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全因死亡率增加62%！这项关于含糖汽水与乳腺癌患者的研究告诉你，是时候对含糖饮料说不了！
全因死亡率增加62%！这项关于含糖汽水与乳腺癌患者的研究告诉你，是时候对含糖饮料说不了！
2022 - 03 - 17
来源：生物谷 2021-03-14 00:052021年3月12日讯/生物谷BIOON/--汽水是一种备受欢迎的饮料，在全世界被广泛消费。食品制造商为了丰富汽水的口味，开发了各种汽水饮品。其中不乏含糖饮料。我们知道，食品中的添加糖会给健康带来负面影响，比如增加心血管疾病、肥胖和糖尿病风险等。那么，饮用含糖汽水对乳腺癌患者的影响如何呢？近日，来自美国布法罗大学的一项新研究表明，乳腺癌患者经常饮用含糖汽水会增加全死亡的风险，尤其是因乳腺癌死亡的风险。与从不或很少喝含糖汽水的女性相比，每周喝五次或以上含糖汽水的女性其全因死亡率要高出62%，而死于乳腺癌的可能性要高出85%。相关研究结果于3月2日发表在美国癌症研究协会的Cancer Epidemiology Biomarkers & Prevention期刊上，标题为Sugar-Sweetened Soda Consumption and Total and Breast Cancer Mortality: The Western New York Exposures and Breast Cancer (WEB) Study。该研究的第一作者、布法罗大学公共卫生和健康职业学院流行病学和环境卫生系的博士生Nadia Koyratty说，关于汽水和乳腺癌的研究是非常新颖的话题。因为乳腺癌非常普遍，关于生活方式选择的建议对乳腺癌幸存者...
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肠道微生态产业发展现状分析
肠道微生态产业发展现状分析
2019 - 09 - 05
2016年《消失的微生物》一书问世，肠道微生态研究走入大众视野，目前全球范围内针对微生物与肥胖、哮喘、过敏、糖尿病、肿瘤、精神类疾病的研究正逐步开展。一、肠道微生物概况人体是由自身细胞及共生的大量微生物细胞所共同组成的复杂共生生命体。目前研究认为人体肠道内聚集的微生物数目可达1012~1014个，是人体自身细胞数目的10倍，微生物包含的基因数目超过987万个，人类自身基因数只有2万个左右，是人体自身基因数目的几百倍，这些后天获得的共生菌群及其所携带的遗传及分子信息即可称为微生物组。（一）人体肠道微生物是如何建立的？有研究表明，人体在出生成长过程中，主要在两个重要的环节、以两种不同的方式实现对肠道菌群的塑造。第一个环节是在分娩过程，婴儿会从母亲产道获得健康的肠道菌群，剖腹产和孕期抗生素则会改变正常婴儿菌群的建立。另一个环节则是出生后的哺乳及断奶后的膳食干预。在女性乳腺中存在着乳酸菌等系列微生物，这些微生物在哺乳过程中进入并定植于婴儿肠道。随着哺乳期的结束，日趋丰富的膳食外源营养物质则长期调节着人体肠道微生物中的的变化。（二）肠道微生物对人体健康有何影响？肠道菌群与人体互利共生，依靠人体没有消化的食物残渣和肠道分泌的黏液和脱落的死细胞作为营养来维持很高的种群水平。活跃生长的肠道菌群会产生大量的活性物质，同时包括短链脂肪酸、维生素和抗氧化等有益健康的产物，以及神经毒素、致癌物质和免疫毒素...
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《自然》：这个蛋白多了促进肿瘤转移 少了会让肿瘤疯长
《自然》：这个蛋白多了促进肿瘤转移 少了会让肿瘤疯长
2019 - 08 - 30
最近，《自然》杂志报道了不少关于癌症的研究。上周，学术经纬团队分享了一则癌症研究的重要突破——通过荧光标记，科学家们能够看清癌细胞如何“腐蚀”周边的健康细胞，发生转移。今天，我们又读到了一篇关于癌症转移的最新论文，它深刻揭示了癌症转移的复杂性，并提醒我们，在攻克癌症的道路上，我们还有很长的路要走……先来聊聊癌症。我们知道，癌症的发展就好像是一个熊孩子长大一样，会分成不同的阶段。在早期，癌细胞会疯狂生长，侵入和传播（invasion and dissemination）到组织内，在身体里形成肿瘤。到了晚期，癌细胞则会发生转移（metastasis），跑到身体的其他器官里落地生根，形成新的病灶。现在的医学知识告诉我们，一旦癌症发生了转移，患者的生命就岌岌可危。可是，癌细胞在一个地方长得好好的，它为啥会发生转移呢？过去的很多科学家相信，这与一种叫做E-cadherin（E-钙粘蛋白）的蛋白质有关。从功能上看，它负责把不同的细胞“粘”在一起。如果癌细胞能够减少这种钙粘蛋白的表达，就会变得更有“活动性”，也更容易发生转移。不过，科学家们也观察到了一些例外——在一种叫做“乳腺导管癌”的癌症中，发生转移的癌细胞，里头的E-钙粘蛋白含量可不少。这是为啥呢？有科学家解释说，这是因为癌细胞慢慢地又把自己“粘”回到了一起。这听起来是个合理的解释，但没有让所有人感到信服。为了寻找其他原因，来自美国知名的约...
