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Adamiak K, Gaida VA, Schäfer J, Bosse L, Diemer C, Reiter RJ, Slominski AT, Steinbrink K, Sionkowska A, Kleszczyński K. Melatonin/Sericin Wound Healing Patches: Implications for Melanoma Therapy. Int J Mol Sci 2024; 25:4858. [PMID: 38732075 PMCID: PMC11084828 DOI: 10.3390/ijms25094858] [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: 03/28/2024] [Revised: 04/19/2024] [Accepted: 04/26/2024] [Indexed: 05/13/2024] Open
Abstract
Melatonin and sericin exhibit antioxidant properties and may be useful in topical wound healing patches by maintaining redox balance, cell integrity, and regulating the inflammatory response. In human skin, melatonin suppresses damage caused by ultraviolet radiation (UVR) which involves numerous mechanisms associated with reactive oxygen species/reactive nitrogen species (ROS/RNS) generation and enhancing apoptosis. Sericin is a protein mainly composed of glycine, serine, aspartic acid, and threonine amino acids removed from the silkworm cocoon (particularly Bombyx mori and other species). It is of interest because of its biodegradability, anti-oxidative, and anti-bacterial properties. Sericin inhibits tyrosinase activity and promotes cell proliferation that can be supportive and useful in melanoma treatment. In recent years, wound healing patches containing sericin and melatonin individually have attracted significant attention by the scientific community. In this review, we summarize the state of innovation of such patches during 2021-2023. To date, melatonin/sericin-polymer patches for application in post-operational wound healing treatment has been only sparingly investigated and it is an imperative to consider these materials as a promising approach targeting for skin tissue engineering or regenerative dermatology.
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Affiliation(s)
- Katarzyna Adamiak
- Department of Biomaterials and Cosmetic Chemistry, Faculty of Chemistry, Nicolaus Copernicus University, Gagarin 7, 87-100 Toruń, Poland; (K.A.); (A.S.)
| | - Vivian A. Gaida
- Department of Dermatology, University of Münster, Von-Esmarch-Str. 58, 48149 Münster, Germany; (V.A.G.); (J.S.); (L.B.); (C.D.); (K.S.)
| | - Jasmin Schäfer
- Department of Dermatology, University of Münster, Von-Esmarch-Str. 58, 48149 Münster, Germany; (V.A.G.); (J.S.); (L.B.); (C.D.); (K.S.)
| | - Lina Bosse
- Department of Dermatology, University of Münster, Von-Esmarch-Str. 58, 48149 Münster, Germany; (V.A.G.); (J.S.); (L.B.); (C.D.); (K.S.)
| | - Clara Diemer
- Department of Dermatology, University of Münster, Von-Esmarch-Str. 58, 48149 Münster, Germany; (V.A.G.); (J.S.); (L.B.); (C.D.); (K.S.)
| | - Russel J. Reiter
- Department of Cell Systems and Anatomy, Long School of Medicine, UT Health, San Antonio, TX 78229, USA;
| | - Andrzej T. Slominski
- Department of Dermatology, Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA;
- Pathology and Laboratory Medicine Service, VA Medical Center, Birmingham, AL 35294, USA
| | - Kerstin Steinbrink
- Department of Dermatology, University of Münster, Von-Esmarch-Str. 58, 48149 Münster, Germany; (V.A.G.); (J.S.); (L.B.); (C.D.); (K.S.)
| | - Alina Sionkowska
- Department of Biomaterials and Cosmetic Chemistry, Faculty of Chemistry, Nicolaus Copernicus University, Gagarin 7, 87-100 Toruń, Poland; (K.A.); (A.S.)
| | - Konrad Kleszczyński
- Department of Dermatology, University of Münster, Von-Esmarch-Str. 58, 48149 Münster, Germany; (V.A.G.); (J.S.); (L.B.); (C.D.); (K.S.)
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Cui H, Feng C, Guo C, Bu X, Li X, Zhang T, Cheng S, Duan Z. Research on the anti-aging efficacy of fermented lysate VHProbi® MixA as the functional skincare ingredient. J Appl Microbiol 2024; 135:lxad274. [PMID: 37977853 DOI: 10.1093/jambio/lxad274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 09/25/2023] [Accepted: 11/16/2023] [Indexed: 11/19/2023]
Abstract
AIMS This study aimed to investigate the efficacy of a cream containing VHProbi® MixA for improving skin aging. METHODS AND RESULTS In vitro studies demonstrated that the lysate produced from Lacticaseibacillus paracasei E12 (E12) exhibited immunoregulatory effects in a 3D skin model, with significant reductions in levels of interleukin (IL)-1α, IL-1β, and IL-8 (P < 0.05) compared with the control group. In addition, the lysate of E12 mitigated the hydrogen peroxide-induced mortality of 3D skin cells and enhanced the transepithelial electrical resistance to show significant differences in comparison with control (P < 0.05), suggesting favorable antioxidant effects. The antioxidant capacity of the lysate of E12 was also confirmed using the Caenorhabditis elegans N2 model. C. elegans N2 fed the E12 strain showed a significantly higher % survival than those fed Escherichia coli OP50 (P < 0.05). Subsequently, VHProbi® MixA was formulated using the fermented lysates of E12, Lactiplantibacillus plantarum E15, and Limosilactobacillus reuteri E18. In a clinical study to ascertain if a cream containing VHProbi® MixA could improve the skin aging trends, participants were asked to use the investigational products for 60 days, and six indicators, transepidermal water loss (TEWL), hydration, elasticity, wrinkles, skin texture (roughness), and pores were measured at baseline and the endpoint of the study. A self-evaluation questionnaire analysis was also provided. TEWL, wrinkles, skin texture, and thickness of pores decreased significantly after treatment with the cream for 60 days (P < 0.01), whereas hydration and elasticity increased significantly (P < 0.01), in comparison to the baseline measurements. CONCLUSIONS We hypothesize that the use of the cream containing VHProbi® MixA could be favorable for skin anti-aging management.
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Affiliation(s)
- Hongchang Cui
- Qingdao Vland Biotech Group Co., Ltd., Laoshan District, Qingdao 266102, China
| | - Congrui Feng
- Qingdao Vland Biotech Group Co., Ltd., Laoshan District, Qingdao 266102, China
| | - Chaoqun Guo
- Qingdao Vland Biotech Group Co., Ltd., Laoshan District, Qingdao 266102, China
| | - Xinping Bu
- Qingdao Vland Biotech Group Co., Ltd., Laoshan District, Qingdao 266102, China
| | - Xinping Li
- Qingdao Vland Biotech Group Co., Ltd., Laoshan District, Qingdao 266102, China
| | - Tao Zhang
- Qingdao Vland Biotech Group Co., Ltd., Laoshan District, Qingdao 266102, China
| | - Sidao Cheng
- Qingdao Vland Biotech Group Co., Ltd., Laoshan District, Qingdao 266102, China
| | - Zhi Duan
- Qingdao Vland Biotech Group Co., Ltd., Laoshan District, Qingdao 266102, China
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Khatoon M, Kushwaha P, Usmani S, Madan K. Dermaceutical Utilization of Nigella sativa Seeds: Applications and Opportunities. Drug Res (Stuttg) 2024; 74:5-17. [PMID: 38016656 DOI: 10.1055/a-2196-1815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
Skin diseases have recently become a major concern among people of all ages due to their highly visible symptoms and persistent and difficult treatment, which significantly impact their quality of life. Nigella sativa seeds, also known as "black seeds" or "kalonji," are one of the most commonly used herbal medicines due to their wide range of biological and pharmacological activities. It contains a wide range of bioactive constituents found in both fixed and essential oils. It has been used for hundreds of years as an alternative ethnomedicine to treat a wide range of skin conditions. N. sativa's dermatological applications in skin diseases are attributed to its potent antioxidant, anti-inflammatory, antimicrobial, and immunomodulatory properties, making it an intriguing skincare candidate. Several studies unravelled positive results associated with N. sativa on skin diseases. As N. sativa is the most studied medicinal plant, several preclinical and clinical studies have been conducted to establish its use in the treatment of various skin diseases. Thymoquinone has anti-inflammatory, antioxidant, and antibacterial properties, which mainly contributed to the treatment of skin diseases. In this context, the present review explores all the available studies on the association of N. sativa and its effect on treating skin diseases in light of recent studies and patents supporting its therapeutic applications.
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Affiliation(s)
| | | | - Shazia Usmani
- Faculty of Pharmacy, Integral University, Lucknow, India
| | - Kumud Madan
- Sharda University, Greater Noida, Uttar Pradesh, India
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Kim S. LncRNA-miRNA-mRNA regulatory networks in skin aging and therapeutic potentials. Front Physiol 2023; 14:1303151. [PMID: 37881693 PMCID: PMC10597623 DOI: 10.3389/fphys.2023.1303151] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 10/02/2023] [Indexed: 10/27/2023] Open
Abstract
Skin aging is a complex process influenced by intrinsic and extrinsic factors. Although dermatology offers advanced interventions, molecular mechanisms in skin aging remain limited. Competing endogenous RNAs (ceRNAs), a subset of coding or non-coding RNAs, regulate gene expression through miRNA competition. Several ceRNA networks investigated up to now offer insights into skin aging and wound healing. In skin aging, RP11-670E13.6-miR-663a-CDK4/CD6 delays senescence induced by UVB radiation. Meg3-miR-93-5p-epiregulin contributes to UVB-induced inflammatory skin damage. Predicted ceRNA networks reveal UVA-induced photoaging mechanisms. SPRR2C sequesters miRNAs in epidermal aging-associated alteration of calcium gradient. H19-miR-296-5p-IGF2 regulates dermal fibroblast senescence. PVT1-miR-551b-3p-AQP3 influences skin photoaging. And bioinformatics analyses identify critical genes and compounds for skin aging interventions. In skin wound healing, MALAT1-miR-124 aids wound healing by activating the Wnt/β-catenin pathway. Hair follicle MSC-derived H19 promotes wound healing by inhibiting pyroptosis. And the SAN-miR-143-3p-ADD3 network rejuvenates adipose-derived mesenchymal stem cells in wound healing. Thus, ceRNA networks provide valuable insights into the molecular underpinnings of skin aging and wound healing, offering potential therapeutic strategies for further investigation. This comprehensive review serves as a foundational platform for future research endeavors in these crucial areas of dermatology.
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Affiliation(s)
- Sungchul Kim
- Center for RNA Research, Institute for Basic Science, Seoul, Republic of Korea
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Sakuraba K, Kojima Y, Terahara T, Kuma H, Tokudome Y. Non-invasive Microneedle Application Increases Ceramide and Natural Moisturizing Factors in a Reconstructed Human Skin Model. Biol Pharm Bull 2023; 46:1310-1315. [PMID: 37518093 DOI: 10.1248/bpb.b23-00294] [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] [Indexed: 08/01/2023]
Abstract
Recently, microneedling as a cosmetic product has attracted attention as one way to improve skin barrier function and moisturizing function to reduce wrinkle formation. However, some cases of erythema and edema have been reported as side effects. In order to develop safer microneedle cosmetics, we investigated whether microneedles can improve skin barrier function and moisturizing function even when applied in a non-invasive manner that does not penetrate the stratum corneum. We established the condition of non-penetrating microneedle application on reconstructed human full-thickness skin models and examined the effect on the skin models when microneedles were applied under this condition. Microneedle application increased the gene expression of serine palmitoyltransferase long chain base subunit (SPTLC) 3, filaggrin, and transglutaminase 1. The amount of ceramide produced by SPTLC was also increased by microneedle application. Gene expression of filaggrin-degrading enzymes and the amount of free amino acids, a product of filaggrin degradation, were also increased by microneedling. These results suggest that non-invasive microneedle application can improve skin barrier function and moisturizing function by increasing the amount of ceramide and natural moisturizing factors.
