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诊断类风湿关节炎有了新标志物
诊断类风湿关节炎有了新标志物
2020 - 05 - 08
最近，《自然—通讯》刊发了一篇针对类风湿关节炎（RA）致病和标志分子的研究。该文章来自北京大学人民医院风湿免疫研究所栗占国课题组，作者发现，RA患者的sSR-A水平显着升高，与该疾病的临床症状和免疫状况指标直接相关。结果表明sSR-A是RA诊断的新型生物标志物，尤其可用于血清阴性及早期RA的诊断，而靶向sSR-A可能是一种新的治疗策略。《中国科学报》了解到，RA是一种常见的自身免疫病，具有高致残性。全球有3000多万患者，该病以破坏性关节炎及自身免疫异常为主要特征。目前，RA的血清诊断主要依据类风湿因子和抗CCP的检测。但是，仍有大量患者在发病初期，甚至患病多年而缺乏生物标志物，给临床诊断和治疗带来困难，导致延误治疗而出现残疾。早期诊断对于改善RA的结局至关重要。但是，目前的诊断工具对早期患者敏感性有限，致使大量的患者因延误诊断，不能得以正确治疗，出现残疾。鉴于此，该研究团队联合浙江大学、南方医科大学和包头医学院的研究者展开了一项大规模的多中心研究，涉及3262名参与者的训练队列和验证队列，最终发现sSR-A是RA的致病分子，可促进炎性T细胞和致炎因子产生。并且，该课题组利用基因敲除的sSR-A-/-模型研究证明，sSR-A可以促进关节炎的发病以及病情的加重，靶向抑制sSR-A可以缓解关节炎的症状。研究者进一步证实，sSR-A蛋白可以促进胶原诱导性关节炎发病，加速病情进展，加重疾病...
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礼来、阿斯利康不哭！阿尔茨海默（AD）就是个大坑！！
礼来、阿斯利康不哭！阿尔茨海默（AD）就是个大坑！！
2018 - 06 - 14
2018年6月13日讯 /生物谷BIOON/ --阿尔茨海默氏症（AD）一直是新药研发的重灾区，该领域研发失败率高达99.6%。过去几年，包括礼来、阿斯利康、强生、辉瑞、罗氏在内的制药巨头投资达数十亿美元之巨的多个单抗药物均在III期临床惨遭失败，为该领域的投资前景蒙上了厚厚的阴云。之后，另一个很有前途的新药类别——BACE抑制剂，成功取代抗体药物站在了AD研发的舞台中央。然而，BACE抑制剂似乎也不大可能打破魔咒，正在追随着单抗药物的步伐。去年情人节当天，BACE抑制剂领域的领头羊——默沙东宣布终止verubecestat治疗轻至中度AD的大型III期研究EPOCH（protocol 017）；今年情人节前一天，默沙东再次宣布终止verubecestat治疗前驱期AD的大型III期研究APECS(protocol 019)。这也意味着，verubecestat治疗AD的III期临床项目已完全终止。而2次公告时间均选在情人节，特别耐人寻味，默沙东似乎在述说着心中的苦楚和不舍，而这一点，一大票巨头们都深有感触：AD，AD，想说爱你，真的不易o(╥﹏╥)o！就在昨天，礼来和阿斯利康哥俩，手牵手沿着BACE国道，哭喊着朝默沙东奔去，原因竟然是——————————他们的BACE抑制剂也O-O-O-O-OVER了！！！根据公告，双方将终止lanabecestat的全球III期项目，包括lan...
