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Batsukh S, Oh S, Lee JM, Joo JHJ, Son KH, Byun K. Extracellular Vesicles from Ecklonia cava and Phlorotannin Promote Rejuvenation in Aged Skin. Mar Drugs 2024; 22:223. [PMID: 38786614 PMCID: PMC11123375 DOI: 10.3390/md22050223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 05/07/2024] [Accepted: 05/14/2024] [Indexed: 05/25/2024] Open
Abstract
Plant-derived extracellular vesicles (EVs) elicit diverse biological effects, including promoting skin health. EVs isolated from Ecklonia cava (EV-EC) carry heat shock protein 70 (HSP70), which inhibits key regulators such as TNF-α, MAPKs, and NF-κB, consequently downregulating matrix metalloproteinases (MMPs). Aging exacerbates oxidative stress, upregulating MAPK and NF-κB signaling and worsening extracellular matrix degradation in the skin. E. cava-derived phlorotannin (PT) mitigates MAPK and NF-κB signaling. We evaluated the impact of EV-EC and PT on skin rejuvenation using an in vitro keratinocyte senescence model and an in vivo aged-mouse model. Western blotting confirmed the presence of HSP70 in EV-EC. Treatment with EV-EC and PT in senescent keratinocytes increased HSP70 expression and decreased the expression of TNF-α, MAPK, NF-κB, activator protein-1 (AP-1), and MMPs. Oxidative stress was also reduced. Sequential treatment with PT and EV-EC (PT/EV-EC) yielded more significant results compared to individual treatments. The administration of PT/EV-EC to the back skin of aged mice mirrored the in vitro findings, resulting in increased collagen fiber accumulation and improved elasticity in the aged skin. Therefore, PT/EV-EC holds promise in promoting skin rejuvenation by increasing HSP70 expression, decreasing the expression of MMPs, and reducing oxidative stress in aged skin.
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Affiliation(s)
- Sosorburam Batsukh
- Department of Anatomy & Cell Biology, College of Medicine, Gachon University, Incheon 21936, Republic of Korea
- Functional Cellular Networks Laboratory, Graduate School and Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Republic of Korea
| | - Seyeon Oh
- Functional Cellular Networks Laboratory, Graduate School and Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Republic of Korea
| | - Ji Min Lee
- Doctors Dermatologic Clinic, Gangdong Godeok, Seoul 05269, Republic of Korea
| | | | - Kuk Hui Son
- Department of Thoracic and Cardiovascular Surgery, Gachon University Gil Medical Center, Gachon University, Incheon 21565, Republic of Korea
| | - Kyunghee Byun
- Department of Anatomy & Cell Biology, College of Medicine, Gachon University, Incheon 21936, Republic of Korea
- Functional Cellular Networks Laboratory, Graduate School and Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Republic of Korea
- Department of Health Sciences and Technology, Gachon Advanced Institute for Health & Sciences and Technology (GAIHST), Gachon University, Incheon 21999, Republic of Korea
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2
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Macdonald JK, Mehta AS, Drake RR, Angel PM. Molecular analysis of the extracellular microenvironment: from form to function. FEBS Lett 2024; 598:602-620. [PMID: 38509768 PMCID: PMC11049795 DOI: 10.1002/1873-3468.14852] [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: 11/29/2023] [Revised: 02/26/2024] [Accepted: 02/28/2024] [Indexed: 03/22/2024]
Abstract
The extracellular matrix (ECM) proteome represents an important component of the tissue microenvironment that controls chemical flux and induces cell signaling through encoded structure. The analysis of the ECM represents an analytical challenge through high levels of post-translational modifications, protease-resistant structures, and crosslinked, insoluble proteins. This review provides a comprehensive overview of the analytical challenges involved in addressing the complexities of spatially profiling the extracellular matrix proteome. A synopsis of the process of synthesizing the ECM structure, detailing inherent chemical complexity, is included to present the scope of the analytical challenge. Current chromatographic and spatial techniques addressing these challenges are detailed. Capabilities for multimodal multiplexing with cellular populations are discussed with a perspective on developing a holistic view of disease processes that includes both the cellular and extracellular microenvironment.
