1
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Shin JU, Abaci HE, Herron L, Guo Z, Sallee B, Pappalardo A, Jackow J, Wang EHC, Doucet Y, Christiano AM. Recapitulating T cell infiltration in 3D psoriatic skin models for patient-specific drug testing. Sci Rep 2020; 10:4123. [PMID: 32139717 PMCID: PMC7057979 DOI: 10.1038/s41598-020-60275-0] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Accepted: 02/05/2020] [Indexed: 12/31/2022] Open
Abstract
Drug screening studies for inflammatory skin diseases are currently performed using model systems that only partially recapitulate human diseased skin. Here, we developed a new strategy to incorporate T cells into human 3D skin constructs (HSCs), which enabled us to closely monitor and quantitate T cell responses. We found that the epidermis promotes the activation and infiltration of T cells into the skin, and provides a directional cue for their selective migration towards the epidermis. We established a psoriatic HSC (pHSC) by incorporating polarized Th1/Th17 cells or CCR6+CLA+ T cells derived from psoriasis patients into the constructs. These pHSCs showed a psoriatic epidermal phenotype and characteristic cytokine profiles, and responded to various classes of psoriasis drugs, highlighting the potential utility of our model as a drug screening platform. Taken together, we developed an advanced immunocompetent 3D skin model to investigate epidermal-T cell interactions and to understand the pathophysiology of inflammatory skin diseases in a human-relevant and patient-specific context.
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Affiliation(s)
- Jung U Shin
- Department of Dermatology, Columbia University Medical Center, NY, New York, USA
- Department of Dermatology, CHA Bundang Medical Center, CHA University, Seongnam, Republic of Korea
| | - Hasan E Abaci
- Department of Dermatology, Columbia University Medical Center, NY, New York, USA.
| | - Lauren Herron
- Department of Dermatology, Columbia University Medical Center, NY, New York, USA
| | - Zongyou Guo
- Department of Dermatology, Columbia University Medical Center, NY, New York, USA
| | - Brigitte Sallee
- Department of Dermatology, Columbia University Medical Center, NY, New York, USA
| | - Alberto Pappalardo
- Department of Dermatology, Columbia University Medical Center, NY, New York, USA
| | - Joanna Jackow
- Department of Dermatology, Columbia University Medical Center, NY, New York, USA
| | - Eddy Hsi Chun Wang
- Department of Dermatology, Columbia University Medical Center, NY, New York, USA
| | - Yanne Doucet
- Department of Dermatology, Columbia University Medical Center, NY, New York, USA
| | - Angela M Christiano
- Department of Dermatology, Columbia University Medical Center, NY, New York, USA.
- Department of Genetics & Development, Columbia University, New York, NY, USA.
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2
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Deveci E, Kocacenk T, Şahan E, Yılmaz O, Öztürk A, Kırpınar İ. Oxidative stress and inflammatory response in patients with psoriasis; is there any relationship with psychiatric comorbidity and cognitive functions? PSYCHIAT CLIN PSYCH 2019. [DOI: 10.1080/24750573.2019.1589176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
Affiliation(s)
- Erdem Deveci
- Department of Psychiatry, Bezmialem Vakif University, Istanbul, Turkey
| | - Tuba Kocacenk
- Abant İzzet Baysal Üniversitesi İzzet Baysal Ruh Sağlığı Ve Hastalıkları Eğitim Ve Araştırma, Hastanesi, Bolu, Turkey
| | - Ebru Şahan
- Department of Psychiatry, Bezmialem Vakif University, Istanbul, Turkey
| | - Onur Yılmaz
- Department of Psychiatry, Bezmialem Vakif University, Istanbul, Turkey
| | - Ahmet Öztürk
- Department of Psychiatry, Bezmialem Vakif University, Istanbul, Turkey
| | - İsmet Kırpınar
- Department of Psychiatry, Bezmialem Vakif University, Istanbul, Turkey
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3
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Niehues H, van den Bogaard EH. Past, present and future of in vitro 3D reconstructed inflammatory skin models to study psoriasis. Exp Dermatol 2018; 27:512-519. [PMID: 29502346 DOI: 10.1111/exd.13525] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/19/2018] [Indexed: 12/21/2022]
Abstract
Psoriasis is a common chronic inflammatory skin disease with a significant socio-economic impact that can greatly affect the patients' quality of life. The prevailing dogma in the aetiology and pathophysiology of this complex disease is that skin cells, immune cells and environmental factors contribute to psoriatic skin inflammation. For a better understanding of the disease pathogenesis, models are required that mimic the disease and which can be used to develop therapeutics. Over the last decades, in vitro human reconstructed skin models have been widely used in dermatological research and have also been developed to mimic psoriatic skin. This viewpoint summarizes the most commonly used in vitro models and the latest accomplishments for the combination of the dermal and epidermal compartments with other cell types and factors that are important players in the psoriatic skin environment. We aim to critically list the most complete and best-validated models that include major psoriasis hallmarks with regard to gene and protein expression profile and epidermal morphology, but also discuss the shortcoming of the current models. This viewpoint intends to guide the development of in vitro 3D skin models that faithfully mimic all features of psoriatic skin. Such model will enable fundamental biological studies for a better understanding of the aetiology and pathophysiology of psoriasis and aid in novel therapeutic target identification and drug development studies.