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Affiliation(s)
- Kota Sakuraba
- Basic Research Laboratories, R&D Division, Hisamitsu Pharmaceutical Co., Inc
| | - Yukio Kojima
- Basic Research Laboratories, R&D Division, Hisamitsu Pharmaceutical Co., Inc
| | | | - Hidekazu Kuma
- Basic Research Laboratories, R&D Division, Hisamitsu Pharmaceutical Co., Inc
| | - Yoshihiro Tokudome
- Laboratory of Cosmetic Sciences, Regional Innovation Center, Saga University
- Laboratory of Cosmetic Sciences, Graduate School of Advanced Health Sciences, Saga University
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Mirata S, Asnaghi V, Chiantore M, Salis A, Benvenuti M, Damonte G, Scarfì S. Photoprotective and Anti-Aging Properties of the Apical Frond Extracts from the Mediterranean Seaweed Ericaria amentacea. Mar Drugs 2023; 21:306. [PMID: 37233500 PMCID: PMC10224410 DOI: 10.3390/md21050306] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 05/11/2023] [Accepted: 05/12/2023] [Indexed: 05/27/2023] Open
Abstract
There is a growing interest in using brown algal extracts thanks to the bioactive substances they produce for adaptation to the marine benthic environment. We evaluated the anti-aging and photoprotective properties of two types of extracts (50%-ethanol and DMSO) obtained from different portions, i.e., apices and thalli, of the brown seaweed, Ericaria amentacea. The apices of this alga, which grow and develop reproductive structures during summer when solar radiation is at its peak, were postulated to be rich in antioxidant compounds. We determined the chemical composition and pharmacological effects of their extracts and compared them to the thallus-derived extracts. All the extracts contained polyphenols, flavonoids and antioxidants and showed significant biological activities. The hydroalcoholic apices extracts demonstrated the highest pharmacological potential, likely due to the higher content of meroditerpene molecular species. They blocked toxicity in UV-exposed HaCaT keratinocytes and L929 fibroblasts and abated the oxidative stress and the production of pro-inflammatory cytokines, typically released after sunburns. Furthermore, the extracts showed anti-tyrosinase and anti-hydrolytic skin enzyme activity, counteracting the collagenase and hyaluronidase degrading activities and possibly slowing down the formation of uneven pigmentation and wrinkles in aging skin. In conclusion, the E. amentacea apices derivatives constitute ideal components for counteracting sunburn symptoms and for cosmetic anti-aging lotions.
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Affiliation(s)
- Serena Mirata
- Department of Experimental Medicine (DIMES), Biochemistry Section, University of Genova, 16132 Genova, Italy; (S.M.); (A.S.); (M.B.); (G.D.)
- Centro 3R, Interuniversity Center for the Promotion of the Principles of the 3Rs in Teaching and Research, 56122 Pisa, Italy
| | - Valentina Asnaghi
- Department of Earth, Environment and Life Sciences (DISTAV), University of Genova, 16132 Genova, Italy; (V.A.); (M.C.)
- National Biodiversity Future Center (NBFC), 90133 Palermo, Italy
| | - Mariachiara Chiantore
- Department of Earth, Environment and Life Sciences (DISTAV), University of Genova, 16132 Genova, Italy; (V.A.); (M.C.)
- National Biodiversity Future Center (NBFC), 90133 Palermo, Italy
| | - Annalisa Salis
- Department of Experimental Medicine (DIMES), Biochemistry Section, University of Genova, 16132 Genova, Italy; (S.M.); (A.S.); (M.B.); (G.D.)
| | - Mirko Benvenuti
- Department of Experimental Medicine (DIMES), Biochemistry Section, University of Genova, 16132 Genova, Italy; (S.M.); (A.S.); (M.B.); (G.D.)
| | - Gianluca Damonte
- Department of Experimental Medicine (DIMES), Biochemistry Section, University of Genova, 16132 Genova, Italy; (S.M.); (A.S.); (M.B.); (G.D.)
| | - Sonia Scarfì
- Centro 3R, Interuniversity Center for the Promotion of the Principles of the 3Rs in Teaching and Research, 56122 Pisa, Italy
- Department of Earth, Environment and Life Sciences (DISTAV), University of Genova, 16132 Genova, Italy; (V.A.); (M.C.)
- National Biodiversity Future Center (NBFC), 90133 Palermo, Italy
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Jayawardhana HHACK, Jayawardena TU, Sanjeewa KKA, Liyanage NM, Nagahawatta DP, Lee HG, Kim JI, Jeon YJ. Marine Algal Polyphenols as Skin Protective Agents: Current Status and Future Prospectives. Mar Drugs 2023; 21:md21050285. [PMID: 37233479 DOI: 10.3390/md21050285] [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: 03/31/2023] [Revised: 04/25/2023] [Accepted: 04/28/2023] [Indexed: 05/27/2023] Open
Abstract
The skin is the outermost anatomical barrier, which plays a vital role in the maintenance of internal homeostasis and protection against physical, chemical, and biological detractors. Direct contact with various stimuli leads to several physiological changes that are ultimately important for the growth of the cosmetic industry. Due to the consequences of using synthetic compounds in skincare and cosmeceutical-related industries, the pharmaceutical and scientific communities have recently shifted their focus to natural ingredients. The nutrient-rich value of algae, which are some of the most interesting organisms in marine ecosystems, has attracted attention. Secondary metabolites isolated from seaweeds are potential candidates for a wide range of economic applications, including food, pharmaceuticals, and cosmetics. An increasing number of studies have focused on polyphenol compounds owing to their promising biological activities against oxidation, inflammation, allergies, cancers, melanogenesis, aging, and wrinkles. This review summarizes the potential evidence of the beneficial properties and future perspectives of using marine macroalgae-derived polyphenolic compounds for advancing the cosmetic industry.
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Affiliation(s)
- H H A C K Jayawardhana
- Department of Marine Life Sciences, Jeju National University, Jeju 690-756, Republic of Korea
| | - Thilina U Jayawardena
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, QC G8Z 4M3, Canada
| | - K K A Sanjeewa
- Faculty of Technology, University of Sri Jayewardenepura, Nugegoda 10250, Sri Lanka
| | - N M Liyanage
- Department of Marine Life Sciences, Jeju National University, Jeju 690-756, Republic of Korea
| | - D P Nagahawatta
- Department of Marine Life Sciences, Jeju National University, Jeju 690-756, Republic of Korea
| | - Hyo-Geun Lee
- Department of Marine Life Sciences, Jeju National University, Jeju 690-756, Republic of Korea
| | - Jae-Il Kim
- Department of Food Science and Nutrition, Pukyong National University, Busan 608-737, Republic of Korea
| | - You-Jin Jeon
- Department of Marine Life Sciences, Jeju National University, Jeju 690-756, Republic of Korea
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Bioactive Peptides from Skipjack Tuna Cardiac Arterial Bulbs (II): Protective Function on UVB-Irradiated HaCaT Cells through Antioxidant and Anti-Apoptotic Mechanisms. Mar Drugs 2023; 21:md21020105. [PMID: 36827146 PMCID: PMC9962892 DOI: 10.3390/md21020105] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/30/2023] [Accepted: 01/30/2023] [Indexed: 02/04/2023] Open
Abstract
The aim of this study was to investigate the protective function and mechanism of TCP3 (PKK), TCP6 (YEGGD) and TCP9 (GPGLM) from skipjack tuna cardiac arterial bulbs on skin photoaging using UVB-irradiated HaCaT cell model. The present results indicated that TCP3 (PKK), TCP6 (YEGGD) and TCP9 (GPGLM) had significant cytoprotective effect on UVB-irradiated HaCaT cells (p < 0.001). Hoechst 33342 staining showed that apoptosis of UV-irradiated HaCaT cells could be significantly reduced by the treatment of TCP3 (PKK), TCP6 (YEGGD) and TCP9 (GPGLM); JC-1 staining showed that TCP3 (PKK), TCP6 (YEGGD) and TCP9 (GPGLM) could protect HaCaT cells from apoptosis by restoring mitochondrial membrane potential (MMP); Furthermore, TCP3 (PKK), TCP6 (YEGGD) and TCP9 (GPGLM) could significantly down-regulate the ratio of Bax/Bcl-2 and reduce the expression level of the apoptosis-executing protein Caspase-3 by decreasing the expression of protein Caspase-8 and Caspase-9 (p < 0.05). The action mechanism indicated that TCP3 (PKK), TCP6 (YEGGD) and TCP9 (GPGLM) could up-regulate the expression levels of Nrf2, NQO1 and HO-1 (p < 0.05), which further increased the activity of downstream proteases (SOD, CAT and GSH-Px), and scavenged reactive oxygen species (ROS) and decreased the intracellular levels of malondialdehyde (MDA). In addition, molecular docking indicated that TCP3 (PKK) and TCP6 (YEGGD) could competitively inhibit the Nrf2 binding site because they can occupy the connection site of Nrf2 by binding to the Kelch domain of Keap1 protein. TCP9 (GPGLM) was inferred to be non-competitive inhibition because it could not bind to the active site of the Kelch domain of Keap1 protein. In summary, the antioxidant peptides TCP3 (PKK), TCP6 (YEGGD) and TCP9 (GPGLM) from cardiac arterial bulbs of skipjack tuna can effectively protect HaCaT cells from UVB-irradiated damage and can be used in the development of healthy and cosmetic products to treat diseases caused by UV radiation.
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Halim HH, Pak Dek MS, Hamid AA, Saari N, Mohd Lazim MI, Abas F, Ngalim A, Ismail A, Jaafar AH. Novel sources of bioactive compounds in coconut (Cocos nucifera L.) water from different maturity levels and varieties as potent skin anti-aging strategies and anti-fatigue agents. FOOD BIOSCI 2023. [DOI: 10.1016/j.fbio.2022.102326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Liu JK. Natural products in cosmetics. NATURAL PRODUCTS AND BIOPROSPECTING 2022; 12:40. [PMID: 36437391 PMCID: PMC9702281 DOI: 10.1007/s13659-022-00363-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Accepted: 11/11/2022] [Indexed: 05/14/2023]
Abstract
The global cosmetics market reached US$500 billion in 2017 and is expected to exceed US$800 billion by 2023, at around a 7% annual growth rate. The cosmetics industry is emerging as one of the fastest-growing industries of the past decade. Data shows that the Chinese cosmetics market was US$60 billion in 2021. It is expected to be the world's number one consumer cosmetics market by 2050, with a size of approximately US$450 billion. The influence of social media and the internet has raised awareness of the risks associated with the usage of many chemicals in cosmetics and the health benefits of natural products derived from plants and other natural resources. As a result, the cosmetic industry is now paying more attention to natural products. The present review focus on the possible applications of natural products from various biological sources in skin care cosmetics, including topical care products, fragrances, moisturizers, UV protective, and anti-wrinkle products. In addition, the mechanisms of targets for evaluation of active ingredients in cosmetics and the possible benefits of these bioactive compounds in rejuvenation and health, and their potential role in cosmetics are also discussed.
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Affiliation(s)
- Ji-Kai Liu
- Wuhan Institute of Health, Shenzhen Moore Vaporization Health & Medical Technology Co., Ltd., Wuhan, 430074, People's Republic of China.
