1
|
Schmuth M, Eckmann S, Moosbrugger-Martinz V, Ortner-Tobider D, Blunder S, Trafoier T, Gruber R, Elias PM. Skin Barrier in Atopic Dermatitis. J Invest Dermatol 2024; 144:989-1000.e1. [PMID: 38643989 DOI: 10.1016/j.jid.2024.03.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 02/27/2024] [Accepted: 03/07/2024] [Indexed: 04/23/2024]
Abstract
A compromised permeability barrier is a hallmark of atopic dermatitis (AD). Localized to the outermost skin layer, the stratum corneum (SC) is critically dependent on terminal differentiation of epidermal keratinocytes, which transform into protein-rich corneocytes surrounded by extracellular lamellae of unique epidermal lipids, conferring permeability barrier function. These structures are disrupted in AD. A leaky barrier is prone to environmental insult, which in AD elicits type 2-dominant inflammation, in turn resulting in a vicious cycle further impairing the SC structure. Therapies directed at enforcing SC structure and anti-inflammatory strategies administered by topical and systemic route as well as UV therapy have differential effects on the permeability barrier. The expanding armamentarium of therapeutic modalities for AD treatment warrants optimization of their effects on permeability barrier function.
Collapse
Affiliation(s)
- Matthias Schmuth
- Dermatology, Venerology and Allergy, Medical University Innsbruck, Innsbruck, Austria; Institute for Pediatric Dermatology and Rare Diseases, Karl Landsteiner Society, Innsbruck, Austria.
| | - Sonja Eckmann
- Dermatology, Venerology and Allergy, Medical University Innsbruck, Innsbruck, Austria
| | | | | | - Stefan Blunder
- Dermatology, Venerology and Allergy, Medical University Innsbruck, Innsbruck, Austria
| | - Thomas Trafoier
- Dermatology, Venerology and Allergy, Medical University Innsbruck, Innsbruck, Austria
| | - Robert Gruber
- Dermatology, Venerology and Allergy, Medical University Innsbruck, Innsbruck, Austria; Institute for Pediatric Dermatology and Rare Diseases, Karl Landsteiner Society, Innsbruck, Austria
| | - Peter M Elias
- Dermatology, Veteran Affairs Health Care System, San Francisco, California, USA; University of California San Francisco, San Francisco, California, USA
| |
Collapse
|
2
|
Sukseree S, Gruber R, Tschachler E, Eckhart L. Letter to the Editor, "Autophagy Plays a Crucial Role in Ameloblast Differentiation". J Dent Res 2024; 103:452. [PMID: 37968790 DOI: 10.1177/00220345231210462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2023] Open
Affiliation(s)
- S Sukseree
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - R Gruber
- Department of Oral Biology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
| | - E Tschachler
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - L Eckhart
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| |
Collapse
|
3
|
Gruber R, Häfner M, Kachel S. Dressing up social psychology: Empirically investigating the psychological functions of clothing using the example of symbolic protection. Br J Soc Psychol 2024; 63:1003-1035. [PMID: 38010875 DOI: 10.1111/bjso.12700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 11/07/2023] [Accepted: 11/08/2023] [Indexed: 11/29/2023]
Abstract
Clothing behaviour remains an understudied research area within social psychology. Through the present research, we aim to anchor attire as an empirical research subject by investigating the psychological properties of one of its functionalities, namely, to provide protection. We argue that attire's undisputed role in shielding humans from environmental hazards may extend to the psychological level and protect them from the incorporeal consequences of existential threats symbolically. In this Registered Report, a mixed-methods approach links an ecologically valid field study of self-presentation in social media posts during Russia's war on Ukraine (Study 1; N = 248) with supraliminal priming of mortality salience in an online experiment (Study 2; N = 248). Across both studies, we expect that mortality concerns let people accentuate the physically protective attributes of clothing (e.g. more layers of clothing) and resort to more in-group prototypical dress styles (i.e. more gender-stereotypical). Findings show that people adjust their clothing preferences in response to existential threats, favouring in-group prototypical clothing (more gender-typical for both women and men in Study 1) and physically protective attire (higher in women and lower in men in Study 2) during high (vs. low) levels of existential threat. By positioning clothing as a research area within social psychology, our goal is to stimulate a wave of research on its profound role for humankind. Furthermore, we provide a dynamic and robust methodological approach to researching terror management theory.
Collapse
Affiliation(s)
- Robert Gruber
- Institute for Theory and Practice of Communication, Berlin University of the Arts, Berlin, Germany
- Department of Social, Environmental, and Economic Psychology, University of Kaiserslautern-Landau, Landau, Germany
| | - Michael Häfner
- Institute for Theory and Practice of Communication, Berlin University of the Arts, Berlin, Germany
| | - Sven Kachel
- Department of Social, Environmental, and Economic Psychology, University of Kaiserslautern-Landau, Landau, Germany
- Department of Languages, University of Helsinki, Helsinki, Finland
| |
Collapse
|
4
|
Alakloby OM, Almuqarrab F, Zschocke J, Schmuth M, Abdulkareem A, Alnutaifi K, Borgio F, Gruber R, Hennies HC. Filaggrin gene variants among Saudi patients with ichthyosis vulgaris. BMC Med Genomics 2023; 16:256. [PMID: 37872553 PMCID: PMC10591457 DOI: 10.1186/s12920-023-01700-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 10/13/2023] [Indexed: 10/25/2023] Open
Abstract
Ichthyoses are a heterogeneous group of cornification disorders. The most common form of ichthyoses is ichthyosis vulgaris (IV) ([OMIM] #146,700), which can be inherited as autosomal semi-dominant mutation in the filaggrin gene (FLG). We present the findings of a study involving 35 Saudi patients with a clinical diagnosis of ichthyosis vulgaris. For identifying the pathogenic mutation of their disease, we used Sanger sequencing analysis of the extracted DNA samples. We also identified the underlying 22 FLG variants, which have been seen before. However, the detected mutations do not involve the common p.R501* c. 2282del4 mutations reported in European populations. Indeed, we did not identify any statistical influence of the homozygous or heterozygous genotypes on the phenotype severity of the disease.
Collapse
Affiliation(s)
- Omar Mohammed Alakloby
- Department of Dermatology, College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Fatimah Almuqarrab
- Department of Dermatology, College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia.
- Dermatology Department, King Saud University Medical City, Riyadh, Saudi Arabia.
| | - Johannes Zschocke
- Institute of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria
| | - Mathias Schmuth
- Department of Dermatology, Medical University of Innsbruck, Innsbruck, Austria
| | | | - Kholood Alnutaifi
- Department of Dermatology, College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Francis Borgio
- Department of Genetic Research, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Robert Gruber
- Department of Dermatology, Medical University of Innsbruck, Innsbruck, Austria
| | - Hans Christian Hennies
- Institute of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria
- Department of Biological and Geographical Sciences, University of Huddersfield, Huddersfield, UK
- Cologne Center for Genomics, University Hospital Cologne, Cologne, Germany
| |
Collapse
|
5
|
Minzaghi D, Pavel P, Kremslehner C, Gruber F, Oberreiter S, Hagenbuchner J, Del Frari B, Blunder S, Gruber R, Dubrac S. Excessive Production of Hydrogen Peroxide in Mitochondria Contributes to Atopic Dermatitis. J Invest Dermatol 2023; 143:1906-1918.e8. [PMID: 37085042 DOI: 10.1016/j.jid.2023.03.1680] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 03/07/2023] [Accepted: 03/30/2023] [Indexed: 04/23/2023]
Abstract
Atopic dermatitis (AD) is a complex disease characterized by chronic recurring eczema and pruritus. In addition, patients with AD display increased cutaneous and systemic levels of oxidative damage markers, whose source remains elusive. In this study, we investigated oxidative and mitochondrial stress in AD epidermis. The levels of superoxide dismutase 2 and hydrogen peroxide are augmented in the mitochondria of flaky tail (ft/ft) mouse keratinocytes, which is associated with the inhibition of the glutathione system and catalase. Furthermore, reduced levels of glutathione peroxidase 4 are associated with accumulation of malondialdehyde, 4-hydroxy-2-nonenal, and oxidized phosphatidylcholines in ft/ft epidermis. Cytochrome c is markedly increased in ft/ft epidermis, hence showing mitochondrial stress. Topical application of MitoQ, which is a mitochondrial-targeting antioxidant, to ft/ft mouse skin reduced damage to macromolecules and inflammation and restored epidermal homeostasis. Absence of alteration in the expression of superoxide dismutase 2, catalase, and glutathione peroxidase 4 and limited lipid peroxidation as well as oxidized phosphatidylcholines in the epidermis of Flg-/- mice suggest that FLG deficiency marginally contributes to oxidative stress in ft/ft epidermis. Increased superoxide dismutase 2, lipid peroxidation, and cytochrome c in the epidermis of patients with AD, associated with reduced antioxidant response in primary AD keratinocytes, corroborate mitochondrial dysfunction and lack of cellular adjustment to oxidative stress in AD epidermis.
Collapse
Affiliation(s)
- Deborah Minzaghi
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Petra Pavel
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | | | - Florian Gruber
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Sophie Oberreiter
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | | | - Barbara Del Frari
- Department of Plastic, Reconstructive and Aesthetic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - Stefan Blunder
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Robert Gruber
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Sandrine Dubrac
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria.
| |
Collapse
|
6
|
Valette C, Jonca N, Fischer J, Pernin-Grandjean J, Granier Tournier C, Diociaiuti A, Neri I, Dreyfus I, Furman M, Giehl K, Wollenberg A, Mallet S, Martin L, Martin-Santiago A, Onnis G, Broue P, Leclerc-Mercier S, Schmuth M, Sprecher E, Gruber R, Suessmuth K, Bourrat E, Komlosi K, Hill S, O'Toole EA, Schischmanoff O, Caux F, Mazereeuw-Hautier J. A retrospective study on the liver toxicity of oral retinoids in Chanarin-Dorfman syndrome. J Eur Acad Dermatol Venereol 2023; 37:e1237-e1241. [PMID: 37257069 DOI: 10.1111/jdv.19235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 05/26/2023] [Indexed: 06/02/2023]
Affiliation(s)
- C Valette
- Reference Centre for Rare Skin Diseases, Department of Dermatology, Larrey Hospital, CHU Toulouse, Toulouse, France
| | - N Jonca
- Infinity, University of Toulouse, CNRS, INSERM, Université Paul Sabatier, Toulouse, France
- Laboratoire de Biologie Cellulaire et Cytologie, Institut Fédératif de Biologie, Hôpital Purpan, CHU Toulouse, Toulouse, France
| | - J Fischer
- Institute of Human Genetics, University Medical Center, Freiburg, Germany
| | - J Pernin-Grandjean
- Infinity, University of Toulouse, CNRS, INSERM, Université Paul Sabatier, Toulouse, France
- Laboratoire de Biologie Cellulaire et Cytologie, Institut Fédératif de Biologie, Hôpital Purpan, CHU Toulouse, Toulouse, France
| | - C Granier Tournier
- Reference Centre for Rare Skin Diseases, Department of Dermatology, Larrey Hospital, CHU Toulouse, Toulouse, France
| | - A Diociaiuti
- Dermatology Unit and Genodermatosis Unit, Genetics and Rare Diseases Research Division, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - I Neri
- Department of Dermatology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - I Dreyfus
- Reference Centre for Rare Skin Diseases, Department of Dermatology, Larrey Hospital, CHU Toulouse, Toulouse, France
| | - M Furman
- Department of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - K Giehl
- Department of Dermatology and Allergy, University Hospital, LMU Munich, Munich, Germany
| | - A Wollenberg
- Department of Dermatology and Allergy, University Hospital, LMU Munich, Munich, Germany
| | - S Mallet
- Department of Dermatology, University Hospital Center of Marseille, Marseille, France
| | - L Martin
- Department of Dermatology, University Hospital Center of Angers, Angers, France
| | - A Martin-Santiago
- Department of Dermatology, Hospital Universitari Son Espases, Palma, Spain
| | - G Onnis
- Reference Centre for Rare Skin Diseases, Department of Dermatology, Larrey Hospital, CHU Toulouse, Toulouse, France
| | - P Broue
- Pediatric Hepatology and Reference Centre for Inborn Error of Metabolism, Children Hospital, Toulouse, France
| | - S Leclerc-Mercier
- Department of Pathology and Reference Center for Genodermatoses and Rare Skin Diseases (MAGEC), Necker- Enfants Malades University Hospital, Paris, France
| | - M Schmuth
- Department of Dermatology, Venereology and Allergy, Medical University of Innsbruck and Karl Landsteiner Institute for Paediatric Dermatology and Rare Diseases, Innsbruck, Austria
| | - E Sprecher
- Department of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - R Gruber
- Department of Dermatology, Venereology and Allergy, Medical University of Innsbruck and Karl Landsteiner Institute for Paediatric Dermatology and Rare Diseases, Innsbruck, Austria
| | - K Suessmuth
- Department of Dermatology, University Hospital of Muenster, Muenster, Germany
| | - E Bourrat
- Department of Dermatology, Saint-Louis Hospital, Paris, France
- Department of General Paediatrics, Robert-Debré Hospital, Paris, France
| | - K Komlosi
- Institute of Human Genetics, University Medical Center, Freiburg, Germany
| | - S Hill
- Department of Dermatology, Royal London Hospital, Barts Health NHS Trust ERN-Skin, London, UK
| | - E A O'Toole
- Department of Dermatology, Royal London Hospital, Barts Health NHS Trust ERN-Skin, London, UK
| | - O Schischmanoff
- Department of Dermatology, MAGEC, Groupe Hospitalier Paris Seine-Saint-Denis, AP-HP and INSERM UMR1125, Bobigny, France
| | - F Caux
- Department of Dermatology, Groupe Hospitalier Paris Seine-Saint-Denis, AP-HP and INSERM UMR1125, Bobigny, France
| | - J Mazereeuw-Hautier
- Reference Centre for Rare Skin Diseases, Department of Dermatology, Larrey Hospital, CHU Toulouse, Toulouse, France
- Infinity, University of Toulouse, CNRS, INSERM, Université Paul Sabatier, Toulouse, France
| |
Collapse
|
7
|
Gasslitter I, Kohlmaier B, Schwaberger B, Gruber R. [Erythroderma and epidermal blistering in a newborn]. Dermatologie (Heidelb) 2023; 74:560-562. [PMID: 37166460 PMCID: PMC10289994 DOI: 10.1007/s00105-023-05141-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/14/2023] [Indexed: 05/12/2023]
Affiliation(s)
- Irina Gasslitter
- Universitätsklinik für Dermatologie, Venerologie und Allergologie, Anichstr. 35, 6020, Innsbruck, Österreich.
| | - Benno Kohlmaier
- Klinische Abteilung für Neonatologie, Medizinische Universität Graz, Graz, Österreich
| | - Bernhard Schwaberger
- Klinische Abteilung für Neonatologie, Medizinische Universität Graz, Graz, Österreich
| | - Robert Gruber
- Universitätsklinik für Dermatologie, Venerologie und Allergologie, Anichstr. 35, 6020, Innsbruck, Österreich
| |
Collapse
|
8
|
Kratochvilova A, Stouracova S, Oralova V, Gruber R, Matalova E. Expression of osteogenic factors in FasL-deficient calvarial cells. Physiol Res 2023; 72:117-121. [PMID: 36545877 PMCID: PMC10069817 DOI: 10.33549/physiolres.934945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 11/09/2022] [Indexed: 03/24/2023] Open
Abstract
During bone development, FasL acts not only through the traditional apoptotic mechanism regulating the amount of bone-resorbing osteoclasts, but there is also growing evidence about its effect on cell differentiation. Expression of osteoblastic factors was followed in non differentiated and differentiating primary calvarial cells obtained from FasL-deficient (gld) mice. The gld cells showed decreased expression of the key osteoblastic molecules osteocalcin (Ocn), osteopontin (Opn), and alkaline phosphatase (Alpl) in both groups. Notably, receptor activator of nuclear factor kappa-B ligand (Rankl) was unchanged in non-differentiated gld vs. wild type (wt) cells but decreased in differentiating gld cells. Osteoprotegerin (Opg) in the gld samples was increased in both groups. Opg vs. Rankl expression levels favored Opg in the case of non-differentiated cells but Rankl in differentiating ones. These results expand information on the involvement of FasL in non-apoptotic cell pathways related to osteoblastogenesis and consequently also osteoclastogenesis and pathologies such as osteoporosis.
