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Laperdrix C, Duhieu S, Haftek M. Chondroitin/dermatan sulphate proteoglycan, desmosealin, showing affinity to desmosomes. Int J Cosmet Sci 2024; 46:494-505. [PMID: 39113319 DOI: 10.1111/ics.12954] [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: 12/15/2023] [Accepted: 02/04/2024] [Indexed: 08/10/2024]
Abstract
INTRODUCTION Complexities of robotic distal gastrectomy (RDG) give reason to assess physician's surgical skill. Varying levels in surgical skill affect patient outcomes. We aim to investigate how a novel artificial intelligence (AI) model can be used to evaluate surgical skill in RDG by recognizing surgical instruments. METHODS Fifty-five consecutive robotic surgical videos of RDG for gastric cancer were analyzed. We used Deeplab, a multi-stage temporal convolutional network, and it trained on 1234 manually annotated images. The model was then tested on 149 annotated images for accuracy. Deep learning metrics such as Intersection over Union (IoU) and accuracy were assessed, and the comparison between experienced and non-experienced surgeons based on usage of instruments during infrapyloric lymph node dissection was performed. RESULTS We annotated 540 Cadiere forceps, 898 fenestrated bipolars, 359 suction tubes, 307 Maryland bipolars, 688 harmonic scalpels, 400 staplers, and 59 large clips. The average IoU and accuracy were 0.82 ± 0.12% and 87.2 ± 11.9% respectively. Moreover, the percentage of each instrument's usage to overall infrapyloric lymphadenectomy duration predicted by AI were compared. The use of stapler and large clip were significantly shorter in the experienced group compared to the non-experienced group. CONCLUSIONS This study is the first to report that surgical skill can be successfully and accurately determined by an AI model for RDG. Our AI gives us a way to recognize and automatically generate instance segmentation of the surgical instruments present in this procedure. Use of this technology allows unbiased, more accessible RDG surgical skill.
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Affiliation(s)
- Céline Laperdrix
- Tissue Biology and Therapeutic Engineering Laboratory (LBTI), UMR 5305 CNRS and Lyon1 University, Lyon, France
| | - Stéphane Duhieu
- Tissue Biology and Therapeutic Engineering Laboratory (LBTI), UMR 5305 CNRS and Lyon1 University, Lyon, France
| | - Marek Haftek
- Tissue Biology and Therapeutic Engineering Laboratory (LBTI), UMR 5305 CNRS and Lyon1 University, Lyon, France
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2
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Zhou Z, Zhang Y, Zeng Y, Yang D, Mo J, Zheng Z, Zhang Y, Xiao P, Zhong X, Yan W. Effects of Nanomaterials on Synthesis and Degradation of the Extracellular Matrix. ACS NANO 2024; 18:7688-7710. [PMID: 38436232 DOI: 10.1021/acsnano.3c09954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/05/2024]
Abstract
Extracellular matrix (ECM) remodeling is accompanied by the continuous synthesis and degradation of the ECM components. This dynamic process plays an important role in guiding cell adhesion, migration, proliferation, and differentiation, as well as in tissue development, body repair, and maintenance of homeostasis. Nanomaterials, due to their photoelectric and catalytic properties and special structure, have garnered much attention in biomedical fields for use in processes such as tissue engineering and disease treatment. Nanomaterials can reshape the cell microenvironment by changing the synthesis and degradation of ECM-related proteins, thereby indirectly changing the behavior of the surrounding cells. This review focuses on the regulatory role of nanomaterials in the process of cell synthesis of different ECM-related proteins and extracellular protease. We discuss influencing factors and possible related mechanisms of nanomaterials in ECM remodeling, which may provide different insights into the design and development of nanomaterials for the treatment of ECM disorder-related diseases.
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Affiliation(s)
- Zhiyan Zhou
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Yanli Zhang
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou 510260, China
| | - Yuting Zeng
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Dehong Yang
- Department of Orthopedics - Spinal Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Jiayao Mo
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Ziting Zheng
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Yuxin Zhang
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Ping Xiao
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Xincen Zhong
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Wenjuan Yan
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
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Aguilera SB, McCarthy A, Khalifian S, Lorenc ZP, Goldie K, Chernoff WG. The Role of Calcium Hydroxylapatite (Radiesse) as a Regenerative Aesthetic Treatment: A Narrative Review. Aesthet Surg J 2023; 43:1063-1090. [PMID: 37635437 PMCID: PMC11025388 DOI: 10.1093/asj/sjad173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2023] Open
Abstract
For decades, a wide variety of natural and synthetic materials have been used to augment human tissue to improve aesthetic outcomes. Dermal fillers are some of the most widely used aesthetic treatments throughout the body. Initially, the primary function of dermal fillers was to restore depleted volume. As biomaterial research has advanced, however, a variety of biostimulatory fillers have become staples in aesthetic medicine. Such fillers often contain a carrying vehicle and a biostimulatory material that induces de novo synthesis of major structural components of the extracellular matrix. One such filler, Radiesse (Merz Aesthetics, Raleigh, NC), is composed of calcium hydroxylapatite microspheres suspended in a carboxymethylcellulose gel. In addition to immediate volumization, Radiesse treatment results in increases of collagen, elastin, vasculature, proteoglycans, and fibroblast populations via a cell-biomaterial-mediated interaction. When injected, Radiesse acts as a cell scaffold and clinically manifests as immediate restoration of depleted volume, improvements in skin quality and appearance, and regeneration of endogenous extracellular matrices. This narrative review contextualizes Radiesse as a regenerative aesthetic treatment, summarizes its unique use cases, reviews its rheological, material, and regenerative properties, and hypothesizes future combination treatments in the age of regenerative aesthetics. LEVEL OF EVIDENCE: 5
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Affiliation(s)
| | - Alec McCarthy
- Corresponding Author: Dr Alec McCarthy, Medical Affairs North America, Merz Aesthetics, 6501 Six Forks Road, Raleigh, NC 27615, USA. E-mail:
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Abed K, Foucher A, Bernard D, Tancrède-Bohin E, Cavusoglu N. One-year longitudinal study of the stratum corneum proteome of retinol and all-trans-retinoic acid treated human skin: an orchestrated molecular event. Sci Rep 2023; 13:11196. [PMID: 37433822 DOI: 10.1038/s41598-023-37750-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 06/27/2023] [Indexed: 07/13/2023] Open
Abstract
Topically applied all-trans-retinoic acid (RA) is a gold-standard anti-aging molecule used in dermatology. As its cosmetic counterpart used in anti-aging, Retinol (ROL) is also a known metabolic precursor of RA. Despite this metabolic link, they haven't been compared exhaustively in vivo at a mechanistic level. Therefore, to highlight the effect of a topical application of both molecules on in vivo skin, we undertook a longitudinal 1-year study and performed an untargeted proteomic analysis to get a more holistic view on the underlying biological mechanisms of action. The generation of the temporal proteomics signatures of retinol and all-trans-retinoic acid reveals the impact of these molecules on biological functions related to the aging of skin. New biological functions impacted by retinoids were discovered: glycan metabolism and protein biosynthesis. In addition, the temporal analysis reveals highest modulations at early time points while the physical measures, such as epidermal thickening, was mostly observed at the latest time point, demonstrating a strong time lapse between molecular and morphological impacts. Finally, these global temporal signatures could be used to identify new cosmetic compounds of interest.
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Affiliation(s)
- Kahina Abed
- L'Oréal Research and Innovation, Aulnay-Sous-Bois, France.
| | - Aude Foucher
- L'Oréal Research and Innovation, Aulnay-Sous-Bois, France
| | | | - Emmanuelle Tancrède-Bohin
- L'Oréal Research and Innovation, Aulnay-Sous-Bois, France
- Service de Dermatologie, Hôpital Saint-Louis, Paris, France
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5
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Augustyniak A, McMahon H. Effect of Marine-Derived Saccharides on Human Skin Fibroblasts and Dermal Papilla Cells. Mar Drugs 2023; 21:330. [PMID: 37367655 DOI: 10.3390/md21060330] [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: 04/27/2023] [Revised: 05/19/2023] [Accepted: 05/25/2023] [Indexed: 06/28/2023] Open
Abstract
The skin is the largest organ of the human body, composed of a diverse range of cell types, non-cellular components, and an extracellular matrix. With aging, molecules that are part of the extracellular matrix undergo qualitative and quantitative changes and the effects, such as a loss of skin firmness or wrinkles, can be visible. The changes caused by the aging process do not only affect the surface of the skin, but also extend to skin appendages such as hair follicles. In the present study, the ability of marine-derived saccharides, L-fucose and chondroitin sulphate disaccharide, to support skin and hair health and minimize the effects of intrinsic and extrinsic aging was investigated. The potential of the tested samples to prevent adverse changes in the skin and hair through stimulation of natural processes, cellular proliferation, and production of extracellular matrix components collagen, elastin, or glycosaminoglycans was investigated. The tested compounds, L-fucose and chondroitin sulphate disaccharide, supported skin and hair health, especially in terms of anti-aging effects. The obtained results indicate that both ingredients support and promote the proliferation of dermal fibroblasts and dermal papilla cells, provide cells with a supply of sulphated disaccharide GAG building blocks, increase ECM molecule production (collagen and elastin) by HDFa, and support the growth phase of the hair cycle (anagen).
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Affiliation(s)
- Aleksandra Augustyniak
- Circular Bioeconomy Research Group, Shannon Applied Biotechnology Centre, Munster Technological University-Kerry, Clash, V92CX88 Tralee, Co. Kerry, Ireland
| | - Helena McMahon
- Circular Bioeconomy Research Group, Shannon Applied Biotechnology Centre, Munster Technological University-Kerry, Clash, V92CX88 Tralee, Co. Kerry, Ireland
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Lin P, Zhang G, Li H. The Role of Extracellular Matrix in Wound Healing. Dermatol Surg 2023; 49:S41-S48. [PMID: 37115999 DOI: 10.1097/dss.0000000000003779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
BACKGROUND Extracellular matrix communicates with surrounding cells to maintain skin homeostasis and modulate multiple cellular processes including wound healing. OBJECTIVE To elucidate the dynamic composition and potential roles of extracellular matrix in normal skin, wound healing process, and abnormal skin scarring. MATERIALS AND METHODS Literature review was performed to identify relevant publications pertaining to the extracellular matrix deposition in normal skin and wound healing process, as well as in abnormal scars. RESULTS A summary of the matrix components in normal skin is presented. Their primary roles in hemostasis, inflammation, proliferation, and remodeling phases of wound healing are briefly discussed. Identification of novel extracellular matrix in keloids is also provided. CONCLUSION Abnormal scarring remains a challenging condition with unmet satisfactory treatments. Illumination of extracellular matrix composition and functions in wound healing process will allow for the development of targeted therapies in the future.
