellently working in the prevention and management of OS-related skin diseases. CONCLUSION Flavonoids have the potential therapeutic effects on oxidative stress-related dermatoses. However, more studies on specific mechanism as well as the dosage of flavonoids are needed in future.
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Affiliation(s)
- Dehai Xian
- Department of Anatomy, Southwest Medical University, Luzhou, People's Republic of China
| | - Menglu Guo
- Department of Dermatology, Affiliated Hospital of Southwest Medical University, Luzhou, People's Republic of China
| | - Jixiang Xu
- Department of Dermatology, Affiliated Hospital of Southwest Medical University, Luzhou, People's Republic of China
| | - Yang Yang
- Department of Dermatology, Affiliated Hospital of Southwest Medical University, Luzhou, People's Republic of China
| | - Yangmeng Zhao
- Department of Dermatology, Affiliated Hospital of Southwest Medical University, Luzhou, People's Republic of China
| | - Jianqiao Zhong
- Department of Dermatology, Affiliated Hospital of Southwest Medical University, Luzhou, People's Republic of China
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21
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Manganelli M, Guida S, Ferretta A, Pellacani G, Porcelli L, Azzariti A, Guida G. Behind the Scene: Exploiting MC1R in Skin Cancer Risk and Prevention. Genes (Basel) 2021; 12:1093. [PMID: 34356109 PMCID: PMC8305013 DOI: 10.3390/genes12071093] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 07/14/2021] [Accepted: 07/16/2021] [Indexed: 02/06/2023] Open
Abstract
Melanoma and non-melanoma skin cancers (NMSCs) are the most frequent cancers of the skin in white populations. An increased risk in the development of skin cancers has been associated with the combination of several environmental factors (i.e., ultraviolet exposure) and genetic background, including melanocortin-1 receptor (MC1R) status. In the last few years, advances in the diagnosis of skin cancers provided a great impact on clinical practice. Despite these advances, NMSCs are still the most common malignancy in humans and melanoma still shows a rising incidence and a poor prognosis when diagnosed at an advanced stage. Efforts are required to underlie the genetic and clinical heterogeneity of melanoma and NMSCs, leading to an optimization of the management of affected patients. The clinical implications of the impact of germline MC1R variants in melanoma and NMSCs' risk, together with the additional risk conferred by somatic mutations in other peculiar genes, as well as the role of MC1R screening in skin cancers' prevention will be addressed in the current review.
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Affiliation(s)
- Michele Manganelli
- Department of Basic Medical Sciences, Neurosciences and Sense Organs, University of Bari-“Aldo Moro”, 70125 Bari, Italy; (M.M.); (A.F.)
- DMMT-Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy
| | - Stefania Guida
- Department of Surgical-Medical-Dental and Morphological Science with Interest Transplant-Oncological and Regenerative Medicine, University of Modena and Reggio Emilia, 41124 Modena, Italy;
| | - Anna Ferretta
- Department of Basic Medical Sciences, Neurosciences and Sense Organs, University of Bari-“Aldo Moro”, 70125 Bari, Italy; (M.M.); (A.F.)
| | - Giovanni Pellacani
- Department of Clinical Internal, Anesthesiological and Cardiovascular Sciences, Dermatology Clinic, Sapienza University of Rome, 00161 Rome, Italy;
| | - Letizia Porcelli
- Laboratory of Experimental Pharmacology, IRCCS Istituto Tumori Giovanni Paolo II, 70124 Bari, Italy; (L.P.); (A.A.)
| | - Amalia Azzariti
- Laboratory of Experimental Pharmacology, IRCCS Istituto Tumori Giovanni Paolo II, 70124 Bari, Italy; (L.P.); (A.A.)
| | - Gabriella Guida
- Department of Basic Medical Sciences, Neurosciences and Sense Organs, University of Bari-“Aldo Moro”, 70125 Bari, Italy; (M.M.); (A.F.)
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22
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Thet Z, Lam AK, Ranganathan D, Aung SY, Han T, Khoo TK. Reducing non-melanoma skin cancer risk in renal transplant recipients. Nephrology (Carlton) 2021; 26:907-919. [PMID: 34240786 DOI: 10.1111/nep.13939] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 06/11/2021] [Accepted: 07/05/2021] [Indexed: 12/19/2022]
Abstract
With an increasing number of renal transplant recipients (RTRs) and improving patient survival, a higher incidence of non-melanoma skin cancer (NMSC) has been observed. NMSC in RTRs are often more numerous and biologically more aggressive than the general population, thus contributing towards an increase in morbidity and to a lesser degree, mortality. The resultant cumulative health and financial burden is a recognized concern. Proposed strategies in mitigating risks of developing NMSC and early therapeutic options thereof include tailored modification of immunosuppressants in conjunction with sun protection in all transplant patients. This review highlights the clinical and financial burden of transplant-associated skin cancers, carcinogenic mechanisms in association with immunosuppression, importance of skin cancer awareness campaign and integrated transplant skin clinic, and the potential role of chemoprotective agents. A scheme is proposed for primary and secondary prevention of NMSC based on the available evidence.
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Affiliation(s)
- Zaw Thet
- School of Medicine & Dentistry, Griffith University, Gold Coast, Queensland, Australia.,Department of Nephrology, Central Queensland Hospital and Health Service, Rockhampton, Queensland, Australia
| | - Alfred K Lam
- School of Medicine & Dentistry, Griffith University, Gold Coast, Queensland, Australia.,Faculty of Medicine, University of Queensland, Brisbane, Queensland, Australia.,Pathology Queensland, Gold Coast University Hospital, Southport, Queensland, Australia
| | - Dwarakanathan Ranganathan
- School of Medicine & Dentistry, Griffith University, Gold Coast, Queensland, Australia.,Department of Nephrology, Metro North Hospital and Health Service, Herston, Queensland, Australia
| | - Soe Yu Aung
- Faculty of Medicine, University of Queensland, Brisbane, Queensland, Australia.,Department of Oncology, Central Queensland Hospital and Health Service, Rockhampton, Queensland, Australia
| | - Thin Han
- Department of Nephrology, Central Queensland Hospital and Health Service, Rockhampton, Queensland, Australia.,Faculty of Medicine, University of Queensland, Brisbane, Queensland, Australia
| | - Tien K Khoo
- School of Medicine & Dentistry, Griffith University, Gold Coast, Queensland, Australia.,School of Medicine, University of Wollongong, Wollongong, New South Wales, Australia
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23
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Mapoung S, Semmarath W, Arjsri P, Umsumarng S, Srisawad K, Thippraphan P, Yodkeeree S, Limtrakul (Dejkriengkraikul) P. Determination of Phenolic Content, Antioxidant Activity, and Tyrosinase Inhibitory Effects of Functional Cosmetic Creams Available on the Thailand Market. PLANTS (BASEL, SWITZERLAND) 2021; 10:1383. [PMID: 34371586 PMCID: PMC8309239 DOI: 10.3390/plants10071383] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/02/2021] [Accepted: 07/04/2021] [Indexed: 12/29/2022]
Abstract
Recently, the global trend toward the use of natural extracts and antioxidant agents in the cosmetic cream industry to produce whitening effects has been increasing. This has also been a persistent trend in Thailand. In this study, samples of commercial cosmetic creams on the Thai market were assessed for a functional evaluation of their antioxidant activity, tyrosinase inhibitory effects, and phenolic contents. Samples were extracted using hot water and sonication extraction method to obtain the functional cream extracts. Total phenolic contents in all samples were within the range of 0.46-47.92 mg GAE/30 g cream. Antioxidant activities of the cream extracts were within the range of 3.61-43.98 mg Trolox equivalent/30 g cream, while tyrosinase inhibition activities were within the range of 2.58-97.94% of inhibition. With regard to the relationship between the total phenolic content and the antioxidant activity of the cosmetic creams, Pearson's correlation coefficient revealed a moderately positive relationship with an r value of 0.6108. Furthermore, the relationship between the antioxidant activity and the tyrosinase inhibitory activity of the cosmetic creams was highly positive with an r value of 0.7238. Overall, this study demonstrated that the total phenolic contents in the functional cosmetic creams could play a role in antioxidant activity and anti-tyrosinase activities. The findings indicate how the whitening and antioxidant effects of cosmetic creams could be maintained after the products have been formulated, as this concern can affect the consumer's decision when purchasing cosmetic products.
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Affiliation(s)
- Sariya Mapoung
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; (S.M.); (W.S.); (P.A.); (K.S.); (P.T.); (S.Y.)