Collapse
Affiliation(s)
- A Kratochvilova
- Department of Physiology, University of Veterinary Sciences, Brno, Czech Republic.
| | | | | | | | | |
Collapse
|
9
|
Ettinger M, Burner T, Lackner A, Schoeftner LC, Holzgruber J, Gruber R, Guenova E, Schuetz-Bergmayr M, Fischer T, Gratz IK, Kimeswenger S, Hoetzenecker W. Precision medicine approach in a rare case of autosomal recessive congenital ichthyosis. J Dtsch Dermatol Ges 2022; 20:1651-1653. [PMID: 36442141 DOI: 10.1111/ddg.14923] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Monika Ettinger
- Department of Dermatology and Venerology, Kepler University Clinic Linz, Linz, Austria
| | - Teresa Burner
- Department of Dermatology and Venerology, Medical Faculty, Johannes Kepler University Linz, Linz, Austria
| | - Angelika Lackner
- Department of Dermatology and Venerology, Medical Faculty, Johannes Kepler University Linz, Linz, Austria
| | - Leonie C Schoeftner
- Department of Biosciences and Medical Biology, University of Salzburg, Salzburg, Austria
| | - Julia Holzgruber
- Department of Dermatology and Venerology, Kepler University Clinic Linz, Linz, Austria.,Department of Dermatology and Venerology, Medical Faculty, Johannes Kepler University Linz, Linz, Austria
| | - Robert Gruber
- Department of Dermatology, Venerology and Allergy, Medical University of Innsbruck, Innsbruck, Austria
| | - Emmanuella Guenova
- Department of Dermatology, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
| | | | - Tobias Fischer
- Department of Dermatology and Venerology, Kepler University Clinic Linz, Linz, Austria
| | - Iris K Gratz
- Department of Biosciences and Medical Biology, University of Salzburg, Salzburg, Austria
| | - Susanne Kimeswenger
- Department of Dermatology and Venerology, Medical Faculty, Johannes Kepler University Linz, Linz, Austria
| | - Wolfram Hoetzenecker
- Department of Dermatology and Venerology, Kepler University Clinic Linz, Linz, Austria.,Department of Dermatology and Venerology, Medical Faculty, Johannes Kepler University Linz, Linz, Austria
| |
Collapse
|
10
|
Minzaghi D, Pavel P, Leman G, Gruber F, Oberreiter S, Blunder S, Gruber R, Dubrac S. 331 Mitochondrial stress contributes to atopic dermatitis. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.09.344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
|
11
|
Ettinger M, Burner T, Lackner A, Schoeftner LC, Holzgruber J, Gruber R, Guenova E, Schuetz-Bergmayr M, Fischer T, Gratz IK, Kimeswenger S, Hoetzenecker W. Präzisionsmedizinischer Ansatz bei einem seltenen Fall von autosomal rezessiver kongenitaler Ichthyose. J Dtsch Dermatol Ges 2022; 20:1651-1654. [PMID: 36508377 DOI: 10.1111/ddg.14923_g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Monika Ettinger
- Univ.-Klinik für Dermatologie und Venerologie, Kepler Universitätsklinikum Linz, Linz, Österreich
| | - Teresa Burner
- Univ.-Klinik für Dermatologie und Venerologie, Medizinische Fakultät, Johannes Kepler Universität Linz, Linz, Österreich
| | - Angelika Lackner
- Univ.-Klinik für Dermatologie und Venerologie, Medizinische Fakultät, Johannes Kepler Universität Linz, Linz, Österreich
| | - Leonie C Schoeftner
- Fachbereich Biowissenschaften und Medizinische Biologie, Universität Salzburg, Salzburg, Österreich
| | - Julia Holzgruber
- Univ.-Klinik für Dermatologie und Venerologie, Kepler Universitätsklinikum Linz, Linz, Österreich.,Univ.-Klinik für Dermatologie und Venerologie, Medizinische Fakultät, Johannes Kepler Universität Linz, Linz, Österreich
| | - Robert Gruber
- Univ.-Klinik für Dermatologie und Venerologie und Allergologie, Medizinische Universität Innsbruck, Innsbruck, Österreich
| | - Emmanuella Guenova
- Univ.-Klinik für Dermatologie, Fachbereich Biologie und Medizin, Universität Lausanne, Lausanne, Schweiz
| | - Martina Schuetz-Bergmayr
- Univ.-Klinik für Dermatologie und Venerologie, Kepler Universitätsklinikum Linz, Linz, Österreich
| | - Tobias Fischer
- Univ.-Klinik für Dermatologie und Venerologie, Kepler Universitätsklinikum Linz, Linz, Österreich
| | - Iris K Gratz
- Fachbereich Biowissenschaften und Medizinische Biologie, Universität Salzburg, Salzburg, Österreich
| | - Susanne Kimeswenger
- Univ.-Klinik für Dermatologie und Venerologie, Medizinische Fakultät, Johannes Kepler Universität Linz, Linz, Österreich
| | - Wolfram Hoetzenecker
- Univ.-Klinik für Dermatologie und Venerologie, Kepler Universitätsklinikum Linz, Linz, Österreich.,Univ.-Klinik für Dermatologie und Venerologie, Medizinische Fakultät, Johannes Kepler Universität Linz, Linz, Österreich
| |
Collapse
|
12
|
Leman G, Pavel P, Hermann M, Crumrine D, Elias PM, Minzaghi D, Goudounèche D, Roshardt Prieto NM, Cavinato M, Wanner A, Blunder S, Gruber R, Jansen-Dürr P, Dubrac S. Mitochondrial Activity Is Upregulated in Nonlesional Atopic Dermatitis and Amenable to Therapeutic Intervention. J Invest Dermatol 2022; 142:2623-2634.e12. [PMID: 35341734 DOI: 10.1016/j.jid.2022.01.035] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 01/20/2022] [Accepted: 01/30/2022] [Indexed: 12/12/2022]
Abstract
Previous work has shown increased expression of genes related to oxidative stress in nonlesional atopic dermatitis (ADNL) skin. Although mitochondria are key regulators of ROS production, their function in AD has never been investigated. Energy metabolism and the oxidative stress response were studied in keratinocytes (KCs) from patients with ADNL or healthy controls. Moreover, ADNL human epidermal equivalents were treated with tigecycline or MitoQ. We found that pyruvate and glucose were used as energy substrates by ADNL KCs. Increased mitochondrial oxidation of (very) long-chain fatty acids, associated with enhanced complexes I and II activities, was observed in ADNL KCs. Metabolomic analysis revealed increased tricarboxylic acid cycle turnover. Increased aerobic metabolism generated oxidative stress in ADNL KCs. ADNL human epidermal equivalents displayed increased mitochondrial function and an enhanced oxidative stress response compared with controls. Treatment of ADNL human epidermal equivalents with tigecycline or MitoQ largely corrected the AD profile, including high p-65 NF-κB, abnormal lamellar bodies, and cellular damage. Furthermore, we found that glycolysis supports but does not supersede mitochondrial metabolism in ADNL KCs. Thus, aerobic metabolism predominates in ADNL but leads to oxidative stress. Therefore, mitochondria could be a reservoir of potential therapeutic targets in atopic dermatitis.
Collapse
Affiliation(s)
- Geraldine Leman
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Petra Pavel
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Martin Hermann
- Department of Anesthesiology and Critical Care Medicine, Medical University of Innsbruck, Innsbruck, Austria
| | - Debra Crumrine
- Department of Dermatology, University of California San Francisco, San Francisco, California
| | - Peter M Elias
- Department of Dermatology, University of California San Francisco, San Francisco, California
| | - Deborah Minzaghi
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Dominique Goudounèche
- Center of Electron Microscopy Applied to Biology, Faculty of Medicine Rangueil, Toulouse III, Paul Sabatier University, Toulouse, France
| | - Natalia M Roshardt Prieto
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Maria Cavinato
- Research Institute for Biomedical Aging Research, University of Innsbruck, Innsbruck, Austria
| | - Andrea Wanner
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Stefan Blunder
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Robert Gruber
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Pidder Jansen-Dürr
- Research Institute for Biomedical Aging Research, University of Innsbruck, Innsbruck, Austria
| | - Sandrine Dubrac
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria.
| |
Collapse
|
13
|
Moosbrugger-Martinz V, Leprince C, Méchin MC, Simon M, Blunder S, Gruber R, Dubrac S. Revisiting the Roles of Filaggrin in Atopic Dermatitis. Int J Mol Sci 2022; 23:5318. [PMID: 35628125 PMCID: PMC9140947 DOI: 10.3390/ijms23105318] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 05/03/2022] [Accepted: 05/06/2022] [Indexed: 12/31/2022] Open
Abstract
The discovery in 2006 that loss-of-function mutations in the filaggrin gene (FLG) cause ichthyosis vulgaris and can predispose to atopic dermatitis (AD) galvanized the dermatology research community and shed new light on a skin protein that was first identified in 1981. However, although outstanding work has uncovered several key functions of filaggrin in epidermal homeostasis, a comprehensive understanding of how filaggrin deficiency contributes to AD is still incomplete, including details of the upstream factors that lead to the reduced amounts of filaggrin, regardless of genotype. In this review, we re-evaluate data focusing on the roles of filaggrin in the epidermis, as well as in AD. Filaggrin is important for alignment of keratin intermediate filaments, control of keratinocyte shape, and maintenance of epidermal texture via production of water-retaining molecules. Moreover, filaggrin deficiency leads to cellular abnormalities in keratinocytes and induces subtle epidermal barrier impairment that is sufficient enough to facilitate the ingress of certain exogenous molecules into the epidermis. However, although FLG null mutations regulate skin moisture in non-lesional AD skin, filaggrin deficiency per se does not lead to the neutralization of skin surface pH or to excessive transepidermal water loss in atopic skin. Separating facts from chaff regarding the functions of filaggrin in the epidermis is necessary for the design efficacious therapies to treat dry and atopic skin.
Collapse
Affiliation(s)
- Verena Moosbrugger-Martinz
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Anichstraße 35, 6020 Innsbruck, Austria; (V.M.-M.); (S.B.); (R.G.)
| | - Corinne Leprince
- Toulouse Institute for Infectious and Inflammatory Diseases (Infinity), Toulouse University, CNRS UMR5051, Inserm UMR1291, UPS, 31059 Toulouse, France; (C.L.); (M.-C.M.); (M.S.)
| | - Marie-Claire Méchin
- Toulouse Institute for Infectious and Inflammatory Diseases (Infinity), Toulouse University, CNRS UMR5051, Inserm UMR1291, UPS, 31059 Toulouse, France; (C.L.); (M.-C.M.); (M.S.)
| | - Michel Simon
- Toulouse Institute for Infectious and Inflammatory Diseases (Infinity), Toulouse University, CNRS UMR5051, Inserm UMR1291, UPS, 31059 Toulouse, France; (C.L.); (M.-C.M.); (M.S.)
| | - Stefan Blunder
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Anichstraße 35, 6020 Innsbruck, Austria; (V.M.-M.); (S.B.); (R.G.)
| | - Robert Gruber
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Anichstraße 35, 6020 Innsbruck, Austria; (V.M.-M.); (S.B.); (R.G.)
| | - Sandrine Dubrac
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Anichstraße 35, 6020 Innsbruck, Austria; (V.M.-M.); (S.B.); (R.G.)
| |
Collapse
|
14
|
Affiliation(s)
- Irina Gasslitter
- Dermatology, venereology and allergy, Medical University of Innsbruck, Innsbruck, Austria.
| | | | | | | | | |
Collapse
|
15
|
Boeckle M, Schiestl M, Frohnwieser A, Gruber R, Miller R, Suddendorf T, Gray RD, Taylor AH, Clayton NS. New Caledonian crows' planning behaviour: a reply to de Mahy et al. Proc Biol Sci 2021; 288:20211271. [PMID: 34465241 DOI: 10.1098/rspb.2021.1271] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- M Boeckle
- Department of Psychology, University of Cambridge, Cambridge, UK.,Scientific Working Group, Die offene Tür (The open door), Karl Landsteiner University of Health Sciences, Krems, Austria.,Department of Psychiatry for Adults, University Hospital Tulln, Tulln, Austria
| | - M Schiestl
- School of Psychology, University of Auckland, Auckland, New Zealand.,Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.,Faculty of Veterinary Sciences, University of Veterinary Sciences, Brno, Czech Republic
| | - A Frohnwieser
- Department of Psychology, University of Cambridge, Cambridge, UK
| | - R Gruber
- School of Psychology, University of Auckland, Auckland, New Zealand
| | - R Miller
- Department of Psychology, University of Cambridge, Cambridge, UK
| | - T Suddendorf
- School of Psychology, University of Queensland, Saint Lucia, Queensland, Australia
| | - R D Gray
- School of Psychology, University of Auckland, Auckland, New Zealand.,Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - A H Taylor
- School of Psychology, University of Auckland, Auckland, New Zealand
| | - N S Clayton
- Department of Psychology, University of Cambridge, Cambridge, UK
| |
Collapse
|
16
|
Blunder S, Krimbacher T, Moosbrugger‐Martinz V, Gruber R, Schmuth M, Dubrac S. Keratinocyte-derived IL-1β induces PPARG downregulation and PPARD upregulation in human reconstructed epidermis following barrier impairment. Exp Dermatol 2021; 30:1298-1308. [PMID: 33683743 PMCID: PMC8451818 DOI: 10.1111/exd.14323] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 02/15/2021] [Accepted: 03/04/2021] [Indexed: 12/12/2022]
Abstract
Peroxisome proliferator-activated receptors (PPARs) are a family of nuclear hormone receptors. In skin, PPARs modulate inflammation, lipid synthesis, keratinocyte differentiation and proliferation and thus are important for skin barrier homeostasis. Accordingly, PPAR expression is altered in various skin conditions that entail epidermal barrier impairment, that is atopic dermatitis (AD) and psoriasis. Using human epidermal equivalents (HEEs), we established models of acute epidermal barrier impairment devoid of immune cells. We assessed PPAR and cytokine expression after barrier perturbation and examined effects of keratinocyte-derived cytokines on PPAR expression. We show that acetone or SDS treatment causes graded impairment of epidermal barrier function. Furthermore, we demonstrate that besides IL-1β and TNFα, IL-33 and TSLP are highly relevant markers for acute epidermal barrier impairment. Both SDS- and acetone-mediated epidermal barrier impairment reduce PPARG expression levels, whereas only SDS enhances PPARD expression. In line with findings in IL-1β and TNFα-treated HEEs, abrogation of IL-1 signalling restores PPARG expression and limits the increase of PPARD expression in SDS-induced epidermal barrier impairment. Thus, following epidermal barrier perturbation, keratinocyte-derived IL-1β and partly TNFα modulate PPARG and PPARD expression. These results emphasize a role for PPARγ and PPARβ/δ in acute epidermal barrier impairment with possible implications for diseases such as AD and psoriasis.