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Affiliation(s)
- Jade K Macdonald
- Department of Cell and Molecular Pharmacology & Experimental Therapeutics, Medical University of South Carolina, Charleston, SC
| | - Anand S Mehta
- Department of Cell and Molecular Pharmacology & Experimental Therapeutics, Medical University of South Carolina, Charleston, SC
| | - Richard R Drake
- Department of Cell and Molecular Pharmacology & Experimental Therapeutics, Medical University of South Carolina, Charleston, SC
| | - Peggi M. Angel
- Department of Cell and Molecular Pharmacology & Experimental Therapeutics, Medical University of South Carolina, Charleston, SC
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3
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The Extracellular Matrix Vitalizer RATM Increased Skin Elasticity by Modulating Mitochondrial Function in Aged Animal Skin. Antioxidants (Basel) 2023; 12:antiox12030694. [PMID: 36978943 PMCID: PMC10044720 DOI: 10.3390/antiox12030694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 03/05/2023] [Accepted: 03/09/2023] [Indexed: 03/14/2023] Open
Abstract
Oxidative stress-induced cellular senescence and mitochondrial dysfunction result in skin aging by increasing ECM levels-degrading proteins such as MMPs, and decreasing collagen synthesis. MMPs also destroy the basement membrane, which is involved in skin elasticity. The extracellular matrix vitalizer RATM (RA) contains various antioxidants and sodium hyaluronate, which lead to skin rejuvenation. We evaluated whether RA decreases oxidative stress and mitochondrial dysfunction, eventually increasing skin elasticity in aged animals. Oxidative stress was assessed by assaying NADPH oxidase activity, which is involved in ROS generation, and the expression of SOD, which removes ROS. NADPH oxidase activity was increased in aged skin and decreased by RA injection. SOD expression was decreased in aged skin and increased by RA injection. Damage to mitochondrial DNA and mitochondrial fusion markers was increased in aged skin and decreased by RA. The levels of mitochondrial biogenesis markers and fission markers were decreased in aged skin and increased by RA. The levels of NF-κB/AP-1 and MMP1/2/3/9 were increased in aged skin and decreased by RA. The levels of TGF-β, CTGF, and collagen I/III were decreased in aged skin and increased by RA. The expression of laminin and nidogen and basement membrane density were decreased in aged skin and increased by RA. RA increased collagen fiber accumulation and elasticity in aged skin. In conclusion, RA improves skin rejuvenation by decreasing oxidative stress and mitochondrial dysfunction in aged skin.
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4
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Nicolescu AC, Ionescu S, Ancuta I, Popa VT, Lupu M, Soare C, Cozma EC, Voiculescu VM. Subepidermal Low-Echogenic Band-Its Utility in Clinical Practice: A Systematic Review. Diagnostics (Basel) 2023; 13:diagnostics13050970. [PMID: 36900113 PMCID: PMC10000591 DOI: 10.3390/diagnostics13050970] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 02/17/2023] [Accepted: 02/28/2023] [Indexed: 03/08/2023] Open
Abstract
High-frequency ultrasonography (HF-USG) is a relatively new imaging method that allows the evaluation in a non-invasive manner of the skin layers and skin appendages. It is a diagnostic tool with increasing usefulness in numerous dermatological pathologies. High reproducibility, non-invasiveness and short diagnostic time make this method an increasingly used tool in dermatological practice. The subepidermal low-echogenic band is a relatively newly described parameter that seems to be a marker not only of intrinsic and extrinsic skin aging, but also of inflammatory processes taking place at the skin level. This systematic review aims to evaluate the role that SLEB has in the diagnosis and monitoring of the treatment of some inflammatory and non-inflammatory dermatological conditions, as well as its utility as a disease marker.