- Center for Research and Development of Natural Products for Health, Chiang Mai University, Chiang Mai 50200, Thailand;
| | - Warathit Semmarath
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; (S.M.); (W.S.); (P.A.); (K.S.); (P.T.); (S.Y.)
| | - Punnida Arjsri
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; (S.M.); (W.S.); (P.A.); (K.S.); (P.T.); (S.Y.)
| | - Sonthaya Umsumarng
- Center for Research and Development of Natural Products for Health, Chiang Mai University, Chiang Mai 50200, Thailand;
- Department of Veterinary Biosciences and Veterinary Public Health, Division of Veterinary Preclinical Sciences, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Kamonwan Srisawad
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; (S.M.); (W.S.); (P.A.); (K.S.); (P.T.); (S.Y.)
| | - Pilaiporn Thippraphan
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; (S.M.); (W.S.); (P.A.); (K.S.); (P.T.); (S.Y.)
| | - Supachai Yodkeeree
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; (S.M.); (W.S.); (P.A.); (K.S.); (P.T.); (S.Y.)
- Center for Research and Development of Natural Products for Health, Chiang Mai University, Chiang Mai 50200, Thailand;
| | - Pornngarm Limtrakul (Dejkriengkraikul)
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; (S.M.); (W.S.); (P.A.); (K.S.); (P.T.); (S.Y.)
- Center for Research and Development of Natural Products for Health, Chiang Mai University, Chiang Mai 50200, Thailand;
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24
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Nie C, Liu C, Sun S, Wu S. Visible‐Light‐Controlled Azobenzene‐Cyclodextrin Host‐Guest Interactions for Biomedical Applications and Surface Functionalization. CHEMPHOTOCHEM 2021. [DOI: 10.1002/cptc.202100085] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Chen Nie
- CAS Key Laboratory of Soft Matter Chemistry Hefei National Laboratory for Physical Sciences at the Microscale Anhui Key Laboratory of Optoelectronic Science and Technology Department of Polymer Science and Engineering University of Science and Technology of China Hefei 230026 China
| | - Chengwei Liu
- CAS Key Laboratory of Soft Matter Chemistry Hefei National Laboratory for Physical Sciences at the Microscale Anhui Key Laboratory of Optoelectronic Science and Technology Department of Polymer Science and Engineering University of Science and Technology of China Hefei 230026 China
| | - Shaodong Sun
- CAS Key Laboratory of Soft Matter Chemistry Hefei National Laboratory for Physical Sciences at the Microscale Anhui Key Laboratory of Optoelectronic Science and Technology Department of Polymer Science and Engineering University of Science and Technology of China Hefei 230026 China
| | - Si Wu
- CAS Key Laboratory of Soft Matter Chemistry Hefei National Laboratory for Physical Sciences at the Microscale Anhui Key Laboratory of Optoelectronic Science and Technology Department of Polymer Science and Engineering University of Science and Technology of China Hefei 230026 China
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Tampa M, Georgescu SR, Mitran MI, Mitran CI, Matei C, Caruntu A, Scheau C, Nicolae I, Matei A, Caruntu C, Constantin C, Neagu M. Current Perspectives on the Role of Matrix Metalloproteinases in the Pathogenesis of Basal Cell Carcinoma. Biomolecules 2021; 11:biom11060903. [PMID: 34204372 PMCID: PMC8235174 DOI: 10.3390/biom11060903] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 06/12/2021] [Accepted: 06/15/2021] [Indexed: 12/12/2022] Open
Abstract
Basal cell carcinoma (BCC) is the most common skin malignancy, which rarely metastasizes but has a great ability to infiltrate and invade the surrounding tissues. One of the molecular players involved in the metastatic process are matrix metalloproteinases (MMPs). MMPs are enzymes that can degrade various components of the extracellular matrix. In the skin, the expression of MMPs is increased in response to various stimuli, including ultraviolet (UV) radiation, one of the main factors involved in the development of BCC. By modulating various processes that are linked to tumor growth, such as invasion and angiogenesis, MMPs have been associated with UV-related carcinogenesis. The sources of MMPs are multiple, as they can be released by both neoplastic and tumor microenvironment cells. Inhibiting the action of MMPs could be a useful therapeutic option in BCC management. In this review that reunites the latest advances in this domain, we discuss the role of MMPs in the pathogenesis and evolution of BCC, as molecules involved in tumor aggressiveness and risk of recurrence, in order to offer a fresh and updated perspective on this field.
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Affiliation(s)
- Mircea Tampa
- Department of Dermatology, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania; (M.T.); (C.M.)
- Department of Dermatology, Victor Babes Clinical Hospital for Infectious Diseases, 030303 Bucharest, Romania;
| | - Simona Roxana Georgescu
- Department of Dermatology, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania; (M.T.); (C.M.)
- Department of Dermatology, Victor Babes Clinical Hospital for Infectious Diseases, 030303 Bucharest, Romania;
- Correspondence: (S.R.G.); (A.C.)
| | - Madalina Irina Mitran
- Department of Microbiology, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania; (M.I.M.); (C.I.M.)
| | - Cristina Iulia Mitran
- Department of Microbiology, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania; (M.I.M.); (C.I.M.)
| | - Clara Matei
- Department of Dermatology, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania; (M.T.); (C.M.)
| | - Ana Caruntu
- Department of Oral and Maxillofacial Surgery, “Carol Davila” Central Military Emergency Hospital, 010825 Bucharest, Romania
- Faculty of Dental Medicine, Titu Maiorescu University, 031593 Bucharest, Romania
- Correspondence: (S.R.G.); (A.C.)
| | - Cristian Scheau
- Department of Physiology, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania; (C.S.); (A.M.); (C.C.)
| | - Ilinca Nicolae
- Department of Dermatology, Victor Babes Clinical Hospital for Infectious Diseases, 030303 Bucharest, Romania;
| | - Andreea Matei
- Department of Physiology, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania; (C.S.); (A.M.); (C.C.)
| | - Constantin Caruntu
- Department of Physiology, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania; (C.S.); (A.M.); (C.C.)
- Department of Dermatology, Prof. N.C. Paulescu National Institute of Diabetes, Nutrition and Metabolic Diseases, 011233 Bucharest, Romania
| | - Carolina Constantin
- Immunology Department, Victor Babes National Institute of Pathology, 050096 Bucharest, Romania; (C.C.); (M.N.)
- Department of Pathology, Colentina University Hospital, Bucharest 020125, Romania
| | - Monica Neagu
- Immunology Department, Victor Babes National Institute of Pathology, 050096 Bucharest, Romania; (C.C.); (M.N.)
- Department of Pathology, Colentina University Hospital, Bucharest 020125, Romania
- Faculty of Biology, University of Bucharest, Bucharest 76201, Romania
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Shahraki T, Arabi A, Feizi S. Pterygium: an update on pathophysiology, clinical features, and management. Ther Adv Ophthalmol 2021; 13:25158414211020152. [PMID: 34104871 PMCID: PMC8170279 DOI: 10.1177/25158414211020152] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 05/06/2021] [Indexed: 01/16/2023] Open
Abstract
Pterygium is a relatively common ocular surface disease. The clinical aspects and
the treatment options have been studied since many years ago, but many
uncertainties still exist. The core pathologic pathway and the role of heredity
in the development of pterygium are still attractive fields for the researchers.
The role of pterygium in corneal irregularities, in addition to the refractive
properties of pterygium removal, has been increasingly recognized through
numerous studies. The association between pterygium and ocular surface neoplasia
is challenging the traditional beliefs regarding the safe profile of the
disease. The need for a comprehensive clinical classification system has
encouraged homogenization of trials and prediction of the recurrence rate of the
pterygium following surgical removal. Evolving surgical methods have been
associated with some complications, whose diagnosis and management are necessary
for ophthalmic surgeons. According to the review, the main risk factor of
pterygium progression remains to be the ultraviolet exposure. A major part of
the clinical evaluation should consist of differentiating between typical and
atypical pterygia, where the latter may be associated with the risk of ocular
surface neoplasia. The effect of pterygium on astigmatism and the aberrations of
the cornea may evoke the need for an early removal with a purpose of reducing
secondary refractive error. Among the surgical methods, conjunctival or
conjunctival-limbal autografting seems to be the first choice for ophthalmic
surgeons because the recurrence rate following the procedure has been reported
to be lower, compared with other procedures. The use of adjuvant options is
supported in the literature, where intraoperative and postoperative mitomycin C
has been the adjuvant treatment of choice. The efficacy and safety of
anti–vascular endothelial growth factor agents and cyclosporine have been
postulated; however, their exact role in the treatment of the pterygium requires
further studies.
