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Impact of blood-brain barrier disruption on newly diagnosed neuromyelitis optica spectrum disorder symptoms and prognosis.

血脑屏障破坏对新诊断视神经脊髓炎谱系障碍症状和预后的影响。

  • 影响因子:1.42
  • DOI:10.21037/apm.2019.12.12
  • 作者列表:"Liang S","Qin Q","Tang Y","Liao W","Yang Y","He J","Li L
  • 发表时间:2020-03-01
Abstract

BACKGROUND:Blood-brain barrier (BBB) disruption and ensuing immune activation are central to the pathogenesis of central nervous system (CNS) inflammatory diseases. However, the influence of BBB permeability on the clinical signs and prognosis of newly diagnosed neuromyelitis optica spectrum disorder (NMOSD) has not been examined. We investigate the relationships between BBB permeability as showed by the albumin quotient (qalb) and clinical features of NMOSD. METHODS:Demographic and clinical data of 46 patients, including peripheral blood (PB) measures (serum albumin concentration and total leukocyte, neutrophil, total lymphocyte, CD4+ T cell, and CD8+ T cell counts, complement C3 and C4 concentrations, AQP4-IgG titer),autoimmune antibody titers (ANA/SSA/SSB/Ro-52), and cerebrospinal fluid (CSF) parameters (total leukocyte count, total protein and albumin concentrations, AQP4-IgG titer), were compared between qalb(BBB permeability) increased and normal groups. Complete measures were not obtained from 9 patients, but all other measures were included in the analysis. RESULTS:According to the calculated qalb, 15 patients with albumin quotient (qalb) > (4 + age/15) × 10-3 were assigned to the qalb increased (high BBB permeability) group (33%) and the remainder to the qalb normal group. Compared to the qalb normal group, the qalb increased group exhibited significantly lower serum albumin (P=0.001) and CD4+ T cell count (P=0.044), CD8+ T cell count (P=0.014), and total T lymphocyte count (P=0.016). The qalb increased group proved higher CSF albumin, total protein, leukocyte count, and IgG titer (all P=0.000). Optic neuritis and optic nerve abnormalities on magnetic resonance images were also more frequent in the qalb increased group (P=0.037 and 0.038, respectively). Patients in the qalb increased group showed significantly poorer treatment response as indicated by the lower post-treatment change in Expanded Disability Status Scale (EDSS) score compared to the qalb normal group. CONCLUSIONS:BBB permeability is strongly associated with the clinical features and treatment response of newly diagnosed NMOSD. The qalb is a potentially valuable indicator of disease severity and an index to guide personalized treatment.

摘要

背景: 血脑屏障 (BBB) 破坏和随后的免疫激活是中枢神经系统 (CNS) 炎症性疾病发病机制的核心。然而,尚未检查BBB通透性对新诊断的视神经脊髓炎谱系障碍 (NMOSD) 的临床体征和预后的影响。我们研究白蛋白商 (qalb) 显示的BBB通透性与NMOSD临床特征之间的关系。 方法: 46 例患者的人口统计学和临床资料,包括外周血 (PB) 测定 (血清白蛋白浓度及总白细胞、中性粒细胞、总淋巴细胞、CD4 + T细胞、和CD8 + T细胞计数,补体C3 和C4 浓度,AQP4-IgG滴度),自身免疫抗体滴度 (ANA/SSA/SSB/Ro-52) 和脑脊液 (CSF) 参数(总白细胞计数,总蛋白和白蛋白浓度,AQP4-IgG滴度),在qalb(BBB通透性) 增加组和正常组之间进行比较。9 例患者未获得完整措施,但所有其他措施均纳入分析。 结果: 根据计算的qalb,将白蛋白商 (qalb) > (4 + age/15) × 10-3 的 15 例患者分为qalb升高 (高BBB通透性) 组 (33%) 及余至qalb正常组。与qalb正常组相比,qalb升高组血清白蛋白 (P = 0.001) 和CD4 + T细胞计数 (P = 0.044) 显著降低,CD8 + T细胞计数 (P = 0.014),和T淋巴细胞总数 (P = 0.016)。Qalb升高组证明CSF白蛋白、总蛋白、白细胞计数和IgG滴度较高 (均P = 0.000)。视神经炎和磁共振图像上的视神经异常在qalb升高组中也更常见 (P分别为 0.037 和 0.038)。与qalb正常组相比,qalb升高组的患者治疗反应显著较差,表现为扩展残疾状态量表 (EDSS) 评分的治疗后变化较低。 结论: BBB通透性与新诊断NMOSD的临床特征和治疗反应密切相关。Qalb是疾病严重程度的潜在有价值的指标,也是指导个性化治疗的指标。