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Affiliation(s)
| | - Sinziana Ionescu
- Surgery Department, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Surgery Department, “Prof. Dr. Al. Trestioreanu” Oncology Institute Bucharest, 022328 Bucharest, Romania
| | - Ioan Ancuta
- Surgery Department, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Rheumatology Department, “Dr. I. Cantacuzino” Clinical Hospital, 020475 Bucharest, Romania
| | - Valentin-Tudor Popa
- Dermatology Department, Center for Morphologic Study of the Skin MORPHODERM, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Mihai Lupu
- Department of Dermatology, MEDAS Medical Center, 030447 Bucharest, Romania
| | - Cristina Soare
- Surgery Department, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Dermatology Department, Elias University Emergency Hospital, 011461 Bucharest, Romania
| | - Elena-Codruta Cozma
- Dermatology Department, Elias University Emergency Hospital, 011461 Bucharest, Romania
- Pathophysiology Department, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
- Correspondence:
| | - Vlad-Mihai Voiculescu
- Surgery Department, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Dermatology Department, Elias University Emergency Hospital, 011461 Bucharest, Romania
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Lim JH, Bae JS, Lee SK, Lee DH. Palmitoyl‑RGD promotes the expression of dermal‑epidermal junction components in HaCaT cells. Mol Med Rep 2022; 26:320. [PMID: 36043531 DOI: 10.3892/mmr.2022.12836] [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: 03/18/2022] [Accepted: 07/14/2022] [Indexed: 11/06/2022] Open
Abstract
With age, the dermal‑epidermal junction (DEJ) becomes thinner and production of its protein components decreases; this may be associated with increased fragility and wrinkling of skin. Topical treatment with palmitoyl‑Arg‑Gly‑Asp (PAL‑RGD) improves facial wrinkles, skin elasticity and dermal density in humans. In the present study, the effect of PAL‑RGD on expression of DEJ components, such as laminin and collagen, was assessed. Human HaCaT keratinocytes were treated with PAL‑RGD. The protein expression levels of laminin‑332, collagen IV and collagen XVII were examined by western blotting. Reverse transcription-quantitative PCR was used to analyze laminin subunit (LAM)A3, LAMB3, LAMC2, collagen type IV α 1 chain (COL4A1) and COL17A1 mRNA expression levels. Western blot analysis showed that the expression levels of proteins comprising the DEJ, including laminin α3, β3 and γ2 and collagen IV and XVII demonstrated a significant dose‑dependent increase following PAL‑RGD treatment. Furthermore, PAL‑RGD treatment significantly enhanced LAMA3, LAMB3, LAMC2, COL4A1 and COL17A1 mRNA expression levels. PAL‑RGD may enhance the DEJ by inducing the expression of laminin‑332, collagen IV and collagen XVII.
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Affiliation(s)
- Joo Hyuck Lim
- Biotechnology Research Institute, Research and Development Division, Celltrion Inc., Incheon 22014, Republic of Korea
| | - Jung Soo Bae
- Biotechnology Research Institute, Research and Development Division, Celltrion Inc., Incheon 22014, Republic of Korea
| | - Seung Ki Lee
- Biotechnology Research Institute, Research and Development Division, Celltrion Inc., Incheon 22014, Republic of Korea
| | - Dong Hun Lee
- Department of Dermatology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul National University, Seoul 03080, Republic of Korea
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6
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Matrikines as mediators of tissue remodelling. Adv Drug Deliv Rev 2022; 185:114240. [PMID: 35378216 DOI: 10.1016/j.addr.2022.114240] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 02/21/2022] [Accepted: 03/26/2022] [Indexed: 11/21/2022]
Abstract
Extracellular matrix (ECM) proteins confer biomechanical properties, maintain cell phenotype and mediate tissue repair (via release of sequestered cytokines and proteases). In contrast to intracellular proteomes, where proteins are monitored and replaced over short time periods, many ECM proteins function for years (decades in humans) without replacement. The longevity of abundant ECM proteins, such as collagen I and elastin, leaves them vulnerable to damage accumulation and their host organs prone to chronic, age-related diseases. However, ECM protein fragmentation can potentially produce peptide cytokines (matrikines) which may exacerbate and/or ameliorate age- and disease-related ECM remodelling. In this review, we discuss ECM composition, function and degradation and highlight examples of endogenous matrikines. We then critically and comprehensively analyse published studies of matrix-derived peptides used as topical skin treatments, before considering the potential for improvements in the discovery and delivery of novel matrix-derived peptides to skin and internal organs. From this, we conclude that while the translational impact of matrix-derived peptide therapeutics is evident, the mechanisms of action of these peptides are poorly defined. Further, well-designed, multimodal studies are required.
