产品名称
脂多糖 来源于绿脓假单胞菌 10, purified by phenol extraction
biological source
Pseudomonas aeruginosa (10)
form
lyophilized powder
purified by
phenol extraction
impurities
<3% Protein (Lowry)
color
white to faint yellow
solubility
water: 4.90-5.10 mg/mL, faintly hazy to hazy, colorless to faintly yellow
shipped in
ambient
storage temp.
2-8°C
Quality Level
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Application
脂多糖 (LPS) 是革兰氏阴性菌细胞壁的特征性成分。LPS 及其脂质 A 部分通过 Toll 样受体 4 (TLR4) 刺激先天免疫系统的细胞，TLR4 是 Toll 样受体蛋白家族的成员之一，可识别常见的病原体相关分子模式 (PAMP)。
Biochem/physiol Actions
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。
General description
本品是从铜绿假单胞菌（Pseudomonas aeruginosa ）血清型10.22中提取得到的苯酚。来源菌株为ATCC 27316。
Preparation Note
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。以盐水为溶剂时，经过涡旋并加热至70-80 oC后，得到浓度更高但仍然浑浊的溶液（20 mg/ml）。脂多糖分子可在各种溶剂中形成胶束。在水和磷酸盐缓冲盐水中，可观察到混浊的溶液。使用有机溶剂不会得到更澄清的溶液。以甲醇为溶剂将得到含漂浮物的混浊悬浮液，而以水为溶剂将得到均匀的混浊溶液。
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Lesley Berghuis et al.
Veterinary research, 45, 105-105 (2014-10-12)
Bovine respiratory disease is a complex of bacterial and viral infections of economic and welfare importance to the beef industry. Although tracheal antimicrobial peptide (TAP) has microbicidal activity against bacterial pathogens causing bovine respiratory disease, risk factors for bovine respiratory
Kettani-Halabi Mohamed et al.
Plant signaling & behavior, 10(3), e1000160-e1000160 (2015-03-12)
Lipopolysaccharides (LPS) are a component of the outer cell surface of almost all Gram-negative bacteria and play an essential role for bacterial growth and survival. Lipopolysaccharides represent typical microbe-associated molecular pattern (MAMP) molecules and have been reported to induce defense-related
Keiko Yamauchi et al.
International journal of biological sciences, 5(7), 667-678 (2009-11-07)
Azithromycin (AZM), a 15-member macrolide antibiotic, possesses anti-inflammatory activity. Macrophages are important in innate and acquired immunity, and produce pro-inflammatory cytokines such as interleukin (IL)-12, which are composed of subunit p40 and p35. The key function of IL-12 is the
Khaled Taha-Abdelaziz et al.
Veterinary research, 47, 44-44 (2016-03-19)
β-defensins are an important element of the mucosal innate immune response against bacterial pathogens. Tracheal antimicrobial peptide (TAP) has microbicidal activity against the bacteria that cause bovine respiratory disease, and its expression in tracheal epithelial cells is upregulated by bacterial
Sudarshan Singh Rathore et al.
Scientific reports, 7(1), 15400-15400 (2017-11-15)
Cryptococcus neoformans infection is quite complex with both host-pathogen interaction and host immune profile determining disease progress and therapeutic outcome. Hence in the present study, the potential utility of (E)-5-benzylidenedihydrofuran-2(3 H)-one (compound-6) was explored as an effective anticryptococcal compound with immunomodulatory
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