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Huang JJ, Geduldig JE, Jacobs EB, Tai TYT, Ahmad S, Chadha N, Buxton DF, Vinod K, Wirostko BM, Kang JH, Wiggs JL, Ritch R, Pasquale LR. Head and Neck Region Dermatological Ultraviolet-Related Cancers are Associated with Exfoliation Syndrome in a Clinic-Based Population. Ophthalmol Glaucoma 2022; 5:663-671. [PMID: 35470101 PMCID: PMC9587131 DOI: 10.1016/j.ogla.2022.04.002] [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: 02/12/2022] [Revised: 04/12/2022] [Accepted: 04/18/2022] [Indexed: 06/14/2023]
Abstract
OBJECTIVE We assessed the relationship between ultraviolet (UV)-associated dermatological carcinomas (basal cell carcinoma [BCC] and squamous cell carcinoma [SCC]) and exfoliation syndrome (XFS) or exfoliation glaucoma (XFG). DESIGN Case-control study. PARTICIPANTS Between 2019 and 2021, 321 participants and control subjects (XFS or XFG = 98; primary open-angle glaucoma [POAG] = 117; controls = 106; ages 50-90 years) were recruited. METHODS A cross-sectional survey assessing medical history, maximum known intraocular pressure, cup-to-disc ratio, Humphrey visual field 24-2, the propensity to tan or burn in early life, history of BCC or SCC, and XFS or XFG diagnosis. The multivariable models adjusted for age, sex, medical history, eye color, hair color, and likeliness of tanning versus burning at a young age. MAIN OUTCOME MEASURES History of diagnosed XFS or XFG. RESULTS Any history of BCC or SCC in the head and neck region was associated with a 2-fold higher risk of having XFS or XFG versus having POAG or being a control subject (odds ratio [OR], 2.01; 95% confidence interval [CI], 1.04-3.89) in a multivariable-adjusted analysis. We observed a dose-response association in which the chance of having XFS or XFG increased by 67% per head and neck BCC or SCC occurrence (OR, 1.67; 95% CI, 1.09-2.56). When we excluded POAG participants, head and neck BCC or SCC was associated with a 2.8-fold higher risk of XFS or XFG (OR, 2.80; 95% CI, 1.12-7.02), and each additional occurrence had a 2-fold higher risk of XFS or XFG (OR, 1.97; 95% CI, 1.09-3.58). The association between head and neck region BCC or SCC and POAG compared with the control subjects was null (OR, 1.42; 95% CI, 0.58-3.48). With BCC or SCC located anywhere on the body, there was a nonsignificantly higher risk of having XFS or XFG compared with having POAG or being a control subject (OR, 1.65; 95% CI, 0.88-3.09). CONCLUSIONS Head and neck region BCCs or SCCs are associated with a higher risk of having XFS or XFG. These findings support prior evidence that head and neck UV exposure may be a risk factor for XFS.
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Affiliation(s)
- Jeff J Huang
- Department of Ophthalmology, Icahn School of Medicine at Mount Sinai, New York, New York.