Collapse
Affiliation(s)
- Stefan Blunder
- Department of Dermatology, Venereology and AllergologyMedical University of InnsbruckInnsbruckAustria
| | - Thomas Krimbacher
- Department of Dermatology, Venereology and AllergologyMedical University of InnsbruckInnsbruckAustria
| | | | - Robert Gruber
- Department of Dermatology, Venereology and AllergologyMedical University of InnsbruckInnsbruckAustria
| | - Matthias Schmuth
- Department of Dermatology, Venereology and AllergologyMedical University of InnsbruckInnsbruckAustria
| | - Sandrine Dubrac
- Department of Dermatology, Venereology and AllergologyMedical University of InnsbruckInnsbruckAustria
| |
Collapse
|
17
|
Pavel P, Leman G, Hermann M, Ploner C, Eichmann TO, Minzaghi D, Radner FP, Del Frari B, Gruber R, Dubrac S. Peroxisomal Fatty Acid Oxidation and Glycolysis Are Triggered in Mouse Models of Lesional Atopic Dermatitis. JID Innov 2021; 1:100033. [PMID: 34909730 PMCID: PMC8659757 DOI: 10.1016/j.xjidi.2021.100033] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 04/09/2021] [Accepted: 04/09/2021] [Indexed: 12/12/2022] Open
Abstract
Alterations of the lipid profile of the stratum corneum have an important role in the pathogenesis of atopic dermatitis (AD) because they contribute to epidermal barrier impairment. However, they have not previously been envisioned as a cellular response to altered metabolic requirements in AD epidermis. In this study, we report that the lipid composition in the epidermis of flaky tail, that is, ft/ft mice mimics that of human lesional AD (ADL) epidermis, both showing a shift toward shorter lipid species. The amounts of C24 and C26 free fatty acids and C24 and C26 ceramides-oxidized exclusively in peroxisomes-were reduced in the epidermis of ft/ft mice despite increased lipid synthesis, similar to that seen in human ADL edpidermis. Increased ACOX1 protein and activity in granular keratinocytes of ft/ft epidermis, altered lipid profile in human epidermal equivalents overexpressing ACOX1, and increased ACOX1 immunostaining in skin biopsies from patients with ADL suggest that peroxisomal β-oxidation significantly contributes to lipid signature in ADL epidermis. Moreover, we show that increased anaerobic glycolysis in ft/ft mouse epidermis is essential for keratinocyte proliferation and adenosine triphosphate synthesis but does not contribute to local inflammation. Thus, this work evidenced a metabolic shift toward enhanced peroxisomal β-oxidation and anaerobic glycolysis in ADL epidermis.
Collapse
Key Words
- AD, atopic dermatitis
- ADL, lesional atopic dermatitis
- ATP, adenosine triphosphate
- Cer, ceramide
- CoA, coenzyme A
- FA, fatty acid
- FFA, free fatty acid
- HEE, human epidermal equivalent
- IMQ, imiquimod
- KC, keratinocyte
- KO, knockout
- LB, lamellar body
- PPAR, peroxisome proliferator–activated receptor
- SC, stratum corneum
- TEWL, transepidermal water loss
- ULCFA, ultra long-chain fatty acid
- VLCFA, very-long-chain fatty acid
Collapse
Affiliation(s)
- Petra Pavel
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Géraldine Leman
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Martin Hermann
- KMT Laboratory, Department of Visceral, Transplant and Thoracic Surgery, Center for Operative Medicine, Medical University of Innsbruck, Innsbruck, Austria
| | - Christian Ploner
- Department of Plastic, Reconstructive and Aesthetic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | | | - Deborah Minzaghi
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Franz P.W. Radner
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
| | - Barbara Del Frari
- Department of Plastic, Reconstructive and Aesthetic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - Robert Gruber
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Sandrine Dubrac
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| |
Collapse
|
18
|
Eckl KM, Gruber R, Brennan L, Marriott A, Plank R, Moosbrugger-Martinz V, Blunder S, Schossig A, Altmüller J, Thiele H, Nürnberg P, Zschocke J, Hennies HC, Schmuth M. Cystatin M/E Variant Causes Autosomal Dominant Keratosis Follicularis Spinulosa Decalvans by Dysregulating Cathepsins L and V. Front Genet 2021; 12:689940. [PMID: 34322157 PMCID: PMC8312243 DOI: 10.3389/fgene.2021.689940] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 06/16/2021] [Indexed: 11/13/2022] Open
Abstract
Keratosis follicularis spinulosa decalvans (KFSD) is a rare cornification disorder with an X-linked recessive inheritance in most cases. Pathogenic variants causing X-linked KFSD have been described in MBTPS2, the gene for a membrane-bound zinc metalloprotease that is involved in the cleavage of sterol regulatory element binding proteins important for the control of transcription. Few families have been identified with an autosomal dominant inheritance of KFSD. We present two members of an Austrian family with a phenotype of KFSD, a mother and her son. The disease was not observed in her parents, pointing to a dominant inheritance with a de novo mutation in the index patient. Using whole-exome sequencing, we identified a heterozygous missense variant in CST6 in DNA samples from the index patient and her affected son. In line with family history, the variant was not present in samples from her parents. CST6 codes for cystatin M/E, a cysteine protease inhibitor. Patient keratinocytes showed increased expression of cathepsin genes CTSL and CTSV and reduced expression of transglutaminase genes TGM1 and TGM3. A relative gain of active, cleaved transglutaminases was found in patient keratinocytes compared to control cells. The variant found in CST6 is expected to affect protein targeting and results in marked disruption of the balance between cystatin M/E activity and its target proteases and eventually transglutaminases 1 and 3. This disturbance leads to an impairment of terminal epidermal differentiation and proper hair shaft formation seen in KFSD.
Collapse
Affiliation(s)
- Katja M Eckl
- Department of Biology, Edge Hill University, Ormskirk, United Kingdom
| | - Robert Gruber
- Department of Dermatology, Medical University of Innsbruck, Innsbruck, Austria
| | - Louise Brennan
- Department of Biology, Edge Hill University, Ormskirk, United Kingdom
| | - Andrew Marriott
- Department of Biology, Edge Hill University, Ormskirk, United Kingdom
| | - Roswitha Plank
- Department of Biological and Geographical Sciences, University of Huddersfield, Huddersfield, United Kingdom.,Institute of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria
| | | | - Stefan Blunder
- Department of Dermatology, Medical University of Innsbruck, Innsbruck, Austria
| | - Anna Schossig
- Institute of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria
| | - Janine Altmüller
- Cologne Center for Genomics, Faculty of Medicine and Cologne University Hospital, University of Cologne, Cologne, Germany
| | - Holger Thiele
- Cologne Center for Genomics, Faculty of Medicine and Cologne University Hospital, University of Cologne, Cologne, Germany
| | - Peter Nürnberg
- Cologne Center for Genomics, Faculty of Medicine and Cologne University Hospital, University of Cologne, Cologne, Germany
| | - Johannes Zschocke
- Institute of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria
| | - Hans Christian Hennies
- Department of Biological and Geographical Sciences, University of Huddersfield, Huddersfield, United Kingdom.,Cologne Center for Genomics, Faculty of Medicine and Cologne University Hospital, University of Cologne, Cologne, Germany
| | - Matthias Schmuth
- Department of Dermatology, Medical University of Innsbruck, Innsbruck, Austria
| |
Collapse
|
19
|
Gruber R, Zschocke A, Zellner H, Schmuth M. Successful treatment of trichothiodystrophy with dupilumab. Clin Exp Dermatol 2021; 46:1381-1383. [PMID: 33955026 PMCID: PMC8518772 DOI: 10.1111/ced.14642] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 03/04/2021] [Accepted: 03/08/2021] [Indexed: 11/30/2022]
Abstract
Click here for the corresponding questions to this CME article.
Collapse
Affiliation(s)
- R Gruber
- Department of Dermatology, Venereology and Allergy, Medical University of Innsbruck, Innsbruck, Austria
| | - A Zschocke
- Department of Pediatrics, Pediatrics III, Medical University of Innsbruck, Innsbruck, Austria
| | - H Zellner
- Department of Pediatrics, Pediatrics I, Medical University of Innsbruck, Innsbruck, Austria
| | - M Schmuth
- Department of Dermatology, Venereology and Allergy, Medical University of Innsbruck, Innsbruck, Austria
| |
Collapse
|
20
|
Meyer J, Crumrine D, Schneider H, Dick A, Schmuth M, Gruber R, Radner F, Grond S, Wakefield J, Mauro T, Elias P. 133 Unbound corneocyte lipid envelopes in 12R-lipoxygenase deficiency support a direct role in lipid-protein crosslinking. J Invest Dermatol 2021. [DOI: 10.1016/j.jid.2021.02.152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
21
|
Meyer JM, Crumrine D, Schneider H, Dick A, Schmuth M, Gruber R, Radner FPW, Grond S, Wakefield JS, Mauro TM, Elias PM. Unbound Corneocyte Lipid Envelopes in 12R-Lipoxygenase Deficiency Support a Specific Role in Lipid-Protein Cross-Linking. Am J Pathol 2021; 191:921-929. [PMID: 33607042 DOI: 10.1016/j.ajpath.2021.02.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/26/2021] [Accepted: 02/02/2021] [Indexed: 12/15/2022]
Abstract
Loss-of-function mutations in arachidonate lipoxygenase 12B (ALOX12B) are an important cause of autosomal recessive congenital ichthyosis (ARCI). 12R-lipoxygenase (12R-LOX), the protein product of ALOX12B, has been proposed to covalently bind the corneocyte lipid envelope (CLE) to the proteinaceous corneocyte envelope, thereby providing a scaffold for the assembly of barrier-providing, mature lipid lamellae. To test this hypothesis, an in-depth ultrastructural examination of CLEs was performed in ALOX12B-/- human and Alox12b-/- mouse epidermis, extracting samples with pyridine to distinguish covalently attached CLEs from unbound (ie, noncovalently bound) CLEs. ALOX12B--/- stratum corneum contained abundant pyridine-extractable (ie, unbound) CLEs, compared with normal stratum corneum. These unbound CLEs were associated with defective post-secretory lipid processing, and were specific to 12R-LOX deficiency, because they were not observed with deficiency of the related ARCI-associated proteins, patatin-like phospholipase 1 (Pnpla1) or abhydrolase domain containing 5 (Abhd5). These results suggest that 12R-LOX contributes specifically to CLE-corneocyte envelope cross-linking, which appears to be a prerequisite for post-secretory lipid processing, and provide insights into the pathogenesis of 12R-LOX deficiency in this subtype of ARCI, as well as other conditions that display a defective CLE.
Collapse
Affiliation(s)
- Jason M Meyer
- San Francisco Veterans Affairs Medical Center, Dermatology Service and UC San Francisco Department of Dermatology, San Francisco, California.
| | - Debra Crumrine
- San Francisco Veterans Affairs Medical Center, Dermatology Service, San Francisco, California
| | - Holm Schneider
- Department of Pediatrics, University of Erlangen-Nürnberg, Nürnberg, Germany
| | - Angela Dick
- Department of Pediatrics, University of Erlangen-Nürnberg, Nürnberg, Germany
| | - Matthias Schmuth
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Robert Gruber
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Franz P W Radner
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
| | - Susanne Grond
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
| | - Joan S Wakefield
- San Francisco Veterans Affairs Medical Center, Dermatology Service and UC San Francisco Department of Dermatology, San Francisco, California
| | - Theodora M Mauro
- San Francisco Veterans Affairs Medical Center, Dermatology Service and UC San Francisco Department of Dermatology, San Francisco, California
| | - Peter M Elias
- San Francisco Veterans Affairs Medical Center, Dermatology Service and UC San Francisco Department of Dermatology, San Francisco, California
| |
Collapse
|
22
|
Umlauft J, Schnabl D, Blunder S, Moosbrugger-Martinz V, Kapferer-Seebacher I, Zschocke J, Schmuth M, Gruber R. Two patients with Papillon-Lefèvre syndrome without periodontal involvement of the permanent dentition. J Dermatol 2021; 48:537-541. [PMID: 33580910 DOI: 10.1111/1346-8138.15720] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Accepted: 11/13/2020] [Indexed: 10/22/2022]
Abstract
Papillon-Lefèvre syndrome (PLS) is a rare autosomal recessive genodermatosis characterized by palmoplantar keratoderma and severe periodontitis leading to premature loss of primary and permanent teeth. PLS is caused by loss-of-function mutations in CTSC, lacking functional cathepsin C, which impairs the activation of neutrophil serine proteases. Precise pathogenesis of periodontal damage is unknown. Patient 1 presented with well-demarcated, transgredient, diffuse, palmoplantar keratoderma and psoriasiform lesions from the age of 2 years. Based on severe and recurrent periodontal inflammation, his dentist had diagnosed PLS at the age of 3 years and provided a strict oral hygiene regimen with repeated adjunct antibiotic therapies. Oral acitretin 10 mg/day along with tretinoin ointment at the age of 9 greatly improved palmoplantar keratoderma. Aged 18 years, the patient exhibited an intact permanent dentition and absence of periodontal disease. Patient 2, a 30-year-old man, suffered from transgredient, diffuse, palmoplantar keratoderma with fissuring from the age of 2 months, marked psoriasiform plaques on elbows and knees, and nail dystrophy. Intriguingly, without specific dental treatment, teeth and dental records were unremarkable. He was referred with a suspected diagnosis of psoriasis. Both patients were otherwise healthy, blood tests and sonography of internal organs were within normal limits. Panel sequencing revealed loss-of-function mutations in CTSC, c.322A>T (p.Lys108Ter) and c.504C>G (p.Tyr168Ter) in patient 1 and homozygous c.415G>T (p.Gly139Ter) in patient 2. The final diagnosis of unusual PLS was made. PLS should be considered in palmoplantar keratoderma lacking periodontitis or tooth loss.
