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Science Advances新突破:快速高效生产人体免疫细胞的新方法
英属哥伦比亚大学的一个研究小组开发了一种新的、快速、高效的方法,可以在实验室中产生抗癌免疫细胞。这一发现可以帮助免疫细胞治疗领域从昂贵的小众转变为易于扩展和广泛适用的东西。研究小组发现,在发育的关键窗口期向干细胞提供两种蛋白质,可以将免疫细胞的生产效率提高80倍。[查看]
http://cxbio.com/Article/scienceadvancesxtpks_1.html
调查显示,阿尔茨海默病研究正在迷失方向
阿尔茨海默病(AD)是一种复杂的神经退行性疾病。多年来,阿尔茨海默病的研究主要专注于少数病理改变,比如大脑中tau蛋白和β-淀粉样蛋白的异常积累。近期的一项综合调查表明,过去30年的研究主要集中于某些生物学通路(特别是免疫和代谢通路),但还有数百条通路与这种疾病有关。[查看]
http://cxbio.com/Article/dcxsaechmbyjzzmsfx_1.html
别再emo了,情绪真的能够改变基因!
一篇题为“DNA N6-methyladenine is dynamically regulated in the mouse brain following environmental stress”的研究发表在Nature Communications,在哺乳动物细胞中发现了一种新的DNA腺嘌呤修饰,N(6)-甲基腺嘌呤(6mA)。[查看]
http://cxbio.com/Article/bzemolqxzdnggbjy_1.html
剑指“癌中之王”!Science Advances:人工智能+多组学手段助力胰腺导管腺癌的早期检测
代谢组学(metabolomics)可以收集、检测和分析对生物活性和病理条件高度敏感的各种小分子代谢物,准确、稳健和低成本的代谢组学检测方法为未来的疾病诊断提供了希望。近年来,越来越多的研究借助人工智能的方法,对组学数据进行分析并建立合适有效的检测或验证模型,应用于疾病诊断、分型及疗效预测。[查看]
http://cxbio.com/Article/jzazzwscienceadvance_1.html
全球首款“吸入式”新冠疫苗!接种就像“喝奶茶”,你想来一杯吗?
近日,由上药康希诺生产的首批新冠疫苗“克威莎”实现量产下线,年产2亿剂。它是由康希诺生物与军事科学院陈薇院士团队合作研发的肌肉注射腺病毒载体重组新冠疫苗(5型腺病毒载体)(以下简称Ad5-nCoV),于今年2月25号在国内获批附条件上市。1剂注射即可实现14天内的快速保护,单针接种意味着可实现人群大规模快速接种,对社会整体防疫策略意义重大。[查看]
http://cxbio.com/Article/qqskxrsxgymjzjxhncnx_1.html
基础科研 | 石墨烯 YYDS!Science Advances:石墨烯生物支架用于抑制器官移植的炎症反应,提高移植细胞的生存率
2021年11月,来自斯坦福的研究者们在Science 子刊上发表题为:《Localized drug delivery graphene bioscaffolds forcotransplantation of islets and mesenchymal stem cells》的文章,报道了关于三维支架用于胰岛细胞移植的最近工作进展。研究者们开发了一种可植入的石墨烯生物支架,这种支架具有良好的生物相容性并且可以携带地塞米松(Dex),使其成为局部消炎药传递平台,避免常规静脉注射地塞米松的全身性的副作用,同时能够精确地调节移植微环境中的炎症反应。[查看]
http://cxbio.com/Article/jckysmxyydssciencead_1.html
攻克阿尔茨海默症的曙光!纳米酶复合材料或可改善阿尔茨海默症
阿尔茨海默病(AD)俗称老年痴呆症,是一种神经退行性疾病,是一种与淀粉样蛋白原纤维(Aβ)沉积和神经纤维缠结(NFTs)密切相关的线粒体功能障碍。治疗AD的药物一直在开发,但是效果都很有限,主要原因是:对认知功能的影响较差或有显著的副作用以及血脑屏障穿透性较弱,难以达到理想的治疗效果。[查看]
http://cxbio.com/Article/gkaechmzdsgnmmfhclhk_1.html
无需肾移植!Nature子刊:科学家通过逆转小鼠多囊肾病揭示肾脏的可塑性
多囊肾,即正常肾组织被无数小囊所代替,外形似一串葡萄。可分为4型:①常染色体隐性多囊肾;②肾发育不良;③常染色体显性多囊肾;④尿道梗阻多囊肾。其中常染色体显性多囊肾又称成人型多囊肾(ADPKD),发病率为1/500~1000。临床特征包括充满液体的囊肿的生长,使肾脏变形和扩大,并引发炎症和纤维化等继发性过程,这导致大多数患者出现肾功能衰竭。[查看]
http://cxbio.com/Article/wxsyznaturezkkxjtgnz_1.html
【Nature】无需针头注射!全球首款新冠DNA 疫苗获批上市
据《Nature》杂志9月3日报道,印度于近日紧急授权批准了全球首款新冠DNA 疫苗“ZyCoV-D”,该疫苗由印度制药公司ydus Cadila研发,无需针头注射即可穿透皮肤,可以免除打针引起的疼痛。据悉,印度药品监管机构已经批准该疫苗用于12岁及以上人群接种,并将于本月开始使用>,计划到明年年初将能生产5000万剂。[查看]
http://cxbio.com/Article/naturewxztzsqqskxgdn_1.html
新发现:中国科学家发现疟疾传播的核心调控因子