| | - Jack E Geduldig
- Department of Ophthalmology, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Erica B Jacobs
- New York Eye and Ear Infirmary of Mount Sinai, New York, New York
| | - Tak Yee T Tai
- Department of Ophthalmology, Icahn School of Medicine at Mount Sinai, New York, New York; New York Eye and Ear Infirmary of Mount Sinai, New York, New York
| | - Sumayya Ahmad
- Department of Ophthalmology, Icahn School of Medicine at Mount Sinai, New York, New York; New York Eye and Ear Infirmary of Mount Sinai, New York, New York
| | - Nisha Chadha
- Department of Ophthalmology, Icahn School of Medicine at Mount Sinai, New York, New York; New York Eye and Ear Infirmary of Mount Sinai, New York, New York
| | - Douglas F Buxton
- New York Eye and Ear Infirmary of Mount Sinai, New York, New York
| | - Kateki Vinod
- Department of Ophthalmology, Icahn School of Medicine at Mount Sinai, New York, New York; New York Eye and Ear Infirmary of Mount Sinai, New York, New York
| | | | - Jae H Kang
- Channing Division of Network of Medicine, Brigham and Women's Hospital, Boston, Massachusetts
| | - Janey L Wiggs
- Department of Ophthalmology, Massachusetts Eye and Ear, Harvard Medical School, Boston, Massachusetts
| | - Robert Ritch
- New York Eye and Ear Infirmary of Mount Sinai, New York, New York
| | - Louis R Pasquale
- Department of Ophthalmology, Icahn School of Medicine at Mount Sinai, New York, New York; New York Eye and Ear Infirmary of Mount Sinai, New York, New York
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Li WH, Seo I, Kim B, Fassih A, Southall MD, Parsa R. Low-level red plus near infrared lights combination induces expressions of collagen and elastin in human skin in vitro. Int J Cosmet Sci 2021; 43:311-320. [PMID: 33594706 DOI: 10.1111/ics.12698] [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: 10/03/2020] [Revised: 12/22/2020] [Accepted: 02/15/2021] [Indexed: 11/28/2022]
Abstract
OBJECTIVE Light therapy has attracted medical interests as a safe, alternative treatment for photo-ageing and photo-damaged skin. Recent research suggested the therapeutic activity of red and infrared (IR) lights may be effective at much lower energy levels than those used clinically. This study was to evaluate the efficacy of low-level red plus near IR light emitting diode (LED) combination on collagen and elastin and ATP production. METHODS Human dermal fibroblasts or skin tissues were irradiated daily by red (640 nm) plus near IR (830 nm) LED lights combination at 0.5 mW/cm2 for 10 minutes (0.3 J/cm2 ). qPCR, ELISAs or histology were used to determine the gene and protein expressions. Fluorescent measurement was used to assess crosslinks of collagen and elastic fibres. ATP production was evaluated by ATP assay. RESULTS Treatment of human fibroblast cell cultures with low-level red plus near IR lights combination was found to significantly increase LOXL1, ELN and COL1A1 and COL3A1 gene expressions as well as the synthesis of the procollagen type I and elastin proteins. Treating human skin explants with low-level red plus near IR lights combination similarly induced significant increases in the same gene expressions, type III collagen and elastic fibre formation and crosslinks. ATP production was increased in human dermal fibroblasts after red plus near IR lights combination treatment. CONCLUSION Low-level red plus near IR lights combination stimulated the production of collagen and elastin production associated with anti-ageing benefits. These findings suggest that low-level red plus near IR LED light combination may provide an effective treatment opportunity for people with photo-aged skin.
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Affiliation(s)
- Wen-Hwa Li
- The Johnson & Johnson Skin Research Center, Johnson & Johnson Consumer Inc., Skillman, NJ, USA
| | - InSeok Seo
- The Johnson & Johnson Skin Research Center, Johnson & Johnson Consumer Inc., Skillman, NJ, USA
| | - Brian Kim
- The Johnson & Johnson Skin Research Center, Johnson & Johnson Consumer Inc., Skillman, NJ, USA
| | - Ali Fassih
- The Johnson & Johnson Skin Research Center, Johnson & Johnson Consumer Inc., Skillman, NJ, USA
| | - Michael D Southall
- The Johnson & Johnson Skin Research Center, Johnson & Johnson Consumer Inc., Skillman, NJ, USA
| | - Ramine Parsa