Collapse
Affiliation(s)
- Julian Umlauft
- Department of Dermatology, Venereology and Allergy, Medical University of Innsbruck, Innsbruck, Austria
| | - Dagmar Schnabl
- Department of Operative and Restorative Dentistry, Medical University of Innsbruck, Innsbruck, Austria
| | - Stefan Blunder
- Department of Dermatology, Venereology and Allergy, Medical University of Innsbruck, Innsbruck, Austria
| | | | - Ines Kapferer-Seebacher
- Department of Operative and Restorative Dentistry, Medical University of Innsbruck, Innsbruck, Austria
| | - Johannes Zschocke
- Division of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria
| | - Matthias Schmuth
- Department of Dermatology, Venereology and Allergy, Medical University of Innsbruck, Innsbruck, Austria
| | - Robert Gruber
- Department of Dermatology, Venereology and Allergy, Medical University of Innsbruck, Innsbruck, Austria
| |
Collapse
|
23
|
Hotz A, Kopp J, Bourrat E, Oji V, Komlosi K, Giehl K, Bouadjar B, Bygum A, Tantcheva-Poor I, Hellström Pigg M, Has C, Yang Z, Irvine AD, Betz RC, Zambruno G, Tadini G, Süßmuth K, Gruber R, Schmuth M, Mazereeuw-Hautier J, Jonca N, Guez S, Brena M, Hernandez-Martin A, van den Akker P, Bolling MC, Hannula-Jouppi K, Zimmer AD, Alter S, Vahlquist A, Fischer J. Meta-Analysis of Mutations in ALOX12B or ALOXE3 Identified in a Large Cohort of 224 Patients. Genes (Basel) 2021; 12:genes12010080. [PMID: 33435499 PMCID: PMC7826849 DOI: 10.3390/genes12010080] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/04/2021] [Accepted: 01/06/2021] [Indexed: 11/23/2022] Open
Abstract
The autosomal recessive congenital ichthyoses (ARCI) are a nonsyndromic group of cornification disorders that includes lamellar ichthyosis, congenital ichthyosiform erythroderma, and harlequin ichthyosis. To date mutations in ten genes have been identified to cause ARCI: TGM1, ALOX12B, ALOXE3, NIPAL4, CYP4F22, ABCA12, PNPLA1, CERS3, SDR9C7, and SULT2B1. The main focus of this report is the mutational spectrum of the genes ALOX12B and ALOXE3, which encode the epidermal lipoxygenases arachidonate 12-lipoxygenase, i.e., 12R type (12R-LOX), and the epidermis-type lipoxygenase-3 (eLOX3), respectively. Deficiency of 12R-LOX and eLOX3 disrupts the epidermal barrier function and leads to an abnormal epidermal differentiation. The type and the position of the mutations may influence the ARCI phenotype; most patients present with a mild erythrodermic ichthyosis, and only few individuals show severe erythroderma. To date, 88 pathogenic mutations in ALOX12B and 27 pathogenic mutations in ALOXE3 have been reported in the literature. Here, we presented a large cohort of 224 genetically characterized ARCI patients who carried mutations in these genes. We added 74 novel mutations in ALOX12B and 25 novel mutations in ALOXE3. We investigated the spectrum of mutations in ALOX12B and ALOXE3 in our cohort and additionally in the published mutations, the distribution of these mutations within the gene and gene domains, and potential hotspots and recurrent mutations.
Collapse
Affiliation(s)
- Alrun Hotz
- Institute of Human Genetics, Medical Center, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (A.H.); (J.K.); (K.K.); (Z.Y.); (A.D.Z.); (S.A.)
| | - Julia Kopp
- Institute of Human Genetics, Medical Center, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (A.H.); (J.K.); (K.K.); (Z.Y.); (A.D.Z.); (S.A.)
| | - Emmanuelle Bourrat
- Department of Dermatology, Reference Center for Rare Skin Diseases MAGEC, Saint Louis Hospital AP-HP, 75010 Paris, France;
| | - Vinzenz Oji
- Department of Dermatology and Venereology, Münster University Medical Center, 48149 Münster, Germany; (V.O.); (K.S.)
| | - Katalin Komlosi
- Institute of Human Genetics, Medical Center, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (A.H.); (J.K.); (K.K.); (Z.Y.); (A.D.Z.); (S.A.)
| | - Kathrin Giehl
- Department of Dermatology and Allergy, University of Munich LMU, 80337 Munich, Germany;
| | - Bakar Bouadjar
- Department of Dermatology, CHU of Bab-El-Oued Algiers, Algiers 16008, Algeria;
| | - Anette Bygum
- Department of Dermatology, Odense University Hospital, 5000 Odense, Denmark;
- Department of Clinical Genetics, Odense University Hospital, 5000 Odense, Denmark
- Clinical Institute, University of Southern Denmark, 5000 Odense, Denmark
| | | | - Maritta Hellström Pigg
- Department of Clinical Genetics, Karolinska University Hospital, 17176 Stockholm, Sweden;
| | - Cristina Has
- Department of Dermatology, Medical Center-University of Freiburg, University of Freiburg, 79104 Freiburg, Germany;
| | - Zhou Yang
- Institute of Human Genetics, Medical Center, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (A.H.); (J.K.); (K.K.); (Z.Y.); (A.D.Z.); (S.A.)
- Department of Dermatology, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing 100045, China
| | - Alan D. Irvine
- Dermatology, Children’s Health Ireland and Clinical Medicine, Trinity College Dublin, D12 N512 Dublin, Ireland;
| | - Regina C. Betz
- Institute of Human Genetics, School of Medicine & University Hospital Bonn, University of Bonn, 53127 Bonn, Germany;
| | - Giovanna Zambruno
- Genodermatosis Unit, Genetics and Rare Diseases Research Division, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy;
| | - Gianluca Tadini
- Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, UOSD Pediatria ad Alta Intensità di Cura, 20122 Milan, Italy; (G.T.); (S.G.); (M.B.)
| | - Kira Süßmuth
- Department of Dermatology and Venereology, Münster University Medical Center, 48149 Münster, Germany; (V.O.); (K.S.)
| | - Robert Gruber
- Department of Dermatology, Venereology and Allergy, Medical University of Innsbruck, 6020 Innsbruck, Austria; (R.G.); (M.S.)
| | - Matthias Schmuth
- Department of Dermatology, Venereology and Allergy, Medical University of Innsbruck, 6020 Innsbruck, Austria; (R.G.); (M.S.)
| | - Juliette Mazereeuw-Hautier
- Reference Center for Rare Skin Diseases, Dermatology Department, CHU Larrey, Université Paul Sabatier, 31000 Toulouse, France;
| | - Natalie Jonca
- Department of Epidermis Differentiation and Rheumatoid Autoimmunity, UMR 1056 Inserm University Toulouse, Place du Dr Baylac, Hôpital Purpan, 31059 Toulouse, France;
| | - Sophie Guez
- Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, UOSD Pediatria ad Alta Intensità di Cura, 20122 Milan, Italy; (G.T.); (S.G.); (M.B.)
| | - Michela Brena
- Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, UOSD Pediatria ad Alta Intensità di Cura, 20122 Milan, Italy; (G.T.); (S.G.); (M.B.)
| | | | - Peter van den Akker
- Department of Genetics, University Medical Center Groningen, University of Groningen, 9700RB Groningen, The Netherlands;
| | - Maria C. Bolling
- Center for Blistering Diseases, Department of Dermatology, University Medical Center Groningen, University of Groningen, 9700RB Groningen, The Netherlands;
| | - Katariina Hannula-Jouppi
- ERN-Skin Center, Department of Dermatology and Allergology, University of Helsinki and Helsinki University Central Hospital, 00029 HUS Helsinki, Finland;
- Folkhälsan Research Center, Helsinki, Finland and Research Programs Unit, Stem Cells and Metabolism Research Program, University of Helsinki, 00290 Helsinki, Finland
| | - Andreas D. Zimmer
- Institute of Human Genetics, Medical Center, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (A.H.); (J.K.); (K.K.); (Z.Y.); (A.D.Z.); (S.A.)
| | - Svenja Alter
- Institute of Human Genetics, Medical Center, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (A.H.); (J.K.); (K.K.); (Z.Y.); (A.D.Z.); (S.A.)
| | - Anders Vahlquist
- Department of Medical Sciences/Dermatology, Uppsala University, SE-751 85 Uppsala, Sweden;
| | - Judith Fischer
- Institute of Human Genetics, Medical Center, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (A.H.); (J.K.); (K.K.); (Z.Y.); (A.D.Z.); (S.A.)
- Correspondence:
| |
Collapse
|
24
|
Moosbrugger-Martinz V, Hackl H, Gruber R, Pilecky M, Knabl L, Orth-Höller D, Dubrac S. Initial Evidence of Distinguishable Bacterial and Fungal Dysbiosis in the Skin of Patients with Atopic Dermatitis or Netherton Syndrome. J Invest Dermatol 2021; 141:114-123. [PMID: 32553662 DOI: 10.1016/j.jid.2020.05.102] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 04/29/2020] [Accepted: 05/18/2020] [Indexed: 02/07/2023]
Abstract
Atopic dermatitis (AD) is an inflammatory skin disease in which epidermal barrier impairment, often owing to FLG null mutations, precedes immune hyperresponsiveness. Ichthyosis vulgaris is characterized by FLG null mutations and noninflamed dry skin. Netherton syndrome (NS), caused by SPINK5 null mutations, is characterized by generalized erythroderma with scaling and atopic manifestations. The goal of this work was to evaluate associations between specific skin disease features, such as ichthyotic and/or atopic manifestations, and the skin bacterial and fungal microbiota. Taxon diversity showed greater variation in the bacterial microbiota than in the fungal microbiota in the skin diseases. The relative abundances of Firmicutes (Staphylococcus) and Actinobacteria (Corynebacterium) were augmented in ichthyosis vulgaris, AD, and NS, whereas those of Proteobacteria/Enhydrobacter and Bacteroidetes were reduced, regardless of body site. Furthermore, proportions of Staphylococcus were correlated with transepidermal water loss and serum IgE levels. Nevertheless, the skin of patients with low to mild AD was overcolonized with Staphylococcus epidermidis and not with Staphylococcus aureus. Ascomycota were increased in both AD and NS, but from expansion of different fungal species. Finally, the expansion of pathologic bacteria in AD and NS might be supported by surrounding fungi. Thus, distinguishable bacterial and fungal skin dysbiosis in AD, NS, and ichthyosis vulgaris emphasizes disease-specific pathomechanisms.
Collapse
Affiliation(s)
- Verena Moosbrugger-Martinz
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Hubert Hackl
- Division of Bioinformatics, Biocenter, Medical University of Innsbruck, Innsbruck, Austria
| | - Robert Gruber
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Matthias Pilecky
- Center for Biomedical Technology, Department for Health Sciences and Biomedicine, Danube University Krems, Krems, Austria
| | - Ludwig Knabl
- Division of Hygiene and Medical Microbiology, Medical University of Innsbruck, Innsbruck, Austria
| | - Dorothea Orth-Höller
- Division of Hygiene and Medical Microbiology, Medical University of Innsbruck, Innsbruck, Austria
| | - Sandrine Dubrac
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria.
| |
Collapse
|
25
|
Schmuth M, Reichelt J, Gruber R. Advancing novel therapies for ichthyoses. Br J Dermatol 2020; 184:998-999. [PMID: 33378090 PMCID: PMC8246918 DOI: 10.1111/bjd.19698] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 11/09/2020] [Accepted: 11/09/2020] [Indexed: 11/30/2022]
Affiliation(s)
- M Schmuth
- Department of Dermatology, Venereology and Allergy, Medical University of Innsbruck, Innsbruck, Austria
| | - J Reichelt
- Department of Dermatology, Venereology and Allergy, Medical University of Innsbruck, Innsbruck, Austria
| | - R Gruber
- Department of Dermatology, Venereology and Allergy, Medical University of Innsbruck, Innsbruck, Austria
| |
Collapse
|
26
|
Boeckle M, Schiestl M, Frohnwieser A, Gruber R, Miller R, Suddendorf T, Gray RD, Taylor AH, Clayton NS. New Caledonian crows plan for specific future tool use. Proc Biol Sci 2020; 287:20201490. [PMID: 33143583 PMCID: PMC7735258 DOI: 10.1098/rspb.2020.1490] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The ability to plan for future events is one of the defining features of human intelligence. Whether non-human animals can plan for specific future situations remains contentious: despite a sustained research effort over the last two decades, there is still no consensus on this question. Here, we show that New Caledonian crows can use tools to plan for specific future events. Crows learned a temporal sequence where they were (a) shown a baited apparatus, (b) 5 min later given a choice of five objects and (c) 10 min later given access to the apparatus. At test, these crows were presented with one of two tool-apparatus combinations. For each combination, the crows chose the right tool for the right future task, while ignoring previously useful tools and a low-value food item. This study establishes that planning for specific future tool use can evolve via convergent evolution, given that corvids and humans shared a common ancestor over 300 million years ago, and offers a route to mapping the planning capacities of animals.
