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Therstappen K, Eichner A, Wohlrab J. [Practical problems with the use of topicals in geriatric dermatology]. DERMATOLOGIE (HEIDELBERG, GERMANY) 2023; 74:773-781. [PMID: 37493717 PMCID: PMC10516777 DOI: 10.1007/s00105-023-05187-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/07/2023] [Indexed: 07/27/2023]
Abstract
Changes related to aging affect all layers of the skin and are influenced by both intrinsic conditions and extrinsic factors. The extent of the senescent changes can vary enormeously in seniors, so that an individual assessment is useful and often necessary. Of particular clinical importance are changes in the epidermis, which entail a complex reduction of the barrier function and a reduction in the compensatory capacity with regard to exogenous noxae. This results in increased susceptibility, especially toward infection and cancer. Against this background, a prophylactic strategy for the substitution of the physicochemical and thus also the microbiological barrier in the context of basic care is very important. In order to be able to implement these consistently, recommendations for preparations explicitly designed for aging skin as well as practical instructions for use are highly meaningful. The latter should take into account limitations regarding mobility as well as possible cognitive deficits of seniors. For this purpose, creams and suitable preparations in terms of viscosity and composition should be recommended. In order to facilitate implementation, written or pictorial recommendations for application as well as digital assistance systems can be used. Due to demographic developments in Germany and Europe, the clinical relevance of geriatric dermatology will significantly increase in the future.
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Affiliation(s)
- K Therstappen
- Universitätsklinik und Poliklinik für Dermatologie und Venerologie, Martin-Luther-Universität Halle-Wittenberg, Ernst-Grube-Str. 40, 06120, Halle (Saale), Deutschland
| | - A Eichner
- Universitätsklinik und Poliklinik für Dermatologie und Venerologie, Martin-Luther-Universität Halle-Wittenberg, Ernst-Grube-Str. 40, 06120, Halle (Saale), Deutschland.
- An-Institut für angewandte Dermatopharmazie (IADP), Martin-Luther-Universität Halle-Wittenberg, Weinbergweg 23, 06120, Halle (Saale), Deutschland.
| | - J Wohlrab
- Universitätsklinik und Poliklinik für Dermatologie und Venerologie, Martin-Luther-Universität Halle-Wittenberg, Ernst-Grube-Str. 40, 06120, Halle (Saale), Deutschland
- An-Institut für angewandte Dermatopharmazie (IADP), Martin-Luther-Universität Halle-Wittenberg, Weinbergweg 23, 06120, Halle (Saale), Deutschland
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Seurat E, Verdin A, Cazier F, Courcot D, Fitoussi R, Vié K, Desauziers V, Momas I, Seta N, Achard S. Influence of the environmental relative humidity on the inflammatory response of skin model after exposure to various environmental pollutants. ENVIRONMENTAL RESEARCH 2021; 196:110350. [PMID: 33144047 DOI: 10.1016/j.envres.2020.110350] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 10/08/2020] [Accepted: 10/19/2020] [Indexed: 06/11/2023]
Abstract
The skin is an essential barrier, protecting the body against the environment and its numerous pollutants. Several environmental pollutants are known to affect the skin, inducing premature aging through mechanisms including oxidative stress, inflammation, and impairment of skin functions. Even climate conditions can impact the skin. Therefore, using a Reconstructed Human Epidermis (RHE), we tested the effect of two samples of fine particulate matters (PM0.3-2.5 - one metals-rich sample and the other organic compounds-rich), two Volatile Organic Compounds mixtures (VOCs - from a solvent-based paint and a water-based paint) and Tobacco Smoke (TS). All pollutants affected cellular functionality, but to a lesser extent for the water-based paint VOC. This effect was enhanced when RHE were preconditioned for 2 h by a semi-dry airflow (45% relative humidity) before pollutants application, compared to preconditioning by a humid airflow (90% relative humidity). In the absence of preconditioning, IL-1α, IL-6, IL-8, and RANTES were almost systematically induced by pollutants. When RHE were preconditioned by a semi-dry or humid airflow before being subjected to pollutants, the increase of IL-1α, IL-8, and RANTES falls into two groups. Similarly to RHE not treated with pollutants, RHE treated with VOCs after preconditioning by a semi-dry airflow showed increased IL-1α, IL-8, and RANTES release. On the contrary, RHE treated with PM or TS after preconditioning by a semi-dry airflow show a lower increase in IL-1α, IL-8, and RANTES compared to preconditioning by a humid airflow. The effect of real environmental relative humidity conditions of the air, combined with acute exposure to various environmental pollutants, seemed to relate mainly to structural changes of the skin, determining the outcome of the inflammatory response depending on the physicochemical characteristics of pollutants.