- The Johnson & Johnson Skin Research Center, Johnson & Johnson Consumer Inc., Skillman, NJ, USA
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Ozols M, Eckersley A, Platt CI, Stewart-McGuinness C, Hibbert SA, Revote J, Li F, Griffiths CEM, Watson REB, Song J, Bell M, Sherratt MJ. Predicting Proteolysis in Complex Proteomes Using Deep Learning. Int J Mol Sci 2021; 22:3071. [PMID: 33803033 PMCID: PMC8002881 DOI: 10.3390/ijms22063071] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/10/2021] [Accepted: 03/12/2021] [Indexed: 12/27/2022] Open
Abstract
Both protease- and reactive oxygen species (ROS)-mediated proteolysis are thought to be key effectors of tissue remodeling. We have previously shown that comparison of amino acid composition can predict the differential susceptibilities of proteins to photo-oxidation. However, predicting protein susceptibility to endogenous proteases remains challenging. Here, we aim to develop bioinformatics tools to (i) predict cleavage site locations (and hence putative protein susceptibilities) and (ii) compare the predicted vulnerabilities of skin proteins to protease- and ROS-mediated proteolysis. The first goal of this study was to experimentally evaluate the ability of existing protease cleavage site prediction models (PROSPER and DeepCleave) to identify experimentally determined MMP9 cleavage sites in two purified proteins and in a complex human dermal fibroblast-derived extracellular matrix (ECM) proteome. We subsequently developed deep bidirectional recurrent neural network (BRNN) models to predict cleavage sites for 14 tissue proteases. The predictions of the new models were tested against experimental datasets and combined with amino acid composition analysis (to predict ultraviolet radiation (UVR)/ROS susceptibility) in a new web app: the Manchester proteome susceptibility calculator (MPSC). The BRNN models performed better in predicting cleavage sites in native dermal ECM proteins than existing models (DeepCleave and PROSPER), and application of MPSC to the skin proteome suggests that: compared with the elastic fiber network, fibrillar collagens may be susceptible primarily to protease-mediated proteolysis. We also identify additional putative targets of oxidative damage (dermatopontin, fibulins and defensins) and protease action (laminins and nidogen). MPSC has the potential to identify potential targets of proteolysis in disparate tissues and disease states.
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Affiliation(s)
- Matiss Ozols
- Division of Cell Matrix Biology & Regenerative Medicine, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, Manchester M13 9PT, UK; (A.E.); (C.I.P.); (C.S.-M.); (S.A.H.)
| | - Alexander Eckersley
- Division of Cell Matrix Biology & Regenerative Medicine, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, Manchester M13 9PT, UK; (A.E.); (C.I.P.); (C.S.-M.); (S.A.H.)
| | - Christopher I. Platt
- Division of Cell Matrix Biology & Regenerative Medicine, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, Manchester M13 9PT, UK; (A.E.); (C.I.P.); (C.S.-M.); (S.A.H.)
| | - Callum Stewart-McGuinness
- Division of Cell Matrix Biology & Regenerative Medicine, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, Manchester M13 9PT, UK; (A.E.); (C.I.P.); (C.S.-M.); (S.A.H.)
| | - Sarah A. Hibbert
- Division of Cell Matrix Biology & Regenerative Medicine, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, Manchester M13 9PT, UK; (A.E.); (C.I.P.); (C.S.-M.); (S.A.H.)
| | - Jerico Revote
- Monash Bioinformatics Platform, Monash University, Melbourne, VIC 3800, Australia;
- Infection and Immunity Program, Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Melbourne, VIC 3800, Australia;
| | - Fuyi Li
- Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, VIC 3800, Australia;
| | - Christopher E. M. Griffiths
- Centre for Dermatology Research, Faculty of Biology, Medicine and Health, and Salford Royal NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester M13 9PT, UK; (C.E.M.G.); (R.E.B.W.)
- NIHR Manchester Biomedical Research Centre, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester M13 9WL, UK
| | - Rachel E. B. Watson
- Centre for Dermatology Research, Faculty of Biology, Medicine and Health, and Salford Royal NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester M13 9PT, UK; (C.E.M.G.); (R.E.B.W.)
