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Laquinimod/拉喹莫德 {[allProObj[0].p_purity_real_show]}

货号:A216404 同义名: ABR-215062; LAQ

Laquinimod (ABR-215062) 是一种口服羧酰胺衍生物,具有免疫调节活性,可预防中枢神经系统神经变性与炎症;通过抑制星形胶质细胞中 NF-κB 活化减轻铜酮诱导的脱髓鞘,常用于多发性硬化(包括复发缓解型和慢性进展型)及神经退行性病变机制研究。

Laquinimod/拉喹莫德 化学结构 CAS号:248281-84-7
Laquinimod/拉喹莫德 化学结构
CAS号:248281-84-7
Laquinimod/拉喹莫德 3D分子结构
CAS号:248281-84-7
Laquinimod/拉喹莫德 化学结构 CAS号:248281-84-7
Laquinimod/拉喹莫德 3D分子结构 CAS号:248281-84-7
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Laquinimod/拉喹莫德 纯度/质量文件 产品仅供科研

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Laquinimod/拉喹莫德 生物活性

描述 Laquinimod is a potent immunomodulator which prevents neurodegeneration and inflammation in the central nervous system. In vivo laquinimod treatment inhibited donor myelin-specific T cells from transferring EAE (experimental autoimmune encephalomyelitis) to naive recipient mice. In vivo laquinimod treatment altered subpopulations of myeloid antigen presenting cells (APC) that included a decrease in CD11c(+)CD11b(+)CD4(+) dendritic cells (DC) and an elevation of CD11b(hi)Gr1(hi) monocytes[3]. Topical administration of laquinimod to the injured corneas dramatically inhibited alkali-induced corneal neovascularization and decreased inflammatory cell (such as macrophage) infiltration in a corneal injury mouse model. Laquinimod significantly downregulated the expression of chemokines (monocyte chemotactic protein-1 and macrophage inflammatory protein-1), pro-inflammatory cytokines (interleukin-1β and tumor necrosis factor-alpha), vascular endothelial growth factor, nucleotide-binding oligomerization domain-like receptor family pyrin domain-containing 3 and apoptosis-associated speck-like protein containing C-terminal caspase-recruitment domain adaptor protein in both injured corneas and RAW cells. In vitro, laquinimod also dramatically inhibited the proliferation, migration and tube formation of human umbilical vein endothelial cells[4]. Laquinimod had a significant protective impact against MPP+-induced neurotoxicity. Laquinimod prevented MPP+-induced reduction of cell proliferation, the release of lactate dehydrogenase (LDH), and apoptosis[5]. Laquinimod protects against glutamate excitotoxicity of the cerebellum of EAE mice by bursting the expression of glial glutamate transporters, independently of its anti-inflammatory effects[6].

Laquinimod/拉喹莫德 细胞实验

Cell Line
Concentration Treated Time Description References
mouse hepatocytes 0.06 ±0.02μM 4 h To evaluate the induction of Cyp1a1 mRNA by Laquinimod in mouse hepatocytes, showing different effects at different time points Proc Natl Acad Sci U S A. 2016 Oct 11;113(41):E6145-E6152.
human hepatocytes 0.2 ±0.04μM 24 h To evaluate the induction of CYP1A1 and CYP1A2 mRNA by Laquinimod in human hepatocytes, showing significant induction Proc Natl Acad Sci U S A. 2016 Oct 11;113(41):E6145-E6152.
cerebellar slices 30 μM 2 h To assess the direct effect of laquinimod on glutamatergic transmission in EAE cerebellar slices. Results showed that laquinimod significantly recovered the kinetic alterations of glutamatergic transmission in EAE cerebellum. J Neuroinflammation. 2018 Jan 5;15(1):5.
human NK cells 15 μM 120 h To evaluate the activation effect of Laquinimod on human NK cells, results showed that Laquinimod significantly increased the proportion of CD69+ in both CD56bright and CD56dim human NK cell subsets. J Neuroinflammation. 2019 Feb 26;16(1):49.
NK cells 10 μM 48 h To evaluate the activation effect of Laquinimod on NK cells, results showed that Laquinimod significantly increased the proportion of CD69+ in NK cells. J Neuroinflammation. 2019 Feb 26;16(1):49.
Primary human astrocytes 0, 100 nM, 250 nM, 1 µM, 5 µM 24 h To assess the effect of Laquinimod on astrocytic inflammatory response, results showed that Laquinimod significantly reduced pro-inflammatory factors secretion in astrocytes. Acta Neuropathol. 2012 Sep;124(3):411-24.
Primary mouse microglia 1 µM 20 h To assess the effect of Laquinimod on microglial inflammatory response, results showed that Laquinimod had minor effects on microglial cytokine secretion. Acta Neuropathol. 2012 Sep;124(3):411-24.
Oligodendrocyte precursor cells (OPCs) 0, 0.01, 0.1, 1, 10 µM 48 h To assess the effect of Laquinimod on oligodendroglial survival, results showed that Laquinimod did not affect cell survival. Acta Neuropathol. 2012 Sep;124(3):411-24.
CD14+ monocytes 10 μM and 100 μM 30 min To evaluate the effect of Laquinimod on the NF-κB signaling pathway, results showed that Laquinimod inhibited phosphorylation of the NF-κB p65 subunit. Neurol Neuroimmunol Neuroinflamm. 2020 Nov 17;8(1):e908.
CD14+ monocytes 10 μM and 100 μM 24 h To evaluate the effect of Laquinimod on monocyte survival and proliferation, results showed that Laquinimod did not affect monocyte survival and proliferation. Neurol Neuroimmunol Neuroinflamm. 2020 Nov 17;8(1):e908.
primary mouse astrocytes 250 nM 2 h To evaluate the effect of Laquinimod on NF-κB activation in astrocytes. Results showed that Laquinimod pretreatment significantly reduced NF-κB activation after cytokine stimulation. Neurol Neuroimmunol Neuroinflamm. 2016 May 17;3(3):e233.
Primary astrocytes 100 ng/mL 24 h To evaluate the effects of Delaq (a metabolite of Laquinimod) on AHR activation in astrocytes. Results showed Delaq, but not Laquinimod itself, induced expression of the AHR-responsive gene Cyp1b1 and reduced production of proinflammatory mediators (e.g., Ccl2, Nos2, Tnfa) while enhancing anti-inflammatory Il10 expression. Neurol Neuroimmunol Neuroinflamm. 2021 Jan 6;8(2):e946.