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Affiliation(s)
- Hanna Niehues
- Department of Dermatology, Radboud university medical center, Radboud Institute for Molecular Life Sciences, Nijmegen, The Netherlands
| | - Ellen H van den Bogaard
- Department of Dermatology, Radboud university medical center, Radboud Institute for Molecular Life Sciences, Nijmegen, The Netherlands
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4
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Vinter H, Langkilde A, Ottosson V, Espinosa A, Wahren-Herlenius M, Raaby L, Johansen C, Iversen L. TRIM21 is important in the early phase of inflammation in the imiquimod-induced psoriasis-like skin inflammation mouse model. Exp Dermatol 2017; 26:713-720. [PMID: 27943421 DOI: 10.1111/exd.13269] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/29/2016] [Indexed: 12/22/2022]
Abstract
Tripartite motif-containing protein 21 (TRIM21) regulates pro-inflammatory cytokines and type I interferons and acts as an autoantigen in certain autoimmune diseases, but TRIM21 has not been investigated in psoriasis. It has been suggested that TRIM21 may have a dual function; in the early phase of inflammation, it may function as a stimulator; but upon immune stimulation, its ubiquitinating mode of action may shift from stabilization to degradation of IRF3 causing inhibition of the immune responses. The imiquimod (IMQ)-induced psoriasis-like mouse model displays features similar to those of human psoriasis. However, chronicity is lacking in this model. We investigated whether the role of TRIM21 in psoriasis was pro-inflammatory or anti-inflammatory. We hypothesized that a shift of the TRIM21-ubiquitinating mode of action may explain the lack of chronicity in the IMQ-induced psoriasis-like mouse model. We showed that TRIM21 expression is increased in lesional psoriatic skin and in the early phase of IMQ-induced inflammation both in vitro and in vivo. Surprisingly, inflammation was significantly less pronounced in TRIM21 knockout mice than in wild-type mice as shown by ear thickness measured at days 8, 9 and 10 after treatment start, by spleen weight as a marker of systemic effect of IMQ at 10 days after treatment start and by expression of IL-12p40 at days 3 and 10 after treatment start and IL-17A at day 3 after treatment start. Therefore, induction of TRIM21 expression cannot explain the lack of chronicity in the IMQ-induced psoriasis-like skin inflammation mouse model.
