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Merck
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文件

L3012

Sigma-Aldrich

脂多糖 来源于大肠杆菌 0111:B4

purified by gel-filtration chromatography

别名:

LPS

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About This Item

EC號碼:
297-473-0
MDL號碼:
MFCD00164401
分類程式碼代碼:
12352201
NACRES:
NA.25

生物源

Escherichia coli (O111:B4)

品質等級

300

形狀

lyophilized powder

純化經由

gel-filtration chromatography

雜質

<1% Protein

顏色

white to faint yellow

溶解度

water: soluble

運輸包裝

ambient

儲存溫度

2-8°C

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相关类别

一般說明

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。

應用

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。

準備報告

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。

其他說明

为了全面了解我们针对客户研究提供的各种脂多糖产品，建议您访问我们的碳水化合物分类页面。

相關產品

产品编号
说明
价格

象形圖

Skull and crossbones
GHS06

訊號詞

Danger

危險聲明

H300

危險分類

Acute Tox. 2 Oral

儲存類別代碼

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

分析证书(COA)

输入产品批号来搜索 分析证书(COA) 。批号可以在产品标签上"批“ （Lot或Batch）字后找到。

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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
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
Norihiko Takeda et al.
Genes & development, 24(5), 491-501 (2010-03-03)
Hypoxic response and inflammation both involve the action of the hypoxia-inducible transcription factors HIF-1alpha and HIF-2alpha. Previous studies have revealed that both HIF-alpha proteins are in a number of aspects similarly regulated post-translationally. However, the functional interrelationship of these two
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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