Collapse
Affiliation(s)
- M Boeckle
- Department of Psychology, University of Cambridge, Cambridge, UK.,Karl Landsteiner University of Health Sciences, Krems an der Donau, Austria.,Department of Psychiatry and Psychotherapy, University Hospital Tulln, Tulln, Austria
| | - M Schiestl
- School of Psychology, University of Auckland, Auckland, New Zealand.,Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.,University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic
| | - A Frohnwieser
- Department of Psychology, University of Cambridge, Cambridge, UK
| | - R Gruber
- School of Psychology, University of Auckland, Auckland, New Zealand
| | - R Miller
- Department of Psychology, University of Cambridge, Cambridge, UK
| | - T Suddendorf
- School of Psychology, University of Queensland, Brisbane, Australia
| | - R D Gray
- School of Psychology, University of Auckland, Auckland, New Zealand.,Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - A H Taylor
- School of Psychology, University of Auckland, Auckland, New Zealand
| | - N S Clayton
- Department of Psychology, University of Cambridge, Cambridge, UK
| |
Collapse
|
27
|
Dimakos J, Gauthier-Gagne G, Somerville G, Boursier J, Gruber R. 0328 The Associations Between Self-Reported Symptoms of Sleep Disorders, Objective Sleep Patterns and Affect in Adolescence. Sleep 2020. [DOI: 10.1093/sleep/zsaa056.325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
Developmental changes in adolescence make adolescents prone to experiencing negative mood and increased emotional lability. Experimental studies employing sleep restriction paradigms have shown that decreased sleep increased negative affect, but a gap exists regarding the association between sleep disorders and negative affect in adolescence. The objective of this study was to examine this association. It was hypothesized that higher levels of reported symptoms of sleep disorders would be associated with lower positive affect and higher negative affect in adolescents.
Methods
Participants: 101 adolescents (65 females) aged between 13 and 18 years old (M=14.69, SD=1.16). Measures: Sleep Disorders Inventory for Students was used to measure symptoms of sleep disorders and sleep patterns were measured objectively using actigraphy. Positive and Negative Affect Schedule (PANAS) was used to measure positive and negative affect.
Results
Correlational analyses were conducted to assess the relationship between symptoms of sleep disorders, sleep patterns, and positive and negative affect. Higher levels of reported symptoms of sleep disorders were associated with later bedtimes (r= .26, p< .01), shorter sleep durations (r= -.20, p< .05), increased sleep onset latency (r= .21, p< .05), decreased sleep efficiency (r= -.23, p< .05), and less immobile minutes (r= -.23, p< .05) measured by actigraphy. Higher levels of reported symptoms of sleep disorders were associated with lower levels of positive affect (r= -.20, p< .05) and higher levels of negative affect (r= .39, p< .001)
Conclusion
Reported symptoms of sleep disorders were associated with overall poorer sleep patterns in adolescents as well as decreased positive affect and increased negative affect. Sleep specialists assisting adolescents with sleep disorders should inquire about mood regulation.
Support
Social Sciences and Humanities Research Council
Collapse
Affiliation(s)
- J Dimakos
- Douglas Mental Health University Institute, Montreal, QC, CANADA
- McGill University, Montreal, QC, CANADA
| | - G Gauthier-Gagne
- Douglas Mental Health University Institute, Montreal, QC, CANADA
| | - G Somerville
- Riverside School Board, Saint Hubert, QC, CANADA
| | - J Boursier
- Heritage Regional High School, Saint Hubert, QC, CANADA
| | - R Gruber
- Douglas Mental Health University Institute, Montreal, QC, CANADA
- McGill University, Montreal, QC, CANADA
| |
Collapse
|
28
|
Gruber R, Lin L, Santisteban J, Boursier J, Somerville G. 0959 Associations Between Sleep and Academic Performance in Typically Developing Adolescent Girls. Sleep 2020. [DOI: 10.1093/sleep/zsaa056.955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
Healthy sleep promotes cognitive functioning and is associated with better academic performance, whereas insufficient, poor, and inconsistent sleep schedules are associated with poor school performance. Several studies have identified gender differences in the timing, duration, and quality of sleep in adolescence, with adolescent girls having poorer sleep compared to adolescent boys, yet research shows that girls outperform boys academically. This could be because sleep might not affect all subjects similarly and previous studies regarding sleep and academic performance combined both genders. The goal of the present study was to determine which aspects of academic performance are specifically associated with short or poor sleep in typically developing adolescents girls.
Methods
80 adolescent girls aged 12-17 years participated in the study. Sleep was assessed in the home environment for five consecutive weeknights using actigraphy. Academic performance was assessed using report card grades.
Results
Hierarchical regression analyses adjusted for age, pubertal status, and socioeconomic status revealed that longer average sleep time was significantly associated with higher grades in mathematics. No significant associations were found between sleep variables and grades in other subjects.
Conclusion
Longer average weekday sleep duration is associated with better mathematics grades in typically developing adolescent girls.
Support
NSERC grant to Reut Gruber
Collapse
Affiliation(s)
- R Gruber
- McGill Univesrity, Montreal, QC, CANADA
| | - L Lin
- Attention Behavior and Sleep Lab, Douglas Mental Health University Institute, Montreal, QC, CANADA
| | - J Santisteban
- Attention Behavior and Sleep Lab, Douglas Mental Health University Institute, Montreal, QC, CANADA
| | - J Boursier
- Heritage Regional High School, Saint Hubert, QC, CANADA
| | | |
Collapse
|
29
|
Gauthier-Gagne G, Dimakos J, Somerville G, Boursier J, Gruber R. 0217 Adolescents’ Evening Preference is Associated with Specific Sleep Hygiene Behaviours. Sleep 2020. [DOI: 10.1093/sleep/zsaa056.215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
Circadian tendencies are associated with individual differences in preferred timing of behaviour. Sleep hygiene encompasses a variety of habits that are necessary for healthy. Given the later bedtimes of individuals with evening circadian preferences, more time is spent being awake in the evening and this could be associated with increased or longer engagement in poor sleep hygiene. Specific sleep hygiene practices that are common in adolescents with high evening preferences may therefore be a target to improve sleep. However, the relationship between specific sleep hygiene behaviours and circadian preferences in adolescents has not been examined. The objective of this study was to examine the associations between circadian preference and specific domains of sleep hygiene behavior.
Methods
127 adolescents (86 female) between 13 and 18 years old (M = 14.83, SD = 1.20) participated in the study. Circadian preferences were measured by the Morningness-Eveningness subscale of the School Sleep Habits Survey. Sleep hygiene was measured using the Adolescent Sleep Hygiene Scale (ASHS).
Results
Higher eveningness scores were significantly negatively associated with the ASHS physiological, behavioural arousal, cognitive emotional arousal, sleep environment, sleep stability, daytime sleep, substances use factors (r = -.20, p = <.05, r = -.27, p = <.01, r = -.32, p = <.01, r = -.18, p = <.05, r = -.41, p = <.01, r = -.28, p = <.01, r = 0.20, p = <.05 respectively) and with total sleep hygiene score (r = -.45, p = <.01).
Conclusion
Higher eveningness preferences in adolescents is significantly associated with poorer sleep hygiene in all domains with the exception of bedtime routine. Behavioural arousal, cognitive emotional, and sleep stability domains show the strongest inverse correlations. These findings could be used to inform the development of tailored sleep health interventions for adolescents with strong evening tendencies
Support
Social Sciences and Humanities Research Council (SSHRC) support for Dr. Reut Gruber.
Collapse
Affiliation(s)
- G Gauthier-Gagne
- Douglas Mental Health University Institute, Montreal, QC, CANADA
| | - J Dimakos
- McGill University, Montreal, QC, CANADA
| | | | - J Boursier
- Heritage Regional High School, St. Hubert, QC, CANADA
| | - R Gruber
- McGill University, Montreal, QC, CANADA
| |
Collapse
|
30
|
Gruber R, Somerville G, Finn C, Boursier J. 0918 Quebec Adolescents’ Insomnia Symptoms, Mental Health & Access to Sleep Care. Sleep 2020. [DOI: 10.1093/sleep/zsaa056.914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
Our school boards are part of the Quebec Center Of Excellence For Mental Health, and are thus mandated to identify and then prevent/treat factors that could negatively affect the mental health of their students. As part of this mission, we conducted a study that aimed 1) to examine the prevalence of insomnia in typically developing students in Quebec and their associations with students’ mental health, and; 2) to assess student access to behavioral sleep interventions in Quebec.
Methods
145 (Age 15.53+1; 75 Girls, 70 Boys) typically developing students. Insomnia symptoms were measured using the Insomnia Severity Index. Sleep was measured by Actigraphy. The Youth Self Report was used to measure students mental health. Access to care was measured using a detailed questionnaire.
Results
The key findings were: 1) 45% of the students reported poor sleep quality, dysfunction during the day due to sleepiness, difficulty falling or staying asleep, and excessive daytime sleepiness. Total scores on self-reports sleep measures were positively significantly correlated with Actigraphy measures of sleep duration and quality and with each other; 2) Robust positive associations were found between insomnia and psychiatric symptoms after adjusting for common risk factors, including age, socioeconomic status, and gender; 3) None of the students had access to sleep care and 25% of them reported using over-the counter sleep aids with minimal success.
Conclusion
These findings are alarming because they show that: 1) insomnia symptoms are prevalent in Quebec students and are strongly associated with the symptomatology of mental distress in students who do not meet the diagnostic criteria of a psychological disorder, and; 2) these students do not have access to insomnia care. These findings suggest that treatment of insomnia could offer an incredible opportunity to protect and improve the sleep and the mental health of these students.
Support
Canadian Institute of Health Research grant to Reut Gruber
Collapse
Affiliation(s)
- R Gruber
- McGill Univesrity, Montreal, QC, CANADA
| | | | - C Finn
- L B Pearson School Board, Montreal, QC, CANADA
| | - J Boursier
- Heritage Regional Highschool, Saint Hubert, QC, CANADA
| |
Collapse
|
31
|
Robbins R, Hale L, Beebe D, Wolfson AR, Grandner MA, Mindell JA, Owens J, Tapia I, Byars KC, Gruber R, Montgomery-Downs H, Wise M, Carskadon MA. 0408 Myths About Infant, Child, and Adolescent Sleep: Addressing False Beliefs That Hinder Sleep Health During These Crucial Developmental Stages. Sleep 2020. [DOI: 10.1093/sleep/zsaa056.405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
Sleep is vital for healthy development from infancy through adolescence. Despite its importance, false beliefs that conflict with scientific evidence (myths) may be common among caregivers and impair sleep health during these crucial stages.
Methods
Researchers compiled a list of potential myth statements using internet searches of popular press and scientific literature. We utilized a Delphi process with experts (n=12) from the fields of pediatric, sleep, and circadian research and clinical practice. Selection and refinement of myths by sleep experts proceeded in three phases, including: focus groups (Phase 1); email-based feedback to edit, add, or remove myths (Phase 2); and closed-ended questionnaires (Phase 3) where experts rated myths on two dimensions: (1) falseness and (2) public health significance using 5-point Likert scale: 1 (“not at all”) to 5 (“extremely false/important”).
Results
Thirty-two sleep myths were identified across three developmental categories: infant (14 myths), child (6 myths), and adolescent (12 myths). Mean expert ratings illuminated the most pressing myths in each developmental category: infant sleep (“Sleep training causes psychological harm, including reduced parent-child attachment:” falseness =4.7, s.d.=0.7; public health significance=4.0, s.d.=1.1); child sleep (“Heavy, loud snoring for my child means he’s sleeping deeply:” falseness=4.8, s.d.=0.6; public health significance=4.7, s.d.=0.7), and teenager sleep (“Falling asleep in class means your teenager is lazy and not motivated:” falseness=4.8, s.d.=0.5; public health significance=4.3, s.d.=0.8).
Conclusion
The current study identified commonly-held myths about infant, child, and adolescent sleep that are not supported by (or worse, counter to) scientific evidence. If unchecked, these myths may hinder sleep at a critical developmental stage. Future research may include public health education to correct myths and promote healthy sleep among infants, children, and teenagers.
Support
5T32HL007901
Collapse
Affiliation(s)
- R Robbins
- Brigham and Women’s Hospital, Boston, MA
| | - L Hale
- Population and Preventive Medicine, Stony Brook, NY
| | - D Beebe
- Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
| | | | - M A Grandner
- University of Arizona College of Medicine, Tucson, AZ
| | - J A Mindell
- Children’s Hospital of Philadelphia, Philadelphia, PA
| | - J Owens
- Center for Pediatric Sleep Disorders, Boston, MA
| | - I Tapia
- Children’s Hospital of Philadelphia, Philadelphia, PA
| | - K C Byars
- Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
| | - R Gruber
- Douglas Mental Health University Institute, Montreal, QC, CANADA
| | | | - M Wise
- Methodist Le Bonheur Healthcare, Memphis, TN
| | - M A Carskadon
- Warren Alpert Medical School of Brown University, Providence, RI
| |
Collapse
|
32
|
Bekes K, Mitulović G, Meißner N, Resch U, Gruber R. Saliva proteomic patterns in patients with molar incisor hypomineralization. Sci Rep 2020; 10:7560. [PMID: 32371984 PMCID: PMC7200701 DOI: 10.1038/s41598-020-64614-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 04/16/2020] [Indexed: 12/12/2022] Open
Abstract
Molar incisor hypomineralization (MIH) is an endemic pediatric disease with an unclear pathogenesis. Considering that saliva controls enamel remineralization and that MIH is associated with higher saliva flow rate, we hypothesized that the protein composition of saliva is linked to disease. To test this, we enrolled 5 children aged 6-14 years with MIH showing at least one hypersensitive molar and 5 caries-free children without hypomineralization. Saliva samples were subjected to proteomic analysis followed by protein classification in to biological pathways. Among 618 salivary proteins identified with high confidence, 88 proteins were identified exclusively in MIH patients and 16 proteins in healthy controls only. Biological pathway analysis classified these 88 patient-only proteins to neutrophil-mediated adaptive immunity, the activation of the classical pathway of complement activation, extracellular matrix degradation, heme scavenging as well as glutathione -and drug metabolism. The 16 controls-only proteins were associated with adaptive immunity related to platelet degranulation and the lysosome. This report suggests that the proteaneous composition of saliva is affected in MIH patients, reflecting a catabolic environment which is linked to inflammation.