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Affiliation(s)
- Toktam Shahraki
- Ophthalmic Research Center, Department of Ophthalmology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Amir Arabi
- Ophthalmic Research Center, Department of Ophthalmology, Shahid Beheshti University of Medical Sciences, Tehran, 16666, Iran
| | - Sepehr Feizi
- Ophthalmic Research Center, Department of Ophthalmology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Bajgai J, Lee KJ, Rahman MH, Fadriquela A, Kim CS. Role of Molecular Hydrogen in Skin Diseases and its Impact in Beauty. Curr Pharm Des 2021; 27:737-746. [PMID: 32981497 DOI: 10.2174/1381612826666200925124235] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 08/16/2020] [Indexed: 11/22/2022]
Abstract
In today's society, healthy skin and a beautiful appearance are considered the foundation of general well-being. The skin is the largest organ of the body and plays an important role in protecting it against various hazards such as environmental, physical, chemical, and biological hazards. These factors include mediators that lead to oxidation reactions that produce reactive oxygen/nitrogen species and additional oxidants in the skin cells. An increase in oxidants beyond the antioxidant capacity of its defense system causes oxidative stress and chronic inflammation in the body. This response can cause further disruption of collagen fibers and hinder the functioning of skin cells that may result in the development of various skin diseases including psoriasis, atopic dermatitis, and aging. In this review, we summarized the present information related to the role of oxidative stress in the pathogenesis of dermatological disorders, and its impact on physical beauty and the daily lives of patients. We also discussed how molecular hydrogen exhibits a therapeutic effect against skin diseases via its effects on oxidative stress. Furthermore, findings from this summary review indicate that molecular hydrogen might be an effective treatment modality for the prevention and treatment of skin-related illnesses.
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Affiliation(s)
- Johny Bajgai
- Department of Environmental Medical Biology, Yonsei University Wonju College of Medicine, Wonju, Gangwon-do26426, Korea
| | - Kyu-Jae Lee
- Department of Environmental Medical Biology, Yonsei University Wonju College of Medicine, Wonju, Gangwon-do26426, Korea
| | - Md Habibur Rahman
- Department of Environmental Medical Biology, Yonsei University Wonju College of Medicine, Wonju, Gangwon-do26426, Korea
| | - Ailyn Fadriquela
- Department of Environmental Medical Biology, Yonsei University Wonju College of Medicine, Wonju, Gangwon-do26426, Korea
| | - Cheol-Su Kim
- Department of Environmental Medical Biology, Yonsei University Wonju College of Medicine, Wonju, Gangwon-do26426, Korea
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Ho CC, Ng SC, Chuang HL, Wen SY, Kuo CH, Mahalakshmi B, Huang CY, Kuo WW. Extracts of Jasminum sambac flowers fermented by Lactobacillus rhamnosus inhibit H 2 O 2 - and UVB-induced aging in human dermal fibroblasts. ENVIRONMENTAL TOXICOLOGY 2021; 36:607-619. [PMID: 33270331 DOI: 10.1002/tox.23065] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 11/15/2020] [Indexed: 06/12/2023]
Abstract
Ultraviolet (UV) irradiation is a crucial factor that leads to skin photoaging and results in increased DNA damage, oxidative stress, and collagen degradation. Jasmine flowers have been utilized as a traditional medicine in Asia to treat various diseases, including dermatitis, diarrhea, and fever. Furthermore, the fermented broth of Lactobacillus rhamnosus has been reported to exert protective effects on the skin. In the present study, jasmine flower extract was fermented with L. rhamnosus. We investigated the antioxidant and collagen-promoting effects on UVB/H2 O2 -induced HS68 dermal fibroblast cell damage. The results indicated that treatment with the fermented flower extracts of Jasminum sambac (F-FEJS) could enhance the viability of HS68 cells. Furthermore, the UVB/H2 O2 -induced excessive production of reactive oxygen species, degradation of collagen, activation of MAPKs, including P38, ERK, and JNK, and premature senescence were remarkably attenuated by F-FEJS in dermal fibroblast cells. The nuclear accumulation of p-c-jun, which is downstream of MAPK, and the inactivation of p-smad2/3, which is one of the crucial transcription factors that enhance collagen synthesis, were reversed in response to F-FEJS treatment in UVB/H2 O2 -exposed cells. Notably, the expression of antioxidant genes, such as HO-1, and the nuclear translocation of Nrf2 were further enhanced by F-FEJS in UVB/H2 O2 -treated cells. Interestingly, the F-FEJS-induced increase in ARE luciferase activity indicated the activation of Nrf2/ARE signaling. In conclusion, our findings demonstrated that F-FEJS can effectively ameliorate UVB/H2 O2 -induced dermal cell aging and may be considered a promising ingredient in skin aging therapy.
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Affiliation(s)
- Chih-Chu Ho
- Department of Biological Science and Technology, College of Biopharmaceutical and Food Sciences, China Medical University, Taichung, Taiwan
| | - Shang-Chuan Ng
- Department of Biological Science and Technology, College of Biopharmaceutical and Food Sciences, China Medical University, Taichung, Taiwan
| | - Ho-Lin Chuang
- Department of Biological Science and Technology, College of Biopharmaceutical and Food Sciences, China Medical University, Taichung, Taiwan
| | - Su-Ying Wen
- Department of Dermatology, Taipei City Hospital, Renai Branch, Taipei, Taiwan
- Department of Cosmetic Applications and Management, Mackay Junior College of Medicine, Nursing, and Management, Taipei, Taiwan
- Department of Health Care Management, National Taipei University of Nursing and Health Sciences, Taipei City, Taiwan
| | - Chia-Hua Kuo
- Department of Sports Sciences, University of Taipei, Taipei, Taiwan
| | - B Mahalakshmi
- Institute of Research and Development, Duy Tan University, Da Nang, Vietnam
| | - Chih-Yang Huang
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
- Cardiovascular and Mitochondrial Related Disease Research Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
- Center of General Education, Buddhist Tzu Chi Medical Foundation, Tzu Chi University of Science and Technology, Hualien, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
- Department of Biotechnology, Asia University, Taichung, Taiwan
| | - Wei-Wen Kuo
- Department of Biological Science and Technology, College of Biopharmaceutical and Food Sciences, China Medical University, Taichung, Taiwan
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Choe JH, Mazambani S, Kim TH, Kim JW. Oxidative Stress and the Intersection of Oncogenic Signaling and Metabolism in Squamous Cell Carcinomas. Cells 2021; 10:606. [PMID: 33803326 PMCID: PMC8000417 DOI: 10.3390/cells10030606] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 02/25/2021] [Accepted: 03/03/2021] [Indexed: 12/13/2022] Open
Abstract
Squamous cell carcinomas (SCCs) arise from both stratified squamous and non-squamous epithelium of diverse anatomical sites and collectively represent one of the most frequent solid tumors, accounting for more than one million cancer deaths annually. Despite this prevalence, SCC patients have not fully benefited from recent advances in molecularly targeted therapy or immunotherapy. Rather, decades old platinum-based or radiation regimens retaining limited specificity to the unique characteristics of SCC remain first-line treatment options. Historically, a lack of a consolidated perspective on genetic aberrations driving oncogenic transformation and other such factors essential for SCC pathogenesis and intrinsic confounding cellular heterogeneity in SCC have contributed to a critical dearth in effective and specific therapies. However, emerging evidence characterizing the distinct genomic, epigenetic, and metabolic landscapes of SCC may be elucidating unifying features in a seemingly heterogeneous disease. In this review, by describing distinct metabolic alterations and genetic drivers of SCC revealed by recent studies, we aim to establish a conceptual framework for a previously unappreciated network of oncogenic signaling, redox perturbation, and metabolic reprogramming that may reveal targetable vulnerabilities at their intersection.
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Affiliation(s)
- Joshua H. Choe
- Department of Biological Sciences, Columbia University, New York, NY 10027, USA
| | - Simbarashe Mazambani
- Department of Biological Sciences, The University of Texas at Dallas, Richardson, TX 75080, USA; (S.M.); (T.H.K.)
| | - Tae Hoon Kim
- Department of Biological Sciences, The University of Texas at Dallas, Richardson, TX 75080, USA; (S.M.); (T.H.K.)
| | - Jung-whan Kim
- Department of Biological Sciences, The University of Texas at Dallas, Richardson, TX 75080, USA; (S.M.); (T.H.K.)
