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Jin Z, Zhang P, Huang H, Liu J, Jiang C, Zhang H, Ren L, Sun B, Chang X, Gao T, Sun W. Food-derived skin-care ingredient as a promising strategy for skin aging: Current knowledge and future perspectives. Colloids Surf B Biointerfaces 2024; 244:114170. [PMID: 39180992 DOI: 10.1016/j.colsurfb.2024.114170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2024] [Revised: 08/18/2024] [Accepted: 08/20/2024] [Indexed: 08/27/2024]
Abstract
Skin aging involves complex biochemical reactions and has attracted a growing concern recently. For it, there is a great desire to replace the hazardous and easy-recurring "therapy means" with "daily care" based on some natural and healthy ingredients. According to a novel theory called "homology of cosmetic and food", the safety, efficacy and accessibility of food-derived skin-care ingredients offer an attractive option for combating skin aging, which will be an inevitable trend of dermatology in the future. Ultraviolet (UV) radiation is a major trigger of skin aging. It acts on the skin and generates reactive oxygen species, which causing oxidative stress. More, matrix metalloproteinase and melanin levels are also upregulated by the UV-activated mitogen-activated protein kinase (MAPK) pathway and tyrosinase, respectively, resulting in collagen degradation and melanin deposition in the extracellular matrix. Through the existing studies, the relevant key biomarkers and biochemical pathways can be effectively controlled by skin-care ingredients from animal-derived and plant-derived foods as well as traditional herbs, thus preserving human skin from UV-induced aging in terms of antioxidant, collagen protection and melanin inhibition. To extend their application potential, some carriers represented by nanoliposomes can facilitate the transdermal absorption of food-derived skin-care ingredients by the variation of molecular weight and lipid solubility. The present review will provide an overview of the trigger mechanisms of skin aging, and focus on the molecular biology aspects of food-derived skin-care ingredients in skin matrix and the critical summarize of their research state.
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Affiliation(s)
- Zichun Jin
- College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China
| | - Peng Zhang
- College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China
| | - Huan Huang
- College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China
| | - Jialin Liu
- College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China
| | - Chaoping Jiang
- College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China
| | - Hanyuan Zhang
- College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China
| | - Lu Ren
- College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China
| | - Bingkun Sun
- College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China
| | - Xianghan Chang
- College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China
| | - Tingyue Gao
- College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China
| | - Wenxiu Sun
- College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China.
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Woessner AE, Witt NJ, Jones JD, Sander EA, Quinn KP. Quantification of age-related changes in the structure and mechanical function of skin with multiscale imaging. GeroScience 2024; 46:4869-4882. [PMID: 38761286 PMCID: PMC11336155 DOI: 10.1007/s11357-024-01199-9] [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: 02/05/2024] [Accepted: 05/08/2024] [Indexed: 05/20/2024] Open
Abstract
The mechanical properties of skin change during aging but the relationships between structure and mechanical function remain poorly understood. Previous work has shown that young skin exhibits a substantial decrease in tissue volume, a large macro-scale Poisson's ratio, and an increase in micro-scale collagen fiber alignment during mechanical stretch. In this study, label-free multiphoton microscopy was used to quantify how the microstructure and fiber kinematics of aged mouse skin affect its mechanical function. In an unloaded state, aged skin was found to have less collagen alignment and more non-enzymatic collagen fiber crosslinks. Skin samples were then loaded in uniaxial tension and aged skin exhibited a lower mechanical stiffness compared to young skin. Aged tissue also demonstrated less volume reduction and a lower macro-scale Poisson's ratio at 10% uniaxial strain, but not at 20% strain. The magnitude of 3D fiber realignment in the direction of loading was not different between age groups, and the amount of realignment in young and aged skin was less than expected based on theoretical fiber kinematics affine to the local deformation. These findings provide key insights on how the collagen fiber microstructure changes with age, and how those changes affect the mechanical function of skin, findings which may help guide wound healing or anti-aging treatments.
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Affiliation(s)
- Alan E Woessner
- Department of Biomedical Engineering, University of Arkansas, 123 John A. White Jr. Engineering Hall, Fayetteville, AR, 72701, USA
- Arkansas Integrative Metabolic Research Center, University of Arkansas, Fayetteville, AR, USA
| | - Nathan J Witt
- Roy J. Carver Department of Biomedical Engineering, University of Iowa, Iowa City, IA, USA
| | - Jake D Jones
- Department of Biomedical Engineering, University of Arkansas, 123 John A. White Jr. Engineering Hall, Fayetteville, AR, 72701, USA
| | - Edward A Sander
- Roy J. Carver Department of Biomedical Engineering, University of Iowa, Iowa City, IA, USA
| | - Kyle P Quinn
- Department of Biomedical Engineering, University of Arkansas, 123 John A. White Jr. Engineering Hall, Fayetteville, AR, 72701, USA.
- Arkansas Integrative Metabolic Research Center, University of Arkansas, Fayetteville, AR, USA.
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Smith P, Carroll B. Senescence in the ageing skin: a new focus on mTORC1 and the lysosome. FEBS J 2024. [PMID: 39325694 DOI: 10.1111/febs.17281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 07/23/2024] [Accepted: 09/09/2024] [Indexed: 09/28/2024]
Abstract
Ageing is defined as the progressive loss of tissue function and regenerative capacity and is caused by both intrinsic factors i.e. the natural accumulation of damage, and extrinsic factors i.e. damage from environmental stressors. Cellular senescence, in brief, is an irreversible exit from the cell cycle that occurs primarily in response to excessive cellular damage, such as from ultraviolet (UV) exposure and oxidative stress, and it has been comprehensively demonstrated to contribute to tissue and organismal ageing. In this review, we will focus on the skin, an organ which acts as an essential protective barrier against injury, insults, and infection. We will explore the evidence for the existence and contribution of cellular senescence to skin ageing. We discuss the known molecular mechanisms driving senescence in the skin, with a focus on the dysregulation of the master growth regulator, mechanistic Target of Rapamycin Complex 1 (mTORC1). We explore the interplay of dysregulated mTORC1 with lysosomes and how they contribute to senescence phenotypes.
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Dähnhardt D, Dähnhardt-Pfeiffer S, Segger D, Poeggeler B, Lemmnitz G. Restoration of the Ultrastructural Integrity of the Dermal Collagen Network by 12-Week Ingestion of Special Collagen Peptides. Dermatol Ther (Heidelb) 2024; 14:2509-2521. [PMID: 39150674 PMCID: PMC11393225 DOI: 10.1007/s13555-024-01251-8] [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: 07/04/2024] [Accepted: 08/01/2024] [Indexed: 08/17/2024] Open
Abstract
INTRODUCTION This pilot study investigated the effects of a 12-week administration of a nutritional supplement containing special collagen peptides on the structural and molecular properties of the collagen fiber network in the human skin. For the assessments, the suction blister method and electron microscopical comparisons were used. METHODS Three suction blisters were generated on the inner forearm of each test subject before and after the 12-week administration of the nutritional supplement. High-resolution scanning electron microscopy (SEM) was employed to meticulously investigate the structural characteristics of the skin's collagen network, including the length and diameter of collagen fibers within the suction blister roof. Furthermore, the analysis included immunohistochemistry and fluorescence light microscopy to study hyaluronic acid within the extracellular matrix. Additional assessments encompassed changes in various epidermal parameters. Nine female participants within the age range of 43.7-61.8 years (mean: 52.5 ± 5.9 years) completed the study in accordance with the study protocol. RESULTS Compared with baseline, the 12-week supplementation regimen led to a statistically significant average increase in the collagen fiber network size of 34.56% (p < 0.0001). Additionally, collagen fiber cross-linking and fiber length were substantially increased. The ingestion of the supplement also resulted in an 18.08% elevation in epidermal hyaluronic acid concentration (p < 0.0001). No adverse events were recorded during the study. CONCLUSION Using an innovative approach, this study demonstrated the ability of a targeted nutritional supplement to effectively restore the ultrastructural integrity of the dermal collagen network, which is typically disrupted by the natural aging process of the skin. These findings not only corroborate existing data regarding the positive effects of oral collagen peptides on skin structure and function but also contribute to our understanding of ultrastructural morphological aspects of changes in the skin's collagen network. Supplementation can induce regeneration of the collagen fiber network in the human skin. TRIAL REGISTRATION NUMBER German Clinical Trials Register, DRKS-ID DRKS00034161- Date of registration: 06.05.2024, retrospectively registered.
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Affiliation(s)
| | | | | | - Burkhard Poeggeler
- QUIRIS Healthcare GmbH & Co. KG, Isselhorster Straße 260, 33334, Gütersloh, Germany
| | - Gunter Lemmnitz
- QUIRIS Healthcare GmbH & Co. KG, Isselhorster Straße 260, 33334, Gütersloh, Germany.
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Konstantinou E, Longange E, Kaya G. Mechanisms of Senescence and Anti-Senescence Strategies in the Skin. BIOLOGY 2024; 13:647. [PMID: 39336075 PMCID: PMC11428750 DOI: 10.3390/biology13090647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2024] [Revised: 08/13/2024] [Accepted: 08/20/2024] [Indexed: 09/30/2024]
Abstract
The skin is the layer of tissue that covers the largest part of the body in vertebrates, and its main function is to act as a protective barrier against external environmental factors, such as microorganisms, ultraviolet light and mechanical damage. Due to its important function, investigating the factors that lead to skin aging and age-related diseases, as well as understanding the biology of this process, is of high importance. Indeed, it has been reported that several external and internal stressors contribute to skin aging, similar to the aging of other tissues. Moreover, during aging, senescent cells accumulate in the skin and express senescence-associated factors, which act in a paracrine manner on neighboring healthy cells and tissues. In this review, we will present the factors that lead to skin aging and cellular senescence, as well as ways to study senescence in vitro and in vivo. We will further discuss the adverse effects of the accumulation of chronic senescent cells and therapeutic agents and tools to selectively target and eliminate them.
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Affiliation(s)
- Evangelia Konstantinou
- Department of Medicine, University of Geneva, Rue Michel-Servet 1, CH-1206 Geneva, Switzerland; (E.K.); (E.L.)
| | - Eliane Longange
- Department of Medicine, University of Geneva, Rue Michel-Servet 1, CH-1206 Geneva, Switzerland; (E.K.); (E.L.)
| | - Gürkan Kaya
- Department of Medicine, University of Geneva, Rue Michel-Servet 1, CH-1206 Geneva, Switzerland; (E.K.); (E.L.)
- Departments of Dermatology and Clinical Pathology, Geneva University Hospitals, Rue Gabrielle Perret-Gentil 4, CH-1205 Geneva, Switzerland
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Cunha LB, Lepore ED, Medeiros CCB, Sorrechia R, Pietro RCLR, Corrêa MA. Can Gentisic Acid Serve as a High-Performance Antioxidant with Lower Toxicity for a Promising New Topical Application? Life (Basel) 2024; 14:1022. [PMID: 39202764 PMCID: PMC11355177 DOI: 10.3390/life14081022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Revised: 08/07/2024] [Accepted: 08/15/2024] [Indexed: 09/03/2024] Open
Abstract
Gentisic acid (2,5-dihydroxybenzoic acid) is primarily found naturally in plants and has demonstrated a significant range of biological activities; however, its efficacy and safety as a topical application ingredient are not yet well established. Thus, the compound's potential antioxidant and antimicrobial properties were evaluated for efficacy, while the cytotoxicity was evaluated for safety. The antioxidant activity, measured by the DPPH kinetic method, showed an Efficiency Concentration (EC50) of 0.09 with an antioxidant reducing power (ARP) of 11.1. The minimum inhibitory concentration (MIC) against Staphylococcus aureus was 4.15 mg/mL, Escherichia coli was 4.00 mg/mL, Candida albicans was 3.00 mg/mL, and Cutibacterium acnes was 3.60 mg/mL, and the MIC for C. acnes has remained unpublished until now. The substance showed low cytotoxicity by the neutral red uptake (NRU) methodology against HaCat, HDFa, and HepG2 cells at concentrations of up to 10.0, 7.3, and 4.0 mM, respectively, also representing unpublished data. This evidence demonstrates gentisic acid as a promising active substance for skin topical application in the cosmetic or pharmaceutical industry.
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Affiliation(s)
| | | | | | | | | | - Marcos A. Corrêa
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil; (L.B.C.); (E.D.L.); (C.C.B.M.)
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de la Fuente M, Delgado D, Beitia M, Barreda-Gómez G, Acera A, Sanchez M, Vecino E. Validation of a rapid collagenase activity detection technique based on fluorescent quenched gelatin with synovial fluid samples. BMC Biotechnol 2024; 24:50. [PMID: 39030513 PMCID: PMC11264812 DOI: 10.1186/s12896-024-00869-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Accepted: 06/13/2024] [Indexed: 07/21/2024] Open
Abstract
BACKGROUND Measuring collagenase activity is crucial in the field of joint health and disease management. Collagenases, enzymes responsible for collagen degradation, play a vital role in maintaining the balance between collagen synthesis and breakdown in joints. Dysregulation of collagenase activity leads to joint tissue degradation and diseases such as rheumatoid arthritis and osteoarthritis. The development of methods to measure collagenase activity is essential for diagnosis, disease severity assessment, treatment monitoring, and identification of therapeutic targets. RESULTS This study aimed to validate a rapid collagenase activity detection technique using synovial fluid samples. Antibody microarray analysis was initially performed to quantify the levels of matrix metalloproteinase-9 (MMP-9), a major collagenase in joints. Subsequently, the developed gelatin-based test utilizing fluorescence measurement was used to determine collagenase activity. There was a significant correlation between the presence of MMP-9 and collagenase activity. In addition, Lower Limit of Detection and Upper Limit of Detection can be preliminary estimated as 8 ng/mL and 48 ng/mL respectively. CONCLUSIONS The developed technique offers a potential point-of-care assessment of collagenase activity, providing real-time information for clinicians and researchers. By accurately quantifying collagenase activity, healthcare professionals can optimize patient care, improve treatment outcomes, and contribute to the understanding and management of joint-related disorders. Further research and validation are necessary to establish the full potential of this rapid collagenase activity detection method in clinical practice.
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Affiliation(s)
- Miguel de la Fuente
- Department of Cell Biology and Histology, Experimental Ophthalmo-Biology Group (GOBE, www.ehu.eus/gobe), University of the Basque Country UPV/EHU, Leioa, 48940, Spain
| | - Diego Delgado
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, 01008, Spain
| | - Maider Beitia
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, 01008, Spain
| | | | - Arantxa Acera
- Department of Cell Biology and Histology, Experimental Ophthalmo-Biology Group (GOBE, www.ehu.eus/gobe), University of the Basque Country UPV/EHU, Leioa, 48940, Spain
- Ikerbasque, Basque Foundation for Science, Bilbao, 48001, Spain
| | - Mikel Sanchez
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, 01008, Spain
- Arthroscopic Surgery Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, 01008, Spain
| | - Elena Vecino
- Department of Cell Biology and Histology, Experimental Ophthalmo-Biology Group (GOBE, www.ehu.eus/gobe), University of the Basque Country UPV/EHU, Leioa, 48940, Spain.
