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Mambwe B, Mellody KT, Kiss O, O'Connor C, Bell M, Watson REB, Langton AK. Cosmetic retinoid use in photoaged skin: A review of the compounds, their use and mechanisms of action. Int J Cosmet Sci 2024. [PMID: 39128883 DOI: 10.1111/ics.13013] [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: 02/14/2024] [Revised: 07/22/2024] [Accepted: 07/22/2024] [Indexed: 08/13/2024]
Abstract
The inevitable attrition of skin due to ultraviolet radiation, termed photoaging, can be partially restored by treatment with retinoid compounds. Photoaged skin in lightly pigmented individuals, clinically presents with the appearance of wrinkles, increased laxity, and hyper- and hypopigmentation. Underlying these visible signs of ageing are histological features such as epidermal thinning, dermal-epidermal junction flattening, solar elastosis and loss of the dermal fibrillin microfibrillar network, fibrillar collagen and glycosaminoglycans. Retinoid compounds are comprised of three main generations with the first generation (all-trans retinoic acid, retinol, retinaldehyde and retinyl esters) primarily used for the clinical and cosmetic treatment of photoaging, with varying degrees of efficacy, tolerance and stability. All-trans retinoic acid is considered the 'gold standard' for skin rejuvenation; however, it is a prescription-only product largely confined to clinical use. Therefore, retinoid derivatives are readily incorporated into cosmeceutical formulations. The literature reported in this review suggests that retinol, retinyl esters and retinaldehyde that are used in many cosmeceutical products, are efficacious, safe and well-tolerated. Once in the skin, retinoids utilize a complex signalling pathway that promotes remodelling of photoaged epidermis and dermis and leads to the improvement of the cutaneous signs of photoaging.
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Affiliation(s)
- Bezaleel Mambwe
- Centre for Dermatology Research, Salford Royal NHS Foundation Trust, Manchester Academic Health Science Centre, The University of Manchester, Manchester, UK
| | - Kieran T Mellody
- Centre for Dermatology Research, Salford Royal NHS Foundation Trust, Manchester Academic Health Science Centre, The University of Manchester, Manchester, UK
| | - Orsolya Kiss
- Centre for Dermatology Research, Salford Royal NHS Foundation Trust, Manchester Academic Health Science Centre, The University of Manchester, Manchester, UK
| | - Clare O'Connor
- No7 Beauty Company, Walgreens Boots Alliance, Nottingham, UK
| | - Mike Bell
- No7 Beauty Company, Walgreens Boots Alliance, Nottingham, UK
| | - Rachel E B Watson
- Centre for Dermatology Research, Salford Royal NHS Foundation Trust, Manchester Academic Health Science Centre, The University of Manchester, Manchester, UK
- A*STAR Skin Research Laboratory (A*SRL), Agency for Science, Technology and Research (A*STAR), Singapore City, Singapore
| | - Abigail K Langton
- Centre for Dermatology Research, Salford Royal NHS Foundation Trust, Manchester Academic Health Science Centre, The University of Manchester, Manchester, UK
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2
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Kottner J, Amin R, Tomova‐Simitchieva T, Hillmann K, Blume‐Peytavi U. Effects of a mattress cover with special airflow technology on the structure and function of the sacral and heel skin during loading: A two-arm exploratory crossover trial. Int Wound J 2024; 21:e14957. [PMID: 38994923 PMCID: PMC11240536 DOI: 10.1111/iwj.14957] [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: 04/29/2024] [Revised: 06/14/2024] [Accepted: 06/14/2024] [Indexed: 07/13/2024] Open
Abstract
Prolonged mechanical loading of the skin and underlying soft tissue cause pressure ulceration. The use of special support surfaces are key interventions in pressure ulcer prevention. They modify the degree and duration of soft tissue deformation and have an impact on the skin microclimate. The objective of this randomized cross-over trial was to compare skin responses and comfort after lying for 2.5 h supine on a support surface with and without a coverlet that was intended to assist with heat and moisture removal at the patient/surface interface. In addition, physiological saline solution was administered to simulate an incontinence episode on the mattress next to the participants' skin surface. In total, 12 volunteers (mean age 69 years) with diabetes mellitus participated. After loading, skin surface temperature, stratum corneum hydration and skin surface pH increased, whereas erythema and structural stiffness decreased at the sacral area. At the heel skin area, temperature, erythema, and stratum corneum hydration increased. These results indicate occlusion and soft tissue deformation which was aggravated by the saline solution. The differences in skin response showed only minor differences between the support surface with or without the coverlet.
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Affiliation(s)
- Jan Kottner
- Institute for Clinical Nursing ScienceCharité – Universitätsmedizin BerlinBerlinGermany
| | - Ruhul Amin
- Department of Dermatology, Venereology and Allergology, Clinical Research Center for Hair and Skin ScienceCharité – Universitätsmedizin BerlinBerlinGermany
- BCSIR Laboratories DhakaBangladesh Council of Scientific and Industrial ResearchDhakaBangladesh
| | - Tsenka Tomova‐Simitchieva
- Department of Dermatology, Venereology and Allergology, Clinical Research Center for Hair and Skin ScienceCharité – Universitätsmedizin BerlinBerlinGermany
| | - Kathrin Hillmann
- Department of Dermatology, Venereology and Allergology, Clinical Research Center for Hair and Skin ScienceCharité – Universitätsmedizin BerlinBerlinGermany
| | - Ulrike Blume‐Peytavi
- Department of Dermatology, Venereology and Allergology, Clinical Research Center for Hair and Skin ScienceCharité – Universitätsmedizin BerlinBerlinGermany
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3
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Komsa-Penkova R, Dimitrov B, Todinova S, Ivanova V, Stoycheva S, Temnishki P, Georgieva G, Tonchev P, Iliev M, Altankov G. Early Stages of Ex Vivo Collagen Glycation Disrupt the Cellular Interaction and Its Remodeling by Mesenchymal Stem Cells-Morphological and Biochemical Evidence. Int J Mol Sci 2024; 25:5795. [PMID: 38891981 PMCID: PMC11172055 DOI: 10.3390/ijms25115795] [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: 04/13/2024] [Revised: 05/20/2024] [Accepted: 05/22/2024] [Indexed: 06/21/2024] Open
Abstract
Mesenchymal stem cells (MSCs), pivotal for tissue repair, utilize collagen to restore structural integrity in damaged tissue, preserving its organization through concomitant remodeling. The non-enzymatic glycation of collagen potentially compromises MSC communication, particularly upon advancing the process, underlying various pathologies such as late-stage diabetic complications and aging. However, an understanding of the impact of early-stage collagen glycation on MSC interaction is lacking. This study examines the fate of in vitro glycated rat tail collagen (RTC) upon exposure to glucose for 1 or 5 days in contact with MSCs. Utilizing human adipose tissue-derived MSCs (ADMSCs), we demonstrate their significantly altered interaction with glycated collagen, characterized morphologically by reduced cell spreading, diminished focal adhesions formation, and attenuated development of the actin cytoskeleton. The morphological findings were confirmed by ImageJ 1.54g morphometric analysis with the most significant drop in the cell spreading area (CSA), from 246.8 μm2 for the native collagen to 216.8 μm2 and 163.7 μm2 for glycated ones, for 1 day and 5 days, respectively, and a similar trend was observed for cell perimeter 112.9 μm vs. 95.1 μm and 86.2 μm, respectively. These data suggest impaired recognition of early glycated collagen by integrin receptors. Moreover, they coincide with the reduced fibril-like reorganization of adsorbed FITC-collagen (indicating impaired remodeling) and a presumed decreased sensitivity to proteases. Indeed, confirmatory assays reveal diminished FITC-collagen degradation for glycated samples at 1 day and 5 days by attached cells (22.8 and 30.4%) and reduced proteolysis upon exogenous collagenase addition (24.5 and 40.4%) in a cell-free system, respectively. The mechanisms behind these effects remain uncertain, although differential scanning calorimetry confirms subtle structural/thermodynamic changes in glycated collagen.
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Affiliation(s)
| | - Borislav Dimitrov
- Department of Biochemistry, Medical University Pleven, 5800 Pleven, Bulgaria
| | - Svetla Todinova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Violina Ivanova
- Department of Biochemistry, Medical University Pleven, 5800 Pleven, Bulgaria
| | | | - Peter Temnishki
- Department of Biochemistry, Medical University Pleven, 5800 Pleven, Bulgaria
| | - Galya Georgieva
- Department of Biochemistry, Medical University Pleven, 5800 Pleven, Bulgaria
| | - Pencho Tonchev
- Department of Surgery, Medical University Pleven, 5800 Pleven, Bulgaria
| | - Mario Iliev
- Faculty of Physics, Sofia University “St. Kliment Ohridski”, 1504 Sofia, Bulgaria
| | - George Altankov
- Research Institute, Medical University Pleven, 5800 Pleven, Bulgaria
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4
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Lai C, Li R, Tang W, Liu J, Duan XDXF, Bao D, Liu H, Fu S. Metabolic Syndrome and Tendon Disease: A Comprehensive Review. Diabetes Metab Syndr Obes 2024; 17:1597-1609. [PMID: 38616994 PMCID: PMC11015851 DOI: 10.2147/dmso.s459060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 03/21/2024] [Indexed: 04/16/2024] Open
Abstract
Metabolic syndrome (MS) is a multifaceted pathological condition characterized by the atypical accumulation of various metabolic components such as central obesity or excess weight, hyperlipidemia, low-density lipoprotein (LDL), hypertension, and insulin resistance. Recently, MS has been recognized as a notable contributor to heart and circulatory diseases. In addition, with increasing research, the impact of MS on tendon repair and disease has gradually emerged. Recent studies have investigated the relationship between tendon healing and diseases such as diabetes, dyslipidemia, obesity, and other metabolic disorders. However, diabetes mellitus (DM), hypercholesterolemia, obesity, and various metabolic disorders often coexist and together constitute MS. At present, insulin resistance is considered the major pathological mechanism underlying MS, central obesity is regarded as the predominant factor responsible for it, and dyslipidemia and other metabolic diseases are known as secondary contributors to MS. This review aims to evaluate the current literature regarding the impact of various pathological conditions in MS on tendon recovery and illness, and to present a comprehensive overview of the effects of MS on tendon recovery and diseases, along with the accompanying molecular mechanisms.
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Affiliation(s)
- Canhao Lai
- Department of Bone and Joint, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, People’s Republic of China
| | - Ruichen Li
- Department of Bone and Joint, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, People’s Republic of China
| | - Weili Tang
- Department of Bone and Joint, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, People’s Republic of China
| | - Jinyu Liu
- Department of Bone and Joint, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, People’s Republic of China
| | - Xinfang D X F Duan
- Department of Bone and Joint, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, People’s Republic of China
| | - Dingsu Bao
- Department of Bone and Joint, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, People’s Republic of China
- Chengdu University of Traditional Chinese Medicine, Chengdu, People’s Republic of China
| | - Huan Liu
- Department of Bone and Joint, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, People’s Republic of China
| | - Shijie Fu
- Department of Bone and Joint, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, People’s Republic of China
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5
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Azami M, Moradkhani A, Afraie M, Saed L, Tapak MA, Khoramipoor K, Khateri S, Moradi Y. The association between diabetes mellitus and musculoskeletal disorders: a systematic review and meta-analysis. Front Endocrinol (Lausanne) 2024; 15:1320468. [PMID: 38633759 PMCID: PMC11022848 DOI: 10.3389/fendo.2024.1320468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 03/18/2024] [Indexed: 04/19/2024] Open
Abstract
Background Despite the fact that DM patients are living longer, research on the prevalence of MSDs and other related illnesses is still lacking compared to that of other comorbidities. This study systematically reviewed and meta-analyzed cohort studies to determine the association between diabetes mellitus (DM) and musculoskeletal disorders (MSDs). Methods A comprehensive search of international databases, including Medline (PubMed), Web of Science, Scopus, and Embase, was conducted up to June 2023 to identify relevant studies investigating the association between MSDs and DM. Results The meta-analysis included ten cohort studies with a total of 308,445 participants. The pooled risk ratio (RR) estimate for the association between MSDs and DM was 1.03 (95% CI 1.00-1.06). Based on subgroup analysis, the association between longer duration (more than 7), European, below the age of 70, and female patients was higher than the others. Conclusion In conclusion, the results of this meta-analysis suggest that there may be an association between MSDs and diabetes in people with diabetes. These findings add to the existing knowledge on this topic and highlight the importance of recognition and management of MSDs in people with DM. There is a need for further research to investigate the underlying mechanisms and to develop targeted interventions for the prevention and management of MSDs in this population. Systematic review registration https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=381787, identifier CRD42022381787.
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Affiliation(s)
- Mobin Azami
- Student of the Research Committee, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Asra Moradkhani
- Student of the Research Committee, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Maryam Afraie
- Department of Epidemiology and Biostatistics, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Lotfolah Saed
- Department of Endocrinology, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Mohammad Amin Tapak
- Student of the Research Committee, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Kimya Khoramipoor
- Student of the Research Committee, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Sorour Khateri
- Department of Physical Medicine and Rehabilitation, School of Medicine, Sina (Farshchian) Educational and Medical Center, Hamadan University of Medical Sciences, Hamedan, Iran
| | - Yousef Moradi
- Social Determinants of the Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran
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Mohammadkhah M, Klinge S. Review paper: The importance of consideration of collagen cross-links in computational models of collagen-based tissues. J Mech Behav Biomed Mater 2023; 148:106203. [PMID: 37879165 DOI: 10.1016/j.jmbbm.2023.106203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 09/25/2023] [Accepted: 10/17/2023] [Indexed: 10/27/2023]
Abstract
Collagen as the main protein in Extra Cellular Matrix (ECM) is the main load-bearing component of fibrous tissues. Nanostructure and architecture of collagen fibrils play an important role in mechanical behavior of these tissues. Extensive experimental and theoretical studies have so far been performed to capture these properties, but none of the current models realistically represent the complexity of network mechanics because still less is known about the collagen's inner structure and its effect on the mechanical properties of tissues. The goal of this review article is to emphasize the significance of cross-links in computational modeling of different collagen-based tissues, and to reveal the need for continuum models to consider cross-links properties to better reflect the mechanical behavior observed in experiments. In addition, this study outlines the limitations of current investigations and provides potential suggestions for the future work.