- Research and Development, VeraVerse Inc., 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea
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Wang B, Wu L, Chen J, Dong L, Chen C, Wen Z, Hu J, Fleming I, Wang DW. Metabolism pathways of arachidonic acids: mechanisms and potential therapeutic targets. Signal Transduct Target Ther 2021; 6:94. [PMID: 33637672 PMCID: PMC7910446 DOI: 10.1038/s41392-020-00443-w] [Citation(s) in RCA: 379] [Impact Index Per Article: 126.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 10/04/2020] [Accepted: 10/15/2020] [Indexed: 01/31/2023] Open
Abstract
The arachidonic acid (AA) pathway plays a key role in cardiovascular biology, carcinogenesis, and many inflammatory diseases, such as asthma, arthritis, etc. Esterified AA on the inner surface of the cell membrane is hydrolyzed to its free form by phospholipase A2 (PLA2), which is in turn further metabolized by cyclooxygenases (COXs) and lipoxygenases (LOXs) and cytochrome P450 (CYP) enzymes to a spectrum of bioactive mediators that includes prostanoids, leukotrienes (LTs), epoxyeicosatrienoic acids (EETs), dihydroxyeicosatetraenoic acid (diHETEs), eicosatetraenoic acids (ETEs), and lipoxins (LXs). Many of the latter mediators are considered to be novel preventive and therapeutic targets for cardiovascular diseases (CVD), cancers, and inflammatory diseases. This review sets out to summarize the physiological and pathophysiological importance of the AA metabolizing pathways and outline the molecular mechanisms underlying the actions of AA related to its three main metabolic pathways in CVD and cancer progression will provide valuable insight for developing new therapeutic drugs for CVD and anti-cancer agents such as inhibitors of EETs or 2J2. Thus, we herein present a synopsis of AA metabolism in human health, cardiovascular and cancer biology, and the signaling pathways involved in these processes. To explore the role of the AA metabolism and potential therapies, we also introduce the current newly clinical studies targeting AA metabolisms in the different disease conditions.
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Affiliation(s)
- Bei Wang
- Division of Cardiology, Department of Internal Medicine and Gene Therapy Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Huazhong University of Science and Technology, Hubei Province, Wuhan, China
- Department of Rheumatology and Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei, Wuhan, China
| | - Lujin Wu
- Division of Cardiology, Department of Internal Medicine and Gene Therapy Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Huazhong University of Science and Technology, Hubei Province, Wuhan, China
| | - Jing Chen
- Division of Cardiology, Department of Internal Medicine and Gene Therapy Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Huazhong University of Science and Technology, Hubei Province, Wuhan, China
| | - Lingli Dong
- Department of Rheumatology and Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei, Wuhan, China
| | - Chen Chen
- Division of Cardiology, Department of Internal Medicine and Gene Therapy Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Huazhong University of Science and Technology, Hubei Province, Wuhan, China
| | - Zheng Wen
- Division of Cardiology, Department of Internal Medicine and Gene Therapy Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Huazhong University of Science and Technology, Hubei Province, Wuhan, China
| | - Jiong Hu
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe University, Frankfurt am Main, Germany
| | - Ingrid Fleming
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe University, Frankfurt am Main, Germany
| | - Dao Wen Wang
- Division of Cardiology, Department of Internal Medicine and Gene Therapy Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Huazhong University of Science and Technology, Hubei Province, Wuhan, China.
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Merkel cell polyomavirus small tumour antigen activates the p38 MAPK pathway to enhance cellular motility. Biochem J 2021; 477:2721-2733. [PMID: 32639530 PMCID: PMC7398664 DOI: 10.1042/bcj20200399] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 07/06/2020] [Accepted: 07/08/2020] [Indexed: 12/26/2022]
Abstract
Merkel cell carcinoma (MCC) is an aggressive skin cancer with high rates of recurrence and metastasis. Merkel cell polyomavirus (MCPyV) is associated with the majority of MCC cases. MCPyV-induced tumourigenesis is largely dependent on the expression of the small tumour antigen (ST). Recent findings implicate MCPyV ST expression in the highly metastatic nature of MCC by promoting cell motility and migration, through differential expression of cellular proteins that lead to microtubule destabilisation, filopodium formation and breakdown of cell-cell junctions. However, the molecular mechanisms which dysregulate these cellular processes are yet to be fully elucidated. Here, we demonstrate that MCPyV ST expression activates p38 MAPK signalling to drive cell migration and motility. Notably, MCPyV ST-mediated p38 MAPK signalling occurs through MKK4, as opposed to the canonical MKK3/6 signalling pathway. In addition, our results indicate that an interaction between MCPyV ST and the cellular phospatase subunit PP4C is essential for its effect on p38 MAPK signalling. These results provide novel opportunities for the treatment of metastatic MCC given the intense interest in p38 MAPK inhibitors as therapeutic agents.
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Philips N, Richardson R, Siomyk H, Bynum D, Gonzalez S. “Skin cancer, polyphenols, and oxidative stress” or Counteraction of oxidative stress, inflammation, signal transduction pathways, and extracellular matrix remodeling that mediate skin carcinogenesis by polyphenols. Cancer 2021. [DOI: 10.1016/b978-0-12-819547-5.00039-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Piipponen M, Nissinen L, Kähäri VM. Long non-coding RNAs in cutaneous biology and keratinocyte carcinomas. Cell Mol Life Sci 2020; 77:4601-4614. [PMID: 32462404 PMCID: PMC7599158 DOI: 10.1007/s00018-020-03554-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 04/29/2020] [Accepted: 05/15/2020] [Indexed: 12/12/2022]
Abstract
Long non-coding RNAs (lncRNAs) are a largely uncharacterized group of non-coding RNAs with diverse regulatory roles in various biological processes. Recent observations have elucidated the functional roles of lncRNAs in cutaneous biology, e.g. in proliferation and differentiation of epidermal keratinocytes and in cutaneous wound repair. Furthermore, the role of lncRNAs in keratinocyte-derived skin cancers is emerging, especially in cutaneous squamous cell carcinoma (cSCC), which presents a significant burden to health care services worldwide and causes high mortality as metastatic disease. Elucidation of the functions of keratinocyte-specific lncRNAs will improve understanding of the molecular pathogenesis of epidermal disorders and skin cancers and can be exploited in development of new diagnostic and therapeutic applications for keratinocyte carcinomas. In this review, we summarize the current evidence of functionally important lncRNAs in cutaneous biology and in keratinocyte carcinomas.
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Affiliation(s)
- Minna Piipponen
- Department of Dermatology, University of Turku and Turku University Hospital, Hämeentie 11 TE6, 20520, Turku, Finland
- Cancer Research Laboratory, Western Cancer Centre of the Cancer Center Finland (FICAN West), University of Turku and Turku University Hospital, Turku, Finland
| | - Liisa Nissinen
- Department of Dermatology, University of Turku and Turku University Hospital, Hämeentie 11 TE6, 20520, Turku, Finland
- Cancer Research Laboratory, Western Cancer Centre of the Cancer Center Finland (FICAN West), University of Turku and Turku University Hospital, Turku, Finland
| | - Veli-Matti Kähäri
- Department of Dermatology, University of Turku and Turku University Hospital, Hämeentie 11 TE6, 20520, Turku, Finland.
- Cancer Research Laboratory, Western Cancer Centre of the Cancer Center Finland (FICAN West), University of Turku and Turku University Hospital, Turku, Finland.
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Lu YS, Jiang Y, Yuan JP, Jiang SB, Yang Y, Zhu PY, Sun YZ, Qi RQ, Liu T, Wang HX, Wu Y, Gao XH, Chen HD. UVA Induced Oxidative Stress Was Inhibited by Paeoniflorin/Nrf2 Signaling or PLIN2. Front Pharmacol 2020; 11:736. [PMID: 32499710 PMCID: PMC7243259 DOI: 10.3389/fphar.2020.00736] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Accepted: 05/04/2020] [Indexed: 12/23/2022] Open
Abstract
Photodamages caused by UVA radiation induced oxidative injuries are closely related to photoaging and skin cancer. Paeoniflorin (PF), extracted from the root of Paeonia lactiflora, has been reported to be an effective antioxidant. PLIN2, known as adipose differentiation-related protein, has been previously involved in the regulation of oxidative stress. In this study, we were sought to investigate the photo-protective property of PF and PLIN2 in UVA-radiated human dermal fibroblasts (HDFs). HDFs were pre-treated with PF (800 μM) followed by UVA radiation (22.5 J/cm2). MTS activity, cell apoptosis, ROS, MDA, and SOD were detected, respectively. The expressions of Nrf2, HO-1, NQ-O1, and PLIN2 were determined using RT-qPCR or western blot. Nrf2 was silenced by siRNA, and PLIN2 was overexpressed via lentiviral transduction. Comparing to the UVA radiation, PF pre-treatment could prominently increase the MTS activity, decrease cell apoptosis, reduce the generations of ROS and MDA, increase the activity of SOD and increase the expression of Nrf2 and its target genes HO-1 and NQ-O1. When Nrf2 was knocked down, PF lost above protective properties. In addition, UVA induced oxidative stress led to upregulation of PLIN2 and the latter could be decreased by PF. Overexpression of PLIN2 improved MTS activity and reduced MDA level in HDFs. The combination of PLIN2 overexpression and PF pre-treatment corporately inhibited UVA-induced injury. Besides, we also found that PF and PLIN2 had a compensatory protection against UVA induced oxidative stress. In conclusion, our study demonstrated that UVA induced photodamages could be inhibited by PF via Nrf2/HO-1/NQ-O1 signaling pathway or by PLIN2, and the combination of PLIN2 overexpression and PF played additive effects against UVA-related oxidative stress.