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8
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Reilly DM, Kynaston L, Naseem S, Proudman E, Laceby D. A Clinical Trial Shows Improvement in Skin Collagen, Hydration, Elasticity, Wrinkles, Scalp, and Hair Condition following 12-Week Oral Intake of a Supplement Containing Hydrolysed Collagen. Dermatol Res Pract 2024; 2024:8752787. [PMID: 39021368 PMCID: PMC11254459 DOI: 10.1155/2024/8752787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 06/12/2024] [Accepted: 06/26/2024] [Indexed: 07/20/2024] Open
Abstract
Background Hydrolysed collagen supplements are reported to fight the signs of aging and improve skin appearance, but more authoritative clinical evidence is needed to support efficacy. Aim This randomised, double-blind, placebo-controlled study evaluated the efficacy of a supplement containing hydrolysed collagen and vitamin C (Absolute Collagen, AC) on biophysical parameters and visible signs of aging for skin, scalp, and hair, when taken daily or every 48 hours. Methods We measured dermal collagen using confocal microscopy and high-resolution ultrasound. Hydration, elasticity, wrinkles, and clinical trichoscopy were measured in parallel to expert visual grading. Efficacy measures were recorded at baseline, week 6, and week 12. Results Following 12 weeks daily use of the AC supplement, using confocal microscopy, we observed a significant 44.6% decrease in fragmentation vs. placebo (p < 0.01). We also measured a change in the ultrasound LEP (low echogenic pixel) ratio comparing upper and lower dermis (-9.24 vs. -7.83, respectively, p=0.05), suggesting collagen improvements occurred more in the upper dermal compartment. After 12 weeks vs. placebo, skin hydration was increased by 13.8% (p < 0.01), R2 elasticity index was increased by 22.7% (p<0.01), and Rz profilometry index was decreased by 19.6% (p < 0.01). Trichoscopy showed an average 11.0% improvement in scalp scaling and a 27.6% increase in the total number of hairs counted vs. placebo (p=n.s.). This was associated with a 31.9% increase in clinical grading score for hair healthy appearance (p < 0.01). Conclusion The AC supplement has shown clinical benefits for skin, scalp, and hair, when used either daily or every 48 hours, over a 12-week period.
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Affiliation(s)
| | - Liane Kynaston
- Absolute Collagen, 6 Bennetts Hill, Birmingham B2 5ST, UK
| | - Salma Naseem
- Absolute Collagen, 6 Bennetts Hill, Birmingham B2 5ST, UK
| | - Eva Proudman
- Absolute Collagen, 6 Bennetts Hill, Birmingham B2 5ST, UK
| | - Darcy Laceby
- Absolute Collagen, 6 Bennetts Hill, Birmingham B2 5ST, UK
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Witt NJ, Woessner AE, Herrmann J, Quinn KP, Sander EA. Mechanical Models of Collagen Networks for Understanding Changes in the Failure Properties of Aging Skin. J Biomech Eng 2024; 146:071002. [PMID: 38183223 PMCID: PMC10983714 DOI: 10.1115/1.4064406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 12/19/2023] [Accepted: 12/27/2023] [Indexed: 01/07/2024]
Abstract
Skin undergoes mechanical alterations due to changes in the composition and structure of the collagenous dermis with aging. Previous studies have conflicting findings, with both increased and decreased stiffness reported for aging skin. The underlying structure-function relationships that drive age-related changes are complex and difficult to study individually. One potential contributor to these variations is the accumulation of nonenzymatic crosslinks within collagen fibers, which affect dermal collagen remodeling and mechanical properties. Specifically, these crosslinks make individual fibers stiffer in their plastic loading region and lead to increased fragmentation of the collagenous network. To better understand the influence of these changes, we investigated the impact of nonenzymatic crosslink changes on the dermal microstructure using discrete fiber networks representative of the dermal microstructure. Our findings suggest that stiffening the plastic region of collagen's mechanical response has minimal effects on network-level stiffness and failure stresses. Conversely, simulating fragmentation through a loss of connectivity substantially reduces network stiffness and failure stress, while increasing stretch ratios at failure.
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Affiliation(s)
- Nathan J. Witt
- Roy J. Carver Department of Biomedical Engineering, College of Engineering, University of Iowa, Iowa City, IA 52240
| | - Alan E. Woessner
- Department of Biomedical Engineering, University of Arkansas, Fayetteville, AR 72701
| | - Jacob Herrmann
- Roy J. Carver Department of Biomedical Engineering, College of Engineering, University of Iowa, Iowa City, IA 52242
| | - Kyle P. Quinn
- Department of Biomedical Engineering, University of Arkansas, Fayetteville, AR 72701
| | - Edward A. Sander
- Roy J. Carver Department of Biomedical Engineering, College of Engineering, University of Iowa, 5629 Seamans Center, Iowa City, IA 52242; Department of Orthopedics and Rehabilitation, Carver College of Medicine, University of Iowa, Iowa City, IA 52242
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Kim JO, An G, Choi JH. Protective effect of mixture of Acanthopanax sessiliflorum and Chaenomeles sinensis against ultraviolet B-induced photodamage in human fibroblast and hairless mouse. Food Sci Biotechnol 2024; 33:1715-1725. [PMID: 38623430 PMCID: PMC11016041 DOI: 10.1007/s10068-023-01462-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 09/08/2023] [Accepted: 10/10/2023] [Indexed: 04/17/2024] Open
Abstract
Skin photoaging, characterized by collagen degradation and upregulation of matrix metalloproteinases (MMPs), is a major concern caused by UVB irradiation. In this study, we investigated the potential of Acanthopanax sessiliflorum extract (ASE) and Chaenomeles sinensis (CSE) extracts to mitigate the effects of UVB-induced photodamage in human fibroblast and hairless mice. Water extracts of AS (ASE) and CS (CSE) were found to inhibit the expression of MMP-1/-3 in vitro. Furthermore, the extract of mixture of AS and CS (ACE) showed more potent inhibitor effect, as compared to ASE and CSE. In UVB-irradiated hairless mice, oral administration of ACE effectively reduced wrinkle formation, skin roughness, and epidermal thickness while promoting the deposition of collagenous fibers. These results indicate that ACE has the potential to protect against skin photoaging by restoring the impaired skin via downregulation of MMP-1/-3 expression and secretion. Our findings highlight the therapeutic potential of ACE in mitigating skin photoaging. Supplementary Information The online version contains supplementary material available at 10.1007/s10068-023-01462-3.
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Affiliation(s)
- Jin-Ok Kim
- Department of Biomedical and Pharmaceutical Science, Kyung Hee University, Seoul, 02447 South Korea
| | - Gami An
- Department of Biomedical and Pharmaceutical Science, Kyung Hee University, Seoul, 02447 South Korea
| | - Jung-Hye Choi
- Department of Biomedical and Pharmaceutical Science, Kyung Hee University, Seoul, 02447 South Korea
- College of Pharmacy, Kyung Hee University, Seoul, 02447 South Korea
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11
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Kim JY, Quan T. Emerging Perspectives of YAP/TAZ in Human Skin Epidermal and Dermal Aging. Ann Dermatol 2024; 36:135-144. [PMID: 38816974 PMCID: PMC11148314 DOI: 10.5021/ad.23.156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/25/2024] [Accepted: 02/18/2024] [Indexed: 06/01/2024] Open
Abstract
Yes-associated protein (YAP) and transcriptional coactivator with PDZ-binding motif (TAZ) are key downstream effectors of the Hippo signaling pathway, which plays a central role in tissue homeostasis, organ development, and regeneration. While the dysregulation of YAP/TAZ has been linked to various human diseases, their involvement in the aging of human skin has only recently begun to manifest. In the skin, the YAP/TAZ effectors emerge as central regulators in maintaining homeostasis of epidermal stem cells and dermal extracellular matrix, and thus intimately linked to skin aging processes. This review underscores recent molecular breakthroughs highlighting how age-related decline of YAP/TAZ activity impacts human epidermal and dermal aging. Gaining insight into the evolving roles of YAP/TAZ in human skin aging presents a promising avenue for the development of innovative therapeutic approaches aimed at enhancing skin health and addressing age-related skin conditions.
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Affiliation(s)
- Jun Young Kim
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI, USA
- Department of Dermatology, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Taihao Quan
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI, USA.
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12
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Lim J, Lee H, Hong S, Lee J, Kim Y. Comparison of the Antioxidant Potency of Four Triterpenes of Centella asiatica against Oxidative Stress. Antioxidants (Basel) 2024; 13:483. [PMID: 38671930 PMCID: PMC11047496 DOI: 10.3390/antiox13040483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 04/12/2024] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
We comparatively evaluated the antioxidant properties of key triterpenes from Centella asiatica, including asiatic acid (AA), asiaticoside, madecassic acid, and madecassoside, in several cell types, including skin fibroblasts, macrophages, hepatocytes, and endothelial cells, under conditions promoting oxidative stress. AA conferred the highest viability on Hs68 cells exposed to ultraviolet B (UVB) irradiation. Triterpene pretreatment attenuated the UVB-induced generation of reactive oxygen species (ROS) and malondialdehyde (MDA), as well as the UVB-induced depletion of glutathione (GSH) in skin fibroblasts. AA most potently inhibited UVB-induced MMP generation, resulting in increased intracellular collagen levels. Pretreatment with triterpenes, particularly AA, significantly improved cell viability and attenuated TBHP-induced levels of ROS, alanine aminotransferase, and aspartate aminotransferase in HepG2 cells. Triterpenes attenuated ROS levels and reduced MDA and GSH expression in EA.hy926 cells. In RAW264.7 macrophages, production of nitric oxide, tumor necrosis factor-α, and interleukin-6 (indicators of LPS-induced oxidative damage) was significantly reduced by treatment with any of the triterpenes. Statistical analyses of triterpene biological activities using principal component analysis and hierarchical clustering revealed that AA exerted the greatest overall influence and showed remarkable activity in Hs68 and HepG2 cells.
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Affiliation(s)
- Jinyeong Lim
- Department of Food Science and Biotechnology, Chungbuk National University, Cheongju 28644, Republic of Korea; (J.L.); (H.L.); (S.H.)
| | - Hana Lee
- Department of Food Science and Biotechnology, Chungbuk National University, Cheongju 28644, Republic of Korea; (J.L.); (H.L.); (S.H.)
| | - Seonghwa Hong
- Department of Food Science and Biotechnology, Chungbuk National University, Cheongju 28644, Republic of Korea; (J.L.); (H.L.); (S.H.)
| | - Junsoo Lee
- Department of Food Science and Biotechnology, Chungbuk National University, Cheongju 28644, Republic of Korea; (J.L.); (H.L.); (S.H.)
| | - Younghwa Kim
- Department of Food Science and Biotechnology, Kyungsung University, Busan 48434, Republic of Korea
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Fullard N, Wordsworth J, Welsh C, Maltman V, Bascom C, Tasseff R, Isfort R, Costello L, Scanlan RL, Przyborski S, Shanley D. Cell Senescence-Independent Changes of Human Skin Fibroblasts with Age. Cells 2024; 13:659. [PMID: 38667274 PMCID: PMC11048776 DOI: 10.3390/cells13080659] [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: 02/22/2024] [Revised: 03/15/2024] [Accepted: 03/20/2024] [Indexed: 04/28/2024] Open
Abstract
Skin ageing is defined, in part, by collagen depletion and fragmentation that leads to a loss of mechanical tension. This is currently believed to reflect, in part, the accumulation of senescent cells. We compared the expression of genes and proteins for components of the extracellular matrix (ECM) as well as their regulators and found that in vitro senescent cells produced more matrix metalloproteinases (MMPs) than proliferating cells from adult and neonatal donors. This was consistent with previous reports of senescent cells contributing to increased matrix degradation with age; however, cells from adult donors proved significantly less capable of producing new collagen than neonatal or senescent cells, and they showed significantly lower myofibroblast activation as determined by the marker α-SMA. Functionally, adult cells also showed slower migration than neonatal cells. We concluded that the increased collagen degradation of aged fibroblasts might reflect senescence, the reduced collagen production likely reflects senescence-independent processes.
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Affiliation(s)
- Nicola Fullard
- Department of Biosciences, Durham University, Durham DH1 3LE, UK
| | - James Wordsworth
- Biosciences Institute, Newcastle University, Newcastle upon Tyne NE1 7RU, UK; (J.W.); (C.W.)
| | - Ciaran Welsh
- Biosciences Institute, Newcastle University, Newcastle upon Tyne NE1 7RU, UK; (J.W.); (C.W.)
| | - Victoria Maltman
- Department of Biosciences, Durham University, Durham DH1 3LE, UK
| | | | - Ryan Tasseff
- Proctor & Gamble, Cincinnati, OH 45201, USA (R.I.)
| | | | - Lydia Costello
- Department of Biosciences, Durham University, Durham DH1 3LE, UK
| | - Rebekah-Louise Scanlan
- Biosciences Institute, Newcastle University, Newcastle upon Tyne NE1 7RU, UK; (J.W.); (C.W.)
| | | | - Daryl Shanley
- Biosciences Institute, Newcastle University, Newcastle upon Tyne NE1 7RU, UK; (J.W.); (C.W.)
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14
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Asthana P, Wong HLX. Preventing obesity, insulin resistance and type 2 diabetes by targeting MT1-MMP. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167081. [PMID: 38367902 DOI: 10.1016/j.bbadis.2024.167081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 02/08/2024] [Accepted: 02/12/2024] [Indexed: 02/19/2024]
Abstract
Obesity is one of the predominant risk factors for type 2 diabetes. Despite all the modern advances in medicine, an effective drug treatment for obesity without overt side effects has not yet been found. The discovery of growth and differentiation factor 15 (GDF15), an appetite-regulating hormone, created hopes for the treatment of obesity. However, an insufficient understanding of the physiological regulation of GDF15 has been a major obstacle to mitigating GDF15-centric treatment of obesity. Our recent studies revealed how a series of proteolytic events predominantly mediated by membrane-type 1 matrix metalloproteinase (MT1-MMP/MMP14), a key cell-surface metalloproteinase involved in extracellular remodeling, contribute to the pathogenesis of metabolic disorders, including obesity and diabetes. The MT1-MMP-mediated cleavage of the GDNF family receptor-α-like (GFRAL), a key neuronal receptor of GDF15, controls the satiety center in the hindbrain, thereby regulating non-homeostatic appetite and bodyweight changes. Furthermore, increased activation of MT1-MMP does not only lead to increased risk of obesity, but also causes age-associated insulin resistance by cleaving Insulin Receptor in major metabolic tissues. Importantly, inhibition of MT1-MMP effectively protects against obesity and diabetes, revealing the therapeutic potential of targeting MT1-MMP for the management of metabolic disorders.