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Affiliation(s)
- Pingping Lin
- Department of Dermatology and Venereology, Peking University First Hospital, Beijing, China
- Beijing Key Laboratory of Molecular Diagnosis on Dermatoses, Beijing, China
- National Clinical Research Center for Skin and Immune Diseases, Beijing, China
- NMPA Key Laboratory for Quality Control and Evaluation of Cosmetics, Beijing, China
| | - Guohong Zhang
- Department of Pathology, Shantou University Medical College, Shantou, Guangdong, China
| | - Hang Li
- Department of Dermatology and Venereology, Peking University First Hospital, Beijing, China
- Beijing Key Laboratory of Molecular Diagnosis on Dermatoses, Beijing, China
- National Clinical Research Center for Skin and Immune Diseases, Beijing, China
- NMPA Key Laboratory for Quality Control and Evaluation of Cosmetics, Beijing, China
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7
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Brenner E. Grundlagen des Lymphgefäßsystems. PHLEBOLOGIE 2023. [DOI: 10.1055/a-1966-3109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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8
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Choi SH, Lee BJ, Lee SY. A study on skin mobility according to joint movement: Variations in mobility according to joint motion range and correlation and influence with hydrica composition. Skin Res Technol 2023; 29:e13288. [PMID: 36823503 PMCID: PMC10155801 DOI: 10.1111/srt.13288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 01/20/2023] [Indexed: 02/11/2023]
Abstract
BACKGROUND Skin structures arranged in an advantageous structure for skin stretching to facilitate movement of the human body, and have structural functions to help the movement of the joints by changing the position of the skin, such as the stretch that occurs incidentally. Proper movement of the skin is required to be efficient owing to the nature of the skin that covers the entire human body with a single connected tissue layer. AIMS The purpose of this study was to quantify the skin mobility that occurs during joint motion and to identify the correlation and influence with hydrica composition. MATERIALS & METHODS The subjects of this study were healthy people in their 20s-50s (20 male, 20 female), The movement of the skin marker attached to the skin was measured using X-ray, and the hydrica composition was measured using Inbody S10. RESULTS Experiments showed that the skin on the side at which the joint bends and wrinkles form moved away from the moving joint, while the skin on the side where the wrinkles spread out moved toward the moving joint. As the range of joint motion increases, the skin became more mobile (OR: 18.95 ± 5.91 mm, MR: 34.09 ± 7.87 mm, IR: 51.14 ± 8.73 mm, FF: 78.76 ± 12.24) (p < 0.05). As a result of regression analysis between the total amount of skin mobility and the factors of hydrica composition, it was found that the ABW (arm body water) affected skin mobility as B = 7.430 (p < 0.05, adjusted R2 = 0.119). CONCLUSION Based on the results of this study, it was revealed that directional movement of the skin appeared according to joint movement, and it was affected by body water.
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Affiliation(s)
- Su Hong Choi
- Department of Rehabilitation MedicinePusan National University HospitalSeo‐guRepublic of Korea
| | - Byeong Ju Lee
- Department of Rehabilitation MedicinePusan National University HospitalSeo‐guRepublic of Korea
| | - Sang Yeol Lee
- Department of Physical TherapyKyung‐sung UniversityNam‐guRepublic of Korea
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9
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Guvatova ZG, Borisov PV, Alekseev AA, Moskalev AA. Age-Related Changes in Extracellular Matrix. BIOCHEMISTRY. BIOKHIMIIA 2022; 87:1535-1551. [PMID: 36717445 DOI: 10.1134/s0006297922120112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Extracellular matrix (ECM) is an extracellular tissue structure that, in addition to mechanical support to the cell, is involved in regulation of many cellular processes, including chemical transport, growth, migration, differentiation, and cell senescence. Age-related changes in the structure and composition of the matrix and increase of ECM stiffness with age affect functioning of many tissues and contribute to the development of various pathological conditions. This review considers age-related changes of ECM in various tissues and organs, in particular, effect of ECM changes on aging is discussed.
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Affiliation(s)
- Zulfiia G Guvatova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia.,Russian Clinical Research Center for Gerontology, Pirogov Russian National Research Medical University, Ministry of Healthcare of the Russian Federation, Moscow, 129226, Russia
| | - Pavel V Borisov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia
| | - Alexey A Alekseev
- Russian Clinical Research Center for Gerontology, Pirogov Russian National Research Medical University, Ministry of Healthcare of the Russian Federation, Moscow, 129226, Russia
| | - Alexey A Moskalev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia. .,Russian Clinical Research Center for Gerontology, Pirogov Russian National Research Medical University, Ministry of Healthcare of the Russian Federation, Moscow, 129226, Russia
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10
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Molecular Mechanisms of Changes in Homeostasis of the Dermal Extracellular Matrix: Both Involutional and Mediated by Ultraviolet Radiation. Int J Mol Sci 2022; 23:ijms23126655. [PMID: 35743097 PMCID: PMC9223561 DOI: 10.3390/ijms23126655] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/12/2022] [Accepted: 06/12/2022] [Indexed: 02/01/2023] Open
Abstract
Skin aging is a multi-factorial process that affects nearly every aspect of skin biology and function. With age, an impairment of structures, quality characteristics, and functions of the dermal extracellular matrix (ECM) occurs in the skin, which leads to disrupted functioning of dermal fibroblasts (DFs), the main cells supporting morphofunctional organization of the skin. The DF functioning directly depends on the state of the surrounding collagen matrix (CM). The intact collagen matrix ensures proper adhesion and mechanical tension in DFs, which allows these cells to maintain collagen homeostasis while ECM correctly regulates cellular processes. When the integrity of CM is destroyed, mechanotransduction is disrupted, which is accompanied by impairment of DF functioning and destruction of collagen homeostasis, thereby contributing to the progression of aging processes in skin tissues. This article considers in detail the processes of skin aging and associated changes in the skin layers, as well as the mechanisms of these processes at the molecular level.
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Managing Skin Ageing as a Modifiable Disorder—The Clinical Application of Nourella® Dual Approach Comprising a Nano-Encapsulated Retinoid, Retilex-A® and a Skin Proteoglycan Replacement Therapy, Vercilex®. COSMETICS 2022. [DOI: 10.3390/cosmetics9020031] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Skin ageing is a progressive, but modifiable, multi-factorial disorder that involves all the skin’s tissues. Due to its wide range of physiological and psychosocial complications, skin ageing requires rigorous clinical attention. In this review, we aim to encourage clinicians to consider skin ageing as a disorder and suggest a novel, dual approach to its clinical treatment. Topical retinoids and per-oral proteoglycans are promising, non-invasive, therapeutic modalities. To overcome the low bioavailability of conventional free retinoids, Nourella® cream with Retilex-A® (Pharma Medico, Aarhus, Denmark) was developed using a proprietary nano-encapsulation technology. The nano-encapsulation is a sophisticated ‘permeation/penetration enhancer’ that optimises topical drug delivery by increasing the surface availability and net absorption ratio. Treatment adherence is also improved by minimising skin irritation. Interventional evidence suggests the greater efficacy of Retilex-A® in improving skin thickness and elasticity compared with conventional free forms. It is also reported that the rejuvenating efficacy of Retilex-A® and tretinoin are comparable. Another skin anti-ageing approach is proteoglycan replacement therapy (PRT) with Vercilex®. Vercilex® in Nourella® tablet form has the potential to ameliorate proteoglycan dysmetabolism in aged skin by activating skin cells and improving collagen/elastin turnover. Replicated clinical trials evidenced that PRT can significantly enhance the density, elasticity and thickness of both intrinsically aged and photoaged skin. Evidently, Vercilex® and Retilex-A® share a range of bioactivities that underlie their synergistic activity, as observed in a clinical trial. Dual therapy with Nourella® tablets and cream produced greater effects on skin characteristics than monotherapy with each of the two treatments. In conclusion, Nourella® cream and tablets are safe and effective treatments for skin ageing; however, combining the two in a ‘dual skin rejuvenation system’ significantly improves treatment outcomes.
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12
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Fu H, Yu C, Li X, Bao H, Zhang B, Chen Z, Zhang Z. Facile engineering of ECM-mimetic injectable dual crosslinking hydrogels with excellent mechanical resilience, tissue adhesion, and biocompatibility. J Mater Chem B 2021; 9:10003-10014. [PMID: 34874044 DOI: 10.1039/d1tb01914g] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Injectable hydrogels have aroused ever-increasing interest for their cell/biomaterial delivery ability through minimally invasive procedures. Nevertheless, it is still a challenge to simply fabricate natural biopolymer-based injectable hydrogels possessing satisfactory mechanical properties, bioadhesion, and cell delivery ability. Herein, we describe a facile dual crosslinking (DC) strategy for preparing extracellular matrix (ECM) mimetic hydrogels with desirable comprehensive performance. The chondroitin sulfate (CS)- and gelatin (Gel)-based single crosslinked (SC) hydrogels were first developed via reversible borate ester bonds, and further strengthened through the Michael-addition crosslinking reaction or visible-light initiated photopolymerization with thiol-containing polyethylene glycol (PEG) crosslinkers. The dynamic SC hydrogels showed good injectability, pH-sensitive gel-sol transformation, and self-adhesion ability to various biological tissues such as skin, liver, and intervertebral disc. The mechanically tough DC hydrogels displayed tunable stiffness, and resilience to compression load (up to 90% strain) owing to the effective energy dissipation mechanism. The formed DC hydrogels after subcutaneous injection well integrated with surrounding tissues and exhibited fast self-recovery properties. Moreover, the photoencapsulation of human mesenchymal stem cells (hMSCs) within the developed DC hydrogels was achieved and has been proved to be biocompatible, highlighting the great potential of the photopolymerized DC hydrogels in cell delivery and three-dimensional (3D) cell culture. This biomimetic, mechanically resilient, adhesive, and cytocompatible injectable DC hydrogel could serve as a promising candidate for tissue engineering.
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Affiliation(s)
- Han Fu
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-tech and Nanobionics, Chinese Academy of Sciences, Suzhou 215123, China. .,University of Chinese Academy of Sciences, 19(A) Yuquan Road, Beijing 100049, China
| | - Chenggong Yu
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-tech and Nanobionics, Chinese Academy of Sciences, Suzhou 215123, China.
| | - Xiaodi Li
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-tech and Nanobionics, Chinese Academy of Sciences, Suzhou 215123, China.
| | - Hongying Bao
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-tech and Nanobionics, Chinese Academy of Sciences, Suzhou 215123, China.
| | - Bo Zhang
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-tech and Nanobionics, Chinese Academy of Sciences, Suzhou 215123, China.
| | - Zhongjin Chen
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-tech and Nanobionics, Chinese Academy of Sciences, Suzhou 215123, China.
| | - Zhijun Zhang
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-tech and Nanobionics, Chinese Academy of Sciences, Suzhou 215123, China.
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13
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Galicka A, Sutkowska-Skolimowska J. The Beneficial Effect of Rosmarinic Acid on Benzophenone-3-Induced Alterations in Human Skin Fibroblasts. Int J Mol Sci 2021; 22:11451. [PMID: 34768882 PMCID: PMC8584053 DOI: 10.3390/ijms222111451] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 10/20/2021] [Accepted: 10/21/2021] [Indexed: 12/22/2022] Open
Abstract
Benzophenone-3 (BP-3) is one of the most widely used chemical sunscreens. The results of many in vitro and in vivo tests confirm its high percutaneous penetration and systemic absorption, which question the safety of its wide use. The aim of our research was to assess the effect of this compound on components of the skin extracellular matrix, and to investigate whether rosmarinic acid (RA) could reduce BP-3-induced changes in human skin fibroblasts. BP-3 used at concentrations of 0.1-100 µM caused a number of unfavorable changes in the level of type I collagen, decorin, sulfated glycosaminoglycans, hyaluronic acid, elastin, and expression or activity of matrix metalloproteinases (MMP-1, MMP-2), elastase and hyaluronidase. Moreover, the intracellular retention of collagen was accompanied by changes in the expression of proteins modifying and controlling the synthesis and secretion of this protein. Most importantly, RA at a concentration of 100 µM significantly reduced or completely abolished the adverse effects of BP-3. Based on these findings, it can be concluded that this polyphenol may provide effective protection against BP-3-induced disturbances in skin cells, which may have important clinical implications.
