推荐产品
生物来源
Escherichia coli (O111:B4)
质量水平
形式
lyophilized powder
纯化方式
gel-filtration chromatography
杂质
<1% Protein
颜色
white to faint yellow
溶解性
water: soluble
运输
ambient
储存温度
2-8°C
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一般描述
该产品是从E. coli血清型 O111:B4中提取，胶过滤纯化。来源菌株由私人提供。该LPS血清型已用于刺激B细胞并诱导人肝细胞的NOS。
应用
脂多糖（LPS）是革兰氏阴性菌细胞壁的特征组分。LPS及其脂质A部分可通过能够识别常见的病原体相关分子模式（PAMP）的Toll样受体蛋白家族成员Toll样受体4（TLR4）刺激先天性免疫系统细胞。
生化/生理作用
脂多糖（LPS）位于膜的外层，并且暴露在无包膜菌株的细胞表面。它们有助于维持外层膜的完整性，并保护细胞免受胆汁盐和亲脂性抗生素的破坏。
制备说明
本品溶于水(5 mg/ml)或细胞培养基（1 mg/ml），得到浑浊的淡黄色溶液。以中更为浓缩但仍然模糊的溶液（20 mg/ml）可形成于涡旋并升温至70-80oC后。脂多糖是在每种溶剂中都形成胶束的分子。在水和磷酸盐缓冲液中都能观察到模糊的溶液。有机溶剂也不会产生更为清澈的溶液。甲醇可产生具有漂浮物的混浊悬浮液，而水则能产生均匀模糊的溶液。
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产品编号
说明
价格
警示用语：
Danger
危险声明
危险分类
Acute Tox. 2 Oral
储存分类代码
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
Rong Huang et al.
Bone research, 5, 17019-17019 (2017-12-22)
The activation of M1 macrophages can be achieved by stimulating them with lipopolysaccharide (LPS) and interferon-γ (IFN-γ). However, M1 can be found under physiological conditions without any pathological stimuli. This study aimed to understand the involvement of RANKL-induced M1 macrophages
Matthew G Frank et al.
Brain, behavior, and immunity, 73, 352-363 (2018-05-29)
Exposure to stressors induces anxiety- and depressive-like behaviors, which are mediated, in part, by neuroinflammatory processes. Recent findings demonstrate that treatment with the immunoregulatory and anti-inflammatory bacterium, Mycobacterium vaccae (M. vaccae), attenuates stress-induced exaggeration of peripheral inflammation and stress-induced anxiety-like
Sheng Song et al.
Molecular neurobiology, 56(4), 2653-2669 (2018-07-28)
Environmental toxicant exposure has been strongly implicated in the pathogenesis of Parkinson's disease (PD). Clinical manifestations of non-motor and motor symptoms in PD stem from decades of progressive neurodegeneration selectively afflicting discrete neuronal populations along a caudo-rostral axis. However, recapitulating
Zhongjie Li et al.
PloS one, 9(5), e97539-e97539 (2014-05-16)
Antimicrobial peptides have attracted much interest as a novel class of antibiotics against a variety of microbes including antibiotics resistant strains. In this study, a new cationic antimicrobial peptide Hp1404 was identified from the scorpion Heterometrus petersii, which is an
Susanne A Wolf et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 23(9), 3121-3128 (2009-05-13)
To understand the link between peripheral immune activation and neuronal precursor biology, we investigated the effect of T-cell activation on adult hippocampal neurogenesis in female C57Bl/6 mice. A peripheral adaptive immune response triggered by adjuvant-induced rheumatoid arthritis (2 microg/microl methylated
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Explore the structure, function, and diverse applications of Lipopolysaccharides. Discover their role in bacteria, serological specificity, and research potential.
相关内容
Lipopolysaccharide (LPS) is a major component of Gram-negative bacteria, important for microbiological research.
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