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Affiliation(s)
- Pallavi Asthana
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong
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15
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He X, Gao X, Guo Y, Xie W. Research Progress on Bioactive Factors against Skin Aging. Int J Mol Sci 2024; 25:3797. [PMID: 38612608 PMCID: PMC11011925 DOI: 10.3390/ijms25073797] [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: 03/12/2024] [Revised: 03/24/2024] [Accepted: 03/26/2024] [Indexed: 04/14/2024] Open
Abstract
The relentless pursuit of effective strategies against skin aging has led to significant interest in the role of bioactive factors, particularly secondary metabolites from natural sources. The purpose of this study is to meticulously explore and summarize the recent advancements in understanding and utilization of bioactive factors against skin aging, with a focus on their sources, mechanisms of action, and therapeutic potential. Skin, the largest organ of the body, directly interacts with the external environment, making it susceptible to aging influenced by factors such as UV radiation, pollution, and oxidative stress. Among various interventions, bioactive factors, including peptides, amino acids, and secondary metabolites, have shown promising anti-aging effects by modulating the biological pathways associated with skin integrity and youthfulness. This article provides a comprehensive overview of these bioactive compounds, emphasizing collagen peptides, antioxidants, and herbal extracts, and discusses their effectiveness in promoting collagen synthesis, enhancing skin barrier function, and mitigating the visible signs of aging. By presenting a synthesis of the current research, this study aims to highlight the therapeutic potential of these bioactive factors in developing innovative anti-aging skin care solutions, thereby contributing to the broader field of dermatological research and offering new perspectives for future studies. Our findings underscore the importance of the continued exploration of bioactive compounds for their potential to revolutionize anti-aging skin care and improve skin health and aesthetics.
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Affiliation(s)
- Xin He
- State Key Laboratory of Chemical Oncogenomics, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China; (X.H.); (X.G.); (Y.G.)
- Open FIESTA Center, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Shenzhen Key Laboratory of Health Science and Technology, Institute of Biopharmaceutical and Health, Tsinghua University, Shenzhen 518055, China
| | - Xinyu Gao
- State Key Laboratory of Chemical Oncogenomics, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China; (X.H.); (X.G.); (Y.G.)
- Shenzhen Key Laboratory of Health Science and Technology, Institute of Biopharmaceutical and Health, Tsinghua University, Shenzhen 518055, China
| | - Yifan Guo
- State Key Laboratory of Chemical Oncogenomics, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China; (X.H.); (X.G.); (Y.G.)
- Open FIESTA Center, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Shenzhen Key Laboratory of Health Science and Technology, Institute of Biopharmaceutical and Health, Tsinghua University, Shenzhen 518055, China
| | - Weidong Xie
- State Key Laboratory of Chemical Oncogenomics, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China; (X.H.); (X.G.); (Y.G.)
- Open FIESTA Center, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Shenzhen Key Laboratory of Health Science and Technology, Institute of Biopharmaceutical and Health, Tsinghua University, Shenzhen 518055, China
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16
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Zhong X, Deng Y, Yang H, Du X, Liu P, Du Y. Role of autophagy in skin photoaging: A narrative review. Medicine (Baltimore) 2024; 103:e37178. [PMID: 38394552 PMCID: PMC11309671 DOI: 10.1097/md.0000000000037178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 01/17/2024] [Indexed: 02/25/2024] Open
Abstract
As the largest organ of the human body, the skin serves as the primary barrier against external damage. The continuous increase in human activities and environmental pollution has resulted in the ongoing depletion of the ozone layer. Excessive exposure to ultraviolet (UV) radiation enhances the impact of external factors on the skin, leading to photoaging. Photoaging causes physical and psychological damage to the human body. The prevention and management of photoaging have attracted increased attention in recent years. Despite significant progress in understanding and mitigating UV-induced photoaging, the precise mechanisms through which autophagy contributes to the prevention of photoaging remain unclear. Given the important role of autophagy in repairing UV-induced DNA damage and scavenging oxidized lipids, autophagy is considered a novel strategy for preventing the occurrence of photoaging and other UV light-induced skin diseases. This review aims to elucidate the biochemical and clinical features of photoaging, the relationship of skin photoaging and chronological aging, the mechanisms underlying skin photoaging and autophagy, and the role of autophagy in skin photoaging.
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Affiliation(s)
- Xiaojiao Zhong
- Medical Cosmetic Center, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Ying Deng
- Medical Cosmetic Center, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Hongqiu Yang
- Medical Cosmetic Center, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Xiaoshuang Du
- Medical Cosmetic Center, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Ping Liu
- Medical Cosmetic Center, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Yu Du
- Medical Cosmetic Center, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
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17
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Reis R, Kolci K, Yedikardes EN, Coskun GP, Uzuner Y. Dermal thirdhand smoke exposure induced epidermal alterations in human keratinocyte cells through oxidative damage and MMP-1 expression. Exp Dermatol 2024; 33:e15020. [PMID: 38414073 DOI: 10.1111/exd.15020] [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: 08/25/2023] [Revised: 11/30/2023] [Accepted: 01/07/2024] [Indexed: 02/29/2024]
Abstract
Thirdhand smoke (THS) is the residual cigarette smoke that settles on indoor surface fabrics, dust and can accumulate in the environment. Therefore, it can be a risk factor for individuals who have frequent dermal contact with THS-contaminated surfaces. In the present study, it was aimed to elucidate the toxicity of dermal THS exposure in HaCaT human keratinocytes. The THS was extracted from terrycloth exposed to 3R4F research cigarette smoke in a closed chamber and the adverse outcomes induced by THS were determined through assessment of cytotoxicity tests (MTT and NRU), intracellular GSH level, total SOD activity, matrix metalloproteinase-1 (MMP-1) and IL-6 levels. The wound healing capacity of THS-exposed keratinocytes was evaluated via scratch assay. A potent antioxidant isothiocyanate compound, sulforaphane (SFN), was used as a negative control. THS was dose-dependently cytotoxic (12.5%-100%, v/v) to the HaCaT cells through mitochondrial cell dysfunction (p < 0.01), which was ameliorated by SFN (0.62 μM) pre-treatment. In parallel, THS exposure significantly decreased the intracellular GSH deposits and T-SOD activity in keratinocytes. Collagen degradation through elevated MMP-1 expression was observed in THS-exposed cells in parallel with the delay of wound healing and increased pro-inflammatory response in a dose-dependent manner (p < 0.05). The findings are expected to raise awareness about THS as an environmental pollutant for skin, particularly in the highest-ranked countries in cigarette consumption. To conclude, these results might contribute to the studies on the importance of dermal exposure to THS in the pathogenesis of epidermal alterations and the other skin diseases.
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Affiliation(s)
- Rengin Reis
- Department of Toxicology, Faculty of Pharmacy, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey
| | - Kubra Kolci
- Department of Toxicology, Faculty of Pharmacy, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey
- Department of Toxicology, Faculty of Pharmacy, Yeditepe University, Istanbul, Turkey
| | - Eda Nil Yedikardes
- Department of Toxicology, Faculty of Pharmacy, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey
| | - Goknil Pelin Coskun
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey
| | - Yasemin Uzuner
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey
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18
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Baek SW, Kim DM, Lee S, Song DH, Park GM, Park CG, Han DK. Bulk Modification with Inorganic Particles and Immobilization of Extracellular Vesicles onto PDO Composite for Facial Rejuvenation. Tissue Eng Regen Med 2024; 21:199-208. [PMID: 38261265 PMCID: PMC10825105 DOI: 10.1007/s13770-023-00622-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 12/14/2023] [Accepted: 12/17/2023] [Indexed: 01/24/2024] Open
Abstract
BACKGROUND The skin, a vital organ protecting against microorganisms and dehydration, undergoes structural decline with aging, leading to visible issues such as wrinkles and sagging. Reduced blood vessels exacerbate vulnerability, hindering optimal cellular function and compromising skin health. Polydioxanone (PDO) biomaterials address aging concerns but produce acidic byproducts, causing inflammation. Inorganic particles and nitric oxide (NO) play crucial roles in inhibiting inflammation and promoting skin regeneration. Stem cell-derived extracellular vesicles (EVs) contribute to intercellular communication, offering the potential to enhance cell functions. The study proposes a method to enhance PDO-based medical devices by incorporating inorganic particles and immobilizing EVs, focusing on facial rejuvenation, anti-inflammatory response, collagen formation, and angiogenesis. METHOD PDO composites with inorganic particles such as magnesium hydroxide (MH) and zinc oxide (ZO) were prepared and followed by EV immobilization. Comprehensive characterization included biocompatibility, anti-inflammation, collagen formation ability, and angiogenesis ability. RESULTS Bulk-modified PDO composites demonstrated even dispersion of inorganic particles, pH neutralization, and enhanced biocompatibility. EVs immobilized on the composite surface exhibited spherical morphology. Inflammation-related gene expressions decreased, emphasizing anti-inflammatory effects. Collagen-related gene and protein expressions increased, showcasing collagen formation ability. In addition, angiogenic capabilities were notably improved, indicating potential for skin rejuvenation. CONCLUSION The study successfully developed and characterized PDO composites with inorganic particles and EVs, demonstrating promising attributes for medical applications. These composites exhibit biocompatibility, anti-inflammatory properties, collagen formation ability, and angiogenic potential, suggesting their utility in skin rejuvenation and tissue engineering. Further research and clinical validation are essential.
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Affiliation(s)
- Seung-Woon Baek
- Department of Biomedical Science, CHA University, 335 Pangyo-Ro, Bundang-Gu, Seongnam-Si, Gyeonggi, 13488, Korea
- Department of Biomedical Engineering, SKKU Institute for Convergence, Sungkyunkwan University (SKKU), 2066 Seobu-Ro, Jangan-Gu, Suwon-Si, Gyeonggi, 16419, Korea
- Department of Intelligent Precision Healthcare Convergence, SKKU Institute for Convergence, Sungkyunkwan University, 2066 Seobu-Ro, Jangan-Gu, Suwon-Si, Gyeonggi, 16419, Korea
| | - Dong Min Kim
- Department of Biomedical Science, CHA University, 335 Pangyo-Ro, Bundang-Gu, Seongnam-Si, Gyeonggi, 13488, Korea
| | - Semi Lee
- Department of Biomedical Science, CHA University, 335 Pangyo-Ro, Bundang-Gu, Seongnam-Si, Gyeonggi, 13488, Korea
| | - Duck Hyun Song
- Department of Biomedical Science, CHA University, 335 Pangyo-Ro, Bundang-Gu, Seongnam-Si, Gyeonggi, 13488, Korea
| | - Gi-Min Park
- Department of Biomedical Science, CHA University, 335 Pangyo-Ro, Bundang-Gu, Seongnam-Si, Gyeonggi, 13488, Korea
| | - Chun Gwon Park
- Department of Biomedical Engineering, SKKU Institute for Convergence, Sungkyunkwan University (SKKU), 2066 Seobu-Ro, Jangan-Gu, Suwon-Si, Gyeonggi, 16419, Korea
- Department of Intelligent Precision Healthcare Convergence, SKKU Institute for Convergence, Sungkyunkwan University, 2066 Seobu-Ro, Jangan-Gu, Suwon-Si, Gyeonggi, 16419, Korea
| | - Dong Keun Han
- Department of Biomedical Science, CHA University, 335 Pangyo-Ro, Bundang-Gu, Seongnam-Si, Gyeonggi, 13488, Korea.
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19
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Li X, Mao X, Cong J, Zhang Q, Chen W, Yan K, Huang Y, Su D, Xiang Q. Recombinantly expressed rhFEB remodeled the skin defect of db/db mice. Appl Microbiol Biotechnol 2024; 108:183. [PMID: 38285241 PMCID: PMC10824822 DOI: 10.1007/s00253-024-13021-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 01/04/2024] [Accepted: 01/18/2024] [Indexed: 01/30/2024]
Abstract
Fibronectin (FN) and collagen are vital components of the extracellular matrix (ECM). These proteins are essential for tissue formation and cell alignment during the wound healing stage. In particular, FN interacts with collagens to activate various intracellular signaling pathways to maintain ECM stability. A novel recombinant extra domain-B fibronectin (EDB-FN)-COL3A1 fusion protein (rhFEB) was designed to mimic the ECM to promote chronic and refractory skin ulcer wound healing. rhFEB significantly enhanced cell adhesion and migration, vascular ring formation, and the production of new collagen I (COL1A1) in vitro. rhFEB decreased M1 macrophages and further modulated the wound microenvironment, which was confirmed by the treatment of db/db mice with rhFEB. Accelerated wound healing was shown during the initial stages in rhFEB-treated db/db mice, as was enhanced follicle regeneration, re-epithelialization, collagen deposition, granulation, inflammation, and angiogenesis. The wound chronicity of diabetic foot ulcers (DFUs) remains the main challenge in current and future treatment. rhFEB may be a candidate molecule for regulating M1 macrophages during DFU healing. KEY POINTS: • A recombinant protein EDB-FN-collagen III (rhFEB) was highly expressed in Escherichia coli • rhFEB protein induces COL1A1 secretion in human skin fibroblasts • rhFEB protein accelerates diabetic wound healing.
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Affiliation(s)
- Xiaomin Li
- Perfect Life and Health Institute Co., Ltd, Zhongshan, China
| | - Xinliang Mao
- Perfect Life and Health Institute Co., Ltd, Zhongshan, China
| | - Jianhang Cong
- Institute of Biomedicine and Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou, China
| | - Qirong Zhang
- Biopharmaceutical R&D Center, Jinan University, Guangzhou, China
| | - Wenjie Chen
- Perfect Life and Health Institute Co., Ltd, Zhongshan, China
| | - Kunjun Yan
- Biopharmaceutical R&D Center, Jinan University, Guangzhou, China
| | - Yadong Huang
- Institute of Biomedicine and Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou, China
- Biopharmaceutical R&D Center, Jinan University, Guangzhou, China
| | - Dun Su
- Perfect Life and Health Institute Co., Ltd, Zhongshan, China.
| | - Qi Xiang
- Institute of Biomedicine and Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou, China.
- Biopharmaceutical R&D Center, Jinan University, Guangzhou, China.