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan, 430074, People's Republic of China.
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Kim JS, Lee HL, Jeong JH, Yoon YE, Lee IR, Kim JM, Wu C, Lee SJ. OR2AT4, an Ectopic Olfactory Receptor, Suppresses Oxidative Stress-Induced Senescence in Human Keratinocytes. Antioxidants (Basel) 2022; 11:2180. [PMID: 36358552 PMCID: PMC9686838 DOI: 10.3390/antiox11112180] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/25/2022] [Accepted: 10/31/2022] [Indexed: 10/21/2023] Open
Abstract
Olfactory receptors (ORs) are the largest protein superfamily in mammals. Certain ORs are ectopically expressed in extranasal tissues and regulate cell type-specific signal transduction pathways. OR2AT4 is ectopically expressed in skin cells and promotes wound healing and hair growth. As the capacities of wound healing and hair growth decline with aging, we investigated the role of OR2AT4 in the aging and senescence of human keratinocytes. OR2AT4 was functionally expressed in human keratinocytes (HaCaT) and exhibited co-expression with G-protein-coupled receptor signaling components, Golfα and adenylate cyclase 3. The OR2AT4 ligand sandalore modulates the intracellular calcium, inositol phosphate, and cyclic adenosine monophosphate (cAMP) levels. The increased calcium level induced by sandalore was attenuated in cells with OR2AT4 knockdown. OR2AT4 activation by sandalore inhibited the senescent cell phenotypes and restored cell proliferation and Ki-67 expression. Sandalore also inhibited the expression of senescence-associated β-galactosidase and increased p21 expression in senescent HaCaT cells in response to hydrogen peroxide. Additionally, sandalore activated the CaMKKβ/AMPK/mTORC1/autophagy signaling axis and promoted autophagy. OR2AT4 knockdown attenuated the increased in the intracellular calcium level, cell proliferation, and AMPK phosphorylation induced by sandalore. These findings demonstrate that the effects of sandalore are mediated by OR2AT4 activation. Our findings suggest that OR2AT4 may be a novel therapeutic target for anti-aging and anti-senescence in human keratinocytes.
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Affiliation(s)
| | | | | | | | | | | | | | - Sung-Joon Lee
- Department of Biotechnology, Graduate School of Life Science & Biotechnology, College of Life Science and Biotechnology, Korea University, Seoul 02841, Korea
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12
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Markiewicz E, Idowu OC. Evaluation of Personalized Skincare Through in-silico Gene Interactive Networks and Cellular Responses to UVR and Oxidative Stress. Clin Cosmet Investig Dermatol 2022; 15:2221-2243. [PMID: 36284733 PMCID: PMC9588296 DOI: 10.2147/ccid.s383790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 10/13/2022] [Indexed: 11/07/2022]
Abstract
Purpose Personalized approaches in dermatology are designed to match the specific requirements based on the individual genetic makeup. One major factor accounting for the differences in skin phenotypes is single nucleotide polymorphism (SNP) within several genes with diverse roles that extend beyond skin tone and pigmentation. Therefore, the cellular sensitivities to the environmental stress and damage linked to extrinsic aging could also underlie the individual characteristics of the skin and dictate the unique skin care requirements. This study aimed to identify the likely biomarkers and molecular signatures expressed in skin cells of different ethnic backgrounds, which could aid further the design of personalized skin products based on specific demands. Methods Using data mining and in-silico modeling, the association of SNP-affected genes with three major skin types of European, Asian and African origin was analyzed and compared within the structure-function gene interaction networks. Cultured dermal fibroblasts were subsequently subjected to ultraviolet radiation and oxidative stress and analyzed for DNA damage and senescent markers. The protective applications of two cosmetic ingredients, Resveratrol and Quercetin, were validated in both cellular and in-silico models. Results Each skin type was characterized by the presence of SNPs in the genes controlling facultative and constitutive pigmentation, which could also underlie the major differences in responses to photodamage, such as oxidative stress, inflammation, and barrier homeostasis. Skin-type-specific dermal fibroblasts cultured in-vitro demonstrated distinctive sensitivities to ultraviolet radiation and oxidative stress, which could be modulated further by the bioactive compounds with the predicted capacities to interact with some of the genes in the in-silico models. Conclusion Evaluation of the SNP-affected gene networks and likely sensitivities of skin cells, defined as low threshold levels to extrinsic stress factors, can provide a valuable tool for the design and formulation of personalized skin products that match more accurately diverse ethnic backgrounds.
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Affiliation(s)
- Ewa Markiewicz
- Hexis Lab, The Catalyst, Newcastle Helix, Newcastle upon Tyne, UK
| | - Olusola C Idowu
- Hexis Lab, The Catalyst, Newcastle Helix, Newcastle upon Tyne, UK,Correspondence: Olusola C Idowu, HexisLab Limited, The Catalyst, Newcastle Helix, Newcastle upon Tyne, NE4 5TG, UK, Tel +44 1394 825487, Email
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Markiewicz E, Jerome J, Mammone T, Idowu OC. Anti-Glycation and Anti-Aging Properties of Resveratrol Derivatives in the in-vitro 3D Models of Human Skin. Clin Cosmet Investig Dermatol 2022; 15:911-927. [PMID: 35615726 PMCID: PMC9126233 DOI: 10.2147/ccid.s364538] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 05/03/2022] [Indexed: 01/03/2023]
Abstract
Purpose Human skin undergoes modifications affecting its structural properties and barrier functions involved in protection against age-related damage. Glycation is a non-enzymatic reaction between macromolecules and sugars causing alterations to the elastic fibers and premature aging of the skin. Glycation can be prevented by a range of bioactive molecules; however, at present only a few of them are validated for inclusion in cosmetic products. There is also a demand for reproducible in-vitro assays demonstrating the anti-aging effect of compounds on the skin. This study aimed to define the potential targets for screening and validation of anti-glycation activity of novel cosmetic candidates from natural products and to provide a plausible mechanism for their anti-aging potential based on 3D skin models. Methods Dermal fibroblasts and 3D skin models were treated with glycation agent and topical applications of Resveratrol derivatives. The samples were analyzed for advanced glycation end products (AGEs) alongside an organization of elastic fibers and expression of proliferative, senescence, and oxidative stress markers by autofluorescence, immunocytochemistry and quantitative assays. Results Accumulation of AGEs in the 3D skin model is associated with reduced stratification of the epidermis and re-organization of the collagen in the upper, cell-dense layer of the dermis. Treatment of dermal fibroblasts with Resveratrol, OxyResveratrol, Piceatannol, and Triacetyl Resveratrol ameliorates the effects of glycation consistent with cellular aging. Subsequent topical application of the compounds in skin models results in a reduction in glycation-induced AGEs, an increase in collagen expression and a stratification of the epidermis. Conclusion Glycation could result in age-related alterations in the structural and cellular organizations of the superficial layers of the skin, which can be restored by Resveratrol derivatives, pointing to their promising capacities as bioactive ingredients in cosmetic products. Insight into the potential parameters affected by skin glycation could also serve as a reference for screening the bioactive molecules for cosmetic purposes.
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Affiliation(s)
- Ewa Markiewicz
- Hexis Lab Limited, The Catalyst, Newcastle Helix, Newcastle upon Tyne, UK
| | - Jaimie Jerome
- Estee Lauder Research Laboratories, Melville, NY, USA
| | | | - Olusola C Idowu
- Hexis Lab Limited, The Catalyst, Newcastle Helix, Newcastle upon Tyne, UK
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The histopathological findings in excised upper eyelids of patients with dermatochalasis following collagen cross-linking treatment. Graefes Arch Clin Exp Ophthalmol 2022; 260:2737-2743. [PMID: 35294639 DOI: 10.1007/s00417-022-05629-2] [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: 12/27/2021] [Revised: 03/01/2022] [Accepted: 03/10/2022] [Indexed: 11/04/2022] Open
Abstract
PURPOSE To evaluate the histopathological effects of collagen cross-linking (CCL) on excised skin samples of patients undergoing upper eyelid blepharoplasty due to dermatochalasis. METHODS This study examined 74 excised eyelid skin samples from 37 dermatochalasis patients. Following an upper eyelid blepharoplasty, CCL with hypotonic riboflavin (0.1%) was applied. Both treated (right eyelid, CCL group) and untreated eyelid specimen (left eyelid, non-CCL group) sections were stained with hematoxylin-eosin and Masson's trichrome. The sections were evaluated for the following parameters: the collagen status (parallel, oblique, and perpendicular), the distance between collagen fibers, the diameter of collagen fibers, and the length of collagen fibers. RESULTS There were no statistically significant differences in the collagen status, the distance between collagen fibers, the diameter of collagen fibers, and the length of collagen fibers between the CCL and non-CCL groups (p > 0.05 for all). Although the lack of statistically significant differences, the structure of the treated eyelid collagen fibers was more parallel in 48% of the participants than in the untreated ones. For male patients, a statistically significant shorter distance between collagen fibers was observed in the CCL group (8.05 ± 2.04 µm) compared to the non-CCL group (9.97 ± 2.33 µm) (p = 0.042). CONCLUSION In this study, more parallel collagen structures and tightly packed collagen fibers were detected in eyelid samples following CCL treatment. The authors note that the results of this study may be promising for further research, so the effect of CCL therapy on the eyelid may be an interesting subject for the treatment of non-severe or surgically inadequately corrected dermatochalasis.
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15
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Molina-García M, Granger C, Trullàs C, Puig S. Exposome and Skin: Part 1. Bibliometric Analysis and Review of the Impact of Exposome Approaches on Dermatology. Dermatol Ther (Heidelb) 2022; 12:345-359. [PMID: 35112325 PMCID: PMC8850514 DOI: 10.1007/s13555-021-00680-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Indexed: 02/06/2023] Open
Abstract
Introduction Most skin disorders, such as atopic dermatitis, psoriasis, skin cancer or age-related skin issues, are the result of a complex interaction between genetic and environmental factors over time. As an external organ, the skin provides the opportunity to study the link between exposure to the environment and several specific biological responses using an exposome approach. The aim of this review was to identify the state of the art of exposome approaches and elucidate the impact of the new era of exposomics on dermatology. Methods Two parallel and independent bibliometric analyses were conducted based on documents extracted from the Core Collection and the Science Citation Index Expanded (SCI-Expanded) databases from the Clarivate Analytics’ Web of Science (WOS) platform by using the following search terms “exposome” and “skin exposome”. In both searches, we used the topic field that includes title, abstract, author keywords and keywords plus terms and the following filters: “English language” and all documents published up to 30 September 2021. We further analysed and interpreted documents extracted in plain text format. Results Based on the defined searches, 910 documents were identified as being related to “exposome” and 45 as being related to “skin exposome”. Environmental sciences and toxicology were the most impacted research areas, and aging, cancer and respiratory allergies were the most documented diseases while, surprisingly, dermatology was much less impacted. Krutmann et al. were the pioneers in implementing this new concept in dermatology with publication of “The skin aging exposome” in 2017 (J Dermatol Sci. 2017;85:152–61). After this tipping point, the number of publications in dermatology evaluating the impact of exposome factors in many skin disorders has steadily increased. Conclusions Exposome studies are rapidly attracting interest in dermatology. The results of these studies will undoubtedly improve our understanding of why and under which circumstances some individuals develop skin disorders and help design tailored prevention strategies for patients suffering from these disorders.