- NIHR Manchester Biomedical Research Centre, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester M13 9WL, UK
| | - Jiangning Song
- Infection and Immunity Program, Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Melbourne, VIC 3800, Australia;
- Monash Centre for Data Science, Faculty of Information Technology, Monash University, Melbourne, VIC 3800, Australia
| | - Mike Bell
- Research and Development, Walgreens Boots Alliance, Thane Road, Nottingham NG90 1BS, UK;
| | - Michael J. Sherratt
- Division of Cell Matrix Biology & Regenerative Medicine, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, Manchester M13 9PT, UK; (A.E.); (C.I.P.); (C.S.-M.); (S.A.H.)
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Heinz A. Elastic fibers during aging and disease. Ageing Res Rev 2021; 66:101255. [PMID: 33434682 DOI: 10.1016/j.arr.2021.101255] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 11/29/2020] [Accepted: 12/30/2020] [Indexed: 02/08/2023]
Abstract
Elastic fibers are essential constituents of the extracellular matrix of higher vertebrates and endow several tissues and organs including lungs, skin and blood vessels with elasticity and resilience. During the human lifespan, elastic fibers are exposed to a variety of enzymatic, chemical and biophysical influences, and accumulate damage due to their low turnover. Aging of elastin and elastic fibers involves enzymatic degradation, oxidative damage, glycation, calcification, aspartic acid racemization, binding of lipids and lipid peroxidation products, carbamylation and mechanical fatigue. These processes can trigger an impairment or loss of elastic fiber function and are associated with severe pathologies. There are different inherited or acquired pathological conditions, which influence the structure and function of elastic fibers and microfibrils predominantly in the cardiorespiratory system and skin. Inherited elastic-fiber pathologies have a direct or indirect impact on elastic-fiber formation due to mutations in the fibrillin genes (fibrillinopathies), in the elastin gene (elastinopathies) or in genes encoding proteins that are associated with microfibrils or elastic fibers. Acquired elastic-fiber pathologies appear age-related or as a result of multiple factors impairing tissue homeostasis. This review gives an overview on the fate of elastic fibers over the human lifespan in health and disease.
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Abstract
PRECIS In a cohort study of 120,307 participants with 25+ years of follow-up, a history of nonmelanoma skin cancer (NMSC) was associated with a 40% higher exfoliation glaucoma (XFG) risk. PURPOSE The purpose of this study was to evaluate the relationship between NMSC (a marker of ultraviolet radiation exposure) and XFG. METHODS We performed a cohort study of US women (n=79,102; 1980-2014) and men (n=41,205; 1986-2014), aged 40+ years and at risk for glaucoma who reported eye examinations. From 1984 (women)/1988 (men), we asked about basal cell carcinoma or squamous cell carcinoma history separately; in prior years, we asked about any NMSC history in a single question. Squamous cell carcinoma was confirmed with histopathology reports while basal cell carcinoma and any early (<1984/<1988) NMSC history was self-reported. Incident XFG cases (362 women and 83 men) were confirmed with medical records. Using pooled data, we estimated multivariable-adjusted relative risks [MVRRs; 95% confidence intervals (CIs)] with Cox proportional hazards models that were stratified by age (in mo), 2-year time period at risk and average lifetime residential latitude. RESULTS In multivariable-adjusted analyses, we observed a 40% higher XFG risk with any NMSC history (MVRR=1.40; 95% CI=1.08-1.82); the association was observed even with 4 and 8-year lags in NMSC history. Also, the NMSC association was stronger in younger (below 65 y; MVRR=2.56; 95% CI=1.62-4.05) versus older participants (65 y and above; MVRR=1.25; 95% CI=0.94-1.66; P for interaction=0.01) and those living in the northern latitudes (≥42°N; MVRR=1.92; 95% CI=1.28-2.88) versus more southern latitudes (<42°N; MVRR=1.19; 95% CI=0.86-1.66; P for interaction=0.04). CONCLUSION NMSC was associated with higher XFG risk, particularly among younger participants and those living in the Northern US.