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发表时间:2020-04-02
DOI:10.1080/09273948.2019.1597896
作者列表:["Apivatthakakul A","Kunavisarut P","Rothova A","Pathanapitoon K"]

METHODS::Purpose: To report on ocular Vogt-Koyanagi-Harada (VKH)-like syndrome under vemurafenib treatment for metastatic melanoma.Design: A case report.Method: Description of clinical and imaging manifestations including fundus photography, fluorescein, and indocyanine green angiography.Results: A 46-year-old Thai female was diagnosed with metastatic melanoma of the skin and had been treated with multiple surgical excisions, radiotherapy, and vemurafenib (initial dose 480 mg orally twice daily, subsequently increased to maximum dose of 960 mg twice daily). After 6 months of vemurafenib use, she complained of bilateral redness and photophobia and was diagnosed with bilateral anterior uveitis, which was topically treated. Two weeks later, her visual acuity (VA) sharply deteriorated to 20/80 and counting fingers. Ocular examination at that stage stronly resembled acute VKH disease. She exhibited intraocular inflammation, and her fundus examination revealed bilateral optic disc swelling and serous retinal detachment. Fluorescein angiogram showed disc leakage and multiple pinpoint hyperfluorescence leakage spots and indocyanine green demonstrated multiple hypofluorescent spots. Oral prednisolone 30 mg/day was commenced while vemurafenib medication was ceased. Three weeks later, her vision improved, and serous retinal detachment subsided. However, her cutaneous melanoma recurred.Conclusions: Vemurafenib, a potential adjunct treatment for metastatic melanoma, was complicated by the development of panuveitis, papillitis, and multiple serous detachments. These ocular symptoms were similar to the presentation of acute VKH syndrome.

翻译标题与摘要 下载文献
影响因子:2.19
发表时间:2020-01-01
DOI:10.1111/dmcn.14268
作者列表:["Crow YJ","Shetty J","Livingston JH"]

METHODS::Comprehensive reviews of the clinical characteristics and pathogenesis of Aicardi-Goutières syndrome (AGS), particularly its contextualization within a putative type I interferonopathy framework, already exist. However, recent reports of attempts at treatment suggest that an assessment of the field from a therapeutic perspective is warranted at this time. Here, we briefly summarize the neurological phenotypes associated with mutations in the seven genes so far associated with AGS, rehearse current knowledge of the pathology as it relates to possible treatment approaches, critically appraise the potential utility of therapies, and discuss the challenges in assessing clinical efficacy. WHAT THIS PAPER ADDS: Progress in understanding AGS disease pathogenesis has led to the first attempts at targeted treatment. Further rational therapies are expected to become available in the short- to medium-term.

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翻译标题与摘要 下载文献
影响因子:1.52
发表时间:2020-04-02
DOI:10.1080/09273948.2019.1603312
作者列表:["Takayama K","Obata H","Takeuchi M"]

METHODS::Purpose: To report the efficacy of adalimumab in a case of chronic Vogt-Koyanagi-Harada (VKH) disease refractory to conventional corticosteroids and immunosuppressive therapy and complicated by central serous chorioretinopathy (CSC).Case report: A 66-year-old woman diagnosed with VKH was treated with intravenous corticosteroids followed by oral corticosteroids and cyclosporine. However, systemic corticosteroids could not be tapered because of recurrent ocular inflammation and systemic complications (diabetes mellitus, moon face, bone weakness), while CSC appeared in both eyes. A diagnosis of chronic VKH resistant to medications complicated by corticosteroid-induced CSC was made. Systemic corticosteroids and cyclosporine were tapered and adalimumab initiated. Bilateral ocular inflammation and CSC were gradually reduced and visual acuity improved without any adverse effect. Twelve months after starting adalimumab monotherapy, no signs of active VKH and CSC were present.Conclusions: Adalimumab is one of the effective therapeutic options for refractory VKH disease complicated with corticosteroid-induced adverse effects.

神经系统自身免疫性疾病方向

神经系统自身免疫性疾病是以自身免疫细胞、免疫分子等攻击神经系统为主要致病机制的自身免疫性疾病。在免疫反应中,作用于神经系统自身抗原的致病抗体统称为神经系统自身抗体。

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