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Affiliation(s)
- Manuel Molina-García
- School of Medicine and Health Science, University of Barcelona (UB), 143 Casanova, 08036, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Melanoma Unit, Dermatology Department, Hospital Clinic of Barcelona, Villarroel 170, 08036, Barcelona, Spain
| | - Corinne Granger
- Innovation and Development, ISDIN, S.A., 33 Provençals, 08019, Barcelona, Spain
| | - Carles Trullàs
- Innovation and Development, ISDIN, S.A., 33 Provençals, 08019, Barcelona, Spain
| | - Susana Puig
- School of Medicine and Health Science, University of Barcelona (UB), 143 Casanova, 08036, Barcelona, Spain. .,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain. .,Melanoma Unit, Dermatology Department, Hospital Clinic of Barcelona, Villarroel 170, 08036, Barcelona, Spain. .,Centro de Investigación en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, Barcelona, Spain.
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Milosheska D, Roškar R. Use of Retinoids in Topical Antiaging Treatments: A Focused Review of Clinical Evidence for Conventional and Nanoformulations. Adv Ther 2022; 39:5351-5375. [PMID: 36220974 PMCID: PMC9618501 DOI: 10.1007/s12325-022-02319-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 09/06/2022] [Indexed: 01/30/2023]
Abstract
Nowadays, numerous skincare routines are used to rejuvenate aging skin. Retinoids are one of the most popular ingredients used in antiaging treatments. Among the representatives of retinoids, tretinoin is considered the most effective agent with proven antiaging effects on the skin and can be found in formulations approved as medicines for topical treatment of acne, facial wrinkles, and hyperpigmentation. Other retinoids present in topical medicines are used for various indications, but only tazarotene is also approved as adjunctive agent for treatment of facial fine wrinkling and pigmentation. The most commonly used retinoids such as retinol, retinaldehyde, and retinyl palmitate are contained in cosmeceuticals regulated as cosmetics. Since clinical efficacy studies are not required for marketing cosmetic formulations, there are concerns about the efficacy of these retinoids. From a formulation perspective, retinoids pose a challenge to researchers as a result of their proven instability, low penetration, and potential for skin irritation. Therefore, novel delivery systems based on nanotechnology are being developed to overcome the limitations of conventional formulations and improve user compliance. In this review, the clinical evidence for retinoids in conventional and nanoformulations for topical antiaging treatments was evaluated. In addition, an overview of the comparison clinical trials between tretinoin and other retinoids is presented. In general, there is a lack of evidence from properly designed clinical trials to support the claimed efficacy of the most commonly used retinoids as antiaging agents in cosmeceuticals. Of the other retinoids contained in medicines, tazarotene and adapalene have clinically evaluated antiaging effects compared to tretinoin and may be considered as potential alternatives for antiaging treatments. The promising potential of retinoid nanoformulations requires a more comprehensive evaluation with additional studies to support the preliminary findings.
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Affiliation(s)
| | - Robert Roškar
- University of Ljubljana, Faculty of Pharmacy, Aškerčeva cesta 7, 1000, Ljubljana, Slovenia.
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Jing R, Guo K, Zhong Y, Wang L, Zhao J, Gao B, Ye Z, Chen Y, Li X, Xu N, Xuan X. Protective effects of fucoidan purified from Undaria pinnatifida against UV-irradiated skin photoaging. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:1185. [PMID: 34430626 PMCID: PMC8350689 DOI: 10.21037/atm-21-3668] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 07/22/2021] [Indexed: 12/15/2022]
Abstract
Background Exposure to ultraviolet (UV) radiation (UVB and UVA) is the most well-known extrinsic factor that induces skin aging. Fucoidan has been shown to possess antiphotoaging effects against UV irradiation and can be used as an ingredient in the pharmaceutical industry. The present study evaluated the photoprotective effect of fucoidan purified from Undaria pinnatifida (UPF) on UV-induced skin photoaging and explored its potential molecular mechanism. Methods To evaluate the effect of UPF on UV-induced skin aging, HaCaT cells and HFF-1 cells were pretreated with or without UPF and then exposed to UVB and UVA radiation, respectively, and the levels of cellular senescence, reactive oxygen species (ROS) production and mitochondrial dysfunction were evaluated. The mitochondrial ROS (mROS) was stained through MitoSOX, and the confocal microscope was used to capture the images. For further exploration of AMPK/SIRT-1/PGC-1α signaling, western blot was employed. Results The results demonstrated that pretreatment of HaCaT and HFF-1 cells with UPF ameliorated cellular senescence, ROS and mROS overproduction, and mitochondrial dysfunction caused by UV exposure. This research also revealed that UPF could activate the AMPK/SIRT-1/PGC-1α signaling pathway to promote mitochondrial biogenesis. Conclusions UPF can ameliorate UV-induced skin photoaging through inhibition of ROS production via the alleviation of mitochondrial dysfunction by regulating the SIRT-1/PGC-1α signaling pathway.
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Affiliation(s)
- Rongrong Jing
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Keke Guo
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Yulan Zhong
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Lusheng Wang
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Jungang Zhao
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Bingyan Gao
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Ziyi Ye
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Yu Chen
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Xuenan Li
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Nuo Xu
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Xuan Xuan
- Department of Dermatology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
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Abstract
Long life expectancy of populations in the developing world together with some cultural and social issues has driven the need to pay special attention to health and physical appearance. Cosmeceuticals are gaining interest in the cosmetic industry as their uses fulfills a double purpose: the requirements of a cosmetic (clean, perfume, protect, change the appearance of the external parts of the body or keeping them in good condition) with a particular bioactivity function. The cosmetics industry, producing both cosmetics and cosmeceuticals, is currently facing numerous challenges to satisfy different attitudes of consumers (vegetarianism, veganism, cultural or religious concerns, health or safety reasons, eco-friendly process, etc.). A currently growing trend in the market is the interest in products of low environmental impact. Marine origin ingredients are increasingly being incorporated into cosmeceutical preparations because they are able to address several consumer requirements and also due to the wide range of bioactivities they present (antioxidant, whitening, anti-aging, etc.). Many companies claim “Marine” as a distinctive marketing signal; however, only a few indicate whether they use sustainable ingredient sources. Sustainable marine ingredients might be obtained using wild marine biomass through a sustainable extractive fishing activity; by adopting valorization strategies including the use of fish discards and fish by-products; and by sustainably farming and culturing marine organisms.
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Lee AY. Skin Pigmentation Abnormalities and Their Possible Relationship with Skin Aging. Int J Mol Sci 2021; 22:ijms22073727. [PMID: 33918445 PMCID: PMC8038212 DOI: 10.3390/ijms22073727] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/24/2021] [Accepted: 04/01/2021] [Indexed: 12/13/2022] Open
Abstract
Skin disorders showing abnormal pigmentation are often difficult to manage because of their uncertain etiology or pathogenesis. Abnormal pigmentation is a common symptom accompanying aging skin. The association between skin aging and skin pigmentation abnormalities can be attributed to certain inherited disorders characterized by premature aging and abnormal pigmentation in the skin and some therapeutic modalities effective for both. Several molecular mechanisms, including oxidative stress, mitochondrial DNA mutations, DNA damage, telomere shortening, hormonal changes, and autophagy impairment, have been identified as involved in skin aging. Although each of these skin aging-related mechanisms are interconnected, this review examined the role of each mechanism in skin hyperpigmentation or hypopigmentation to propose the possible association between skin aging and pigmentation abnormalities.
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Affiliation(s)
- Ai-Young Lee
- Department of Dermatology, College of Medicine, Dongguk University Ilsan Hospital, 814 Siksa-dong, Ilsandong-gu, Goyang-si 410-773, Gyeonggi-do, Korea
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Phenolic Compounds from Leaves and Flowers of Hibiscus roseus: Potential Skin Cosmetic Applications of an Under-Investigated Species. PLANTS 2021; 10:plants10030522. [PMID: 33802222 PMCID: PMC8000889 DOI: 10.3390/plants10030522] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/06/2021] [Accepted: 03/08/2021] [Indexed: 12/15/2022]
Abstract
The use of plant extracts in skin-care cosmetics is a modern trend due to their richness in polyphenols that act as anti-aging molecules. Hibiscus roseus is a perennial species naturalized in Italy, with beautiful soft pink flowers; its phenolic composition and biological activities have not been studied yet. The aim of this study was to characterize and quantify the phenolics and to evaluate the antioxidant, sun protection factor (SPF), and anti-collagenase activities of the ethanolic extracts of H. roseus leaves (HL) and flowers (HF). p-Coumaric, chlorogenic, and trans-ferulic acids derivatives as well as quercetin and kaempferol flavonoids were the main phenolic compounds detected. Catechin, epicatechin, kaempferol-3-O-rutinoside, kaempferol-3-O-glucoside, kaempferol-7-O-glucoside, tiliroside, oenin, and peonidin-3-O-glucoside were detected only in HF, while phloridzin was exclusive from HL, which also showed greater amounts of hydroxycinnamic acid derivatives. HF was richer in flavonoids and total phenolics, also exhibiting greater antioxidant capacity. The SPF and anti-collagenase activity of both extracts were similar and comparable to those of synthetic standards. The overall results demonstrate that H. roseus extracts are promising sources of bioactive phenolic compounds that could be potentially applied as anti-aging agents in skin-care cosmetics.
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Li X, Yang K, Gao S, Zhao J, Liu G, Chen Y, Lin H, Zhao W, Hu Z, Xu N. Carnosine Stimulates Macrophage-Mediated Clearance of Senescent Skin Cells Through Activation of the AKT2 Signaling Pathway by CD36 and RAGE. Front Pharmacol 2020; 11:593832. [PMID: 33390976 PMCID: PMC7772392 DOI: 10.3389/fphar.2020.593832] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 10/30/2020] [Indexed: 01/10/2023] Open
Abstract
Background: Macrophages can selectively recognize and eliminate senescent cells, but this function is impaired with age, resulting in excessive accumulation of senescent cells in the skin, which ultimately causes skin aging. Therefore, enhancing the immune surveillance ability of macrophages to clear senescent keratinocytes and fibroblasts from aging skin may be an effective skin rejuvenation strategy. Methods: In this study, a macrophage and senescent skin cell co-culture model was established whereby THP-1-derived macrophages and tert-butyl hydroxide-induced senescent skin cells (HaCaT and HFF-1) were grown in the same culture. Senescent skin cells were detected by the SPiDER-βgal assay, and the expression of secretory phenotype factors related to senescence was assayed by qPCR. The effect of carnosine on the number of SA-β-gal positive skin cells in the macrophage-senescent skin cell co-culture was evaluated and compared with that in the senescent skin cell monoculture. Results: Carnosine promoted macrophage-mediated elimination of senescent skin cells in the co-culture. Through the AKT2 signaling pathway, carnosine upregulated the expression of CD36 and receptors for advanced glycation end products and elevated the phagocytic capacity of the macrophages, thereby promoting the ability of the macrophages to eliminate the senescent skin cells. Conclusions: Carnosine could boost the immune surveillance ability of macrophages to clear senescent keratinocytes and fibroblasts in the macrophage-senescent skin cell co-culture by activating the AKT2 signaling pathway, suggesting the possibility of using carnosine as an agent to reverse skin aging.