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20
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Wang F, Do TT, Smith N, Orringer JS, Kang S, Voorhees JJ, Fisher GJ. Implications for cumulative and prolonged clinical improvement induced by cross-linked hyaluronic acid: An in vivo biochemical/microscopic study in humans. Exp Dermatol 2024; 33:e14998. [PMID: 38284186 DOI: 10.1111/exd.14998] [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: 08/01/2023] [Revised: 12/09/2023] [Accepted: 12/12/2023] [Indexed: 01/30/2024]
Abstract
In photoaged human skin, type I collagen fragmentation impairs dermal extracellular matrix (ECM) integrity, resulting in collapsed/contracted fibroblasts with reduced type I procollagen synthesis. Injections of cross-linked hyaluronic acid (CL-HA) reverse these deleterious changes. To investigate the time course and effects of biochemical changes induced by injected CL-HA, particularly whether fibroblast activation leads to accumulation/deposition of dermal collagen, we injected CL-HA into photoaged skin of human participants over 60 years-old and performed biochemical/microscopic analyses of skin samples. Beginning 1 week post-injection and lasting 6-9 months, fibroblasts exhibited activation, including increased immunostaining and gene expression of markers of type I collagen synthesis, such as heat shock protein 47 and components of the transforming growth factor-β pathway. At 1 week post-injection, multiphoton microscopy revealed elongation/stretching of fibroblasts, indicating enhanced dermal mechanical support. At 4 weeks, second-harmonic generation microscopy revealed thick collagen bundles densely packed around pools of injected CL-HA. At 12 months, accumulation of thick collagen bundles was observed and injected CL-HA remained present in substantial amounts. Thus, by occupying space in the dermal ECM, injected CL-HA rapidly and durably enhances mechanical support, stimulating fibroblast elongation and activation, which results in thick, densely packed type I collagen bundles accumulating as early as 4 weeks post-injection and continuing for at least a year. These observations indicate that early and prolonged clinical improvement following CL-HA injection results from space-filling and collagen deposition. As type I collagen has an estimated half-life of 15 years, our data provide the foundations for optimizing the timing/frequency of repeat CL-HA injections.
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Affiliation(s)
- Frank Wang
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - Thy Thy Do
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - Noah Smith
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - Jeffrey S Orringer
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - Sewon Kang
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - John J Voorhees
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - Gary J Fisher
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
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21
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Ni H, Liu C, Kong L, Zhai L, Chen J, Liu Q, Chen Z, Wu M, Chen J, Guo Y, Bai W, Zhang D, Xia K, Huang G, Pan S, Liao B, Ma K, Zhang LK, Cheng J, Guan YQ. Preparation of injectable porcine skin-derived collagen and its application in delaying skin aging by promoting the adhesion and chemotaxis of skin fibroblasts. Int J Biol Macromol 2023; 253:126718. [PMID: 37673166 DOI: 10.1016/j.ijbiomac.2023.126718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/18/2023] [Accepted: 09/03/2023] [Indexed: 09/08/2023]
Abstract
Collagen, as the main component of human skin, plays a vital role in maintaining dermal integrity. Its loss will lead to dermis destruction and collapse, resulting in skin aging. At present, injection of exogenous collagen is an important means to delay skin aging. In this study, high-purity collagen was extracted from porcine skin. Our research revealed that it can effectively promote the adhesion and chemotaxis of HSF cells. It can also reduce the expression of β-galactosidase, decrease ROS levels, and increase the expression of the collagen precursors, p53 and p16 in HSF cells during senescence. After local injection into the aging skin of rats, it was found that the number of cells and type I collagen fibers in the dermis increased significantly, and the arrangement of these fibers became more uniform and orderly. Moreover, the important thing is that it is biocompatible. To sum up, the porcine skin collagen we extracted is an anti-aging biomaterial with application potential.
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Affiliation(s)
- He Ni
- School of Life Science, South China Normal University, Guangzhou 510631, China; Chongqing Fanghe Biotechnology Co., LTD, Chongqing 400000, China
| | - Chao Liu
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Lili Kong
- Chongqing Fanghe Biotechnology Co., LTD, Chongqing 400000, China
| | - Limin Zhai
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Jiapeng Chen
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Qingpeng Liu
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Zhendong Chen
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Mengdie Wu
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Jie Chen
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Yiyan Guo
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Weiwei Bai
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Dandan Zhang
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Kunwen Xia
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Guowei Huang
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Shengjun Pan
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Beining Liao
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Kuo Ma
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Ling-Kun Zhang
- School of Life Science, South China Normal University, Guangzhou 510631, China; South China Normal University-Panyu Central Hospital Joint Laboratory of Translational Medical Research, Panyu Central Hospital, Guangzhou 511400, China; MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, Guangdong Provincial Key Laboratory of Laser Life Science, Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China.
| | - Jian Cheng
- Chongqing Fanghe Biotechnology Co., LTD, Chongqing 400000, China.
| | - Yan-Qing Guan
- School of Life Science, South China Normal University, Guangzhou 510631, China; South China Normal University-Panyu Central Hospital Joint Laboratory of Translational Medical Research, Panyu Central Hospital, Guangzhou 511400, China; MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, Guangdong Provincial Key Laboratory of Laser Life Science, Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China.
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22
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Kim MJ, Ko H, Kim JY, Kim HJ, Kim HY, Cho HE, Cho HD, Seo WS, Kang HC. Improvement in Yield of Extracellular Vesicles Derived from Edelweiss Callus Treated with LED Light and Enhancement of Skin Anti-Aging Indicators. Curr Issues Mol Biol 2023; 45:10159-10178. [PMID: 38132480 PMCID: PMC10742862 DOI: 10.3390/cimb45120634] [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: 11/24/2023] [Revised: 12/09/2023] [Accepted: 12/15/2023] [Indexed: 12/23/2023] Open
Abstract
The process of skin aging is currently recognized as a disease, and extracellular vesicles (EVs) are being used to care for it. While various EVs are present in the market, there is a growing need for research on improving skin conditions through microbial and plant-derived EVs. Edelweiss is a medicinal plant and is currently an endangered species. Callus culture is a method used to protect rare medicinal plants, and recently, research on EVs using callus culture has been underway. In this study, the researchers used LED light to increase the productivity of Edelweiss EVs and confirmed that productivity was enhanced by LED exposure. Additionally, improvements in skin anti-aging indicators were observed. Notably, M-LED significantly elevated callus fresh and dry weight, with a DW/FW ratio of 4.11%, indicating enhanced proliferation. Furthermore, M-LED boosted secondary metabolite production, including a 20% increase in total flavonoids and phenolics. The study explores the influence of M-LED on EV production, revealing a 2.6-fold increase in concentration compared to darkness. This effect is consistent across different plant species (Centella asiatica, Panax ginseng), demonstrating the universality of the phenomenon. M-LED-treated EVs exhibit a concentration-dependent inhibition of reactive oxygen species (ROS) production, surpassing dark-cultured EVs. Extracellular melanin content analysis reveals M-LED-cultured EVs' efficacy in reducing melanin production. Additionally, the expression of key skin proteins (FLG, AQP3, COL1) is significantly higher in fibroblasts treated with M-LED-cultured EVs. These results are expected to provide valuable insights into research on improving the productivity of plant-derived EVs and enhancing skin treatment using plant-derived EVs.
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Affiliation(s)
- Mi-Jung Kim
- Human & Microbiome Communicating Laboratory, GFC Co., Ltd., Hwaseong 18471, Republic of Korea; (M.-J.K.); (J.-Y.K.); (H.-J.K.)
| | - Hoon Ko
- Creative Innovation Research Center, Cosmecca Korea Co., Ltd., Seongnam 13488, Republic of Korea; (H.K.); (H.-Y.K.); (H.-E.C.); (H.-D.C.)
| | - Ji-Young Kim
- Human & Microbiome Communicating Laboratory, GFC Co., Ltd., Hwaseong 18471, Republic of Korea; (M.-J.K.); (J.-Y.K.); (H.-J.K.)
| | - Hye-Jin Kim
- Human & Microbiome Communicating Laboratory, GFC Co., Ltd., Hwaseong 18471, Republic of Korea; (M.-J.K.); (J.-Y.K.); (H.-J.K.)
| | - Hwi-Yeob Kim
- Creative Innovation Research Center, Cosmecca Korea Co., Ltd., Seongnam 13488, Republic of Korea; (H.K.); (H.-Y.K.); (H.-E.C.); (H.-D.C.)
| | - Hang-Eui Cho
- Creative Innovation Research Center, Cosmecca Korea Co., Ltd., Seongnam 13488, Republic of Korea; (H.K.); (H.-Y.K.); (H.-E.C.); (H.-D.C.)
| | - Hyun-Dae Cho
- Creative Innovation Research Center, Cosmecca Korea Co., Ltd., Seongnam 13488, Republic of Korea; (H.K.); (H.-Y.K.); (H.-E.C.); (H.-D.C.)
| | - Won-Sang Seo
- Human & Microbiome Communicating Laboratory, GFC Co., Ltd., Hwaseong 18471, Republic of Korea; (M.-J.K.); (J.-Y.K.); (H.-J.K.)
| | - Hee-Cheol Kang
- Human & Microbiome Communicating Laboratory, GFC Co., Ltd., Hwaseong 18471, Republic of Korea; (M.-J.K.); (J.-Y.K.); (H.-J.K.)
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23
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Fusco A, Savio V, Perfetto B, Donniacuo M, Shadrina E, Donnarumma G, Baroni A. Q-switched Nd:YAG laser protects human keratinocytes from oxidative stress and inflammation via AhR-Nrf2 pathway. Lasers Med Sci 2023; 39:7. [PMID: 38097851 DOI: 10.1007/s10103-023-03953-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 12/05/2023] [Indexed: 12/18/2023]
Abstract
In recent years, some treatments for esthetic and pathologic skin conditions have increasingly been based on the use of non-ablative neodymium-doped yttrium aluminum garnet (Nd:YAG) laser due to its greater penetration ability than other types of lasers, few contraindications, minimal side effects, no damage for epidermidis and the rapid recovery of the treated patients. The skin is frequently exposed to many stressors such as radiation, toxic substances, metabolites, foods, mechanical insults, and allergen exposition that cause oxidative damage and have a decisive influence on the aging process. The imbalance between reactive oxygen species, reactive nitrogen species, and the malfunctioning of the antioxidant defense system promotes the establishment of an excessive inflammatory process, which can induce various diseases including cancer and neurodegenerative disorders. The present study investigated the cytoprotective function of Q-switched Nd:YAG laser against stress aging and cell injury in HaCaT cells. We evaluated the effect of the laser on antioxidant defenses, inflammation, metalloproteinases' expression, and the AhR-Nrf2 pathway. Q-switched Nd:YAG is able to upregulate the AhR pathway and the expression of IL-6 and TGF-β, which are involved in wound repair process, and to downregulate the expression of MMP-2 and 9, so preventing the collagen degradation. Q-switched Nd:YAG can stimulate the cellular antioxidant defenses by activating the AhR-Nrf2 system.
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Affiliation(s)
- Alessandra Fusco
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Naples, NA, 80138, Italy.
| | - Vittoria Savio
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Naples, NA, 80138, Italy
| | - Brunella Perfetto
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Naples, NA, 80138, Italy
| | - Maria Donniacuo
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Naples, NA, 80138, Italy
| | - Elena Shadrina
- Department of Dermatology, University of Milan, Milan, Italy
| | - Giovanna Donnarumma
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Naples, NA, 80138, Italy
| | - Adone Baroni
- Department of Mental Health and Physics and Preventive Medicine, Unit of Dermatology, University of Campania "Luigi Vanvitelli", Naples, NA, 80100, Italy
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24
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He T, Fisher GJ, Kim AJ, Quan T. Age-related changes in dermal collagen physical properties in human skin. PLoS One 2023; 18:e0292791. [PMID: 38064445 PMCID: PMC10707495 DOI: 10.1371/journal.pone.0292791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 09/28/2023] [Indexed: 12/18/2023] Open
Abstract
Collagen is the major structural protein in the skin. Fragmentation and disorganization of the collagen fibrils are the hallmarks of the aged human skin dermis. These age-related alterations of collagen fibrils impair skin structural integrity and make the tissue microenvironment more prone to skin disorders. As the biological function of collagen lies predominantly in its physical properties, we applied atomic force microscopy (AFM) and nanoindentation to evaluate the physical properties (surface roughness, stiffness, and hardness) of dermal collagen in young (25±5 years, N = 6) and aged (75±6 years, N = 6) healthy sun-protected hip skin. We observed that in the aged dermis, the surface of collagen fibrils was rougher, and fiber bundles were stiffer and harder, compared to young dermal collagen. Mechanistically, the age-related elevation of matrix metalloproteinase-1 (MMP-1) and advanced glycation end products (AGEs) are responsible for rougher and stiffer/harder dermal collagen, respectively. Analyzing the physical properties of dermal collagen as a function of age revealed that alterations of the physical properties of collagen fibrils changed with age (22-89 years, N = 18). We also observed that the reticular dermis is rougher and mechanically stiffer and harder compared to the papillary dermis in human skin. These data extend the current understanding of collagen beyond biological entities to include biophysical properties.
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Affiliation(s)
- Tianyuan He
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, United States of America
| | - Gary J. Fisher
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, United States of America
| | - Ava J. Kim
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, United States of America
| | - Taihao Quan
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, United States of America
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25
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Chen FZ, Tan PC, Yang Z, Li Q, Zhou SB. Identifying characteristics of dermal fibroblasts in skin homeostasis and disease. Clin Exp Dermatol 2023; 48:1317-1327. [PMID: 37566911 DOI: 10.1093/ced/llad257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/11/2023] [Accepted: 07/21/2023] [Indexed: 08/13/2023]
Abstract
Heterogeneous dermal fibroblasts are the main components that constitute the dermis. Distinct fibroblast subgroups show specific characteristics and functional plasticity that determine dermal structure during skin development and wound healing. Although researchers have described the roles of fibroblast subsets, this is not completely understood. We review recent evidence supporting understanding about the heterogeneity of fibroblasts. We summarize the origins and the identified profiles of fibroblast subpopulations. The characteristics of fibroblast subpopulations in both healthy and diseased states are highlighted, and the potential of subpopulations to be involved in wound healing in different ways was discussed. Additionally, we review the plasticity of subpopulations and the underlying signalling mechanisms. This review may provide greater insights into potential novel therapeutic targets and tissue regeneration strategies for the future.