Laquinimod/拉喹莫德 动物实验

Species
Animal Model
Administration Dosage Frequency Description References
C57BL/6 mice Multiple myeloma (MM)-burdened mouse model Oral gavage 25 mg/kg Once daily for 2 weeks To evaluate the therapeutic effect of Laquinimod on BRONJ-like lesions, results showed that Laquinimod significantly decreased the M1/M2 macrophage ratio and concomitantly suppressed the incidence of BRONJ-like conditions in mice. Clin Cancer Res. 2013 Jun 15;19(12):3176-88
Mice Experimental autoimmune encephalomyelitis (EAE) Oral 25 mg/kg Once daily for 30 days To evaluate the therapeutic effect of Laquinimod in the EAE model, showing significant inhibition of disease progression via AhR activation Proc Natl Acad Sci U S A. 2016 Oct 11;113(41):E6145-E6152.
C57BL/6N mice Experimental autoimmune encephalomyelitis (EAE) Continuous intracerebroventricular (icv) infusion 1.25 mg/kg Once daily for 4 weeks To evaluate the direct neuroprotective effect of laquinimod on motor disability in EAE mice. Results showed that laquinimod significantly ameliorated motor disability in the late stage of EAE but had no remarkable effects on inflammatory markers. J Neuroinflammation. 2018 Jan 5;15(1):5.
Mice Experimental autoimmune encephalomyelitis (EAE) Oral gavage 25 mg/kg Daily for 11 days To evaluate the therapeutic effect of Laquinimod on EAE, results showed that Laquinimod improved EAE symptoms by activating NK cells and reducing CD11chighMHCII+ dendritic cells. J Neuroinflammation. 2019 Feb 26;16(1):49.
Mice Moderate TBI induced by fluid percussion Oral gavage 25 mg/kg Once daily, 7 days before TBI and 3 days after TBI Laquinimod reduced monocyte infiltration into the brain, decreased axonal damage, restored neurogenesis, and prevented long-term lateral ventricle enlargement caused by TBI. J Neuroinflammation. 2018 Jan 30;15(1):26
C57BL/6 mice Experimental autoimmune encephalomyelitis (EAE) model Oral 1, 5, or 25 mg/kg Once daily, starting the day post-immunization, for 30 days To investigate the protective effects of laquinimod on the optic nerve and retina in an EAE model. Results showed that laquinimod reduced neurological symptoms, improved retinal ganglion cell survival, and decreased demyelination and inflammatory cell infiltration in the optic nerve. J Neuroinflammation. 2018 Jun 14;15(1):183
C57BL/6J mice and Rag1-/- mice Cuprizone-induced demyelination model Oral 5 mg/kg and 25 mg/kg Daily administration for 1 or 6 weeks To assess the protective effect of Laquinimod on cuprizone-induced demyelination, results showed that Laquinimod significantly reduced demyelination, microglial activation, axonal damage and reactive gliosis. Acta Neuropathol. 2012 Sep;124(3):411-24.
Mice Cuprizone-induced demyelination model Oral gavage 25 mg/kg Once daily for 6 weeks To assess the protective effect of Laquinimod in the cuprizone-induced demyelination model. Results showed that Laquinimod significantly reduced demyelination, oligodendrocyte loss, microglial infiltration, and acute axonal damage. Neurol Neuroimmunol Neuroinflamm. 2016 May 17;3(3):e233.
C57Bl/6 mice Experimental autoimmune encephalomyelitis (EAE) model Oral gavage 25 mg/kg Daily administration starting from day 2 post-induction To investigate the therapeutic effects of Laquinimod via AHR activation in astrocytes in the EAE model. Results demonstrated Laquinimod ameliorated clinical symptoms, reduced CNS infiltration of inflammatory monocytes and effector T cells, and suppressed proinflammatory pathways (e.g., NF-κB signaling) in astrocytes via transcriptomic analysis. Neurol Neuroimmunol Neuroinflamm. 2021 Jan 6;8(2):e946.
C57BL/6 mice Experimental autoimmune encephalomyelitis (EAE) Oral 25 mg/kg Daily, starting from the day of immunization To evaluate the influence of oral laquinimod on induction of T follicular helper cells, development of meningeal B cell aggregates, and clinical disease in a spontaneous B cell–dependent MS model. Results showed that laquinimod treatment reduced CD11c+CD4+dendritic cells, inhibited expansion of PD-1+CXCR5+BCL6+T follicular helper and IL-21–producing activated CD4+CD44+T cells, suppressed B cell CD40 expression, diminished formation of Fas+GL7+germinal center B cells, and inhibited development of MOG-specific IgG. Laquinimod not only prevented rMOG-induced EAE but also inhibited development of spontaneous EAE and the formation of meningeal B cell aggregates. Neurol Neuroimmunol Neuroinflamm. 2016 Sep 21;3(5):e272