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Affiliation(s)
- Melika Mohammadkhah
- Technische Universität Berlin, Institute of Mechanics, Chair of Structural Mechanics and Analysis, Technische Universität Berlin, Straße des 17. Juni 135, 10623 Berlin, Germany.
| | - Sandra Klinge
- Technische Universität Berlin, Institute of Mechanics, Chair of Structural Mechanics and Analysis, Technische Universität Berlin, Straße des 17. Juni 135, 10623 Berlin, Germany
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7
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Chen WT, Luo Y, Chen XM, Xiao JH. Role of exosome-derived miRNAs in diabetic wound angiogenesis. Mol Cell Biochem 2023:10.1007/s11010-023-04874-1. [PMID: 37891446 DOI: 10.1007/s11010-023-04874-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 10/05/2023] [Indexed: 10/29/2023]
Abstract
Chronic wounds with high disability are among the most common and serious complications of diabetes. Angiogenesis dysfunction impair wound healing in patients with diabetes. Compared with traditional therapies that can only provide symptomatic treatment, stem cells-owing to their powerful paracrine properties, can alleviate the pathogenesis of chronic diabetic wounds and even cure them. Exosome-derived microRNAs (miRNAs), important components of stem cell paracrine signaling, have been reported for therapeutic use in various disease models, including diabetic wounds. Exosome-derived miRNAs have been widely reported to be involved in regulating vascular function and have promising applications in the repair and regeneration of skin wounds. Therefore, this article aims to review the current status of the pathophysiology of exosome-derived miRNAs in the diabetes-induced impairment of wound healing, along with current knowledge of the underlying mechanisms, emphasizing the regulatory mechanism of angiogenesis, we hope to document the emerging theoretical basis for improving wound repair by restoring angiogenesis in diabetes.
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Affiliation(s)
- Wen-Ting Chen
- Institute of Medicinal Biotechnology, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Huichuan District, Zunyi, 563003, China
| | - Yi Luo
- Institute of Medicinal Biotechnology, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Huichuan District, Zunyi, 563003, China
- Guizhou Provincial Universities Key Laboratory of Medicinal Biotechnology & Research Center for Translational Medicine, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Huichuan District, Zunyi, 563003, China
| | - Xue-Mei Chen
- Institute of Medicinal Biotechnology, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Huichuan District, Zunyi, 563003, China
- Department of Pediatrics, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Huichuan District, Zunyi, 563003, China
| | - Jian-Hui Xiao
- Institute of Medicinal Biotechnology, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Huichuan District, Zunyi, 563003, China.
- Guizhou Provincial Universities Key Laboratory of Medicinal Biotechnology & Research Center for Translational Medicine, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Huichuan District, Zunyi, 563003, China.
- Department of Pediatrics, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Huichuan District, Zunyi, 563003, China.
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8
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Zhang Q, An ZY, Jiang W, Jin WL, He XY. Collagen code in tumor microenvironment: Functions, molecular mechanisms, and therapeutic implications. Biomed Pharmacother 2023; 166:115390. [PMID: 37660648 DOI: 10.1016/j.biopha.2023.115390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 08/25/2023] [Accepted: 08/26/2023] [Indexed: 09/05/2023] Open
Abstract
The tumor microenvironment (TME) is crucial in cancer progression, and the extracellular matrix (ECM) is an important TME component. Collagen is a major ECM component that contributes to tumor cell infiltration, expansion, and distant metastasis during cancer progression. Recent studies reported that collagen is deposited in the TME to form a collagen wall along which tumor cells can infiltrate and prevent drugs from working on the tumor cells. Collagen-tumor cell interaction is complex and requires the activation of multiple signaling pathways for biochemical and mechanical signaling interventions. In this review, we examine the effect of collagen deposition in the TME on tumor progression and discuss the interaction between collagen and tumor cells. This review aims to illustrate the functions and mechanisms of collagen in tumor progression in the TME and its role in tumor therapy. The findings indicated collagen in the TME appears to be a better target for cancer therapy.
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Affiliation(s)
- Qian Zhang
- Department of General Surgery, The Affiliated Provincial Hospital of Anhui Medical University, Hefei 230001, PR China
| | - Zi-Yi An
- The First Clinical Medical College of Lanzhou University, Lanzhou 730000, PR China; Institute of Cancer Neuroscience, Medical Frontier Innovation Research Center, The First Hospital of Lanzhou University, Lanzhou 730000, PR China
| | - Wen Jiang
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei 230001, PR China; Anhui Public Health Clinical Center, Hefei 230001, PR China
| | - Wei-Lin Jin
- The First Clinical Medical College of Lanzhou University, Lanzhou 730000, PR China; Institute of Cancer Neuroscience, Medical Frontier Innovation Research Center, The First Hospital of Lanzhou University, Lanzhou 730000, PR China.
| | - Xin-Yang He
- Department of General Surgery, The Affiliated Provincial Hospital of Anhui Medical University, Hefei 230001, PR China; Department of General Surgery, The First Affiliated Hospital of University of Science and Technology of China (Anhui Provincial Hospital), Hefei 230001, PR China.
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9
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Quansah E, Shaik TA, Çevik E, Wang X, Höppener C, Meyer-Zedler T, Deckert V, Schmitt M, Popp J, Krafft C. Investigating biochemical and structural changes of glycated collagen using multimodal multiphoton imaging, Raman spectroscopy, and atomic force microscopy. Anal Bioanal Chem 2023; 415:6257-6267. [PMID: 37640827 PMCID: PMC10558391 DOI: 10.1007/s00216-023-04902-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 07/31/2023] [Accepted: 08/03/2023] [Indexed: 08/31/2023]
Abstract
Advanced glycation end products (AGEs) form extracellular crosslinking with collagenous proteins, which contributes to the development of diabetic complications. In this study, AGEs-related pentosidine (PENT) crosslinks-induced structural and biochemical changes are studied using multimodal multiphoton imaging, Raman spectroscopy and atomic force microscopy (AFM). Decellularized equine pericardium (EP) was glycated with four ribose concentrations ranging between 5 and 200 mM and monitored for up to 30 days. Two-photon excited fluorescence (TPEF) and second harmonic generation (SHG) microscopic imaging probed elastin and collagen fibers, respectively. The glycated EP showed a decrease in the SHG intensities associated with loss of non-centrosymmetry of collagen and an increase of TPEF intensities associated with PENT crosslinks upon glycation. TPEF signals from elastin fibers were unaffected. A three-dimensional reconstruction with SHG + TPEF z-stack images visualized the distribution of collagen and elastin within the EP volume matrix. In addition, Raman spectroscopy (RS) detected changes in collagen-related bands and discriminated glycated from untreated EP. Furthermore, AFM scans showed that the roughness increases and the D-unit structure of fibers remained unchanged during glycation. The PENT crosslinked-induced changes are discussed in the context of previous studies of glutaraldehyde- and genipin-induced crosslinking and collagenase-induced digestion of collagen. We conclude that TPEF, SHG, RS, and AFM are effective, label-free, and non-destructive methods to investigate glycated tissues, differentiate crosslinking processes, and characterize general collagen-associated and disease-related changes, in particular by their RS fingerprints.
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Affiliation(s)
- Elsie Quansah
- Institute of Physical Chemistry and Abbe Center of Photonics (IPC), Member of the Leibniz Center for Photonics in Infectious Research (LPI), Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
- Leibniz Institute of Photonic Technology (IPHT), Member of Leibniz Health Technologies, Member of the Leibniz Center for Photonics in Infectious Research (LPI), Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Tanveer Ahmed Shaik
- Leibniz Institute of Photonic Technology (IPHT), Member of Leibniz Health Technologies, Member of the Leibniz Center for Photonics in Infectious Research (LPI), Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Ecehan Çevik
- Leibniz Institute of Photonic Technology (IPHT), Member of Leibniz Health Technologies, Member of the Leibniz Center for Photonics in Infectious Research (LPI), Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Xinyue Wang
- Institute of Physical Chemistry and Abbe Center of Photonics (IPC), Member of the Leibniz Center for Photonics in Infectious Research (LPI), Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
- Leibniz Institute of Photonic Technology (IPHT), Member of Leibniz Health Technologies, Member of the Leibniz Center for Photonics in Infectious Research (LPI), Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Christiane Höppener
- Institute of Physical Chemistry and Abbe Center of Photonics (IPC), Member of the Leibniz Center for Photonics in Infectious Research (LPI), Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
- Leibniz Institute of Photonic Technology (IPHT), Member of Leibniz Health Technologies, Member of the Leibniz Center for Photonics in Infectious Research (LPI), Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Tobias Meyer-Zedler
- Institute of Physical Chemistry and Abbe Center of Photonics (IPC), Member of the Leibniz Center for Photonics in Infectious Research (LPI), Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
- Leibniz Institute of Photonic Technology (IPHT), Member of Leibniz Health Technologies, Member of the Leibniz Center for Photonics in Infectious Research (LPI), Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Volker Deckert
- Institute of Physical Chemistry and Abbe Center of Photonics (IPC), Member of the Leibniz Center for Photonics in Infectious Research (LPI), Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
- Leibniz Institute of Photonic Technology (IPHT), Member of Leibniz Health Technologies, Member of the Leibniz Center for Photonics in Infectious Research (LPI), Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Michael Schmitt
- Institute of Physical Chemistry and Abbe Center of Photonics (IPC), Member of the Leibniz Center for Photonics in Infectious Research (LPI), Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
- Leibniz Institute of Photonic Technology (IPHT), Member of Leibniz Health Technologies, Member of the Leibniz Center for Photonics in Infectious Research (LPI), Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Jürgen Popp
- Institute of Physical Chemistry and Abbe Center of Photonics (IPC), Member of the Leibniz Center for Photonics in Infectious Research (LPI), Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
- Leibniz Institute of Photonic Technology (IPHT), Member of Leibniz Health Technologies, Member of the Leibniz Center for Photonics in Infectious Research (LPI), Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Christoph Krafft
- Leibniz Institute of Photonic Technology (IPHT), Member of Leibniz Health Technologies, Member of the Leibniz Center for Photonics in Infectious Research (LPI), Albert-Einstein-Straße 9, 07745, Jena, Germany.
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10
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D’Arino A, Caputo S, Eibenschutz L, Piemonte P, Buccini P, Frascione P, Bellei B. Skin Cancer Microenvironment: What We Can Learn from Skin Aging? Int J Mol Sci 2023; 24:14043. [PMID: 37762344 PMCID: PMC10531546 DOI: 10.3390/ijms241814043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 08/30/2023] [Accepted: 09/09/2023] [Indexed: 09/29/2023] Open
Abstract
Aging is a natural intrinsic process associated with the loss of fibrous tissue, a slower cell turnover, and a reduction in immune system competence. In the skin, the continuous exposition of environmental factors superimposes extrinsic damage, mainly due to ultraviolet radiation causing photoaging. Although not usually considered a pathogenic event, photoaging affects cutaneous biology, increasing the risk of skin carcinogenesis. At the cellular level, aging is typified by the rise of senescence cells a condition characterized by reduced or absent capacity to proliferate and aberrant hyper-secretory activity. Senescence has a double-edged sword in cancer biology given that senescence prevents the uncontrolled proliferation of damaged cells and favors their clearance by paracrine secretion. Nevertheless, the cumulative insults and the poor clearance of injured cells in the elderly increase cancer incidence. However, there are not conclusive data proving that aged skin represents a permissive milieu for tumor onset. On the other hand, tumor cells are capable of activating resident fibroblasts onto a pro-tumorigenic phenotype resembling those of senescent fibroblasts suggesting that aged fibroblasts might facilitate cancer progression. This review discusses changes that occur during aging that can prime neoplasm or increase the aggressiveness of melanoma and non-melanoma skin cancer.
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Affiliation(s)
- Andrea D’Arino
- Oncologic and Preventative Dermatology, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
| | - Silvia Caputo
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
| | - Laura Eibenschutz
- Oncologic and Preventative Dermatology, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
| | - Paolo Piemonte
- Oncologic and Preventative Dermatology, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
| | - Pierluigi Buccini
- Oncologic and Preventative Dermatology, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
| | - Pasquale Frascione
- Oncologic and Preventative Dermatology, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
| | - Barbara Bellei
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
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11
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Chen VY, Siegfried LG, Tomic-Canic M, Stone RC, Pastar I. Cutaneous changes in diabetic patients: Primed for aberrant healing? Wound Repair Regen 2023; 31:700-712. [PMID: 37365017 PMCID: PMC10966665 DOI: 10.1111/wrr.13108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/29/2023] [Accepted: 04/11/2023] [Indexed: 06/28/2023]
Abstract
Cutaneous manifestations affect most patients with diabetes mellitus, clinically presenting with numerous dermatologic diseases from xerosis to diabetic foot ulcers (DFUs). Skin conditions not only impose a significantly impaired quality of life on individuals with diabetes but also predispose patients to further complications. Knowledge of cutaneous biology and the wound healing process under diabetic conditions is largely limited to animal models, and studies focusing on biology of the human condition of DFUs remain limited. In this review, we discuss the critical molecular, cellular, and structural changes to the skin in the hyperglycaemic and insulin-resistant environment of diabetes with a focus specifically on human-derived data. Elucidating the breadth of the cutaneous manifestations coupled with effective diabetes management is important for improving patient quality of life and averting future complications including wound healing disorders.