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Affiliation(s)
- Hanne Vinter
- Department of Dermatology, Aarhus University Hospital, Aarhus C, Denmark
| | - Ane Langkilde
- Department of Dermatology, Aarhus University Hospital, Aarhus C, Denmark
| | - Vijole Ottosson
- Department of Medicine, Karolinska University Hospital Solna, Stockholm, Sweden
| | - Alexander Espinosa
- Department of Medicine, Karolinska University Hospital Solna, Stockholm, Sweden
| | | | - Line Raaby
- Department of Dermatology, Aarhus University Hospital, Aarhus C, Denmark
| | - Claus Johansen
- Department of Dermatology, Aarhus University Hospital, Aarhus C, Denmark
| | - Lars Iversen
- Department of Dermatology, Aarhus University Hospital, Aarhus C, Denmark
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5
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Anand S, Gupta P, Bhardwaj R, Narang T, Dogra S, Minz RW, Saikia B, Chhabra S. Is psoriasis an autoimmune disease? Interpretations from an immunofluorescence‐based study. J Cutan Pathol 2017; 44:346-351. [DOI: 10.1111/cup.12891] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Revised: 12/30/2016] [Accepted: 01/03/2017] [Indexed: 01/12/2023]
Affiliation(s)
- Shashi Anand
- Department of ImmunopathologyPostgraduate Institute of Medical Education and Research Chandigarh India
| | - Parikshaa Gupta
- Department of ImmunopathologyPostgraduate Institute of Medical Education and Research Chandigarh India
| | - Ranjeet Bhardwaj
- Department of ImmunopathologyPostgraduate Institute of Medical Education and Research Chandigarh India
| | - Tarun Narang
- Department of Dermatology, Venereology and LeprologyPostgraduate Institute of Medical Education and Research Chandigarh India
| | - Sunil Dogra
- Department of Dermatology, Venereology and LeprologyPostgraduate Institute of Medical Education and Research Chandigarh India
| | - Ranjana W. Minz
- Department of ImmunopathologyPostgraduate Institute of Medical Education and Research Chandigarh India
| | - Biman Saikia
- Department of ImmunopathologyPostgraduate Institute of Medical Education and Research Chandigarh India
| | - Seema Chhabra
- Department of ImmunopathologyPostgraduate Institute of Medical Education and Research Chandigarh India
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6
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Mildner M, Bauer R, Mlitz V, Ballaun C, Tschachler E. Matriptase-1 expression is lost in psoriatic skin lesions and is downregulated by TNFα in vitro. J Dtsch Dermatol Ges 2016; 13:1165-74. [PMID: 26513078 DOI: 10.1111/ddg.12812] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
BACKGROUND AND OBJECTIVES Matriptase-1 participates in terminal keratinocyte (KC) differentiation. Knockdown of matriptase-1 in skin equivalent cultures leads to impaired KC differentiation and retention of nuclei in the stratum corneum. Here, we investigated the expression and regulation of matriptase-1 in psoriatic skin and in KC in vitro. PATIENTS AND METHODS Matriptase-1 expression in healthy and psoriatic skin and its regulation in skin equivalents were analyzed by Western blotting, immunofluorescence staining, qRT-PCR, and activity assays. Involvement of the nuclear factor kappa B (NFκB) signaling pathway was investigated by adenoviral overexpression of a dominant-negative form of IKK2. RESULTS Matriptase-1 expression was detected in the stratum granulosum of healthy human skin and in skin equivalent cultures. Its expression and activity was strongly reduced in lesional skin of patients with psoriasis. Addition of TNFα to skin equivalent cultures resulted in complete loss of matriptase-1 expression accompanied by disturbed KC differentiation. Mechanistically, we were able to show that TNFα-induced downregulation of matriptase-1 was inhibited by blocking the IKK2/NFκB signaling pathway. CONCLUSIONS Given that matriptase-1 participates in terminal KC differentiation, its absence in psoriatic skin lesions indicates that this contributes to the barrier disturbances in this disease. Our data suggests that blocking the IKK2/NFκB-pathway represents a potential target for the treatment of psoriasis.
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Affiliation(s)
- Michael Mildner
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Reinhard Bauer
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Veronika Mlitz
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Claudia Ballaun
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Erwin Tschachler
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
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7
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Thirupathi A, Elango T, Subramanian S, Gnanaraj P. Methotrexate regulates Th-1 response by suppressing caspase-1 and cytokines in psoriasis patients. Clin Chim Acta 2016; 453:164-9. [DOI: 10.1016/j.cca.2015.12.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Revised: 12/15/2015] [Accepted: 12/15/2015] [Indexed: 12/12/2022]
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8
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Mildner M, Bauer R, Mlitz V, Ballaun C, Tschachler E. Matriptase-1-Expression ist in psoriatischen Hautläsionen reduziert und wird in vitro durch TNFα herabreguliert. J Dtsch Dermatol Ges 2015. [DOI: 10.1111/ddg.80_12812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Michael Mildner
- Universitätsklinik für Dermatologie; Medizinische Universität Wien; Wien Österreich
| | - Reinhard Bauer
- Universitätsklinik für Dermatologie; Medizinische Universität Wien; Wien Österreich
| | - Veronika Mlitz
- Universitätsklinik für Dermatologie; Medizinische Universität Wien; Wien Österreich