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Affiliation(s)
- Fang-Zhou Chen
- Department of Plastic & Reconstructive Surgery, Shanghai Jiao Tong University School of Medicine Affiliated Ninth People's Hospital, Shanghai, China
| | - Poh-Ching Tan
- Department of Plastic & Reconstructive Surgery, Shanghai Jiao Tong University School of Medicine Affiliated Ninth People's Hospital, Shanghai, China
| | - Zihan Yang
- Department of Plastic & Reconstructive Surgery, Shanghai Jiao Tong University School of Medicine Affiliated Ninth People's Hospital, Shanghai, China
- Department of Plastic and Burn Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Qingfeng Li
- Department of Plastic & Reconstructive Surgery, Shanghai Jiao Tong University School of Medicine Affiliated Ninth People's Hospital, Shanghai, China
| | - Shuang-Bai Zhou
- Department of Plastic & Reconstructive Surgery, Shanghai Jiao Tong University School of Medicine Affiliated Ninth People's Hospital, Shanghai, China
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26
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Quan T. Human Skin Aging and the Anti-Aging Properties of Retinol. Biomolecules 2023; 13:1614. [PMID: 38002296 PMCID: PMC10669284 DOI: 10.3390/biom13111614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 11/01/2023] [Accepted: 11/02/2023] [Indexed: 11/26/2023] Open
Abstract
The skin is the most-extensive and -abundant tissue in the human body. Like many organs, as we age, human skin experiences gradual atrophy in both the epidermis and dermis. This can be primarily attributed to the diminishing population of epidermal stem cells and the reduction in collagen, which is the primary structural protein in the human body. The alterations occurring in the epidermis and dermis due to the aging process result in disruptions to the structure and functionality of the skin. This creates a microenvironment conducive to age-related skin conditions such as a compromised skin barrier, slowed wound healing, and the onset of skin cancer. This review emphasizes the recent molecular discoveries related to skin aging and evaluates preventive approaches, such as the use of topical retinoids. Topical retinoids have demonstrated promise in enhancing skin texture, diminishing fine lines, and augmenting the thickness of both the epidermal and dermal layers.
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Affiliation(s)
- Taihao Quan
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
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27
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Itai E, Atsugi T, Inomata K, Yamashita M, Kaji K, Nanba D, Naru E. Single-cell analysis of human dermal fibroblasts isolated from a single male donor over 35 years. Exp Dermatol 2023; 32:1982-1995. [PMID: 37727050 DOI: 10.1111/exd.14929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 08/30/2023] [Accepted: 09/02/2023] [Indexed: 09/21/2023]
Abstract
The aim of this study is to examine the effects of ageing on dermal fibroblast heterogeneity based on samples obtained from the same donor. We used a dermal fibroblast lineage (named ASF-4 cell lines) isolated from the inner side of the upper arm of a healthy male donor over a 35-year period, beginning at 36 years of age. Because clonal analysis of ASF-4 cell lines demonstrated a donor age-dependent loss of proliferative capacity and acquisition of senescent traits at the single-cell level, cultured cells frozen at passage 10 at ages 36 and 72 years were subjected to single-cell RNA sequencing. Transcriptome analysis revealed an increase in senescent fibroblasts and downregulation of genes associated with extracellular matrix remodelling with ageing. In addition, two putative differentiation pathways, with one endpoint consisting of senescent fibroblasts and the other without, were speculated using a pseudo-time analysis. Knockdown of the characteristic gene of the non-senescent fibroblast cluster endpoint, EFEMP2, accelerated cellular senescence. This was also confirmed in two other normal human dermal fibroblast cell lines. The detection of a common cellular senescence-related gene from single-donor analysis is notable. This study provides new insights into the behaviour of dermal fibroblasts during skin ageing.
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Affiliation(s)
- Eriko Itai
- Research Laboratories, KOSÉ Corporation, Tokyo, Japan
| | - Toru Atsugi
- Research Laboratories, KOSÉ Corporation, Tokyo, Japan
| | - Ken Inomata
- Research Laboratories, KOSÉ Corporation, Tokyo, Japan
| | | | - Kazuhiko Kaji
- Research Laboratories, KOSÉ Corporation, Tokyo, Japan
| | - Daisuke Nanba
- Division of Aging and Regeneration, The Institute of Medical Science, University of Tokyo, Tokyo, Japan
| | - Eiji Naru
- Research Laboratories, KOSÉ Corporation, Tokyo, Japan
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28
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Zhao H, Park B, Kim MJ, Hwang SH, Kim TJ, Kim SU, Kwon I, Hwang JS. The Effect of γ-Aminobutyric Acid Intake on UVB- Induced Skin Damage in Hairless Mice. Biomol Ther (Seoul) 2023; 31:640-647. [PMID: 37524442 PMCID: PMC10616514 DOI: 10.4062/biomolther.2023.085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 07/03/2023] [Accepted: 07/04/2023] [Indexed: 08/02/2023] Open
Abstract
The skin, the largest organ in the body, undergoes age-related changes influenced by both intrinsic and extrinsic factors. The primary external factor is photoaging which causes hyperpigmentation, uneven skin surface, deep wrinkles, and markedly enlarged capillaries. In the human dermis, it decreases fibroblast function, resulting in a lack of collagen structure and also decreases keratinocyte function, which compromises the strength of the protective barrier. In this study, we found that treatment with γ-aminobutyric acid (GABA) had no toxicity to skin fibroblasts and GABA enhanced their migration ability, which can accelerate skin wound healing. UVB radiation was found to significantly induce the production of matrix metalloproteinase 1 (MMP-1), but treatment with GABA resulted in the inhibition of MMP-1 production. We also investigated the enhancement of filaggrin and aquaporin 3 in keratinocytes after treatment with GABA, showing that GABA can effectively improve skin moisturization. In vivo experiments showed that oral administration of GABA significantly improved skin wrinkles and epidermal thickness. After the intake of GABA, there was a significant decrease observed in the increase of skin thickness measured by calipers and erythema. Additionally, the decrease in skin moisture and elasticity in hairless mice exposed to UVB radiation was also significantly restored. Overall, this study demonstrates the potential of GABA as functional food material for improving skin aging and moisturizing.
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Affiliation(s)
- Hairu Zhao
- Department of Genetic & Biotechnology, Graduate School of Biotechnology, College of Life Sciences, Kyung Hee University, Youngin 17104, Republic of Korea
| | - Bomi Park
- Department of Genetic & Biotechnology, Graduate School of Biotechnology, College of Life Sciences, Kyung Hee University, Youngin 17104, Republic of Korea
| | - Min-Jung Kim
- Research and Development, EVERSPRING Co., Ltd., Seongnam 13207, Republic of Korea
| | - Seok-Hyun Hwang
- Research and Development, EVERSPRING Co., Ltd., Seongnam 13207, Republic of Korea
| | - Tae-Jong Kim
- Research and Development, EVERSPRING Co., Ltd., Seongnam 13207, Republic of Korea
| | - Seung-Un Kim
- Research and Development, EVERSPRING Co., Ltd., Seongnam 13207, Republic of Korea
| | - Iksun Kwon
- Department of Genetic & Biotechnology, Graduate School of Biotechnology, College of Life Sciences, Kyung Hee University, Youngin 17104, Republic of Korea
| | - Jae Sung Hwang
- Department of Genetic & Biotechnology, Graduate School of Biotechnology, College of Life Sciences, Kyung Hee University, Youngin 17104, Republic of Korea
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29
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Chien WC, Tsai TF. The Pressurized Skin: A Review on the Pathological Effect of Mechanical Pressure on the Skin from the Cellular Perspective. Int J Mol Sci 2023; 24:15207. [PMID: 37894888 PMCID: PMC10607711 DOI: 10.3390/ijms242015207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 10/12/2023] [Indexed: 10/29/2023] Open
Abstract
Since human skin is the primary interface responding to external mechanical stimuli, extrinsic forces can disrupt its balanced microenvironment and lead to cutaneous lesions. We performed this review to delve into the pathological effects of mechanical pressure on skin from the cellular perspective. Fibroblasts of different subsets act as heterogeneous responders to mechanical load and express diverse functionalities. Keratinocytes relay mechanical signals through mechanosensitive receptors and the ensuing neurochemical cascades to work collaboratively with other cells and molecules in response to pressure. Mast cells release cytokines and neuropeptides, promoting inflammation and facilitating interaction with sensory neurons, while melanocytes can be regulated by pressure through cellular and molecular crosstalk. Adipocytes and stem cells sense pressure to fine-tune their regulations of mechanical homeostasis and cell differentiation. Applying mechanical pressure to the skin can induce various changes in its microenvironment that potentially lead to pathological alterations, such as ischemia, chronic inflammation, proliferation, regeneration, degeneration, necrosis, and impaired differentiation. The heterogeneity of each cellular lineage and subset from different individuals with various underlying skin conditions must be taken into consideration when discussing the pathological effects of pressure on the skin. Thus, elucidating the mechanotransduction and mechanoresponsive pathways from the cellular viewpoint is crucial in diagnosing and managing relevant dermatological disorders.
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Affiliation(s)
- Wei-Chen Chien
- Department of Medical Education, National Taiwan University Hospital, No. 7, Chung-Shan South Road, Taipei 100, Taiwan
| | - Tsen-Fang Tsai
- Department of Dermatology, National Taiwan University Hospital, College of Medicine, National Taiwan University, No. 7, Chung-Shan South Road, Taipei 100, Taiwan
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30
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Yang Y, Wang X, Wang P. Signaling mechanisms underlying lymphatic vessel dysfunction in skin aging and possible anti-aging strategies. Biogerontology 2023; 24:727-740. [PMID: 36680698 DOI: 10.1007/s10522-023-10016-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 01/11/2023] [Indexed: 01/22/2023]
Abstract
Aging-related skin diseases are gradually increasing due to the imbalance of cutaneous homeostasis in the aging population. Skin aging-induced inflammation promotes systemic inflammation and may lead to whole-body aging. Lymphatic vessels play an important role in maintaining fluid and homeostasis balance. In intrinsically aged skin, the number of lymphatic vessels decrease and their functions decline, which is related to the reduced adhesion junctions between lymphatic endothelial cells, particularly VE-cadherin. VEGFC/VEGFR-3 signal pathway plays an important role in remodeling and expansion of lymphatic vessels; the downregulation of this pathway contributes to the dysfunction of lymphatic vessels. Meanwhile, we proposed some additional mechanisms. Decline of the pumping activity of lymphatic vessels might be related to age-related changes in extracellular matrix, ROS increase, and eNOS/iNOS disturbances. In extrinsically aged skin, the hyperpermeability of lymphatic vessels results from a decrease in endothelial-specific tight junction molecules, upregulation of VEGF-A, and downregulation of the VEGFC/VEGFR-3 signaling pathway. Furthermore, some of the Phyto therapeutics could attenuate skin aging by modulating the lymphatic vessels. This review summarized the lymphatic vessel dysfunction in skin aging and anti-aging strategies based on lymphatic vessel modulation.
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Affiliation(s)
- Yuling Yang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Xiuli Wang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China.
| | - Peiru Wang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China.
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31
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Binlateh T, Hutamekalin P, Yongsawatdigul J, Yamabhai M, Jitprasertwong P. Effects of collagen, chitosan and mixture on fibroblast responses and angiogenic activities in 2D and 3D in vitro models. J Biomed Mater Res A 2023; 111:1642-1655. [PMID: 37222462 DOI: 10.1002/jbm.a.37561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 04/21/2023] [Accepted: 05/11/2023] [Indexed: 05/25/2023]
Abstract
Despite accumulating evidences have demonstrated the potential of collagen and chitosan on tissue repair, it remains unclear on their combination effects. Here, we examined the regenerative effects of single collagen, chitosan and their mixture on fibroblasts and endothelial cells at cellular levels. The results showed that fibroblast responses, as indicated by high proliferative rate, increased spheroid diameter and migrated area existing from spheroid edge, and decreased wound area, were significantly promoted by either collagen or chitosan stimulation. Similarly, both collagen and chitosan resulted in increased endothelial cell proliferation and migration with accelerated tube-like network formation and upregulated VE-cadherin expression, although collagen strongly provided this effect. While the 1:1 mixture (100:100 μg/mL of chitosan to collagen) treatment caused a reduction in fibroblast viability, the lower ratio of chitosan (1:10 mixture; 10:100 μg/mL) did not produce any impact on both fibroblast and endothelial cell viabilities. The 1:10 mixture also significantly enhanced the additional effects on fibroblast responses and angiogenic activities as shown by higher endothelial growth, proliferation and migration with accelerated capillary-like network formation than those treated with the single substance. Further investigation of signaling proteins found that collagen significantly increased expressions of p-Fak, p-Akt and Cdk5 whereas chitosan upregulated p-Fak and Cdk5 expressions. Comparing to the single treatments, p-Fak, p-Akt and Cdk5 were higher expressed in the 1:10 mixture. These observations indicate that proper collagen-chitosan mixture provides the combination effects on fibroblast responses and angiogenic activities when a high concentration of collagen is used, possibly through Fak/Akt and Cdk5 signaling pathways. Therefore, this study helps to define the clinical use of collagen and chitosan as promising biomaterials for tissue repair.
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Affiliation(s)
- Thunwa Binlateh
- School of Pharmacy, Walailak University, Nakhon Si Thammarat, Thailand
| | - Pilaiwanwadee Hutamekalin
- Division of Health and Applied Sciences, Faculty of Science, Prince of Songkla University, Songkhla, Thailand
| | - Jirawat Yongsawatdigul
- Institute of Agricultural Technology, Suranaree University of Technology, Nakhon Ratchasima, Thailand
| | - Montarop Yamabhai
- Institute of Agricultural Technology, Suranaree University of Technology, Nakhon Ratchasima, Thailand
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32
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Quan T, Xia W, He T, Calderone K, Bou-Gharios G, Voorhees JJ, Dlugosz AA, Fisher GJ. Matrix Metalloproteinase-1 Expression in Fibroblasts Accelerates Dermal Aging and Promotes Papilloma Development in Mouse Skin. J Invest Dermatol 2023; 143:1700-1707.e1. [PMID: 36914001 DOI: 10.1016/j.jid.2023.02.028] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 02/08/2023] [Accepted: 02/15/2023] [Indexed: 03/13/2023]
Abstract
Fragmentation, disorganization, and depletion of the collagen-rich dermal extracellular matrix are hallmarks of aged human skin. These deleterious alterations are thought to critically mediate many of the prominent clinical attributes of aged skin, including thinning, fragility, impaired wound healing, and a propensity for carcinoma. Matrix metalloproteinase-1 (MMP1) initiates the cleavage of collagen fibrils and is significantly increased in dermal fibroblasts in aged human skin. To investigate the role of elevated MMP1 in skin aging, we generated a conditional bitransgenic mouse (type I collagen alpha chain 2; human MMP1 [Col1a2;hMMP1]) that expresses full-length, catalytically active hMMP1 in dermal fibroblasts. hMMP1 expression is activated by a tamoxifen-inducible Cre recombinase that is driven by the Col1a2 promoter and upstream enhancer. Tamoxifen induced hMMP1 expression and activity throughout the dermis Col1a2:hMMP1 mice. At 6 months of age, Col1a2;hMMP1 mice displayed loss and fragmentation of dermal collagen fibrils, which was accompanied by many of the features of aged human skin, such as contracted fibroblast morphology, reduced collagen production, increased expression of multiple endogenous MMPs, and proinflammatory mediators. Interestingly, Col1a2;hMMP1 mice displayed substantially increased susceptibility to skin papilloma development. These data demonstrate that fibroblast expression of hMMP1 is a critical mediator of dermal aging and creates a dermal microenvironment that promotes keratinocyte tumor development.
