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Koumine
本半岛bd体育手机客户端 不向个人销售,仅用作科学研究,不用于任何人体实验及非科研性质的动物实验。
Koumine图片
CAS NO: 1358-76-5
包装与价格:
包装 价格(元)
20mg 电议
500mg 电议
1g 电议

半岛bd体育手机客户端 介绍
Koumine 是一种从 Gelsemium elegans 中分离出来的生物碱,具有强大的抗肿瘤活性。
Cas No. 1358-76-5
别名 钩吻素子
Canonical SMILES CN1CC2(C3CC4C5=NC6=CC=CC=C6C52CC1C3CO4)C=C
分子式 C20H22N2O
分子量 306.4
溶解度 ≥ 29mg/mL in DMSO with ultrasonic
储存条件 4°C, away from moisture and light
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.
Shipping Condition Evaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request
半岛bd体育手机客户端 描述

Koumine is an alkaloid separated from Gelsemium elegans, shows potent anti-tumor activity. Koumine up-regulates the Bax/Bcl-2 ratio and caspase-3 expression in human breast cancer cells[1]. Koumine has anxiolytic, antistress, antipsoriatic, and analgesic activities[3], protects against the development of arthritis in Rheumatoid arthritis (RA) animal models[2].

Koumine (0.5, 1 and 2 mg/mL) dose- and time-dependently inhibits the proliferation of MCF-7 cells, with an IC50 of 124 μg/mL at 72 h. Koumine induces apoptosis, causes cell cycle arrest at G2/M phase[1].Koumine (0.5, 1 and 2 mg/mL) up-regulates the Bax/Bcl-2 ratio and caspase-3 expression in a dose-dependent manner in MCF-7 Cells[1].Koumine (25, 50, 100, and 200 μM) decreases the protein and mRNA levels of microglia M1 polarization factors in LPS-induced BV2 cells[3].

Koumine is less toxic, with the median lethal dose (LD50) of 300.0 mg/kg on Wistar rats. Koumine (0.6, 3, or 15 mg/kg/per, p.o.) exhibits antirheumatic properties in rats with adjuvant-induced arthritis (AIA) and collagen-induced arthritis (CIA)[2].Koumine inhibits the increase in cytokines in joint tissue and TNF-α level in serum at 15 mg/kg, and suppresses the increase in the serum level of IL-1β at 3 and 15 mg/kg[2].Koumine (0.28, 7 mg/kg, s.c.) significantly reduces neuropathic pain after nerve injury. Koumine suppresses the increased Iba-1 protein level[3].

References:
[1]. Zhang X, et al. Apoptotic Effect of Koumine on Human Breast Cancer Cells and the Mechanism Involved. Cell Biochem Biophys. 2015 Jun;72(2):411-6.
[2]. Yang J, et al. Effects of Koumine on Adjuvant- and Collagen-Induced Arthritis in Rats. J Nat Prod. 2016 Oct 28;79(10):2635-2643.
[3]. Jin GL, et al. Koumine Attenuates Neuroglia Activation and Inflammatory Response to Neuropathic Pain. Neural Plast. 2018 Mar 25;2018:9347696.

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