Collapse
Affiliation(s)
- K Bekes
- Department of Paediatric Dentistry, School of Dentistry, Medical University of Vienna, Vienna, Austria.
| | - G Mitulović
- Proteomics Core Facility, Clinical Institute of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | | | - U Resch
- Department of Vascular Biology and Thrombosis Research, Medical University of Vienna, Vienna, Austria
| | - R Gruber
- Department of Oral Biology, School of Dentistry, Medical University of Vienna, Vienna, Austria
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
- Austrian Cluster for Tissue Regeneration, Vienna, Austria
| |
Collapse
|
33
|
Seidl‐Philipp M, Schatz UA, Gasslitter I, Moosbrugger‐Martinz V, Blunder S, Schossig AS, Zschocke J, Schmuth M, Gruber R. Spektrum der Ichthyosen in einer österreichischen Ichthyosekohorte von 2004–2007. J Dtsch Dermatol Ges 2020; 18:17-26. [DOI: 10.1111/ddg.13968_g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 06/14/2019] [Indexed: 12/12/2022]
Affiliation(s)
- Magdalena Seidl‐Philipp
- Universitätsklinik für DermatologieVenerologie und AllergologieMedizinische Universität Innsbruck Innsbruck Österreich
| | - Ulrich A. Schatz
- Division für HumangenetikMedizinische Universität Innsbruck Innsbruck Österreich
| | - Irina Gasslitter
- Universitätsklinik für Innere Medizin IIMedizinische Universität Innsbruck Innsbruck Österreich
| | - Verena Moosbrugger‐Martinz
- Universitätsklinik für DermatologieVenerologie und AllergologieMedizinische Universität Innsbruck Innsbruck Österreich
| | - Stefan Blunder
- Universitätsklinik für DermatologieVenerologie und AllergologieMedizinische Universität Innsbruck Innsbruck Österreich
| | - Anna S. Schossig
- Division für HumangenetikMedizinische Universität Innsbruck Innsbruck Österreich
| | - Johannes Zschocke
- Division für HumangenetikMedizinische Universität Innsbruck Innsbruck Österreich
| | - Matthias Schmuth
- Universitätsklinik für DermatologieVenerologie und AllergologieMedizinische Universität Innsbruck Innsbruck Österreich
| | - Robert Gruber
- Universitätsklinik für DermatologieVenerologie und AllergologieMedizinische Universität Innsbruck Innsbruck Österreich
| |
Collapse
|
34
|
Giorgio L, Somerville G, Boursier J, Keskinel D, Gruber R. The relationship between sleep and cognitive performance in adolescents. Sleep Med 2019. [DOI: 10.1016/j.sleep.2019.11.375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
|
35
|
Seidl-Philipp M, Schatz UA, Gasslitter I, Moosbrugger-Martinz V, Blunder S, Schossig AS, Zschocke J, Schmuth M, Gruber R. Spectrum of ichthyoses in an Austrian ichthyosis cohort from 2004 to 2017. J Dtsch Dermatol Ges 2019; 18:17-25. [PMID: 31642606 DOI: 10.1111/ddg.13968] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 06/14/2019] [Indexed: 12/12/2022]
Abstract
BACKGROUND Ichthyoses are a heterogeneous disease group, which makes clinical classification challenging. An ichthyosis cohort at a center for genodermatoses is presented in detail. PATIENTS AND METHODS Patients with clinically and/or genetically confirmed ichthyosis seen from 2004 to 2017 and listed in a database were included. Disease onset, phenotype, histology, comorbidities and family history were described in detail. In genetically tested patients, the prevalence of various ARCI genes, ARCI phenotypes and syndromic ichthyoses, as well as genotype-phenotype correlation and year/method of genetic testing was assessed. RESULTS Of all 198 patients who were included in the cohort, 151 were genetically tested. 81 had ichthyosis vulgaris, 43 X-linked ichthyosis, 38 autosomal recessive congenital ichthyosis (ARCI), 9 keratinopathic ichthyosis (KPI) and one exfoliative ichthyosis. 26 individuals suffered from syndromic ichthyoses. A good genotype-phenotype correlation was observed for common ichthyoses and KPI; the correlation was less good in syndromic ichthyoses. In 91 % of ARCI patients an accurate diagnosis was obtained by genetic testing. In only 33 % of syndromic ichthyoses was the definitive diagnosis suspected before genetic testing, which revealed a causative mutation in 86 % of cases. CONCLUSION This study describes the spectrum of ichthyoses in a center of expertise and shows that genetic testing should become a diagnostic standard for this disease group.
Collapse
Affiliation(s)
- Magdalena Seidl-Philipp
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Ulrich A Schatz
- Department of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria
| | - Irina Gasslitter
- Department of Internal Medicine II, Medical University of Innsbruck, Innsbruck, Austria
| | - Verena Moosbrugger-Martinz
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Stefan Blunder
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Anna S Schossig
- Department of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria
| | - Johannes Zschocke
- Department of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria
| | - Matthias Schmuth
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Robert Gruber
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| |
Collapse
|
36
|
Blunder S, Schmuth M, Gruber R. 245 Successful treatment of Netherton syndrome with dupilumab. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.07.246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
37
|
Seidl‐Philipp M, Schossig AS, Moosbrugger‐Martinz V, Zschocke J, Schmuth M, Gruber R. Gestörte Hautbarriere bei zwei österreichischen Schwestern mit autosomal‐rezessiver kongenitaler Ichthyose (ARCI) verursacht durch eine Missense‐Mutation in
SDR9C7. J Dtsch Dermatol Ges 2019; 17:742-745. [DOI: 10.1111/ddg.13843_g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Magdalena Seidl‐Philipp
- Universitätsklinik für DermatologieVenerologie und AllergologieMedizinische Universität Innsbruck Österreich
| | - Anna Sarah Schossig
- Division für HumangenetikMedizinische Universität Innsbruck Innsbruck Österreich
| | - Verena Moosbrugger‐Martinz
- Universitätsklinik für DermatologieVenerologie und AllergologieMedizinische Universität Innsbruck Österreich
| | - Johannes Zschocke
- Division für HumangenetikMedizinische Universität Innsbruck Innsbruck Österreich
| | - Matthias Schmuth
- Universitätsklinik für DermatologieVenerologie und AllergologieMedizinische Universität Innsbruck Österreich
| | - Robert Gruber
- Universitätsklinik für DermatologieVenerologie und AllergologieMedizinische Universität Innsbruck Österreich
| |
Collapse
|
38
|
Seidl-Philipp M, Schossig AS, Moosbrugger-Martinz V, Zschocke J, Schmuth M, Gruber R. Impaired epidermal barrier in autosomal recessive congenital ichthyosis (ARCI) caused by missense mutations in SDR9C7 in two Austrian sisters. J Dtsch Dermatol Ges 2019; 17:742-745. [PMID: 31012992 DOI: 10.1111/ddg.13843] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Magdalena Seidl-Philipp
- Department of Dermatology, Venerology and Allergology, Medical University of Innsbruck, Austria
| | | | | | - Johannes Zschocke
- Department of Human Genetics, Medical University of Innsbruck, Austria
| | - Matthias Schmuth
- Department of Dermatology, Venerology and Allergology, Medical University of Innsbruck, Austria
| | - Robert Gruber
- Department of Dermatology, Venerology and Allergology, Medical University of Innsbruck, Austria
| |
Collapse
|
39
|
Mazereeuw‐Hautier J, Hernández‐Martín A, O'Toole E, Bygum A, Amaro C, Aldwin M, Audouze A, Bodemer C, Bourrat E, Diociaiuti A, Dolenc‐Voljč M, Dreyfus I, El Hachem M, Fischer J, Ganemo A, Gouveia C, Gruber R, Hadj‐Rabia S, Hohl D, Jonca N, Ezzedine K, Maier D, Malhotra R, Rodriguez M, Ott H, Paige D, Pietrzak A, Poot F, Schmuth M, Sitek J, Steijlen P, Wehr G, Moreen M, Vahlquist A, Traupe H, Oji V. Congenital ichthyoses: European guidelines of care, part two. Br J Dermatol 2019. [DOI: 10.1111/bjd.17552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
40
|
Mazereeuw‐Hautier J, Hernandez‐Martin A, O'Toole E, Bygum A, Amaro C, Aldwin M, Audouze A, Bodemer C, Bourrat E, Diociaiuti A, Dolenc‐Voljc M, Dreyfus I, El Hachem M, Fischer J, Ganemo A, Gouveia C, Gruber R, Hadj‐Rabia S, Hohl D, Jonca N, Ezzedine K, Maier D, Malhotra R, Rodriguez M, Ott H, Paige D, Pietrzak A, Poot F, Schmuth M, Sitek J, Steijlen P, Wehr G, Moreen M, Vahlquist A, Traupe H, Oji V. 先天性鱼鳞病 : 欧洲护理指南, 第二部分. Br J Dermatol 2019. [DOI: 10.1111/bjd.17568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|
41
|
Lima Cunha D, Alakloby OM, Gruber R, Kakar N, Ahmad J, Alawbathani S, Plank R, Eckl K, Krabichler B, Altmüller J, Nürnberg P, Zschocke J, Borck G, Schmuth M, Alabdulkareem AS, Abdulaziz Alnutaifi K, Hennies HC. Unknown mutations and genotype/phenotype correlations of autosomal recessive congenital ichthyosis in patients from Saudi Arabia and Pakistan. Mol Genet Genomic Med 2019; 7:e539. [PMID: 30600594 PMCID: PMC6418373 DOI: 10.1002/mgg3.539] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 10/26/2018] [Accepted: 11/15/2018] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND Autosomal recessive congenital ichthyosis (ARCI) is a genetically and phenotypically heterogeneous skin disease, associated with defects in the skin permeability barrier. Several but not all genes with underlying mutations have been identified, but a clear correlation between genetic causes and clinical picture has not been described to date. METHODS Our study included 19 families from Saudi Arabia, Yemen, and Pakistan. All patients were born to consanguineous parents and diagnosed with ARCI. Mutations were analyzed by homozygosity mapping and direct sequencing. RESULTS We have detected mutations in all families in five different genes: TGM1, ABCA12, CYP4F22, NIPAL4, and ALOXE3. Five likely pathogenic variants were unknown so far, a splice site and a missense variant in TGM1, a splice site variant in NIPAL4, and missense variants in ABCA12 and CYP4F22. We attributed TGM1 and ABCA12 mutations to the most severe forms of lamellar and erythematous ichthyoses, respectively, regardless of treatment. Other mutations highlighted the presence of a phenotypic spectrum in ARCI. CONCLUSION Our results contribute to expanding the mutational spectrum of ARCI and revealed new insights into genotype/phenotype correlations. The findings are instrumental for a faster and more precise diagnosis, a better understanding of the pathophysiology, and the definition of targets for more specific therapies for ARCI.
Collapse
Affiliation(s)
- Dulce Lima Cunha
- Department of Biological and Geographical Sciences, University of Huddersfield, Huddersfield, UK.,Division of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria.,Cologne Center for Genomics, University of Cologne, Cologne, Germany
| | - Omar Mohammed Alakloby
- Department of Dermatology, College of Medicine, Imam Abdulrahman Bin Faisal University (formerly University of Dammam), Dammam, Saudi Arabia
| | - Robert Gruber
- Department of Dermatology, Medical University of Innsbruck, Innsbruck, Austria
| | - Naseebullah Kakar
- Institute of Human Genetics, University of Ulm, Ulm, Germany.,Department of Biotechnology, BUITEMS, Quetta, Pakistan
| | - Jamil Ahmad
- Department of Biotechnology, BUITEMS, Quetta, Pakistan
| | - Salem Alawbathani
- Cologne Center for Genomics, University of Cologne, Cologne, Germany
| | - Roswitha Plank
- Department of Biological and Geographical Sciences, University of Huddersfield, Huddersfield, UK.,Division of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria
| | - Katja Eckl
- Department of Biological and Geographical Sciences, University of Huddersfield, Huddersfield, UK.,Division of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria.,Department of Biology, Edge Hill University, Ormskirk, UK
| | - Birgit Krabichler
- Division of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria
| | - Janine Altmüller
- Cologne Center for Genomics, University of Cologne, Cologne, Germany
| | - Peter Nürnberg
- Cologne Center for Genomics, University of Cologne, Cologne, Germany.,CECAD Cluster of Excellence on Cellular Stress Responses in Aging-associated Diseases, University of Cologne, Cologne, Germany
| | - Johannes Zschocke
- Division of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria
| | - Guntram Borck
- Institute of Human Genetics, University of Ulm, Ulm, Germany
| | - Matthias Schmuth
- Department of Dermatology, Medical University of Innsbruck, Innsbruck, Austria
| | | | - Kholood Abdulaziz Alnutaifi
- Department of Dermatology, College of Medicine, Imam Abdulrahman Bin Faisal University (formerly University of Dammam), Dammam, Saudi Arabia
| | - Hans Christian Hennies
- Department of Biological and Geographical Sciences, University of Huddersfield, Huddersfield, UK.,Division of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria.,Cologne Center for Genomics, University of Cologne, Cologne, Germany.,CECAD Cluster of Excellence on Cellular Stress Responses in Aging-associated Diseases, University of Cologne, Cologne, Germany
| |
Collapse
|
42
|
Moosbrugger-Martinz V, Gruber R, Ladstätter K, Bellutti M, Blunder S, Schmuth M, Dubrac S. Filaggrin null mutations are associated with altered circulating Tregs in atopic dermatitis. J Cell Mol Med 2018; 23:1288-1299. [PMID: 30515983 PMCID: PMC6349342 DOI: 10.1111/jcmm.14031] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Revised: 10/21/2018] [Accepted: 10/26/2018] [Indexed: 01/10/2023] Open
Abstract
Atopic dermatitis (AD) is a chronic inflammatory skin disease with a complex pathogenesis. Although regulatory T cells (Tregs) have previously been studied in AD, their role remains controversial, likely owing to patient heterogeneity. Thus, we recruited adult AD patients and age‐matched healthy controls, and assessed their filaggrin (FLG) genotype, serum IgE level, and eczema area and severity index (EASI). We found increased proportions of all circulating Treg subpopulations in AD patients. Moreover, we show positive correlations between circulating Tregs and serum IgE FLG null mutations limited the expansion of both memory and effector Tregs and enhanced that of recently thymus‐emigrated Tregs. Furthermore, proportions of circulating Th2‐ or Th17‐Tregs but not Th1‐Tregs were increased in AD patients, and accentuated by FLG null mutations, thereby mimicking the immune deviation observed in Th cell populations. Moreover, ICOS+ Tregs showed reduced production of interleukin‐10, suggesting impaired immunosuppression in AD. The level of demethylation of FOXP3i1, which reflects the stability of FOXP3 expression, was similar in the blood and skin of AD patients and healthy controls. Overall, these results show that Tregs may participate into AD pathogenesis and that FLG null mutations exert further modifications on specific subpopulations of circulating Tregs.