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Affiliation(s)
- Yan-Song Lu
- Key Laboratory of Immunodermatology, Ministry of Education, Department of Dermatology, The First Hospital of China Medical University, Shenyang, China
| | - Yuan Jiang
- Department of Internal Medicine, School of Nursing, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Jin-Ping Yuan
- Key Laboratory of Immunodermatology, Ministry of Education, Department of Dermatology, The First Hospital of China Medical University, Shenyang, China
| | - Shi-Bin Jiang
- Key Laboratory of Immunodermatology, Ministry of Education, Department of Dermatology, The First Hospital of China Medical University, Shenyang, China
| | - Yang Yang
- Key Laboratory of Immunodermatology, Ministry of Education, Department of Dermatology, The First Hospital of China Medical University, Shenyang, China
| | - Pei-Yao Zhu
- Department of Thoracic Surgery, the First Hospital of China Medical University, Shenyang, China
| | - Yu-Zhe Sun
- Department of Dermatology, Dermatology Hospital of Southern Medical University, Guangzhou, China
| | - Rui-Qun Qi
- Key Laboratory of Immunodermatology, Ministry of Education, Department of Dermatology, The First Hospital of China Medical University, Shenyang, China
| | - Tao Liu
- Department of Urinary Surgery, the First Hospital of China Medical University, Shenyang, China
| | - He-Xiao Wang
- Key Laboratory of Immunodermatology, Ministry of Education, Department of Dermatology, The First Hospital of China Medical University, Shenyang, China
| | - Yan Wu
- Key Laboratory of Immunodermatology, Ministry of Education, Department of Dermatology, The First Hospital of China Medical University, Shenyang, China
| | - Xing-Hua Gao
- Key Laboratory of Immunodermatology, Ministry of Education, Department of Dermatology, The First Hospital of China Medical University, Shenyang, China
| | - Hong-Duo Chen
- Key Laboratory of Immunodermatology, Ministry of Education, Department of Dermatology, The First Hospital of China Medical University, Shenyang, China
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Gómez-García FJ, López López A, Guerrero-Sánchez Y, Sánchez Siles M, Martínez Díaz F, Camacho Alonso F. Chemopreventive effect of pomegranate and cocoa extracts on ultraviolet radiation-induced photocarcinogenesis in SKH-1 mice. PLoS One 2020; 15:e0232009. [PMID: 32353018 PMCID: PMC7192448 DOI: 10.1371/journal.pone.0232009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 04/05/2020] [Indexed: 02/06/2023] Open
Abstract
Non-melanoma skin cancer (NMSC) has a high and increasing incidence all over the world. Solar radiation is the main aetiology for humans. Although most research into photocarcinogenesis uses UVB as a source of radiation, UVA is also carcinogenic in long term. Pomegranate (PGE) and cocoa (CE) extracts have been used for medicinal purposes for time immemorial. Recently, it has been claimed that some of their properties may be an effective preventative measure against photocarcinogenesis and photoaging, but to date in vivo models have not been tested using RUVA, the objective of the present work. A lower incidence of lesions was observed in SKH-1 mice treated with PGE (p<0.001), and lower incidence of invasive squamous carcinoma in both treatment groups (p<0.001 for PGE and p<0.05 for CE); the PGE group also showed a lower level of cell proliferation than the control group (p<0.001). Significantly greater p53 alteration was observed in the control group than the treatment groups (p<0.001 for PGE and p = 0.05 for CE). No significant differences were found in relation to TIMP-1 and MMP-9. Taken together, the results suggest that oral feeding of PGE and CE to SKH-1 mice affords substantial protection against the adverse effects of RUVA, especially PGE.
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Affiliation(s)
- Francisco José Gómez-García
- Department of Dermatology, Stomatology, Radiology and Physic Medicine, Faculty of Medicine, Campus of Excellence Mare Nostrum, University of Murcia, Murcia, Spain
| | - Antonia López López
- Department of Dermatology, Stomatology, Radiology and Physic Medicine, Faculty of Medicine, Campus of Excellence Mare Nostrum, University of Murcia, Murcia, Spain
| | - Yolanda Guerrero-Sánchez
- Department of Dermatology, Stomatology, Radiology and Physic Medicine, Faculty of Medicine, Campus of Excellence Mare Nostrum, University of Murcia, Murcia, Spain
| | - Mariano Sánchez Siles
- Department of Dermatology, Stomatology, Radiology and Physic Medicine, Faculty of Medicine, Campus of Excellence Mare Nostrum, University of Murcia, Murcia, Spain
| | | | - Fabio Camacho Alonso
- Department of Dermatology, Stomatology, Radiology and Physic Medicine, Faculty of Medicine, Campus of Excellence Mare Nostrum, University of Murcia, Murcia, Spain
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Anticatabolic and Anti-Inflammatory Effects of Myricetin 3-O-β-d-Galactopyranoside in UVA-Irradiated Dermal Cells via Repression of MAPK/AP-1 and Activation of TGFβ/Smad. Molecules 2020; 25:molecules25061331. [PMID: 32183404 PMCID: PMC7144112 DOI: 10.3390/molecules25061331] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 03/10/2020] [Accepted: 03/11/2020] [Indexed: 12/13/2022] Open
Abstract
UV irradiation is one of the main causes of extrinsic skin aging. UV-mediated skin aging, also known as photoaging, causes excessive breakdown of extracellular matrix which leads skin to lose its elasticity and strength. Several phytochemicals are known to exert anti-photoaging effects via different mechanisms, partly due to their antioxidant properties. The current study has been carried out to determine the potential anti-photoaging properties of myricetin 3-O-β-d-galacto-pyranoside (M3G), a flavonol glycoside isolated from L. tetragonum, in UVA-irradiated in vitro models; HaCaT keratinocytes and human dermal fibroblasts (HDFs). UVA-induced changes in MMP-1 and collagen production have been observed in HaCaT keratinocytes and HDFs. Further, UVA-induced activation of MAPK signaling, and pro-inflammatory cytokine production have been investigated. TGFβ/Smad pathway has also been analyzed in UVA-irradiated HDFs. Treatment with M3G reversed the UVA-induced changes in MMP-1 and collagen production both in HaCaT keratinocytes and HDFs. UVA-mediated activation of p38, ERK and JNK MAPK activation was also inhibited by M3G treatment in HaCaT keratinocytes. In HDFs, M3G was able to upregulate the TGFβ/Smad pathway activation. In addition, M3G downregulated the UVA-induced pro-inflammatory cytokines in keratinocytes and HDFs. It has been suggested that the M3G has exerted potential antiphotoaging properties in vitro, by attenuating UVA-induced changes in MMP-1 and collagen production in keratinocytes and dermal fibroblasts.
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Li Q, Bai D, Qin L, Shao M, Liu X, Zhang S, Yan C, Yu G, Hao J. Protective Effect of L-Hexaguluroic Acid Hexasodium Salt on UVA-Induced Photo-Aging in HaCaT Cells. Int J Mol Sci 2020; 21:E1201. [PMID: 32054061 PMCID: PMC7072793 DOI: 10.3390/ijms21041201] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 02/07/2020] [Accepted: 02/09/2020] [Indexed: 12/11/2022] Open
Abstract
This study aimed to show the α-L-Hexaguluroic acid hexasodium salt (G6) protective effect against UVA-induced photoaging of human keratinocyte cells. We found that G6 localized to the mitochondria and improved mitochondrial functions. G6 increased respiratory chain complex activities, which led to increased cellular ATP content and NAD+/NADH ratio. Thus, G6 alleviated the oxidative stress state in UVA-irradiated cells. Moreover, G6 can regulate the SIRT1/pGC-1α pathway, which enhanced the cells' viability and mitochondria energy metabolism. Notably, the anti-photoaging potential of G6 was directly associated with the increased level of MMP and SIRT1, which was followed by the upregulation of pGC-1α, D-LOOP, and Mt-TFA, and with the transcriptional activation of NRF1/NRF2. Taking all of the results together, we conclude that G6 could protect HaCaT cells from UVA-induced photo-aging via the regulation of mitochondria energy metabolism and its downstream signaling pathways.