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Affiliation(s)
- Anna Galicka
- Department of Medical Chemistry, Medical University of Bialystok, Mickiewicza 2A, 15-222 Bialystok, Poland;
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14
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Choi HMC, Cheung AKK, Ng MCH, Zheng Y, Jan YK, Cheing GLY. Indentation Stiffness Measurement by an Optical Coherence Tomography-Based Air-Jet Indentation System Can Reflect Type I Collagen Abundance and Organisation in Diabetic Wounds. Front Bioeng Biotechnol 2021; 9:648453. [PMID: 33748093 PMCID: PMC7969662 DOI: 10.3389/fbioe.2021.648453] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 02/09/2021] [Indexed: 11/13/2022] Open
Abstract
There is a lack of quantitative and non-invasive clinical biomechanical assessment tools for diabetic foot ulcers. Our previous study reported that the indentation stiffness measured by an optical coherence tomography-based air-jet indentation system in a non-contact and non-invasive manner may reflect the tensile properties of diabetic wounds. As the tensile properties are known to be contributed by type I collagen, this study was aimed to establish the correlations between the indentation stiffness, and type I collagen abundance and organisation, in order to further justify and characterise the in vivo indentation stiffness measurement in diabetic wounds. In a male streptozotocin-induced diabetic rat model, indentation stiffness, and type I collagen abundance and organisation of excisional wounds were quantified and examined using the optical coherence tomography-based air-jet indentation system and picrosirius red polarised light microscopy, respectively, on post-wounding days 3, 5, 7, 10, 14, and 21. The results showed significant negative correlations between indentation stiffness at the wound centre, and the collagen abundance and organisation. The correlations between the indentation stiffness, as well as collagen abundance and organisation of diabetic wounds suggest that the optical coherence tomography-based air-jet indentation system can potentially be used to quantitatively and non-invasively monitor diabetic wound healing in clinical settings, clinical research or preclinical research.
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Affiliation(s)
- Harry Ming Chun Choi
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Alex Kwok-Kuen Cheung
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Michelle Chun Har Ng
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Yongping Zheng
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Yih-Kuen Jan
- Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Urbana, IL, United States
| | - Gladys Lai Ying Cheing
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong
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Dengjel J, Bruckner-Tuderman L, Nyström A. Skin proteomics - analysis of the extracellular matrix in health and disease. Expert Rev Proteomics 2020; 17:377-391. [PMID: 32552150 DOI: 10.1080/14789450.2020.1773261] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
INTRODUCTION The skin protects the human body from external insults and regulates water and temperature homeostasis. A highly developed extracellular matrix (ECM) supports the skin and instructs its cell functions. Reduced functionality of the ECM is often associated with skin diseases that cause physical impairment and also have implications on social interactions and quality of life of affected individuals. AREAS COVERED With a focus on the skin ECM we discuss how mass spectrometry (MS)-based proteomic approaches first contributed to establishing skin protein inventories and then facilitated elucidation of molecular functions and disease mechanisms. EXPERT OPINION MS-based proteomic approaches have significantly contributed to our understanding of skin pathophysiology, but also revealed the challenges in assessing the skin ECM. The numerous posttranslational modifications of ECM proteins, like glycosylation, crosslinking, oxidation, and proteolytic maturation in disease settings can be difficult to tackle and remain understudied. Increased ease of handling of LC-MS/MS systems and automated/streamlined data analysis pipelines together with the accompanying increased usage of LC-MS/MS approaches will ensure that in the coming years MS-based proteomic approaches will continue to play a vital part in skin disease research. They will facilitate the elucidation of molecular disease mechanisms and, ultimately, identification of new druggable targets.
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Affiliation(s)
- Jörn Dengjel
- Department of Biology, University of Fribourg , Fribourg, Switzerland
| | - Leena Bruckner-Tuderman
- Department of Dermatology, Faculty of Medicine, Medical Center - University of Freiburg , Freiburg, University of Freiburg, Freiburg, Germany Germany
| | - Alexander Nyström
- Department of Dermatology, Faculty of Medicine, Medical Center - University of Freiburg , Freiburg, University of Freiburg, Freiburg, Germany Germany
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16
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Mavrogonatou E, Pratsinis H, Kletsas D. The role of senescence in cancer development. Semin Cancer Biol 2020; 62:182-191. [DOI: 10.1016/j.semcancer.2019.06.018] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 06/24/2019] [Accepted: 06/27/2019] [Indexed: 02/07/2023]
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17
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Prawira AY, Hosaka YZ, Novelina S, Farida WR, Darusman HS, Agungpriyono S. Morphological evaluation of polysaccharide content and collagen composition during cutaneous wound healing in the Sunda porcupine (Hystrix javanica). J Vet Med Sci 2020; 82:506-515. [PMID: 32213731 PMCID: PMC7273595 DOI: 10.1292/jvms.19-0603] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Wound healing in the Sunda porcupine is believed to occur quickly, although the wound is large and severe. Wound enclosure involves many processes to restore the lost or damaged skin
structure where conjugated polysaccharide-protein and collagen, as the main components deposited in wound tissue to restore it. The aim of this study was to evaluate alteration of
polysaccharide contents and collagen in untreated full-thickness wound healing in the thoracodorsal and lumbosacral regions in the Sunda porcupines. Histological analysis was performed by
periodic acid Schiff, alcian blue pH 2.5, picrosirius red staining method and Low Vacuum Scanning Electron Microscope (LV-SEM) imaging to obtain the fundamental data of healing process.
Wound healing began with re-epithelization followed by progressive wound contraction with 4 overlapping stages in about 30–50 days until the wound closed (21–30 days in thoracodorsal and
30–50 days in lumbosacral). Neutral polysaccharide was more widely distributed compared to the acid polysaccharide in almost all stages of wound healing. The ratio of collagen I to III
appeared to be higher in the thoracodorsal region than the lumbosacral region during healing process. LV-SEM imaging showed changes in connective tissue structure in the wound border and
granulation tissue which appeared abundant and mixed of thin and thick fiber. In conclusion, cutaneous full thickness wound healing in the Sunda porcupine occurred faster in the
thoracodorsal region, which might be correlated to the role of neutral polysaccharide and a high ratio of collagen I to III.
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Affiliation(s)
- Andhika Yudha Prawira
- Department of Anatomy Physiology and Pharmacology, Faculty of Veterinary Medicine, IPB University, Bogor 16680, Indonesia
| | - Yoshinao Z Hosaka
- Laboratory of Veterinary Anatomy, Department of Veterinary Medicine, Faculty of Agriculture, Tottori University, Tottori 680-8550, Japan
| | - Savitri Novelina
- Department of Anatomy Physiology and Pharmacology, Faculty of Veterinary Medicine, IPB University, Bogor 16680, Indonesia
| | - Wartika Rosa Farida
- Zoology Division, Research Center for Biology, Indonesian Institute of Sciences, Cibinong 16911, Indonesia
| | - Huda Shalahudin Darusman
- Department of Anatomy Physiology and Pharmacology, Faculty of Veterinary Medicine, IPB University, Bogor 16680, Indonesia.,Primate Research Center, IPB University, Bogor 16680, Indonesia
| | - Srihadi Agungpriyono
- Department of Anatomy Physiology and Pharmacology, Faculty of Veterinary Medicine, IPB University, Bogor 16680, Indonesia
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18
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Pang X, Dong N, Zheng Z. Small Leucine-Rich Proteoglycans in Skin Wound Healing. Front Pharmacol 2020; 10:1649. [PMID: 32063855 PMCID: PMC6997777 DOI: 10.3389/fphar.2019.01649] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 12/16/2019] [Indexed: 12/11/2022] Open
Abstract
Healing of cutaneous wounds is a complex and well-coordinated process requiring cooperation among multiple cells from different lineages and delicately orchestrated signaling transduction of a diversity of growth factors, cytokines, and extracellular matrix (ECM) at the wound site. Most skin wound healing in adults is imperfect, characterized by scar formation which results in significant functional and psychological sequelae. Thus, the reconstruction of the damaged skin to its original state is of concern to doctors and scientists. Beyond the traditional treatments such as corticosteroid injection and radiation therapy, several growth factors or cytokines-based anti-scarring products are being or have been tested in clinical trials to optimize skin wound healing. Unfortunately, all have been unsatisfactory to date. Currently, accumulating evidence suggests that the ECM not only functions as the structural component of the tissue but also actively modulates signal transduction and regulates cellular behaviors, and thus, ECM should be considered as an alternative target for wound management pharmacotherapy. Of particular interest are small leucine-rich proteoglycans (SLRPs), a group of the ECM, which exist in a wide range of connecting tissues, including the skin. This manuscript summarizes the most current knowledge of SLRPs regarding their spatial-temporal expression in the skin, as well as lessons learned from the genetically modified animal models simulating human skin pathologies. In this review, particular focus is given on the diverse roles of SLRP in skin wound healing, such as anti-inflammation, pro-angiogenesis, pro-migration, pro-contraction, and orchestrate transforming growth factor (TGF)β signal transduction, since cumulative investigations have indicated their therapeutic potential on reducing scar formation in cutaneous wounds. By conducting this review, we intend to gain insight into the potential application of SLRPs in cutaneous wound healing management which may pave the way for the development of a new generation of pharmaceuticals to benefit the patients suffering from skin wounds and their sequelae.
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Affiliation(s)
- Xiaoxiao Pang
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, China.,Division of Growth and Development, School of Dentistry, University of California, Los Angeles, Los Angeles, CA, United States
| | - Nuo Dong
- Division of Growth and Development, School of Dentistry, University of California, Los Angeles, Los Angeles, CA, United States
| | - Zhong Zheng
- Division of Growth and Development, School of Dentistry, University of California, Los Angeles, Los Angeles, CA, United States
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Abstract
Purpose: Biglycan is a proteoglycan of the small leucine-rich repeat family. It is present in all connective tissues and plays key structural and signaling roles. This review aimed to compile available evidence in the characteristics and distribution of biglycan and its glycosylated and non-glycosylated forms in connective tissues with a specific focus on the contribution to homeostasis of bone and changes of biglycan structure with aging.Methods: The Pubmed database was searched and included the terms "biglycan", "proteoglycans", "glycosaminoglycans", "bone", "osteoblast", "osteocyte", "osteoclast", "aging", "inflammation", "cartilage". Abstracts were appraised and a series of original articles and reviews studied to generate this narrative review.Results: Based on the search, biglycan significantly affects bone development and homeostasis and can be significantly changed by the aging process in several connective tissues, which in turn affects the behavior of tissue and cell responses in aged networks. Further, as the understanding of the various forms of biglycan in vivo is expanded and the function of its components in vitro is dissected, this proteoglycan can potentially serve as a therapeutic or biomarker molecule to detect tissue destruction.Conclusions: Biglycan is a key player in skeletal bone homeostasis, and overall, there is more evidence on the role of biglycan in development and less in the adult physiological or diseased young and aged systems. Further understanding of its conformation, degradation peptides and post-translational modifications will be required to understand the role of biglycan in bone maintenance and to support the development of treatments for age-related bone dysfunctions.
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Affiliation(s)
- Patricia A Miguez
- Adams School of Dentistry, Division of Comprehensive Oral Health, The University of North Carolina, Chapel Hill, NC, USA
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20
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Decreased expression of GPC1 in human skin keratinocytes and epidermis during ageing. Exp Gerontol 2019; 126:110693. [PMID: 31430521 DOI: 10.1016/j.exger.2019.110693] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 07/23/2019] [Accepted: 08/14/2019] [Indexed: 01/12/2023]
Abstract
BACKGROUND Glypicans (GPCs) are heparan sulfate cell membrane proteoglycans containing glycosylphosphatidylinositol (GPI) anchor. They play important role in cell behavior by activating/presenting numerous growth factors and cytokines. OBJECTIVES The expression of GPCs was investigated in primary culture of skin keratinocytes sampled from healthy donors of different age. MATERIALS AND METHODS Primary keratinocytes from healthy female donors aged from 20 to 89 years old (n = 30) were either isolated from breast or abdominal skin samples (n = 27) or purchased (n = 3). GPCs expression was examined by qPCR, immunohistochemistry and western blot. Its role in proliferation induced by fibroblast growth factor 2 (FGF2) was also studied. RESULTS Glypican 1 (GPC1) was the major expressed GPC in human keratinocytes. Its expression was up to two orders of magnitude higher than other GPCs and was significantly decreased with the age of the donors. It was localized at the cell surface and associated with intracellular granules. In skin sections, GPC1 was mainly localized in basal layer of epidermis. Shedding of GPCs decreased the proliferative effect of FGF2, confirming their role of modulator of growth factor effects on keratinocytes. These results established GPC1 as an important player in epidermis biology and skin ageing.
