Licochalcone B提取自 Glycyrrhiza uralensis 根部,能有效抑制淀粉样蛋白 β (Aβ42) 的自聚集,并分解已形成的 Aβ42 原纤维。它通过螯合金属离子减少 Aβ42 聚集,并在 LPS 信号通路中抑制 NF-κB p65 磷酸化。此外,Licochalcone B 能抑制非小细胞肺癌 (NSCLC) 细胞的生长,诱导凋亡,并通过破坏 NEK7-NLRP3 相互作用来抑制 NLRP3 炎症小体。


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| Concentration | Treated Time | Description | References | |
| THP-1 macrophages | 10 μM | 48 hours | Evaluate the anti-inflammatory activity of Licochalcone B, showing significant inhibition of IL-1β P17 secretion in SFTSV-infected THP-1 macrophages. | Proc Natl Acad Sci U S A. 2023 May 2;120(18):e2301775120 |
| HaCaT | 10, 20, 30 μM | 48 hours | LCB showed no significant toxicity to HaCaT cells. | Antioxidants (Basel). 2023 Mar 7;12(3):656 |
| JB6 | 10, 20, 30 μM | 48 hours | LCB showed no significant toxicity to JB6 cells. | Antioxidants (Basel). 2023 Mar 7;12(3):656 |
| Calu-3 cells | 1.1, 3.3, 10, 30 μM | 48 hours | Evaluate the inhibitory effect of Licochalcone B on SARS-CoV-2-induced inflammatory responses, showing dose-dependent reduction of IL-1β P17 release. | Proc Natl Acad Sci U S A. 2023 May 2;120(18):e2301775120 |
| human liver microsomes | 14.07 ± 1.55 μM | 3 min or 33 min preincubation | To evaluate the inhibitory effect of Licochalcone B on human CYP3A, results showed that Licochalcone B inhibited CYP3A in a time-dependent manner, with IC50 values decreasing from 14.07 μM to 6.81 μM. | Acta Pharmacol Sin. 2022 Apr;43(4):1072-1081 |
| A549 cells | 139.70 μM | 1 hour | Evaluate the activity of Licochalcone B as a B2 receptor antagonist, results showed significant antagonist activity. | J Ethnopharmacol. 2021 Nov 15;280:114488 |
| HT-29 cells | 25.12 μM | 1 hour | Evaluate the activity of Licochalcone B as a GPR35 agonist, results showed significant agonist activity. | J Ethnopharmacol. 2021 Nov 15;280:114488 |
| HCT116-OxR | 10, 20, 30 μM | 24 or 48 hours | LCB significantly inhibited the viability of HCT116-OxR cells with an IC50 value of 26.86 μM. | Antioxidants (Basel). 2023 Mar 7;12(3):656 |
| HCT116 | 10, 20, 30 μM | 24 or 48 hours | LCB significantly inhibited the viability of HCT116 cells with an IC50 value of 25.21 μM. | Antioxidants (Basel). 2023 Mar 7;12(3):656 |
| human peripheral blood mononuclear cells (hPBMCs) | 20 μM | 1 hour | To evaluate the effect of LicoB on NLRP3 inflammasome activation in hPBMCs, results showed inhibition of IL-1β secretion and caspase-1 cleavage | EMBO Rep. 2022 Feb 3;23(2):e53499 |
| PMA-differentiated THP-1 cells | 20 μM | 1 hour | To evaluate the effect of LicoB on NLRP3 inflammasome activation in THP-1 cells, results showed inhibition of IL-1β secretion and caspase-1 cleavage | EMBO Rep. 2022 Feb 3;23(2):e53499 |
| mouse bone marrow-derived macrophages (BMDMs) | 0-80 μM | 24 hours | To evaluate the cytotoxicity of LicoB on BMDMs, results showed no cytotoxicity below 80 μM | EMBO Rep. 2022 Feb 3;23(2):e53499 |
| Human Pulmonary Microvascular Endothelial Cells (HPMECs) | 400 ng/mL | 48 hours | Evaluate the protective effect of LCB against LPS-induced oxidative stress. LCB pretreatment significantly reduced LPS-induced ROS levels. | Redox Rep. 2023 Dec;28(1):2243423 |
| Human Pulmonary Microvascular Endothelial Cells (HPMECs) | 0.1-0.7 μM | 24 hours and 48 hours | Evaluate the effect of LCB on cell viability and cytotoxicity in HPMECs. LCB significantly increased cell viability at concentrations of 0.1-0.7 μM, with the best effect at 400 nM. | Redox Rep. 2023 Dec;28(1):2243423 |
| RAW264.7 cells | 0.25, 0.5, 0.75 µM | 24 hours | LCB alleviates BDE-47-induced apoptosis and oxidative stress in RAW264.7 cells by activating the Nrf2 pathway and inhibiting the NF-κB pathway. | Antioxidants (Basel). 2024 Apr 10;13(4):445 |
| Administration | Dosage | Frequency | Description | References | ||
| C57BL/6 mice | LPS-induced septic shock model | Intraperitoneal injection | 20 or 40 mg/kg | Single dose, monitored for 72 hours | To evaluate the protective effect of LicoB on LPS-induced septic shock, results showed dose-dependent improvement in mouse survival | EMBO Rep. 2022 Feb 3;23(2):e53499 |
| C57BL/6 male mice | LPS-induced acute lung injury model | Intraperitoneal injection | 10 mg/kg, 20 mg/kg, 40 mg/kg | Once daily for seven consecutive days | Evaluate the protective effect of LCB against LPS-induced acute lung injury. LCB significantly reduced pulmonary edema and oxidative stress markers and improved inflammatory responses. | Redox Rep. 2023 Dec;28(1):2243423 |
| Mice | DOX-induced AKI model | Intraperitoneal injection | 200 μM | 10 minutes incubation | Licochalcone B was identified as a potential inhibitor of PAI-1, inhibiting its activity by direct binding. | Chin Med. 2024 Nov 1;19(1):152 |
| 计算器 | ||||
| 存储液制备 | ![]() |
1mg | 5mg | 10mg |
|
1 mM 5 mM 10 mM |
3.49mL 0.70mL 0.35mL |
17.47mL 3.49mL 1.75mL |
34.93mL 6.99mL 3.49mL |
|
| CAS号 | 58749-23-8 |
| 分子式 | C16H14O5 |
| 分子量 | 286.28 |
| SMILES Code | O=C(C1=CC=C(O)C=C1)/C=C/C2=CC=C(O)C(O)=C2OC |
| MDL No. | MFCD20527294 |
| 别名 | Lico B |
| 运输 | 蓝冰 |
| InChI Key | DRDRYGIIYOPBBZ-XBXARRHUSA-N |
| Pubchem ID | 5318999 |
| 存储条件 |
In solvent -20°C: 3-6个月 -80°C: 12个月 Pure form Sealed in dry, store in freezer, under -20°C |
| 溶解方案 |
DMSO: 85 mg/mL(296.91 mM),配合低频超声助溶,注意:DMSO长时间开封后,会吸水并导致溶解能力下降,请避免使用长期开封的DMSO 以下溶解方案都请先按照体外实验的方式配制澄清的储备液,再依次添加助溶剂: ——为保证实验结果的可靠性,澄清的储备液可以根据储存条件,适当保存;体内实验的工作液,建议现用现配,当天使用; 以下溶剂前显示的百分比是指该溶剂在终溶液中的体积占比;如在配制过程中出现沉淀、析出现象,可以通过加热和/或超声的方式助溶
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