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Affiliation(s)
- Xuenan Li
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Kaiye Yang
- Infinitus (China) Company Ltd., Guangzhou, China
| | - Shuang Gao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Jungang Zhao
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | | | - Yu Chen
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Haojie Lin
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Wengang Zhao
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Zhenlin Hu
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Nuo Xu
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
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Roig-Rosello E, Rousselle P. The Human Epidermal Basement Membrane: A Shaped and Cell Instructive Platform That Aging Slowly Alters. Biomolecules 2020; 10:biom10121607. [PMID: 33260936 PMCID: PMC7760980 DOI: 10.3390/biom10121607] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/20/2020] [Accepted: 11/23/2020] [Indexed: 12/11/2022] Open
Abstract
One of the most important functions of skin is to act as a protective barrier. To fulfill this role, the structural integrity of the skin depends on the dermal-epidermal junction—a complex network of extracellular matrix macromolecules that connect the outer epidermal layer to the underlying dermis. This junction provides both a structural support to keratinocytes and a specific niche that mediates signals influencing their behavior. It displays a distinctive microarchitecture characterized by an undulating pattern, strengthening dermal-epidermal connectivity and crosstalk. The optimal stiffness arising from the overall molecular organization, together with characteristic anchoring complexes, keeps the dermis and epidermis layers extremely well connected and capable of proper epidermal renewal and regeneration. Due to intrinsic and extrinsic factors, a large number of structural and biological changes accompany skin aging. These changes progressively weaken the dermal–epidermal junction substructure and affect its functions, contributing to the gradual decline in overall skin physiology. Most changes involve reduced turnover or altered enzymatic or non-enzymatic post-translational modifications, compromising the mechanical properties of matrix components and cells. This review combines recent and older data on organization of the dermal-epidermal junction, its mechanical properties and role in mechanotransduction, its involvement in regeneration, and its fate during the aging process.
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Affiliation(s)
- Eva Roig-Rosello
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, UMR 5305, CNRS-Université Lyon 1, SFR BioSciences Gerland-Lyon Sud, 7 Passage du Vercors, 69367 Lyon, France;
- Roger Gallet SAS, 4 rue Euler, 75008 Paris, France
| | - Patricia Rousselle
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, UMR 5305, CNRS-Université Lyon 1, SFR BioSciences Gerland-Lyon Sud, 7 Passage du Vercors, 69367 Lyon, France;
- Correspondence: ; Tel.: +33-472-72-26-39
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Polymeric colloidal nanocarriers entrapped with Centella asiatica extract. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-03681-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Alves A, Sousa E, Kijjoa A, Pinto M. Marine-Derived Compounds with Potential Use as Cosmeceuticals and Nutricosmetics. Molecules 2020; 25:molecules25112536. [PMID: 32486036 PMCID: PMC7321322 DOI: 10.3390/molecules25112536] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 05/22/2020] [Accepted: 05/27/2020] [Indexed: 12/13/2022] Open
Abstract
The cosmetic industry is among the fastest growing industries in the last decade. As the beauty concepts have been revolutionized, many terms have been coined to accompany the innovation of this industry, since the beauty products are not just confined to those that are applied to protect and enhance the appearance of the human body. Consequently, the terms such as cosmeceuticals and nutricosmetics have emerged to give a notion of the health benefits of the products that create the beauty from inside to outside. In the past years, natural products-based cosmeceuticals have gained a huge amount of attention not only from researchers but also from the public due to the general belief that they are harmless. Notably, in recent years, the demand for cosmeceuticals from the marine resources has been exponentially on the rise due to their unique chemical and biological properties that are not found in terrestrial resources. Therefore, the present review addresses the importance of marine-derived compounds, stressing new chemical entities with cosmeceutical potential from the marine natural resources and their mechanisms of action by which these compounds exert on the body functions as well as their related health benefits. Marine environments are the most important reservoir of biodiversity that provide biologically active substances whose potential is still to be discovered for application as pharmaceuticals, nutraceuticals, and cosmeceuticals. Marine organisms are not only an important renewable source of valuable bulk compounds used in cosmetic industry such as agar and carrageenan, which are used as gelling and thickening agents to increase the viscosity of cosmetic formulations, but also of small molecules such as ectoine (to promote skin hydration), trichodin A (to prevent product alteration caused by microbial contamination), and mytiloxanthin (as a coloring agent). Marine-derived molecules can also function as active ingredients, being the main compounds that determine the function of cosmeceuticals such as anti-tyrosinase (kojic acid), antiacne (sargafuran), whitening (chrysophanol), UV protection (scytonemin, mycosporine-like amino acids (MAAs)), antioxidants, and anti-wrinkle (astaxanthin and PUFAs).
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Affiliation(s)
- Ana Alves
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal; (A.A.); (E.S.)
| | - Emília Sousa
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal; (A.A.); (E.S.)
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Universidade do Porto, Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos s/n, 4450-208 Matosinhos, Portugal
| | - Anake Kijjoa
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Universidade do Porto, Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos s/n, 4450-208 Matosinhos, Portugal
- ICBAS-Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
- Correspondence: (A.K.); (M.P.); Tel.: +35-(19)-6609-2514 (M.P.)
| | - Madalena Pinto
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal; (A.A.); (E.S.)
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Universidade do Porto, Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos s/n, 4450-208 Matosinhos, Portugal
- Correspondence: (A.K.); (M.P.); Tel.: +35-(19)-6609-2514 (M.P.)
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Chow HW, Yang CC. Accuracy of Optical Heart Rate Sensing Technology in Wearable Fitness Trackers for Young and Older Adults: Validation and Comparison Study. JMIR Mhealth Uhealth 2020; 8:e14707. [PMID: 32343255 PMCID: PMC7218601 DOI: 10.2196/14707] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 12/08/2019] [Accepted: 02/04/2020] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Wearable fitness trackers are devices that can record and enhance physical activity among users. Recently, photoplethysmography (PPG) devices that use optical heart rate sensors to detect heart rate in real time have become popular and help in monitoring and controlling exercise intensity. Although the benefits of using optical heart rate monitors have been highlighted through studies, the accuracy of the readouts these commercial devices generate has not been widely assessed for different age groups, especially for the East Asian population with Fitzpatrick skin type III or IV. OBJECTIVE This study aimed to examine the accuracy of 2 wearable fitness trackers with PPG to monitor heart rate in real time during moderate exercise in young and older adults. METHODS A total of 20 young adults and 20 older adults were recruited for this study. All participants were asked to undergo a series of sedentary and moderate physical activities using indoor aerobic exercise equipment. In this study, the Polar H7 chest-strapped heart rate monitor was used as the criterion measure in 2 fitness trackers, namely Xiaomi Mi Band 2 and Garmin Vivosmart HR+. The real-time, second-by-second heart rate data obtained from both devices were recorded using the broadcast heart rate mode. To critically analyze the results, multiple statistical parameters including the mean absolute percentage error (MAPE), Lin concordance correlation coefficient (CCC), intraclass correlation coefficient, the Pearson product moment correlation coefficient, and the Bland-Altman coefficient were determined to examine the performances of the devices. RESULTS Both test devices exhibited acceptable overall accuracy as heart rate sensors based on several statistical tests. Notably, the MAPE values were below 10% (the designated threshold) in both devices (GarminYoung=3.77%; GarminSenior=4.73%; XiaomiYoung=7.69%; and XiaomiSenior=6.04%). The scores for reliability test of CCC for Garmin were 0.92 (Young) and 0.80 (Senior), whereas those for Xiaomi were 0.76 (Young) and 0.73 (Senior). However, the results obtained using the Bland-Altman analysis indicated that both test optical devices underestimated the average heart rate. More importantly, the study documented some unexpected outlier readings reported by these devices when used on certain participants. CONCLUSIONS The study reveals that commonly used optical heart rate sensors, such as the ones used herein, generally produce accurate heart rate readings irrespective of the age of the user. However, users should avoid relying entirely on these readings to indicate exercise intensities, as these devices have a tendency to produce erroneous, extreme readings, which might misinterpret the real-time exercise intensity. Future studies should therefore emphasize the occurrence rate of such errors, as this will likely benefit the development of improved models of heart rate sensors.
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Affiliation(s)
- Hsueh-Wen Chow
- Graduate Institute of Physical Education, Health & Leisure Studies, National Cheng Kung University, Tainan City, Taiwan
| | - Chao-Ching Yang
- Graduate Institute of Physical Education, Health & Leisure Studies, National Cheng Kung University, Tainan City, Taiwan
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Turkcu UO, Yuksel N, Akcay E, Ayan B, Kuru O, Edgunlu T, Tosun K. Assessment of COL1A1 and MMP9 expression in patients with dermatochalasis. Int Ophthalmol 2020; 40:1987-1992. [PMID: 32323045 DOI: 10.1007/s10792-020-01373-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 04/10/2020] [Indexed: 11/28/2022]
Abstract
PURPOSE Dermatochalasis is a clinical condition characterized by loss of elasticity of eyelid skin and soft tissue, which typically affects the elderly population. The aim of this study is to investigate the mRNA expression levels of collagen type 1 alpha 1 (COL1A1) and matrix metalloproteinase-9 (MMP9) genes in dermatochalasis tissue. METHODS The study group consisted of 15 patients who underwent upper eyelid blepharoplasty and were above 40 years old. The patients in our control group were divided into two subgroups according to their ages. Fourteen patients who were under 40 years old and had anterior blepharoptosis surgery for blepharoptosis were designed as the young control group. Sixteen patients who were older than 40 years old and had anterior blepharoptosis surgery for blepharoptosis were designed as the old control group. The patients in the dermatochalasis group were also evaluated according to their smoking status. Surgical tissue specimens were analyzed for COL1A1 and MMP9 mRNA gene expression levels by using real-time polymerase chain reaction. RESULTS COL1A1 and MMP9 mRNA gene expression levels were not statistically different between the groups (p = 0.247; p = 0.052, respectively). When compared in means of the smoking habit, smokers in the dermatochalasis group exhibited higher COL1A1 mRNA expression levels when compared to nonsmokers (p = 0.008). MMP9 gene expression levels of smokers exhibited almost statistically higher levels but at the limit when compared to nonsmokers (p = 0.05). CONCLUSIONS This study represents a preliminary study to detect the tissue changes at a molecular level in dermatochalasis, which is known to be related to connective tissue pathology. Collagen and MMPs are essential components of the extracellular matrix, and smoking might affect their gene expression. Further prospective studies on these regulatory genes and encoded protein levels with a larger group of patients may provide particular contribution to explaining the pathophysiology of dermatochalasis.
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Affiliation(s)
- Ummuhani Ozel Turkcu
- Department of Medical Biochemistry, Faculty of Medicine, Mugla Sitki Kocman University, Mugla, Turkey
| | - Nilay Yuksel
- Department of Ophthalmology, Ankara City Hospital, Ankara, Turkey. .,, 170 Gerry Road, Chestnut Hill, MA, 02467, USA.
| | - Emine Akcay
- Department of Ophthalmology, Ankara City Hospital, Ankara, Turkey
| | - Berna Ayan
- Samsun Carsamba State Hospital, Samsun, Turkey
| | - Oktay Kuru
- Faculty of Health Sciences, Mugla Sitki Kocman University, Mugla, Turkey
| | - Tuba Edgunlu
- Department of Medical Biology, Faculty of Medicine, Mugla Sitki Kocman University, Mugla, Turkey
| | - Kursad Tosun
- Department of Biostatistics, Faculty of Medicine, Mugla Sitki Kocman University, Mugla, Turkey
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Bigas J, Sevilla LM, Pérez P. Epidermal Mineralocorticoid Receptor Inactivation Affects the Homeostasis of All Skin Layers in Chronologically Aged Mice. J Invest Dermatol 2020; 140:1899-1908. [PMID: 32199993 DOI: 10.1016/j.jid.2020.03.933] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 02/17/2020] [Accepted: 03/02/2020] [Indexed: 12/26/2022]
Abstract
The increased production of endogenous glucocorticoids (GCs) in the skin of the elderly population contributes to age-related defects strikingly similar to those occurring after pharmacologic treatments with GCs. GCs act through the ligand-dependent transcription factors GC receptor (GR) and mineralocorticoid receptor (MR). We reported that epidermal MR plays nonredundant roles relative to GR in adult mouse skin homeostasis; however, its relative contribution to natural skin aging has not been previously investigated. A 13-month-old MR epidermal knockout (MREKO) mice showed differential features of aging relative to controls (CO) in all skin compartments. MREKO mice were resistant to age-induced epidermal atrophy but showed reduced dermal thickness, with decreased collagen deposition and decreased SMAD2 and 3 activity. Importantly, the dermal white adipose tissue (dWAT) was 2.5-fold enlarged in 13-month MREKO versus CO, featuring adipocyte hyperplasia and hypertrophy at least in part through early increases in Pparg. These changes correlated with compartment-specific alterations in GC signaling. In addition, conditioned medium from MREKO keratinocytes increased adipocyte differentiation, indicating paracrine regulation of adipogenesis through mechanisms that include activation of β-catenin signaling. These findings highlight the importance of epidermal MR in regulating cross-talk among skin compartments in naturally aged skin through GC and β-catenin signaling pathways.