Collapse
Affiliation(s)
- Verena Moosbrugger-Martinz
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Robert Gruber
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Katharina Ladstätter
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Marion Bellutti
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Stefan Blunder
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Matthias Schmuth
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Sandrine Dubrac
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| |
Collapse
|
43
|
Mazereeuw-Hautier J, Vahlquist A, Traupe H, Bygum A, Amaro C, Aldwin M, Audouze A, Bodemer C, Bourrat E, Diociaiuti A, Dolenc-Voljc M, Dreyfus I, El Hachem M, Fischer J, Gånemo A, Gouveia C, Gruber R, Hadj-Rabia S, Hohl D, Jonca N, Ezzedine K, Maier D, Malhotra R, Rodriguez M, Ott H, Paige DG, Pietrzak A, Poot F, Schmuth M, Sitek JC, Steijlen P, Wehr G, Moreen M, O'Toole EA, Oji V, Hernandez-Martin A. Management of congenital ichthyoses: European guidelines of care, part one. Br J Dermatol 2018; 180:272-281. [PMID: 30216406 DOI: 10.1111/bjd.17203] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/10/2018] [Indexed: 12/21/2022]
Abstract
These guidelines for the management of congenital ichthyoses have been developed by a multidisciplinary group of European experts following a systematic review of the current literature, an expert conference held in Toulouse in 2016 and a consensus on the discussions. They summarize evidence and expert-based recommendations and are intended to help clinicians with the management of these rare and often complex diseases. These guidelines comprise two sections. This is part one, covering topical therapies, systemic therapies, psychosocial management, communicating the diagnosis and genetic counselling.
Collapse
Affiliation(s)
- J Mazereeuw-Hautier
- Reference Centre for Rare Skin Diseases, Dermatology Department, Larrey Hospital, Toulouse, France
| | - A Vahlquist
- Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | - H Traupe
- Department of Dermatology, University Hospital of Münster, Von-Esmarch-Straße 58,, D-48149, Münster, Germany
| | - A Bygum
- Department of Dermatology and Allergy Centre, Odense University Hospital, Odense, Denmark
| | - C Amaro
- Hospital de Egas Moniz, Centro Hospitalar Lisboa Ocidental, Lisbon, Portugal
| | - M Aldwin
- Ichthyosis Support Group, PO Box 1242, Yateley, GU47 7FL, U.K
| | - A Audouze
- Association Ichtyose France, Bellerive sur Allier, France
| | - C Bodemer
- Department of Dermatology, Reference Center for Genodermatoses and Rare Skin Diseases (MAGEC), Paris, France.,Institut Imagine, Université Descartes, Sorbonne Paris Cité, Hôpital Necker-Enfants Malades, Paris
| | - E Bourrat
- Department of Dermatology, Reference Center for Genodermatoses and Rare Skin Diseases (MAGEC), Paris, France
| | - A Diociaiuti
- Dermatology Division, Bambino Gesù Children's Hospital-IRCCS, Rome, Italy
| | - M Dolenc-Voljc
- Department of Dermatovenereology, University Medical Centre Ljubljana, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - I Dreyfus
- Reference Centre for Rare Skin Diseases, Dermatology Department, Larrey Hospital, Toulouse, France
| | - M El Hachem
- Dermatology Division, Bambino Gesù Children's Hospital-IRCCS, Rome, Italy
| | - J Fischer
- Institute of Human Genetics, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - A Gånemo
- Department of Dermatology, Institute of Clinical Research in Malmö, Skåne University Hospital, Lund University, Malmö, Sweden
| | - C Gouveia
- Department of Dermatology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - R Gruber
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - S Hadj-Rabia
- Department of Dermatology, Reference Center for Genodermatoses and Rare Skin Diseases (MAGEC), Paris, France.,Institut Imagine, Université Descartes, Sorbonne Paris Cité, Hôpital Necker-Enfants Malades, Paris
| | - D Hohl
- Department of Dermatology, Hôpital de Beaumont, Lausanne, Switzerland
| | - N Jonca
- Epithelial Differentiation and Rheumatoid Autoimmunity Unit (UDEAR), UMR 1056 Inserm - Toulouse 3 University, Purpan Hospital, Toulouse, France
| | - K Ezzedine
- Department of Dermatology, Hôpital Henri Mondor, EA EpiDerm, UPEC-Université Paris-Est Créteil, 94010, Créteil, France
| | - D Maier
- Dermatology Department, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - R Malhotra
- Corneoplastic Unit, Queen Victoria Hospital NHS Trust, East Grinstead, U.K
| | - M Rodriguez
- Department of Ear, Nose and Throat, Hospital Universitario Son Espases, Palma de Mallorca, Spain
| | - H Ott
- Division of Pediatric Dermatology and Allergology, Auf Der Bult Children's Hospital, Hanover, Germany
| | - D G Paige
- Department of Dermatology, Royal London Hospital, Barts Health NHS Trust, London, E1 1BB, U.K
| | - A Pietrzak
- Department of Dermatology, Venereology and Paediatric Dermatology, Medical University of Lublin, Lublin, Poland
| | - F Poot
- ULB-Erasme Hospital, Department of Dermatology, Brussels, Belgium
| | - M Schmuth
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - J C Sitek
- Department of Dermatology and Centre for Rare Disorders, Oslo University Hospital, Oslo, Norway
| | - P Steijlen
- Department of Dermatology, Maastricht University Medical Centre, GROW Research School for Oncology and Developmental Biology, Maastricht, the Netherlands
| | - G Wehr
- Selbsthilfe Ichthyose, Kürten, Germany
| | - M Moreen
- Department of Dermatology, University Hospitals Leuven, Leuven, Belgium.,Department of Microbiology and Immunology, KU Leuven, Belgium
| | - E A O'Toole
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, U.K
| | - V Oji
- Department of Dermatology, University Hospital of Münster, Von-Esmarch-Straße 58,, D-48149, Münster, Germany.,Hautarztpraxis am Buddenturm, Rudolf-von-Langen-Straße 55, D-48147, Münster, Germany
| | | |
Collapse
|
44
|
Mazereeuw-Hautier J, Hernández-Martín A, O'Toole EA, Bygum A, Amaro C, Aldwin M, Audouze A, Bodemer C, Bourrat E, Diociaiuti A, Dolenc-Voljč M, Dreyfus I, El Hachem M, Fischer J, Ganemo A, Gouveia C, Gruber R, Hadj-Rabia S, Hohl D, Jonca N, Ezzedine K, Maier D, Malhotra R, Rodriguez M, Ott H, Paige DG, Pietrzak A, Poot F, Schmuth M, Sitek JC, Steijlen P, Wehr G, Moreen M, Vahlquist A, Traupe H, Oji V. Management of congenital ichthyoses: European guidelines of care, part two. Br J Dermatol 2018; 180:484-495. [PMID: 29897631 DOI: 10.1111/bjd.16882] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/04/2018] [Indexed: 01/03/2023]
Abstract
These guidelines for the management of congenital ichthyoses have been developed by a multidisciplinary group of European experts following a systematic review of the current literature, an expert conference held in Toulouse in 2016, and a consensus on the discussions. These guidelines summarize evidence and expert-based recommendations and intend to help clinicians with the management of these rare and often complex diseases. These guidelines comprise two sections. This is part two, covering the management of complications and the particularities of some forms of congenital ichthyosis.
Collapse
Affiliation(s)
- J Mazereeuw-Hautier
- Reference Centre for Rare Skin Diseases, Dermatology Department, Larrey Hospital, Toulouse, France
| | | | - E A O'Toole
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Barts, and the London School of Medicine and Dentistry, Queen Mary University of London, London, U.K
| | - A Bygum
- Department of Dermatology and Allergy Centre, Odense University Hospital, Odense, Denmark
| | - C Amaro
- Hospital de Egas Moniz, Centro Hospitalar Lisboa Ocidental, Lisbon, Portugal
| | - M Aldwin
- Ichthyosis Support Group, PO Box 1242, Yateley, GU47 7FL, U.K
| | - A Audouze
- Association Ichtyose France, Bellerive sur Allier, France
| | - C Bodemer
- Department of Dermatology, Reference Center for Genodermatoses and Rare Skin Diseases (MAGEC), Hôpital Saint-Louis, Paris, France.,Institut Imagine, Université Descartes, Sorbonne Paris Cité, Hôpital Necker-Enfants Malades, Paris, France
| | - E Bourrat
- Department of Dermatology, Reference Center for Genodermatoses and Rare Skin Diseases (MAGEC), Hôpital Saint-Louis, Paris, France
| | - A Diociaiuti
- Dermatology Division, Bambino Gesù Children's Hospital-IRCCS, Rome, Italy
| | - M Dolenc-Voljč
- Department of Dermatovenereology, University Medical Centre Ljubljana, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - I Dreyfus
- Reference Centre for Rare Skin Diseases, Dermatology Department, Larrey Hospital, Toulouse, France
| | - M El Hachem
- Dermatology Division, Bambino Gesù Children's Hospital-IRCCS, Rome, Italy
| | - J Fischer
- Institute of Human Genetics, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - A Ganemo
- Department of Dermatology, Institute of Clinical Research in Malmö, Skåne University Hospital, Lund University, Malmö, Sweden
| | - C Gouveia
- Department of Dermatology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - R Gruber
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - S Hadj-Rabia
- Department of Dermatology, Reference Center for Genodermatoses and Rare Skin Diseases (MAGEC), Hôpital Saint-Louis, Paris, France.,Institut Imagine, Université Descartes, Sorbonne Paris Cité, Hôpital Necker-Enfants Malades, Paris, France
| | - D Hohl
- Department of Dermatology, Hôpital de Beaumont, Lausanne, Switzerland
| | - N Jonca
- Epithelial Differentiation and Rheumatoid Autoimmunity Unit (UDEAR), UMR 1056 Inserm - Toulouse 3 University, Purpan Hospital, Toulouse, France
| | - K Ezzedine
- Depatment of Dermatology, Hôpital Henri Mondor, EA EpiDerm, UPEC-Université Paris-Est Créteil, 94010, Créteil, France
| | - D Maier
- Dermatology Department, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - R Malhotra
- Corneoplastic Unit, Queen Victoria Hospital NHS Trust, East Grinstead, West Sussex, U.K
| | - M Rodriguez
- Department of Ear, Nose and Throat, Hospital Universitario Son Espases, Palma de Mallorca, Spain
| | - H Ott
- Division of Pediatric Dermatology and Allergology, Auf Der Bult Children's Hospital, Hanover, Germany
| | - D G Paige
- Department of Dermatology, Royal London Hospital, Barts Health NHS Trust, London, E1 1BB, U.K
| | - A Pietrzak
- Department of Dermatology, Venereology and Paediatric Dermatology, Medical University of Lublin, Lublin, Poland
| | - F Poot
- ULB-Erasme Hospital, Department of Dermatology, Brussels, Belgium
| | - M Schmuth
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - J C Sitek
- Department of Dermatology and Centre for Rare Disorders, Oslo University Hospital, Oslo, Norway
| | - P Steijlen
- Department of Dermatology, Maastricht University Medical Centre, GROW Research School for Oncology and Developmental Biology, Maastricht, the Netherlands
| | - G Wehr
- Selbsthilfe Ichthyose, Kürten, Germany
| | - M Moreen
- Department of Dermatology, University Hospitals Leuven, Leuven, Belgium.,Department of Microbiology and Immunology KU Leuven, Leuven, Belgium
| | - A Vahlquist
- Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | - H Traupe
- Department of Dermatology, University Hospital of Münster, Von-Esmarch-Straße 58, D-48149, Münster, Germany
| | - V Oji
- Department of Dermatology, University Hospital of Münster, Von-Esmarch-Straße 58, D-48149, Münster, Germany.,Hautarztpraxis am Buddenturm, Rudolf-von-Langen-Straße 55, D-48147, Münster, Germany
| |
Collapse
|
45
|
Crumrine D, Khnykin D, Krieg P, Man MQ, Celli A, Mauro TM, Wakefield JS, Menon G, Mauldin E, Miner JH, Lin MH, Brash AR, Sprecher E, Radner FPW, Choate K, Roop D, Uchida Y, Gruber R, Schmuth M, Elias PM. Mutations in Recessive Congenital Ichthyoses Illuminate the Origin and Functions of the Corneocyte Lipid Envelope. J Invest Dermatol 2018; 139:760-768. [PMID: 30471252 DOI: 10.1016/j.jid.2018.11.005] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 10/25/2018] [Accepted: 11/07/2018] [Indexed: 12/26/2022]
Abstract
The corneocyte lipid envelope (CLE), a monolayer of ω-hydroxyceramides whose function(s) remain(s) uncertain, is absent in patients with autosomal recessive congenital ichthyoses with mutations in enzymes that regulate epidermal lipid synthesis. Secreted lipids fail to transform into lamellar membranes in certain autosomal recessive congenital ichthyosis epidermis, suggesting the CLE provides a scaffold for the extracellular lamellae. However, because cornified envelopes are attenuated in these autosomal recessive congenital ichthyoses, the CLE may also provide a scaffold for subjacent cornified envelope formation, evidenced by restoration of cornified envelopes after CLE rescue. We provide multiple lines of evidence that the CLE originates as lamellar body-limiting membranes fuse with the plasma membrane: (i) ABCA12 patients and Abca12-/- mice display normal CLEs; (ii) CLEs are normal in Netherton syndrome, despite destruction of secreted LB contents; (iii) CLEs are absent in VSP33B-negative patients; (iv) limiting membranes of lamellar bodies are defective in lipid-synthetic autosomal recessive congenital ichthyoses; and (v) lipoxygenases, lipase activity, and LIPN co-localize within putative lamellar bodies.