| | - Claudia Ballaun
- Universitätsklinik für Dermatologie; Medizinische Universität Wien; Wien Österreich
| | - Erwin Tschachler
- Universitätsklinik für Dermatologie; Medizinische Universität Wien; Wien Österreich
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9
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Xie S, Chen Z, Wang Q, Song X, Zhang L. Comparisons of gene expression in normal, lesional, and non-lesional psoriatic skin using DNA microarray techniques. Int J Dermatol 2014; 53:1213-20. [PMID: 25041445 DOI: 10.1111/ijd.12476] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
OBJECTIVES This study was designed to explore the pathogenesis of psoriasis and to identify potential bio-targets. Genome array technology was used to analyze the gene expression profiles of lesional and non-lesional psoriatic skin samples and normal skin samples. METHODS Gene expression profile GSE14905 was downloaded from the Gene Expression Omnibus (GEO) database. This included skin biopsy samples from normal healthy donors (n = 21), lesional skin biopsy samples from psoriasis patients (n = 33), and non-lesional skin biopsy samples from psoriasis patients (n = 28). Differentially expressed genes (DEGs) were identified using the Limma package in R language. Functions of specific DEGs were predicted by Gene Ontology (GO) enrichment analysis. A protein-protein interaction network was constructed to display the interactions among common DEGs. Finally, DAVID and WebGestalt were used to achieve a functional analysis of common DEGs. RESULTS Totals of 1020, 562, and 643 genes, respectively, were identified as being differentially expressed in normal versus lesional, normal versus non-lesional, and lesional versus non-lesional samples. The specific DEGs in the three groups were enriched for several GO terms, including mitotic cell cycle, immune response, and response to organic matter. The 40 common DEGs in the three groups may be involved in the defense response pathway in the development of psoriasis. Furthermore, three genes (RGS1, SOCS3, and NAMPT) may play key roles in distinguishing lesional and non-lesional tissues from normal tissues, and 10 genes (PTRRC, ALDH1A3, SAMSA1, C15orf48, ZC3H12A, SOD2, IL8, LTF, RHCG, and IL7R) may play key roles in distinguishing non-lesional from normal and lesional samples. CONCLUSIONS These genes may be considered as potential diagnostic markers and targets of therapeutics in psoriasis.
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Affiliation(s)
- Shaoqiong Xie
- Traditional Chinese Medicine Department of Dermatology, Shanghai Skin Disease Hospital, Shanghai, China
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10
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Christophers E. Psoriasis: heterogeneity, innate immunity and comorbidities. ACTA ACUST UNITED AC 2014. [DOI: 10.1586/edm.12.11] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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11
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Wiczling P, Rosenzweig M, Vaickus L, Jusko WJ. Pharmacokinetics and Pharmacodynamics of a Chimeric/Humanized Anti-CD3 Monoclonal Antibody, Otelixizumab (TRX4), in Subjects With Psoriasis and With Type 1 Diabetes Mellitus. J Clin Pharmacol 2013; 50:494-506. [DOI: 10.1177/0091270009349376] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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12
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Singh MD, King V, Baldwin H, Burden D, Thorrat A, Holmes S, McInnes IB, Nicoll R, Shams K, Pallas K, Jamieson T, Lee KM, Carballido JM, Rot A, Graham GJ. Elevated expression of the chemokine-scavenging receptor D6 is associated with impaired lesion development in psoriasis. THE AMERICAN JOURNAL OF PATHOLOGY 2012; 181:1158-64. [PMID: 22867710 PMCID: PMC3532592 DOI: 10.1016/j.ajpath.2012.06.042] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2011] [Revised: 05/01/2012] [Accepted: 06/12/2012] [Indexed: 11/18/2022]
Abstract
D6 is a scavenging-receptor for inflammatory CC chemokines that are essential for resolution of inflammatory responses in mice. Here, we demonstrate that D6 plays a central role in controlling cutaneous inflammation, and that D6 deficiency is associated with development of a psoriasis-like pathology in response to varied inflammatory stimuli in mice. Examination of D6 expression in human psoriatic skin revealed markedly elevated expression in both the epidermis and lymphatic endothelium in "uninvolved" psoriatic skin (ie, skin that was more than 8 cm distant from psoriatic plaques). Notably, this increased D6 expression is associated with elevated inflammatory chemokine expression, but an absence of plaque development, in uninvolved skin. Along with our previous observations of the ability of epidermally expressed transgenic D6 to impair cutaneous inflammatory responses, our data support a role for elevated D6 levels in suppressing inflammatory chemokine action and lesion development in uninvolved psoriatic skin. D6 expression consistently dropped in perilesional and lesional skin, coincident with development of psoriatic plaques. D6 expression in uninvolved skin also was reduced after trauma, indicative of a role for trauma-mediated reduction in D6 expression in triggering lesion development. Importantly, D6 is also elevated in peripheral blood leukocytes in psoriatic patients, indicating that upregulation may be a general protective response to inflammation. Together our data demonstrate a novel role for D6 as a regulator of the transition from uninvolved to lesional skin in psoriasis.
