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- 保存条件:
4°C, protect from light
- 英文名:
LY 188011
- 库存:
货期:1-2天
- 供应商:
MedChemExpress LLC
- CAS号:
95058-81-4
- 规格:
10 mM * 1 mL/100 mg/200 mg/500 mg/1 g/5 g
| 规格: | 10 mM * 1 mL | 产品价格: | ¥792.0 |
|---|---|---|---|
| 规格: | 100 mg | 产品价格: | ¥720.0 |
| 规格: | 200 mg | 产品价格: | ¥1080.0 |
| 规格: | 500 mg | 产品价格: | ¥1980.0 |
| 规格: | 1 g | 产品价格: | ¥3100.0 |
| 规格: | 5 g | 产品价格: | ¥5900.0 |
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Gemcitabine
CAS No. : 95058-81-4
MCE 国际站:Gemcitabine
产品活性:Gemcitabine (LY 188011) 是一种嘧啶核苷类似物抗代谢药 (nucleoside antimetabolite/analog) 和抗肿瘤剂。Gemcitabine 抑制 DNA 合成 (DNA synthesis) 和修复,导致细胞自噬 (autophagy) 和凋亡 (apoptosis)。
研究领域:Cell Cycle/DNA Damage | Autophagy | Apoptosis
作用靶点:Nucleoside Antimetabolite/Analog | DNA/RNA Synthesis | Autophagy | Apoptosis
In Vitro: Gemcitabine (purchased from MedChem Express, 0.003-1 μM; 3 days) kills both mouse and human senescent cells effectively and potently.
?Gemcitabine inhibits the growth of BxPC-3, Mia Paca-2, PANC-1, PL-45 and AsPC-1 cells with IC50s of 37.6, 42.9, 92.7, 89.3 and 131.4 nM, respectively.
In Vivo: Gemcitabine can be administered via endotracheal spray in rats without marked toxicity with a maximum tolerated dose of 4 mg/kg once a week for 9 weeks. The toxicity of Gemcitabine is lower via lung than oral administration at dosages of 2, 4, and 6 mg/kg.
?Treatment of the LSL-KrasG12D/+; LSL-Trp53R172H; Pdx-1-Cre mice with either Gemcitabine (50 mg/kg, i.p.) or the combination DMAPT/Gemcitabine significantly increases the median survival time by more than 30 days compared to the placebo group (254.5 or 255 days vs. 217.5 days, respectively).
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文献和实验攻克「癌症之王」!哈佛大学卢坤平团队提出消除肿瘤新方法,这个
生长和恶性程度发展的促进作用也消失了。图片来源:Cell随后,研究人员用 Pin1 抑制剂进行预处理,发现其可以增强胰腺导管癌细胞对化疗药物吉西他滨(gemcitabine, GEM)以及免疫检查点抑制剂 PD-1 单抗的敏感性。这一作用背后的机制又是怎样的呢?细胞摄取吉西他滨需要平衡型核苷转运蛋白 1(ENT1)的参与,ENT1 也是吉西他滨治疗反应的标记物。后续研究发现,通过抑制 Pin1 可以显著增加 ENT1 蛋白表达水平。同时,PD-1 的配体 PD-L1 的表达水平也显著升高。图片来源
有氧运动真的能抗癌!Cancer Cell:一周 5 次、每次 30 分钟,就可助力免疫系统杀死癌细胞
紫杉醇(Gemcitabine + Nab-paclitaxel)是胰腺癌患者标准治疗的一种化疗组合。本研究中发现,有氧运动或使用 IL-15 激动剂 NIZ985 可以增强胰腺癌化疗效果,增强吉西他滨/白蛋白紫杉醇的肿瘤杀伤能力。如下图所示。 图片来源:Cancer Cell 有氧运动提高胰腺癌免疫治疗效果 免疫检查点抑制剂是近年来最成功的的癌症疗法之一,其中 PD-1 抗体药物已在多种癌症类型中取得较好的疗效,但在 PDAC 中效果甚微,临床数据显示 5 年生存率仅 10%。 本研究中发现,单独给药
名gemcitabine,键择)为主的化疗或(和)放疗。肾癌属于对放射线不敏感的肿瘤,单纯放疗不能取得较好效果。术前放疗一般较少采用,对未能彻底切除干净的Ⅲ期肾癌可选择术后放疗。 (三)转移性肾癌:以内科治疗为主的综合治疗。一小部分肾透明细胞癌病人对免疫治疗敏感。如果病人一般状况可(卡氏评分80分以上),肿瘤负荷小,以肺为主要转移部位,则可考虑细胞因子如干扰素(IFN)和白细胞介素-2(IL-2) 的单独或联合应用。单用有效率10%~20%,长期生存率低。有报道高剂量IL-2与低剂量IL-2联合或不联合IFN
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