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Affiliation(s)
- Qiong Li
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (Q.L.); (D.B.); (L.Q.); (M.S.); (X.L.); (S.Z.); (C.Y.)
- Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Donghui Bai
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (Q.L.); (D.B.); (L.Q.); (M.S.); (X.L.); (S.Z.); (C.Y.)
- Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Ling Qin
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (Q.L.); (D.B.); (L.Q.); (M.S.); (X.L.); (S.Z.); (C.Y.)
| | - Meng Shao
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (Q.L.); (D.B.); (L.Q.); (M.S.); (X.L.); (S.Z.); (C.Y.)
- Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Xi Liu
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (Q.L.); (D.B.); (L.Q.); (M.S.); (X.L.); (S.Z.); (C.Y.)
- Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Shuai Zhang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (Q.L.); (D.B.); (L.Q.); (M.S.); (X.L.); (S.Z.); (C.Y.)
- Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Chengxiu Yan
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (Q.L.); (D.B.); (L.Q.); (M.S.); (X.L.); (S.Z.); (C.Y.)
- Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Guangli Yu
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (Q.L.); (D.B.); (L.Q.); (M.S.); (X.L.); (S.Z.); (C.Y.)
- Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China
| | - Jiejie Hao
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (Q.L.); (D.B.); (L.Q.); (M.S.); (X.L.); (S.Z.); (C.Y.)
- Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China
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kandan PV, Balupillai A, Kanimozhi G, Khan HA, Alhomida AS, Prasad NR. Opuntiol Prevents Photoaging of Mouse Skin via Blocking Inflammatory Responses and Collagen Degradation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:5275178. [PMID: 33312336 PMCID: PMC7721505 DOI: 10.1155/2020/5275178] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 10/20/2020] [Accepted: 11/07/2020] [Indexed: 02/05/2023]
Abstract
In the present study, we investigated the potential of opuntiol, isolated from Opuntia ficus-indica, against UVA radiation-mediated inflammation and skin photoaging in experimental animals. The skin-shaved experimental mouse was subjected to UVA exposure at the dosage of 10 J/cm2 per day for ten consecutive days (cumulative UVA dose: 100 J/cm2). Opuntiol (50 mg/kg b.wt.) was topically applied one hour before each UVA exposure. UVA (100 J/cm2) exposure induces epidermal hyperplasia and collagen disarrangement which leads to the photoaging-associated molecular changes in the mouse skin. Opuntiol pretreatment prevented UVA-linked clinical macroscopic skin lesions and histological changes in the mouse skin. Further, opuntiol prevents UVA-linked dermal collagen fiber loss in the mouse skin. Short-term UVA radiation (100 J/cm2) activates MAPKs through AP-1 and NF-κB p65 transcriptional pathways and subsequently induces the expression of inflammatory proteins and matrix-degrading proteinases in the mouse skin. Interestingly, opuntiol pretreatment inhibited UVA-induced activation of iNOS, VEGF, TNF-α, and COX-2 proteins and consequent activation of MMP-2, MMP-9, and MMP-12 in the mouse skin. Moreover, opuntiol was found to prevent collagen I and III breakdown in UVA radiation-exposed mouse skin. Thus, opuntiol protects mouse skin from UVA radiation-associated photoaging responses through inhibiting inflammatory responses, MAPK activation, and degradation of matrix collagen molecules.
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Affiliation(s)
- P. Veeramani kandan
- 1Department of Biochemistry & Biotechnology, Annamalai University, Annamalainagar, 608 002 Tamil Nadu, India
| | - Agilan Balupillai
- 1Department of Biochemistry & Biotechnology, Annamalai University, Annamalainagar, 608 002 Tamil Nadu, India
- 2Department of Biotechnology, Thiruvalluvar University, Serkadu, 632115 Vellore, Tamil Nadu, India
| | - G. Kanimozhi
- 3Department of Biochemistry, Dharmapuram Gnanambigai Government Arts College for Women, Mayiladuthurai, Tamil Nadu, India
| | - Haseeb A. Khan
- 4Department of Biochemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Abdullah S. Alhomida
- 4Department of Biochemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Nagarajan Rajendra Prasad
- 1Department of Biochemistry & Biotechnology, Annamalai University, Annamalainagar, 608 002 Tamil Nadu, India
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Takada-Takatori Y, Tomii Y, Takemasa S, Takeda Y, Izumi Y, Akaike A, Tsuchida K, Kume T. Protective Effects of 2′,3′-Dihydroxy-4′,6′-dimethoxychalcone Derived from Green Perilla Leaves against UV Radiation-Induced Cell Injury in Human Cultured Keratinocytes. Biol Pharm Bull 2019; 42:1936-1941. [DOI: 10.1248/bpb.b19-00618] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
| | - Yuri Tomii
- Faculty of Pharmaceutical Sciences, Doshisha Women's College
| | - Shota Takemasa
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Kyoto University
| | - Yuka Takeda
- Faculty of Pharmaceutical Sciences, Doshisha Women's College
| | - Yasuhiko Izumi
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Kyoto University
- Laboratory of Pharmacology, Kobe Pharmaceutical University
| | - Akinori Akaike
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Kyoto University
- Department of Pharmacology, Graduate School of Medicine, Wakayama Medical University
| | | | - Toshiaki Kume
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Kyoto University
- Department of Applied Pharmacology, Graduate School of Medical and Pharmaceutical Sciences, University of Toyama
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Xue F, Chen S, Chunxiang B, Farrukh Nisar M, Liu Y, Sutrisno L, Xiang Y, Zhang Y, Diao Q, Lin M, Zhong JL. eIF2 alpha phosphorylation alleviates UVA-induced HO-1 expression in mouse epidermal cells. Free Radic Res 2019; 52:1359-1370. [PMID: 30693837 DOI: 10.1080/10715762.2018.1489127] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Ultraviolet A (UVA) irradiation is a potential environmental stressor, which contributes to inflammation, photoaging, and carcinogenesis. UVA causes endoplasmic reticulum stress, hence phosphorylates the α subunit of eIF2. Meanwhile, UVA also induces expression of haem oxygenase-1 (HO-1) and nuclear factor erythroid-derived two related factor 2 (Nrf2) in human skin cells. In mouse JB6 cell, we found high dose UVA could change cell morphology, cause cell viability loss. UVA irradiation activated phosphorylation of eIF2α and Nrf2-HO-1 pathway in a dose-dependent manner. Besides, modulation of eIF2α phosphorylation status could alter expression pattern of Nrf2-HO-1 signalling. Salubrinal, a selective inhibitor of eIF2α dephosphorylation, increased the S phase in cell cycle of JB6 cells after UVA irradiation, suggesting phosphorylation status of eIF2α may affect cellular homeostasis under UVA irradiation. The study directed to further acknowledge about the relationship of UVA-induced eIF2α phosphorylation and Nrf2-HO-1 pathway, which may play a role in phototherapy and photo protection.
