Journal ArticleDOI
Pityriasis Rubra Pilaris Type V as an Autoinflammatory Disease by CARD14 Mutations.
Takuya Takeichi,Kazumitsu Sugiura,Toshifumi Nomura,Taiko Sakamoto,Yasushi Ogawa,Naoki Oiso,Yuko Futei,Aki Fujisaki,Akiko Koizumi,Yumi Aoyama,Kimiko Nakajima,Yutaka Hatano,Kei Hayashi,Akemi Ishida-Yamamoto,Sakuhei Fujiwara,Shigetoshi Sano,Keiji Iwatsuki,Akira Kawada,Yasushi Suga,Hiroshi Shimizu,John A. McGrath,Masashi Akiyama +21 more
TLDR
Pityriasis rubra pilaris type V is a distinct variant of PRP that is caused by CARD14 mutations, and in silico analysis of all 3 mutations suggested that they are functionally relevant to pathogenesis.Abstract:
Importance We foundCARD14mutations (2 de novo novel mutations and another previously reported mutation) in 3 of 3 patients with pityriasis rubra pilaris (PRP) type V, but not in patients with PRP of other types. Our findings, combined with the published literature, suggest that type V PRP, both familial and sporadic, can be caused byCARD14mutations. Detailed clinical observation revealed that all 3 patients displayed unique patchy macular brown hyperpigmentation. Objective To further determine how often patients with PRP have pathogenic mutations inCARD14and to elucidate which clinical subtype of PRP is caused byCARD14mutations. Design, Setting, and Participants We sequenced the entire coding regions ofCARD14in genomic DNA from patients with 5 clinical subtypes of PRP. The detailed clinical features were analyzed in all the patients. The pathogenicity of each mutation was evaluated by several computational predictions. PRP was classified into 6 subgroups, types I to VI, based on clinical criteria. We categorized all the patients with PRP into the clinical subtypes using the classic PRP classification; 22 cases of PRP with varying subtypes were studied. Main Outcomes and Measures The prevalence ofCARD14mutations in each subtype of PRP was evaluated. Clinical features and characteristics of patients with PRP withCARD14mutations were analyzed. Results Overall 22 patients with PRP were included in our study (12 men, 10 women; mean [SD] age, 26 [18] years). Among 3 patients with PRP type V, all were found to haveCARD14mutations: 2 de novo novel mutations (p.Cys127Ser and p.Gln136Leu), and another previously reported mutation (p.Gly117Ser). All were close to the reported pathogenic domains. In silico analysis of all 3 mutations suggested that they are functionally relevant to pathogenesis. All 3 patients displayed unique patchy macular brown hyperpigmentation additionally to other typical features of PRP. Patients with PRP type I and type IV, 1 patient each, had the rare variants inCARD14. Conclusions and Relevance Pityriasis rubra pilaris type V is a distinct variant of PRP that is caused byCARD14mutations. In addition, a rare variant ofCARD14might also be implicated in the pathophysiology of other forms of PRP.read more
Citations
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Journal ArticleDOI
Autoinflammatory keratinization diseases
TL;DR: The concept of AIKDs encompasses diseases with mixed pathomechanisms of autoinflammation and autoimmunity, and hyperactivation of the innate immune system resulting from those genetic defects plays an important role in the pathogenesis.
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A Review on Pityriasis Rubra Pilaris
TL;DR: A review of the clinicopathologic features, pathogenesis, associated disorders, and treatment of PRP, with an emphasis and critical appraisal of the existing literature on the latter.
Journal ArticleDOI
CARD14 Gain-of-Function Mutation Alone Is Sufficient to Drive IL-23/IL-17–Mediated Psoriasiform Skin Inflammation In Vivo
Mark Mellett,Barbara Meier,Deepa Mohanan,Rebekka Schairer,Phil F. Cheng,Takashi K. Satoh,Betina Kiefer,Caroline Ospelt,Stephan Nobbe,Margot Thome,Emmanuel Contassot,Lars E. French +11 more
TL;DR: Heterozygous mice harboring a CARD14 gain-of-function mutation spontaneously develop a chronic psoriatic phenotype with characteristic scaling skin lesions, epidermal thickening, keratinocyte hyperproliferation, hyperkeratosis, and immune cell infiltration.