2021年8月8日,同济大学和江苏省寄生虫病防治研究所联合研究,在国际期刊 Nucleic Acids Resreach上在线发表了题为“A cascade oftranscriptional repression determines sexual commitment and development inPlasmodium falciparum ”的文章,揭示了疟疾传播的核心调控因子。[查看]
http://cxbio.com/Article/njdbytwnycnycdscxyrh_1.html
致死率提高82%!这些新冠变异毒株会成为下一个Delta吗?
近日,Nature 发表了题为“Remember Beta? New data reveal variant’s deadly powers”的评论文章,引发了人们对 Beta 变种的关注。Beta(B.1.351) 变种最早是在2020年5月被发现于南非,曾在2020年年底在当地引发了第二波新冠疫情并扩散至全球。一些证据表明,Beta 引起的南非第二波疫情期间,COVID-19 的重症病例比第一波时期更为常见。[查看]
http://cxbio.com/Article/dqxgbdbydzdeltaxjqql_1.html
Science子刊重磅:致命性仅次COVID-19!“饿死”肺炎链球菌或能保命
近日,墨尔本大学领衔的科研团队在《Science Advances》发表了一篇题为The structural basis of bacterial manganese import的文章,研究发现了一种通过“饿死”病原体对抗肺炎的新方法![查看]
http://cxbio.com/Article/sciencezkzbzmxjccovi_1.html
不破不立?Science子刊揭示:遭遇致命打击时,癌细胞如何“吃自己”求生
近日,来自丹麦癌症协会研究中心、哥本哈根大学以及南丹麦大学的研究人员在Science Advances发表了一篇的研究报告,指出癌细胞能够通过大型胞饮作用(macropinocytosis),“吃掉”细胞受损区域从而在危急关头存活下来。值得注意的是,研究人员还发现了一种独特的膜重组机制,这为人们抑制癌细胞的扩散、消灭肿瘤奠定了基础。[查看]
http://cxbio.com/Article/bpblsciencezkjszyzmd_1.html
旧药可新用!Cell子刊揭示糖皮质激素药物相关副作用的遗传位点
近日,来自宾夕法尼亚大学佩雷尔曼医学院的Mitchell A. Lazar团队在Cell Metabolism上在线发表了题为“Individual-specific functional epigenomics reveals geneticdeterminants of adverse metabolic effects of glucocorticoids”的文章,揭示糖皮质激素药物相关副作用的遗传位点。[查看]
http://cxbio.com/Article/jykxycellzkjstpzjsyw_1.html
存在黑幕?Biogen阿尔兹海默症新药Aduhelm再遭批判,FDA高官要求启动联邦调查
近日,局势更加迷雾重重,FDA代理局长Janet Woodcock呼吁美国监察长办公室(Office of Inspector General,OIG)对批准Aduhelm治疗阿尔兹海默症展开联邦调查。[查看]
http://cxbio.com/Article/czhmbiogenaezhmzxyad_1.html
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n-Octadecyl 3-(3',5'-Di-t-butyl-4'-hydroxyphenyl)propionate Standard
n-Octadecyl 3-(3',5'-Di-t-butyl-4'-hydroxyphenyl)propionate Standard
Lead Acetate Solution (CH COO) Pb, 10%
Lead Acetate Solution (CH COO) Pb, 10%
Advanced ERK phospho-T202 /Y204 kit - 1 x 96 tests
Advanced ERK phospho-T202 /Y204 kit - 1 x 96 tests
Di(adenosine-5'-)penta-phosphate,trilithium salt
Di(adenosine-5'-)penta-phosphate,trilithium salt
Zwittergent 3-14,zwitterionic detergent, powder, N-Tetradecyl-N,N-dimethyl-3-ammonio-1-propane-sulfonate
Zwittergent 3-14,zwitterionic detergent, powder, N-Tetradecyl-N,N-dimethyl-3-ammonio-1-propane-sulfonate
氧化型辅酶I|烟酰胺腺嘌呤二核苷酸|53-84-9| β-NAD
氧化型辅酶I|烟酰胺腺嘌呤二核苷酸|53-84-9| β-NAD
Glucose dehydrogenase (NAD(P)-dependent)
Glucose dehydrogenase (NAD(P)-dependent)
Glutamate dehydrogenase(NADP dependent)
Glutamate dehydrogenase(NADP dependent)