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Affiliation(s)
- Fangfang Xue
- a Base of "111 Project" for Biomechanics & Tissue Repair Engineering, Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering college , Chongqing University , Chongqing , China
| | - Shida Chen
- a Base of "111 Project" for Biomechanics & Tissue Repair Engineering, Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering college , Chongqing University , Chongqing , China
| | - Bian Chunxiang
- a Base of "111 Project" for Biomechanics & Tissue Repair Engineering, Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering college , Chongqing University , Chongqing , China
| | - Muhammad Farrukh Nisar
- a Base of "111 Project" for Biomechanics & Tissue Repair Engineering, Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering college , Chongqing University , Chongqing , China
| | - Yong Liu
- a Base of "111 Project" for Biomechanics & Tissue Repair Engineering, Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering college , Chongqing University , Chongqing , China
| | - Linawati Sutrisno
- a Base of "111 Project" for Biomechanics & Tissue Repair Engineering, Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering college , Chongqing University , Chongqing , China
| | - Yuancai Xiang
- a Base of "111 Project" for Biomechanics & Tissue Repair Engineering, Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering college , Chongqing University , Chongqing , China
| | - Yiguo Zhang
- a Base of "111 Project" for Biomechanics & Tissue Repair Engineering, Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering college , Chongqing University , Chongqing , China
| | - Qingchun Diao
- b Chongqing Traditional Chinese Medicine Hospital , Chongqing , China
| | - Mao Lin
- b Chongqing Traditional Chinese Medicine Hospital , Chongqing , China
| | - Julia Li Zhong
- a Base of "111 Project" for Biomechanics & Tissue Repair Engineering, Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering college , Chongqing University , Chongqing , China.,b Chongqing Traditional Chinese Medicine Hospital , Chongqing , China
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Shin JS, Han HS, Lee SB, Myung DB, Lee K, Lee SH, Kim HJ, Lee KT. Chemical Constituents from Leaves of Hydrangea serrata and Their Anti-photoaging Effects on UVB-Irradiated Human Fibroblasts. Biol Pharm Bull 2019; 42:424-431. [DOI: 10.1248/bpb.b18-00742] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Ji-Sun Shin
- Department of Pharmaceutical Biochemistry, College of Pharmacy, Kyung Hee University
| | - Hee-Soo Han
- Department of Pharmaceutical Biochemistry, College of Pharmacy, Kyung Hee University
- Department of Life and Nanopharmaceutical Sciences, College of Pharmacy, Kyung Hee University
| | - Seung-Bin Lee
- Department of Pharmaceutical Biochemistry, College of Pharmacy, Kyung Hee University
- Department of Life and Nanopharmaceutical Sciences, College of Pharmacy, Kyung Hee University
| | - Da-bin Myung
- Department of Pharmaceutical Biochemistry, College of Pharmacy, Kyung Hee University
- Department of Life and Nanopharmaceutical Sciences, College of Pharmacy, Kyung Hee University
| | - Keunsuk Lee
- Department of New Material Development, COSMAXBIO
| | - Sun Hee Lee
- Department of New Material Development, COSMAXBIO
| | - Hyoung Ja Kim
- Molecular Recognition Research Center, Materials and Life Science Research Division, Korea Institute of Science and Technology
| | - Kyung-Tae Lee
- Department of Pharmaceutical Biochemistry, College of Pharmacy, Kyung Hee University
- Department of Life and Nanopharmaceutical Sciences, College of Pharmacy, Kyung Hee University
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Ciesielska S, Bil P, Gajda K, Poterala-Hejmo A, Hudy D, Rzeszowska-Wolny J. Cell type-specific differences in redox regulation and proliferation after low UVA doses. PLoS One 2019; 14:e0205215. [PMID: 30682016 PMCID: PMC6347369 DOI: 10.1371/journal.pone.0205215] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 01/04/2019] [Indexed: 01/09/2023] Open
Abstract
Ultraviolet A (UVA) radiation is harmful for living organisms but in low doses may stimulate cell proliferation. Our aim was to examine the relationships between exposure to different low UVA doses, cellular proliferation, and changes in cellular reactive oxygen species levels. In human colon cancer (HCT116) and melanoma (Me45) cells exposed to UVA doses comparable to environmental, the highest doses (30–50 kJ/m2) reduced clonogenic potential but some lower doses (1 and 10 kJ/m2) induced proliferation. This effect was cell type and dose specific. In both cell lines the levels of reactive oxygen species and nitric oxide fluctuated with dynamics which were influenced differently by UVA; in Me45 cells decreased proliferation accompanied the changes in the dynamics of H2O2 while in HCT116 cells those of superoxide. Genes coding for proteins engaged in redox systems were expressed differently in each cell line; transcripts for thioredoxin, peroxiredoxin and glutathione peroxidase showed higher expression in HCT116 cells whereas those for glutathione transferases and copper chaperone were more abundant in Me45 cells. We conclude that these two cell types utilize different pathways for regulating their redox status. Many mechanisms engaged in maintaining cellular redox balance have been described. Here we show that the different cellular responses to a stimulus such as a specific dose of UVA may be consequences of the use of different redox control pathways. Assays of superoxide and hydrogen peroxide level changes after exposure to UVA may clarify mechanisms of cellular redox regulation and help in understanding responses to stressing factors.
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Affiliation(s)
- Sylwia Ciesielska
- Biosystems Group, Institute of Automatic Control, Silesian University of Technology, Gliwice, Poland
| | - Patryk Bil
- Biosystems Group, Institute of Automatic Control, Silesian University of Technology, Gliwice, Poland
| | - Karolina Gajda
- Biosystems Group, Institute of Automatic Control, Silesian University of Technology, Gliwice, Poland
| | - Aleksandra Poterala-Hejmo
- Biosystems Group, Institute of Automatic Control, Silesian University of Technology, Gliwice, Poland
| | - Dorota Hudy
- Biosystems Group, Institute of Automatic Control, Silesian University of Technology, Gliwice, Poland
| | - Joanna Rzeszowska-Wolny
- Biosystems Group, Institute of Automatic Control, Silesian University of Technology, Gliwice, Poland
- * E-mail:
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Role of PGE-2 and Other Inflammatory Mediators in Skin Aging and Their Inhibition by Topical Natural Anti-Inflammatories. COSMETICS 2019. [DOI: 10.3390/cosmetics6010006] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Human skin aging is due to two types of aging processes, “intrinsic” (chronological) aging and “extrinsic” (external factor mediated) aging. While inflammatory events, triggered mainly by sun exposure, but also by pollutants, smoking and stress, are the principle cause of rapid extrinsic aging, inflammation also plays a key role in intrinsic aging. Inflammatory events in the skin lead to a reduction in collagen gene activity but an increase in activity of the genes for matrix metalloproteinases. Inflammation also alters proliferation rates of cells in all skin layers, causes thinning of the epidermis, a flattening of the dermo-epidermal junction, an increase in irregular pigment production, and, finally, an increased incidence of skin cancer. While a large number of inflammatory mediators, including IL-1, TNF-alpha and PGE-2, are responsible for many of these damaging effects, this review will focus primarily on the role of PGE-2 in aging. Levels of this hormone-like mediator increase quickly when skin is exposed to ultraviolet radiation (UVR), causing changes in genes needed for normal skin structure and function. Further, PGE-2 levels in the skin gradually increase with age, regardless of whether or not the skin is protected from UVR, and this smoldering inflammation causes continuous damage to the dermal matrix. Finally, and perhaps most importantly, PGE-2 is strongly linked to skin cancer. This review will focus on: (1) the role of inflammation, and particularly the role of PGE-2, in accelerating skin aging, and (2) current research on natural compounds that inhibit PGE-2 production and how these can be developed into topical products to retard or even reverse the aging process, and to prevent skin cancer.
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Beesetti S, Surabhi RP, Rayala SK, Venkatraman G. Mechanics of PAK1-A new molecular player in the arena of skin cancer. J Cell Physiol 2018; 234:969-975. [PMID: 30076705 DOI: 10.1002/jcp.26925] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Accepted: 06/12/2018] [Indexed: 01/09/2023]
Abstract
Despite regular exposure of skin to solar UV-B irradiation, most individuals enjoy cancer-free existence, which is a testimony of the inherent capacity of human keratinocytes to either repair or restore cells damged by UV exposure. In this manuscript, we focus on delineating the mechanistic role of p21 activated kinase (Pak1) in UV-B provoked skin lesions. Molecular mechanistic studies revealed that Pak1 is triggered as a consequence to UV-B exposure via epidermal growth factor receptor (EGFR) and cyclobutane pyrimidine dimers (CPD) pathways, and both these membranous (EGFR) and nuclear (CPDs) events converge at Pak1 activation and contribute in a coordinated manner for yielding a complete response to UV-B via upregulating Ataxia-Telangiectasia and Rad3 related (ATR). This is the first study that evaluates the mechanistic role of a signaling molecule, Pak1, in premalignant skin lesions caused by sun exposure and designate that expression and instigation of Pak1 could operate as an alarming indicator of succession towards aggressive form of skin cancer, if neglected.