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Affiliation(s)
- Vivien Y Chen
- Wound Healing and Regenerative Medicine Research Program, Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Lindsey G Siegfried
- Wound Healing and Regenerative Medicine Research Program, Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Marjana Tomic-Canic
- Wound Healing and Regenerative Medicine Research Program, Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Rivka C Stone
- Wound Healing and Regenerative Medicine Research Program, Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Irena Pastar
- Wound Healing and Regenerative Medicine Research Program, Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA
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12
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Tian Z, Chen S, Shi Y, Wang P, Wu Y, Li G. Dietary advanced glycation end products (dAGEs): An insight between modern diet and health. Food Chem 2023; 415:135735. [PMID: 36863235 DOI: 10.1016/j.foodchem.2023.135735] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 02/06/2023] [Accepted: 02/15/2023] [Indexed: 03/04/2023]
Abstract
Advanced glycation end products (AGEs) are formed by a series of chemical reactions of amino acids, peptides, proteins, and ketones at normal temperature or heated non-enzymatic conditions. A large amount of AGEs derived from Maillard Reaction (MR) during the process of food heat-processing. After oral intake, dietary AGEs are converted into biological AGEs through digestion and absorption, and accumulated in almost all organs. The safety and health risk of dietary AGEs have attracted wide attention. Increasing evidence have shown that uptake of dietary AGEs is closely related to the occurrence of many chronic diseases, such as diabetes, chronic kidney disease, osteoporosis, and Alzheimer's disease. This review summarized the most updated information of production, bio-transport in vivo, detection technologies, and physiological toxicity of dietary AGEs, and also discussed approaches to inhibit dietary AGEs generation. Impressively, the future opportunities and challenges on the detection, toxicity, and inhibition of dietary AGEs are raised.
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Affiliation(s)
- Zhaoqing Tian
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Shasha Chen
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Yiheng Shi
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Panpan Wang
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Yongning Wu
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China; NHC Key Laboratory of Food Safety Risk Assessment, Food Safety Research Unit (2019RU014) of Chinese Academy of Medical Science, China National Center for Food Safety Risk Assessment, Beijing 100021, China
| | - Guoliang Li
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
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13
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Kamml J, Ke CY, Acevedo C, Kammer DS. The influence of AGEs and enzymatic cross-links on the mechanical properties of collagen fibrils. J Mech Behav Biomed Mater 2023; 143:105870. [PMID: 37156073 DOI: 10.1016/j.jmbbm.2023.105870] [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: 01/30/2023] [Revised: 03/28/2023] [Accepted: 04/23/2023] [Indexed: 05/10/2023]
Abstract
Collagen, one of the main building blocks for various tissues, derives its mechanical properties directly from its structure of cross-linked tropocollagen molecules. The cross-links are considered to be a key component of collagen fibrils as they can change the fibrillar behavior in various ways. For instance, enzymatic cross-links (ECLs), one particular type of cross-links, are known for stabilizing the structure of the fibril and improving material properties, while cross-linking AGEs (Advanced-Glycation Endproducts) have been shown to accumulate and impair the mechanical properties of collageneous tissues. However, the reasons for whether and how a given type of cross-link improves or impairs the material properties remain unknown, and the exact relationship between the cross-link properties and density, and the fibrillar behavior is still not well understood. Here, we use coarse-grained steered molecular models to evaluate the effect of AGEs and ECLs cross-links content on the deformation and failure properties of collagen fibrils. Our simulations show that the collagen fibrils stiffen at high strain levels when the AGEs content exceeds a critical value. In addition, the strength of the fibril increases with AGEs accumulation. By analyzing the forces within the different types of cross-links (AGEs and ECLs) as well as their failure, we demonstrate that a change of deformation mechanism is at the origin of these observations. A high AGEs content reinforces force transfer through AGEs cross-links rather than through friction between sliding tropocollagen molecules, which leads to failure by breaking of bonds within the tropocollagen molecules. We show that this failure mechanism, which is associated with lower energy dissipation, results in more abrupt failure of the collagen fibril. Our results provide a direct and causal link between increased AGEs content, inhibited intra-fibrillar sliding, increased stiffness, and abrupt fibril fracture. Therefore, they explain the mechanical origin of bone brittleness as commonly observed in elderly and diabetic populations. Our findings contribute to a better understanding of the mechanisms underlying impaired tissue behavior due to elevated AGEs content and could enable targeted measures regarding the reduction of specific collagen cross-linking levels.
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Affiliation(s)
- Julia Kamml
- Institute for Building Materials, ETH Zurich, Switzerland
| | - Chun-Yu Ke
- Department of Engineering Science and Mechanics, Pennsylvania State University, University Park, PA, USA
| | - Claire Acevedo
- Department of Mechanical Engineering, University of Utah, Salt Lake City, UT, USA; Department of Biomedical Engineering, University of Utah, Salt Lake City, UT, USA
| | - David S Kammer
- Institute for Building Materials, ETH Zurich, Switzerland.
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14
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Devos H, Zoidakis J, Roubelakis MG, Latosinska A, Vlahou A. Reviewing the Regulators of COL1A1. Int J Mol Sci 2023; 24:10004. [PMID: 37373151 DOI: 10.3390/ijms241210004] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/28/2023] [Accepted: 06/09/2023] [Indexed: 06/29/2023] Open
Abstract
The collagen family contains 28 proteins, predominantly expressed in the extracellular matrix (ECM) and characterized by a triple-helix structure. Collagens undergo several maturation steps, including post-translational modifications (PTMs) and cross-linking. These proteins are associated with multiple diseases, the most pronounced of which are fibrosis and bone diseases. This review focuses on the most abundant ECM protein highly implicated in disease, type I collagen (collagen I), in particular on its predominant chain collagen type I alpha 1 (COLα1 (I)). An overview of the regulators of COLα1 (I) and COLα1 (I) interactors is presented. Manuscripts were retrieved searching PubMed, using specific keywords related to COLα1 (I). COL1A1 regulators at the epigenetic, transcriptional, post-transcriptional and post-translational levels include DNA Methyl Transferases (DNMTs), Tumour Growth Factor β (TGFβ), Terminal Nucleotidyltransferase 5A (TENT5A) and Bone Morphogenic Protein 1 (BMP1), respectively. COLα1 (I) interacts with a variety of cell receptors including integrinβ, Endo180 and Discoidin Domain Receptors (DDRs). Collectively, even though multiple factors have been identified in association to COLα1 (I) function, the implicated pathways frequently remain unclear, underscoring the need for a more spherical analysis considering all molecular levels simultaneously.
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Affiliation(s)
- Hanne Devos
- Centre of Systems Biology, Biomedical Research Foundation of the Academy of Athens, 11527 Athens, Greece
| | - Jerome Zoidakis
- Centre of Systems Biology, Biomedical Research Foundation of the Academy of Athens, 11527 Athens, Greece
| | - Maria G Roubelakis
- Laboratory of Biology, University of Athens School of Medicine, 11527 Athens, Greece
- Laboratory of Cell and Gene Therapy, Biomedical Research Foundation, Academy of Athens, 11527 Athens, Greece
| | | | - Antonia Vlahou
- Centre of Systems Biology, Biomedical Research Foundation of the Academy of Athens, 11527 Athens, Greece
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15
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Zgutka K, Tkacz M, Tomasiak P, Tarnowski M. A Role for Advanced Glycation End Products in Molecular Ageing. Int J Mol Sci 2023; 24:9881. [PMID: 37373042 PMCID: PMC10298716 DOI: 10.3390/ijms24129881] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 06/02/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
Ageing is a composite process that involves numerous changes at the cellular, tissue, organ and whole-body levels. These changes result in decreased functioning of the organism and the development of certain conditions, which ultimately lead to an increased risk of death. Advanced glycation end products (AGEs) are a family of compounds with a diverse chemical nature. They are the products of non-enzymatic reactions between reducing sugars and proteins, lipids or nucleic acids and are synthesised in high amounts in both physiological and pathological conditions. Accumulation of these molecules increases the level of damage to tissue/organs structures (immune elements, connective tissue, brain, pancreatic beta cells, nephrons, and muscles), which consequently triggers the development of age-related diseases, such as diabetes mellitus, neurodegeneration, and cardiovascular and kidney disorders. Irrespective of the role of AGEs in the initiation or progression of chronic disorders, a reduction in their levels would certainly provide health benefits. In this review, we provide an overview of the role of AGEs in these areas. Moreover, we provide examples of lifestyle interventions, such as caloric restriction or physical activities, that may modulate AGE formation and accumulation and help to promote healthy ageing.
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Affiliation(s)
- Katarzyna Zgutka
- Department of Physiology in Health Sciences, Faculty of Health Sciences, Pomeranian Medical University, Żołnierska 54, 70-210 Szczecin, Poland
| | - Marta Tkacz
- Department of Physiology in Health Sciences, Faculty of Health Sciences, Pomeranian Medical University, Żołnierska 54, 70-210 Szczecin, Poland
| | - Patrycja Tomasiak
- Institute of Physical Culture Sciences, University of Szczecin, 70-453 Szczecin, Poland
| | - Maciej Tarnowski
- Department of Physiology in Health Sciences, Faculty of Health Sciences, Pomeranian Medical University, Żołnierska 54, 70-210 Szczecin, Poland
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16
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Harper EI, Siroky MD, Hilliard TS, Dominique GM, Hammond C, Liu Y, Yang J, Hubble VB, Walsh DJ, Melander RJ, Melander C, Ravosa MJ, Stack MS. Advanced Glycation End Products as a Potential Target for Restructuring the Ovarian Cancer Microenvironment: A Pilot Study. Int J Mol Sci 2023; 24:9804. [PMID: 37372952 PMCID: PMC10298212 DOI: 10.3390/ijms24129804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 05/25/2023] [Accepted: 05/31/2023] [Indexed: 06/29/2023] Open
Abstract
Ovarian cancer is the sixth leading cause of cancer-related death in women, and both occurrence and mortality are increased in women over the age of 60. There are documented age-related changes in the ovarian cancer microenvironment that have been shown to create a permissive metastatic niche, including the formation of advanced glycation end products, or AGEs, that form crosslinks between collagen molecules. Small molecules that disrupt AGEs, known as AGE breakers, have been examined in other diseases, but their efficacy in ovarian cancer has not been evaluated. The goal of this pilot study is to target age-related changes in the tumor microenvironment with the long-term aim of improving response to therapy in older patients. Here, we show that AGE breakers have the potential to change the omental collagen structure and modulate the peritoneal immune landscape, suggesting a potential use for AGE breakers in the treatment of ovarian cancer.
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Affiliation(s)
- Elizabeth I. Harper
- Integrated Biomedical Sciences Graduate Program, University of Notre Dame, Notre Dame, IN 46556, USA
- Department of Chemistry & Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46617, USA
| | - Michael D. Siroky
- Department of Chemistry & Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46617, USA
| | - Tyvette S. Hilliard
- Department of Chemistry & Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46617, USA
| | - Gena M. Dominique
- Department of Chemistry & Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46617, USA
| | - Catherine Hammond
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46617, USA
| | - Yueying Liu
- Department of Chemistry & Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46617, USA
| | - Jing Yang
- Department of Chemistry & Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46617, USA
| | - Veronica B. Hubble
- Department of Chemistry & Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Danica J. Walsh
- Department of Chemistry & Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Roberta J. Melander
- Department of Chemistry & Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Christian Melander
- Department of Chemistry & Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Matthew J. Ravosa
- Center for Functional Anatomy and Evolution, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - M. Sharon Stack
- Department of Chemistry & Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46617, USA
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17
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Lee KB, Chon SJ, Kim S, Kim DY, Park CW, Shin SJ, Kim SM, Lee KH, Ji YI. Using Type I Collagen Gel to Prevent Postoperative Intrauterine Adhesion: A Multicenter Retrospective Study. J Clin Med 2023; 12:jcm12113764. [PMID: 37297959 DOI: 10.3390/jcm12113764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 05/24/2023] [Accepted: 05/24/2023] [Indexed: 06/12/2023] Open
Abstract
We evaluated the clinical outcomes of using type 1 collagen gel after therapeutic resectoscopy; overall, 150 women aged > 20 who planned to undergo therapeutic resectoscopy were enrolled. The patients were randomly assigned to either of the anti-adhesive treatment groups: the type 1 collagen gel (Collabarrier®) (study group; N = 75) or the sodium hyaluronate and sodium carboxymethylcellulose gel group (control group; N = 75) after resectoscopy. One month after applying anti-adhesive materials, postoperative intrauterine adhesions were evaluated using second-look hysteroscopy; the incidence rate of postoperative intrauterine adhesions examined through second-look hysteroscopy showed no significant differences between the groups. There were no statistical differences between the frequency and mean scores of the type and intensity of adhesions in both groups. Finally, no significant differences in adverse events, serious adverse events, adverse device effects, and serious adverse device effects were noted between the two groups; type 1 collagen gel can be effectively and safely used in intrauterine surgery to minimize postoperative adhesions, thereby eventually decreasing the prevalence of infertility, secondary amenorrhea, and recurrent pregnancy loss in reproductive women.
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Affiliation(s)
- Kwang Beom Lee
- Department of Obstetrics and Gynecology, Gachon University Gil Medical Center, Gachon University College of Medicine, Incheon 21565, Republic of Korea
| | - Seung Joo Chon
- Department of Obstetrics and Gynecology, Gachon University Gil Medical Center, Gachon University College of Medicine, Incheon 21565, Republic of Korea
| | - Sunghoon Kim
- Department of Obstetrics and Gynecology, Women's Cancer Clinic, Institute of Women's Life Science, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Dae Yeon Kim
- Department of Obstetrics and Gynecology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea
| | - Chan Woo Park
- Department of Obstetrics and Gynecology, Fertility Center of CHA Gangnam Medical Center, CHA University School of Medicine, Seoul 13496, Republic of Korea
| | - So Jin Shin
- Department of Obstetrics and Gynecology, Keimyung University School of Medicine, Daegu 42601, Republic of Korea
| | - Seok Mo Kim
- Department of Obstetrics and Gynecology, Chonnam National University Medical School, Gwangju 61469, Republic of Korea
| | - Ki Hwan Lee
- Department of Obstetrics and Gynecology, Chungnam National University Hospital, Chungnam National University College of Medicine, Daejeon 34134, Republic of Korea
| | - Yong Il Ji
- Department of Obstetrics and Gynecology, Inje University, Haeundae Paik Hospital, Busan 48108, Republic of Korea
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18
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Shakiba D, Genin GM, Zustiak SP. Mechanobiology of cancer cell responsiveness to chemotherapy and immunotherapy: Mechanistic insights and biomaterial platforms. Adv Drug Deliv Rev 2023; 196:114771. [PMID: 36889646 PMCID: PMC10133187 DOI: 10.1016/j.addr.2023.114771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 12/17/2022] [Accepted: 03/03/2023] [Indexed: 03/08/2023]
Abstract
Mechanical forces are central to how cancer treatments such as chemotherapeutics and immunotherapies interact with cells and tissues. At the simplest level, electrostatic forces underlie the binding events that are critical to therapeutic function. However, a growing body of literature points to mechanical factors that also affect whether a drug or an immune cell can reach a target, and to interactions between a cell and its environment affecting therapeutic efficacy. These factors affect cell processes ranging from cytoskeletal and extracellular matrix remodeling to transduction of signals by the nucleus to metastasis of cells. This review presents and critiques the state of the art of our understanding of how mechanobiology impacts drug and immunotherapy resistance and responsiveness, and of the in vitro systems that have been of value in the discovery of these effects.
