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Malhi K, Mustari A, Singh S, Kumar A, Vignesh P, De D, Handa S, Mahajan R. A photo-distributed rash and eczematous eruptions in two siblings-A diagnostic conundrum. Australas J Dermatol 2024; 65:402-405. [PMID: 38646889 DOI: 10.1111/ajd.14295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 04/07/2024] [Accepted: 04/09/2024] [Indexed: 04/23/2024]
Affiliation(s)
- Kittu Malhi
- Department of Dermatology, Venereology and Leprology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Akash Mustari
- Department of Dermatology, Venereology and Leprology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Sukhdeep Singh
- Department of Dermatology, Venereology and Leprology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Anoop Kumar
- Department of Dermatology, Venereology and Leprology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Pandiarajan Vignesh
- Department of Paediatrics, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Dipankar De
- Department of Dermatology, Venereology and Leprology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Sanjeev Handa
- Department of Dermatology, Venereology and Leprology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Rahul Mahajan
- Department of Dermatology, Venereology and Leprology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
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2
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Kliszczak M, Moralli D, Jankowska JD, Bryjka P, Subha Meem L, Goncalves T, Hester SS, Fischer R, Clynes D, Green CM. Loss of FAM111B protease mutated in hereditary fibrosing poikiloderma negatively regulates telomere length. Front Cell Dev Biol 2023; 11:1175069. [PMID: 37342232 PMCID: PMC10277729 DOI: 10.3389/fcell.2023.1175069] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 05/02/2023] [Indexed: 06/22/2023] Open
Abstract
Hereditary fibrosing poikiloderma (HFP) is a rare human dominant negative disorder caused by mutations in the FAM111B gene that encodes a nuclear trypsin-like serine protease. HFP patients present with symptoms including skin abnormalities, tendon contractures, myopathy and lung fibrosis. We characterized the cellular roles of human FAM111B using U2OS and MCF7 cell lines and report here that the protease interacts with components of the nuclear pore complex. Loss of FAM111B expression resulted in abnormal nuclear shape and reduced telomeric DNA content suggesting that FAM111B protease is required for normal telomere length; we show that this function is independent of telomerase or recombination driven telomere extension. Even though FAM111B-deficient cells were proficient in DNA repair, they showed hallmarks of genomic instability such as increased levels of micronuclei and ultra-fine DNA bridges. When mutated as in HFP, FAM111B was more frequently localized to the nuclear envelope, suggesting that accumulation of the mutated protease at the nuclear periphery may drive the disease pathology.
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Affiliation(s)
- Maciej Kliszczak
- Nuffield Department of Medicine, Wellcome Centre for Human Genetics, University of Oxford, Oxford, United Kingdom
| | - Daniela Moralli
- Nuffield Department of Medicine, Wellcome Centre for Human Genetics, University of Oxford, Oxford, United Kingdom
| | - Julia D. Jankowska
- Nuffield Department of Medicine, Wellcome Centre for Human Genetics, University of Oxford, Oxford, United Kingdom
| | - Paulina Bryjka
- Nuffield Department of Medicine, Wellcome Centre for Human Genetics, University of Oxford, Oxford, United Kingdom
| | - Lamia Subha Meem
- Nuffield Department of Medicine, Wellcome Centre for Human Genetics, University of Oxford, Oxford, United Kingdom
| | - Tomas Goncalves
- Oncology Department, Weatherall Institute for Molecular Medicine, University of Oxford, Oxford, United Kingdom
| | - Svenja S. Hester
- Nuffield Department of Medicine, Target Discovery Institute, University of Oxford, Oxford, United Kingdom
| | - Roman Fischer
- Nuffield Department of Medicine, Target Discovery Institute, University of Oxford, Oxford, United Kingdom
- Chinese Academy of Medical Sciences Oxford Institute, Oxford, United Kingdom
| | - David Clynes
- Oncology Department, Weatherall Institute for Molecular Medicine, University of Oxford, Oxford, United Kingdom
| | - Catherine M. Green
- Nuffield Department of Medicine, Wellcome Centre for Human Genetics, University of Oxford, Oxford, United Kingdom
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3
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Macchiaiolo M, Panfili FM, Vecchio D, Cortellessa F, Gonfiantini MV, Buonuomo PS, Pietrobattista A, Francalanci P, Travaglini L, Bertini ES, El Hachem M, Bartuli A. Expanding phenotype of FAM111B-related disease focusing on liver involvement: Literature review, report of a case with end-stage liver disease and proposal for a new acronym. Am J Med Genet A 2022; 188:2920-2931. [PMID: 35869874 PMCID: PMC9546324 DOI: 10.1002/ajmg.a.62906] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 05/27/2022] [Accepted: 06/30/2022] [Indexed: 01/31/2023]
Abstract
POIKiloderma, tendon contractures, myopathy, pulmonary fibrosis is a congenital multisystem disorder due to FAM111B dominant variants. We present a literature review focusing on the frequency and the impact of hepatic involvement and a case report of a patient with severe end-stage liver disease. Whole exome sequencing (WES) was conducted on the proband and his parents. A de novo FAM111B: c.1879A > G; (p.Arg627Gly) variant was identified. Hepatic involvement is present in 11 out of the 30 patients described in the literature, with different levels of dysfunction ranging from mild transaminitis to liver fibrosis found in three different cases by liver biopsies. Liver involvement seems to be a significant cause of morbidity. We propose to modify the previous acronym in POIK-TMPL: including POIKiloderma, tendon contractures, myopathy, pulmonary fibrosis/pancreas insufficiency and cancer, liver involvement/lymphedema. Moreover, we suggest screening patients with FAM111B variants for liver involvement from the first month of life and continue with an appropriate follow-up. Further studies are needed to better understand this frequent complication.