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Affiliation(s)
- Mark D. Singh
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Vicky King
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Helen Baldwin
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | | | | | - Susan Holmes
- Glasgow Royal Infirmary, Glasgow, United Kingdom
| | - Iain B. McInnes
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Ruairidh Nicoll
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Kave Shams
- Western Infirmary, Glasgow, United Kingdom
| | - Kenneth Pallas
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Thomas Jamieson
- The Beatson Institute for Cancer Research, Glasgow, United Kingdom
| | - Kit Ming Lee
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Jose M. Carballido
- Novartis Institutes for Biomedical Research Autoimmunity, Transplantation & Inflammation, Basel, Switzerland
| | - Antal Rot
- Novartis Institutes for Biomedical Research, Vienna, Austria
- MRC Centre for Immune Regulation, College of Medical & Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Gerard J. Graham
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
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13
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Coda AB, Icen M, Smith JR, Sinha AA. Global transcriptional analysis of psoriatic skin and blood confirms known disease-associated pathways and highlights novel genomic "hot spots" for differentially expressed genes. Genomics 2012; 100:18-26. [PMID: 22584065 DOI: 10.1016/j.ygeno.2012.05.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2012] [Accepted: 05/06/2012] [Indexed: 11/18/2022]
Abstract
There are major gaps in our knowledge regarding the exact mechanisms and genetic basis of psoriasis. To investigate the pathogenesis of psoriasis, gene expression in 10 skin (5 lesional, 5 nonlesional) and 11 blood (6 psoriatic, 5 nonpsoriatic) samples were examined using Affymetrix HG-U95A microarrays. We detected 535 (425 upregulated, 110 downregulated) DEGs in lesional skin at 1% false discovery rate (FDR). Combining nine microarray studies comparing lesional and nonlesional psoriatic skin, 34.5% of dysregulated genes were overlapped in multiple studies. We further identified 20 skin and 2 blood associated transcriptional "hot spots" at specified genomic locations. At 5% FDR, 11.8% skin and 10.4% blood DEGs in our study mapped to one of the 12 PSORS loci. DEGs that overlap with PSORS loci may offer prioritized targets for downstream genetic fine mapping studies. Novel DEG "hot spots" may provide new targets for defining susceptibility loci in future studies.
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Affiliation(s)
- Alvin B Coda
- Division of Dermatology and Cutaneous Sciences, Center for Investigative Dermatology, Michigan State University, East Lansing, MI, USA.
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14
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Abd El Kawy FA, Abd El Azeem AA, Abd El-Aziz GA, Yahea R, El-Badawy N. Expression of toll-like receptor-2 in psoriasis. JOURNAL OF THE EGYPTIAN WOMENʼS DERMATOLOGIC SOCIETY 2012; 9:113-117. [DOI: 10.1097/01.ewx.0000413052.47404.a1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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15
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Velez-DelValle C, Marsch-Moreno M, Castro-Muñozledo F, Kuri-Harcuch W. Decorin gene expression and its regulation in human keratinocytes. Biochem Biophys Res Commun 2011; 411:168-74. [PMID: 21723264 DOI: 10.1016/j.bbrc.2011.06.122] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2011] [Accepted: 06/17/2011] [Indexed: 11/16/2022]
Abstract
In various cell types, including cancer cells, decorin is involved in regulation of cell attachment, migration and proliferation. In skin, decorin is seen in dermis, but not in keratinocytes. We show that decorin gene (DCN) is expressed in the cultured keratinocytes, and the protein is found in the cytoplasm of differentiating keratinocytes and in suprabasal layers of human epidermis. RT-PCR experiments showed that DCN expression is regulated by pro-inflammatory and proliferative cytokines. Our data suggest that decorin should play a significant role in keratinocyte terminal differentiation, cutaneous homeostasis and dermatological diseases.