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Affiliation(s)
- Taihao Quan
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - Wei Xia
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - Tianyuan He
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - Kenneth Calderone
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - George Bou-Gharios
- Institute of Ageing and Chronic Diseases, University of Liverpool, Liverpool United Kingdom
| | - John J Voorhees
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - Andrzej A Dlugosz
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - Gary J Fisher
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, USA.
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33
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Fisher GJ, Wang B, Cui Y, Shi M, Zhao Y, Quan T, Voorhees JJ. Skin aging from the perspective of dermal fibroblasts: the interplay between the adaptation to the extracellular matrix microenvironment and cell autonomous processes. J Cell Commun Signal 2023; 17:523-529. [PMID: 37067763 PMCID: PMC10409944 DOI: 10.1007/s12079-023-00743-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Accepted: 03/10/2023] [Indexed: 04/18/2023] Open
Abstract
This article summarizes important molecular mechanisms that drive aging in human skin from the perspective of dermal fibroblasts. The dermis comprises the bulk of the skin and is largely composed of a collagen-rich extracellular matrix (ECM). The dermal ECM provides mechanical strength, resiliency, and an environment that supports the functions of ibroblasts and other types of dermal cells. Fibroblasts produce the dermal ECM and maintain its homeostasis. Fibroblasts attach to the ECM and this attachment controls their morphology and function. During aging, the ECM undergoes gradual degradation that is nitiated by matrix metalloproteinases (MMPs). This degradation alters mechanical forces within the dermal ECM and disrupts he interactions between fibroblasts and the ECM thereby generating an aged fibroblast phenotype. This aged fibroblast phenotype is characterized by collapsed morphology, altered mechanosignaling, induction of CCN1, and activation of transcription factor AP-1, with consequent upregulation of target genes including MMPs and pro-inflammatory mediators. The TGF-beta pathway coordinately regulates ECM production and turnover. Altered mechanical forces, due to ECM fragmentation, down-regulate the type II TGF-beta receptor, thereby reducing ECM production and further increasing ECM breakdown. Thus, dermal aging involves a feed-forward process that reinforces the aged dermal fibroblast phenotype and promotes age-related dermal ECM deterioration. As discussed in the article, the expression of the aged dermal fibroblast phenotype involves both adaptive and cell-autonomous mechanisms.
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Affiliation(s)
- Gary J Fisher
- Department of Dermatology, University of Michigan, Ann Arbor, MI, USA.
- Department of Dermatology, Tsinghua Changgung Hospital, Tsinghua University, Beijing, China.
| | - Bo Wang
- Department of Dermatology, University of Michigan, Ann Arbor, MI, USA
- Department of Dermatology, Tsinghua Changgung Hospital, Tsinghua University, Beijing, China
| | - Yilei Cui
- Department of Dermatology, University of Michigan, Ann Arbor, MI, USA
- Department of Dermatology, Tsinghua Changgung Hospital, Tsinghua University, Beijing, China
| | - Mai Shi
- Department of Dermatology, University of Michigan, Ann Arbor, MI, USA
- Department of Dermatology, Tsinghua Changgung Hospital, Tsinghua University, Beijing, China
| | - Yi Zhao
- Department of Dermatology, University of Michigan, Ann Arbor, MI, USA
- Department of Dermatology, Tsinghua Changgung Hospital, Tsinghua University, Beijing, China
| | - Taihao Quan
- Department of Dermatology, University of Michigan, Ann Arbor, MI, USA
- Department of Dermatology, Tsinghua Changgung Hospital, Tsinghua University, Beijing, China
| | - John J Voorhees
- Department of Dermatology, University of Michigan, Ann Arbor, MI, USA
- Department of Dermatology, Tsinghua Changgung Hospital, Tsinghua University, Beijing, China
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34
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Mavrogonatou E, Papadopoulou A, Pratsinis H, Kletsas D. Senescence-associated alterations in the extracellular matrix: deciphering their role in the regulation of cellular function. Am J Physiol Cell Physiol 2023; 325:C633-C647. [PMID: 37486063 DOI: 10.1152/ajpcell.00178.2023] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 07/18/2023] [Accepted: 07/18/2023] [Indexed: 07/25/2023]
Abstract
The extracellular matrix (ECM) is a dynamic structural network that provides a physical scaffolding, as well as biochemical factors that maintain normal tissue homeostasis and thus its disruption is implicated in many pathological conditions. On the other hand, senescent cells express a particular secretory phenotype, affecting the composition and organization of the surrounding ECM and modulating their microenvironment. As accumulation of senescent cells may be linked to the manifestation of several age-related conditions, senescence-associated ECM alterations may serve as targets for novel anti-aging treatment modalities. Here, we will review characteristic changes in the ECM elicited by cellular senescence and we will discuss the complex interplay between ECM and senescent cells, in relation to normal aging and selected age-associated pathologies.
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Affiliation(s)
- Eleni Mavrogonatou
- Laboratory of Cell Proliferation and Ageing, Institute of Biosciences and Applications, National Centre for Scientific Research "Demokritos," Athens, Greece
| | - Adamantia Papadopoulou
- Laboratory of Cell Proliferation and Ageing, Institute of Biosciences and Applications, National Centre for Scientific Research "Demokritos," Athens, Greece
| | - Harris Pratsinis
- Laboratory of Cell Proliferation and Ageing, Institute of Biosciences and Applications, National Centre for Scientific Research "Demokritos," Athens, Greece
| | - Dimitris Kletsas
- Laboratory of Cell Proliferation and Ageing, Institute of Biosciences and Applications, National Centre for Scientific Research "Demokritos," Athens, Greece
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Rebehn L, Khalaji S, KleinJan F, Kleemann A, Port F, Paul P, Huster C, Nolte U, Singh K, Kwapich L, Pfeil J, Pula T, Fischer-Posovszky P, Scharffetter-Kochanek K, Gottschalk KE. The weakness of senescent dermal fibroblasts. Proc Natl Acad Sci U S A 2023; 120:e2301880120. [PMID: 37579160 PMCID: PMC10450655 DOI: 10.1073/pnas.2301880120] [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: 02/08/2023] [Accepted: 05/25/2023] [Indexed: 08/16/2023] Open
Abstract
Skin is the largest human organ with easily noticeable biophysical manifestations of aging. As human tissues age, there is chronological accumulation of biophysical changes due to internal and environmental factors. Skin aging leads to decreased elasticity and the loss of dermal matrix integrity via degradation. The mechanical properties of the dermal matrix are maintained by fibroblasts, which undergo replicative aging and may reach senescence. While the secretory phenotype of senescent fibroblasts is well studied, little is known about changes in the fibroblasts biophysical phenotype. Therefore, we compare biophysical properties of young versus proliferatively aged primary fibroblasts via fluorescence and traction force microscopy, single-cell atomic force spectroscopy, microfluidics, and microrheology of the cytoskeleton. Results show senescent fibroblasts have decreased cytoskeletal tension and myosin II regulatory light chain phosphorylation, in addition to significant loss of traction force. The alteration of cellular forces is harmful to extracellular matrix homeostasis, while decreased cytoskeletal tension can amplify epigenetic changes involved in senescence. Further exploration and detection of these mechanical phenomena provide possibilities for previously unexplored pharmaceutical targets against aging.
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Affiliation(s)
- Lydia Rebehn
- Institute for Experimental Physics, Ulm University, D-89069Ulm, Germany
| | - Samira Khalaji
- Institute for Experimental Physics, Ulm University, D-89069Ulm, Germany
| | - Fenneke KleinJan
- Institute for Experimental Physics, Ulm University, D-89069Ulm, Germany
| | - Anja Kleemann
- Institute for Experimental Physics, Ulm University, D-89069Ulm, Germany
| | - Fabian Port
- Institute for Experimental Physics, Ulm University, D-89069Ulm, Germany
| | - Patrick Paul
- Institute for Experimental Physics, Ulm University, D-89069Ulm, Germany
| | - Constantin Huster
- Institut für Theoretische Physik, Universität Leipzig, 04103Leipzig, Germany
| | - Ulla Nolte
- Institute for Experimental Physics, Ulm University, D-89069Ulm, Germany
| | - Karmveer Singh
- Department of Dermatology and Allergology, Ulm University, 89081Ulm, Germany
| | - Lisa Kwapich
- Institute for Experimental Physics, Ulm University, D-89069Ulm, Germany
| | - Jonas Pfeil
- Institute for Experimental Physics, Ulm University, D-89069Ulm, Germany
- Senscific GmbH, 88400Biberach an der Riß, Germany
| | - Taner Pula
- Department of Pediatrics and Adolescent Medicine, Ulm University, 89075Ulm, Germany
| | | | | | - Kay-E. Gottschalk
- Institute for Experimental Physics, Ulm University, D-89069Ulm, Germany
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36
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Rehman A, Nigam A, Laino L, Russo D, Todisco C, Esposito G, Svolacchia F, Giuzio F, Desiderio V, Ferraro G. Mesenchymal Stem Cells in Soft Tissue Regenerative Medicine: A Comprehensive Review. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1449. [PMID: 37629738 PMCID: PMC10456353 DOI: 10.3390/medicina59081449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 08/01/2023] [Accepted: 08/03/2023] [Indexed: 08/27/2023]
Abstract
Soft tissue regeneration holds significant promise for addressing various clinical challenges, ranging from craniofacial and oral tissue defects to blood vessels, muscle, and fibrous tissue regeneration. Mesenchymal stem cells (MSCs) have emerged as a promising tool in regenerative medicine due to their unique characteristics and potential to differentiate into multiple cell lineages. This comprehensive review explores the role of MSCs in different aspects of soft tissue regeneration, including their application in craniofacial and oral soft tissue regeneration, nerve regeneration, blood vessel regeneration, muscle regeneration, and fibrous tissue regeneration. By examining the latest research findings and clinical advancements, this article aims to provide insights into the current state of MSC-based therapies in soft tissue regenerative medicine.
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Affiliation(s)
- Ayesha Rehman
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, Via L. Armanni 5, 80138 Naples, Italy; (A.R.); (A.N.)
| | - Aditya Nigam
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, Via L. Armanni 5, 80138 Naples, Italy; (A.R.); (A.N.)
| | - Luigi Laino
- Multidisciplinary Department of Medicine for Surgery and Orthodontics, University of Campania “Luigi Vanvitelli”, Via L. Armanni 5, 80138 Naples, Italy; (L.L.); (D.R.); (G.F.)
| | - Diana Russo
- Multidisciplinary Department of Medicine for Surgery and Orthodontics, University of Campania “Luigi Vanvitelli”, Via L. Armanni 5, 80138 Naples, Italy; (L.L.); (D.R.); (G.F.)
| | | | | | - Fabiano Svolacchia
- Departments of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, 00118 Rome, Italy;
| | - Federica Giuzio
- Department of Sciences, University of Basilicata, Via Nazario Sauro 85, 85100 Potenza, Italy;
- U.O.S.D. of Plastic Surgery A.O.R “San Carlo”, 85100 Potenza, Italy
| | - Vincenzo Desiderio
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, Via L. Armanni 5, 80138 Naples, Italy; (A.R.); (A.N.)
| | - Giuseppe Ferraro
- Multidisciplinary Department of Medicine for Surgery and Orthodontics, University of Campania “Luigi Vanvitelli”, Via L. Armanni 5, 80138 Naples, Italy; (L.L.); (D.R.); (G.F.)
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37
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Park HN, Song MJ, Choi YE, Lee DH, Chung JH, Lee ST. LRG1 Promotes ECM Integrity by Activating the TGF-β Signaling Pathway in Fibroblasts. Int J Mol Sci 2023; 24:12445. [PMID: 37569820 PMCID: PMC10418909 DOI: 10.3390/ijms241512445] [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: 06/05/2023] [Revised: 08/01/2023] [Accepted: 08/03/2023] [Indexed: 08/13/2023] Open
Abstract
Leucine-rich alpha-2-glycoprotein 1 (LRG1) mediates skin repair and fibrosis by stimulating the transforming growth factor-beta (TGF-β) signaling pathway. In the present study, we investigated the effect of LRG1 on extracellular matrix (ECM) integrity in fibroblasts, as well as on skin aging. The treatment of dermal fibroblasts with purified recombinant human LRG1 increased type I collagen secretion and decreased matrix metalloproteinase-1 secretion. Additionally, LRG1 promoted SMAD2/SMAD3 phosphorylation in a pattern similar to that of TGF-β1 treatment. An inhibitor of TGF-β receptor 1 abolished LRG1-induced SMAD2 phosphorylation. RNA sequencing identified "extracellular region", "extracellular space", and "extracellular matrix" as the main Gene Ontology terms in the differentially expressed genes of fibroblasts treated with or without LRG1. LRG1 increased TGF-β1 mRNA levels, suggesting that LRG1 partially transactivates the expression of TGF-β1. Furthermore, an increased expression of type I collagen was also observed in fibroblasts grown in three-dimensional cultures on a collagen gel mimicking the dermis. LRG1 mRNA and protein levels were significantly reduced in elderly human skin tissues with weakened ECM integrity compared to in young human skin tissues. Taken together, our results suggest that LRG1 could retard skin aging by activating the TGF-β signaling pathway, increasing ECM deposition while decreasing its degradation.
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Affiliation(s)
- Han Na Park
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea; (H.N.P.); (Y.E.C.)
| | - Min Ji Song
- Department of Dermatology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; (M.J.S.); (D.H.L.); (J.H.C.)
| | - Young Eun Choi
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea; (H.N.P.); (Y.E.C.)
| | - Dong Hun Lee
- Department of Dermatology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; (M.J.S.); (D.H.L.); (J.H.C.)
- Laboratory of Cutaneous Aging Research, Biomedical Research Institute, Seoul National University Hospital, Seoul 03080, Republic of Korea
- Institute of Human-Environment Interface Biology, Seoul National University, Seoul 03080, Republic of Korea
| | - Jin Ho Chung
- Department of Dermatology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; (M.J.S.); (D.H.L.); (J.H.C.)
- Laboratory of Cutaneous Aging Research, Biomedical Research Institute, Seoul National University Hospital, Seoul 03080, Republic of Korea
- Institute of Human-Environment Interface Biology, Seoul National University, Seoul 03080, Republic of Korea
- Institute on Aging, Seoul National University, Seoul 03080, Republic of Korea
| | - Seung-Taek Lee
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea; (H.N.P.); (Y.E.C.)