Collapse
Affiliation(s)
- Debra Crumrine
- Dermatology Service, Veterans Affairs Medical Center, San Francisco, California, USA; Department of Dermatology, University of California-San Francisco, San Francisco, California, USA
| | - Denis Khnykin
- Department of Pathology, Oslo University Hospital, Oslo, Norway; Centre for Immune Regulation, University of Oslo, Oslo, Norway
| | - Peter Krieg
- Molecular Diagnostics of Oncogenic Infections, German Cancer Research Center, Heidelberg, Germany
| | - Mao-Qiang Man
- Dermatology Service, Veterans Affairs Medical Center, San Francisco, California, USA; Department of Dermatology, University of California-San Francisco, San Francisco, California, USA
| | - Anna Celli
- Dermatology Service, Veterans Affairs Medical Center, San Francisco, California, USA; Department of Dermatology, University of California-San Francisco, San Francisco, California, USA
| | - Theodora M Mauro
- Dermatology Service, Veterans Affairs Medical Center, San Francisco, California, USA; Department of Dermatology, University of California-San Francisco, San Francisco, California, USA
| | - Joan S Wakefield
- Dermatology Service, Veterans Affairs Medical Center, San Francisco, California, USA; Department of Dermatology, University of California-San Francisco, San Francisco, California, USA
| | | | - Elizabeth Mauldin
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jeffrey H Miner
- Department of Medicine, Division of Nephrology, Washington University, St. Louis, Missouri, USA
| | - Meei-Hua Lin
- Department of Medicine, Division of Nephrology, Washington University, St. Louis, Missouri, USA
| | - Alan R Brash
- Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
| | - Eli Sprecher
- Department of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Franz P W Radner
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
| | - Keith Choate
- Departments of Dermatology and Genetics, Yale University, New Haven, Connecticut, USA
| | - Dennis Roop
- Department of Dermatology, University of Colorado, Denver, Colorado, USA
| | - Yoshikazu Uchida
- Dermatology Service, Veterans Affairs Medical Center, San Francisco, California, USA; Department of Dermatology, University of California-San Francisco, San Francisco, California, USA
| | - Robert Gruber
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Matthias Schmuth
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Peter M Elias
- Dermatology Service, Veterans Affairs Medical Center, San Francisco, California, USA; Department of Dermatology, University of California-San Francisco, San Francisco, California, USA.
| |
Collapse
|
46
|
Plank R, Yealland G, Miceli E, Lima Cunha D, Graff P, Thomforde S, Gruber R, Moosbrugger-Martinz V, Eckl K, Calderón M, Hennies HC, Hedtrich S. Transglutaminase 1 Replacement Therapy Successfully Mitigates the Autosomal Recessive Congenital Ichthyosis Phenotype in Full-Thickness Skin Disease Equivalents. J Invest Dermatol 2018; 139:1191-1195. [PMID: 30448383 DOI: 10.1016/j.jid.2018.11.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 10/24/2018] [Accepted: 11/05/2018] [Indexed: 10/27/2022]
Affiliation(s)
- Roswitha Plank
- Department of Biological Sciences, University of Huddersfield, Huddersfield, UK; Cologne Center for Genomics, University of Cologne, Köln, Germany; Division of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria
| | - Guy Yealland
- Freie Universität Berlin, Institute of Pharmacy, Pharmacology and Toxicology, Berlin, Germany; Current address: Department of Nutrition Toxicology, University of Potsdam, Nuthetal, Germany
| | - Enrico Miceli
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Berlin, Germany
| | - Dulce Lima Cunha
- Department of Biological Sciences, University of Huddersfield, Huddersfield, UK; Cologne Center for Genomics, University of Cologne, Köln, Germany; Division of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria
| | - Patrick Graff
- Freie Universität Berlin, Institute of Pharmacy, Pharmacology and Toxicology, Berlin, Germany
| | - Sari Thomforde
- Department of Biological Sciences, University of Huddersfield, Huddersfield, UK
| | - Robert Gruber
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Verena Moosbrugger-Martinz
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Katja Eckl
- Department of Biological Sciences, University of Huddersfield, Huddersfield, UK; Division of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria; Department of Biology, Edge Hill University, Ormskirk, UK
| | - Marcelo Calderón
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Berlin, Germany
| | - Hans Christian Hennies
- Department of Biological Sciences, University of Huddersfield, Huddersfield, UK; Cologne Center for Genomics, University of Cologne, Köln, Germany; Division of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria.
| | - Sarah Hedtrich
- Freie Universität Berlin, Institute of Pharmacy, Pharmacology and Toxicology, Berlin, Germany.
| |
Collapse
|
47
|
Pajunk R, Barinoff J, Junker-Stein A, Aulmann S, Gruber R, Chao C, Thill M. Der Oncotype DX Recurrence Score® bei Patientinnen mit einem primär metastasierten ER+ HER2- Mammakarzinom. Geburtshilfe Frauenheilkd 2018. [DOI: 10.1055/s-0038-1671311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
Affiliation(s)
- R Pajunk
- Agaplesion Markus Krankenhaus, Gynäkologie und Geburtshilfe, Frankfurt am Main, Deutschland
| | - J Barinoff
- Charité – Universitätsmedizin Berlin, Gynäkologie und Geburtshilfe, Berlin, Deutschland
| | - A Junker-Stein
- Klinikum Höchst, Gynäkologie und Geburtshilfe, Frankfurt am Main, Deutschland
| | - S Aulmann
- OptiPath MVZ für Pathologie, Frankfurt am Main, Deutschland
| | - R Gruber
- Genomic Health Inc., Redwood City, Vereinigte Staaten von Amerika
| | - C Chao
- Genomic Health Inc., Redwood City, Vereinigte Staaten von Amerika
| | - M Thill
- Agaplesion Markus Krankenhaus, Gynäkologie und Geburtshilfe, Frankfurt am Main, Deutschland
| |
Collapse
|
48
|
Zorn-Kruppa M, Vidal-Y-Sy S, Houdek P, Wladykowski E, Grzybowski S, Gruber R, Gorzelanny C, Harcup J, Schneider SW, Majumdar A, Brandner JM. Tight Junction barriers in human hair follicles - role of claudin-1. Sci Rep 2018; 8:12800. [PMID: 30143655 PMCID: PMC6109114 DOI: 10.1038/s41598-018-30341-9] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 07/27/2018] [Indexed: 12/29/2022] Open
Abstract
Barrier function of hair follicles (HFs) is of great interest because they might be an entry port for allergens/pathogens, but could on the other hand be used for drug delivery or vaccination. Therefore we investigated tight junction (TJ) barrier function in human HFs. We show that there is a TJ barrier in the outermost living layer bordering to the environment from the infundibulum to the lower central part and between Henle’s and Huxles layer of anagen HFs. In club hair typical for catagen and telogen HFs a TJ barrier is found surrounding the club. This demonstrates that there is a continuous TJ barrier along interfollicular epidermis and HFs in different phases of HF cycle. However, interestingly, in cell culture experiments we can show that barrier is less tight in HF keratinocytes compared to interfollicular keratinocytes. Knock-down of the TJ protein claudin-1, which we demonstrate here to be less expressed in HFs of lesional atopic dermatitis skin, results in impaired barrier function, decreased proliferation and increased apoptosis of hair keratinocytes. This is in line with a hair growth phenotype in claudin-1 deficient patients (NISCH syndrome) and corresponding knock-out mice and indicates an important role of claudin-1 in HF barrier function and growth.
Collapse
Affiliation(s)
- Michaela Zorn-Kruppa
- Department of Dermatology and Venerology, University Hospital Hamburg-Eppendorf, Hamburg, Germany
| | - Sabine Vidal-Y-Sy
- Department of Dermatology and Venerology, University Hospital Hamburg-Eppendorf, Hamburg, Germany
| | - Pia Houdek
- Department of Dermatology and Venerology, University Hospital Hamburg-Eppendorf, Hamburg, Germany
| | - Ewa Wladykowski
- Department of Dermatology and Venerology, University Hospital Hamburg-Eppendorf, Hamburg, Germany
| | | | - Robert Gruber
- Department of Dermatology, Medical University of Innsbruck, Innsbruck, Austria
| | - Christian Gorzelanny
- Department of Dermatology and Venerology, University Hospital Hamburg-Eppendorf, Hamburg, Germany
| | - Jason Harcup
- Unilever R&D Port Sunlight Laboratory, Bebington, UK
| | - Stefan W Schneider
- Department of Dermatology and Venerology, University Hospital Hamburg-Eppendorf, Hamburg, Germany
| | | | - Johanna M Brandner
- Department of Dermatology and Venerology, University Hospital Hamburg-Eppendorf, Hamburg, Germany.
| |
Collapse
|
49
|
Hahn J, Schauer C, Czegley C, Kling L, Petru L, Schmid B, Weidner D, Reinwald C, Biermann MHC, Blunder S, Ernst J, Lesner A, Bäuerle T, Palmisano R, Christiansen S, Herrmann M, Bozec A, Gruber R, Schett G, Hoffmann MH. Aggregated neutrophil extracellular traps resolve inflammation by proteolysis of cytokines and chemokines and protection from antiproteases. FASEB J 2018; 33:1401-1414. [PMID: 30130433 DOI: 10.1096/fj.201800752r] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Papillon-Lefèvre syndrome (PLS) is characterized by nonfunctional neutrophil serine proteases (NSPs) and fulminant periodontal inflammation of unknown cause. Here we investigated neutrophil extracellular trap (NET)-associated aggregation and cytokine/chemokine-release/degradation by normal and NSP-deficient human and mouse granulocytes. Stimulated with solid or soluble NET inducers, normal neutrophils formed aggregates and both released and degraded cytokines/chemokines. With increasing cell density, proteolytic degradation outweighed release. Maximum output of cytokines/chemokines occurred mostly at densities between 2 × 107 and 4 × 107 neutrophils/cm3. Assessment of neutrophil density in vivo showed that these concentrations are surpassed during inflammation. Association with aggregated NETs conferred protection of neutrophil elastase against α1-antitrypsin. In contrast, eosinophils did not influence cytokine/chemokine concentrations. The proteolytic degradation of inflammatory mediators seen in NETs was abrogated in Papillon-Lefèvre syndrome (PLS) neutrophils. In summary, neutrophil-driven proteolysis of inflammatory mediators works as a built-in safeguard for inflammation. The absence of this negative feedback mechanism might be responsible for the nonresolving periodontitis seen in PLS.-Hahn, J., Schauer, C., Czegley, C., Kling, L., Petru, L., Schmid, B., Weidner, D., Reinwald, C., Biermann, M. H. C., Blunder, S., Ernst, J., Lesner, A., Bäuerle, T., Palmisano, R., Christiansen, S., Herrmann, M., Bozec, A., Gruber, R., Schett, G., Hoffmann, M. H. Aggregated neutrophil extracellular traps resolve inflammation by proteolysis of cytokines and chemokines and protection from antiproteases.
Collapse
Affiliation(s)
- Jonas Hahn
- Department of Medicine 3, Friedrich Alexander University of Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Christine Schauer
- Department of Medicine 3, Friedrich Alexander University of Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Christine Czegley
- Department of Medicine 3, Friedrich Alexander University of Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Lasse Kling
- Max Planck Institute for the Science of Light, Erlangen, Germany
| | - Lenka Petru
- Department of Medicine 3, Friedrich Alexander University of Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany.,Department of Rheumatology, First Faculty of Medicine, Charles University-Institute of Rheumatology, Prague, Czech Republic
| | - Benjamin Schmid
- Optical Imaging Centre Erlangen (OICE), Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Daniela Weidner
- Department of Medicine 3, Friedrich Alexander University of Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Christiane Reinwald
- Department of Medicine 3, Friedrich Alexander University of Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Mona H C Biermann
- Department of Medicine 3, Friedrich Alexander University of Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Stefan Blunder
- Department of Dermatology, Venereology, and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Jürgen Ernst
- Fraunhofer Institute for Integrated Circuits (IIS), Erlangen, Germany
| | - Adam Lesner
- Faculty of Chemistry, University of Gdansk, Gdansk, Poland
| | - Tobias Bäuerle
- Institute of Radiology, Friedrich Alexander University of Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Ralf Palmisano
- Optical Imaging Centre Erlangen (OICE), Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Silke Christiansen
- Max Planck Institute for the Science of Light, Erlangen, Germany.,Helmholtz-Zentrum Berlin für Materialien und Energie, Berlin, Germany.,Physics Department, Freie Universität Berlin, Berlin, Germany
| | - Martin Herrmann
- Department of Medicine 3, Friedrich Alexander University of Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Aline Bozec
- Department of Medicine 3, Friedrich Alexander University of Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Robert Gruber
- Department of Dermatology, Venereology, and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Georg Schett
- Department of Medicine 3, Friedrich Alexander University of Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Markus H Hoffmann
- Department of Medicine 3, Friedrich Alexander University of Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| |
Collapse
|
50
|
Devito L, Donne M, Kolundzic N, Khurana P, Hobbs C, Kaddour G, Dubrac S, Gruber R, Schmuth M, Mauro T, Ilic D. Induced pluripotent stem cell line from an atopic dermatitis patient heterozygous for c.2282del4 mutation in filaggrin: KCLi001-A. Stem Cell Res 2018; 31:122-126. [PMID: 30075366 PMCID: PMC7514110 DOI: 10.1016/j.scr.2018.07.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Accepted: 07/13/2018] [Indexed: 12/05/2022] Open
Abstract
We have generated an induced pluripotent stem cell (iPSC) line KCLi001-A (iOP118) from a female atopic dermatitis (AD) patient, heterozygous for the loss-of-function mutation c.2282del4 in the filaggrin gene (FLG). Epidermal keratinocytes were reprogrammed using non-integrating Sendai virus vectors. The entire process of derivation and expansion of AD-iPSCs were performed under xeno-free culture conditions. Characterization of KCLi001-A line included molecular karyotyping, mutation screening using restriction enzyme digestion and Sanger sequencing, while pluripotency and differentiation potential were confirmed by expression of associated markers in vitro and by in vivo teratoma assay.
Collapse
Affiliation(s)
- Liani Devito
- Stem Cell Laboratory, Department of Women and Children's Health, School of Life Course Sciences, Faculty of Life Sciences and Medicine, King's College London, London, UK; Assisted Conception Unit, Guy's Hospital, London, UK
| | | | - Nikola Kolundzic
- Stem Cell Laboratory, Department of Women and Children's Health, School of Life Course Sciences, Faculty of Life Sciences and Medicine, King's College London, London, UK; Assisted Conception Unit, Guy's Hospital, London, UK
| | - Preeti Khurana
- Stem Cell Laboratory, Department of Women and Children's Health, School of Life Course Sciences, Faculty of Life Sciences and Medicine, King's College London, London, UK; Assisted Conception Unit, Guy's Hospital, London, UK
| | - Carl Hobbs
- Histology Laboratory, Wolfson Centre for Age-Related Diseases, School of Biomedical Sciences, King's College London, London, UK
| | - Gabriel Kaddour
- Laboratoire de Biologie et Modélisation de la Cellule, ENS de Lyon, Lyon, France
| | - Sandrine Dubrac
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Robert Gruber
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Matthias Schmuth
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Thea Mauro
- Dermatology Services, Veteran Affairs Medical Center, University of California San Francisco, San Francisco, California, USA
| | - Dusko Ilic
- Stem Cell Laboratory, Department of Women and Children's Health, School of Life Course Sciences, Faculty of Life Sciences and Medicine, King's College London, London, UK; Assisted Conception Unit, Guy's Hospital, London, UK.
| |
Collapse
|