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Langton AK, Tsoureli-Nikita E, Merrick H, Zhao X, Antoniou C, Stratigos A, Akhtar R, Derby B, Sherratt MJ, Watson RE, Griffiths CE. The systemic influence of chronic smoking on skin structure and mechanical function. J Pathol 2020; 251:420-428. [PMID: 32472631 DOI: 10.1002/path.5476] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 05/15/2020] [Accepted: 05/20/2020] [Indexed: 12/21/2022]
Abstract
One of the major functions of human skin is to provide protection from the environment. Although we cannot entirely avoid, for example, sun exposure, it is likely that exposure to other environmental factors could affect cutaneous function. A number of studies have identified smoking as one such factor that leads to both facial wrinkle formation and a decline in skin function. In addition to the direct physical effects of tobacco smoke on skin, its inhalation has additional profound systemic effects for the smoker. The adverse effects on the respiratory and cardiovascular systems from smoking are well known. Central to the pathological changes associated with smoking is the elastic fibre, a key component of the extracellular matrices of lungs. In this study we examined the systemic effect of chronic smoking (>40 cigarettes/day; >5 years) on the histology of the cutaneous elastic fibre system, the nanostructure and mechanics of one of its key components, the fibrillin-rich microfibril, and the micromechanical stiffness of the dermis and epidermis. We show that photoprotected skin of chronic smokers exhibits significant remodelling of the elastic fibre network (both elastin and fibrillin-rich microfibrils) as compared to the skin of age- and sex-matched non-smokers. This remodelling is not associated with increased gelatinase activity (as identified by in situ zymography). Histological remodelling is accompanied by significant ultrastructural changes to extracted fibrillin-rich microfibrils. Finally, using scanning acoustic microscopy, we demonstrated that chronic smoking significantly increases the stiffness of both the dermis and the epidermis. Taken together, these data suggest an unappreciated systemic effect of chronic inhalation of tobacco smoke on the cutaneous elastic fibre network. Such changes may in part underlie the skin wrinkling and loss of skin elasticity associated with smoking. © 2020 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Abigail K Langton
- Centre for Dermatology Research, The University of Manchester & Salford Royal NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK.,NIHR Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Evridiki Tsoureli-Nikita
- First Department of Dermatology, Andreas Syggros Hospital of Cutaneous & Venereal Diseases, Athens University Medical School, Athens, Greece
| | - Holly Merrick
- Centre for Dermatology Research, The University of Manchester & Salford Royal NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Xuegen Zhao
- School of Materials, The University of Manchester, Manchester, UK
| | - Christina Antoniou
- First Department of Dermatology, Andreas Syggros Hospital of Cutaneous & Venereal Diseases, Athens University Medical School, Athens, Greece
| | - Alexander Stratigos
- First Department of Dermatology, Andreas Syggros Hospital of Cutaneous & Venereal Diseases, Athens University Medical School, Athens, Greece
| | - Riaz Akhtar
- Department of Mechanical, Materials and Aerospace Engineering, School of Engineering, University of Liverpool, Liverpool, UK
| | - Brian Derby
- School of Materials, The University of Manchester, Manchester, UK
| | - Michael J Sherratt
- Division of Cell Matrix Biology & Regenerative Medicine, Manchester Academic Health Science Centre, The University of Manchester, Manchester, UK
| | - Rachel Eb Watson
- Centre for Dermatology Research, The University of Manchester & Salford Royal NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK.,NIHR Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Christopher Em Griffiths
- Centre for Dermatology Research, The University of Manchester & Salford Royal NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK.,NIHR Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