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7
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Park KC, Kim SY, Khan G, Park ES. Ultrasonographic Assessment of the Cutaneous Changes Induced by Topical Use of Novel Peptides Comprising Laminin 5. Arch Plast Surg 2022; 49:304-309. [PMID: 35832163 PMCID: PMC9142241 DOI: 10.1055/s-0042-1748642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Background
Laminin 5, which is found in the basement membrane of dermal-epidermal junction (DEJ), is a major adhesive component and associated with proliferating and migrating keratinocytes. In this study, we hypothesized that the topical application of the skin care products containing the novel peptides might restore the DEJ structure by deriving deposition of laminin 5 and promoting the keratinocyte migration. Here, we evaluated the restoration of DEJ by measuring the skin thickness.
Methods
Single-center retrospective analysis was performed on a total of 13 patients who underwent skin care using Baume L.C.E. (France, Laboratories d' Anjou) between January and March 2021. All patients applied the skin care agent for 2 weeks only on their left hand dorsum. Before the initiation of the application and after 2 weeks, both their hands were evaluated on photography and ultrasound. And the patients were asked to rate their satisfaction with the questionnaire after 2 weeks.
Results
There was no obvious improvement in photographic assessment and questionnaire. The post–pre difference of skin thickness in ultrasound images was, in left hand, 0.1 ± 0.37 in distal point and 0.1 ± 0.35 in proximal point; and, in right hand, 0 ± 0.17 in distal point and 0 ± 0.15 in proximal point, respectively. The pre–post difference was statistically significant in proximal point (
p
= 0.035).
Conclusion
Topical application of novel peptide derivative comprising laminin 5 demonstrated cutaneous changes including skin thickness, as assessed by ultrasound. Further studies using other modalities including dermal density measurement, three-dimensional photography, optical coherence tomography, or skin biopsy would be helpful to determine the skin-improving effects.
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Affiliation(s)
- Kyong Chan Park
- Department of Plastic and Reconstructive Surgery and College of Medicine, Soonchunhyang University, Bucheon, Korea
| | - Se Young Kim
- Department of Plastic and Reconstructive Surgery and College of Medicine, Soonchunhyang University, Gumi, Korea
| | - Galina Khan
- Department of Plastic and Reconstructive Surgery and College of Medicine, Soonchunhyang University, Bucheon, Korea
| | - Eun Soo Park
- Department of Plastic and Reconstructive Surgery and College of Medicine, Soonchunhyang University, Bucheon, Korea
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8
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Pally D, Goutham S, Bhat R. Extracellular matrix as a driver for intratumoral heterogeneity. Phys Biol 2022; 19. [PMID: 35545075 DOI: 10.1088/1478-3975/ac6eb0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Accepted: 05/11/2022] [Indexed: 11/12/2022]
Abstract
The architecture of an organ is built through interactions between its native cells and its connective tissue consisting of stromal cells and the extracellular matrix (ECM). Upon transformation through tumorigenesis, such interactions are disrupted and replaced by a new set of intercommunications between malignantly transformed parenchyma, an altered stromal cell population, and a remodeled ECM. In this perspective, we propose that the intratumoral heterogeneity of cancer cell phenotypes is an emergent property of such reciprocal intercommunications, both biochemical and mechanical-physical, which engender and amplify the diversity of cell behavioral traits. An attempt to assimilate such findings within a framework of phenotypic plasticity furthers our understanding of cancer progression.