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Affiliation(s)
- Emeline Seurat
- Laboratoire de Santé Publique et Environnement, Hera "Health Environmental Risk Assessment", Inserm UMR1153-CRESS (Centre de Recherche en Epidémiologie et StatistiqueS), Université de Paris, Faculté de Pharmacie de Paris, 4, Avenue de L'Observatoire, 75006, Paris, France
| | - Anthony Verdin
- Unité de Chimie Environnementale et Interactions sur le Vivant UR4492, SFR Condorcet FR CNRS 3417, Maison de La Recherche en Environnement Industriel 2, Université Du Littoral Côte D'Opale, 189A Avenue Maurice Schumann, 59140, Dunkerque, France
| | - Fabrice Cazier
- Centre Commun de Mesures (CCM), Université Du Littoral-Côte D'Opale, 145 Avenue Maurice Schumann, 5914, Dunkerque, France
| | - Dominique Courcot
- Unité de Chimie Environnementale et Interactions sur le Vivant UR4492, SFR Condorcet FR CNRS 3417, Maison de La Recherche en Environnement Industriel 2, Université Du Littoral Côte D'Opale, 189A Avenue Maurice Schumann, 59140, Dunkerque, France
| | | | - Katell Vié
- Laboratoires Clarins, 5 Rue Ampère, 95300, Pontoise, France
| | - Valérie Desauziers
- IPREM, IMT Mines Ales, Université de Pau et des Pays de L'Adour, E2S UPPA, CNRS, Pau, France
| | - Isabelle Momas
- Laboratoire de Santé Publique et Environnement, Hera "Health Environmental Risk Assessment", Inserm UMR1153-CRESS (Centre de Recherche en Epidémiologie et StatistiqueS), Université de Paris, Faculté de Pharmacie de Paris, 4, Avenue de L'Observatoire, 75006, Paris, France
| | - Nathalie Seta
- Laboratoire de Santé Publique et Environnement, Hera "Health Environmental Risk Assessment", Inserm UMR1153-CRESS (Centre de Recherche en Epidémiologie et StatistiqueS), Université de Paris, Faculté de Pharmacie de Paris, 4, Avenue de L'Observatoire, 75006, Paris, France
| | - Sophie Achard
- Laboratoire de Santé Publique et Environnement, Hera "Health Environmental Risk Assessment", Inserm UMR1153-CRESS (Centre de Recherche en Epidémiologie et StatistiqueS), Université de Paris, Faculté de Pharmacie de Paris, 4, Avenue de L'Observatoire, 75006, Paris, France.
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Imhof L, Leuthard D. Topical Over-the-Counter Antiaging Agents: An Update and Systematic Review. Dermatology 2020; 237:217-229. [PMID: 32882685 DOI: 10.1159/000509296] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 06/03/2020] [Indexed: 11/19/2022] Open
Abstract
Over-the-counter antiaging formulations aim to prevent or minimize the signs of aging skin, and to maintain the benefits obtained from different cosmetic procedures. Even though a huge selection of such products is available on the market, evidence and good clinical practice of the data supporting their use are oftentimes lacking. In this systematic review, the authors reviewed scientific data available in the published literature on the most common ingredients used in antiaging cosmetics, with a particular focus on in vivo studies.
