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J Control Release: 在去势难治性前列腺癌中,脂质与寡核苷酸偶联可以提高细胞吞噬和反义-TCTP的效率

2017-05-09 AlexYang MedSci原创

翻译控制肿瘤蛋白(TCTP)与细胞生长、细胞周期进程、恶性转化和细胞凋亡的抑制等大量重要细胞学过程相关。因此,TCTP是一个目前被作为一个潜在的治疗几种癌症的靶点,包括前列腺癌、乳腺癌和肺癌。之前,有报道指出,TCTP在去势难治性前列腺癌中(CRPC)是超表达的,并且与治疗的抵抗性有关系。最近,研究人员开发了TCTP反义寡核苷酸链(ASOs)来尝试抑制TCTP的表达。然而,这些ASOs的细胞内传递

翻译控制肿瘤蛋白(TCTP)与细胞生长、细胞周期进程、恶性转化和细胞凋亡的抑制等大量重要细胞学过程相关。因此,TCTP是一个目前被作为一个潜在的治疗几种癌症的靶点,包括前列腺癌、乳腺癌肺癌。之前,有报道指出,TCTP在去势难治性前列腺癌中(CRPC)是超表达的,并且与治疗的抵抗性有关系。

最近,研究人员开发了TCTP反义寡核苷酸链(ASOs)来尝试抑制TCTP的表达。然而,这些ASOs的细胞内传递和沉默活性仍旧是一个挑战,并且还要依赖与转染药物和传递系统的使用。研究发现,在体内和体外试验中,缺乏另加转染药物的情况下,脂类修饰的ASO(LASOs)提高了抑制TCTP表达的渗透性和效率。通过巨胞饮,将TCTP-LASO转染可以导致快速的和持久的内部化、TCTP下调和细胞运动性的减弱。最后,研究人员指出,脂类修饰在CRPC异种种植模型中可以推迟肿瘤进展,并且没有显著地毒性作用。

原始出处:


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    2017-05-12 whlxd
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    2017-11-08 xsm918
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    2017-05-11 freve
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    2017-05-10 121485632188547785

    TCTP在去势难治性前列腺癌中(CRPC)是超表达的,并且与治疗的抵抗性有关系。

    0

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