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21
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Equol’s efficacy is greater than astaxanthin for antioxidants, extracellular matrix integrity & breakdown, growth factors and inflammatory biomarkers via human skin gene expression analysis. J Funct Foods 2019. [DOI: 10.1016/j.jff.2019.03.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
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Abstract
We begin this chapter by describing normal characteristics of several pertinent connective tissue components, and some of the basic changes they undergo with ageing. These alterations are not necessarily tied to any specific disease or disorders, but rather an essential part of the normal ageing process. The general features of age-induced changes, such as skin wrinkles, in selected organs with high content of connective or soft tissues are discussed in the next part of the chapter. This is followed by a section dealing with age-related changes in specific diseases that fall into at least two categories. The first category encompasses common diseases with high prevalence among mostly ageing populations where both genetic and environmental factors play roles. They include but may not be limited to atherosclerosis and coronary heart disease, type II diabetes, osteopenia and osteoporosis, osteoarthritis, tendon dysfunction and injury, age-related disorders of spine and joints. Disorders where genetics plays the primary role in pathogenesis and progression include certain types of progeria, such as Werner syndrome and Hutchinson-Gilford progeria belong to the second category discussed in this chapter. These disorders are characterized by accelerated signs and symptoms of ageing. Other hereditary diseases or syndromes that arise from mutations of genes encoding for components of connective tissue and are less common than diseases included in the first group will be discussed briefly as well, though they may not be directly associated with ageing, but their connective tissue undergoes some changes compatible with ageing. Marfan and Ehlers-Danlos syndromes are primary examples of such disorders. We will probe the role of specific components of connective tissue and extracellular matrix if not in each of the diseases, then at least in the main representatives of these disorders.
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Affiliation(s)
- Carolyn Ann Sarbacher
- Department of Pathology, College of Veterinary Medicine, The University of Georgia and AU/UGA Medical Partnership, Athens, GA, USA
| | - Jaroslava T Halper
- Department of Pathology, College of Veterinary Medicine, The University of Georgia and AU/UGA Medical Partnership, Athens, GA, USA.
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23
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Ohto-Fujita E, Shimizu M, Sano S, Kurimoto M, Yamazawa K, Atomi T, Sakurai T, Murakami Y, Takami T, Murakami T, Yoshimura K, Hasebe Y, Atomi Y. Solubilized eggshell membrane supplies a type III collagen-rich elastic dermal papilla. Cell Tissue Res 2018; 376:123-135. [PMID: 30448901 DOI: 10.1007/s00441-018-2954-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Accepted: 10/27/2018] [Indexed: 12/19/2022]
Abstract
Signs of aging in facial skin correlate with lifespan and chronic disease; however, the health of aging skin has not been extensively studied. In healthy young skin, the dermis forms a type III collagen-rich dermal papilla, where capillary vessels supply oxygen and nutrients to basal epidermal cells. Chicken eggshell membranes (ESMs) have been used as traditional medicines to promote skin wound healing in Asian countries for many years. Previously, we designed an experimental system in which human dermal fibroblasts (HDFs) were cultured on a dish with a solubilized ESM (S-ESM) bound to an artificial phosphorylcholine polymer; we found that genes that promoted the health of the papillary dermis, such as those encoding type III collagen, were induced in the S-ESM environment. The present study found that a gel with a ratio of 20% type III/80% type I collagen, similar to that of the baby skin, resulted in a higher elasticity than 100% type I collagen (p < 0.05) and that HDFs in the gel showed high mitochondrial activity. Thus, we decided to perform further evaluations to identify the effects of S-ESM on gene expression in the skin of hairless mice and found a significant increase of type III collagen in S-ESM. Picrosirius Red staining showed that type III collagen significantly increased in the papillary dermis after S-ESM treatment. Moreover, S-ESM application significantly improved human arm elasticity and reduced facial wrinkles. ESMs may have applications in extending lifespan by reducing the loss of tissue elasticity through the increase of type III collagen.
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Affiliation(s)
- Eri Ohto-Fujita
- Material Health Science Laboratory, Graduate School of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei-shi, Tokyo, 184-8588, Japan
| | - Miho Shimizu
- Material Health Science Laboratory, Graduate School of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei-shi, Tokyo, 184-8588, Japan
| | - Shoei Sano
- Material Health Science Laboratory, Graduate School of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei-shi, Tokyo, 184-8588, Japan
| | - Masashi Kurimoto
- Material Health Science Laboratory, Graduate School of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei-shi, Tokyo, 184-8588, Japan
| | - Kai Yamazawa
- Material Health Science Laboratory, Graduate School of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei-shi, Tokyo, 184-8588, Japan
| | - Tomoaki Atomi
- Faculty of Health Sciences, Department of Physical Therapy, Kyorin University, 5-4-1 Shimorenjaku, Mitaka-shi, Tokyo, 181-8612, Japan
| | - Takashi Sakurai
- Department of Life Sciences, The Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1, Komaba, Meguro-ku, Tokyo, 153-8902, Japan.,Astellas Institute for Regenerative Medicine, 33 Locke Drive, Marlborough, MA, 01752, USA
| | - Yoshihiko Murakami
- Department of Organic and Polymer Materials Chemistry, Faculty of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei-shi, Tokyo, 184-8588, Japan
| | - Taku Takami
- Department of Organic and Polymer Materials Chemistry, Faculty of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei-shi, Tokyo, 184-8588, Japan
| | - Tomoaki Murakami
- Laboratory of Veterinary Toxicology, Cooperative Department of Veterinary Medicine, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan
| | - Kotaro Yoshimura
- Department of Plastic Surgery, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke-shi, Tochigi-ken, 329-0498, Japan
| | - Yukio Hasebe
- Almado Inc., 3-6-18 Kyobashi, Chuo-ku, Tokyo, 104-0031, Japan
| | - Yoriko Atomi
- Material Health Science Laboratory, Graduate School of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei-shi, Tokyo, 184-8588, Japan.
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Haydont V, Neiveyans V, Zucchi H, Fortunel NO, Asselineau D. Genome-wide profiling of adult human papillary and reticular fibroblasts identifies ACAN, Col XI α1, and PSG1 as general biomarkers of dermis ageing, and KANK4 as an exemplary effector of papillary fibroblast ageing, related to contractility. Mech Ageing Dev 2018; 177:157-181. [PMID: 29913199 DOI: 10.1016/j.mad.2018.06.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Revised: 05/20/2018] [Accepted: 06/08/2018] [Indexed: 01/21/2023]
Abstract
Deciphering the characteristics of dermal fibroblasts is critical to further understand skin ageing. We have conducted a genome-wide transcriptomic characterization of papillary (Fp) and reticular (Fr) fibroblasts extracted from human skin samples corresponding to younger and older adult ages. From this screen, biomarkers suitable for the assessment of chronological ageing were identified, and extrapolated to the context of photo-damaged skin. In particular, KANK4, ACAN, Col XI α1, and PSG1, were expressed at an increased level in both chronologically-aged and photo-damaged skin. Notably, analysis focused on Fp identified significant transcriptional signatures associated with ageing, which included transcripts related to extracellular matrix, focal adhesion points, and cytoskeleton, thus suggesting functional consequences on tissue structure. At a cellular level, an increased contractility was identified as a property of aged Fp. Accordingly, further investigations were conducted on the KN motif and ankyrin repeat-containing protein 4 (KANK4) to explore its possible function as an original effector involved in the acquisition of aged properties in Fp, notably their increased contractility. We show that KANK4 down-modulation using siRNA led to increased Rho pathway activity, thereby reducing their contractility. As a proof-of-principle, the present study shows that targeting KANK4 was efficient to attenuate aged Fp characteristics.
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Affiliation(s)
- Valérie Haydont
- Advanced Research, L'Oréal Research and Innovation, 93600, Aulnay-sous-Bois, France.
| | - Véronique Neiveyans
- Advanced Research, L'Oréal Research and Innovation, 93600, Aulnay-sous-Bois, France
| | - Hélène Zucchi
- Advanced Research, L'Oréal Research and Innovation, 93600, Aulnay-sous-Bois, France
| | - Nicolas O Fortunel
- Laboratoire de Génomique et Radiobiologie de la Kératinopoïèse, Institut de Biologie François Jacob, CEA/DRF/IRCM, 91000, Evry, France; INSERM U967, Fontenay-aux-Roses, France; Université Paris-Diderot, Paris 7, France; Université Paris-Saclay, Paris 11, France.
| | - Daniel Asselineau
- Advanced Research, L'Oréal Research and Innovation, 93600, Aulnay-sous-Bois, France
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25
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Haydont V, Bernard BA, Fortunel NO. Age-related evolutions of the dermis: Clinical signs, fibroblast and extracellular matrix dynamics. Mech Ageing Dev 2018; 177:150-156. [PMID: 29548941 DOI: 10.1016/j.mad.2018.03.006] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Accepted: 03/12/2018] [Indexed: 01/28/2023]
Abstract
Ageing is today a major societal concern that is intrinsically associated with the increase of life expectancy. Outside the context of severe degenerative diseases that affect the elderly populations, normal visible signs of ageing, notably skin sagging and wrinkles, influence the social and individual perception of peoples. Accordingly, there is a strong demand for researches on skin ageing. Deciphering the cellular and molecular processes of skin evolution through ageing is thus an active scientific domain, at the frontier of tissue developmental and ageing biology. The focus of the present article is to provide an overview of the current knowledge concerning the evolution of dermis characteristics at different life stages, from intra-uterine to post-natal life. The description will integrate stage-specific and age-related changes in dermis characteristics at the tissue, cell, and molecular levels.
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Affiliation(s)
- Valérie Haydont
- Knowledge and Performance Department, Advanced Research, L'Oréal Research and Innovation, 93600, Aulnay-sous-Bois, France.
| | - Bruno A Bernard
- Scientific Directorate, L'Oréal Research and Innovation, 92100, Clichy, France
| | - Nicolas O Fortunel
- Laboratoire de Génomique et Radiobiologie de la Kératinopoïèse, Institut de Biologie François Jacob, CEA/DRF/IRCM, 91000, Evry, France; INSERM U967, Fontenay-aux-Roses, France; Université Paris-Diderot, Paris 7, France; Université Paris-Saclay, Paris 11, France.
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26
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Hatano S, Nagai N, Sugiura N, Tsuchimoto J, Isogai Z, Kimata K, Ota A, Karnan S, Hosokawa Y, Watanabe H. Versican A-subdomain is required for its adequate function in dermal development. Connect Tissue Res 2018; 59:178-190. [PMID: 28488903 DOI: 10.1080/03008207.2017.1324432] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Versican, a large chondroitin sulfate (CS) proteoglycan, serves as a structural macromolecule of the extracellular matrix (ECM) and regulates cell behavior. We determined the function of versican in dermal development using VcanΔ3/Δ3 mutant mice expressing versican with deleted A-subdomain of the N-terminal G1 domain. The mutant versican showed a decreased hyaluronan (HA)-binding ability and failed to accumulate in the ECM. In the early developmental stage, VcanΔ3/Δ3 dermis showed a decrease in versican expression as compared with WT. As development proceeded, versican expression further decreased to a barely detectable level, and VcanΔ3/Δ3 mice died at the neonatal period (P0). At P0, VcanΔ3/Δ3 dermis exhibited an impaired ECM structure and decreased cell density. While the level of collagen deposition was similar in both genotypes, collagen biosynthesis significantly decreased in VcanΔ3/Δ3 fibroblasts as compared with that in wild type (WT). Transforming growth factor β (TGFβ) signaling mediated through the Smad2/3-dependent pathway was down-regulated in VcanΔ3/Δ3 fibroblasts and a reduced TGFβ storage in the ECM was observed. Microarray analysis revealed a decrease in the expression levels of transcription factors, early growth response (Egr) 2 and 4, which act downstream of TGFβ signaling. Thus, our results suggest that A-subdomain is necessary for adequate versican expression in dermis and that versican is involved in the formation of the ECM and regulation of TGFβ signaling.