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Affiliation(s)
- Laurence Imhof
- Department of Dermatology, University Hospital Zurich, Zurich, Switzerland,
| | - Deborah Leuthard
- Department of Dermatology, University Hospital Zurich, Zurich, Switzerland
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Lee SE, Kwon TR, Kim JH, Lee BC, Oh CT, Im M, Hwang YK, Paik SH, Han S, Kim JY, Kim BJ. Anti‑photoaging and anti‑oxidative activities of natural killer cell conditioned medium following UV‑B irradiation of human dermal fibroblasts and a reconstructed skin model. Int J Mol Med 2019; 44:1641-1652. [PMID: 31432192 PMCID: PMC6777663 DOI: 10.3892/ijmm.2019.4320] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 07/19/2019] [Indexed: 12/30/2022] Open
Abstract
Conditioned media from various sources comprise numerous growth factors and cytokines and are known to promote the regeneration of damaged tissues. Among these, natural killer cell conditioned medium (NK-CdM) has been shown to stimulate collagen synthesis and the migration of fibroblasts during the wound healing process. With a long-term aim of developing a treatment for skin photoaging, the ability of NK-CdM to prevent ultraviolet-B (UV-B) damage was assessed in neonatal human dermal fibroblasts (NHDFs) and an in vitro reconstructed skin model. The factors present in NK-CdM were profiled using an antibody array analysis. Protein and mRNA levels in UV-B exposed NHDFs treated with NK-CdM were measured by western blotting and quantitative reverse transcription-PCR, respectively. The total antioxidant capacity of NK-CdM was determined to assess its ability to suppress reactive oxygen species. The anti-photoaging effect of NK-CdM was also assessed in a 3D reconstituted human full skin model. NK-CdM induced proliferation of UV-B-treated NHDFs, increased procollagen expression, and decreased matrix metalloproteinase (MMP)-1 expression. NK-CdM also exhibited a potent antioxidant activity as measured by the total antioxidant capacity. NK-CdM inhibited UV-B-induced collagen degradation by inactivating MAPK signaling. NK-CdM also elicited potential anti-wrinkle effects by inhibiting the UV-B-induced increase in MMP-1 expression levels in a 3D reconstituted human full skin model. Taken together, the suppression of both UV-B-induced MMP-1 expression and JNK activation by NK-CdM suggests NK-CdM as a possible candidate anti-skin aging agent.
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Affiliation(s)
- Sung-Eun Lee
- Department of Dermatology, College of Medicine, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Tae-Rin Kwon
- Department of Dermatology, College of Medicine, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Jong Hwan Kim
- Department of Dermatology, College of Medicine, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Byung-Chul Lee
- Department of Dermatology, College of Medicine, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Chang Taek Oh
- Research Institute, Green Cross WellBeing Corporation, Seongnam, Gyeonggi‑do 13595, Republic of Korea
| | - Minju Im
- Research Institute, Green Cross WellBeing Corporation, Seongnam, Gyeonggi‑do 13595, Republic of Korea
| | - Yu Kyeong Hwang
- Cell Therapy Research Center, GC LabCell, Yongin, Gyeonggi‑do 16924, Republic of Korea
| | - Sang Hoon Paik
- Cell Therapy Research Center, GC LabCell, Yongin, Gyeonggi‑do 16924, Republic of Korea
| | - Seungryel Han
- Cell Therapy Research Center, GC LabCell, Yongin, Gyeonggi‑do 16924, Republic of Korea
| | - Jeom-Yong Kim
- Research Institute, Green Cross WellBeing Corporation, Seongnam, Gyeonggi‑do 13595, Republic of Korea
| | - Beom Joon Kim
- Department of Dermatology, College of Medicine, Chung-Ang University, Seoul 06974, Republic of Korea
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Verdin A, Cazier F, Fitoussi R, Blanchet N, Vié K, Courcot D, Momas I, Seta N, Achard S. An in vitro model to evaluate the impact of environmental fine particles (PM0.3-2.5) on skin damage. Toxicol Lett 2019; 305:94-102. [DOI: 10.1016/j.toxlet.2019.01.016] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 01/14/2019] [Accepted: 01/30/2019] [Indexed: 11/30/2022]
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Clinical and laboratory skin biomarkers of organ-specific diseases. Mech Ageing Dev 2019; 177:144-149. [DOI: 10.1016/j.mad.2018.08.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 07/29/2018] [Accepted: 08/13/2018] [Indexed: 12/24/2022]
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Makrantonaki E, Wlaschek M, Scharffetter-Kochanek K. Pathogenesis of wound healing disorders in the elderly. J Dtsch Dermatol Ges 2017; 15:255-275. [PMID: 28252848 DOI: 10.1111/ddg.13199] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Accepted: 12/21/2016] [Indexed: 12/25/2022]
Abstract
The elderly constitute the age group most susceptible to wound healing disorders and chronic wounds, the most prevalent being venous leg ulcers, pressure ulcers, and diabetic foot ulcers. However, other age-associated diseases should also be taken into consideration in the diagnostic workup of chronic wounds, and not be underestimated. A better understanding of the pathomechanisms involved in the wound healing process is of key importance in combatting the difficulties associated with the treatment of chronic wounds. In recent decades, considerable progress has been made in the development of pioneering therapeutic strategies for chronic wounds. In this context, the use of growth factors and cytokines, tissue engineering, and cell therapy - including stem cells - have proven very promising. Nevertheless, prior to their introduction into routine clinical practice, large controlled clinical trials are required to assess the safety of these techniques.