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Affiliation(s)
- Judit Bigas
- Instituto de Biomedicina de Valencia-Consejo Superior de Investigaciones Científicas (IBV-CSIC), Jaime Roig, Valencia, Spain
| | - Lisa M Sevilla
- Instituto de Biomedicina de Valencia-Consejo Superior de Investigaciones Científicas (IBV-CSIC), Jaime Roig, Valencia, Spain
| | - Paloma Pérez
- Instituto de Biomedicina de Valencia-Consejo Superior de Investigaciones Científicas (IBV-CSIC), Jaime Roig, Valencia, Spain.
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Markiewicz E, Idowu OC. DNA damage in human skin and the capacities of natural compounds to modulate the bystander signalling. Open Biol 2019; 9:190208. [PMID: 31847786 PMCID: PMC6936251 DOI: 10.1098/rsob.190208] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 11/19/2019] [Indexed: 12/20/2022] Open
Abstract
Human skin is a stratified organ frequently exposed to sun-generated ultraviolet radiation (UVR), which is considered one of the major factors responsible for DNA damage. Such damage can be direct, through interactions of DNA with UV photons, or indirect, mainly through enhanced production of reactive oxygen species that introduce oxidative changes to the DNA. Oxidative stress and DNA damage also associate with profound changes at the cellular and molecular level involving several cell cycle and signal transduction factors responsible for DNA repair or irreversible changes linked to ageing. Crucially, some of these factors constitute part of the signalling known for the induction of biological changes in non-irradiated, neighbouring cells and defined as the bystander effect. Network interactions with a number of natural compounds, based on their known activity towards these biomarkers in the skin, reveal the capacity to inhibit both the bystander signalling and cell cycle/DNA damage molecules while increasing expression of the anti-oxidant enzymes. Based on this information, we discuss the likely polypharmacology applications of the natural compounds and next-generation screening technologies in improving the anti-oxidant and DNA repair capacities of the skin.
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Barth E, Srivastava A, Stojiljkovic M, Frahm C, Axer H, Witte OW, Marz M. Conserved aging-related signatures of senescence and inflammation in different tissues and species. Aging (Albany NY) 2019; 11:8556-8572. [PMID: 31606727 PMCID: PMC6814591 DOI: 10.18632/aging.102345] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Accepted: 09/27/2019] [Indexed: 12/14/2022]
Abstract
Increasing evidence indicates that chronic inflammation and senescence are the cause of many severe age-related diseases, with both biological processes highly upregulated during aging. However, until now, it has remained unknown whether specific inflammation- or senescence-related genes exist that are common between different species or tissues. These potential markers of aging could help to identify possible targets for therapeutic interventions of aging-associated afflictions and might also deepen our understanding of the principal mechanisms of aging. With the objective of identifying such signatures of aging and tissue-specific aging markers, we analyzed a multitude of cross-sectional RNA-Seq data from four evolutionarily distinct species (human, mouse and two fish) and four different tissues (blood, brain, liver and skin). In at least three different species and three different tissues, we identified several genes that displayed similar expression patterns that might serve as potential aging markers. Additionally, we show that genes involved in aging-related processes tend to be tighter controlled in long-lived than in average-lived individuals. These observations hint at a general genetic level that affect an individual’s life span. Altogether, this descriptive study contributes to a better understanding of common aging signatures as well as tissue-specific aging patterns and supplies the basis for further investigative age-related studies.
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Affiliation(s)
- Emanuel Barth
- Bioinformatics/High Throughput Analysis, Faculty of Mathematics and Computer Science, Friedrich Schiller University Jena, Jena, Germany.,FLI Leibniz Institute for Age Research, Jena, Germany
| | - Akash Srivastava
- Hans Berger Department of Neurology, Jena University Hospital, Jena, Germany
| | - Milan Stojiljkovic
- Hans Berger Department of Neurology, Jena University Hospital, Jena, Germany
| | - Christiane Frahm
- Hans Berger Department of Neurology, Jena University Hospital, Jena, Germany
| | - Hubertus Axer
- Hans Berger Department of Neurology, Jena University Hospital, Jena, Germany
| | - Otto W Witte
- Hans Berger Department of Neurology, Jena University Hospital, Jena, Germany
| | - Manja Marz
- Bioinformatics/High Throughput Analysis, Faculty of Mathematics and Computer Science, Friedrich Schiller University Jena, Jena, Germany.,FLI Leibniz Institute for Age Research, Jena, Germany.,European Virus Bioinformatics Center (EVBC), Jena, Germany
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Shanbhag S, Nayak A, Narayan R, Nayak UY. Anti-aging and Sunscreens: Paradigm Shift in Cosmetics. Adv Pharm Bull 2019; 9:348-359. [PMID: 31592127 PMCID: PMC6773941 DOI: 10.15171/apb.2019.042] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 04/16/2019] [Accepted: 05/20/2019] [Indexed: 12/14/2022] Open
Abstract
Skin, being one of the vital organs and a protective barrier needs to be pampered and taken care
of from early childhood. It is the most visible and the widest exposed organ and by far reflects
the general health condition and the aging process in humans. Both intrinsic and extrinsic
factors contribute to this complex biological process of skin aging. In recent times, skin health
and its beauty is perceived as an indicator of one’s health which has resulted in an increasing
demand for anti-aging products. Exposure to UV radiation is considered to be one of the factors
responsible for aging termed as photoaging. In this review, we have discussed the various factors
which may accelerate the process of skin aging. Various approaches and strategies to delay the
process of skin aging have been emphasized upon. The patents filed in the area of anti-aging
and sunscreen products have also been reviewed to gain an insight into the new formulations
which have been developed as an anti-aging product. There has been a tremendous rise in the
cosmetic and cosmeceuticals market with products having a dual activity of anti-aging and sun
protection. Research is constantly on the rise to ensure the safety of these products. Alternatives
to the current topical application of sunscreen are being considered to overcome the drawback
of reapplication of the sunscreen often which can be a boon to the cosmeceutical market.
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Affiliation(s)
- Shreya Shanbhag
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576 104, India
| | - Akshatha Nayak
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576 104, India
| | - Reema Narayan
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576 104, India
| | - Usha Yogendra Nayak
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576 104, India
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Huang T, Zhang M, Yan G, Huang X, Chen H, Zhou L, Deng W, Zhang Z, Qiu H, Ai H, Huang L. Genome-wide association and evolutionary analyses reveal the formation of swine facial wrinkles in Chinese Erhualian pigs. Aging (Albany NY) 2019; 11:4672-4687. [PMID: 31306098 PMCID: PMC6660038 DOI: 10.18632/aging.102078] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 07/01/2019] [Indexed: 04/12/2023]
Abstract
Wrinkles are uneven concave-convex folds, ridges or creases in skin. Facial wrinkles appear in head, typically increasing along with aging. However in several Chinese indigenous pigs, such as Erhualian pigs, rich facial wrinkles have been generated during the growth stages as one of their breed characteristics. To investigate the genetic basis underlying the development of swine facial wrinkles, we estimated the folding extent of facial wrinkles in a herd of Erhualian pigs (n=332), and then conducted genome-wide association studies and multi-trait meta-analysis for facial wrinkles using 60K porcine chips. We found that facial wrinkles had high heritability estimates of ~0.7 in Erhualian pigs. Notably, only one genome-wide significant QTL was detected at 34.8 Mb on porcine chromosome 7. The most significant SNP rs80983858 located at the 3255-bp downstream of candidate gene GRM4, and the G allele was of benefit to increase facial wrinkles. Evolutionary and selection analyses suggested that the haplotypes containing G allele were under artificial selection, which was consistent with local animal sacrificial custom praying for longevity. Our findings made important clues for further deciphering the molecular mechanism of swine facial wrinkles formation, and shed light on the research of skin wrinkle development in human or other mammals.
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Affiliation(s)
- Tao Huang
- State Key Laboratory of Pig Genetic Improvement and Production Technology, Jiangxi Agricultural University, Nanchang, P.R. China
| | - Mingpeng Zhang
- State Key Laboratory of Pig Genetic Improvement and Production Technology, Jiangxi Agricultural University, Nanchang, P.R. China
| | - Guorong Yan
- State Key Laboratory of Pig Genetic Improvement and Production Technology, Jiangxi Agricultural University, Nanchang, P.R. China
| | - Xiaochang Huang
- State Key Laboratory of Pig Genetic Improvement and Production Technology, Jiangxi Agricultural University, Nanchang, P.R. China
| | - Hao Chen
- State Key Laboratory of Pig Genetic Improvement and Production Technology, Jiangxi Agricultural University, Nanchang, P.R. China
| | - Liyu Zhou
- State Key Laboratory of Pig Genetic Improvement and Production Technology, Jiangxi Agricultural University, Nanchang, P.R. China
| | - Wenjiang Deng
- State Key Laboratory of Pig Genetic Improvement and Production Technology, Jiangxi Agricultural University, Nanchang, P.R. China
| | - Zhen Zhang
- State Key Laboratory of Pig Genetic Improvement and Production Technology, Jiangxi Agricultural University, Nanchang, P.R. China
| | - Hengqing Qiu
- State Key Laboratory of Pig Genetic Improvement and Production Technology, Jiangxi Agricultural University, Nanchang, P.R. China
| | - Huashui Ai
- State Key Laboratory of Pig Genetic Improvement and Production Technology, Jiangxi Agricultural University, Nanchang, P.R. China
| | - Lusheng Huang
- State Key Laboratory of Pig Genetic Improvement and Production Technology, Jiangxi Agricultural University, Nanchang, P.R. China
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Neuroendocrine Aspects of Skin Aging. Int J Mol Sci 2019; 20:ijms20112798. [PMID: 31181682 PMCID: PMC6600459 DOI: 10.3390/ijms20112798] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 05/28/2019] [Accepted: 06/06/2019] [Indexed: 12/21/2022] Open
Abstract
Skin aging is accompanied by a gradual loss of function, physiological integrity and the ability to cope with internal and external stressors. This is secondary to a combination of complex biological processes influenced by constitutive and environmental factors or by local and systemic pathologies. Skin aging and its phenotypic presentation are dependent on constitutive (genetic) and systemic factors. It can be accelerated by environmental stressors, such as ultraviolet radiation, pollutants and microbial insults. The skin’s functions and its abilities to cope with external stressors are regulated by the cutaneous neuroendocrine systems encompassing the regulated and coordinated production of neuropeptides, neurohormones, neurotransmitters and hormones, including steroids and secosteroids. These will induce/stimulate downstream signaling through activation of corresponding receptors. These pathways and corresponding coordinated responses to the stressors decay with age or undergo pathological malfunctions. This affects the overall skin phenotype and epidermal, dermal, hypodermal and adnexal functions. We propose that skin aging can be attenuated or its phenotypic presentation reversed by the topical use of selected factors with local neurohormonal activities targeting specific receptors or enzymes. Some of our favorite factors include melatonin and its metabolites, noncalcemic secosteroids and lumisterol derivatives, because of their low toxicity and their desirable local phenotypic effects.