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Affiliation(s)
- Sonoko Hatano
- a Institute for Molecular Science of Medicine, Aichi Medical University , Aichi , Japan
| | - Naoko Nagai
- a Institute for Molecular Science of Medicine, Aichi Medical University , Aichi , Japan
| | - Nobuo Sugiura
- a Institute for Molecular Science of Medicine, Aichi Medical University , Aichi , Japan
| | - Jun Tsuchimoto
- a Institute for Molecular Science of Medicine, Aichi Medical University , Aichi , Japan
| | - Zenzo Isogai
- b Department of Advanced Medicine , National Center for Geriatrics and Gerontology , Aichi , Japan
| | - Koji Kimata
- a Institute for Molecular Science of Medicine, Aichi Medical University , Aichi , Japan
| | - Akinobu Ota
- c Department of Biochemistry , Aichi Medical University School of Medicine , Aichi , Japan
| | - Sivasundaram Karnan
- c Department of Biochemistry , Aichi Medical University School of Medicine , Aichi , Japan
| | - Yoshitaka Hosokawa
- c Department of Biochemistry , Aichi Medical University School of Medicine , Aichi , Japan
| | - Hideto Watanabe
- a Institute for Molecular Science of Medicine, Aichi Medical University , Aichi , Japan
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27
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Na J, Bak DH, Im SI, Choi H, Hwang JH, Kong SY, No YA, Lee Y, Kim BJ. Anti‑apoptotic effects of glycosaminoglycans via inhibition of ERK/AP‑1 signaling in TNF‑α‑stimulated human dermal fibroblasts. Int J Mol Med 2018; 41:3090-3098. [PMID: 29436595 DOI: 10.3892/ijmm.2018.3483] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 02/07/2018] [Indexed: 11/05/2022] Open
Abstract
It has been established that glycosaminoglycans (GAGs) serve an important role in protecting the skin against the effects of aging. A previous clinical trial by our group identified that a cream containing GAGs reduced wrinkles and increased skin elasticity, dermal density and skin tightening. However, the exact molecular mechanism underlying the anti‑aging effect of GAGs has not yet been fully elucidated. The present study assessed the influence of GAGs on cell viability, collagen synthesis and collagen synthesis‑associated signaling pathways in tumor necrosis factor‑α (TNF‑α)‑stimulated human dermal fibroblasts (HDFs); an in vitro model of aging. The results demonstrated that GAGs restored type I collagen synthesis and secretion by inhibiting extracellular signal‑regulated kinase (ERK) signaling in TNF‑α‑stimulated HDFs. However, GAGs did not activate c‑jun N‑terminal kinase or p38. It was determined that GAGs suppressed the phosphorylation of downstream transcription factors of ERK activation, activator protein‑1 (AP‑1; c‑fos and c‑jun), leading to a decrease in matrix metalloproteinase‑1 (MMP‑1) levels and the upregulation of tissue inhibitor of metalloproteinase‑1 in TNF‑α‑stimulated HDFs. In addition, GAGs attenuated the apoptosis of HDFs induced by TNF‑α. The current study revealed a novel mechanism: GAGs serve a crucial role in ameliorating TNF‑α‑induced MMP‑1 expression, which causes type I collagen degeneration via the inactivation of ERK/AP‑1 signaling in HDFs. The results of the present study indicate the potential application of GAGs as effective anti‑aging agents that induce wrinkle reduction.
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Affiliation(s)
- Jungtae Na
- Department of Dermatology, College of Medicine, Chung‑Ang University, Seoul 06973, Republic of Korea
| | - Dong-Ho Bak
- Department of Dermatology, College of Medicine, Chung‑Ang University, Seoul 06973, Republic of Korea
| | - Song I Im
- Department of Dermatology, College of Medicine, Chung‑Ang University, Seoul 06973, Republic of Korea
| | - Hyangtae Choi
- Department of Dermatology, College of Medicine, Chung‑Ang University, Seoul 06973, Republic of Korea
| | - Jung Hyun Hwang
- Taeyoung Co., Ltd., Seongnam, Gyeonggi 13467, Republic of Korea
| | - Su Yeon Kong
- Taeyoung Co., Ltd., Seongnam, Gyeonggi 13467, Republic of Korea
| | - Yeon A No
- Department of Dermatology, College of Medicine, Chung‑Ang University, Seoul 06973, Republic of Korea
| | - Yonghee Lee
- Department of Dermatology, College of Medicine, Chung‑Ang University, Seoul 06973, Republic of Korea
| | - Beom Joon Kim
- Department of Dermatology, College of Medicine, Chung‑Ang University, Seoul 06973, Republic of Korea
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28
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Mavrogonatou E, Pratsinis H, Papadopoulou A, Karamanos NK, Kletsas D. Extracellular matrix alterations in senescent cells and their significance in tissue homeostasis. Matrix Biol 2017; 75-76:27-42. [PMID: 29066153 DOI: 10.1016/j.matbio.2017.10.004] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 10/13/2017] [Accepted: 10/14/2017] [Indexed: 12/16/2022]
Abstract
Normal cells after a defined number of successive divisions or after exposure to genotoxic stresses are becoming senescent, characterized by a permanent growth arrest. In addition, they secrete increased levels of pro-inflammatory and catabolic mediators, collectively termed "senescence-associated secretory phenotype". Furthermore, senescent cells exhibit an altered expression and organization of many extracellular matrix components, leading to specific remodeling of their microenvironment. In this review we present the current knowledge on extracellular matrix alterations associated with cellular senescence and critically discuss certain characteristic examples, highlighting the ambiguous role of senescent cells in the homeostasis of various tissues under both normal and pathologic conditions.
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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
| | - Harris Pratsinis
- 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
| | - Nikos K Karamanos
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Patras, 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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Prudnikova K, Yucha RW, Patel P, Kriete AS, Han L, Penn LS, Marcolongo MS. Biomimetic Proteoglycans Mimic Macromolecular Architecture and Water Uptake of Natural Proteoglycans. Biomacromolecules 2017; 18:1713-1723. [DOI: 10.1021/acs.biomac.7b00032] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Katsiaryna Prudnikova
- Department of Materials Science
and Engineering, ‡School of Biomedical Engineering, Science and Health Systems, and ∥Department of
Chemistry, Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvania 19104, United States
| | - Robert W. Yucha
- Department of Materials Science
and Engineering, ‡School of Biomedical Engineering, Science and Health Systems, and ∥Department of
Chemistry, Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvania 19104, United States
| | - Pavan Patel
- Department of Materials Science
and Engineering, ‡School of Biomedical Engineering, Science and Health Systems, and ∥Department of
Chemistry, Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvania 19104, United States
| | - Alicia S. Kriete
- Department of Materials Science
and Engineering, ‡School of Biomedical Engineering, Science and Health Systems, and ∥Department of
Chemistry, Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvania 19104, United States
| | - Lin Han
- Department of Materials Science
and Engineering, ‡School of Biomedical Engineering, Science and Health Systems, and ∥Department of
Chemistry, Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvania 19104, United States
| | - Lynn S. Penn
- Department of Materials Science
and Engineering, ‡School of Biomedical Engineering, Science and Health Systems, and ∥Department of
Chemistry, Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvania 19104, United States
| | - Michele S. Marcolongo
- Department of Materials Science
and Engineering, ‡School of Biomedical Engineering, Science and Health Systems, and ∥Department of
Chemistry, Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvania 19104, United States
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Chajra H, Auriol D, Joly F, Pagnon A, Rodrigues M, Allart S, Redziniak G, Lefevre F. Reactivating the extracellular matrix synthesis of sulfated glycosaminoglycans and proteoglycans to improve the human skin aspect and its mechanical properties. Clin Cosmet Investig Dermatol 2016; 9:461-472. [PMID: 27942228 PMCID: PMC5137933 DOI: 10.2147/ccid.s116548] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Background The aim of this study was to demonstrate that a defined cosmetic composition is able to induce an increase in the production of sulfated glycosaminoglycans (sGAGs) and/or proteoglycans and finally to demonstrate that the composition, through its combined action of enzyme production and synthesis of macromolecules, modulates organization and skin surface aspect with a benefit in antiaging applications. Materials and methods Gene expression was studied by quantitative reverse transcription polymerase chain reaction using normal human dermal fibroblasts isolated from a 45-year-old donor skin dermis. De novo synthesis of sGAGs and proteoglycans was determined using Blyscan™ assay and/or immunohistochemical techniques. These studies were performed on normal human dermal fibroblasts (41- and 62-year-old donors) and on human skin explants. Dermis organization was studied either ex vivo on skin explants using bi-photon microscopy and transmission electron microscopy or directly in vivo on human volunteers by ultrasound technique. Skin surface modification was investigated in vivo using silicone replicas coupled with macrophotography, and the mechanical properties of the skin were studied using Cutometer. Results It was first shown that mRNA expression of several genes involved in the synthesis pathway of sGAG was stimulated. An increase in the de novo synthesis of sGAGs was shown at the cellular level despite the age of cells, and this phenomenon was clearly related to the previously observed stimulation of mRNA expression of genes. An increase in the expression of the corresponding core protein of decorin, perlecan, and versican and a stimulation of their respective sGAGs, such as chondroitin sulfate and heparan sulfate, were found on skin explants. The biosynthesis of macromolecules seems to be correlated at the microscopic level to a better organization and quality of the dermis, with collagen fibrils having homogenous diameters. The dermis seems to be compacted as observed on images obtained by two-photon microscopy and ultrasound imaging. At the macroscopic level, this dermis organization shows a smoothed profile similar to a younger skin, with improved mechanical properties such as firmess. Conclusion The obtained results demonstrate that the defined cosmetic composition induces the synthesis of sGAGs and proteoglycans, which contributes to the overall dermal reorganization. This activity in the dermis in turn impacts the surface and mechanical properties of the skin.
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Affiliation(s)
- Hanane Chajra
- Libragen, Induchem (Givaudan Active Beauty), Toulouse
| | - Daniel Auriol
- Libragen, Induchem (Givaudan Active Beauty), Toulouse
| | | | | | | | - Sophie Allart
- Centre de Physiopathologie de Toulouse-Purpan, Toulouse
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Maniatopoulou E, Bonovas S, Sitaras N. Isolation and Quantification of Glycosaminoglycans from Human Hair Shaft. Ann Dermatol 2016; 28:533-539. [PMID: 27746630 PMCID: PMC5064180 DOI: 10.5021/ad.2016.28.5.533] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2014] [Revised: 07/02/2014] [Accepted: 07/07/2014] [Indexed: 11/08/2022] Open
Abstract
Background There is evidence that glycosaminoglycans (GAGs) are present in the hair shaft within the follicle but there are no studies regarding GAGs isolation and measurement in the human hair shaft over the scalp surface, it means, in the free hair shaft. Objective The purpose of our research was to isolate and measure the total GAGs from human free hair shaft. Methods Seventy-five healthy individuals participated in the study, 58 adults, men and women over the age of 50 and 17 children (aged 4~9). GAGs in hair samples, received from the parietal and the occipital areas, were isolated with 4 M guanidine HCl and measured by the uronic acid-carbazole reaction assay. Results GAGs concentration was significantly higher in the occipital area than in the parietal area, in all study groups. GAG levels from both areas were significantly higher in children than in adults. GAG levels were not associated with gender, hair color or type. Conclusion We report the presence of GAGs in the human free hair shaft and the correlation of hair GAG levels with the scalp area and participants' age.