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Affiliation(s)
- Delaram Shakiba
- NSF Science and Technology Center for Engineering Mechanobiology, Washington University, St. Louis, MO, USA; Department of Mechanical Engineering and Materials Science, Washington University, St. Louis, MO, USA
| | - Guy M Genin
- NSF Science and Technology Center for Engineering Mechanobiology, Washington University, St. Louis, MO, USA; Department of Mechanical Engineering and Materials Science, Washington University, St. Louis, MO, USA.
| | - Silviya P Zustiak
- NSF Science and Technology Center for Engineering Mechanobiology, Washington University, St. Louis, MO, USA; Department of Biomedical Engineering, School of Science and Engineering, Saint Louis University, St. Louis, MO, USA.
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19
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Diagnosis of Fibrotic Hypersensitivity Pneumonitis: Is There a Role for Biomarkers? Life (Basel) 2023; 13:life13020565. [PMID: 36836922 PMCID: PMC9966605 DOI: 10.3390/life13020565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 01/31/2023] [Accepted: 02/03/2023] [Indexed: 02/19/2023] Open
Abstract
Hypersensitivity pneumonitis is a complex interstitial lung syndrome and is associated with significant morbimortality, particularly for fibrotic disease. This condition is characterized by sensitization to a specific antigen, whose early identification is associated with improved outcomes. Biomarkers measure objectively biologic processes and may support clinical decisions. These tools evolved to play a crucial role in the diagnosis and management of a wide range of human diseases. This is not the case, however, with hypersensitivity pneumonitis, where there is still great room for research in the path to find consensual diagnostic biomarkers. Gaps in the current evidence include lack of validation, validation against healthy controls alone, small sampling and heterogeneity in diagnostic and classification criteria. Furthermore, discriminatory accuracy is currently limited by overlapping mechanisms of inflammation, damage and fibrogenesis between ILDs. Still, biomarkers such as BAL lymphocyte counts and specific serum IgGs made their way into clinical guidelines, while others including KL-6, SP-D, YKL-40 and apolipoproteins have shown promising results in leading centers and have potential to translate into daily practice. As research proceeds, it is expected that the emergence of novel categories of biomarkers will offer new and thriving tools that could complement those currently available.
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20
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Martinovic D, Tokic D, Usljebrka M, Lupi-Ferandin S, Cigic L, Vanjaka Rogosic L, Ercegovic S, Kontic M, Kumrić M, Rusic D, Vilovic M, Leskur M, Bozic J. The Association between the Level of Advanced Glycation End Products and Objective Skin Quality Parameters. Life (Basel) 2023; 13:life13020256. [PMID: 36836618 PMCID: PMC9961659 DOI: 10.3390/life13020256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/13/2023] [Accepted: 01/14/2023] [Indexed: 01/18/2023] Open
Abstract
Advanced glycation end products (AGEs) represent an endogenously produced or exogenously derived group of compounds derived from nonenzymatic glycation. Recent experimental studies are suggesting that AGEs could play an important role in the skin's quality and its aging process. Hence, the aim of this study was to clinically evaluate the AGEs and skin quality parameters across different age groups in the general population. The study included 237 participants. Melanin, erythema, hydration, friction and transepidermal water loss (TEWL) were evaluated using noninvasive probes, while AGEs were evaluated using a skin autofluorescence reader. There was a significant positive correlation between AGEs and the amount of melanin (p < 0.001), erythema (p < 0.001) and TEWL (p < 0.001), while there was a significant negative correlation between AGEs and hydration (p < 0.001) and friction (p < 0.001). After dividing the sample into three groups depending on their age, in all three groups, there was a significant positive correlation between AGEs and the melanin count (p < 0.001) and TEWL (p < 0.001), while there was a significant negative correlation between AGEs and skin hydration (p < 0.001). Multiple linear regression analysis showed that the level of AGEs as a dependent variable retained a significant association with age (p < 0.001), melanin (p < 0.001), erythema (p = 0.005) and TEWL (p < 0.001) as positive predictors. Moreover, AGEs retained a significant association with skin hydration (p < 0.001) and friction (p = 0.017) as negative predictors. These outcomes imply that AGEs could be linked with the complex physiology of the skin and its aging process.
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Affiliation(s)
- Dinko Martinovic
- Department of Maxillofacial Surgery, University Hospital of Split, 21000 Split, Croatia
| | - Daria Tokic
- Department of Anesthesiology and Intensive Care, University Hospital of Split, 21000 Split, Croatia
| | - Mislav Usljebrka
- Department of Maxillofacial Surgery, University Hospital of Split, 21000 Split, Croatia
| | - Slaven Lupi-Ferandin
- Department of Maxillofacial Surgery, University Hospital of Split, 21000 Split, Croatia
| | - Livia Cigic
- Department of Maxillofacial Surgery, University Hospital of Split, 21000 Split, Croatia
| | - Lucija Vanjaka Rogosic
- Department of Dermatovenerology, University of Split School of Medicine, 21000 Split, Croatia
- Private Dermatovenerology Clinic, 21000 Split, Croatia
| | - Sasa Ercegovic
- Department of Maxillofacial Surgery, University Hospital of Split, 21000 Split, Croatia
| | - Mirko Kontic
- Department of Otorhinolaryngology, University Hospital of Split, 21000 Split, Croatia
| | - Marko Kumrić
- Department of Pathophysiology, University of Split School of Medicine, 21000 Split, Croatia
| | - Doris Rusic
- Department of Pharmacy, University of Split School of Medicine, 21000 Split, Croatia
| | - Marino Vilovic
- Department of Pharmacy, University of Split School of Medicine, 21000 Split, Croatia
| | - Mateo Leskur
- Department of Pathophysiology, University of Split School of Medicine, 21000 Split, Croatia
| | - Josko Bozic
- Department of Pathophysiology, University of Split School of Medicine, 21000 Split, Croatia
- Correspondence: ; Tel.: +385-21-557-871; Fax: +385-21-557-905
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21
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Vaez M, Asgari M, Hirvonen L, Bakir G, Khattignavong E, Ezzo M, Aguayo S, Schuh CM, Gough K, Bozec L. Modulation of the biophysical and biochemical properties of collagen by glycation for tissue engineering applications. Acta Biomater 2023; 155:182-198. [PMID: 36435437 DOI: 10.1016/j.actbio.2022.11.033] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 11/08/2022] [Accepted: 11/16/2022] [Indexed: 11/25/2022]
Abstract
The structural and functional properties of collagen are modulated by the presence of intramolecular and intermolecular crosslinks. Advanced Glycation End-products (AGEs) can produce intermolecular crosslinks by bonding the free amino groups of neighbouring proteins. In this research, the following hypothesis is explored: The accumulation of AGEs in collagen decreases its proteolytic degradation rates while increasing its stiffness. Fluorescence Lifetime Imaging (FLIM) and Fourier-transform infrared spectroscopy (FTIR) detect biochemical changes in collagen scaffolds during the glycation process. The accumulation of AGEs increases exponentially in the collagen scaffolds as a function of Methylglyoxal (MGO) concentration by performing autofluorescence measurement and competitive ELISA. Glycated scaffolds absorb water at a much higher rate confirming the direct affinity between AGEs and interstitial water within collagen fibrils. In addition, the topology of collagen fibrils as observed by Atomic Force Microscopy (AFM) is a lot more defined following glycation. The elastic modulus of collagen fibrils decreases as a function of glycation, whereas the elastic modulus of collagen scaffolds increases. Finally, the enzymatic degradation of collagen by bacterial collagenase shows a sigmoidal pattern with a much slower degradation rate in the glycated scaffolds. This study identifies unique variations in the properties of collagen following the accumulation of AGEs. STATEMENT OF SIGNIFICANCE: In humans, Advanced Glycation End-products (AGEs) are naturally produced as a result of aging process. There is an evident lack of knowledge in the basic science literature explaining the biomechanical impact of AGE-mediated crosslinks on the functional and structural properties of collagen at both the nanoscale (single fibrils) and mesoscale (bundles of fibrils). This research, demonstrates how it is possible to harness this natural phenomenon in vitro to enhance the properties of engineered collagen fibrils and scaffolds. This study identifies unique variations in the properties of collagen at nanoscale and mesoscale following accumulation of AGEs. In their approach, they investigate the unique properties conferred to collagen, namely enhanced water sorption, differential elastic modulus, and finally sigmoidal proteolytic degradation behavior.
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Affiliation(s)
- Mina Vaez
- Faculty of Dentistry, University of Toronto, Toronto, Canada.
| | - Meisam Asgari
- Department of Mechanical Engineering, McGill University, Montreal, Canada
| | - Liisa Hirvonen
- Centre for Microscopy, Characterisation & Analysis, University of Western Australia, Perth, Australia
| | - Gorkem Bakir
- Department of Chemistry, University of Manitoba, Winnipeg, Canada
| | | | - Maya Ezzo
- Faculty of Dentistry, University of Toronto, Toronto, Canada
| | - Sebastian Aguayo
- Dentistry School, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile; Institute for Biological and Medical Engineering, Schools of Engineering, Medicine and Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Christina M Schuh
- Centro de Medicina Regenerativa, Facultad de Medicina Clínica Alemana-Universidad del Desarrollo, Santiago, Chile
| | - Kathleen Gough
- Department of Chemistry, University of Manitoba, Winnipeg, Canada
| | - Laurent Bozec
- Faculty of Dentistry, University of Toronto, Toronto, Canada
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22
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Zebaze R, Ebeling PR. Disorganization and Musculoskeletal Diseases: Novel Insights into the Enigma of Unexplained Bone Abnormalities and Fragility Fractures. Curr Osteoporos Rep 2022; 21:154-166. [PMID: 36494594 DOI: 10.1007/s11914-022-00759-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/31/2022] [Indexed: 12/14/2022]
Abstract
PURPOSE OF REVIEW Describe the potential contribution of disorganized tissue to the pathogenesis of bone abnormalities and fractures. Especially, fractures that are unexplained by bone loss (osteoporosis) or structural deterioration. RECENT FINDINGS Currently, bone fragility is primarily viewed as due to loss, or decay (osteoporosis). However, it is also acknowledged that this view is limited because it does not explain many fractures or abnormalities such as necrosis, sclerosis, or infarcts. Atypical femoral fractures (AFFs) during antiresorptive therapy are an example. Hence, it is proposed that another distinct mechanism is responsible for bone diseases. A remarkable bone property distinct from mass and decay is the organization (arrangement) of its components. Components must be perfectly assembled or well-stacked to ensure "the right amount of bone, at the right place". Disorganization is an aberration that is conspicuous in many diseases, more so in conditions poorly associated with bone mass and decay such as osteogenesis imperfecta, hypophosphatasia, and AFFs. However, despite the likely critical role of disorganization, this feature has received limited clinical attention. This review focuses on the potential contribution of disorganization to bone in health and diseases. Particularly, we propose that disorganization, by causing ineffective transfer of loads, may produce not only bone abnormalities (pain, necrosis, infarct, sclerosis, delayed healing) but also fractures, especially AFFs or stress fractures. A disorganized element is one that is where it shouldn't be (improperly stacked elements). Hence, disorganization can be measured by quantifying the extent to which a tissue (pixel within an image) is at an incorrect location.
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Affiliation(s)
- Roger Zebaze
- Department of Medicine, School of Clinical Sciences, Monash University, Level 5, Block E, Monash Medical Centre, 246 Clayton Road, Clayton, Victoria, 3168, Australia.
| | - Peter Robert Ebeling
- Department of Medicine, School of Clinical Sciences, Monash University, Level 5, Block E, Monash Medical Centre, 246 Clayton Road, Clayton, Victoria, 3168, Australia
- Department of Endocrinology, Monash Health, Clayton, Victoria, Australia
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23
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Mellody KT, Bradley EJ, Mambwe B, Cotterell L, Kiss O, Halai P, Loftus Z, Bell M, Griffiths TW, Griffiths CEM, Watson REB. Multifaceted amelioration of cutaneous photoageing by (0.3%) retinol. Int J Cosmet Sci 2022; 44:625-635. [PMID: 35778881 PMCID: PMC9826105 DOI: 10.1111/ics.12799] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 06/21/2022] [Accepted: 06/28/2022] [Indexed: 01/11/2023]
Abstract
BACKGROUND Although retinol skin care products improve the appearance of photoaged skin, there is a need for an effective retinol concentration that provides skin benefits without irritation. OBJECTIVE To compare the efficacy of topical 0.1%, 0.3% and 1% retinol in remodelling the cutaneous architecture in an in vivo experimental patch test study, and to determine tolerance of the most effective formulations when used in a daily in-use escalation study. METHODS For the patch test study, retinol products were applied under occlusion, to the extensor forearm of photoaged volunteers (n = 5; age range 66-84 years), and 3 mm skin biopsies obtained after 12 days. Effects of different retinol concentrations, and a vehicle control, on key epidermal and dermal biomarkers of cellular proliferation and dermal remodelling were compared to untreated baseline. Separately, participants (n = 218) recorded their tolerance to 0.3% or 1% retinol over a six-week, approved regimen, which gradually increased the facial applications to once nightly. RESULTS Retinol treatment induced a stepwise increase in epidermal thickness and induced the expression of stratum corneum proteins, filaggrin and KPRP. 0.3% retinol and 1% retinol were comparably effective at inducing keratinocyte proliferation in the epidermis, whilst reducing e-cadherin expression. Fibrillin-rich microfibril deposition was increased following treatment with 0.3% and 1% retinol (p < 0.01); other dermal components remained unaltered (e.g., fibronectin, collagen fibrils, elastin), and no evidence of local inflammation was detected. The in-use study found that 0.3% retinol was better tolerated than 1% retinol, with fewer and milder adverse events reported (χ2 (1) = 23.97; p < 0.001). CONCLUSIONS This study suggests that 1% and 0.3% retinol concentrations were similarly effective at remodelling photodamaged skin in an in vivo model of long-term use. Use of 0.3% retinol in the escalation study was associated with fewer adverse reactions when applied daily. Hence, 0.3% retinol may be better tolerated than 1% retinol, thereby allowing longer-term topical application.