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Im AR, Ji KY, Park I, Lee JY, Kim KM, Na M, Chae S. Anti-Photoaging Effects of Four Insect Extracts by Downregulating Matrix Metalloproteinase Expression via Mitogen-Activated Protein Kinase-Dependent Signaling. Nutrients 2019; 11:nu11051159. [PMID: 31126154 PMCID: PMC6566685 DOI: 10.3390/nu11051159] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 04/15/2019] [Accepted: 05/18/2019] [Indexed: 02/06/2023] Open
Abstract
Insects are some of the most diverse organisms on the planet, and have potential value as food or medicine. Here, we investigated the photoprotective properties of insect extracts using hairless mice. The alleviating wrinkle formation effects of insect extracts were evaluated by histological skin analysis to determine epidermal thickness and identify collagen fiber damage. Moreover, we investigated the ability of the insect extracts to alleviate UVB-induced changes to matrix metalloproteinases (MMPs), oxidative damage, the mitogen-activated protein kinases (MAPKs) signaling pathway, and the expression of pro-inflammatory cytokines. Insect extracts reduced UVB-induced skin winkles, epidermal thickening, and collagen breakdown, and alleviated the epidermal barrier dysfunction induced by UVB, including the increased loss of transepidermal water. Moreover, the expression of skin hydration-related markers such as hyaluronic acid, transforming growth factor-beta (TGF-β), and procollagen was upregulated in the group treated with insect extracts compared to the vehicle-treated group after ultraviolet B (UVB) exposure. UVB irradiation also upregulated the expression of MMPs, the phosphorylation of MAPKs, and pro-inflammatory cytokines, which were all attenuated by the oral administration of insect extracts. These results indicate the photoaging protection effect of insect extracts and the underlying mechanism, demonstrating the potential for clinical development.
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Affiliation(s)
- A-Rang Im
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Yuseong-daero 1672, Yuseong-gu, Daejeon 34054, Korea.
| | - Kon-Young Ji
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Yuseong-daero 1672, Yuseong-gu, Daejeon 34054, Korea.
| | - InWha Park
- College of Pharmacy, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea.
| | - Joo Young Lee
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Yuseong-daero 1672, Yuseong-gu, Daejeon 34054, Korea.
| | - Ki Mo Kim
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Yuseong-daero 1672, Yuseong-gu, Daejeon 34054, Korea.
- University of Science and Technology, Korean Convergence Medicine, 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, Korea.
| | - MinKyun Na
- College of Pharmacy, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea.
| | - Sungwook Chae
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Yuseong-daero 1672, Yuseong-gu, Daejeon 34054, Korea.
- University of Science and Technology, Korean Convergence Medicine, 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, Korea.
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Mousavisani SZ, Raoof JB, Cheung KY, Camargo ARH, Ruzgas T, Turner AP, Mak WC. Integrating an ex-vivo skin biointerface with electrochemical DNA biosensor for direct measurement of the protective effect of UV blocking agents. Biosens Bioelectron 2019; 128:159-165. [DOI: 10.1016/j.bios.2018.12.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Accepted: 12/10/2018] [Indexed: 11/27/2022]
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Effects of Granulocyte-Macrophage Colony-Stimulating Factor on Neuronal Senescence in Ultraviolet Irradiated Skin. J Craniofac Surg 2019; 30:930-935. [PMID: 30807472 DOI: 10.1097/scs.0000000000005183] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Ultraviolet (UV) irradiation affects neuronal structures of the skin and accelerates skin aging. Cytokine cascades in keratinocytes after UV irradiation may result in a paracrine inhibitory effect on nerve cells. The purpose of the present study was to determine the direct effect of cytokines induced by UV radiation on nerve cells in terms of neuronal senescence. Our group performed a preliminary study to determine cytokines induced in UV-irradiated keratinocytes. Among 40 cytokines studied, granulocyte-macrophage colony-stimulating factor (GM-CSF) was increased 4-fold in inflammation antibody array. The GM-CSF was added to cultured human neuroblastoma cells. To evaluate the effect of cellular senescence, the authors performed real-time polymerase chain reaction (RT-PCR), western blot, immunocytochemical, and phase-contrast microscopic evaluations. Expression levels of matrix metallopeptidase-9 (MMP-9), nuclear factor kappa-light-chain-enhancer of activated B cells 1 (NF-κB1), inducible nitric oxide synthase (iNOS), and interleukin β1 (IL-β1) were assessed by RT-PCR. Expression levels of AAP and beta-site amyloid precursor protein cleaving enzyme 1 (BACE1) related to formation of beta-amyloid were evaluated by western blot analysis. Expression levels of MMP-9, NF-κB1, iNOS, and IL-β1 after treatment with GM-CSF were significantly higher than those in the control group. Enhanced expression of AAP and BACE1 was also observed in the treatment group. Thus, GM-CSF might have a provocative effect on nerve cells in terms of neuronal senescence.
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Effects of Ultraviolet Irradiation on Cellular Senescence in Keratinocytes Versus Fibroblasts. J Craniofac Surg 2019; 30:270-275. [PMID: 30444781 DOI: 10.1097/scs.0000000000004904] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Aging is a biologic process characterized by time-dependent functional declines that are influenced by oxidative stress-induced inflammatory reactions. In particular, ultraviolet (UV) irradiation plays a key role in cellular senescence in photo-aged skin. However, the cellular senescence of epidermal keratinocytes and dermal fibroblasts by UV irradiation may differ depending on the exposure time and dosage of UV irradiation. Therefore, the purpose of the study was to evaluate and compare the effects of UV irradiation on cellular senescence in human epidermal keratinocytes (HaCaT) and human dermal fibroblasts (HDFs). After cell viability test, 200 mJ/cm UV irradiation was used in this study. To evaluate the reactive oxygen species and reactive nitrogen species production, the levels of glutathione (GSH) and nitrite (NO2) were measured. We also performed reverse transcription-polymerase chain reaction, Western blot analysis, and senescence-associated beta-galactosidase assay. An overall decrease in GSH and an increase in NO2 were observed in the HaCaT and HDF cells. However, the time-line and dose-dependent effects varied. Higher expressions of tumor necrosis factor-α, inducible nitric oxide synthase, and interleukin-1β than that of the control group were observed in both cells. The HDF cells showed high levels of matrix metallopeptidase 9 and neutral endopeptidase protein but low levels of SIRT1 and procollagen I. The expression of nuclear factor kappa-light-chain-enhancer of activated B cell (NF-κB) was increased in the HaCaT cells, but not in the HDF cells. The NF-κB peaked at 1 hour after UV irradiation in the HaCaT cells. The "turning-on" signal was faster in the irradiated HaCaT cells.
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Dimaki A, Kyriazi M, Leonis G, Sfiniadakis I, Papaioannou GT, Ioannou E, Roussis V, Rallis M. Diabetic skin and UV light: Protection by antioxidants. Eur J Pharm Sci 2019; 127:1-8. [DOI: 10.1016/j.ejps.2018.10.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 09/20/2018] [Accepted: 10/10/2018] [Indexed: 10/28/2022]
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Seaweeds as Source of Bioactive Substances and Skin Care Therapy—Cosmeceuticals, Algotheraphy, and Thalassotherapy. COSMETICS 2018. [DOI: 10.3390/cosmetics5040068] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Riverine, estuarine, and coastal populations have always used algae in the development of home remedies that were then used to treat diverse health problems. The empirical knowledge of various generations originated these applications, and their mechanism of action is, in most cases, unknown, that is, few more scientific studies would have been described beyond simple collection and ethnographic recording. Nevertheless, recent investigations, carried out with the purpose of analyzing the components and causes that alter the functioning and the balance of our organism, are already giving their first results. Water, and especially sea water is considered as essential to life on our planet. It sings all the substances necessary and conducive to the development of the living being (minerals, catalysts, vitamins, amino acids, etc.). Oceans cover over 70% of Earth, being home to up to 90% of the organisms in the planet. Many rich resources and unique environments are provided by the ocean. Additionally, bioactive compounds that multiple marine organisms have a great potential to produce can be used as nutraceuticals, pharmaceuticals, and cosmeceuticals. Both primary and secondary metabolites are produced by algae. The first ones are directly implicated in development, normal growth, or reproduction conditions to perform physiological functions. Stress conditions, like temperature changes, salinity, environmental pollutants, or UV radiation exposure cause the performance of secondary metabolites. In algae, proteins, polysaccharides, fatty acids, and amino acids are primary metabolites and phenolic compounds, pigments, vitamins, sterols, and other bioactive agents, all produced in algae tissues, are secondary metabolites. These algal active constituents have direct relevance in cosmetics.
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Abstract
The constant intrinsic and extrinsic stress the skin is exposed to leads to significant impairments of the regenerative capacity of aging skin. Current skin rejuvenation approaches lack the ability to holistically support the biological processes that exhaust during aging skin degeneration, such as collagen production, cell migration and proliferation, and new vessel formation. Similar to chronic wounds, aged skin is characterized by dysfunction of key cellular regulatory pathways impairing regeneration. Recent evidence suggests that the same mechanisms hindering a physiologic healing response in chronic wounds are the basis of impaired tissue homeostasis in aged skin. Dysfunction of a main response-to-injury pathway, the hypoxia-inducible factor (HIF)-1α regulatory pathway, has been identified as pivotal both in chronic wounds and in aging skin degeneration. HIF-1α signaling is significantly involved in tissue homeostasis and neovascularization, resulting in the production of new collagen, elastin, and nourishing blood vessels. Modulating the functionality of this pathway has been demonstrated to significantly enhance tissue regeneration. In this review, we present an overview of the regenerative effects linked to the up-regulation of HIF-1α functionality, potentially resulting in skin rejuvenation on both the cellular level and the tissue level.
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Reversing wrinkled skin and hair loss in mice by restoring mitochondrial function. Cell Death Dis 2018; 9:735. [PMID: 30026579 PMCID: PMC6053453 DOI: 10.1038/s41419-018-0765-9] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 04/27/2018] [Accepted: 06/08/2018] [Indexed: 12/12/2022]
Abstract
Mitochondrial DNA (mtDNA) depletion is involved in mtDNA depletion syndromes, mitochondrial diseases, aging and aging-associated chronic diseases, and other human pathologies. To evaluate the consequences of depletion of mtDNA in the whole animal, we created an inducible mtDNA-depleter mouse expressing, in the polymerase domain of POLG1, a dominant-negative mutation to induce depletion of mtDNA in various tissues. These mice showed reduced mtDNA content, reduced mitochondrial gene expression, and instability of supercomplexes involved in oxidative phosphorylation (OXPHOS) resulting in reduced OXPHOS enzymatic activities. We demonstrate that ubiquitous depletion of mtDNA in mice leads to predominant and profound effects on the skin resulting in wrinkles and visual hair loss with an increased number of dysfunctional hair follicles and inflammatory responses. Development of skin wrinkle was associated with the significant epidermal hyperplasia, hyperkeratosis, increased expression of matrix metalloproteinases, and decreased expression of matrix metalloproteinase inhibitor TIMP1. We also discovered markedly increased skin inflammation that appears to be a contributing factor in skin pathology. Histopathologic analyses revealed dysfunctional hair follicles. mtDNA-depleter mice also show changes in expression of aging-associated markers including IGF1R, KLOTHO, VEGF, and MRPS5. mtDNA-repleter mice showed that, by turning off the mutant POLG1 transgene expression, mitochondrial function, as well as the skin and hair pathology, is reversed to wild-type level. To our knowledge that restoration of mitochondrial functions can reverse the skin and hair pathology is unprecedented.
