Abstract:
BACKGROUND:IL36RN mutation has been identified as one pathogenesis of generalized pustular psoriasis, but the existence of GPP patients without mutation makes this controversial. OBJECTIVE:Our study aimed at assessing the differences in clinical profiles of children with GPP, with and without IL36RN mutation. METHODS:An ambispective case series study involved review of the records of 66 childhood patients with pediatric-onset GPP and without previous psoriasis vulgaris. RESULTS:c.115+6T>C was the most common mutation in this Chinese population with GPP alone. The age at onset was nearly halved in the homozygotes/compound heterozygotes than in IL36RN-negative patients. Besides a more severe inflammatory progression, three minor signs could prioritize patients with GPP for IL36RN screening (confluent lakes of pus (P=0.002), perianal erosion (P=0.014), and flexural erosion (P=0.007)). More patients with the pathogenic mutation converted to ACH than those without mutation (χ2=4.773, P=0.029). Children with GPP with or without IL36RN mutation responded well to oral low-dose acitretin, but IL36RN-positive cases suffered a much higher half-year recurrence rate after withdrawl of acitretin treatment(χ2=10.370, P=0.001). CONCLUSIONS:Specific clinical features can remind dermatologists of the necessity of sequencing diagnosis. The mild pustular phenotype of those without mutation may imply the possible role of the epigenetic changes of IL36RN, or other IL36-blockers in the pathogenesis. Pediatric patients with GPP alone, both with and without IL36RN mutation responded well to low-dose acitretin.
journal_name
J Dermatol Scijournal_title
Journal of dermatological scienceauthors
Wang Y,Cheng R,Lu Z,Guo Y,Yan M,Liang J,Huang P,Li M,Yao Zdoi
10.1016/j.jdermsci.2016.11.008subject
Has Abstractpub_date
2017-03-01 00:00:00pages
235-240issue
3eissn
0923-1811issn
1873-569Xpii
S0923-1811(16)30958-6journal_volume
85pub_type
杂志文章abstract:UNLABELLED:The percutaneous absorption studies were performed using a flow-through diffusion cell system with skin specimens from 24 healthy women to assess the penetration of glycolic acid (GA). Percentages of GA, based on 14C-labelled activity, found in the skin after application of 4% GA at pH 2.0 or pH 3.8, after 2...
journal_title:Journal of dermatological science
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abstract:BACKGROUND:Glycolic acid (GA) is the most commonly used alpha-hydroxy acid (AHA) for dermatologic applications, and is considered as a versatile superficial peeling agent for facial rejuvenation. Its therapeutic effect includes acceleration of epidermal turnover without apparent inflammation, and its action is pH-depen...
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journal_title:Journal of dermatological science
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abstract::Etiology of connective tissue disease is unknown. The association of infectious agents has been suspected serologically, ultrastructurally and recently by means of molecular biological techniques. We extracted RNA from lesions of 25 discoid lupus erythematosus, 9 systemic LE, and 3 systemic sclerosis biopsies, and rev...
journal_title:Journal of dermatological science
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abstract:BACKGROUND:The molecular pathogenesis underlying recurrent exacerbations of atopic dermatitis (AD) is unclear. Some peripheral CCR4(+) and CCR7(+) helper memory T cells express the specific homing receptor, sialyl 6-sulfo Lewis X (G152 glycan). This glycan loses receptor activity via cyclization of its sialic acid moie...
journal_title:Journal of dermatological science
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abstract:BACKGROUND:Telomere shortening has been implicated in cellular senescence, which may cause certain aging phenotypes. OBJECTIVE:To reveal whether telomere shortening is associated with chronological aging and/or photoaging of the skin, we measured telomere length in the epidermis and in the dermis from sun-protected an...
journal_title:Journal of dermatological science
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journal_title:Journal of dermatological science
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journal_title:Journal of dermatological science
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journal_title:Journal of dermatological science
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abstract::The effect of cyclosporin A (CsA) on suppressor T cells (Ts) was evaluated by in vitro incubation with afferent-phase Ts (Ts-aff) and efferent-phase Ts (Ts-eff). 2,4-Dinitro-1-fluorobenzene (DNFB) and hen egg-white lysozyme (HEL) were used as antigens. Both Ts-aff and Ts-eff were resistant to high- and low-dose CsA tr...
journal_title:Journal of dermatological science
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abstract::To clarify the behavioral and pathological features of spontaneous scratching of NC mice with mite-induced chronic dermatitis, we investigated the spontaneous and pruritogen-evoked scratching of NC mice. Although the frequency of scratching of NC mouse did not increase under specific pathogen-free environment, it grad...
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journal_title:Journal of dermatological science
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更新日期:2018-07-01 00:00:00
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journal_title:Journal of dermatological science
pub_type: 杂志文章
doi:10.1016/s0923-1811(97)00035-2
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journal_title:Journal of dermatological science
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更新日期:2015-12-01 00:00:00
abstract:BACKGROUND:Skin lesions commonly affect AIDS patients. The pathogenesis of certain dermatologic disorders primarily associated to HIV-1 is unclear, and better forms of therapy for these conditions need to be discovered. Transgenic animal models represent a novel approach for the study of these disorders and for the que...
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doi:10.1016/j.jdermsci.2008.08.015
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journal_title:Journal of dermatological science
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journal_title:Journal of dermatological science
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journal_title:Journal of dermatological science
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journal_title:Journal of dermatological science
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doi:10.1016/0923-1811(94)90040-x
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journal_title:Journal of dermatological science
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更新日期:2011-03-01 00:00:00
abstract::Genetically engineered mouse models are invaluable to investigators in nearly all areas of biomedical research. The use of genetically engineered mice has allowed researchers to explore fundamental functions of genes in a mammal that shares substantial similarities with human physiology and pathology. Genetically engi...
journal_title:Journal of dermatological science
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abstract::Over the last decade, animal models of atopic dermatitis (AD) have received increasing attention. They include NC/Nga mice, a hapten-induced mouse model, and transgenic and knockout mouse models. Although the pathogenesis of skin inflammation elicited in these models and that in AD are not quite the same, it is pertin...
journal_title:Journal of dermatological science
pub_type: 杂志文章,评审
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journal_title:Journal of dermatological science
pub_type: 杂志文章
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更新日期:1990-09-01 00:00:00
abstract:BACKGROUND:Skin derived precursors (SKP) comprise a subset of specialized dermal cells that can be distinguished from fibroblast by their capacity for spheroidal growth. Recent investigations have shown that hair follicles constitute a niche for this cell type, but their localization and their definite function in non-...
journal_title:Journal of dermatological science
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更新日期:2013-02-01 00:00:00