Laquinimod/拉喹莫德 临床研究

NCT号 适应症或疾病 临床期 招募状态 预计完成时间 地点
NCT01404117 Relapsing Multiple Sclerosis Phase 2 Withdrawn(Study is being redes... 展开 >>igned) 收起 << January 2014 -
NCT00605215 Multiple Sclerosis Phase 3 Completed - -
NCT01707992 Multiple Sclerosis Phase 3 Completed - -

Laquinimod/拉喹莫德 参考文献

[1]Yang JS, Xu LY, et al. Laquinimod (ABR-215062) suppresses the development of experimental autoimmune encephalomyelitis, modulates the Th1/Th2 balance and induces the Th3 cytokine TGF-beta in Lewis rats. J Neuroimmunol. 2004 Nov;156(1-2):3-9.

[2]Zou LP, Abbas N, et al. Suppression of experimental autoimmune neuritis by ABR-215062 is associated with altered Th1/Th2 balance and inhibited migration of inflammatory cells into the peripheral nerve tissue. Neuropharmacology. 2002 Apr;42(5):731-9.

[3]Schulze-Topphoff U, Shetty A, Varrin-Doyer M, Molnarfi N, Sagan SA, Sobel RA, Nelson PA, Zamvil SS. Laquinimod, a quinoline-3-carboxamide, induces type II myeloid cells that modulate central nervous system autoimmunity. PLoS One. 2012;7(3):e33797

[4]Li Z, Chen J, Lei L, Jiang N, Zhu Y, Jia Y, Zhuo Y, Su W. Laquinimod Inhibits Inflammation-Induced Angiogenesis in the Cornea. Front Med (Lausanne). 2020 Nov 10;7:598056

[5]Zhang X, Jin J, Xie A. Laquinimod inhibits MMP+ induced NLRP3 inflammasome activation in human neuronal cells. Immunopharmacol Immunotoxicol. 2020 Jun;42(3):264-271

[6]Gentile A, Musella A, De Vito F, Fresegna D, Bullitta S, Rizzo FR, Centonze D, Mandolesi G. Laquinimod ameliorates excitotoxic damage by regulating glutamate re-uptake. J Neuroinflammation. 2018 Jan 5;15(1):5

Laquinimod/拉喹莫德 实验方案

计算器
存储液制备 1mg 5mg 10mg

1 mM

5 mM

10 mM

2.80mL

0.56mL

0.28mL

14.01mL

2.80mL

1.40mL

28.03mL

5.61mL

2.80mL

Laquinimod/拉喹莫德 技术信息

CAS号248281-84-7
分子式C19H17ClN2O3
分子量 356.8
SMILES Code C1=CC=C(Cl)C2=C1N(C(=C(C2=O)C(=O)N(CC)C3=CC=CC=C3)O)C
MDL No. MFCD08689859
别名 ABR-215062; LAQ; TV-5600; SAIK-MS
运输蓝冰
InChI Key GKWPCEFFIHSJOE-UHFFFAOYSA-N
Pubchem ID 54677946
存储条件

In solvent -20°C: 3-6个月 -80°C: 12个月

Pure form Sealed in dry, room temperature

溶解方案

DMSO: 25 mg/mL(70.07 mM),配合低频超声,并水浴加热至45℃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

请根据您的动物给药指南选择适当的溶解方案。
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
方案 一
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