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Affiliation(s)
- Marina Macchiaiolo
- Rare Diseases and Medical Genetics UnitUniversity‐Hospital Pediatric Department (DPUO) Bambino Gesù Children's Hospital, IRCSSRomeItaly
| | - Filippo M. Panfili
- Academic Department of PediatricsBambino Gesù Children's Hospital, IRCCSRomeItaly,School of PediatricsUniversity of Tor VergataRomeItaly
| | - Davide Vecchio
- Rare Diseases and Medical Genetics UnitUniversity‐Hospital Pediatric Department (DPUO) Bambino Gesù Children's Hospital, IRCSSRomeItaly
| | - Fabiana Cortellessa
- Rare Diseases and Medical Genetics UnitUniversity‐Hospital Pediatric Department (DPUO) Bambino Gesù Children's Hospital, IRCSSRomeItaly
| | - Michaela V. Gonfiantini
- Rare Diseases and Medical Genetics UnitUniversity‐Hospital Pediatric Department (DPUO) Bambino Gesù Children's Hospital, IRCSSRomeItaly
| | - Paola S. Buonuomo
- Rare Diseases and Medical Genetics UnitUniversity‐Hospital Pediatric Department (DPUO) Bambino Gesù Children's Hospital, IRCSSRomeItaly
| | - Andrea Pietrobattista
- Division of Gastroenterology, Hepatology and NutritionBambino Gesù Children's Hospital IRCCSRomeItaly
| | - Paola Francalanci
- Department of Pathology, Bambino Gesù Children's HospitalScientific Institute for Research, Hospitalization, and Health CareRomeItaly
| | - Lorena Travaglini
- Unit of Neuromuscular and Neurodegenerative Diseases, Department of NeuroscienceChildren's Hospital Bambino Gesù, IRCCSRomeItaly
| | - Enrico S. Bertini
- Unit of Neuromuscular and Neurodegenerative Diseases, Department of NeuroscienceChildren's Hospital Bambino Gesù, IRCCSRomeItaly
| | - Maya El Hachem
- Dermatology Unit and Genodermatosis Unit, Genetics and Rare Diseases Research DivisionBambino Gesù Children's Hospital, IRCCSRomeItaly
| | - Andrea Bartuli
- Rare Diseases and Medical Genetics UnitUniversity‐Hospital Pediatric Department (DPUO) Bambino Gesù Children's Hospital, IRCSSRomeItaly
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Leclerc-Mercier S, Mercier S, Bellon N, Hadj-Rabia S, Bodemer C, Hoeger P, Barbarot S, Fraitag S. Skin biopsy is helpful in the diagnosis of hereditary fibrosing POIKiloderma with Tendon contractures, Myopathy and Pulmonary fibrosis (POIKTMP), due to FAM111B mutation. J Eur Acad Dermatol Venereol 2022; 36:e439-e441. [PMID: 35034399 DOI: 10.1111/jdv.17937] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 01/07/2022] [Indexed: 11/30/2022]
Affiliation(s)
- S Leclerc-Mercier
- Department of Pathology and Reference Center for Genodermatoses (MAGEC center, Necker-Enfants Malades Hospital, Paris Centre University, France
| | - S Mercier
- CHU Nantes, Centre de Référence des Maladies Neuromusculaires AOC, Service de génétique médicale, 44000, Nantes, France.,Université de Nantes, CNRS, INSERM, l'institut du thorax, 44000, Nantes, France
| | - N Bellon
- Dermatology Department, reference Centre MAGEC, Necker- Enfants Malades Hospital, Paris-Centre University, Paris, France
| | - S Hadj-Rabia
- Dermatology Department, reference Centre MAGEC, Necker- Enfants Malades Hospital, Paris-Centre University, Paris, France
| | - C Bodemer
- Dermatology Department, reference Centre MAGEC, Necker- Enfants Malades Hospital, Paris-Centre University, Paris, France
| | - P Hoeger
- Departments of Paediatrics and Paediatric Dermagology, Catholic Children's Hospital Wilhelmstift, Hamburg, Germany
| | - S Barbarot
- CHU Nantes, Place Alexis Ricordeau, Clinique dermatologique, Hôtel Dieu, 44000, Nantes, France
| | - S Fraitag
- Department of Pathology and Reference Center for Genodermatoses (MAGEC center, Necker-Enfants Malades Hospital, Paris Centre University, France
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Rayinda T, van Steensel M, Danarti R. Inherited skin disorders presenting with poikiloderma. Int J Dermatol 2021; 60:1343-1353. [PMID: 33739439 DOI: 10.1111/ijd.15498] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 01/05/2021] [Accepted: 02/08/2021] [Indexed: 11/28/2022]
Abstract
Poikiloderma is a skin condition that combines atrophy, telangiectasia, and macular pigment changes (hypo- as well as hyperpigmentation). It is often mistaken for mottled pigmentation by general practitioners or nondermatology specialists. Poikiloderma can be a key presenting symptom of Rothmund-Thomson syndrome (RTS), dyskeratosis congenita (DC), hereditary sclerosing poikiloderma (HSP), hereditary fibrosing poikiloderma with tendon contractures, myopathy, and pulmonary fibrosis (POIKTMP), xeroderma pigmentosum (XP), Bloom syndrome (BS), Kindler syndrome (KS), and Clericuzio-type poikiloderma with neutropenia (PN). In these conditions, poikiloderma starts early in life, usually before the second or third year. They may also be associated with photosensitivity and other significant multi-organ manifestation developed later in life. Poikiloderma could indicate the presence of a genetic disorder with potentially serious consequences. Poikiloderma almost always precedes more severe manifestations of these genodermatoses. Prompt diagnosis at the time of presentation could help to prevent complications and mitigate the course of the disease. This review discusses these to help the practicing clinician manage patients presenting with the symptom. To further facilitate early recognition, this paper also proposes a simple diagnostic algorithm.