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Greene AG, Eivers SB, Dervan EWJ, O'Brien CJ, Wallace DM. Lysyl Oxidase Like 1: Biological roles and regulation. Exp Eye Res 2020; 193:107975. [PMID: 32070696 DOI: 10.1016/j.exer.2020.107975] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 01/12/2020] [Accepted: 02/13/2020] [Indexed: 12/11/2022]
Abstract
Lysyl Oxidase Like 1 (LOXL1) is a gene that encodes for the LOXL1 enzyme. This enzyme is required for elastin biogenesis and collagen cross-linking, polymerising tropoelastin monomers into elastin polymers. Its main role is in elastin homeostasis and matrix remodelling during injury, fibrosis and cancer development. Because of its vast range of biological functions, abnormalities in LOXL1 underlie many disease processes. Decreased LOXL1 expression is observed in disorders of elastin such as Cutis Laxa and increased expression is reported in fibrotic disease such as Idiopathic Pulmonary Fibrosis. LOXL1 is also downregulated in the lamina cribrosa in pseudoexfoliation glaucoma and genetic variants in the LOXL1 gene have been linked with an increased risk of developing pseudoexfoliation glaucoma and pseudoexfoliation syndrome. However the two major risk alleles are reversed in certain ethnic groups and are present in a large proportion of the normal population, implying complex genetic and environmental regulation is involved in disease pathogenesis. It also appears that the non-coding variants in intron 1 of LOXL1 may be involved in the regulation of LOXL1 expression. Gene alteration may occur via a number of epigenetic and post translational mechanisms such as DNA methylation, long non-coding RNAs and microRNAs. These may represent future therapeutic targets for disease. Environmental factors such as hypoxia, oxidative stress and ultraviolet radiation exposure alter LOXL1 expression, and it is likely a combination of these genetic and environmental factors that influence disease development and progression. In this review, we discuss LOXL1 properties, biological roles and regulation in detail with a focus on pseudoexfoliation syndrome and glaucoma.
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Affiliation(s)
- Alison G Greene
- UCD Clinical Research Centre, School of Medicine, University College Dublin, Ireland.
| | - Sarah B Eivers
- UCD Clinical Research Centre, School of Medicine, University College Dublin, Ireland
| | - Edward W J Dervan
- Dept. of Ophthalmology, Mater Misericordiae University Hospital, Eccles Street, Dublin 7, Ireland
| | - Colm J O'Brien
- UCD Clinical Research Centre, School of Medicine, University College Dublin, Ireland; Dept. of Ophthalmology, Mater Misericordiae University Hospital, Eccles Street, Dublin 7, Ireland
| | - Deborah M Wallace
- UCD Clinical Research Centre, School of Medicine, University College Dublin, Ireland
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Wang F, Calderone K, Do T, Smith N, Helfrich Y, Johnson T, Kang S, Voorhees J, Fisher G. Severe disruption and disorganization of dermal collagen fibrils in early striae gravidarum. Br J Dermatol 2018; 178:749-760. [DOI: 10.1111/bjd.15895] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/06/2017] [Indexed: 11/28/2022]
Affiliation(s)
- F. Wang
- Department of Dermatology; University of Michigan Medical School; Ann Arbor MI U.S.A
| | - K. Calderone
- Department of Dermatology; University of Michigan Medical School; Ann Arbor MI U.S.A
| | - T.T. Do
- Department of Dermatology; University of Michigan Medical School; Ann Arbor MI U.S.A
| | - N.R. Smith
- Department of Dermatology; University of Michigan Medical School; Ann Arbor MI U.S.A
| | - Y.R. Helfrich
- Department of Dermatology; University of Michigan Medical School; Ann Arbor MI U.S.A
| | - T.R.B. Johnson
- Department of Obstetrics and Gynecology; University of Michigan Medical School; Ann Arbor MI U.S.A
| | - S. Kang
- Department of Dermatology; University of Michigan Medical School; Ann Arbor MI U.S.A
| | - J.J. Voorhees
- Department of Dermatology; University of Michigan Medical School; Ann Arbor MI U.S.A
| | - G.J. Fisher
- Department of Dermatology; University of Michigan Medical School; Ann Arbor MI U.S.A
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