Glutamate dehydrogenase (NAD dependent)
Glutamate dehydrogenase (NAD dependent)
Glutamate dehydrogenase (NADP dependent)
Glutamate dehydrogenase (NADP dependent)
ADP-dependent Hexokinase
ADP-dependent Hexokinase
ADP-dependent Hexokinase
ADP-dependent Hexokinase
Diaphorase (NADH)
Diaphorase (NADH)
Diaphorase (NADPH)
Diaphorase (NADPH)
NAD Synthetase
NAD Synthetase
Adenosine Deaminase,from calf intestine, suspension
Adenosine Deaminase,from calf intestine, suspension
Glutamate Dehydrogenase (NAD(P)),from E.coli overproducer, lyophilizate
Glutamate Dehydrogenase (NAD(P)),from E.coli overproducer, lyophilizate
Glutamate Dehydrogenase (NAD(P)),from beef liver, lyophilizate
Glutamate Dehydrogenase (NAD(P)),from beef liver, lyophilizate
Glutamate Dehydrogenase (NAD(P)),from beef liver, chemically modified, lyophilizate
Glutamate Dehydrogenase (NAD(P)),from beef liver, chemically modified, lyophilizate
Glutamate Dehydrogenase (NAD(P)),from beef liver, solution
Glutamate Dehydrogenase (NAD(P)),from beef liver, solution
D-乳酸脱氢酶(D-LDH), Grade I
D-乳酸脱氢酶(D-LDH), Grade I
D-乳酸脱氢酶(D-LDH), Grade II
D-乳酸脱氢酶(D-LDH), Grade II
NAD(P)H Dehydrogenase (quinone) (Diaphorase),from pig heart, suspension
NAD(P)H Dehydrogenase (quinone) (Diaphorase),from pig heart, suspension
Liberase MTF C/T, GMP Grade,sterile filtered, lyophilizate
Liberase MTF C/T, GMP Grade,sterile filtered, lyophilizate
Liberase T-Flex, Research Grade,sterile filtered, lyophilizate
Liberase T-Flex, Research Grade,sterile filtered, lyophilizate
Endoproteinase Asp-N, Sequencing Grade,from a mutant of Pseudomonas fragi, lyophilizate
Endoproteinase Asp-N, Sequencing Grade,from a mutant of Pseudomonas fragi, lyophilizate
Endoproteinase Glu-C, Sequencing Grade,from Staphylococcus aureus V8, lyophilizate
Endoproteinase Glu-C, Sequencing Grade,from Staphylococcus aureus V8, lyophilizate
Endoproteinase Lys-C, Sequencing Grade,from Lysobacter enzymogenes, lyophilizate
Endoproteinase Lys-C, Sequencing Grade,from Lysobacter enzymogenes, lyophilizate
Endoproteinase Lys-C, Sequencing Grade,from Lysobacter enzymogenes, solution
Endoproteinase Lys-C, Sequencing Grade,from Lysobacter enzymogenes, solution
Glucose Dehydrogenase (NAD Dependent)
Glucose Dehydrogenase (NAD Dependent)
Glucose Oxidase (GOD), Grade I,from Aspergillus niger overproducer, lyophilizate
Glucose Oxidase (GOD), Grade I,from Aspergillus niger overproducer, lyophilizate
Glucose Oxidase (GOD), Grade II,from Aspergillus niger overproducer, lyophilizate