6
英国NHS批准了3款治疗甲状腺癌的药物！
英国NHS批准了3款治疗甲状腺癌的药物！
2019 - 04 - 04
英国国家医疗服务系统（NHS）近日批准了三种新的甲状腺癌疗法作为甲状腺癌的常规疗法。由国家健康和护理研究所（NICE）提出的推荐指南建议把cabozantinib（Cometriq）和索拉菲尼sorafenib（Nexavar）转移进癌症药物基金。被批准的第三种药物是乐伐替尼（Lenvatinib/Lenvima），过去这个药物仅仅在出于同情的情况下提供使用。英国癌症研究中心的高级政策顾问Rose Gray对这些决定感到高兴，他认为这对于病人而言是好消息。病人选择有限！Cabozantinib被推荐用于治疗无法进行手术治疗或者已经转移的甲状腺髓样癌。英国每年约有80例这种病人。Gray说临床结果显示Cabozantinib能够延缓癌症进展。这是仅有的治疗甲状腺髓样癌的两种药物之一。Lenvatinib和sorafenib被批准用于治疗手术或者放射性碘治疗无效的分化型甲状腺癌，这是最常见的种类。手术或者放射性碘治疗后，这两种药物是这些病人的唯二选择。每年英国约有200人能由于这两种药物获益。Lenvatinib和sorafenib比通常认为可以接受的效果差一点，但是在病人报道他们生活质量得到改善后，NICE批准了这两种药物。“NICE从一些病人口中听说了这些药物如何改善症状，这表明这些药物在癌症病人身上的价值。”Gray说道。NICE健康技术评估中心执行主任Mirella Marlo...
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EVOS™ Vessel Holder, two 25-cm T-flasks
产品名称： EVOS™ Vessel Holder, two 25-cm T-flasks
型号：
时间： 2019 - 04 - 15
描述EVOS® vessel holders allow a perfect fit of your microscope slide, cell culture flask or dish, or micro-well plate to the stage of the EVOS® imaging systems for increased precision in sample alignment. This particular vessel holder accommodates two 25 cm T-flasks. It is just one of many easy-to-change vessel holders and stage plates available for this instrument platform. With a snug and secure fit, yet readily switched, these accessories make imaging samples in a range of vessel ...
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EVOS™ Vessel Holder, one 100-mm Petri dish
产品名称： EVOS™ Vessel Holder, one 100-mm Petri dish
型号：
时间： 2019 - 04 - 15
描述EVOS® vessel holders allow a perfect fit of your microscope slide, cell culture flask or dish, or micro-well plate to the stage of the EVOS® imaging systems for increased precision in sample alignment. This particular vessel holder accommodates one 100 mm Petri dish. It is just one of many easy-to-change vessel holders and stage plates available for this instrument platform. With a snug and secure fit, yet readily switched, these accessories make imaging samples in a range of vess...
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EVOS™ Vessel Holder, two 60-mm Petri dishes
产品名称： EVOS™ Vessel Holder, two 60-mm Petri dishes
型号：
时间： 2019 - 04 - 15
描述EVOS® vessel holders allow a perfect fit of your microscope slide, cell culture flask or dish, or micro-well plate to the stage of the EVOS® imaging systems for increased precision in sample alignment. This particular vessel holder accommodates two 60 mm Petri dishes. It is just one of many easy-to-change vessel holders and stage plates available for this instrument platform. With a snug and secure fit, yet readily switched, these accessories make imaging samples in a range of ves...
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EVOS™ Vessel Holder, four 35-mm Petri dishes
产品名称： EVOS™ Vessel Holder, four 35-mm Petri dishes
型号：
时间： 2019 - 04 - 12
描述EVOS® vessel holders allow a perfect fit of your microscope slide, cell culture flask or dish, or micro-well plate to the stage of the EVOS® imaging systems for increased precision in sample alignment. This particular vessel holder accommodates four 35 mm Petri dishes. It is just one of many easy-to-change vessel holders and stage plates available for this instrument platform. With a snug and secure fit, yet readily switched, these accessories make imaging samples in a range of ve...
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EVOS™ Vessel Holder, two 25 x 75 mm slides
产品名称： EVOS™ Vessel Holder, two 25 x 75 mm slides
型号：
时间： 2019 - 04 - 12
描述EVOS® vessel holders allow a perfect fit of your microscope slide, cell culture flask or dish, or micro-well plate to the stage of the EVOS® imaging systems for increased precision in sample alignment. This particular vessel holder accommodates two 25 x 75 mm slides. It is just one of many easy-to-change vessel holders and stage plates available for this instrument platform. With a snug and secure fit, yet readily switched, these accessories make imaging samples in a range of vess...
