biological source
Escherichia coli (O111:B4)
Quality Level
form
lyophilized powder
purified by
phenol extraction
technique(s)
ELISA: suitable, cell based assay: suitable, ligand binding assay: suitable
impurities
≤3.00% protein (Lowry-TCA)
color
off-white to faint yellow
solubility
water: soluble
application(s)
cell analysis
clinical research
life science and biopharma
shipped in
ambient
storage temp.
2-8°C
General description
脂多糖是一种糖脂,由与脂肪酸连接的碳水化合物组成。脂多糖(LPS)是革兰氏阴性菌细胞壁的特征性成分。典型的LPS分子具有脂质A(一种基于葡糖胺的磷脂)、一个相对短的核心寡糖以及一个远端的多糖(O-抗原)。LPS有助于外膜的完整性,并可保护细胞免受胆汁盐和亲脂性抗生素的作用。它们通过TLR2和TLR4(toll样受体)对宿主细胞进行刺激。这种刺激可导致各种促炎细胞因子的生成,例如TNFα(肿瘤坏死因子)、IL-1(白细胞介素1)和IL-6。
该产品是从大肠杆菌血清型O111:B4中经酚抽提的。来源菌株来自私人保藏。该LPS血清型已用于刺激B细胞并在人肝细胞中诱导NOS( 一氧化氮合酶)。
该产品是从大肠杆菌血清型O111:B4中经酚抽提的。来源菌株来自私人保藏。该LPS血清型已用于刺激B细胞并在人肝细胞中诱导NOS( 一氧化氮合酶)。
Application
来源于大肠杆菌 O111:B4的脂多糖(LPS)已用于:
- 刺激巨噬细胞
- 小鼠 LPS 预处理
- 诱导小鼠急性肾损伤
- 诱导小鼠急性呼吸窘迫综合征 (ARDS) ,以研究骨髓间充质干细胞 (BMSC) 来源外泌体的抗炎作用
- 诱导重症急性呼吸综合征冠状病毒 2 (SARS-CoV-2) 感染小鼠的高炎症状态
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。
Biochem/physiol Actions
脂多糖 (LPS) 是外膜的组成部分,使外膜可透过疏水性分子,如使革兰氏阴性菌具有天然耐药性的抗菌物质。LPS 参与细菌-宿主相互作用,调节宿主系统反应。
Preparation Note
该产物可溶于水 (5 mg/ml)或细胞培养基(1 mg/ml),产生模糊的淡黄色溶液。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。
Still not finding the right product?
Explore all of our products under 脂多糖 来源于大肠杆菌 0111:B4
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 2 Oral
存储类别
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
商品
Explore the structure, function, and diverse applications of Lipopolysaccharides. Discover their role in bacteria, serological specificity, and research potential.
G Forn-Cuní et al.
Scientific reports, 7, 41905-41905 (2017-02-06)
Zebrafish (Danio rerio), largely used as a model for studying developmental processes, has also emerged as a valuable system for modelling human inflammatory diseases. However, in a context where even mice have been questioned as a valid model for these
Endotoxin preconditioning protects against the cytotoxic effects of TNFalpha after stroke: a novel role for TNFalpha in LPS-ischemic tolerance.
Rosenzweig HL et al.
Journal of Cerebral Blood Flow and Metabolism, 27, 1663-1663 (2007)
Corticotropin releasing factor receptor 1 (CRF1) and CRF2 agonists exert an anti-inflammatory effect during the early phase of inflammation suppressing LPS-induced TNF-alpha release from macrophages via induction of COX-2 and PGE2.
Tsatsanis C et al.
Journal of Cellular Physiology, 210, 774-774 (2007)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| L2630-10MG | 04061838446244 |
| L2630-100MG | 04061838446237 |
| L2630-25MG | 04061838446251 |