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Affiliation(s)
- Tuntas Rayinda
- Department of Dermatology and Venereology, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Maurice van Steensel
- Skin Research Institute of Singapore, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore.,Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore.,National Skin Center, Singapore, Singapore
| | - Retno Danarti
- Department of Dermatology and Venereology, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia
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Dokic Y, Albahrani Y, Phung T, Patel K, de Guzman M, Hertel P, Hunt R. Hereditary fibrosing poikiloderma with tendon contractures, myopathy, and pulmonary fibrosis: Hepatic disease in a child with a novel pathogenic variant of FAM111B. JAAD Case Rep 2020; 6:1217-1220. [PMID: 33294546 PMCID: PMC7701006 DOI: 10.1016/j.jdcr.2020.09.025] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Affiliation(s)
- Yelena Dokic
- School of Medicine, Department of Dermatology, Bayor College of Medicine, Houston, Texas
| | - Yasser Albahrani
- Department of Pediatrics and Dermatology, Texas Children's Hospital, Baylor College of Medicine, Houston, Texas
| | - Thuy Phung
- Department of Pathology, Texas Children's Hospital, Baylor College of Medicine, Houston, Texas
| | - Kalyani Patel
- Department of Pathology, Texas Children's Hospital, Baylor College of Medicine, Houston, Texas
| | - Marietta de Guzman
- Department of Rheumatology, Texas Children's Hospital, Baylor College of Medicine, Houston, Texas
| | - Paula Hertel
- Department of Gastroenterology, Hepatology, and Nutrition, Texas Children's Hospital, Baylor College of Medicine, Houston, Texas
| | - Raegan Hunt
- Department of Pediatrics and Dermatology, Texas Children's Hospital, Baylor College of Medicine, Houston, Texas
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7
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Zhang Z, Zhang J, Chen F, Zheng L, Li H, Liu M, Li M, Yao Z. Family of hereditary fibrosing poikiloderma with tendon contractures, myopathy and pulmonary fibrosis caused by a novel FAM111B mutation. J Dermatol 2019; 46:1014-1018. [PMID: 31392773 DOI: 10.1111/1346-8138.15045] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Accepted: 07/16/2019] [Indexed: 11/29/2022]
Abstract
Hereditary fibrosing poikiloderma with tendon contractures, myopathy and pulmonary fibrosis (POIKTMP) is a recently identified autosomal dominant genetic syndrome with mutations in FAM111B. Herein, we report a 14-month-old girl who presented with progressive poikiloderma on the face. Her 24-year-old mother had an identical facial poikiloderma, hyperpigmentation, mottling and Blaschko line hypopigmentation on the trunk and limbs, as well as severe tendon contractures. Next-generation sequencing based on a targeted gene capture panel revealed a missense mutation in the FAM111B gene p.Phe416Ser (c.1247T>C). Her mother had the same mutation as the proband. Moreover, this mutation was absent in the unaffected father and maternal grandparents. Based on the clinical manifestations and genetic analysis, the proband and her mother were diagnosed with POIKTMP. Protein modeling indicated that the mutation p.Phe416Ser dramatically changed the protein structure, especially its structural stability, and affected the protein function. This is the first report of POIKTMP in a Chinese family due to a novel FAM111B mutation. Furthermore, we have reviewed the genotype-phenotype correlation, differential diagnoses and management of POIKTMP.
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Affiliation(s)
- Zhen Zhang
- Department of Dermatology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Jia Zhang
- Department of Dermatology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Fuying Chen
- Department of Dermatology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Luyao Zheng
- Department of Dermatology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Huaguo Li
- Department of Dermatology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Ming Liu
- Department of Radiology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Ming Li
- Department of Dermatology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Zhirong Yao
- Department of Dermatology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
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