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Affiliation(s)
- Kieran T. Mellody
- Centre for Dermatology ResearchThe University of Manchester & Salford Royal NHS Foundation Trust, Manchester Academic Health Science CentreManchesterUK,Manchester Institute for Collaborative Research on AgeingUniversity of ManchesterManchesterUK
| | | | - Bezaleel Mambwe
- Centre for Dermatology ResearchThe University of Manchester & Salford Royal NHS Foundation Trust, Manchester Academic Health Science CentreManchesterUK
| | - Lindsay F. Cotterell
- Centre for Dermatology ResearchThe University of Manchester & Salford Royal NHS Foundation Trust, Manchester Academic Health Science CentreManchesterUK,Manchester Institute for Collaborative Research on AgeingUniversity of ManchesterManchesterUK
| | - Orsolya Kiss
- Centre for Dermatology ResearchThe University of Manchester & Salford Royal NHS Foundation Trust, Manchester Academic Health Science CentreManchesterUK,Manchester Institute for Collaborative Research on AgeingUniversity of ManchesterManchesterUK
| | - Poonam Halai
- Centre for Dermatology ResearchThe University of Manchester & Salford Royal NHS Foundation Trust, Manchester Academic Health Science CentreManchesterUK,Manchester Institute for Collaborative Research on AgeingUniversity of ManchesterManchesterUK
| | - Zeena Loftus
- No7 Beauty CompanyWalgreens Boots AllianceNottinghamUK
| | - Mike Bell
- No7 Beauty CompanyWalgreens Boots AllianceNottinghamUK
| | - Tamara W. Griffiths
- Centre for Dermatology ResearchThe University of Manchester & Salford Royal NHS Foundation Trust, Manchester Academic Health Science CentreManchesterUK,Manchester Institute for Collaborative Research on AgeingUniversity of ManchesterManchesterUK
| | - Christopher E. M. Griffiths
- Centre for Dermatology ResearchThe University of Manchester & Salford Royal NHS Foundation Trust, Manchester Academic Health Science CentreManchesterUK,Manchester Institute for Collaborative Research on AgeingUniversity of ManchesterManchesterUK,NIHR Manchester Biomedical Research CentreManchester University NHS Foundation Trust, Manchester Academic Health Science CentreManchesterUK
| | - Rachel E. B. Watson
- Centre for Dermatology ResearchThe University of Manchester & Salford Royal NHS Foundation Trust, Manchester Academic Health Science CentreManchesterUK,Manchester Institute for Collaborative Research on AgeingUniversity of ManchesterManchesterUK,NIHR Manchester Biomedical Research CentreManchester University NHS Foundation Trust, Manchester Academic Health Science CentreManchesterUK
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24
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Choi JH, Kim HR, Song KH. Musculoskeletal complications in patients with diabetes mellitus. Korean J Intern Med 2022; 37:1099-1110. [PMID: 36300322 PMCID: PMC9666255 DOI: 10.3904/kjim.2022.168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Accepted: 06/16/2022] [Indexed: 11/27/2022] Open
Abstract
Musculoskeletal conditions are common in patients with diabetes. Several musculoskeletal disorders are viewed as chronic complications of diabetes because epidemiological studies have revealed high correlations between such complications and diabetes, but the pathophysiological links with diabetes remains unclear. Genetic predispositions, shared risk factors, microvascular impairments, progressive accumulation of advanced glycation end-products, and diabetic neuropathy may underlie the development of musculoskeletal disorders. Musculoskeletal complications of diabetics have received less attention than life-threatening microvascular or macrovascular complications. Here, we review several diabetic musculoskeletal complications with a focus on the clinical importance of early recognition and management, which would improve quality of life and physical function.
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Affiliation(s)
- Jong Han Choi
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Konkuk University School of Medicine, Seoul,
Korea
| | - Hae-Rim Kim
- Division of Rheumatology, Department of Internal Medicine, Konkuk University School of Medicine, Seoul,
Korea
| | - Kee-Ho Song
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Konkuk University School of Medicine, Seoul,
Korea
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25
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Willett TL, Voziyan P, Nyman JS. Causative or associative: A critical review of the role of advanced glycation end-products in bone fragility. Bone 2022; 163:116485. [PMID: 35798196 PMCID: PMC10062699 DOI: 10.1016/j.bone.2022.116485] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 06/27/2022] [Accepted: 06/29/2022] [Indexed: 11/02/2022]
Abstract
The accumulation of advanced glycation end-products (AGEs) in the organic matrix of bone with aging and chronic disease such as diabetes is thought to increase fracture risk independently of bone mass. However, to date, there has not been a clinical trial to determine whether inhibiting the accumulation of AGEs is effective in preventing low-energy, fragility fractures. Moreover, unlike with cardiovascular or kidney disease, there are also no pre-clinical studies demonstrating that AGE inhibitors or breakers can prevent the age- or diabetes-related decrease in the ability of bone to resist fracture. In this review, we critically examine the case for a long-standing hypothesis that AGE accumulation in bone tissue degrades the toughening mechanisms by which bone resists fracture. Prior research into the role of AGEs in bone has primarily measured pentosidine, an AGE crosslink, or bulk fluorescence of hydrolysates of bone. While significant correlations exist between these measurements and mechanical properties of bone, multiple AGEs are both non-fluorescent and non-crosslinking. Since clinical studies are equivocal on whether circulating pentosidine is an indicator of elevated fracture risk, there needs to be a more complete understanding of the different types of AGEs including non-crosslinking adducts and multiple non-enzymatic crosslinks in bone extracellular matrix and their specific contributions to hindering fracture resistance (biophysical and biological). By doing so, effective strategies to target AGE accumulation in bone with minimal side effects could be investigated in pre-clinical and clinical studies that aim to prevent fragility fractures in conditions that bone mass is not the underlying culprit.
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Affiliation(s)
- Thomas L Willett
- Biomedical Engineering Program, Systems Design Engineering, University of Waterloo, Waterloo, Ontario, Canada.
| | - Paul Voziyan
- Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Jeffry S Nyman
- Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, TN 37232, USA; Department of Veterans Affairs, Tennessee Valley Healthcare System, Nashville, TN 37212, USA.
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26
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Vasudevan J, Jiang K, Fernandez J, Lim CT. Extracellular matrix mechanobiology in cancer cell migration. Acta Biomater 2022; 163:351-364. [PMID: 36243367 DOI: 10.1016/j.actbio.2022.10.016] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 09/11/2022] [Accepted: 10/06/2022] [Indexed: 11/01/2022]
Abstract
The extracellular matrix (ECM) is pivotal in modulating tumor progression. Besides chemically stimulating tumor cells, it also offers physical support that orchestrates the sequence of events in the metastatic cascade upon dynamically modulating cell mechanosensation. Understanding this translation between matrix biophysical cues and intracellular signaling has led to rapid growth in the interdisciplinary field of cancer mechanobiology in the last decade. Substantial efforts have been made to develop novel in vitro tumor mimicking platforms to visualize and quantify the mechanical forces within the tissue that dictate tumor cell invasion and metastatic growth. This review highlights recent findings on tumor matrix biophysical cues such as fibrillar arrangement, crosslinking density, confinement, rigidity, topography, and non-linear mechanics and their implications on tumor cell behavior. We also emphasize how perturbations in these cues alter cellular mechanisms of mechanotransduction, consequently enhancing malignancy. Finally, we elucidate engineering techniques to individually emulate the mechanical properties of tumors that could help serve as toolkits for developing and testing ECM-targeted therapeutics on novel bioengineered tumor platforms. STATEMENT OF SIGNIFICANCE: Disrupted ECM mechanics is a driving force for transitioning incipient cells to life-threatening malignant variants. Understanding these ECM changes can be crucial as they may aid in developing several efficacious drugs that not only focus on inducing cytotoxic effects but also target specific matrix mechanical cues that support and enhance tumor invasiveness. Designing and implementing an optimal tumor mimic can allow us to predictively map biophysical cue-modulated cell behaviors and facilitate the design of improved lab-grown tumor models with accurately controlled structural features. This review focuses on the abnormal changes within the ECM during tumorigenesis and its implications on tumor cell-matrix mechanoreciprocity. Additionally, it accentuates engineering approaches to produce ECM features of varying levels of complexity which is critical for improving the efficiency of current engineered tumor tissue models.
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27
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Markiewicz E, Jerome J, Mammone T, Idowu OC. Anti-Glycation and Anti-Aging Properties of Resveratrol Derivatives in the in-vitro 3D Models of Human Skin. Clin Cosmet Investig Dermatol 2022; 15:911-927. [PMID: 35615726 PMCID: PMC9126233 DOI: 10.2147/ccid.s364538] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 05/03/2022] [Indexed: 01/03/2023]
Abstract
Purpose Human skin undergoes modifications affecting its structural properties and barrier functions involved in protection against age-related damage. Glycation is a non-enzymatic reaction between macromolecules and sugars causing alterations to the elastic fibers and premature aging of the skin. Glycation can be prevented by a range of bioactive molecules; however, at present only a few of them are validated for inclusion in cosmetic products. There is also a demand for reproducible in-vitro assays demonstrating the anti-aging effect of compounds on the skin. This study aimed to define the potential targets for screening and validation of anti-glycation activity of novel cosmetic candidates from natural products and to provide a plausible mechanism for their anti-aging potential based on 3D skin models. Methods Dermal fibroblasts and 3D skin models were treated with glycation agent and topical applications of Resveratrol derivatives. The samples were analyzed for advanced glycation end products (AGEs) alongside an organization of elastic fibers and expression of proliferative, senescence, and oxidative stress markers by autofluorescence, immunocytochemistry and quantitative assays. Results Accumulation of AGEs in the 3D skin model is associated with reduced stratification of the epidermis and re-organization of the collagen in the upper, cell-dense layer of the dermis. Treatment of dermal fibroblasts with Resveratrol, OxyResveratrol, Piceatannol, and Triacetyl Resveratrol ameliorates the effects of glycation consistent with cellular aging. Subsequent topical application of the compounds in skin models results in a reduction in glycation-induced AGEs, an increase in collagen expression and a stratification of the epidermis. Conclusion Glycation could result in age-related alterations in the structural and cellular organizations of the superficial layers of the skin, which can be restored by Resveratrol derivatives, pointing to their promising capacities as bioactive ingredients in cosmetic products. Insight into the potential parameters affected by skin glycation could also serve as a reference for screening the bioactive molecules for cosmetic purposes.
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Affiliation(s)
- Ewa Markiewicz
- Hexis Lab Limited, The Catalyst, Newcastle Helix, Newcastle upon Tyne, UK
| | - Jaimie Jerome
- Estee Lauder Research Laboratories, Melville, NY, USA
| | | | - Olusola C Idowu
- Hexis Lab Limited, The Catalyst, Newcastle Helix, Newcastle upon Tyne, UK
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28
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Yoon S, Kim M, Shin S, Woo J, Son D, Ryu D, Yoo J, Park D, Jung E. Effect of Cirsium japonicum Flower Extract on Skin Aging Induced by Glycation. Molecules 2022; 27:molecules27072093. [PMID: 35408493 PMCID: PMC9000855 DOI: 10.3390/molecules27072093] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 03/21/2022] [Accepted: 03/22/2022] [Indexed: 02/01/2023] Open
Abstract
Advanced glycation end products (AGEs) have recently been increasingly discussed as one factor of skin aging. In this study, we investigated the effects of Cirsium japonicum flower (CFE) extract on glycation in relation to skin aging and skin elasticity. Moreover, we learned the main active constituent of CFE that has effects against glycation. To demonstrate the effects of CFE on glycation, we carried out an in vitro glycation study, 3-dimensional culture, and clinical study. As a result, CFE inhibited formation of AGEs in both bovine serum albumin (BSA)/glucose glycation system and aldehyde-derived glycation system. Moreover, CFE reduced Nε-(carboxymethyl), lysine (CML), and carbonylated proteins that increased by glycation. Furthermore, CFE broke crosslinks of collagen–AGEs and inhibited the increase of matrix metalloproteinase-1 (MMP-1) gene expression by AGEs. In the 3D culture condition, CFE restored the reduction of collagen gel contraction by glycation. Moreover, apigenin was detected as the main active constituent in CFE that has anti-glycation effects. In the clinical study, we confirmed that CFE has effects on skin wrinkles and skin elasticity. Our findings suggest that CFE can be used as a cosmetic or cosmeceutical ingredient for improving skin elasticity and wrinkles. Regulation of AGEs can be an interesting target for anti-aging.