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Su J, Su Q, Hu S, Ruan X, Ouyang S. Research Progress on the Anti-Aging Potential of the Active Components of Ginseng. Nutrients 2023; 15:3286. [PMID: 37571224 PMCID: PMC10421173 DOI: 10.3390/nu15153286] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 07/13/2023] [Accepted: 07/21/2023] [Indexed: 08/13/2023] Open
Abstract
Aging is a cellular state characterized by a permanent cessation of cell division and evasion of apoptosis. DNA damage, metabolic dysfunction, telomere damage, and mitochondrial dysfunction are the main factors associated with senescence. Aging increases β-galactosidase activity, enhances cell spreading, and induces Lamin B1 loss, which further accelerate the aging process. It is associated with a variety of diseases, such as Alzheimer's disease, Parkinson's, type 2 diabetes, and chronic inflammation. Ginseng is a traditional Chinese medicine with anti-aging effects. The active components of ginseng, including saponins, polysaccharides, and active peptides, have antioxidant, anti-apoptotic, neuroprotective, and age-delaying effects. DNA damage is the main factor associated with aging, and the mechanism through which the active ingredients of ginseng reduce DNA damage and delay aging has not been comprehensively described. This review focuses on the anti-aging mechanisms of the active ingredients of ginseng. Furthermore, it broadens the scope of ideas for further research on natural products and aging.
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Affiliation(s)
- Jingqian Su
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China; (Q.S.); (S.H.)
- Provincial University Key Laboratory of Microbial Pathogenesis and Interventions, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China
| | - Qiaofen Su
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China; (Q.S.); (S.H.)
- Provincial University Key Laboratory of Microbial Pathogenesis and Interventions, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China
| | - Shan Hu
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China; (Q.S.); (S.H.)
- Provincial University Key Laboratory of Microbial Pathogenesis and Interventions, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China
| | - Xinglin Ruan
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou 350001, China;
| | - Songying Ouyang
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China; (Q.S.); (S.H.)
- Provincial University Key Laboratory of Microbial Pathogenesis and Interventions, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China
- Key Laboratory of OptoElectronic Science and Technology for Medicine of the Ministry of Education, Fujian Normal University, Fuzhou 350117, China
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Lee S, Choi YJ, Huo C, Alishir A, Kang KS, Park IH, Jang T, Kim KH. Laricitrin 3-Rutinoside from Ginkgo biloba Fruits Prevents Damage in TNF-α-Stimulated Normal Human Dermal Fibroblasts. Antioxidants (Basel) 2023; 12:1432. [PMID: 37507970 PMCID: PMC10376084 DOI: 10.3390/antiox12071432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023] Open
Abstract
Human skin comprises the epidermis and dermis, which perform interactive functional activities with each other in order to maintain the skin's tensile strength. In particular, the dermal layer is crucial for skin protection. However, skin aging destroys collagen and elastin fibers, causing wrinkles, pigments, and sagging. Skin aging-related factors, such as tumor necrosis factor-α (TNF-α), promote the generation of intercellular reactive oxygen species (ROS). These are known to stimulate the hypersecretion of matrix metalloproteinase-1 (MMP-1), which degrades collagen and inhibits collagen synthesis. In this study, as part of our ongoing discovery of natural products, we investigated potential natural products derived from ginkgo fruit (Ginkgo biloba fruit) with protective effects against TNF-α-induced skin aging. Phytochemical investigation of the MeOH extract of G. biloba fruits, aided by liquid chromatography-mass spectrometry, led to the isolation of 14 compounds (1-14) from the n-butanol-soluble fraction. These were structurally determined to be: (E)-coniferin (1), syringin (2), 4-hydroxybenzoic acid 4-O-β-D-glucopyranoside (3), vanillic acid 4-O-β-D-glucopyranoside (4), glucosyringic acid (5), (E)-ferulic acid 4-O-β-D-glucoside (6), (E)-sinapic acid 4-O-β-D-glucopyranoside (7), ginkgotoxin-5-glucoside (8), ginkgopanoside (9), (Z)-4-coumaric acid 4-O-β-D-glucopyranoside (10), (1'R,2'S,5'R,8'S,2'Z,4'E)-dihydrophaseic acid 3'-O-β-D-glucopyranoside (11), eucomic acid (12), rutin (13), and laricitrin 3-rutinoside (L3R) (14). Biological evaluation of the isolated compounds for their effects on intracellular ROS generation showed that, of these 14 compounds, L3R (14) inhibited TNF-α-stimulated ROS generation (p < 0.001 at 100 μM). Inhibition of ROS generation by L3R led to the suppression of MMP-1 secretion and protection against collagen degradation. The inhibitory effect of L3R was mediated by the inhibition of extracellular signal regulated kinase (ERK) phosphorylation. Furthermore, L3R diminished the secretion of pro-inflammatory cytokines interleukin 6 (IL-6) and interleukin 8 (IL-8). Based on these experimental results, L3R is a potential bioactive natural product that can be used to protect against skin damage, including aging, in cosmetics and pharmaceuticals.
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Affiliation(s)
- Sullim Lee
- Department of Life Science, College of Bio-Nano Technology, Gachon University, Seongnam 13120, Republic of Korea
| | - Yea Jung Choi
- College of Korean Medicine, Gachon University, Seongnam 13120, Republic of Korea
| | - Chen Huo
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Akida Alishir
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Ki Sung Kang
- College of Korean Medicine, Gachon University, Seongnam 13120, Republic of Korea
| | - Il-Ho Park
- College of Pharmacy, Sahmyook University, 815, Hwarang-ro, Nowon-gu, Seoul 01795, Republic of Korea
| | - Taesu Jang
- Health Administration, Dankook University, Cheonan 31116, Republic of Korea
| | - Ki Hyun Kim
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
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Ogrodnik M, Gladyshev VN. The meaning of adaptation in aging: insights from cellular senescence, epigenetic clocks and stem cell alterations. NATURE AGING 2023; 3:766-775. [PMID: 37386259 PMCID: PMC7616215 DOI: 10.1038/s43587-023-00447-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 05/30/2023] [Indexed: 07/01/2023]
Abstract
With recent rapid progress in research on aging, there is increasing evidence that many features commonly considered to be mechanisms or drivers of aging in fact represent adaptations. Here, we examine several such features, including cellular senescence, epigenetic aging and stem cell alterations. We draw a distinction between the causes and consequences of aging and define short-term consequences as 'responses' and long-term ones as 'adaptations'. We also discuss 'damaging adaptations', which despite having beneficial effects in the short term, lead to exacerbation of the initial insult and acceleration of aging. Features commonly recognized as 'basic mechanisms of the aging process' are critically examined for the possibility of their adaptation-driven emergence from processes such as cell competition and the wound-like features of the aging body. Finally, we speculate on the meaning of these interactions for the aging process and their relevance for the development of antiaging interventions.
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Affiliation(s)
- Mikolaj Ogrodnik
- Ludwig Boltzmann Research Group Senescence and Healing of Wounds, Vienna, Austria.
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, Austrian Workers' Compensation Board Research Center, Vienna, Austria.
- Austrian Cluster for Tissue Regeneration, Vienna, Austria.
| | - Vadim N Gladyshev
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.
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41
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Añazco C, Riedelsberger J, Vega-Montoto L, Rojas A. Exploring the Interplay between Polyphenols and Lysyl Oxidase Enzymes for Maintaining Extracellular Matrix Homeostasis. Int J Mol Sci 2023; 24:10985. [PMID: 37446164 DOI: 10.3390/ijms241310985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 06/26/2023] [Accepted: 06/29/2023] [Indexed: 07/15/2023] Open
Abstract
Collagen, the most abundant structural protein found in mammals, plays a vital role as a constituent of the extracellular matrix (ECM) that surrounds cells. Collagen fibrils are strengthened through the formation of covalent cross-links, which involve complex enzymatic and non-enzymatic reactions. Lysyl oxidase (LOX) is responsible for catalyzing the oxidative deamination of lysine and hydroxylysine residues, resulting in the production of aldehydes, allysine, and hydroxyallysine. These intermediates undergo spontaneous condensation reactions, leading to the formation of immature cross-links, which are the initial step in the development of mature covalent cross-links. Additionally, non-enzymatic glycation contributes to the formation of abnormal cross-linking in collagen fibrils. During glycation, specific lysine and arginine residues in collagen are modified by reducing sugars, leading to the creation of Advanced Glycation End-products (AGEs). These AGEs have been associated with changes in the mechanical properties of collagen fibers. Interestingly, various studies have reported that plant polyphenols possess amine oxidase-like activity and can act as potent inhibitors of protein glycation. This review article focuses on compiling the literature describing polyphenols with amine oxidase-like activity and antiglycation properties. Specifically, we explore the molecular mechanisms by which specific flavonoids impact or protect the normal collagen cross-linking process. Furthermore, we discuss how these dual activities can be harnessed to generate properly cross-linked collagen molecules, thereby promoting the stabilization of highly organized collagen fibrils.
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Affiliation(s)
- Carolina Añazco
- Laboratorio de Bioquímica Nutricional, Escuela de Nutrición y Dietética, Carrera de Nutrición y Dietética, Facultad de Ciencias para el Cuidado de la Salud, Universidad San Sebastián, General Lagos #1190, Valdivia 5110773, Chile
| | - Janin Riedelsberger
- Centro de Bioinformática, Simulación y Modelado (CBSM), Facultad de Ingeniería, Universidad de Talca, 1 Poniente 1141, Talca 3462227, Chile
| | - Lorenzo Vega-Montoto
- Chemical and Radiation Measurement, Idaho National Laboratory (INL), 1705 N. Yellowstone Hwy, Idaho Falls, ID 83415, USA
| | - Armando Rojas
- Biomedical Research Laboratories, Medicine Faculty, Catholic University of Maule, Talca 3480112, Chile
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Park JYC, King A, Björk V, English BW, Fedintsev A, Ewald CY. Strategic outline of interventions targeting extracellular matrix for promoting healthy longevity. Am J Physiol Cell Physiol 2023; 325:C90-C128. [PMID: 37154490 DOI: 10.1152/ajpcell.00060.2023] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/28/2023] [Accepted: 04/28/2023] [Indexed: 05/10/2023]
Abstract
The extracellular matrix (ECM), composed of interlinked proteins outside of cells, is an important component of the human body that helps maintain tissue architecture and cellular homeostasis. As people age, the ECM undergoes changes that can lead to age-related morbidity and mortality. Despite its importance, ECM aging remains understudied in the field of geroscience. In this review, we discuss the core concepts of ECM integrity, outline the age-related challenges and subsequent pathologies and diseases, summarize diagnostic methods detecting a faulty ECM, and provide strategies targeting ECM homeostasis. To conceptualize this, we built a technology research tree to hierarchically visualize possible research sequences for studying ECM aging. This strategic framework will hopefully facilitate the development of future research on interventions to restore ECM integrity, which could potentially lead to the development of new drugs or therapeutic interventions promoting health during aging.
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Affiliation(s)
- Ji Young Cecilia Park
- Laboratory of Extracellular Matrix Regeneration, Institute of Translational Medicine, Department of Health Sciences and Technology, ETH Zürich, Schwerzenbach, Switzerland
| | - Aaron King
- Foresight Institute, San Francisco, California, United States
| | | | - Bradley W English
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | | | - Collin Y Ewald
- Laboratory of Extracellular Matrix Regeneration, Institute of Translational Medicine, Department of Health Sciences and Technology, ETH Zürich, Schwerzenbach, Switzerland
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Statzer C, Park JYC, Ewald CY. Extracellular Matrix Dynamics as an Emerging yet Understudied Hallmark of Aging and Longevity. Aging Dis 2023; 14:670-693. [PMID: 37191434 DOI: 10.14336/ad.2022.1116] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Accepted: 11/16/2022] [Indexed: 05/17/2023] Open
Abstract
The biomechanical properties of extracellular matrices (ECM) and their consequences for cellular homeostasis have recently emerged as a driver of aging. Here we review the age-dependent deterioration of ECM in the context of our current understanding of the aging processes. We discuss the reciprocal interactions of longevity interventions with ECM remodeling. And the relevance of ECM dynamics captured by the matrisome and the matreotypes associated with health, disease, and longevity. Furthermore, we highlight that many established longevity compounds promote ECM homeostasis. A large body of evidence for the ECM to qualify as a hallmark of aging is emerging, and the data in invertebrates is promising. However, direct experimental proof that activating ECM homeostasis is sufficient to slow aging in mammals is lacking. We conclude that further research is required and anticipate that a conceptual framework for ECM biomechanics and homeostasis will provide new strategies to promote health during aging.
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Affiliation(s)
- Cyril Statzer
- Laboratory of Extracellular Matrix Regeneration, Institute of Translational Medicine, Department of Health Sciences and Technology, ETH Zürich, Schwerzenbach CH-8603, Switzerland
| | - Ji Young Cecilia Park
- Laboratory of Extracellular Matrix Regeneration, Institute of Translational Medicine, Department of Health Sciences and Technology, ETH Zürich, Schwerzenbach CH-8603, Switzerland
| | - Collin Y Ewald
- Laboratory of Extracellular Matrix Regeneration, Institute of Translational Medicine, Department of Health Sciences and Technology, ETH Zürich, Schwerzenbach CH-8603, Switzerland
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44
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Chen F, Guo X, Wu Y. Skin antiaging effects of a multiple mechanisms hyaluronan complex. Skin Res Technol 2023; 29:e13350. [PMID: 37357659 PMCID: PMC10225814 DOI: 10.1111/srt.13350] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 05/04/2023] [Indexed: 06/27/2023]
Abstract
OBJECTIVE Intrinsic skin aging is an inevitable process with reduced extracellular matrix deposition and impaired mechanical integrity in the dermal-epidermal junction (DEJ). Hyaluronan is one of the most promising natural ingredients. In this research, multiple mechanisms of a novel hyaluronan complex against intrinsic skin aging were revealed. METHOD Immunohistochemical analysis and enzyme-linked immunosorbent assay were employed to evaluate the effect of low-molecular weight sodium hyaluronan, its acetylated derivative and HA complex on expression of matrix metalloproteinase-1 (MMP-1) and type I collagen in normal human fibroblasts. Then, immunohistochemical analysis and hematoxylin and eosin staining was carried out to evaluate identical effects of HA complex in reconstructed skin equivalents, as well as its benefits on histological structure and DEJ. RESULT In normal human dermal fibroblasts, the hyaluronan complex, which contains low-molecular weight sodium hyaluronate and its acetylated derivative, has synergistic effects by increasing type I collagen expression. At the same time, MMP-1 production was inhibited. This was confirmed in subsequent experiments with skin equivalent, and intriguingly, the hyaluronan complex was also found to increase the expression of two DEJ proteins. CONCLUSION The multimechanism hyaluronan complex in this proof-of-concept study exhibited skin antiaging effects in vitro through inhibiting the expression of MMP-1 and enhancing type I collagen accumulation and the expression of DEJ proteins, which reveals new avenues for investigating more biological activities of various types of hyaluronan.