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Affiliation(s)
- Dharma Pally
- Molecular Reproduction Development and Genetics, Indian Institute of Science, GA 07, Bangalore, Karnataka, 560012, INDIA
| | - Shyamili Goutham
- Molecular Reproduction Development and Genetics, Indian Institute of Science, GA 07, Bangalore, Karnataka, 560012, INDIA
| | - Ramray Bhat
- Molecular Reproduction Development and Genetics, Indian Institute of Science, GA 07, Bangalore, Karnataka, 560012, INDIA
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9
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Usage of Synthetic Peptides in Cosmetics for Sensitive Skin. Pharmaceuticals (Basel) 2021; 14:ph14080702. [PMID: 34451799 PMCID: PMC8400021 DOI: 10.3390/ph14080702] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 07/09/2021] [Accepted: 07/16/2021] [Indexed: 12/20/2022] Open
Abstract
Sensitive skin is characterized by symptoms of discomfort when exposed to environmental factors. Peptides are used in cosmetics for sensitive skin and stand out as active ingredients for their ability to interact with skin cells by multiple mechanisms, high potency at low dosage and the ability to penetrate the stratum corneum. This study aimed to analyze the composition of 88 facial cosmetics for sensitive skin from multinational brands regarding usage of peptides, reviewing their synthetic pathways and the scientific evidence that supports their efficacy. Peptides were found in 17% of the products analyzed, namely: acetyl dipeptide-1 cetyl ester, palmitoyl tripeptide-8, acetyl tetrapeptide-15, palmitoyl tripeptide-5, acetyl hexapeptide-49, palmitoyl tetrapeptide-7 and palmitoyl oligopeptide. Three out of seven peptides have a neurotransmitter-inhibiting mechanism of action, while another three are signal peptides. Only five peptides present evidence supporting their use in sensitive skin, with only one clinical study including volunteers having this condition. Noteworthy, the available data is mostly found in patents and supplier brochures, and not in randomized placebo-controlled studies. Peptides are useful active ingredients in cosmetics for sensitive skin. Knowing their efficacy and synthetic pathways provides meaningful insight for the development of new and more effective ingredients.
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10
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Vergilio MM, Monteiro E Silva SA, Jales RM, Leonardi GR. High-frequency ultrasound as a scientific tool for skin imaging analysis. Exp Dermatol 2021; 30:897-910. [PMID: 33905589 DOI: 10.1111/exd.14363] [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: 07/22/2020] [Revised: 04/09/2021] [Accepted: 04/21/2021] [Indexed: 01/07/2023]
Abstract
Ultrasonic imaging is one of the most important diagnostic tools in clinical medicine due to its cost, availability and good correlation with pathological results. High-frequency ultrasound (HFUS) is a technique used in skin science that has been little explored, especially in comparison with other sites and imaging techniques. HFUS shows real-time images of the skin layers, appendages and skin lesions in vivo and can significantly contribute to advances in skin science. This review summarizes the potential applications of HFUS in dermatology and cosmetology, with a focus on quantitative tools that can be used to assess various skin conditions. Our findings showed that HFUS imaging is a reproducible and powerful tool for the diagnosis, clinical management and therapy monitoring of skin conditions. It is also a helpful tool for assessing the performance of dermatological products. This technique may eventually become essential for evaluating the performance of dermatological and cosmetic products.
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Affiliation(s)
- Mariane Massufero Vergilio
- Graduate Program in Internal Medicine, School of Medical Sciences - University of Campinas (UNICAMP), Campinas, Brazil
| | - Silas Arandas Monteiro E Silva
- Graduate Program in Pharmaceutical Sciences, School of Pharmaceutical Sciences - University of Campinas (UNICAMP), Campinas, Brazil
| | - Rodrigo Menezes Jales
- Radiology Service of the Women´s Hospital "Prof. Dr. José Aristodemo Pinotti", Department of Gynecology and Obstetrics of School of Medical Sciences of Campinas State University (UNICAMP), São Paulo, Brazil
| | - Gislaine Ricci Leonardi
- Graduate Program in Internal Medicine, School of Medical Sciences - University of Campinas (UNICAMP), Campinas, Brazil.,Graduate Program in Pharmaceutical Sciences, School of Pharmaceutical Sciences - University of Campinas (UNICAMP), Campinas, Brazil
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11
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Abstract
The development of synthetic peptides for skin care dates to the 1980s. The cosmetic industry periodically launches new peptides, as they are promising and appealing active ingredients in the growing and innovative cosmetics market. In this study, trends in the use of peptides in anti-aging products were analyzed by comparing the composition of the products marketed in 2011 with products launched or reformulated in 2018. The scientific and marketing evidence for their application as active ingredients in anti-aging cosmetics was also compiled from products’ labels, suppliers’ technical data forms and online scientific databases. The use of peptides in anti-aging cosmetics increased by 7.2%, while the variety and the number of peptide combinations in products have increased by 88.5%. The most used peptides in antiaging cosmetic formulations are, in descending order, Palmitoyl Tetrapeptide-7, Palmitoyl Oligopeptide and Acetyl Hexapeptide-8. In 2011, the majority of peptides were obtained from synthesis, while in 2018, biotechnology processing was the dominant source. This study provides an overview of the market trends regarding the use of peptides in anti-aging products, providing meaningful data for scientists involved in the development of new peptides to identify opportunities for innovation in this area.