Glucose Oxidase (GOD), Grade II,from Aspergillus niger overproducer, lyophilizate
Lactate 2-Monooxygenase (Lactate oxidase), Grade I,from Aerococcus viridans, expressed in E. coli, lyophilizate
Lactate 2-Monooxygenase (Lactate oxidase), Grade I,from Aerococcus viridans, expressed in E. coli, lyophilizate
Lactate 2-Monooxygenase (Lactate oxidase), Grade II,from Aerococcus viridans, expressed in E. coli, lyophilizate
Lactate 2-Monooxygenase (Lactate oxidase), Grade II,from Aerococcus viridans, expressed in E. coli, lyophilizate
Peroxidase (POD), Grade II,from horse radish, lyophilizate
Peroxidase (POD), Grade II,from horse radish, lyophilizate
DADK嗪草酮标准品
DADK嗪草酮标准品
1-cis-3-Chloroallyl-3,5,7-triaza-1-azonia-adamantane chloride
1-cis-3-Chloroallyl-3,5,7-triaza-1-azonia-adamantane chloride
Oxadiargyl
Oxadiargyl
USP Solution Lead Acetate TS Conforms to USP 34
USP Solution Lead Acetate TS Conforms to USP 34
USP Solution Lead Acetate TS Conforms to USP 34
USP Solution Lead Acetate TS Conforms to USP 34
European Pharmacopoeia Reagent Lead acetate cotton
European Pharmacopoeia Reagent Lead acetate cotton
European Pharmacopoeia Reagent Lead acetate paper
European Pharmacopoeia Reagent Lead acetate paper
European Pharmacopeoia Lead Acetate Solution
European Pharmacopeoia Lead Acetate Solution
European Pharmacopoeia Reagent Molybdovanadic reagent
European Pharmacopoeia Reagent Molybdovanadic reagent
European Pharmacopoeia Reagent 0.1M Lead Nitrate
European Pharmacopoeia Reagent 0.1M Lead Nitrate
European Pharmacopoeia Reagent Concentrated to make Cadmium Standard sol. (0.1% Cd)
European Pharmacopoeia Reagent Concentrated to make Cadmium Standard sol. (0.1% Cd)
European Pharmacopoeia Lead Solution (0.1% Pb)
European Pharmacopoeia Lead Solution (0.1% Pb)
European Pharmacopoeia Reagent Concentrate to make Lead solution (100ppm Pb)
European Pharmacopoeia Reagent Concentrate to make Lead solution (100ppm Pb)
EDDP perchlorate (Methadone metabolite),100ug/mL (as pyrolinium) 于甲醇
EDDP perchlorate (Methadone metabolite),100ug/mL (as pyrolinium) 于甲醇
EDDP perchlorate (Methadone metabolite),1.0mg/mL (as pyrrolinium) 于甲醇
EDDP perchlorate (Methadone metabolite),1.0mg/mL (as pyrrolinium) 于甲醇
Loratadine impurity F
Loratadine impurity F
氧化铝 (Reduction Grade) 标准物质
氧化铝 (Reduction Grade) 标准物质
MAB<HCG>M-INN22-IgG Human chorionic gonadotropin b-chain
MABM-INN22-IgG Human chorionic gonadotropin b-chain