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Affiliation(s)
- Eleni Maniatopoulou
- Department of Pharmacology, University of Athens School of Medicine, Athens, Greece
| | - Stefanos Bonovas
- Department of Pharmacology, University of Athens School of Medicine, Athens, Greece
| | - Nikolaos Sitaras
- Department of Pharmacology, University of Athens School of Medicine, Athens, Greece
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Kearney EM, Messaraa C, Grennan G, Koeller G, Mavon A, Merinville E. Evaluation of skin firmness by the DynaSKIN, a novel non-contact compression device, and its use in revealing the efficacy of a skincare regimen featuring a novel anti-ageing ingredient, acetyl aspartic acid. Skin Res Technol 2016; 23:155-168. [DOI: 10.1111/srt.12314] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/21/2016] [Indexed: 12/26/2022]
Affiliation(s)
- E. M. Kearney
- Oriflame Research and Development Ltd; Bray Co. Wicklow Ireland
| | - C. Messaraa
- Oriflame Research and Development Ltd; Bray Co. Wicklow Ireland
| | - G. Grennan
- Oriflame Research and Development Ltd; Bray Co. Wicklow Ireland
| | | | - A. Mavon
- Oriflame Research and Development Ltd; Bray Co. Wicklow Ireland
| | - E. Merinville
- Oriflame Research and Development Ltd; Bray Co. Wicklow Ireland
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Abstract
Glycosaminoglycans (GAGs) and proteoglycans (PGs) are abundant structural components of the extracellular matrix in addition to collagen fibers. Hyaluronic acid (HA), one of GAGs, forms proteoglycan aggregates, which are large complexes of HA and HA-binding PGs. Their crosslinking to other matrix proteins such as the collagen network results in the formation of supermolecular structures and functions to increase tissue stiffness. Skin aging can be classified as intrinsic aging and photoaging based on the phenotypes and putative mechanism. While intrinsic aging is characterized by a thinned epidermis and fine wrinkles caused by advancing age, photoaging is characterized by deep wrinkles, skin laxity, telangiectasias, and appearance of lentigines and is mainly caused by chronic sun exposure. The major molecular mechanism governing skin aging processes has been attributed to the loss of mature collagen and increased matrix metalloproteinase expression. However, various strategies focusing on collagen turnover remain unsatisfactory for the reversal or prevention of skin aging. Although the expression of GAGs and PGs in the skin and their regulatory mechanisms are not fully understood, we and others have elucidated various changes in GAGs and PGs in aged skin, suggesting that these molecules are important contributors to skin aging. In this review, we focus on skin-abundant GAGs and PGs and their changes in human skin during the skin aging process.
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Eklouh-Molinier C, Happillon T, Bouland N, Fichel C, Diébold MD, Angiboust JF, Manfait M, Brassart-Pasco S, Piot O. Investigating the relationship between changes in collagen fiber orientation during skin aging and collagen/water interactions by polarized-FTIR microimaging. Analyst 2016; 140:6260-8. [PMID: 26120602 DOI: 10.1039/c5an00278h] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Upon chronological aging, human skin undergoes structural and molecular modifications, especially at the level of type I collagen. This macromolecule is one of the main dermal structural proteins and presents several age-related alterations. It exhibits a triple helical structure and assembles itself to form fibrils and fibers. In addition, water plays an important role in stabilizing the collagen triple helix by forming hydrogen-bonds between collagen residues. However, the influence of water on changes of dermal collagen fiber orientation with age has not been yet understood. Polarized-Fourier Transform Infrared (P-FTIR) imaging is an interesting biophotonic approach to determine in situ the orientation of type I collagen fibers, as we have recently shown by comparing skin samples of different ages. In this work, P-FTIR spectral imaging was performed on skin samples from two age groups (35- and 38-year-old on the one hand, 60- and 66-year-old on the other hand), and our analyses were focused on the effect of H2O/D2O substitution. Spectral data were processed with fuzzy C-means (FCM) clustering in order to distinguish different orientations of collagen fibers. We demonstrated that the orientation was altered with aging, and that D2O treatment, affecting primarily highly bound water molecules, is more marked for the youngest skin samples. Collagen-bound water-related spectral markers were also highlighted. Our results suggest a weakening of water/collagen interactions with age. This non-destructive and label-free methodology allows us to understand better the importance of bound water in collagen fiber orientation alterations occurring with skin aging. Obtaining such structural information could find benefits in dermatology as well as in cosmetics.
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Affiliation(s)
- Christophe Eklouh-Molinier
- Equipe MéDIAN-Biophotonique et Technologies pour la Santé, UFR de Pharmacie, Université de Reims Champagne-Ardenne, Reims, France.
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35
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Tracy LE, Minasian RA, Caterson E. Extracellular Matrix and Dermal Fibroblast Function in the Healing Wound. Adv Wound Care (New Rochelle) 2016; 5:119-136. [PMID: 26989578 DOI: 10.1089/wound.2014.0561] [Citation(s) in RCA: 546] [Impact Index Per Article: 68.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Significance: Fibroblasts play a critical role in normal wound healing. Various extracellular matrix (ECM) components, including collagens, fibrin, fibronectin, proteoglycans, glycosaminoglycans, and matricellular proteins, can be considered potent protagonists of fibroblast survival, migration, and metabolism. Recent Advances: Advances in tissue culture, tissue engineering, and ex vivo models have made the examination and precise measurements of ECM components in wound healing possible. Likewise, the development of specific transgenic animal models has created the opportunity to characterize the role of various ECM molecules in healing wounds. In addition, the recent characterization of new ECM molecules, including matricellular proteins, dermatopontin, and FACIT collagens (Fibril-Associated Collagens with Interrupted Triple helices), further demonstrates our cursory knowledge of the ECM in coordinated wound healing. Critical Issues: The manipulation and augmentation of ECM components in the healing wound is emerging in patient care, as demonstrated by the use of acellular dermal matrices, tissue scaffolds, and wound dressings or topical products bearing ECM proteins such as collagen, hyaluronan (HA), or elastin. Once thought of as neutral structural proteins, these molecules are now known to directly influence many aspects of cellular wound healing. Future Directions: The role that ECM molecules, such as CCN2, osteopontin, and secreted protein, acidic and rich in cysteine, play in signaling homing of fibroblast progenitor cells to sites of injury invites future research as we continue investigating the heterotopic origin of certain populations of fibroblasts in a healing wound. Likewise, research into differently sized fragments of the same polymeric ECM molecule is warranted as we learn that fragments of molecules such as HA and tenascin-C can have opposing effects on dermal fibroblasts.
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Affiliation(s)
- Lauren E. Tracy
- Division of Plastic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Raquel A. Minasian
- Division of Plastic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - E.J. Caterson
- Division of Plastic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
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36
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Intense pulsed light induces synthesis of dermal extracellular proteins in vitro. Lasers Med Sci 2015; 30:1931-9. [DOI: 10.1007/s10103-015-1787-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2015] [Accepted: 07/08/2015] [Indexed: 01/04/2023]
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37
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Dupuis LE, Berger MG, Feldman S, Doucette L, Fowlkes V, Chakravarti S, Thibaudeau S, Alcala NE, Bradshaw AD, Kern CB. Lumican deficiency results in cardiomyocyte hypertrophy with altered collagen assembly. J Mol Cell Cardiol 2015; 84:70-80. [PMID: 25886697 DOI: 10.1016/j.yjmcc.2015.04.007] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Revised: 03/24/2015] [Accepted: 04/06/2015] [Indexed: 01/19/2023]
Abstract
The ability of the heart to adapt to increased stress is dependent on the modification of its extracellular matrix (ECM) architecture that is established during postnatal development as cardiomyocytes differentiate, a process that is poorly understood. We hypothesized that the small leucine-rich proteoglycan (SLRP) lumican (LUM), which binds collagen and facilitates collagen assembly in other tissues, may play a critical role in establishing the postnatal murine myocardial ECM. Although previous studies suggest that LUM deficient mice (lum(-/-)) exhibit skin anomalies consistent with Ehlers-Danlos syndrome, lum(-/-) hearts have not been evaluated. These studies show that LUM was immunolocalized to non-cardiomyocytes of the cardiac ventricles and its expression increased throughout development. Lumican deficiency resulted in significant (50%) perinatal death and further examination of the lum(-/-) neonatal hearts revealed an increase in myocardial tissue without a significant increase in cell proliferation. However cardiomyocytes from surviving postnatal day 0 (P0), 1 month (1 mo) and adult (4 mo) lum(-/-) hearts were significantly larger than their wild type (WT) littermates. Immunohistochemistry revealed that the increased cardiomyocyte size in the lum(-/-) hearts correlated with alteration of the cardiomyocyte pericellular ECM components collagenα1(I) and the class I SLRP decorin (DCN). Western blot analysis demonstrated that the ratio of glycosaminoglycan (GAG) decorated DCN to core DCN was reduced in P0 and 1 mo lum(-/-) hearts. There was also a reduction in the β and γ forms of collagenα1(I) in lum(-/-) hearts. While the total insoluble collagen content was significantly reduced, the fibril size was increased in lum(-/-) hearts, indicating that LUM may play a role in collagen fiber stability and lateral fibril assembly. These results suggest that LUM controls cardiomyocyte growth by regulating the pericellular ECM and also indicates that LUM may coordinate multiple factors of collagen assembly in the murine heart. Further investigation into the role of LUM may yield novel therapeutic targets and/or biomarkers for patients with cardiovascular disease.
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Affiliation(s)
- Loren E Dupuis
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC 29425, United States
| | - Matthew G Berger
- Honors College, College of Charleston, Charleston, SC 29401, United States
| | - Samuel Feldman
- Honors College, College of Charleston, Charleston, SC 29401, United States
| | - Lorna Doucette
- Honors College, College of Charleston, Charleston, SC 29401, United States
| | - Vennece Fowlkes
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC 29425, United States
| | - Shukti Chakravarti
- Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD 21205, United States
| | - Sarah Thibaudeau
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC 29425, United States
| | - Nicolas E Alcala
- Honors College, College of Charleston, Charleston, SC 29401, United States
| | - Amy D Bradshaw
- Gazes Cardiac Research Institute, Medical University of South Carolina, Charleston, SC 29425, United States
| | - Christine B Kern
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC 29425, United States.