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EVOS™ 4X Objective, fluorite, LWD, phase-contrast
产品名称： EVOS™ 4X Objective, fluorite, LWD, phase-contrast
型号：
时间： 2019 - 04 - 12
描述This fluorite objective is ideal for fluorescence and demanding transmitted-light applications. This is a long working distance (LWD) objective that is optimized for the imaging of slides, cell culture dishes and flasks, and microtiter plates. This is also a phase-contrast objective, making it useful for hard-to-see, translucent speciments. All EVOS® objectives offer outstanding optical performance from visible light to near infrared light. The extensive choice of objectives satisfies nee...
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EVOS™ Light Cube, Cy™5
产品名称： EVOS™ Light Cube, Cy™5
型号：
时间： 2019 - 04 - 12
描述All EVOS® fluorescence imaging systems and the Countess® II FL Automated Cell Counter contain our unique, proprietary LED light cubes. This world-leading light engine outputs remarkable intensity over a short light path that delivers superior fluorophore excitation. Each cube contains an LED, condensing optics, and hard-coated filters. EVOS® light cubes are user-changeable and automatically recognized by the system. The Cy®5 light cube is ideal for use with Alexa Fluor&...
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EVOS™ Light Cube, RFP
产品名称： EVOS™ Light Cube, RFP
型号：
时间： 2019 - 04 - 12
描述All EVOS® fluorescence imaging systems and the Countess® II FL Automated Cell Counter contain our unique, proprietary LED light cubes. This world-leading light engine outputs remarkable intensity over a short light path that delivers superior fluorophore excitation. Each cube contains an LED, condensing optics, and hard-coated filters. EVOS® light cubes are user-changeable and automatically recognized by the system. The RFP light cube is ideal for use with Alexa Fluor® ...
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EVOS™ Light Cube, GFP
产品名称： EVOS™ Light Cube, GFP
型号：
时间： 2019 - 04 - 12
描述All EVOS® fluorescence imaging systems and the Countess® II FL Automated Cell Counter contain our unique, proprietary LED light cubes. This world-leading light engine outputs remarkable intensity over a short light path that delivers superior fluorophore excitation. Each cube contains an LED, condensing optics, and hard-coated filters. EVOS® light cubes are user-changeable and automatically recognized by the system. The GFP light cube is ideal for use with Alexa Fluor® ...
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EVOS™ Light Cube, DAPI
产品名称： EVOS™ Light Cube, DAPI
型号：
时间： 2019 - 04 - 12
描述All EVOS® fluorescence imaging systems and the Countess® II FL Automated Cell Counter contain our unique, proprietary LED light cubes. This world-leading light engine outputs remarkable intensity over a short light path that delivers superior fluorophore excitation. Each cube contains an LED, condensing optics, and hard-coated filters. EVOS® light cubes are user-changeable and automatically recognized by the system. The DAPI light cube is ideal for use with Acridine, Alexa F...
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EVOS™ Power Cord, Type I (Australia)
产品名称： EVOS™ Power Cord, Type I (Australia)
型号：
时间： 2019 - 04 - 12
描述This power cord is for use with EVOS® XL, FL , FL Color, and FL Auto systems in countries with Type I power plugs. The Type I electrical plug is mainly used in Australia and New Zealand, but is also used in China and parts of Asia, South America, and Africa.
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EVOS™ 20X Objective, achromat, LWD, phase-contrast
产品名称： EVOS™ 20X Objective, achromat, LWD, phase-contrast
型号：
时间： 2019 - 04 - 11
描述This achromat objective is ideal for general applications. This is a long working distance (LWD) objective that is optimized for the imaging of slides, cell culture dishes and flasks, and microtiter plates. This is also a phase-contrast objective, making it useful for hard-to-see, translucent speciments. All EVOS® objectives offer outstanding optical performance from visible light to near infrared light. The extensive choice of objectives satisfies needs across the spectrum of magnificati...
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