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12
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Bingham GC, Lee F, Naba A, Barker TH. Spatial-omics: Novel approaches to probe cell heterogeneity and extracellular matrix biology. Matrix Biol 2020; 91-92:152-166. [DOI: 10.1016/j.matbio.2020.04.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 04/22/2020] [Accepted: 04/23/2020] [Indexed: 12/12/2022]
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13
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Jeong S, Yoon S, Kim S, Jung J, Kor M, Shin K, Lim C, Han HS, Lee H, Park KY, Kim J, Chung HJ, Kim HJ. Anti-Wrinkle Benefits of Peptides Complex Stimulating Skin Basement Membrane Proteins Expression. Int J Mol Sci 2019; 21:E73. [PMID: 31861912 PMCID: PMC6981886 DOI: 10.3390/ijms21010073] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 12/15/2019] [Accepted: 12/18/2019] [Indexed: 12/16/2022] Open
Abstract
The dermal-epidermal junction (DEJ) provides a physical and biological interface between the epidermis and the dermis. In addition to providing a structural integrity, the DEJ also acts as a passageway for molecular transport. Based on the recently reported importance of the DEJ in skin aging, novel peptide derivatives have been tested for their effects on basement membrane (BM) protein expressions in cultured human epidermal keratinocytes. As a result, protein expressions of collagen XVII, laminin and nidogen were stimulated by the test peptide and peptides complex. Further ex vivo evaluation using excised human skin, confirmed that the topical application of the peptides complex significantly increased dermal collagen expression, as well as expressions of collagen XVII and laminin. Interestingly, while the origin of the laminin protein is epidermal keratinocytes, the immunohistochemical staining of skin showed that laminin was only detected in the uppermost layer of the dermis, which suggests a tight assembly of laminin protein onto the dermal side of the DEJ. These results suggest that a peptide complex could improve the structural properties of the DEJ through its ability to stimulate BM proteins. In order to evaluate the anti-wrinkle benefits of the peptide complex in vivo, a clinical study was performed on 22 healthy Asian female volunteers older than 40 years. As a result, significant improvements in skin wrinkles for all of the five sites were observed after two weeks, as assessed by skin topographic measurements. Collectively, these results demonstrate the anti-aging efficacy of the peptides complex.
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Affiliation(s)
- Sekyoo Jeong
- Research Division, Incospharm Corporation, Daejeon 34036, Korea; (S.J.); (S.Y.); (S.K.); (J.J.); (M.K.); (K.S.); (C.L.); (H.J.C.)
| | - Seokjeong Yoon
- Research Division, Incospharm Corporation, Daejeon 34036, Korea; (S.J.); (S.Y.); (S.K.); (J.J.); (M.K.); (K.S.); (C.L.); (H.J.C.)
| | - Sungwoo Kim
- Research Division, Incospharm Corporation, Daejeon 34036, Korea; (S.J.); (S.Y.); (S.K.); (J.J.); (M.K.); (K.S.); (C.L.); (H.J.C.)
| | - Juyeon Jung
- Research Division, Incospharm Corporation, Daejeon 34036, Korea; (S.J.); (S.Y.); (S.K.); (J.J.); (M.K.); (K.S.); (C.L.); (H.J.C.)
| | - Myungho Kor
- Research Division, Incospharm Corporation, Daejeon 34036, Korea; (S.J.); (S.Y.); (S.K.); (J.J.); (M.K.); (K.S.); (C.L.); (H.J.C.)
| | - Kayoung Shin
- Research Division, Incospharm Corporation, Daejeon 34036, Korea; (S.J.); (S.Y.); (S.K.); (J.J.); (M.K.); (K.S.); (C.L.); (H.J.C.)
| | - Chaejin Lim
- Research Division, Incospharm Corporation, Daejeon 34036, Korea; (S.J.); (S.Y.); (S.K.); (J.J.); (M.K.); (K.S.); (C.L.); (H.J.C.)
| | - Hyo Sun Han
- P&K Skin Research Center Company Limited, Seoul 07236, Korea; (H.S.H.); (H.L.)
