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1259330-61-4

中文名稱 Sparstolonin B
英文名稱 Sparstolonin B
CAS 1259330-61-4
分子式 C15H8O5
分子量 268.22
MOL 文件 1259330-61-4.mol
1259330-61-4 結(jié)構(gòu)式 1259330-61-4 結(jié)構(gòu)式

基本信息

英文別名
Sparstolonin B
Sparstolonin B >=98% (HPLC)
3H-Pyrano[3,4,5-kl]xanthen-3-one, 4,10-dihydroxy-

物理化學(xué)性質(zhì)

儲(chǔ)存條件2-8°C
溶解度DMSO : 10 mg/mL (Need ultrasonic and warming)
形態(tài)粉末
顏色白色至米色

安全數(shù)據(jù)

危險(xiǎn)性符號(hào)(GHS)GHS hazard pictograms
GHS07
警示詞警告
危險(xiǎn)性描述H315-H319

常見問(wèn)題列表

生物活性
Sparstolonin B 作為選擇性 TLR2 和 TLR4 拮抗劑,選擇性阻斷 TLR2 和 TLR4 介導(dǎo)的炎癥信號(hào)傳導(dǎo)。Sparstolonin B 具有抗 HIV 和抗癌活性。
靶點(diǎn)

TLR2

TLR4

HIV-1

體外研究

Sparstolonin B (1-20 μM; 2-4 days) inhibits cell growth and viability of neuroblastoma cells.
Sparstolonin B inhibits TLR ligand-induced cytokine expression in mouse macrophages. Sparstolonin B inhibits MyD88 recruitment to TLR4 and TLR2.
Sparstolonin B generates reactive oxygen species (ROS) in neuroblastoma cells. Sparstolonin B reduces expression of N-myc in neuroblastoma cells.

Cell Viability Assay

Cell Line: SH-SY5Y, IMR-32, NGP, SKNF-1 and SK-N-BE(2) cells
Concentration: 1 μM, 5 μM, 10 μM or 20 μM
Incubation Time: 2-4 days
Result: Effectively and dose-dependently inhibits the viability of all neuroblastoma cell lines after 2 days (SH-SY5Y and IMR-32), 3 days (NGP cells) or 4 days (SKNF-1 and SK-N-BE(2) cells) treatment.
體內(nèi)研究

Sparstolonin B (100 μg/mouse; i.p.) suppresses LPS-provoked inflammation in mice.

Animal Model: 5-6-week-old male C57Bl/6 mice (body weight 18-20 g)
Dosage: 100 μg/mouse
Administration: I.p.
Result: Significantly lower TNFα and IL-1β expression levels in LPS-induced sepsis mouse model.
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