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Affiliation(s)
- Fan Chen
- Department of Research and DevelopmentBloomage Biotechnology Co., Ltd.ShanghaiChina
| | - Xueping Guo
- Department of Research and DevelopmentBloomage Biotechnology Co., Ltd.JinanChina
| | - Yue Wu
- Department of Research and DevelopmentBloomage Biotechnology Co., Ltd.ShanghaiChina
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Wachtel E, Bittenbinder MA, van de Velde B, Slagboom J, de Monts de Savasse A, Alonso LL, Casewell NR, Vonk FJ, Kool J. Application of an Extracellular Matrix-Mimicking Fluorescent Polymer for the Detection of Proteolytic Venom Toxins. Toxins (Basel) 2023; 15:toxins15040294. [PMID: 37104232 PMCID: PMC10143632 DOI: 10.3390/toxins15040294] [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: 03/23/2023] [Revised: 04/12/2023] [Accepted: 04/15/2023] [Indexed: 04/28/2023] Open
Abstract
The cytotoxicity caused by snake venoms is a serious medical problem that greatly contributes to the morbidity observed in snakebite patients. The cytotoxic components found in snake venoms belong to a variety of toxin classes and may cause cytotoxic effects by targeting a range of molecular structures, including cellular membranes, the extracellular matrix (ECM) and the cytoskeleton. Here, we present a high-throughput assay (384-well plate) that monitors ECM degradation by snake venom toxins via the application of fluorescent versions of model ECM substrates, specifically gelatin and collagen type I. Both crude venoms and fractionated toxins of a selection of medically relevant viperid and elapid species, separated via size-exclusion chromatography, were studied using the self-quenching, fluorescently labelled ECM-polymer substrates. The viperid venoms showed significantly higher proteolytic degradation when compared to elapid venoms, although the venoms with higher snake venom metalloproteinase content did not necessarily exhibit stronger substrate degradation than those with a lower one. Gelatin was generally more readily cleaved than collagen type I. In the viperid venoms, which were subjected to fractionation by SEC, two (B. jararaca and C. rhodostoma, respectively) or three (E. ocellatus) active proteases were identified. Therefore, the assay allows the study of proteolytic activity towards the ECM in vitro for crude and fractionated venoms.
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Affiliation(s)
- Eric Wachtel
- AIMMS, Division of BioAnalytical Chemistry, Department of Chemistry and Pharmaceutical Sciences, Faculty of Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands
| | - Matyas A Bittenbinder
- AIMMS, Division of BioAnalytical Chemistry, Department of Chemistry and Pharmaceutical Sciences, Faculty of Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands
- Centre for Analytical Sciences Amsterdam (CASA), 1098 XH Amsterdam, The Netherlands
- Naturalis Biodiversity Center, Darwinweg 2, 2333 CR Leiden, The Netherlands
| | - Bas van de Velde
- AIMMS, Division of BioAnalytical Chemistry, Department of Chemistry and Pharmaceutical Sciences, Faculty of Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands
- Centre for Analytical Sciences Amsterdam (CASA), 1098 XH Amsterdam, The Netherlands
| | - Julien Slagboom
- AIMMS, Division of BioAnalytical Chemistry, Department of Chemistry and Pharmaceutical Sciences, Faculty of Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands
- Centre for Analytical Sciences Amsterdam (CASA), 1098 XH Amsterdam, The Netherlands
| | - Axel de Monts de Savasse
- AIMMS, Division of BioAnalytical Chemistry, Department of Chemistry and Pharmaceutical Sciences, Faculty of Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands
| | - Luis L Alonso
- AIMMS, Division of BioAnalytical Chemistry, Department of Chemistry and Pharmaceutical Sciences, Faculty of Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands
- Centre for Analytical Sciences Amsterdam (CASA), 1098 XH Amsterdam, The Netherlands
| | - Nicholas R Casewell
- Centre for Snakebite Research & Interventions, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool L3 5QA, UK
- Centre for Drugs and Diagnostics, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool L3 5QA, UK
| | - Freek J Vonk
- AIMMS, Division of BioAnalytical Chemistry, Department of Chemistry and Pharmaceutical Sciences, Faculty of Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands
- Centre for Analytical Sciences Amsterdam (CASA), 1098 XH Amsterdam, The Netherlands
- Naturalis Biodiversity Center, Darwinweg 2, 2333 CR Leiden, The Netherlands
| | - Jeroen Kool
- AIMMS, Division of BioAnalytical Chemistry, Department of Chemistry and Pharmaceutical Sciences, Faculty of Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands
- Centre for Analytical Sciences Amsterdam (CASA), 1098 XH Amsterdam, The Netherlands
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Prasad KN. A micronutrient mixture with collagen peptides, probiotics, cannabidiol, and diet may reduce aging, and development and progression of age-related alzheimer's disease, and improve its treatment. Mech Ageing Dev 2023; 210:111757. [PMID: 36460123 DOI: 10.1016/j.mad.2022.111757] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 11/21/2022] [Accepted: 11/28/2022] [Indexed: 11/30/2022]
Abstract
Human aging involves gradual decline in organ functions leading to organ specific age-related chronic diseases such as Alzheimer's disease (AD). Although advances in the development of new drugs, novel surgical procedures, improved diet and lifestyle, have resulted in doubling of lifespan of humans, the quality of life in many cases remains poor because of increased incidence of age-related chronic diseases. Using experimental models of accelerated aging, several cellular defects associated with aging and AD have been identified. Some cellular defects due to increased oxidative stress, chronic inflammation, autophagy defects, mitochondrial dysfunction, and imbalances in the composition probiotics in favor of harmful bacteria over beneficial bacteria are common to both aging and AD, while others such as telomere attrition, loss of collagen, elastin, and hyaluronic acid, failure of DNA repair system, and impaired immune function are unique to aging; and some such as increased production of beta-amyloids, hyperphosphorylation of tau protein, and abnormal behaviors are unique to AD. It is suggested that supplementation with a micronutrient mixture, probiotics, collagen peptides, CBD, and modifications in the diet and lifestyle may reduce the aging processes, and the development, progression of AD, and improve the treatments of this disease.
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Affiliation(s)
- Kedar N Prasad
- Engage Global, Inc. 245 El Faisan Dr., San Rafael, CA 94903, USA.
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Smythe P, Wilkinson HN. The Skin Microbiome: Current Landscape and Future Opportunities. Int J Mol Sci 2023; 24:3950. [PMID: 36835363 PMCID: PMC9963692 DOI: 10.3390/ijms24043950] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/11/2023] [Accepted: 02/12/2023] [Indexed: 02/18/2023] Open
Abstract
Our skin is the largest organ of the body, serving as an important barrier against the harsh extrinsic environment. Alongside preventing desiccation, chemical damage and hypothermia, this barrier protects the body from invading pathogens through a sophisticated innate immune response and co-adapted consortium of commensal microorganisms, collectively termed the microbiota. These microorganisms inhabit distinct biogeographical regions dictated by skin physiology. Thus, it follows that perturbations to normal skin homeostasis, as occurs with ageing, diabetes and skin disease, can cause microbial dysbiosis and increase infection risk. In this review, we discuss emerging concepts in skin microbiome research, highlighting pertinent links between skin ageing, the microbiome and cutaneous repair. Moreover, we address gaps in current knowledge and highlight key areas requiring further exploration. Future advances in this field could revolutionise the way we treat microbial dysbiosis associated with skin ageing and other pathologies.
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Affiliation(s)
- Paisleigh Smythe
- Centre for Biomedicine, Hull York Medical School, University of Hull, Hull HU6 7RX, UK
- Skin Research Centre, Hull York Medical School, University of York, York YO10 5DD, UK
| | - Holly N. Wilkinson
- Centre for Biomedicine, Hull York Medical School, University of Hull, Hull HU6 7RX, UK
- Skin Research Centre, Hull York Medical School, University of York, York YO10 5DD, UK
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48
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Parisi M, Verrillo M, Luciano MA, Caiazzo G, Quaranta M, Scognamiglio F, Di Meo V, Villani A, Cantelli M, Gallo L, Altobelli GG, Poggi S, Spaccini R, Fabbrocini G. Use of Natural Agents and Agrifood Wastes for the Treatment of Skin Photoaging. PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12040840. [PMID: 36840187 PMCID: PMC9966275 DOI: 10.3390/plants12040840] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 02/01/2023] [Accepted: 02/07/2023] [Indexed: 06/12/2023]
Abstract
Photoaging is the premature aging of the skin caused by repeated exposure to ultraviolet (UV) rays. The harmful effects of UV rays-from the sun or from artificial sources-alter normal skin structures and cause visible damage, especially in the most exposed areas. Fighting premature aging is one of the most important challenges of the medical landscape. Additionally, consumers are looking for care products that offer multiple benefits with reduced environmental and economic impact. The growing requests for bioactive compounds from aromatic plants for pharmaceutical and cosmetic applications have to find new sustainable methods to increase the effectiveness of new active formulations derived from eco-compatible technologies. The principle of sustainable practices and the circular economy favor the use of bioactive components derived from recycled biomass. The guidelines of the European Commission support the reuse of various types of organic biomass and organic waste, thus transforming waste management problems into economic opportunities. This review aims to elucidate the main mechanisms of photoaging and how these can be managed using natural renewable sources and specific bioactive derivatives, such as humic extracts from recycled organic biomass, as potential new actors in modern medicine.
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Affiliation(s)
- Melania Parisi
- Section of Dermatology, Department of Clinical Medicine and Surgery, University of Naples Federico II, Via Pansini 5, 80131 Naples, Italy
| | - Mariavittoria Verrillo
- Centro Interdipartimentale di Ricerca per la Risonanza Magnetica Nucleare per l’Ambiente, l’Agroalimentare, ed i Nuovi Materiali (CERMANU), Università di Napoli Federico II, Via Università 100, 80055 Portici, Italy
- Department of Agricultural Sciences, Università di Napoli Federico II, Via Università 100, 80055 Portici, Italy
| | - Maria Antonietta Luciano
- Section of Dermatology, Department of Clinical Medicine and Surgery, University of Naples Federico II, Via Pansini 5, 80131 Naples, Italy
| | - Giuseppina Caiazzo
- Section of Dermatology, Department of Clinical Medicine and Surgery, University of Naples Federico II, Via Pansini 5, 80131 Naples, Italy
| | - Maria Quaranta
- Section of Dermatology, Department of Clinical Medicine and Surgery, University of Naples Federico II, Via Pansini 5, 80131 Naples, Italy
| | - Francesco Scognamiglio
- Department of Agricultural Sciences, Università di Napoli Federico II, Via Università 100, 80055 Portici, Italy
| | - Vincenzo Di Meo
- Department of Agricultural Sciences, Università di Napoli Federico II, Via Università 100, 80055 Portici, Italy
| | - Alessia Villani
- Section of Dermatology, Department of Clinical Medicine and Surgery, University of Naples Federico II, Via Pansini 5, 80131 Naples, Italy
| | - Mariateresa Cantelli
- Section of Dermatology, Department of Clinical Medicine and Surgery, University of Naples Federico II, Via Pansini 5, 80131 Naples, Italy
| | - Lucia Gallo
- Section of Dermatology, Department of Clinical Medicine and Surgery, University of Naples Federico II, Via Pansini 5, 80131 Naples, Italy
| | - Giovanna G. Altobelli
- Department of Advanced Biomedical Sciences, Università degli Studi di Napoli Federico II, Via Pansini 5, 80131 Naples, Italy
| | - Serena Poggi
- Section of Dermatology, Department of Clinical Medicine and Surgery, University of Naples Federico II, Via Pansini 5, 80131 Naples, Italy
| | - Riccardo Spaccini
- Centro Interdipartimentale di Ricerca per la Risonanza Magnetica Nucleare per l’Ambiente, l’Agroalimentare, ed i Nuovi Materiali (CERMANU), Università di Napoli Federico II, Via Università 100, 80055 Portici, Italy
- Department of Agricultural Sciences, Università di Napoli Federico II, Via Università 100, 80055 Portici, Italy
| | - Gabriella Fabbrocini
- Section of Dermatology, Department of Clinical Medicine and Surgery, University of Naples Federico II, Via Pansini 5, 80131 Naples, Italy
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49
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Enhancement of stability and dermal delivery of Carissa carandas Linn. leaf extract by liquid crystals. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2023.104258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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50
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Hong T, Park H, An G, Song G, Lim W. Ethalfluralin induces developmental toxicity in zebrafish via oxidative stress and inflammation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 854:158780. [PMID: 36115403 DOI: 10.1016/j.scitotenv.2022.158780] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 09/10/2022] [Accepted: 09/11/2022] [Indexed: 06/15/2023]
Abstract
Ethalfluralin, of dinitroaniline herbicide family, is an effective weed controller. Following residue detection in herbicide-treated fields, ethalfluralin was reported to interfere with early stages of implantation in some vertebrate species. However, the role of ethalfluralin in the development of zebrafish embryos has not been elucidated yet. Therefore, in the present study, we investigated the morphological and physiological changes that occur in the embryonic development of zebrafish due to ethalfluralin exposure. Results indicated that ethalfluralin decreased survival rate along with reduction in the hatching ratio and heartbeat. It was observed to cause edema in the heart and yolk sac, and apoptosis in the anterior region of the developing zebrafish larvae; as visualized through acridine orange and TUNEL staining. In addition, ethalfluralin increased the expression of the apoptosis-associated genes including tp53, cyc1, casp8, casp9, and casp3. The Seahorse Mito Stress analysis revealed that ethalfluralin slightly reduced mitochondrial respiration in live zebrafish embryos. Reactive oxygen species (ROS) production was also observed to be elevated in zebrafish larvae in response to ethalfluralin. Treatment with ethalfluralin decreased blood vessel formation in brain and intestine in flk1 transgenic zebrafish embryos. The decrease in angiogenesis related gene expression was specifically observed in vegfc, flt1, and kdrl, and in the intestinal vasculature related genes apoa4a, aqp3, fabp2, and vil1. Moreover, an increase in inflammatory genes such as cox2a, cox2b, cxcl-c1c, il8, mcl1a, mcl1b, and nf-κb was observed using real-time PCR analysis. Collectively, these results indicate that oxidative stress generated by exposure to ethalfluralin induced ROS generation, apoptosis, inflammation and anti-angiogenic effects, and therefore, ethalfluralin may be toxic to the development of zebrafish embryos.
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Affiliation(s)
- Taeyeon Hong
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Hahyun Park
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Garam An
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Gwonhwa Song
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea.
| | - Whasun Lim
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, Republic of Korea.
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