Journal ArticleDOI
Autoinflammatory keratinization diseases: An emerging concept encompassing various inflammatory keratinization disorders of the skin.
TL;DR: A better understanding of the pathophysiology of AIKD is likely to lead to innovative, targeted therapies that benefit patients, as elucidation of novel pathogenic mechanisms of inflammatory keratinization diseases emerges.
Journal ArticleDOI
Pityriasis rubra pilaris: algorithms for diagnosis and treatment.
TL;DR: This review makes use of algorithms developed in psoriasis and atopic eczema and puts together recent insights into the pathogenesis, diagnosis and treatment experience of PRP to develop a structured algorithm for PRP treatment that should be further developed going forward.
References
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Journal ArticleDOI
PSORS2 Is Due to Mutations in CARD14
Craig T. Jordan,Li Cao,Elisha D.O. Roberson,Katherine C. Pierson,Chi Fan Yang,Cailin E. Joyce,Caitriona Ryan,Shenghui Duan,Cynthia Helms,Yin Liu,Yongqing Chen,Alison A. McBride,Wuh-Liang Hwu,Jer-Yuarn Wu,Yuan-Tsong Chen,Alan Menter,Raphaela Goldbach-Mansky,Michelle A. Lowes,Anne M. Bowcock +18 more
TL;DR: It is proposed that, after a triggering event that can include epidermal injury, rare gain-of-function mutations in CARD14 initiate a process that includes inflammatory cell recruitment by keratinocytes, which perpetuates a vicious cycle of epidersmal inflammation and regeneration, a cycle which is the hallmark of psoriasis.
Journal ArticleDOI
Rare and common variants in CARD14, encoding an epidermal regulator of NF-kappaB, in psoriasis
Craig T. Jordan,Li Cao,Elisha D.O. Roberson,Shenghui Duan,Cynthia Helms,Rajan P. Nair,Kristina Callis Duffin,Philip E. Stuart,David E. Goldgar,Genki Hayashi,Emily Olfson,Bing Jian Feng,Clive R. Pullinger,John P. Kane,Carol Wise,Raphaela Goldbach-Mansky,Michelle A. Lowes,Lynette Peddle,Vinod Chandran,Wilson Liao,Proton Rahman,Gerald G. Krueger,Dafna D. Gladman,James T. Elder,Alan Menter,Anne M. Bowcock +25 more
TL;DR: Fifteen additional rare missense variants in CARD14 are described, their distribution in seven psoriasis cohorts, and their effects on NF-kB activation and the transcriptome of keratinocytes, to contribute to the understanding of the genetic basis of Psoriasis and illustrate the challenges faced in identifying pathogenic variants in common disease.
Journal ArticleDOI
Pityriasis rubra pilaris.
TL;DR: Paticnts with pityriasis rubra pilaris can be classified into five types which differ from each other on the basis of clinical features, age of onset and prognosis.
Journal ArticleDOI
Familial pityriasis rubra pilaris is caused by mutations in CARD14
Dana Fuchs-Telem,Dana Fuchs-Telem,Ofer Sarig,Maurice A.M. van Steensel,Ofer Isakov,Shirli Israeli,Shirli Israeli,Janna Nousbeck,Katharina Richard,Katharina Richard,Véronique Winnepenninckx,Véronique Winnepenninckx,Marigje Vernooij,Noam Shomron,Jouni Uitto,Philip Fleckman,Gabriele Richard,Eli Sprecher,Eli Sprecher +18 more
TL;DR: The present data demonstrate that autosomal-dominant PRP is allelic to familial psoriasis, which was recently shown to be caused by mutations in CARD14, a known activator of nuclear factor kappa B signaling, which has been implicated in inflammatory disorders.
Journal ArticleDOI
CARD14 c.526G>C (p.Asp176His) is a significant risk factor for generalized pustular psoriasis with psoriasis vulgaris in the Japanese cohort
TL;DR: This is a PDF file of an unedited peer-reviewed manuscript that has been accepted for publication and will undergo copyediting, typesetting and a proof review before it is published in its final form.
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