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Vitamin D3 supplementation and neurofilament light chain in multiple sclerosis.

补充维生素D3 与多发性硬化症中的神经丝轻链。

  • 影响因子:2.61
  • DOI:10.1111/ane.13185
  • 作者列表:"Smolders J","Mimpen M","Oechtering J","Damoiseaux J","van den Ouweland J","Hupperts R","Kuhle J
  • 发表时间:2020-01-01
Abstract

OBJECTIVES:Low circulating vitamin D levels are associated with an increased risk of active MRI lesions and relapses in several cohorts with relapsing remitting multiple sclerosis (RRMS). Randomized controlled supplementation trials are, however, negative on their primary endpoints, while secondary MRI endpoints suggest anti-inflammatory effects. Circulating levels of neurofilament light chain (NfL) are a biomarker of disease activity in RRMS. We explored whether 48-week high-dose vitamin D3 supplements were associated with lower circulating NfL levels. MATERIALS & METHODS:Of N = 40 Dutch interferon beta-treated participants with RRMS of the SOLAR trial, plasma samples at baseline and 48-week follow-up were available. Of these participants, N = 24 were supplemented with 14 000 IU/d vitamin D3 and N = 16 with placebo. Twenty-five hydroxyvitamin D3 (25(OH)D3 ) levels were measured with LC-MS/MS, and NfL levels were measured in duplicate with Simoa. RESULTS:Serum 25(OH)D3 levels at 48 weeks were increased in the vitamin D3 when compared to placebo group (median level 281 [IQR 205-330] vs 72 [39-88] nmol/L; P < .01). NfL levels at 48 weeks did not differ between the treatment groups (median level 25.4 [IQR 19.6-32.2] vs 25.3 [17.9-30.1] pg/mL; P = .74). Higher week 48 NfL level showed a trend toward association with a higher risk of combined unique active lesions on the week 48 MRI scan (OR 2.39 [95% CI 0.93-6.12] for each 10 pg/mL increase; P = .07). CONCLUSIONS:Supplementation of high-dose vitamin D3 for 48 weeks was not associated with lower NfL levels. This study does not support an effect of vitamin D3 on this biomarker of neuro-axonal injury.

摘要

目的: 低循环维生素d水平与复发缓解型多发性硬化 (RRMS) 几个队列中活动性MRI病变和复发的风险增加相关。然而,随机对照补充试验的主要终点为阴性,而次要MRI终点提示抗炎作用。神经丝轻链 (NfL) 的循环水平是RRMS中疾病活动的生物标志物。我们探讨了 48 周高剂量维生素D3 补充剂是否与较低的循环NfL水平相关。 材料和方法: N = 40 例荷兰干扰素 β 治疗的参与者接受了SOLAR试验的RRMS,获得了基线和 48 周随访时的血浆样本。在这些参与者中,N = 24 补充了 14 000 IU/d维生素D3,N = 16 补充了安慰剂。用LC-MS/MS测定 25 种羟基维生素D3 (25(OH)D3) 水平,用Simoa一式两份测定NfL水平。 结果: 血清 25(OH) 与安慰剂组相比,维生素D3 48 周时的D3 水平升高 (中位水平 281 [IQR 205-330] vs 72 [39-88] nmol/L; P <.01)。48 周时NfL水平在治疗组之间没有差异 (中位水平 25.4 [IQR 19.6-32.2] vs 25.3 [17.9-30.1] pg/mL; P = .74)。较高的 48 周NfL水平显示出与 48 周MRI扫描中合并独特活动病变的较高风险相关的趋势 (OR 2.39 [95% CI 0.93-6.12] 每 10 pg/mL增加; P = .07)。 结论: 48 周高剂量维生素D3 的补充与较低的NfL水平无关。本研究不支持维生素D3 对神经轴索损伤的生物标志物的影响。

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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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