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29
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The Association between Accumulation of Toxic Advanced Glycation End-Products and Cytotoxic Effect in MC3T3-E1 Cells. Nutrients 2022; 14:nu14050990. [PMID: 35267965 PMCID: PMC8912344 DOI: 10.3390/nu14050990] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 02/22/2022] [Accepted: 02/24/2022] [Indexed: 02/01/2023] Open
Abstract
In diabetic patients, the metabolism of excess glucose increases the toxicity of the aldehyde group of sugar. Aldehydes, including glyceraldehyde (GA), react with intracellular proteins to form advanced glycation end-products (AGEs), which deteriorate bone quality and cause osteoporosis. One of the causes of osteoporotic fractures is impaired osteoblast osteogenesis; however, the cytotoxic effects of aldehydes and the subsequent formation of AGEs in osteoblasts have not yet been examined in detail. Therefore, the present study investigated the cytotoxicity of intracellular GA and GA-derived AGEs, named toxic AGEs (TAGE), in the mouse osteoblastic cell line MC3T3-E1. Treatment with GA induced MC3T3-E1 cell death, which was accompanied by TAGE modifications in several intracellular proteins. Furthermore, the downregulated expression of Runx2, a transcription factor essential for osteoblast differentiation, and collagen correlated with the accumulation of TAGE. The GA treatment also reduced the normal protein levels of collagen in cells, suggesting that collagen may be modified by TAGE and form an abnormal structure. Collectively, the present results show for the first time that GA and TAGE exert cytotoxic effects in osteoblasts, inhibit osteoblastic differentiation, and decrease the amount of normal collagen. The suppression of GA production and associated accumulation of TAGE has potential as a novel therapeutic target for osteoporosis under hyperglycemic conditions.
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30
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Costello L, Dicolandrea T, Tasseff R, Isfort R, Bascom C, von Zglinicki T, Przyborski S. Tissue engineering strategies to bioengineer the ageing skin phenotype in vitro. Aging Cell 2022; 21:e13550. [PMID: 35037366 PMCID: PMC8844123 DOI: 10.1111/acel.13550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/14/2021] [Accepted: 12/29/2021] [Indexed: 11/29/2022] Open
Abstract
Human skin ageing is a complex and heterogeneous process, which is influenced by genetically determined intrinsic factors and accelerated by cumulative exposure to extrinsic stressors. In the current world ageing demographic, there is a requirement for a bioengineered ageing skin model, to further the understanding of the intricate molecular mechanisms of skin ageing, and provide a distinct and biologically relevant platform for testing actives and formulations. There have been many recent advances in the development of skin models that recapitulate aspects of the ageing phenotype in vitro. This review encompasses the features of skin ageing, the molecular mechanisms that drive the ageing phenotype, and tissue engineering strategies that have been utilised to bioengineer ageing skin in vitro.
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Affiliation(s)
| | | | - Ryan Tasseff
- Procter and Gamble Mason Business Center Cincinnati Ohio USA
| | - Robert Isfort
- Procter and Gamble Mason Business Center Cincinnati Ohio USA
| | - Charlie Bascom
- Procter and Gamble Mason Business Center Cincinnati Ohio USA
| | - Thomas von Zglinicki
- Institute for Cell and Molecular Sciences Newcastle University Newcastle Upon Tyne UK
| | - Stefan Przyborski
- Department of Biosciences Durham University Durham UK
- Reprocell Europe Glasgow, Durham UK
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31
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Reis M, Alania Y, Leme-Kraus A, Free R, Joester D, Ma W, Irving T, Bedran-Russo AK. The stoic tooth root: how the mineral and extracellular matrix counterbalance to keep aged dentin stable. Acta Biomater 2022; 138:351-360. [PMID: 34740855 PMCID: PMC8815755 DOI: 10.1016/j.actbio.2021.10.051] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 10/25/2021] [Accepted: 10/28/2021] [Indexed: 01/17/2023]
Abstract
Aging is a physiological process with profound impact on the biology and function of biosystems, including the human dentition. While resilient, human teeth undergo wear and disease, affecting overall physical, psychological, and social human health. However, the underlying mechanisms of tooth aging remain largely unknown. Root dentin is integral to tooth function in that it anchors and dissipates mechanical load stresses of the tooth-bone system. Here, we assess the viscoelastic behavior, composition, and ultrastructure of young and old root dentin using nano-dynamic mechanical analysis, micro-Raman spectroscopy, small angle X-ray scattering, atomic force and transmission electron microscopies. We find that the root dentin overall stiffness increases with age. Unlike other mineralized tissues and even coronal dentin, however, the ability of root dentin to dissipate energy during deformation does not decay with age. Using a deconstruction method to dissect the contribution of mineral and organic matrix, we find that the damping factor of the organic matrix does deteriorate. Compositional and ultrastructural analyses revealed higher mineral-to-matrix ratio, altered enzymatic and non-enzymatic collagen cross-linking, increased collagen d-spacing and fibril diameter, and decreased abundance of proteoglycans and sulfation pattern of glycosaminoglycans . Therefore, even in the absence of remodeling, the extracellular matrix of root dentin shares traits of aging with other tissues. To explain this discrepancy, we propose that altered matrix-mineral interactions, possibly mediated by carbonate ions sequestered at the mineral interface and/or altered glycosaminoglycans counteract the deleterious effects of aging on the structural components of the extracellular matrix. STATEMENT OF SIGNIFICANCE: Globally, a quarter of the population will be over 65 years old by 2050. Because many will retain their dentition, it will become increasingly important to understand and manage how aging affects teeth. Dentin is integral to the protective, biomechanical, and regenerative features of teeth. Here, we demonstrate that older root dentin not only has altered mechanical properties, but shows characteristic shifts in mineralization, composition, and post-translational modifications of the matrix. This strongly suggests that there is a mechanistic link between mineral and matrix components to the biomechanical performance of aging dentin with implications for efforts to slow or even reverse the aging process.
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Affiliation(s)
- Mariana Reis
- Department of General Dental Sciences, Marquette University, Milwaukee, WI, USA,Department of Restorative Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - Yvette Alania
- Department of General Dental Sciences, Marquette University, Milwaukee, WI, USA,Department of Restorative Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - Ariene Leme-Kraus
- Department of Restorative Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - Robert Free
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, USA
| | - Derk Joester
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, USA
| | - Weikang Ma
- Department of Biological Sciences, Illinois Institute of Technology. Chicago, IL, USA
| | - Thomas Irving
- Department of Biological Sciences, Illinois Institute of Technology. Chicago, IL, USA
| | - Ana K. Bedran-Russo
- Department of General Dental Sciences, Marquette University, Milwaukee, WI, USA,Department of Restorative Dentistry, University of Illinois at Chicago, Chicago, IL, USA
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32
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Collagen-Derived Peptides in CKD: A Link to Fibrosis. Toxins (Basel) 2021; 14:toxins14010010. [PMID: 35050988 PMCID: PMC8781252 DOI: 10.3390/toxins14010010] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 12/07/2021] [Accepted: 12/17/2021] [Indexed: 02/06/2023] Open
Abstract
Collagen is a major component of the extracellular matrix (ECM) and has an imminent role in fibrosis, in, among others, chronic kidney disease (CKD). Collagen alpha-1(I) (col1a1) is the most abundant collagen type and has previously been underlined for its contribution to the disease phenotype. Here, we examined 5000 urinary peptidomic datasets randomly selected from healthy participants or patients with CKD to identify urinary col1a1 fragments and study their abundance, position in the main protein, as well as their correlation with renal function. We identified 707 col1a1 peptides that differed in their amino acid sequence and/or post-translational modifications (hydroxyprolines). Well-correlated peptides with the same amino acid sequence, but a different number of hydroxyprolines, were combined into a final list of 503 peptides. These 503 col1a1 peptides covered 69% of the full col1a1 sequence. Sixty-three col1a1 peptides were significantly and highly positively associated (rho > +0.3) with the estimated glomerular filtration rate (eGFR), while only six peptides showed a significant and strong, negative association (rho < −0.3). A similar tendency was observed for col1a1 peptides associated with ageing, where the abundance of most col1a1 peptides decreased with increasing age. Collectively the results show a strong association between collagen peptides and loss of kidney function and suggest that fibrosis, potentially also of other organs, may be the main consequence of an attenuation of collagen degradation, and not increased synthesis.
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Comparative Analysis of Collagen-Containing Waste Biodegradation, Amino Acid, Peptide and Carbohydrate Composition of Hydrolysis Products. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app112311511] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This paper aimed to study the biodegradation of collagen-containing waste (pork skin) induced by collagenase and Neutrase 1.5 MG enzymes and compare the amino acid, peptide, and carbohydrate composition of hydrolysis products. It was found that the degree of biodegradation of collagen-containing raw materials (pork skin) reached 78% when using an enzyme preparation (collagenase with a concentration of 250 U/g of the substrate) at pH 7.0, 40 °C, and a 360 min process duration. It was shown that the content of peptides with a molecular weight of 6.5–14.0 kDa in the hydrolysis products (collagenase) of collagen-containing wastes was 13.4 ± 0.40%, while in the products of hydrolysis (Neutrase 1.5 MG) it was 12.8 ± 0.38%. The study found that the hydrolysis products (Neutrase 1.5 MG) of collagen-containing raw materials contain fewer hexoses, free hexosamines, and hyaluronic acid than the hydrolysis products (collagenase) of collagen-containing raw materials. The content of chondroitin sulfates is practically the same in all samples of hydrolysis products. Proteases with collagenolytic activity are widely used in industry. Recently, they have increasingly been used in pharmaceutical, food, and other industries. Collagenases are promising enzymes for the production of chondroprotectors used for the treatment of osteoarthritis.
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Inhibition of Advanced Glycation End Product Formation in Rat Tail Tendons by Polydatin and p-Coumaric acid: an In Vitro Study. Appl Biochem Biotechnol 2021; 194:339-353. [PMID: 34855112 DOI: 10.1007/s12010-021-03762-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 11/08/2021] [Indexed: 12/22/2022]
Abstract
Advanced glycation end products (AGEs) formed through non-enzymatic glycosylation between a protein and sugar molecule are highly harmful to the human body. In hyperglycemic patients, AGE formation is more due to high glucose circulating in the blood, causing inter and intra molecular cross-linking of collagen leading to reduction of collagen elasticity. This cross-linked collagen develops resistance to matrix metalloproteinases leading to impaired collagen turnover. The aim of this work is to determine the anti-glycation effects of polydatin and p-coumaric acid in preventing collagen cross-linking by incubating rat tail tendons (RTTs) as collagen source in high glucose concentration (50 mM) for a week. The RTTs were then characterized for tensile strength, cross-linking efficiency, circular dichroism spectrometry, collagen, glucose, and aldehyde contents. Electrophoresis was carried out to evaluate the level of cross-linking in collagen and the results confirmed the ability of the drugs in preventing complex intermolecular cross-link formation induced by non-enzymatic glycosylation. CD data showed alteration in the secondary structure of collagen where AGE formation had occurred. More collagen was extracted by pepsin from RTTs treated with glucose alone (6.88 mg/10 mg tendon) when compared with drug-treated groups (4.25, 2.56 mg/10 mg tendon for polydatin and p-coumaric acid, respectively). Tensile strength (20.66% and 18.95%), cross-linking percentage (32.5% and 29.84%), and glucose content (2.3 and 1.8 mg/100 mg) of drug-treated groups were similar to the positive control (19.07%, 30.13%, and 2.61 mg/100 mg) thus proving the anti-glycation potential of the drugs. Hence, both polydatin and p-coumaric acid could play a pivotal role in preventing AGE formation.
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Muir R, Forbes S, Birch DJS, Vyshemirsky V, Rolinski OJ. Collagen Glycation Detected by Its Intrinsic Fluorescence. J Phys Chem B 2021; 125:11058-11066. [PMID: 34555903 PMCID: PMC8793138 DOI: 10.1021/acs.jpcb.1c05001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
![]()
Collagen’s long half-life
(in skin approximately 10 years)
makes this protein highly susceptible to glycation and formation of
the advanced glycation end products (AGEs). Accumulation of cross-linking
AGEs in the skin collagen has several detrimental effects; thus, the
opportunity for non-invasive monitoring of skin glycation is essential,
especially for diabetic patients. In this paper, we report using the
time-resolved intrinsic fluorescence of collagen as a biomarker of
its glycation. Contrary to the traditional fluorescence intensity
decay measurement at the arbitrarily selected excitation and detection
wavelengths, we conducted systematic wavelength- and time-resolved
measurements to achieve time-resolved emission spectra. Changes in
the intrinsic fluorescence kinetics, caused by both collagen aggregation
and glycation, have been detected.
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Affiliation(s)
- Rhona Muir
- Photophysics Group, Department of Physics, University of Strathclyde, Scottish Universities Physics Alliance, Glasgow G4 0NG, U.K
| | - Shareen Forbes
- BHF Centre for Cardiovascular Science, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, U.K
| | - David J S Birch
- Photophysics Group, Department of Physics, University of Strathclyde, Scottish Universities Physics Alliance, Glasgow G4 0NG, U.K
| | | | - Olaf J Rolinski
- Photophysics Group, Department of Physics, University of Strathclyde, Scottish Universities Physics Alliance, Glasgow G4 0NG, U.K
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Shi L, Lu PP, Dai GC, Li YJ, Rui YF. Advanced glycation end productions and tendon stem/progenitor cells in pathogenesis of diabetic tendinopathy. World J Stem Cells 2021; 13:1338-1348. [PMID: 34630866 PMCID: PMC8474716 DOI: 10.4252/wjsc.v13.i9.1338] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 05/26/2021] [Accepted: 08/17/2021] [Indexed: 02/06/2023] Open
Abstract
Tendinopathy is a challenging complication observed in patients with diabetes mellitus. Tendinopathy usually leads to chronic pain, limited joint motion, and even ruptured tendons. Imaging and histological analyses have revealed pathological changes in various tendons of patients with diabetes, including disorganized arrangement of collagen fibers, microtears, calcium nodules, and advanced glycation end product (AGE) deposition. Tendon-derived stem/ progenitor cells (TSPCs) were found to maintain hemostasis and to participate in the reversal of tendinopathy. We also discovered the aberrant osteochondrogenesis of TSPCs in vitro. However, the relationship between AGEs and TSPCs in diabetic tendinopathy and the underlying mechanism remain unclear. In this review, we summarize the current findings in this field and hypothesize that AGEs could alter the properties of tendons in patients with diabetes by regulating the proliferation and differentiation of TSPCs in vivo.
