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Safaa A. Hussein Abdelazeim M. Elhefny Maryam A. Abdulrahman Nermeen N. Aziz 《The Egyptian Rheumatologist》2021,43(2):153-157
BackgroundEntheseal involvement is a frequent and distinctive feature of psoriatic arthritis (PsA). It is detected clinically but lacks sensitivity and reliability. Musculoskeletal ultrasound (MSUS) is an important tool for accurate detection of enthesitis.Aim of the workTo determine the frequency and distribution of subclinical entheseal abnormalities at lower limbs using MSUS in patients with psoriasis for early detection of PsA, and to evaluate its relation to disease severity.Patients and methods80 patients with psoriasis were studied. Psoriasis Area and Severity Index (PASI) was assessed. High-resolution MSUS assessment of quadriceps, patellar and Achilles tendons, and plantar fascia entheses was performed. Glasgow Ultrasound Enthesitis Scoring System (GUESS) was assessed.ResultsThe median (interquartile range; difference between 75th and 25th quartile) age of the patients was 46(26.3) years and were 42 males. The disease duration was 9(12) years, PASI was 10.9(18.9), and GUESS 6(4). Nail dystrophy was found in 48(60%). Clinical enthesitis was found in 15(18.8%) patients; MSUS revealed lower limb enthesopathy in at least one enthesis in 76(95%) patients, and abnormality in 421 of 800 entheses (52.6%). Distal insertion of the patellar tendon was the most frequently involved (68.8%). GUESS significantly correlated with the age, body mass index (BMI), and PASI.ConclusionPsoriasis is associated with a relevant frequency of asymptomatic entheseal abnormalities. MSUS is a valuable, simple, and noninvasive tool in early detection of enthesopathy in psoriatic patients, especially in the presence of older age, high BMI, and high PASI as potential parameters for detection of psoriatic enthesitis. 相似文献
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April W. Armstrong Michael P. Siegel Jerry Bagel Erin E. Boh Megan Buell Kevin D. Cooper Kristina Callis Duffin Lawrence F. Eichenfield Amit Garg Joel M. Gelfand Alice B. Gottlieb John Y.M. Koo Neil J. Korman Gerald G. Krueger Mark G. Lebwohl Craig L. Leonardi Arthur M. Mandelin M. Alan Menter Abby S. Van Voorhees 《Journal of the American Academy of Dermatology》2017,76(2):290-298
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Juntao Xu Xiaoru Duan Feng Hu Devesh Poorun Xinxin Liu Xin Wang Song Zhang Lu Gan Mengwen He Ke Zhu Zhangyin Ming Hongxiang Chen 《Journal of dermatological science》2018,89(2):127-135
Background
Resolvin D1 (RvD1), a pro-resolution lipid mediator derived from docosahexaenoic acid (DHA), has been described to promote several kinds of inflammatory resolution. However, the effects and anti-inflammatory mechanisms of RvD1 on psoriasis have not been previously reported.Objective
The present study aimed to determine the protective effects and the underlying mechanisms of RvD1 on imiquimod (IMQ)-induced psoriasiform dermatitis.Methods
Mice were topically treated with IMQ to develop psoriasiform dermatitis on their shaved back, pretreated intraperitoneally (i.p.) with or without RvD1 or tert-butoxycarbonyl Met-Leu-Phe peptide (Boc), a lipoxin A4 (ALX) receptor antagonist. The severity was monitored and graded using a modified human scoring system, the Psoriasis Area and Severity Index (PASI), histopathology, and the signature cytokines of psoriasis (IL-23, IL-17, IL-22 and TNF-α). The mRNA and protein levels of inflammatory cytokines were quantified by quantitative real-time PCR (QRT-PCR) and ELISA. The expressions of signaling proteins MAPKs and NF-κB p65 were analyzed using western blotting. Electrophoretic mobility shift assay (EMSA) was used to check NF-κB p65 DNA binding activity.Results
Our study showed that RvD1 alleviated IMQ-induced psoriasiform dermatitis and improved skin pathological changes. RvD1 markedly inhibited IMQ-induced activation of ERK1/2, p38, JNK (c-Jun N-terminal protein kinase, a subfamily of MAPKs), and NF-κB. Furthermore, pretreatment with Boc, would not exacerbate skin inflammation of IMQ-induced mice, but significantly reversed the beneficial effects of RvD1 on IMQ-induced psoriasiform inflammation.Conclusion
RvD1 can obviously improve skin inflammation in IMQ-induced mice psoriasiform dermatitis. The protective mechanisms might be related to its selective reaction with lipoxin A4 receptor/Formyl-peptide receptor 2 (ALX/FPR2), by downregulating relevant cytokines of the IL-23/IL-17 axis expression, the inhibition of MAPKs and NF-κB signaling transduction pathways. Thus, these results show that RvD1 could be a possible candidate for psoriasis therapy. 相似文献6.