| | - Haekwang Lee
- P&K Skin Research Center Company Limited, Seoul 07236, Korea; (H.S.H.); (H.L.)
| | - Kyeong-Yong Park
- Research Division, Cha Meditech Corporation, Daejeon 34025, Korea;
| | | | - Hwa Jee Chung
- Research Division, Incospharm Corporation, Daejeon 34036, Korea; (S.J.); (S.Y.); (S.K.); (J.J.); (M.K.); (K.S.); (C.L.); (H.J.C.)
| | - Hyun Jung Kim
- CHA Bio F&C, Seongnam 13488, Korea;
- Department of Dermatology, CHA Bundang Medical Center, CHA University, Seongnam 13496, Korea
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14
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Neagu AN. Proteome Imaging: From Classic to Modern Mass Spectrometry-Based Molecular Histology. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1140:55-98. [PMID: 31347042 DOI: 10.1007/978-3-030-15950-4_4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In order to overcome the limitations of classic imaging in Histology during the actually era of multiomics, the multi-color "molecular microscope" by its emerging "molecular pictures" offers quantitative and spatial information about thousands of molecular profiles without labeling of potential targets. Healthy and diseased human tissues, as well as those of diverse invertebrate and vertebrate animal models, including genetically engineered species and cultured cells, can be easily analyzed by histology-directed MALDI imaging mass spectrometry. The aims of this review are to discuss a range of proteomic information emerging from MALDI mass spectrometry imaging comparative to classic histology, histochemistry and immunohistochemistry, with applications in biology and medicine, concerning the detection and distribution of structural proteins and biological active molecules, such as antimicrobial peptides and proteins, allergens, neurotransmitters and hormones, enzymes, growth factors, toxins and others. The molecular imaging is very well suited for discovery and validation of candidate protein biomarkers in neuroproteomics, oncoproteomics, aging and age-related diseases, parasitoproteomics, forensic, and ecotoxicology. Additionally, in situ proteome imaging may help to elucidate the physiological and pathological mechanisms involved in developmental biology, reproductive research, amyloidogenesis, tumorigenesis, wound healing, neural network regeneration, matrix mineralization, apoptosis and oxidative stress, pain tolerance, cell cycle and transformation under oncogenic stress, tumor heterogeneity, behavior and aggressiveness, drugs bioaccumulation and biotransformation, organism's reaction against environmental penetrating xenobiotics, immune signaling, assessment of integrity and functionality of tissue barriers, behavioral biology, and molecular origins of diseases. MALDI MSI is certainly a valuable tool for personalized medicine and "Eco-Evo-Devo" integrative biology in the current context of global environmental challenges.
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Affiliation(s)
- Anca-Narcisa Neagu
- Laboratory of Animal Histology, Faculty of Biology, "Alexandru Ioan Cuza" University of Iasi, Iasi, Romania.
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Anti-aging Properties of Conditioned Media of Epidermal Progenitor Cells Derived from Mesenchymal Stem Cells. Dermatol Ther (Heidelb) 2018; 8:229-244. [PMID: 29500741 PMCID: PMC6002314 DOI: 10.1007/s13555-018-0229-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Indexed: 12/18/2022] Open
Abstract
INTRODUCTION Reduced number and activities of epidermal stem cells are related to the features of photoaged skin. It was reported that conditioned media from various stem cell cultures are capable of improving the signs of cutaneous aging. This work was performed to establish epidermal progenitor cells derived from mesenchymal stem cells, and to evaluate the anti-aging efficacy of its conditioned media. METHODS Epidermal progenitor cell culture was established by differentiation from mesenchymal stem cells, and its conditioned medium (EPC-CM) was prepared. Normal human dermal fibroblasts were exposed to hydrogen peroxide and the protective effects of EPC-CM were investigated, monitoring intracellular reactive oxygen species (ROS), cellular defense enzymes, collagen biosynthesis, and mitogen-associated protein kinase (MAPK) signaling. Anti-aging efficacy of cosmetic essence (5% EPC-CM) was evaluated by a clinical test with 25 Korean women aged between 29 and 69. RESULTS Hydrogen peroxide hindered proliferation of fibroblasts and increased the levels of intracellular ROS. Pretreatment of EPC-CM protected fibroblasts from oxidative stress as shown by accelerated proliferation and reduced ROS generation. EPC-CM effectively prevented hydrogen peroxide-induced alterations of the activities, as well as mRNA and protein levels, of antioxidative enzymes, such as superoxide dismutase, catalase, and glutathione peroxidase. Reduced type I collagen biosynthesis and stimulated phosphorylation of MAPK signaling proteins, induced by oxidative damage, were also prevented by EPC-CM. In clinical study, wrinkle, depression, and skin texture were improved by the topical application of a formulation containing 5% EPC-CM within 4 weeks. CONCLUSION Epidermal progenitor cell culture was established, and its conditioned medium was developed for anti-aging therapy. EPC-CM improved signs of skin aging in clinical study, possibly via activation of cellular the defense system, as supported by in vitro results.