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Affiliation(s)
- Cristina Velez-DelValle
- Department of Cell Biology, Centro de Investigación y de Estudios Avanzados del IPN, Apdo. Postal 14-740, México DF 07000, Mexico
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16
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Simonart T, Heenen M, Lejeune O. Epidermal kinetic alterations required to generate the psoriatic phenotype: a reappraisal. Cell Prolif 2010; 43:321-5. [PMID: 20546247 DOI: 10.1111/j.1365-2184.2010.00672.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
OBJECTIVES Although there have been major advances in understanding immunopathogenesis of psoriasis, the basic processes causing psoriatic morphology remain to be identified. MATERIALS AND METHODS Our group has designed a systematic review of studies (1962-2009) on keratinocyte kinetics in psoriasis. We obtained data from MEDLINE, PubMed, Current Contents, reference lists and specialist textbooks. A general equation for evolution of the differentiated epidermis has been analysed. Necessary conditions for observed qualitative change in homeostasis between normal skin and established psoriatic lesions were determined. RESULTS AND DISCUSSION Increase in the number of cell divisions (or imbalance in symmetric division rates of committed progenitor cells) and/or decrease in physiological apoptosis in the germinative compartment, together with feedback loops that limit thickening of the skin, are required to generate psoriatic morphology, that is, to increase the absolute size but decrease relative size of the differentiated cell compartment with respect to the germinative compartment.
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Affiliation(s)
- T Simonart
- Department of Dermatology, Hôpital Universitaire Erasme, Brussels, Belgium.
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17
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Rutter KJ, Watson RE, Cotterell LF, Brenn T, Griffiths CE, Rhodes LE. Severely Photosensitive Psoriasis: A Phenotypically Defined Patient Subset. J Invest Dermatol 2009; 129:2861-7. [DOI: 10.1038/jid.2009.156] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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18
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Characterization of a murine keyhole limpet hemocyanin (KLH)-delayed-type hypersensitivity (DTH) model: Role for p38 kinase. Int Immunopharmacol 2009; 9:1218-27. [DOI: 10.1016/j.intimp.2009.07.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2008] [Revised: 07/07/2009] [Accepted: 07/08/2009] [Indexed: 12/18/2022]
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19
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Alexandroff AB, Pauriah M, Camp RDR, Lang CC, Struthers AD, Armstrong DJ. More than skin deep: atherosclerosis as a systemic manifestation of psoriasis. Br J Dermatol 2009; 161:1-7. [PMID: 19500102 DOI: 10.1111/j.1365-2133.2009.09281.x] [Citation(s) in RCA: 105] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
There is now growing evidence that psoriasis, like other inflammatory diseases such as rheumatoid arthritis and systemic lupus erythematosus, is a systemic disorder that is associated with enhanced atherosclerosis and risk of coronary artery disease. Here we summarize the available epidemiological evidence for this association and analyse pathogenic features that are common to psoriasis and atherosclerosis. Further prospective studies are urgently needed to extend knowledge of the risk of cardiovascular morbidity and mortality in patients with psoriasis and to confirm the degree to which treatment of psoriasis reduces this risk. Nevertheless, existing data are sufficient to indicate that severe psoriasis should be more widely recognized as a potential risk factor for cardiovascular disease and should be considered with the established factors when formulating strategies for the management of cardiovascular risk.
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Affiliation(s)
- A B Alexandroff
- Department of Dermatology, Leicester Royal Infirmary, Leicester LE1 5WW, UK.
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20
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Manel Casanova J, Sanmartín V, Martí RM, Ferran M, Pujol RM, Ribera M. Tratamiento de la psoriasis en placas moderada y grave con etanercept. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/s0213-9251(09)70337-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Friedewald VE, Cather JC, Gelfand JM, Gordon KB, Gibbons GH, Grundy SM, Jarratt MT, Krueger JG, Ridker PM, Stone N, Roberts WC. AJC editor's consensus: psoriasis and coronary artery disease. Am J Cardiol 2008; 102:1631-43. [PMID: 19064017 DOI: 10.1016/j.amjcard.2008.10.004] [Citation(s) in RCA: 203] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2008] [Accepted: 10/29/2008] [Indexed: 11/30/2022]
Affiliation(s)
- Vincent E Friedewald
- Department of Internal Medicine, The University of Texas Medical School at Houston, Houston, Texas, USA.