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Evaluation of dermal extracellular matrix and epidermal-dermal junction modifications using matrix-assisted laser desorption/ionization mass spectrometric imaging, in vivo reflectance confocal microscopy, echography, and histology: effect of age and pepti. J Cosmet Dermatol 2015; 14:152-60. [DOI: 10.1111/jocd.12135] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/27/2015] [Indexed: 11/26/2022]
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39
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Xue M, Jackson CJ. Extracellular Matrix Reorganization During Wound Healing and Its Impact on Abnormal Scarring. Adv Wound Care (New Rochelle) 2015; 4:119-136. [PMID: 25785236 DOI: 10.1089/wound.2013.0485] [Citation(s) in RCA: 795] [Impact Index Per Article: 88.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2013] [Indexed: 12/18/2022] Open
Abstract
Significance: When a cutaneous injury occurs, the wound heals via a dynamic series of physiological events, including coagulation, granulation tissue formation, re-epithelialization, and extracellular matrix (ECM) remodeling. The final stage can take many months, yet the new ECM forms a scar that never achieves the flexibility or strength of the original tissue. In certain circumstances, the normal scar is replaced by pathological fibrotic tissue, which results in hypertrophic or keloid scars. These scars cause significant morbidity through physical dysfunction and psychological stress. Recent Advances and Critical Issues: The cutaneous ECM comprises a complex assortment of proteins that was traditionally thought to simply provide structural integrity and scaffolding characteristics. However, recent findings show that the ECM has multiple functions, including, storage and delivery of growth factors and cytokines, tissue repair and various physiological functions. Abnormal ECM reconstruction during wound healing contributes to the formation of hypertrophic and keloid scars. Whereas adult wounds heal with scarring, the developing foetus has the ability to heal wounds in a scarless fashion by regenerating skin and restoring the normal ECM architecture, strength, and function. Recent studies show that the lack of inflammation in fetal wounds contributes to this perfect healing. Future Directions: Better understanding of the exact roles of ECM components in scarring will allow us to produce therapeutic agents to prevent hypertrophic and keloid scars. This review will focus on the components of the ECM and their role in both physiological and pathological (hypertrophic and keloid) cutaneous scar formation.
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Affiliation(s)
- Meilang Xue
- Sutton Research Laboratories, Institute of Bone and Joint Research, Kolling Institute of Medical Research, The University of Sydney at Royal North Shore Hospital, St. Leonards, Australia
| | - Christopher J. Jackson
- Sutton Research Laboratories, Institute of Bone and Joint Research, Kolling Institute of Medical Research, The University of Sydney at Royal North Shore Hospital, St. Leonards, Australia
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40
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Cuerda-Galindo E, Díaz-Gil G, Palomar-Gallego MA, Linares-GarcíaValdecasas R. Increased fibroblast proliferation and activity after applying intense pulsed light 800-1200 nm. Ann Anat 2014; 198:66-72. [PMID: 25547460 DOI: 10.1016/j.aanat.2014.11.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2014] [Revised: 11/30/2014] [Accepted: 11/30/2014] [Indexed: 01/27/2023]
Abstract
BACKGROUND AND OBJECTIVES Light devices emitting near infrared have been shown to be highly effective for the skin rejuvenation but biochemical and molecular mechanism or optimum dose treatment are not well-known. In our study we try to elucidate why systems emitting near infrared produce skin improvement such as fibroblasts proliferation, increase in gene expression or extracellular matrix (ECM) protein production. STUDY DESIGN/MATERIALS AND METHODS 1BR3G human skin fibroblasts were used to test the effects of an intense pulsed light device emitting with an 800-1200 nm filter (MiniSilk FT manufactured by Deka(®)). In our protocol, fibroblasts were irradiated twice successively with a 10 Hz frequency, with a total fluence up to 60 J/cm(2) for 15s each pass. After incubating for 48 h, fibroblasts were harvested from the culture plates to test cell proliferation by flow cytometer. To determine changes in gene expression (mRNA levels for collagen types I and III and metalloproteinase 1 (MMP-1)) and protein production (hyaluronic acid, versican and decorin) tests were performed after irradiation. RESULTS After 48 h irradiation, 1BR3G human skin fibroblasts were observed to proliferate at a fast rate. The study of ECM macromolecules production using ELISA showed an increase of hyaluronic acid and versican production but no changes were observed for decorin. With RT-PCR assays, an increase in mRNA for collagen type I, type III and MMP-1 were observed. CONCLUSION Intense pulsed light emitting near infrared applied in vitro cultured cells increases fibroblasts proliferation and activity, which can be a possible mechanism of action for these devices in aging skin treatment.
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Affiliation(s)
- E Cuerda-Galindo
- Section of Human Anatomy and Embriology, Universidad Rey Juan Carlos, Madrid, Spain.
| | - G Díaz-Gil
- Section of Human Anatomy and Embriology, Universidad Rey Juan Carlos, Madrid, Spain
| | - M A Palomar-Gallego
- Section of Human Anatomy and Embriology, Universidad Rey Juan Carlos, Madrid, Spain
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Li Y, Liu Y, Xia W, Lei D, Voorhees JJ, Fisher GJ. Age-dependent alterations of decorin glycosaminoglycans in human skin. Sci Rep 2014; 3:2422. [PMID: 23939413 PMCID: PMC3741628 DOI: 10.1038/srep02422] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2013] [Accepted: 07/25/2013] [Indexed: 02/07/2023] Open
Abstract
Proteoglycans, a family of glycosaminoglycan (GAG) conjugated proteins, are important constituents of human skin connective tissue (dermis) and are essential for maintaining mechanical strength of the skin. Age-related alterations of dermal proteoglycans have not been fully elucidated. We quantified transcripts of 20 known interstitial proteoglycans in human skin and found that decorin was the most highly expressed. Decorin was predominantly produced by dermal fibroblasts. Decorin was localized in dermal extracellular matrix with GAG bound to type I collagen fibrils. Analysis of decorin extracted from young (21–30 years) and aged (>80 years) sun-protected human buttock skin revealed that decorin molecular size in aged skin is significantly smaller than in young skin. The average size of decorin protein did not alter, indicating size of GAG chain is reduced in aged, compared to young skin. This age-dependent alteration of decorin GAG may contribute to skin fragility of elderly people.
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Affiliation(s)
- Yong Li
- Department of Dermatology, University of Michigan, Ann Arbor, MI, USA
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42
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Schreml J, Durmaz B, Cogulu O, Keupp K, Beleggia F, Pohl E, Milz E, Coker M, Ucar SK, Nürnberg G, Nürnberg P, Kuhn J, Ozkinay F. The missing "link": an autosomal recessive short stature syndrome caused by a hypofunctional XYLT1 mutation. Hum Genet 2014; 133:29-39. [PMID: 23982343 DOI: 10.1007/s00439-013-1351-y] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2013] [Accepted: 08/10/2013] [Indexed: 12/31/2022]
Abstract
Proteoglycan (PG) synthesis begins with the sequential addition of a "linker chain", made up of four sugar residues, to a specific region of a core protein. Defects in the enzymes catalyzing steps two to four of the linker chain synthesis have been shown to cause autosomal recessive human phenotypes while no mutation has yet been reported in humans for the xylosyltransferases 1 and 2 (XT1 and XT2), the initiating enzymes in the linker chain formation. Here, we present a consanguineous Turkish family with two affected individuals presenting with short stature, distinct facial features, alterations of fat distribution, and moderate intellectual disability. X-rays showed only mild skeletal changes in the form of a short femoral neck, stocky and plump long bones and thickened ribs. Using a combination of whole-exome sequencing (WES), determination of homozygous stretches by WES variants, and classical linkage analysis, we identified the homozygous missense mutation c.C1441T in XYLT1, encoding XT1, within a large homozygous stretch on chromosome 16p13.12-p12.1. The mutation co-segregated with the phenotype in the family, is not found in over 13,000 alleles in the exome variant server and is predicted to change a highly conserved arginine at position 481 (p.R481W) located in the putative catalytical domain. Immunostaining of primary patient fibroblasts showed a loss of predominance of Golgi localization in mutant cells. Moreover, western blot analysis of decorin in cell culture supernatant demonstrated glycosylation differences between patient and control cells. Our data provide evidence that functional alterations of XT1 cause an autosomal recessive short stature syndrome associated with intellectual disability.
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Affiliation(s)
- Julia Schreml
- Institute of Human Genetics, University of Cologne, Cologne, Germany,
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Dunkman AA, Buckley MR, Mienaltowski MJ, Adams SM, Thomas SJ, Kumar A, Beason DP, Iozzo RV, Birk DE, Soslowsky LJ. The injury response of aged tendons in the absence of biglycan and decorin. Matrix Biol 2013; 35:232-8. [PMID: 24157578 DOI: 10.1016/j.matbio.2013.10.008] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2013] [Revised: 10/14/2013] [Accepted: 10/14/2013] [Indexed: 12/13/2022]
Abstract
Recent studies have demonstrated that the small leucine-rich proteoglycans (SLRPs) biglycan and decorin impact tendon development, aging and healing in mature mice. However, despite the increased risk of tendon injury in the elderly, the role of SLRPs in tendon repair has not been investigated in aged animals. Therefore, our objective was to elucidate the influences of bigylcan and decorin on tendon healing in aged mice to relate our findings to previous work in mature mice. Since the processes of aging and healing are known to interact, our hypothesis was that aging mediates the role of biglycan and decorin on tendon healing. Patellar tendons from wild-type, biglycan-null and decorin-null mice were injured at 270 days using an established model. At 3 and 6 weeks post-surgery, structural, mechanical and biochemical analyses were performed and compared to uninjured controls. Early stage healing was inferior in biglycan-null and decorin-null mice as compared to wild type. However, tendons of all genotypes failed to exhibit improved mechanical properties between 3 and 6 weeks post-injury. In contrast, in a previous investigation of tendon healing in mature (i.e., 120 day-old) mice, only biglycan-null mice were deficient in early stage healing while decorin-null mice were deficient in late-stage healing. These results confirm that the impact of SLRPs on tendon healing is mediated by age and could inform future age-specific therapies for enhancing tendon healing.
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Affiliation(s)
- Andrew A Dunkman
- The McKay Orthopaedic Research Laboratory, University of Pennsylvania, 424 Stemmler Hall, 3450 Hamilton Walk, Philadelphia, PA 19104, USA
| | - Mark R Buckley
- The McKay Orthopaedic Research Laboratory, University of Pennsylvania, 424 Stemmler Hall, 3450 Hamilton Walk, Philadelphia, PA 19104, USA
| | - Michael J Mienaltowski
- Department of Molecular Pharmacology & Physiology, University of South Florida Morsani College of Medicine, 12901 Bruce B. Downs Blvd, MDC 8, Tampa, FL 33612, USA
| | - Sheila M Adams
- Department of Molecular Pharmacology & Physiology, University of South Florida Morsani College of Medicine, 12901 Bruce B. Downs Blvd, MDC 8, Tampa, FL 33612, USA
| | - Stephen J Thomas
- The McKay Orthopaedic Research Laboratory, University of Pennsylvania, 424 Stemmler Hall, 3450 Hamilton Walk, Philadelphia, PA 19104, USA
| | - Akash Kumar
- The McKay Orthopaedic Research Laboratory, University of Pennsylvania, 424 Stemmler Hall, 3450 Hamilton Walk, Philadelphia, PA 19104, USA
| | - David P Beason
- The McKay Orthopaedic Research Laboratory, University of Pennsylvania, 424 Stemmler Hall, 3450 Hamilton Walk, Philadelphia, PA 19104, USA
| | - Renato V Iozzo
- Department of Pathology, Anatomy & Cell Biology, Thomas Jefferson University, 1020 Locust Street, Jefferson Alumni Hall, Suite 249, Philadelphia, PA 19107, USA
| | - David E Birk
- Department of Molecular Pharmacology & Physiology, University of South Florida Morsani College of Medicine, 12901 Bruce B. Downs Blvd, MDC 8, Tampa, FL 33612, USA
| | - Louis J Soslowsky
- The McKay Orthopaedic Research Laboratory, University of Pennsylvania, 424 Stemmler Hall, 3450 Hamilton Walk, Philadelphia, PA 19104, USA.