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Mansour A, Mezour MA, Badran Z, Tamimi F. * Extracellular Matrices for Bone Regeneration: A Literature Review. Tissue Eng Part A 2017; 23:1436-1451. [PMID: 28562183 DOI: 10.1089/ten.tea.2017.0026] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
The gold standard material for bone regeneration is still autologous bone, a mesenchymal tissue that consists mainly of extracellular matrix (ECM) (90% v/v) and little cellular content (10% v/v). However, the fact that decellularized allogenic bone grafts often present a clinical performance comparable to autologous bone grafts demonstrates the crucial role of ECM in bone regeneration. For long, the mechanism by which bone allografts function was not clear, but recent research has unveiled many unique characteristics of ECM that seem to play a key role in tissue regeneration. This is further confirmed by the fact that synthetic biomaterials with composition and properties resembling bone ECM present excellent bone regeneration properties. In this context, ECM molecules such as glycosaminoglycans (GAGs) and self-assembly peptides (SAPs) can improve the performance of bone regeneration biomaterials. Moreover, decellularized ECM derived either from native tissues such as bone, cartilage, skin, and tooth germs or from cells such as osteoblasts, chondrocytes, and stem cells has shown promising results in bone regeneration applications. Understanding the role of ECM in bone regeneration is crucial for the development of the next generation of biomaterials for bone tissue engineering. In this sense, this review addresses the state-of-the-art on this subject matter.
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Affiliation(s)
- Alaa Mansour
- 1 Faculty of Dentistry, McGill University , Montreal, Canada
| | | | - Zahi Badran
- 1 Faculty of Dentistry, McGill University , Montreal, Canada .,2 Department of Periodontology (CHU/UIC 11, INSERM UMR 1229-RMeS), Faculty of Dental Surgery, University of Nantes , Nantes, France
| | - Faleh Tamimi
- 1 Faculty of Dentistry, McGill University , Montreal, Canada
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MALDI (matrix assisted laser desorption ionization) Imaging Mass Spectrometry (IMS) of skin: Aspects of sample preparation. Talanta 2017; 174:325-335. [PMID: 28738588 DOI: 10.1016/j.talanta.2017.06.018] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Revised: 05/15/2017] [Accepted: 06/02/2017] [Indexed: 12/15/2022]
Abstract
MALDI (matrix assisted laser desorption ionization) Imaging Mass Spectrometry (IMS) allows molecular analysis of biological materials making possible the identification and localization of molecules in tissues, and has been applied to address many questions on skin pathophysiology, as well as on studies about drug absorption and metabolism. Sample preparation for MALDI IMS is the most important part of the workflow, comprising specimen collection and preservation, tissue embedding, cryosectioning, washing, and matrix application. These steps must be carefully optimized for specific analytes of interest (lipids, proteins, drugs, etc.), representing a challenge for skin analysis. In this review, critical parameters for MALDI IMS sample preparation of skin samples will be described. In addition, specific applications of MALDI IMS of skin samples will be presented including wound healing, neoplasia, and infection.
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[Methods for measuring skin aging]. Hautarzt 2016; 67:117-24. [PMID: 26746403 DOI: 10.1007/s00105-015-3752-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Aging affects human skin and is becoming increasingly important with regard to medical, social and aesthetic issues. Detection of intrinsic and extrinsic components of skin aging requires reliable measurement methods. Modern techniques, e.g., based on direct imaging, spectroscopy or skin physiological measurements, provide a broad spectrum of parameters for different applications.
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