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Elias PM, Arbiser J, Brown BE, Rossiter H, Man MQ, Cerimele F, Crumrine D, Gunathilake R, Choi EH, Uchida Y, Tschachler E, Feingold KR. Epidermal vascular endothelial growth factor production is required for permeability barrier homeostasis, dermal angiogenesis, and the development of epidermal hyperplasia: implications for the pathogenesis of psoriasis. THE AMERICAN JOURNAL OF PATHOLOGY 2008; 173:689-99. [PMID: 18688025 DOI: 10.2353/ajpath.2008.080088] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Primary abnormalities in permeability barrier function appear to underlie atopic dermatitis and epidermal trauma; a concomitant barrier dysfunction could also drive other inflammatory dermatoses, including psoriasis. Central to this outside-inside view of disease pathogenesis is the epidermal generation of cytokines/growth factors, which in turn signal downstream epidermal repair mechanisms. Yet, this cascade, if sustained, signals downstream epidermal hyperplasia and inflammation. We found here that acute barrier disruption rapidly stimulates mRNA and protein expression of epidermal vascular endothelial growth factor-A (VEGF-A) in normal hairless mice, a specific response to permeability barrier requirements because up-regulation is blocked by application of a vapor-impermeable membrane. Moreover, epidermal vegf(-/-) mice display abnormal permeability barrier homeostasis, attributable to decreased VEGF signaling of epidermal lamellar body production; a paucity of dermal capillaries with reduced vascular permeability; and neither angiogenesis nor epidermal hyperplasia in response to repeated tape stripping (a model of psoriasiform hyperplasia). These results support a central role for epidermal VEGF in the maintenance of epidermal permeability barrier homeostasis and a link between epidermal VEGF production and both dermal angiogenesis and the development of epidermal hyperplasia. Because psoriasis is commonly induced by external trauma [isomorphic (Koebner) phenomenon] and is associated with a prominent permeability barrier abnormality, excess VEGF production, prominent angiogenesis, and epidermal hyperplasia, these results could provide a potential outside-inside mechanistic basis for the development of psoriasis.
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Affiliation(s)
- Peter M Elias
- Dermatology Service (190), VA Medical Center, 4150 Clement St., San Francisco, CA 94121, USA.
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Birnie A, Langan S, English J. Updates from the British Association of Dermatologists 87th Annual Meeting, 10–13 July 2007, Birmingham, U.K. Br J Dermatol 2008; 158:1182-8. [DOI: 10.1111/j.1365-2133.2008.08568.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Pietrzak AT, Zalewska A, Chodorowska G, Krasowska D, Michalak-Stoma A, Nockowski P, Osemlak P, Paszkowski T, Roliński JM. Cytokines and anticytokines in psoriasis. Clin Chim Acta 2008; 394:7-21. [PMID: 18445484 DOI: 10.1016/j.cca.2008.04.005] [Citation(s) in RCA: 111] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2007] [Revised: 03/31/2008] [Accepted: 04/04/2008] [Indexed: 12/13/2022]
Abstract
BACKGROUND Psoriasis is a chronic autoimmune hyperproliferative skin disease of varying severity affecting approximately 2-3% of the general population in the USA and Europe. Although the pathogenesis of psoriasis has not been fully elucidated, an immunologic-genetic relationship is likely. Cutaneous and systemic overexpression of various proinflammatory cytokines (TNF, interleukins, interferon-gamma) has been demonstrated in psoriatic patients. METHODS We reviewed the current database literature and summarized the involvement of cytokines and their receptors in the pathogenesis and treatment of psoriasis. RESULTS Although many cytokine/anti-cytokine therapies have been conducted, TNF antagonists in the treatment of both psoriasis arthropatica and vulgaris appear to be the most widely used clinically. Interestingly, the efficacy and tolerability of some cytokines (rhIL-11 or ABX-IL-8,) were found to be much lower than expected. CONCLUSIONS Preliminary results obtained with cytokine and anti-cytokine therapies appear promising and as such continued research is clearly indicated.
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Affiliation(s)
- Aldona T Pietrzak
- Chair and Department of Dermatology, Medical University of Lublin, Poland.
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van Lingen RG, van de Kerkhof PCM, de Jong EMGJ, Seyger MMB, Boezeman JBM, van Erp PEJ. Reduced CD26bright expression of peripheral blood CD8+ T-cell subsets in psoriatic patients. Exp Dermatol 2008; 17:343-8. [DOI: 10.1111/j.1600-0625.2007.00650.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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