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EVOS™ 50X Oil Objective, achromat, coverslip-corrected
产品名称： EVOS™ 50X Oil Objective, achromat, coverslip-corrected
型号：
时间： 2019 - 04 - 15
描述This achromat objective is ideal for general applications. This is a coverslip-corrected objective that is optimized for imaging through #1.5 coverslips. 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 magnifications and optical specifications.Additional characteristics of this EVOS® objective:• Magnification: 50X• Numerical Aperture: 0.95• Working Distance:...
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EVOS™ M7000 Imaging System
产品名称： EVOS™ M7000 Imaging System
型号：
时间： 2019 - 04 - 15
描述The EVOS M7000 Imaging System is a high-performance, fully automated, inverted, multi-channel fluorescence and transmitted light imaging system. It was developed to meet today’s expectations for image quality, user interface interactions, data generation speed and flexibility, and end-user value. The powerful and time-saving acquisition tools with enhanced autofocus algorithms and automated routines for microwell plate assays, time-lapse live cell imaging, area scanning in time lapse and Z-sta...
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EVOS™ FL Imaging System
产品名称： EVOS™ FL Imaging System
型号：
时间： 2019 - 04 - 15
描述The EVOS® FL Imaging System is a fully integrated, digital, inverted imaging system for four-color fluorescence and transmitted-light applications. It is powerful, yet easy-to-use and delivers high-definition images with exceptional convenience. The unique light cubes, sensitive camera, and precision-engineered optical system make the EVOS® FL system ideal for both demanding and routine fluorescence imaging applications.The EVOS® FL Imaging System offers you these important ad...
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EVOS™ Onstage Master Plate
产品名称： EVOS™ Onstage Master Plate
型号：
时间： 2019 - 04 - 15
描述The EVOS® Onstage Master Plate is part of the EVOS® Onstage Incubator and holds the EVOS® Onstage Vessel Holder. The EVOS® Onstage Incubator is an environmental chamber designed specifically for use with the EVOS® FL Auto Imaging System. This master plate plus vessel holder design, with vessel holders available that accommodate various types of cell culture vessels, provides flexibility in your approach to extended time-lapse imaging experiments under precisely co...
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EVOS™ Onstage Vessel Holder, two 25-mL flasks
产品名称： EVOS™ Onstage Vessel Holder, two 25-mL flasks
型号：
时间： 2019 - 04 - 15
描述EVOS® Onstage vessel holders maximize your choice of cell culture vessels when conducting time-lapse imaging experiments using the EVOS® FL Auto Imaging System equipped with an EVOS® Onstage Incubator. EVOS® Onstage vessel holders allow a perfect fit of your micro-well plates or cell culture flasks/dishes to the master plate of the EVOS® Onstage Incubator for increased precision in sample alignment. This particular vessel holder accommodates two 25-mL T-flasks. With ...
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EVOS™ Onstage Vessel Holder, multi-well plates
产品名称： EVOS™ Onstage Vessel Holder, multi-well plates
型号：
时间： 2019 - 04 - 15
描述EVOS® Onstage vessel holders maximize your choice of cell culture vessels when conducting time-lapse imaging experiments using the EVOS® FL Auto Imaging System equipped with an EVOS® Onstage Incubator. EVOS® Onstage vessel holders allow a perfect fit of your micro-well plates or cell culture flasks/dishes to the master plate of the EVOS® Onstage Incubator for increased precision in sample alignment. This particular vessel holder accommodates multi-well plates (dimensi...
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EVOS™ Vessel Holder for Automated Stage, two 25 x 75 mm slides
产品名称： EVOS™ Vessel Holder for Automated Stage, two 25 x 75 mm slides
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 securely holds two 25 x 75 mm standard or chamber microscope slides and is specific for the automated stage of the EVOS® FL Auto Imaging System. It is just one of many easy-to-change vessel holders and stage plates available for this instrument plat...
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EVOS™Vessel Holder, Greiner/BD T-25 flask
产品名称： EVOS™Vessel Holder, Greiner/BD T-25 flask
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 Greiner/BD T-25 flask. 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 ...
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EVOS™ Vessel Holder, universal
产品名称： EVOS™ Vessel Holder, universal
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 has a 25.4 mm opening and accommodates most vessel types. 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 samp...
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EVOS™ Vessel Holder, Greiner T-75 flask
产品名称： EVOS™ Vessel Holder, Greiner T-75 flask
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 Greiner T-75 flask. 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, Hemocytometer
产品名称： EVOS™ Vessel Holder, Hemocytometer
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 a hemocytometer. 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 hol...
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EVOS™ Vessel Holder, Nunc™ T-75 flask
产品名称： EVOS™ Vessel Holder, Nunc™ T-75 flask
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 Nunc® T-75 flask. 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 ...
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