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Affiliation(s)
- Liu Shi
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu Province, China
| | - Pan-Pan Lu
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu Province, China
| | - Guang-Chun Dai
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu Province, China
| | - Ying-Juan Li
- Department of Geriatrics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu Province, China
| | - Yun-Feng Rui
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu Province, China
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Rashid FN, Clayton ZE, Ogawa M, Perdomo J, Hume RD, Kizana E, Chong JJH. Platelet derived growth factor-A (Pdgf-a) gene transfer modulates scar composition and improves left ventricular function after myocardial infarction. Int J Cardiol 2021; 341:24-30. [PMID: 34265313 DOI: 10.1016/j.ijcard.2021.07.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 06/18/2021] [Accepted: 07/08/2021] [Indexed: 11/19/2022]
Abstract
BACKGROUND Novel therapies that can limit or reverse damage caused by myocardial infarction (MI) could ease the increasing burden of heart failure. In this regard Platelet Derived Growth Factor (PDGF) has been previously shown to contribute to cardiac repair after MI. Here, we use a rodent model of MI and recombinant adeno-associated virus 9 (rAAV9)-mediated gene transfer to overexpress Pdgf-a in the injured heart and assess its therapeutic potential. METHODS AND RESULTS Sprague Dawley rats underwent temporary occlusion of the left anterior descending coronary artery, followed immediately by systemic delivery of 1 × 10^11 vector genomes of either rAAV9 Pdgf-a or rAAV9 Empty vector (control). At day 28 post-MI echocardiography showed significantly improved left ventricular (LV) function (fractional shortening) after rAAV9 Pdgf-a (0.394 ± 0.019%) treatment vs control (0.304 ± 0.018%). Immunohistochemical analysis demonstrated significantly increased capillary and arteriolar density in the infarct border zone of rAAV9 Pdgf-a treated hearts together with a significant reduction in infarct scar size (rAAV9 Pdgf-a 6.09 ± 0.94% vs Empty 12.45 ± 0.92%). Western blot and qPCR analyses confirmed overexpression of PDGF-A and showed upregulation of smooth muscle alpha actin (Acta2), collagen type III alpha 1 (Col3a1) and lysyl oxidase (Lox) genes in rAAV9 Pdgf-a treated infarcts. CONCLUSION Overexpression of Pdgf-a in the post-MI heart can modulate scar composition and improve LV function. Our study highlights the potential of rAAV gene transfer of Pdgf-a as a cardio-reparative therapy.
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Affiliation(s)
- Fairooj N Rashid
- Centre for Heart Research, Westmead Institute for Medical Research, 176 Hawkesbury Road, Westmead 2145, NSW, Australia; The University of Sydney, Australia
| | - Zoë E Clayton
- Centre for Heart Research, Westmead Institute for Medical Research, 176 Hawkesbury Road, Westmead 2145, NSW, Australia; The University of Sydney, Australia
| | - Masahito Ogawa
- Centre for Heart Research, Westmead Institute for Medical Research, 176 Hawkesbury Road, Westmead 2145, NSW, Australia; The University of Sydney, Australia
| | - Jose Perdomo
- Haematology Research Unit, St George and Sutherland Clinical School, University of New South Wales, NSW, Australia
| | - Robert D Hume
- Centre for Heart Research, Westmead Institute for Medical Research, 176 Hawkesbury Road, Westmead 2145, NSW, Australia; The University of Sydney, Australia
| | - Eddy Kizana
- Centre for Heart Research, Westmead Institute for Medical Research, 176 Hawkesbury Road, Westmead 2145, NSW, Australia; The University of Sydney, Australia; Department of Cardiology, Westmead Hospital, Westmead 2145, NSW, Australia; Sydney Medical School, Faculty of Medicine and Health, University of Sydney, NSW, Australia
| | - James J H Chong
- Centre for Heart Research, Westmead Institute for Medical Research, 176 Hawkesbury Road, Westmead 2145, NSW, Australia; The University of Sydney, Australia; Department of Cardiology, Westmead Hospital, Westmead 2145, NSW, Australia; Sydney Medical School, Faculty of Medicine and Health, University of Sydney, NSW, Australia.
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Soydas T, Sayitoglu M, Sarac EY, Cınar S, Solakoglu S, Tiryaki T, Sultuybek GK. Metformin reverses the effects of high glucose on human dermal fibroblasts of aged skin via downregulating RELA/p65 expression. J Physiol Biochem 2021; 77:443-450. [PMID: 34129225 DOI: 10.1007/s13105-021-00823-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 06/03/2021] [Indexed: 10/21/2022]
Abstract
Metformin has been successfully used as an anti-aging agent but exact molecular mechanisms of metformin in anti-aging remain unknown. Hyperglycemia during skin aging not only causes oxidative damage to cellular macromolecules, like dermal collagen, but also modulates the activation of transcription factor nuclear factor kappa B (NF-kB). We aimed to investigate in vitro effects of high glucose (HG) and metformin treatment on proliferation and apoptosis of human primary dermal fibroblasts (HDFs), and the expression of COL1A1, COL3A1, and RELA/p65 genes. Effects of normal glucose (5.5 mM) and HG concentration (50 mM HG) on HDFs, with two doses of metformin (50 μM and 500 μM), were investigated by immunostaining. Apoptotic levels were analyzed by flow cytometry. Expression of COL1A1, COL3A1, and RELA/p65 genes was measured by quantitative real-time PCR. The proliferation of HDFs was decreased significantly (P < 0.01) and expression of COL1A1 was downregulated by HG without metformin, whereas proliferation was elevated and expression was upregulated with 500 μM metformin + HG compared to 5.5 mM glucose (P < 0.05). The expression of COL3A1 and RELA/p65 were upregulated (P < 0.01 for COL3A1), and percentage of late apoptotic cells increased significantly by HG without metformin (P < 0.001) while it decreased in two concentrations of metformin dramatically compared with 5.5 mM glucose (P < 0.01 for expressions and < 0.001 for apoptosis). Metformin not only significantly downregulated RELA/p65 expression, but also inhibited the apoptosis of HDFs from aged human skin at toxic glucose concentrations which could be inversely mediated via COL1A1 and COL3A1 expression.
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Affiliation(s)
- Tugba Soydas
- Department of Medical Biology and Genetics, Medical Faculty, Istanbul Aydin University, Istanbul, Turkey
| | - Muge Sayitoglu
- Department of Genetics, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey
| | - Elif Yaprak Sarac
- Department of Histology and Embryology Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Suzan Cınar
- Department of Immunology, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey
| | - Seyhun Solakoglu
- Department of Histology and Embryology Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Tunc Tiryaki
- Department of Plastic Surgery, Cellest Plastic Surgery Clinic, Istanbul, Turkey
| | - Gonul Kanıgur Sultuybek
- Department of Medical Biology, Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey.
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Alsamad F, Brunel B, Vuiblet V, Gillery P, Jaisson S, Piot O. In depth investigation of collagen non-enzymatic glycation by Raman spectroscopy. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 251:119382. [PMID: 33461140 DOI: 10.1016/j.saa.2020.119382] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 12/19/2020] [Accepted: 12/21/2020] [Indexed: 06/12/2023]
Abstract
Non-enzymatic glycation is a post-translational modification of long-lived matrix proteins such as type I collagen. It occurs during aging and leads to the formation of advanced glycation end-products (AGEs). AGE accumulation is associated with severe complications in chronic and age-related diseases. The assessment of modifications induced by this (patho)physiological process represents an interest in biology and medicine for a better patient care. The objective of our work was to position the interest of Raman spectroscopy in the quantification of collagen glycation. Two types of in vitro glycation were used by incubating collagen samples, at different durations, with ribose or glyoxylic acid; these reducing agents acting on the chemical specificity of the glycation reaction. Glycation efficiency was evaluated by the liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) quantification of carboxymethyllysine (CML) and pentosidine, which are among the most studied AGEs. Raman data were processed by PCA coupled to validity indices and Lasso regression as multivariate analysis tools. Regression models were constructed by considering the LC-MS/MS results as reference values. A marked variability was observed within the Raman datasets making difficult the identification of spectral differences between control and ribose-treated collagen samples. By taking advantage of the chemical specificity of the glyoxylic acid treatment leading to CML formation, on one hand, and the feature selection included in the Lasso algorithm, on the other hand, Raman markers associated with glycation were identified. The assigned vibrations corresponded to modifications of side chains of collagen. In addition, a threshold of CML concentration was determined as quantitative indicator of the applicability of Raman spectroscopy for potential patient follow-up purposes. Although lacking in sensitivity to directly detect AGEs in collagen, Raman spectroscopy allows to highlight the molecular modifications of collagen induced by glycation.
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Affiliation(s)
- Fatima Alsamad
- University of Reims Champagne-Ardenne, BioSpecT, EA n°7506, Faculty of Pharmacy, SFR Santé, Reims, France.
| | - Benjamin Brunel
- University of Reims Champagne-Ardenne, BioSpecT, EA n°7506, Faculty of Pharmacy, SFR Santé, Reims, France.
| | - Vincent Vuiblet
- University of Reims Champagne-Ardenne, BioSpecT, EA n°7506, Faculty of Pharmacy, SFR Santé, Reims, France.
| | - Philippe Gillery
- University of Reims Champagne-Ardenne, MEDyC Unit CNRS UMR n°7369, Faculty of Medicine, SFR Santé, Reims, France; University Hospital of Reims, Biochemistry Department, Reims, France.
| | - Stephane Jaisson
- University of Reims Champagne-Ardenne, MEDyC Unit CNRS UMR n°7369, Faculty of Medicine, SFR Santé, Reims, France; University Hospital of Reims, Biochemistry Department, Reims, France.
| | - Olivier Piot
- University of Reims Champagne-Ardenne, BioSpecT, EA n°7506, Faculty of Pharmacy, SFR Santé, Reims, France; University of Reims Champagne-Ardenne, PICT (Cellular and Tissular Imaging Platform), Reims, France.
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40
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Allan D, Chockalingam N, Naemi R. Validation of a non-invasive imaging photoplethysmography device to assess plantar skin perfusion, a comparison with laser speckle contrast analysis. J Med Eng Technol 2021; 45:170-176. [PMID: 33750251 DOI: 10.1080/03091902.2021.1891309] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Assessing skin perfusion is an established and reliable method to study impaired lower limb blood flow. Laser Speckle Contrast Analysis (LASCA) has been identified as the current gold standard to measure skin perfusion. Imaging photoplethysmography (iPPG) is a new low-cost imaging technique to assess perfusion. However, it is unclear how results obtained from this technique compare against that of LASCA at plantar skin. Therefore, the aim of this study was to investigate the association between the skin perfusion at the plantar surface of the foot using iPPG and LASCA. Perfusion at six plantar locations (Hallux, 1st 3rd 5th metatarsal heads, midfoot, heel) was simultaneously measured using LASCA and iPPG in 20 healthy participants. Skin thickness and skin temperature were also collected at the same plantar locations. Spearman's rank tests showed significant associations with medium strength between the perfusion values measured with LASCA and iPPG for most tested sites. No improvement in the relationship between iPPG and LASCA data was observed when controlling for either skin thickness or skin temperature. Skin perfusion values obtained using iPPG were found to be significantly associated with the corresponding values obtained using the gold standard LASCA device. Additionally, the measurement of perfusion using iPPG is shown to be robust.
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Affiliation(s)
- David Allan
- Centre for Biomechanics and Rehabilitation Technologies, Staffordshire University, Stoke-on-Trent, UK
| | - Nachiappan Chockalingam
- Centre for Biomechanics and Rehabilitation Technologies, Staffordshire University, Stoke-on-Trent, UK
| | - Roozbeh Naemi
- Centre for Biomechanics and Rehabilitation Technologies, Staffordshire University, Stoke-on-Trent, UK
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Boyle ST, Johan MZ, Samuel MS. Tumour-directed microenvironment remodelling at a glance. J Cell Sci 2020; 133:133/24/jcs247783. [PMID: 33443095 DOI: 10.1242/jcs.247783] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The tissue microenvironment supports normal tissue function and regulates the behaviour of parenchymal cells. Tumour cell behaviour, on the other hand, diverges significantly from that of their normal counterparts, rendering the microenvironment hostile to tumour cells. To overcome this problem, tumours can co-opt and remodel the microenvironment to facilitate their growth and spread. This involves modifying both the biochemistry and the biophysics of the normal microenvironment to produce a tumour microenvironment. In this Cell Science at a Glance article and accompanying poster, we outline the key processes by which epithelial tumours influence the establishment of the tumour microenvironment. As the microenvironment is populated by genetically normal cells, we discuss how controlling the microenvironment is both a significant challenge and a key vulnerability for tumours. Finally, we review how new insights into tumour-microenvironment interactions has led to the current consensus on how these processes may be targeted as novel anti-cancer therapies.
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Affiliation(s)
- Sarah T Boyle
- Centre for Cancer Biology, An Alliance between SA Pathology and the University of South Australia, Adelaide, SA 5001, Australia
| | - M Zahied Johan
- Centre for Cancer Biology, An Alliance between SA Pathology and the University of South Australia, Adelaide, SA 5001, Australia
| | - Michael S Samuel
- Centre for Cancer Biology, An Alliance between SA Pathology and the University of South Australia, Adelaide, SA 5001, Australia .,Adelaide Medical School, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, SA 5005, Australia
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Zhang X, Xu S, Shen L, Li G. Factors affecting thermal stability of collagen from the aspects of extraction, processing and modification. JOURNAL OF LEATHER SCIENCE AND ENGINEERING 2020. [DOI: 10.1186/s42825-020-00033-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Abstract
Collagen, as a thermal-sensitive protein, is the most abundant structural protein in animals. Native collagen has been widely applied in various fields due to its specific physicochemical and biological properties. The beneficial properties would disappear with the collapse of the unique triple helical structure during heating. Understanding thermal stability of collagen is of great significance for practical applications. Previous studies have shown the thermal stability would be affected by the different sources, extraction methods, solvent systems in vitro and modified methods. Accordingly, the factors affecting thermal stability of collagen are discussed in detail in this review.
