1. Metabolic Enzyme/Protease
  2. Proteasome
  3. Immunoproteasome-IN-2

Immunoproteasome-IN-2 是一种选择性免疫蛋白酶体抑制剂,其对 LMP7 亚基 IC50 值为 232.3 nM,对 β5 亚基的 IC50 值为 9384.9 nM。Immunoproteasome-IN-2 对 LMP2MECL-1 亚基亦具有附属抑制活性。Immunoproteasome-IN-2 在关节炎小鼠模型中免疫蛋白酶体抑制剂 IN-2 表现出抗炎效果,并在毒理学研究中显示出良好的安全性,肝脏毒性和血液毒性均较低。Immunoproteasome-IN-2 的 LMP7/β5 选择性与较低的系统毒性直接相关。Immunoproteasome-IN-2 可用于关节炎相关研究。

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Immunoproteasome-IN-2

Immunoproteasome-IN-2 Chemical Structure

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Customer Review

  • 生物活性

  • 纯度 & 产品资料

  • 参考文献

生物活性

Immunoproteasome-IN-2 is selective immunoproteasome inhibitor with IC50 = 232.3 nM for LMP7, IC50 = 9384.9 nM for β5. Immunoproteasome-IN-2 exhibits ancillary inhibitory activity against LMP2 and MECL-1 subunits. Immunoproteasome-IN-2 demonstrates anti-inflammatory efficacy in a mouse model of arthritis and shows a favorable safety profile in toxicological studies with reduced hepatotoxicity and hematotoxicity. Immunoproteasome-IN-2 has LMP7/β5 selectivity directly correlated with lower systemic toxicity. Immunoproteasome-IN-2 can be employed for research in arthritis[1].

体外研究
(In Vitro)

Immunoproteasome-IN-2 (compound A33) (1.37-3000 nM) 在 Molt-4 细胞(人白血病 T 细胞)中对各免疫蛋白酶体亚基均具有抑制活性,其对 LMP7 的 IC50 为 12.5 nM,对 β5 的 IC50 为 2022.3 nM,对 LMP2 的 IC50 为 1043.7 nM,对 MECL-1 的 IC50 为 570.2 nM[1]
Immunoproteasome-IN-2 (1.37-3000 nM) 在小鼠 B 淋巴瘤细胞中与 LMP7 表现出优异的结合效率,且与 LMP7 形成共价键的速度快于与 β5 的结合 (LMP7 的 KI = 1.10 × 100 μM,β5 的 KI = 2.07 × 101 μM)[1]
Immunoproteasome-IN-2 的心脏毒性风险较低,其在 HEK293 hERG 细胞中对 HERG 通道的 IC50 大于 30 μM;对免疫蛋白酶体亚基具有突出选择性而对 β1 (IC50 > 30μM) 和 β1 (IC50 > 30 μM) 亚基无抑制活性[1]

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

药代动力学
(Parmacokinetics)
Species Dose Route C0 T1/2 AUC0-t AUC0-inf CL Vdss
Mice 5 mg/kg i.v. 88000 ng/mL 12.2 min 929 ng·h/mL 932 ng·h/mL 90.1 mL/min/kg 0.88 L/kg
体内研究
(In Vivo)

Immunoproteasome-IN-2 (compound A33) (5 mg/kg,静脉注射,每周三次持续两周) 在 BALB/c 小鼠抗胶原抗体诱导性关节炎 (CAIA) 模型中表现出强效的抗炎活性[1]
Immunoproteasome-IN-2 (20 mg/kg) 未导致任何 SD 大鼠死亡并且在血液学分析中维持淋巴细胞、血小板和网织红细胞的水平处于正常波动范围内[1]
Immunoproteasome-IN-2 (5 mg/kg,静脉注射) 在 BALB/c 小鼠脾脏中对 LMP7 具有抑制活性 (相对活性为 1.5 %),对 LMP2 和 MECL-1 具有中等抑制效果 (相对活性分别为 44.5 % 和 49.2 % ),在肾脏中对 β5 亚基的抑制效力较低 (相对活性为 76.9% )[1]
Immunoproteasome-IN-2 (5-20 mg/kg,静脉注射,每周两次连续四周) 在 SD 大鼠中显示出良好的安全性特征[1]

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: anticollagen antibody-induced arthritis (CAIA) induced in BALB/c mice[1]
Dosage: 5 mg/kg
Administration: i.v., three times weekly for 2 weeks
Result: Reduce the thickness of the paws, and the final CAIA score was less than 5.
Did not cause death or significant weight loss.
Exerted its efficacy by inhibiting the LMP2 and MECL-1 subunits, but not LMP7.
Animal Model: SD Rats[1]
Dosage: 5 mg/kg, 10 mg/kg, and 20 mg/kg
Administration: i.v., twice weekly for four consecutive weeks
Result: Observed no mortality at any dosage.
Did not induce any significant adverse effects on hematological parameters or liver function across all tested doses.
分子量

612.71

Formula

C32H44N4O8

运输条件

Room temperature in continental US; may vary elsewhere.

储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.

纯度 & 产品资料
参考文献
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  • 稀释计算器

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Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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产品名称:
Immunoproteasome-IN-2
目录号:
HY-179394
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