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Tissot FS, Estrach S, Boulter E, Cailleteau L, Tosello L, Seguin L, Pisano S, Audebert S, Croce O, Féral CC. Dermal Fibroblast SLC3A2 Deficiency Leads to Premature Aging and Loss of Epithelial Homeostasis. J Invest Dermatol 2018; 138:2511-2521. [PMID: 29906411 DOI: 10.1016/j.jid.2018.05.026] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 05/17/2018] [Accepted: 05/29/2018] [Indexed: 01/12/2023]
Abstract
Skin homeostasis relies on fine-tuning of epidermis-dermis interactions and is affected by aging. While extracellular matrix (ECM) proteins, such as integrins, are involved in aging, the molecular basis of the skin changes needs to be investigated further. Here, we showed that integrin co-receptor, SLC3A2, required for cell proliferation, is expressed at the surface of resting dermal fibroblasts in young patients and is reduced drastically with aging. In vivo SLC3A2 dermal fibroblast deletion induced major skin phenotypes resembling premature aging. Knockout mice (3 months old) presented strong defects in skin elasticity due to altered ECM assembly, which impairs epidermal homeostasis. SLC3A2 dermal fibroblast loss led to an age-associated secretome profile, with 77% of identified proteins belonging to ECM and ECM-associated proteins. ECM not only contributes to skin mechanical properties, but it is also a reservoir of growth factors and bioactive molecules. We demonstrate that dermal fibroblast SLC3A2 is required for ECM to fully exert its structural and reservoir role allowing proper and efficient TGF-β localization and activation. We identified SLC3A2 as a protective controller of dermal ECM stiffness and quality required to maintain the epidermis to dermis interface as functional and dynamic.
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Affiliation(s)
- Floriane S Tissot
- Institut de Recherche sur le Cancer et le Vieillissement, Institut National de la Santé et de la Recherche Médicale, Centre National de la Recherche Scientifique, Unité Mixte de Recherche, Université Cote d'Azur, Nice, France
| | - Soline Estrach
- Institut de Recherche sur le Cancer et le Vieillissement, Institut National de la Santé et de la Recherche Médicale, Centre National de la Recherche Scientifique, Unité Mixte de Recherche, Université Cote d'Azur, Nice, France
| | - Etienne Boulter
- Institut de Recherche sur le Cancer et le Vieillissement, Institut National de la Santé et de la Recherche Médicale, Centre National de la Recherche Scientifique, Unité Mixte de Recherche, Université Cote d'Azur, Nice, France
| | - Laurence Cailleteau
- Institut de Recherche sur le Cancer et le Vieillissement, Institut National de la Santé et de la Recherche Médicale, Centre National de la Recherche Scientifique, Unité Mixte de Recherche, Université Cote d'Azur, Nice, France
| | - Lionel Tosello
- Institut de Recherche sur le Cancer et le Vieillissement, Institut National de la Santé et de la Recherche Médicale, Centre National de la Recherche Scientifique, Unité Mixte de Recherche, Université Cote d'Azur, Nice, France
| | - Laetitia Seguin
- Institut de Recherche sur le Cancer et le Vieillissement, Institut National de la Santé et de la Recherche Médicale, Centre National de la Recherche Scientifique, Unité Mixte de Recherche, Université Cote d'Azur, Nice, France
| | - Sabrina Pisano
- Institut de Recherche sur le Cancer et le Vieillissement, Institut National de la Santé et de la Recherche Médicale, Centre National de la Recherche Scientifique, Unité Mixte de Recherche, Université Cote d'Azur, Nice, France
| | - Stéphane Audebert
- Centre de Recherche en Cancérologie de Marseille, Institut National de la Santé et de la Recherche Médicale, Institut Paoli-Calmettes, Aix-Marseille Université, Centre National de la Recherche Scientifique, Unité Mixte de Recherche, Marseille, France
| | - Olivier Croce
- Institut de Recherche sur le Cancer et le Vieillissement, Institut National de la Santé et de la Recherche Médicale, Centre National de la Recherche Scientifique, Unité Mixte de Recherche, Université Cote d'Azur, Nice, France
| | - Chloé C Féral
- Institut de Recherche sur le Cancer et le Vieillissement, Institut National de la Santé et de la Recherche Médicale, Centre National de la Recherche Scientifique, Unité Mixte de Recherche, Université Cote d'Azur, Nice, France.
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Schäfer A, Mekker B, Mallick M, Vastolo V, Karaulanov E, Sebastian D, von der Lippen C, Epe B, Downes DJ, Scholz C, Niehrs C. Impaired DNA demethylation of C/EBP sites causes premature aging. Genes Dev 2018; 32:742-762. [PMID: 29884649 PMCID: PMC6049513 DOI: 10.1101/gad.311969.118] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Accepted: 05/07/2018] [Indexed: 12/25/2022]
Abstract
Here, Schäfer et al. investigated whether DNA methylation alterations are involved in aging. Using knockout mice for adapter proteins for site-specific demethylation by TET methylcytosine dioxygenases Gadd45a and Ing1, they show that enhancer methylation can affect aging and imply that C/EBP proteins play an unexpected role in this process. Changes in DNA methylation are among the best-documented epigenetic alterations accompanying organismal aging. However, whether and how altered DNA methylation is causally involved in aging have remained elusive. GADD45α (growth arrest and DNA damage protein 45A) and ING1 (inhibitor of growth family member 1) are adapter proteins for site-specific demethylation by TET (ten-eleven translocation) methylcytosine dioxygenases. Here we show that Gadd45a/Ing1 double-knockout mice display segmental progeria and phenocopy impaired energy homeostasis and lipodystrophy characteristic of Cebp (CCAAT/enhancer-binding protein) mutants. Correspondingly, GADD45α occupies C/EBPβ/δ-dependent superenhancers and, cooperatively with ING1, promotes local DNA demethylation via long-range chromatin loops to permit C/EBPβ recruitment. The results indicate that enhancer methylation can affect aging and imply that C/EBP proteins play an unexpected role in this process. Our study suggests a causal nexus between DNA demethylation, metabolism, and organismal aging.
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Affiliation(s)
- Andrea Schäfer
- Institute of Molecular Biology (IMB), 55128 Mainz, Germany
| | | | | | | | | | | | - Carina von der Lippen
- Institute of Pharmacy and Biochemistry, Johannes Gutenberg University of Mainz, 55128 Mainz, Germany
| | - Bernd Epe
- Institute of Pharmacy and Biochemistry, Johannes Gutenberg University of Mainz, 55128 Mainz, Germany
| | - Damien J Downes
- Medical Research Council Molecular Haematology Unit, Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DS, United Kingdom
| | - Carola Scholz
- Institute of Molecular Biology (IMB), 55128 Mainz, Germany
| | - Christof Niehrs
- Institute of Molecular Biology (IMB), 55128 Mainz, Germany.,German Cancer Research Center, Division of Molecular Embryology, German Cancer Research Center-Center for Molecular Biology (DKFZ-ZMBH) Alliance, 69120 Heidelberg, Germany
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Huang J, Yu W, Zhang Z, Chen X, Biskup E. Clinical and Histological Studies of Suborbital Wrinkles Treated with Fractional Bipolar Radiofrequency. Rejuvenation Res 2018; 21:117-122. [PMID: 28712336 DOI: 10.1089/rej.2017.1947] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Jun Huang
- Department of Dermatology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Wenyou Yu
- Department of Dermatology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Laser and Cosmetic Medicine, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhen Zhang
- Department of Dermatology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Laser and Cosmetic Medicine, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiangdong Chen
- Department of Dermatology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ewelina Biskup
- Division of Internal Medicine,University Hospital of Basel, University of Basel, Basel, Switzerland
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Rodrigues N, Cole-Filipiak N, Horbury M, Staniforth M, Karsili T, Peperstraete Y, Stavros V. Photophysics of the sunscreen ingredient menthyl anthranilate and its precursor methyl anthranilate: A bottom-up approach to photoprotection. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2017.11.042] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Quaternized carboxymethyl chitosan/organic montmorillonite nanocomposite as a novel cosmetic ingredient against skin aging. Carbohydr Polym 2017; 173:100-106. [DOI: 10.1016/j.carbpol.2017.05.088] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Revised: 04/10/2017] [Accepted: 05/26/2017] [Indexed: 12/26/2022]
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Abstract
Marine resources represent an interesting source of active ingredients for the cosmetics industry. Algae (macro and micro) are rich in proteins, amino acids, carbohydrates, vitamins (A, B, and C) and oligo-elements such as copper, iron and zinc. All those active principles play roles in hydration, firming, slimming, shine and protection. Marine organisms inhabit a wide spectrum of habitats. Photo-protective compounds can be obtained from organisms subjected to strong light radiation, such as in tropical systems or in shallow water. In the same way, molecules with antioxidant potential can be obtained from microorganisms inhabiting extreme systems such as hydrothermal vents. For example, marine bacteria collected around deep-sea hydrothermal vents produce complex and innovative polysaccharides in the laboratory which are useful in cosmetics. There are many properties that will be put forward by the cosmetic industries.
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Darland AM, Chubb HA, Sachs DL, Helfrich YR. Patient interest in and familiarity with anti-aging therapies: A survey of the general dermatology clinic population. J Cosmet Dermatol 2017; 17:403-409. [DOI: 10.1111/jocd.12386] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/28/2017] [Indexed: 02/06/2023]
Affiliation(s)
- Allison M Darland
- University of Michigan Medical School; Ann Arbor MI USA
- Department of Dermatology; University of Michigan Health System; Ann Arbor MI USA
| | - Heather A Chubb
- Department of Dermatology; University of Michigan Health System; Ann Arbor MI USA
| | - Dana L Sachs
- Department of Dermatology; University of Michigan Health System; Ann Arbor MI USA
| | - Yolanda R Helfrich
- Department of Dermatology; University of Michigan Health System; Ann Arbor MI USA
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Chen CYO, Smith A, Liu Y, Du P, Blumberg JB, Garlick J. Photoprotection by pistachio bioactives in a 3-dimensional human skin equivalent tissue model. Int J Food Sci Nutr 2017; 68:712-718. [DOI: 10.1080/09637486.2017.1282437] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- C-Y. Oliver Chen
- Antioxidants Research Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA
| | - Avi Smith
- Department of Diagnostic Sciences, School of Dental Medicine, Tufts University, Boston, MA, USA
| | - Yuntao Liu
- Antioxidants Research Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA
| | - Peng Du
- Antioxidants Research Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA
- The Institute of Aviation Medicine, Airforce, Beijing, China
| | - Jeffrey B. Blumberg
- Antioxidants Research Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA
| | - Jonathan Garlick
- Department of Diagnostic Sciences, School of Dental Medicine, Tufts University, Boston, MA, USA
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