Graphical abstract
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Monitoring matrix remodeling in the cellular microenvironment using microrheology for complex cellular systems. Acta Biomater 2020; 111:254-266. [PMID: 32434077 DOI: 10.1016/j.actbio.2020.04.053] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 04/24/2020] [Accepted: 04/28/2020] [Indexed: 12/12/2022]
Abstract
Multiple particle tracking (MPT) microrheology was employed for monitoring the development of extracellular matrix (ECM) mechanical properties in the direct microenvironment of living cells. A customized setup enabled us to overcome current limitations: (i) Continuous measurements were enabled using a cell culture chamber, with this, matrix remodeling by fibroblasts in the heterogeneous environment of macroporous scaffolds was monitored continuously. (ii) Employing tracer laden porous scaffolds for seeding human mesenchymal stem cells (hMSCs), we followed conventional differentiation protocols. Thus, we were, for the first time able to study the massive alterations in ECM elasticity during hMSC differentiation. (iii) MPT measurements in 2D cell cultures were enabled using a long distance objective. Exemplarily, local mechanical properties of the ECM in human umbilical vein endothelial cell (HUVEC) cultures, that naturally form 2D layers, were investigated scaffold-free. Using our advanced setup, we measured local, apparent elastic moduli G0,app in a range between 0.08 and 60 Pa. For fibroblasts grown in collagen-based scaffolds, a continuous decrease of local matrix elasticity resulted during the first 10 hours after seeding. The osteogenic differentiation of hMSC cells cultivated in similar scaffolds, led to an increase of G0,app by 100 %, whereas after adipogenic differentiation it was reduced by 80 %. The local elasticity of ECM that was newly secreted by HUVECs increased significantly upon addition of protease inhibitor and in high glucose conditions even a twofold increase in G0,app was observed. The combination of these advanced methods opens up new avenues for a broad range of investigations regarding cell-matrix interactions and the propagation of ECM mechanical properties in complex biological systems. STATEMENT OF SIGNIFICANCE: Cells sense the elasticity of their environment on a micrometer length scale. For studying the local elasticity of extracellular matrix (ECM) in the direct environment of living cells, we employed an advanced multipleparticle tracking microrheology setup. MPT is based on monitoring the Brownian motion oftracer particles, which is restricted by the surrounding network. Network elasticity can thusbe quantified. Overcoming current limitations, we realized continuous investigations of ECM elasticityduring fibroblast growth. Furthermore, MPT measurements of stem cell ECM showed ECMstiffening during osteogenic differentiation and softening during adipogenic differentiation.Finally, we characterized small amounts of delicate ECM newly secreted in scaffold-freecultures of endothelial cells, that naturally form 2D layers.
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Ma Z, Mao C, Jia Y, Fu Y, Kong W. Extracellular matrix dynamics in vascular remodeling. Am J Physiol Cell Physiol 2020; 319:C481-C499. [PMID: 32579472 DOI: 10.1152/ajpcell.00147.2020] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Vascular remodeling is the adaptive response to various physiological and pathophysiological alterations that are closely related to aging and vascular diseases. Understanding the mechanistic regulation of vascular remodeling may be favorable for discovering potential therapeutic targets and strategies. The extracellular matrix (ECM), including matrix proteins and their degradative metalloproteases, serves as the main component of the microenvironment and exhibits dynamic changes during vascular remodeling. This process involves mainly the altered composition of matrix proteins, metalloprotease-mediated degradation, posttranslational modification of ECM proteins, and altered topographical features of the ECM. To date, adequate studies have demonstrated that ECM dynamics also play a critical role in vascular remodeling in various diseases. Here, we review these related studies, summarize how ECM dynamics control vascular remodeling, and further indicate potential diagnostic biomarkers and therapeutic targets in the ECM for corresponding vascular diseases.
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Affiliation(s)
- Zihan Ma
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing, China
| | - Chenfeng Mao
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing, China
| | - Yiting Jia
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing, China
| | - Yi Fu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing, China
| | - Wei Kong
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing, China
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45
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Zanotelli MR, Chada NC, Johnson CA, Reinhart-King CA. The Physical Microenvironment of Tumors: Characterization and Clinical Impact. ACTA ACUST UNITED AC 2020. [DOI: 10.1142/s1793048020300029] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The tumor microenvironment plays a critical role in tumorigenesis and metastasis. As tightly controlled extracellular matrix homeostasis is lost during tumor progression, a dysregulated extracellular matrix can significantly alter cellular phenotype and drive malignancy. Altered physical properties of the tumor microenvironment alter cancer cell behavior, limit delivery and efficacy of therapies, and correlate with tumorigenesis and patient prognosis. The physical features of the extracellular matrix during tumor progression have been characterized; however, a wide range of methods have been used between studies and cancer types resulting in a large range of reported values. Here, we discuss the significant mechanical and structural properties of the tumor microenvironment, summarizing their reported values and clinical impact across cancer type and grade. We attempt to integrate the values in the literature to identify sources of reported differences and commonalities to better understand how aberrant extracellular matrix dynamics contribute to cancer progression. An intimate understanding of altered matrix properties during malignant transformation will be crucial in effectively detecting, monitoring, and treating cancer.
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Affiliation(s)
- Matthew R. Zanotelli
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Weill Hall, Ithaca, NY 14583, USA
- Department of Biomedical Engineering, Vanderbilt University, 2414 Highland Avenue, Nashville, TN 37235, USA
| | - Neil C. Chada
- Department of Biomedical Engineering, Vanderbilt University, 2414 Highland Avenue, Nashville, TN 37235, USA
| | - C. Andrew Johnson
- Department of Biomedical Engineering, Vanderbilt University, 2414 Highland Avenue, Nashville, TN 37235, USA
| | - Cynthia A. Reinhart-King
- Department of Biomedical Engineering, Vanderbilt University, 2414 Highland Avenue, Nashville, TN 37235, USA
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Galactose-Induced Skin Aging: The Role of Oxidative Stress. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:7145656. [PMID: 32655772 PMCID: PMC7317321 DOI: 10.1155/2020/7145656] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 05/17/2020] [Accepted: 05/26/2020] [Indexed: 02/07/2023]
Abstract
Skin aging has been associated with a higher dietary intake of carbohydrates, particularly glucose and galactose. In fact, the carbohydrates are capable of damaging the skin's vital components through nonenzymatic glycation, the covalent attachment of sugar to a protein, and subsequent production of advanced glycation end products (AGEs). This review is focused on the role of D-galactose in the development of skin aging and its relation to oxidative stress. The interest in this problem was dictated by recent findings that used in vitro and in vivo models. The review highlights the recent advances in the underlying molecular mechanisms of D-galactose-mediated cell senescence and cytotoxicity. We have also proposed the possible impact of galactosemia on skin aging and its clinical relevance. The understanding of molecular mechanisms of skin aging mediated by D-galactose can help dermatologists optimize methods for prevention and treatment of skin senescence and aging-related skin diseases.
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47
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Alania Y, Trevelin LT, Hussain M, Zamperini CA, Mustafa G, Bedran-Russo AK. On the bulk biomechanical behavior of densely cross-linked dentin matrix: The role of induced-glycation, regional dentin sites and chemical inhibitor. J Mech Behav Biomed Mater 2020; 103:103589. [PMID: 32090918 PMCID: PMC7042333 DOI: 10.1016/j.jmbbm.2019.103589] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 10/17/2019] [Accepted: 12/07/2019] [Indexed: 10/25/2022]
Abstract
Collagen glycation takes place under physiological conditions during chronological aging, leading to the formation of advanced glycation end-products (AGEs). AGEs accumulation induces non-enzymatic collagen cross-links increasing tissue stiffness and impairing function. Here, we focused on determining the cumulative effect of induced glycation on the mechanical behavior of highly collagen cross-linked dentin matrices and assess the topical inhibition potential of aminoguanidine. Bulk mechanical characterization suggests that early glycation cross-links significantly increase the tensile strength and stiffness of the dentin matrix and promote a brittle failure response. Histologically, glycation yielded a more mature type I collagen in a densely packed collagen matrix. The time-dependent effect of glycation indicates cumulative damage of dentin matrices that is partially inhibited by aminoguanidine. The regional dentin sites were differently affected by induced-glycation, revealing the crown dentin to be mechanically more affected by the glycation protocol. These findings in human dentin set the foundation for the proposed in vitro ribose-induced glycation model, which produces an early matrix stiffening mechanism by reducing tissue viscoelasticity and can be partially inhibited by topical aminoguanidine.
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Affiliation(s)
- Yvette Alania
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, 801 South Paulina St, Chicago, IL, 60612, USA
| | - Livia T Trevelin
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, 801 South Paulina St, Chicago, IL, 60612, USA; Department of Restorative Dentistry, School of Dentistry, University of São Caetano Do Sul, Rua Santo Antônio 50, São Caetano Do Sul, São Paulo, 09521-160, Brazil
| | - Mohammad Hussain
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, 801 South Paulina St, Chicago, IL, 60612, USA
| | - Camila A Zamperini
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, 801 South Paulina St, Chicago, IL, 60612, USA
| | - Gresa Mustafa
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, 801 South Paulina St, Chicago, IL, 60612, USA
| | - Ana K Bedran-Russo
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, 801 South Paulina St, Chicago, IL, 60612, USA.
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48
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Bansode S, Bashtanova U, Li R, Clark J, Müller KH, Puszkarska A, Goldberga I, Chetwood HH, Reid DG, Colwell LJ, Skepper JN, Shanahan CM, Schitter G, Mesquida P, Duer MJ. Glycation changes molecular organization and charge distribution in type I collagen fibrils. Sci Rep 2020; 10:3397. [PMID: 32099005 PMCID: PMC7042214 DOI: 10.1038/s41598-020-60250-9] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 01/27/2020] [Indexed: 02/06/2023] Open
Abstract
Collagen fibrils are central to the molecular organization of the extracellular matrix (ECM) and to defining the cellular microenvironment. Glycation of collagen fibrils is known to impact on cell adhesion and migration in the context of cancer and in model studies, glycation of collagen molecules has been shown to affect the binding of other ECM components to collagen. Here we use TEM to show that ribose-5-phosphate (R5P) glycation of collagen fibrils - potentially important in the microenvironment of actively dividing cells, such as cancer cells - disrupts the longitudinal ordering of the molecules in collagen fibrils and, using KFM and FLiM, that R5P-glycated collagen fibrils have a more negative surface charge than unglycated fibrils. Altered molecular arrangement can be expected to impact on the accessibility of cell adhesion sites and altered fibril surface charge on the integrity of the extracellular matrix structure surrounding glycated collagen fibrils. Both effects are highly relevant for cell adhesion and migration within the tumour microenvironment.
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Affiliation(s)
- Sneha Bansode
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Uliana Bashtanova
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Rui Li
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | | | - Karin H Müller
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
- Cambridge Advanced Imaging Centre, Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Street, Cambridge, CB2 3DY, UK
| | - Anna Puszkarska
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Ieva Goldberga
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Holly H Chetwood
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - David G Reid
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Lucy J Colwell
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Jeremy N Skepper
- Cambridge Advanced Imaging Centre, Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Street, Cambridge, CB2 3DY, UK
| | - Catherine M Shanahan
- BHF Centre of Research Excellence, Cardiovascular Division, James Black Centre King's College London, 125 Coldharbour Lane, London, SE5 9NU, UK
| | - Georg Schitter
- Automation and Control Institute (ACIN), TU Wien, Gusshausstrasse 27-29, A-1040, Vienna, Austria
| | - Patrick Mesquida
- Automation and Control Institute (ACIN), TU Wien, Gusshausstrasse 27-29, A-1040, Vienna, Austria.
- Department of Physics, King's College London, Strand, London, WC2R 2LS, UK.
| | - Melinda J Duer
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK.
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49
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The Diabetic Cardiac Fibroblast: Mechanisms Underlying Phenotype and Function. Int J Mol Sci 2020; 21:ijms21030970. [PMID: 32024054 PMCID: PMC7036958 DOI: 10.3390/ijms21030970] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 01/27/2020] [Accepted: 01/30/2020] [Indexed: 02/07/2023] Open
Abstract
Diabetic cardiomyopathy involves remodeling of the heart in response to diabetes that includes microvascular damage, cardiomyocyte hypertrophy, and cardiac fibrosis. Cardiac fibrosis is a major contributor to diastolic dysfunction that can ultimately result in heart failure with preserved ejection fraction. Cardiac fibroblasts are the final effector cell in the process of cardiac fibrosis. This review article aims to describe the cardiac fibroblast phenotype in response to high-glucose conditions that mimic the diabetic state, as well as to explain the pathways underlying this phenotype. As such, this review focuses on studies conducted on isolated cardiac fibroblasts. We also describe molecules that appear to oppose the pro-fibrotic actions of high glucose on cardiac fibroblasts. This represents a major gap in knowledge in the field that needs to be addressed.
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50
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Gaar J, Naffa R, Brimble M. Enzymatic and non-enzymatic crosslinks found in collagen and elastin and their chemical synthesis. Org Chem Front 2020. [DOI: 10.1039/d0qo00624f] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
This review summarized the enzymatic and non-enzymatic crosslinks found in collagen and elastin and their organic synthesis.
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Affiliation(s)
- Jakob Gaar
- School of Chemical Sciences
- The University of Auckland
- Auckland Central 1010
- New Zealand
- The Maurice Wilkins Centre for Molecular Biodiscovery
| | - Rafea Naffa
- New Zealand Leather and Shoe Research Association
- Palmerston North
- New Zealand
| | - Margaret Brimble
- School of Chemical Sciences
- The University of Auckland
- Auckland Central 1010
- New Zealand
- The Maurice Wilkins Centre for Molecular Biodiscovery
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