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Li Y, Xia W, Liu Y, Remmer HA, Voorhees J, Fisher GJ. Solar ultraviolet irradiation induces decorin degradation in human skin likely via neutrophil elastase. PLoS One 2013; 8:e72563. [PMID: 24023624 PMCID: PMC3758340 DOI: 10.1371/journal.pone.0072563] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2013] [Accepted: 07/12/2013] [Indexed: 01/21/2023] Open
Abstract
Exposure of human skin to solar ultraviolet (UV) irradiation induces matrix metalloproteinase-1 (MMP-1) activity, which degrades type I collagen fibrils. Type I collagen is the most abundant protein in skin and constitutes the majority of skin connective tissue (dermis). Degradation of collagen fibrils impairs the structure and function of skin that characterize skin aging. Decorin is the predominant proteoglycan in human dermis. In model systems, decorin binds to and protects type I collagen fibrils from proteolytic degradation by enzymes such as MMP-1. Little is known regarding alterations of decorin in response to UV irradiation. We found that solar-simulated UV irradiation of human skin in vivo stimulated substantial decorin degradation, with kinetics similar to infiltration of polymorphonuclear (PMN) cells. Proteases that were released from isolated PMN cells degraded decorin in vitro. A highly selective inhibitor of neutrophil elastase blocked decorin breakdown by proteases released from PMN cells. Furthermore, purified neutrophil elastase cleaved decorin in vitro and generated fragments with similar molecular weights as those resulting from protease activity released from PMN cells, and as observed in UV-irradiated human skin. Cleavage of decorin by neutrophil elastase significantly augmented fragmentation of type I collagen fibrils by MMP-1. Taken together, these data indicate that PMN cell proteases, especially neutrophil elastase, degrade decorin, and this degradation renders collagen fibrils more susceptible to MMP-1 cleavage. These data identify decorin degradation and neutrophil elastase as potential therapeutic targets for mitigating sun exposure-induced collagen fibril degradation in human skin.
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Affiliation(s)
- Yong Li
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, United States of America
| | - Wei Xia
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, United States of America
| | - Ying Liu
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, United States of America
| | - Henriette A. Remmer
- Department of Biological Chemistry, University of Michigan, Ann Arbor, Michigan, United States of America,
| | - John Voorhees
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, United States of America
| | - Gary J. Fisher
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, United States of America
- * E-mail:
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45
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Thorpe CT, Birch HL, Clegg PD, Screen HRC. The role of the non-collagenous matrix in tendon function. Int J Exp Pathol 2013; 94:248-59. [PMID: 23718692 DOI: 10.1111/iep.12027] [Citation(s) in RCA: 130] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2013] [Accepted: 04/16/2013] [Indexed: 01/26/2023] Open
Abstract
Tendon consists of highly ordered type I collagen molecules that are grouped together to form subunits of increasing diameter. At each hierarchical level, the type I collagen is interspersed with a predominantly non-collagenous matrix (NCM) (Connect. Tissue Res., 6, 1978, 11). Whilst many studies have investigated the structure, organization and function of the collagenous matrix within tendon, relatively few have studied the non-collagenous components. However, there is a growing body of research suggesting the NCM plays an important role within tendon; adaptations to this matrix may confer the specific properties required by tendons with different functions. Furthermore, age-related alterations to non-collagenous proteins have been identified, which may affect tendon resistance to injury. This review focuses on the NCM within the tensional region of developing and mature tendon, discussing the current knowledge and identifying areas that require further study to fully understand structure-function relationships within tendon. This information will aid in the development of appropriate techniques for tendon injury prevention and treatment.
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Affiliation(s)
- Chavaunne T Thorpe
- Institute of Bioengineering, School of Engineering and Materials Science, Queen Mary University of London, London E1 4NS, UK.
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46
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Proteoglycans of uterine fibroids and keloid scars: similarity in their proteoglycan composition. Biochem J 2012; 443:361-8. [PMID: 22257180 DOI: 10.1042/bj20111996] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Fibrosis is the formation of excess and abnormal fibrous connective tissue as a result of either a reparative or reactive process. A defining feature of connective tissue is its extracellular matrix, which provides structural support and also influences cellular activity. Two common human conditions that result from fibrosis are uterine fibroids (leiomyomas) and keloid scars. Because these conditions share a number of similarities and because their growth is due primarily to excessive extracellular matrix deposition, we compared the proteoglycans of uterine fibroids and keloid scars with corresponding normal tissues. Our analysis indicates that uterine fibroids and keloid scars contain higher amounts of glycosaminoglycans relative to normal myometrium and normal adult skin respectively. Proteoglycan composition is also different in the fibrotic tissues. Compared with unaffected tissues, uterine fibroids and keloid scars contain higher relative amounts of versican and lower relative amounts of decorin. There is also evidence for a higher level of versican catabolism in the fibrotic tissues compared with unaffected tissues. These qualitative and quantitative proteoglycan differences may play a role in the expansion of these fibroses and in their excessive matrix deposition and matrix disorganization, due to effects on cell proliferation, TGF (transforming growth factor)-β signalling and/or collagen fibril formation.
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47
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Annovi G, Boraldi F, Moscarelli P, Guerra D, Tiozzo R, Parma B, Sommer P, Quaglino D. Heparan Sulfate Affects Elastin Deposition in Fibroblasts Cultured from Donors of Different Ages. Rejuvenation Res 2012; 15:22-31. [DOI: 10.1089/rej.2011.1182] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Affiliation(s)
- Giulia Annovi
- Department of Biomedical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Federica Boraldi
- Department of Biomedical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | | | - Deanna Guerra
- Department of Biomedical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Roberta Tiozzo
- Department of Biomedical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | | | - Pascal Sommer
- Institut de Biologie et Chimie des Protéines, CNRS– Université Lyon 1, Lyon, France
| | - Daniela Quaglino
- Department of Biomedical Sciences, University of Modena and Reggio Emilia, Modena, Italy
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48
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Kurdykowski S, Mine S, Bardey V, Danoux L, Jeanmaire C, Pauly G, Brabencova E, Wegrowski Y, Maquart FX. Ultraviolet-B irradiation induces epidermal up-regulation of heparanase expression and activity. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2011; 106:107-12. [PMID: 22119659 DOI: 10.1016/j.jphotobiol.2011.10.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2011] [Revised: 09/30/2011] [Accepted: 10/27/2011] [Indexed: 11/26/2022]
Abstract
Heparan sulfate (HS) glycosaminoglycans are abundant components of basement membranes and cell surfaces where they are present associated with specific core-proteins to form proteoglycans, mainly perlecan, glypicans and syndecans. They play many roles such as modulation of cell proliferation and differentiation, cell-matrix adhesion and assembly. It was previously shown that HS content decreases during skin aging. This decrease could be explained either by a decrease of HS synthesis or by an increased activity of its degrading enzyme, heparanase (Hpse-1). Since UV-B irradiation is one of the most important factor for skin photo-damage, we decided to study the effects of UV-B irradiation on heparanase expression and activity in human epidermal keratinocytes. Normal human keratinocytes and reconstructed epidermis were submitted to increasing doses of UV-B. HPSE1 mRNA levels were measured using real time PCR and heparanase enzymatic activity was quantified in human keratinocyte cultures using a microtiter-based assay. Expression and distribution of Hpse-1 were also studied in reconstructed epidermis by immunofluorescence. Both HPSE1 mRNA level and heparanase enzymatic activity were increased after UV-B irradiation of keratinocyte cultures in a time and dose-dependent manner. Protein expression of Hpse-1 was also up-regulated with increasing doses of UV-B in reconstructed epidermis. Increase of Hpse-1 expression and activity in the epidermis after UV-B irradiation could contribute to skin photo-aging.
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Affiliation(s)
- Sandrine Kurdykowski
- Université de Reims Champagne-Ardenne, Laboratoire de Biochimie Médicale et Biologie Moléculaire, CNRS UMR 6237, 51 rue Cognacq Jay, 51095 Reims cedex, France
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49
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Hattori N, Carrino DA, Lauer ME, Vasanji A, Wylie JD, Nelson CM, Apte SS. Pericellular versican regulates the fibroblast-myofibroblast transition: a role for ADAMTS5 protease-mediated proteolysis. J Biol Chem 2011; 286:34298-310. [PMID: 21828051 PMCID: PMC3190794 DOI: 10.1074/jbc.m111.254938] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2011] [Revised: 07/22/2011] [Indexed: 11/06/2022] Open
Abstract
The cell and its glycosaminoglycan-rich pericellular matrix (PCM) comprise a functional unit. Because modification of PCM influences cell behavior, we investigated molecular mechanisms that regulate PCM volume and composition. In fibroblasts and other cells, aggregates of hyaluronan and versican are found in the PCM. Dermal fibroblasts from Adamts5(-/-) mice, which lack a versican-degrading protease, ADAMTS5, had reduced versican proteolysis, increased PCM, altered cell shape, enhanced α-smooth muscle actin (SMA) expression and increased contractility within three-dimensional collagen gels. The myofibroblast-like phenotype was associated with activation of TGFβ signaling. We tested the hypothesis that fibroblast-myofibroblast transition in Adamts5(-/-) cells resulted from versican accumulation in PCM. First, we noted that versican overexpression in human dermal fibroblasts led to increased SMA expression, enhanced contractility, and increased Smad2 phosphorylation. In contrast, dermal fibroblasts from Vcan haploinsufficient (Vcan(hdf/+)) mice had reduced contractility relative to wild type fibroblasts. Using a genetic approach to directly test if myofibroblast transition in Adamts5(-/-) cells resulted from increased PCM versican content, we generated Adamts5(-/-);Vcan(hdf/+) mice and isolated their dermal fibroblasts for comparison with dermal fibroblasts from Adamts5(-/-) mice. In Adamts5(-/-) fibroblasts, Vcan haploinsufficiency or exogenous ADAMTS5 restored normal fibroblast contractility. These findings demonstrate that altering PCM versican content through proteolytic activity of ADAMTS5 profoundly influenced the dermal fibroblast phenotype and may regulate a phenotypic continuum between the fibroblast and its alter ego, the myofibroblast. We propose that a physiological function of ADAMTS5 in dermal fibroblasts is to maintain optimal versican content and PCM volume by continually trimming versican in hyaluronan-versican aggregates.
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Affiliation(s)
- Noriko Hattori
- From the Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic and
| | - David A. Carrino
- the Skeletal Research Center, Department of Biology, Case Western Reserve University, Cleveland, Ohio 44195
| | - Mark E. Lauer
- From the Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic and
| | - Amit Vasanji
- From the Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic and
| | - James D. Wylie
- From the Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic and
| | - Courtney M. Nelson
- From the Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic and
| | - Suneel S. Apte
- From the Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic and
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50
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Marucha J, Tylki-Szymańska A, Jakóbkiewicz-Banecka J, Piotrowska E, Kloska A, Czartoryska B, Węgrzyn G. Improvement in the range of joint motion in seven patients with mucopolysaccharidosis type II during experimental gene expression-targeted isoflavone therapy (GET IT). Am J Med Genet A 2011; 155A:2257-62. [PMID: 21834048 DOI: 10.1002/ajmg.a.34146] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2010] [Accepted: 04/23/2011] [Indexed: 11/11/2022]
Abstract
Mucopolysaccharidosis type II (MPS II, Hunter disease) is an X chromosome-linked inherited metabolic disease caused by mutations resulting in deficiency of activity of iduronate-2-sulfatase (IDS) and accumulation of undegraded glycosaminoglycans (GAGs), heparan sulfate, and dermatan sulfate. Previous experiments with cell cultures and studies on animal model of MPS II suggested that gene expression-targeted isoflavone therapy (GET IT), based on genistein-mediated reduction of efficiency of GAG synthesis, might be a suitable therapy for this disease. In this report, we demonstrate efficacy of GET IT in connective tissue elasticity, particularly in improving the range of joint motion in seven patients with MPS II after 26 weeks of treatment with an isoflavone extract at the dose corresponding to 5 mg/kg/day of genistein.
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Affiliation(s)
- Jolanta Marucha
- Department of Metabolic Diseases, The Children's Memorial Health Institute, Warsaw, Poland
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