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Affiliation(s)
| | - Rohan P Surabhi
- Department of Biotechnology, IIT Madras, Chennai, India.,Department of Human Genetics, College of Biomedical Sciences, Technology & Research, Sri Ramachandra Medical College & Research Institute (Deemed to be University), Chennai, India
| | | | - Ganesh Venkatraman
- Department of Human Genetics, College of Biomedical Sciences, Technology & Research, Sri Ramachandra Medical College & Research Institute (Deemed to be University), Chennai, India
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Kamenisch Y, Ivanova I, Drexler K, Berneburg M. UVA, metabolism and melanoma: UVA makes melanoma hungry for metastasis. Exp Dermatol 2018; 27:941-949. [PMID: 29658146 DOI: 10.1111/exd.13561] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/05/2018] [Indexed: 12/13/2022]
Abstract
Ultraviolet (UV) radiation has a plethora of effects on human tissues. In the UV spectrum, wavelengths above 320 nm fall into the UVA range, and for these, it has been shown that they induce reactive oxygen species (ROS), DNA mutations and are capable to induce melanoma in mice. In addition to this, it was recently shown that UVA irradiation and UVA-induced ROS also increase glucose metabolism of melanoma cells. UVA irradiation causes a persistent increase in glucose consumption, accompanied by increased glycolysis, increased lactic acid production and activation of the pentose phosphate pathway. Furthermore, it was shown that the enhanced secretion of lactic acid is important for invasion of melanoma in vitro. The current knowledge of this link between UVA, metabolism and melanoma, possible mechanisms of UVA-induced glucose metabolism and their starting points are discussed in this review with focus on ROS- and UVA-induced cellular stress signalling, DNA damage signalling and DNA repair systems. When looking at the benefits of UVA-induced glucose metabolism, it becomes apparent that there are more advantages of these metabolic changes than one would expect. Besides the role of lactic acid as initiator of protease expression and invasion, its role for immune escape of melanoma cells and the pentose phosphate pathway-derived nicotinamide adenine dinucleotide phosphate (NADPH) as part of a ROS detoxification strategy are discussed.
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Affiliation(s)
- York Kamenisch
- Department of Dermatology, University Hospital Regensburg, Regensburg, Germany
| | - Irina Ivanova
- Department of Dermatology, University Hospital Regensburg, Regensburg, Germany
| | - Konstantin Drexler
- Department of Dermatology, University Hospital Regensburg, Regensburg, Germany
| | - Mark Berneburg
- Department of Dermatology, University Hospital Regensburg, Regensburg, Germany
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Chandrasekara A, Daugelaite J, Shahidi F. DNA scission and LDL cholesterol oxidation inhibition and antioxidant activities of Bael ( Aegle marmelos) flower extracts. J Tradit Complement Med 2018; 8:428-435. [PMID: 29992113 PMCID: PMC6035305 DOI: 10.1016/j.jtcme.2017.08.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Accepted: 08/14/2017] [Indexed: 12/04/2022] Open
Abstract
Phenolic compounds and other antioxidants have been implicated in protection against non-communicable diseases (NCDs) in which oxidative stress is a main contributor. The extracts of Bael (Aegle marmelos) flower were examined for their phenolic content, free radical scavenging efficacy and inhibition of low density lipoprotein (LDL) cholesterol oxidation and DNA scission activities. The extracts of Bael flowers were prepared using different solvent systems and their total phenolic content (TPC) and total flavonoid content (TFC) determined. Selected extracts which showed high TPC were subsequently used to determine their efficacy in scavenging hydroxyl, and 2,2-diphenyl-1-picrylhydrazyl (DPPH) radicals, using electron paramagnetic resonance (EPR) spectroscopy. The corresponding peroxyl radical scavenging activity was measured using oxygen radical absorbance capacity (ORAC) assay. The potency of the extracts in inhibiting hydroxyl and peroxyl radical-induced supercoiled DNA scission and inhibition of LDL cholesterol oxidation was also evaluated. The chemical identity of phenolic compounds present in the extracts was tentatively unraveled using HPLC-MS. Phenolic extracts of Bael flowers effectively inhibited hydroxyl, and peroxyl radicals. Phenolic extracts demonstrated notable inhibitory activity against hydroxyl and peroxyl radical-induced DNA scission and LDL oxidation. Vanillic, p-coumaric, chlorogenic, caffeic, and gentisic acids were identified as major phenolic acids, along with flavonoids, mainly catechin, and quercetin. The knowledge gained here may help better use of Bael flower extracts as functional herbal beverage ingredients in the prevention of NCDs.
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Affiliation(s)
- Anoma Chandrasekara
- Department of Applied Nutrition, Wayamba University of Sri Lanka, Makandura, Gonawila, 60170, Sri Lanka
| | - Jurata Daugelaite
- Department of Biochemistry, Memorial University of Newfoundland, St. John's, NL, A1B 3X9, Canada
| | - Fereidoon Shahidi
- Department of Biochemistry, Memorial University of Newfoundland, St. John's, NL, A1B 3X9, Canada
- Corresponding author.
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Awad F, Assrawi E, Louvrier C, Jumeau C, Giurgea I, Amselem S, Karabina SA. Photoaging and skin cancer: Is the inflammasome the missing link? Mech Ageing Dev 2018; 172:131-137. [DOI: 10.1016/j.mad.2018.03.003] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 11/23/2017] [Accepted: 03/08/2018] [Indexed: 02/07/2023]
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de Silva MB, Tencomnao T. The protective effect of some Thai plants and their bioactive compounds in UV light-induced skin carcinogenesis. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2018; 185:80-89. [PMID: 29879588 DOI: 10.1016/j.jphotobiol.2018.04.046] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 04/27/2018] [Accepted: 04/30/2018] [Indexed: 12/19/2022]
Abstract
Skin cancer, represents a major public health concern. While the vast majority is non-melanoma skin cancers, melanomas are mostly responsible for mortality. Solar UVB radiation is mutagenic and carcinogenic. It is primarily responsible for both non-melanoma and melanoma skin cancers via excessive production of reactive oxygen species (ROS), which mediate changes in inflammation and immunity, and have been implicated in all three stages of skin cancer development. Due to their regulatory role in numerous functions of cells, signaling pathways are targets for chemoprevention. The current standards in melanoma therapy are targeted and combination therapies, which, albeit prolong survival responses, are still prone to development of drug resistance. To this extent, drugs of natural origin continue to spark great interest. Thailand has a rich biodiversity of indigenous flora, which have traditionally been used to treat a variety of pathologies. The active components in plant extracts that have medicinal properties, termed 'bioactive compounds,' are efficient chemopreventive agents due to their antioxidant, antimutagenic, anticarcinogenic, and carcinogen detoxification properties. Thai plants and their bioactive compounds have shown protective effects on UV light-induced skin cancer in different experimental models. This warrants further in vivo investigations and translation to clinical studies to determine efficacy and safety, for use as lead compounds in targeted/combination therapy or adjuvant therapy with existing regimes. Coupled with a strategy for prevention, this offers a promising outlook for protection against photocarcinogenesis.
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Affiliation(s)
- Madhura B de Silva
- Age-Related Inflammation and Degeneration Research Unit, Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, 154 Rama I Road, Pathumwan, Bangkok 10330, Thailand
| | - Tewin Tencomnao
- Age-Related Inflammation and Degeneration Research Unit, Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, 154 Rama I Road, Pathumwan, Bangkok 10330, Thailand.
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Salama SA, Arab HH, Omar HA, Gad HS, Abd-Allah GM, Maghrabi IA, Al robaian MM. L-carnitine mitigates UVA-induced skin tissue injury in rats through downregulation of oxidative stress, p38/c-Fos signaling, and the proinflammatory cytokines. Chem Biol Interact 2018; 285:40-47. [DOI: 10.1016/j.cbi.2018.02.034] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Revised: 02/12/2018] [Accepted: 02/26/2018] [Indexed: 02/06/2023]
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Proanthocyanidins against Oxidative Stress: From Molecular Mechanisms to Clinical Applications. BIOMED RESEARCH INTERNATIONAL 2018; 2018:8584136. [PMID: 29750172 PMCID: PMC5884402 DOI: 10.1155/2018/8584136] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Accepted: 01/14/2018] [Indexed: 12/15/2022]
Abstract
Proanthocyanidins (PCs) are naturally occurring polyphenolic compounds abundant in many vegetables, plant skins (rind/bark), seeds, flowers, fruits, and nuts. Numerous in vitro and in vivo studies have demonstrated myriad effects potentially beneficial to human health, such as antioxidation, anti-inflammation, immunomodulation, DNA repair, and antitumor activity. Accumulation of prooxidants such as reactive oxygen species (ROS) exceeding cellular antioxidant capacity results in oxidative stress (OS), which can damage macromolecules (DNA, lipids, and proteins), organelles (membranes and mitochondria), and whole tissues. OS is implicated in the pathogenesis and exacerbation of many cardiovascular, neurodegenerative, dermatological, and metabolic diseases, both through direct molecular damage and secondary activation of stress-associated signaling pathways. PCs are promising natural agents to safely prevent acute damage and control chronic diseases at relatively low cost. In this review, we summarize the molecules and signaling pathways involved in OS and the corresponding therapeutic mechanisms of PCs.
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