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Affiliation(s)
| | - Meinhard Wlaschek
- Department of Dermatology and Allergic Diseases, University Medical Center Ulm
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Oxidative damage and impairment of protein quality control systems in keratinocytes exposed to a volatile organic compounds cocktail. Sci Rep 2017; 7:10707. [PMID: 28878258 PMCID: PMC5587662 DOI: 10.1038/s41598-017-11088-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Accepted: 08/14/2017] [Indexed: 12/19/2022] Open
Abstract
Compelling evidence suggests that volatile organic compounds (VOCs) have potentially harmful effects to the skin. However, knowledge about cellular signaling events and toxicity subsequent to VOC exposure to human skin cells is still poorly documented. The aim of this study was to focus on the interaction between 5 different VOCs (hexane, toluene, acetaldehyde, formaldehyde and acetone) at doses mimicking chronic low level environmental exposure and the effect on human keratinocytes to get better insight into VOC-cell interactions. We provide evidence that the proteasome, a major intracellular proteolytic system which is involved in a broad array of processes such as cell cycle, apoptosis, transcription, DNA repair, protein quality control and antigen presentation, is a VOC target. Proteasome inactivation after VOC exposure is accompanied by apoptosis, DNA damage and protein oxidation. Lon protease, which degrades oxidized, dysfunctional, and misfolded proteins in the mitochondria is also a VOC target. Using human skin explants we found that VOCs prevent cell proliferation and also inhibit proteasome activity in vivo. Taken together, our findings provide insight into potential mechanisms of VOC-induced proteasome inactivation and the cellular consequences of these events.
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Makrantonaki E, Wlaschek M, Scharffetter-Kochanek K. Pathogenese von Wundheilungsstörungen bei älteren Patienten. J Dtsch Dermatol Ges 2017; 15:255-278. [DOI: 10.1111/ddg.13199_g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Accepted: 12/21/2016] [Indexed: 01/13/2023]
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Abstract
Epithelial senescence is a complex process depending on intrinsic as well as extrinsic factors (e.g., UV or IR light, tobacco smoke) and must be seen in the context of the aging process especially of the corium and the subcutis. Morphological alterations become apparent in the form of epithelial atrophy, structural changes within the basal membrane, and a decrease in cell count of melanocytes and Langerhans cells. Signs of cellular senescence are reduced proliferation of keratinocytes, cumulation of dysplastic keratinocytes, various mutations (e.g., c-Fos/c-Jun, STAT3, FoxO1), as well as multiple lipid or amino acid metabolic aberrations (e.g., production of advanced glycation endproducts). This causes functional changes within the physical (lipid deficiency, water distribution dysfunction, lack of hygroscopic substances), chemical (pH conditions, oxygen radicals), and immunological barrier. Prophylactically, barrier-protective care products, antioxidant substances (e.g., vitamin C, B3, E, polyphenols, flavonoids), sunscreen products/measurements, and retinoids are used. For correcting alterations in aged epidermis, chemical peelings (fruit acids, β-hydroxy acid, trichloroacetic acid, phenolic compounds), non-ablative (IPL, PDL, Nd:YAG) as well as ablative (CO2, Erbium-YAG) light-assisted methods are used.
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Affiliation(s)
- J Wohlrab
- Universitätsklinik und Poliklinik für Dermatologie und Venerologie, Martin-Luther-Universität Halle-Wittenberg, Ernst-Grube-Straße 40, 06097, Halle (Saale), Deutschland. .,An-Institut für angewandte Dermatopharmazie, Martin-Luther-Universität Halle-Wittenberg, Halle (Saale), Deutschland.
| | - K Hilpert
- Universitätsklinik und Poliklinik für Dermatologie und Venerologie, Martin-Luther-Universität Halle-Wittenberg, Ernst-Grube-Straße 40, 06097, Halle (Saale), Deutschland
| | - L Wolff
- Universitätsklinik und Poliklinik für Dermatologie und Venerologie, Martin-Luther-Universität Halle-Wittenberg, Ernst-Grube-Straße 40, 06097, Halle (Saale), Deutschland
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