Activity of MDI-301, a novel synthetic retinoid, in xenografts.

Activity of MDI-301, a novel synthetic retinoid, in xenografts.
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MDI-301(一种新型合成类维生素A)在异种移植物中的活性。

DOI:
10.1097/00001813-200411000-00009
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发表时间:
2004
期刊:
影响因子:
2.3
通讯作者:
Thompson,AlastairM
Thompson,AlastairM
中科院分区:
医学4区
文献类型:
--
作者:
Appleyard,VirginiaCL;O'Neill,MaryA;Murray,KarenE;Bray,SusanE;Thomson,George;Kernohan,NeilM;Varani,James;Zhang,Jian;Thompson,AlastairM

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MDI-301是一种无毒的新型合成类维生素A,在体外对表达RA受体(RAR)α的雌激素依赖性MCF 7和T47 D乳腺癌细胞系的疗效与天然9-顺式维甲酸(RA)相当。两种类维生素A对已建立的PC-3前列腺癌异种移植物也显示出相似的疗效。与MCF 7对照相比,在用MDI-301治疗后,MCF 7肿瘤异种移植物显示出48%的肿瘤生长减少,而没有全身副作用。来自MDA-MB-231(一种表达低水平RARα的雌激素非依赖性乳腺癌细胞系)的肿瘤异种移植物无反应。这项研究表明,MDI-301与9-cis-RA一样有效地对抗具有RARα的癌细胞,在体内没有毒性迹象,使其成为癌症治疗的潜在候选药物。
The efficacy of MDI-301, a non-toxic novel synthetic retinoid, was found to be equivalent to the natural 9-cis-retinoic acid (RA) in vitro against estrogen-dependent MCF7 and T47D breast cancer cell lines which express RA receptor (RAR) α. Both retinoids also showed similar efficacy against established PC-3 prostate carcinoma xenografts. MCF7 tumor xenografts showed a reduction in tumor growth of 48% without systemic side-effects upon treatment with MDI-301 compared with MCF7 controls. Tumor xenografts derived from MDA-MB-231, an estrogen-independent breast cancer cell line that expresses low levels of RARα, were unresponsive. This study demonstrates that MDI-301 is as efficacious as 9-cis-RA against cancer cells with RARα, with no signs of toxicity in vivo, making it a potential candidate for cancer therapy.
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