目的:检测外周血中CD4~+CD25~+调节性T细胞(简称Treg细胞)与Th17细胞在寻常型银屑病(PV)中的表达。方法:34例寻常型银屑病患者,18例正常人作为对照。采用流式细胞术检测外周血中Treg细胞、FOXP3~+Treg细胞及Th17细胞的表达水平。结果:PV患者外周血中Treg细胞比例和FOXP3~+Treg细胞比例分别为(3.68±1.22)%和(0.53±0.19)%,低于正常对照组的(6.63±1.00)%和(0.76±0.14)%(P0.05)。Th17细胞比例为(2.20±0.78)%,高于正常对照组的(0.65±0.22)%(P0.05)。PV患者外周血中Treg细胞的表达与FOXP3~+Treg细胞的表达呈正相关(r=0.563,P0.05),而Treg细胞的表达与Th17细胞的表达呈负相关(r=-0.522,P0.05);Treg细胞和Th17细胞二者与PASI评分无相关性,与病程亦无相关性。结论:Treg细胞表达的减少及Th17细胞应答的增强,可能是导致PV免疫失衡的重要原因。 相似文献
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目的 建造BALB/c小鼠背部银屑病样模型,探讨中成药银屑平丸治疗银屑病的可能作用机制.方法 选取48只BALB/c小鼠,随机分为空白组、模型对照组、雷公藤组、银屑平丸高、中、低剂量组,8只/组.给予除空白组外其余小鼠背部皮肤外涂咪喹莫特软膏连续8d,1次/d,建立模型小鼠.末次给药后,观察小鼠背部皮肤进行皮损面积和严重程度指数(psoriasis area and serenty index,PASI)评分;检测血清中IL-17、IL-23水平;取背部皮肤组织进行组织病理比较.结果 (1)银屑平丸各组和雷公藤组对银屑病样小鼠背部皮肤PASI评分比较无明显的差异(P>0.05),而较模型对照组和空白组评分均有明显的差异(P<0.05).(2)各组银屑病样小鼠外周血IL-17和IL-23含量明显高于空白组(P>0.05).而银屑平丸各组和雷公藤组均与模型对照组外周血中含量有明显的差异(P<0.05).(3)银屑平丸各组和雷公藤组对银屑病样小鼠背部皮肤组织病理变化较模型对照组和空白组有明显差异(P<0.05).结论 银屑平丸改善银屑病模型小鼠的作用机制可能通过抑制IL-17、IL-23,起到减轻小鼠银屑病样皮损的发生、发展的作用. 相似文献
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Saori Masaki Ryoko Tatsukawa Miki Uryu Masakazu Takahara Masutaka Furue Chika Ohata Takekuni Nakama Ryosuke Hino Motonobu Nakamura Juichiro Nakayama Shinichi Imafuku 《The Journal of dermatology》2017,44(2):143-146
There is a range of psoriasis treatments available, from topical applications to biologic therapy, with corresponding cost variations. The efficacy of each treatment is usually evaluated by objective measures such as the Psoriasis Area and Severity Index (PASI) or subjective measures such as the Dermatology Life Quality Index (DLQI). However, the social and economic impacts of psoriasis, including cost‐effectiveness, have not been assessed in Japan. The EuroQol 5‐Dimension (EQ‐5D) is a generic instrument used worldwide to calculate quality‐adjusted life years, on which calculations of treatment cost‐effectiveness are based. We conducted a pilot study to determine the cost‐effectiveness of psoriasis treatment in Japan. We administered a questionnaire to 133 patients with psoriasis (105 men and 28 women) who visited four university hospitals in Fukuoka Prefecture. The questionnaire covered medical costs, satisfaction and willingness to pay (WTP), and we investigated the relationships between these items. PASI was evaluated by physicians. More participants indicated satisfaction with treatment in the group paying less than ¥5000/month. WTP, PASI and EQ‐5D showed little correlation. However, the DLQI and EQ‐5D showed a moderate correlation (r = 0.472). WTP seemed more dependent on participants' economic backgrounds. We found that it was difficult to reflect the PASI with the EQ‐5D. However, the DLQI may be used to estimate the cost–benefit relationship in patients with psoriasis. This is the first study to evaluate the EQ‐5D in patients with psoriasis in Japan. 相似文献
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心理治疗对寻常性银屑病患者疗效及生活质量的研究 总被引:5,自引:0,他引:5
目的:探讨心理治疗对寻常性银屑病患者疗效及生活质量的影响。方法:纳入了152例生活质量受明显影响的寻常型银屑病患者,随机分为治疗组、对照组,分别于治疗前、治疗后用皮肤病生活质量表(DQOLS)、银屑病皮损面积与严重程度指数(PASI)进行评价。结果:治疗组患者DQOLS和PASI积分均得到明显改善,优于对照组(P<0.01);治疗组DQOLS的改善程度与PASI的改善程度显著相关(P<0.05)。结论:心理治疗有利于皮损症状的改善,从而提高寻常性银屑病患者的生活质量。 相似文献