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liruihan鐵桿木蟲 (正式寫手)
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【資源】miRNA-96在胰腺癌中可作為一種腫瘤抑制基因抑制KRAS 已有4人參與
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miRNA-96 Suppresses KRAS and Functions as a Tumor Suppressor Gene in Pancreatic Cancer Therapeutic applications of microRNA (miRNA) in KRAS-driven pancreatic cancers might be valuable, but few studies have explored this area. Here, we report that miR-96 directly targets the KRAS oncogene and functions as a tumor-suppressing miRNA in pancreatic cancer cells. Ectopic expression of miR-96 through a synthetic miRNA precursor inhibited KRAS, dampened Akt signaling, and triggered apoptosis in cells. In human clinical specimens, miR-96 was downregulated or deleted where an association with KRAS elevations was observed. In vitro and in vivo assays established that miR-96 decreased cancer cell invasion and migration and slowed tumor growth in a manner associated with KRAS downregulation. Our findings identify miR-96 as a potent regulator of KRAS, which may provide a novel therapeutic strategy for treatment of pancreatic cancer and other KRAS-driven cancers. Cancer Res; 70(14); 6015–25. ©2010 AACR |
鐵桿木蟲 (正式寫手)
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miRNA-96在胰腺癌中可作為一種腫瘤抑制基因抑制KRAS 雖然miRNA在KRAS啟動的胰腺癌中的治療應(yīng)用可能有價值,但該方面的研究相對較少。本研究中我們報道了miR-96在胰腺癌中可作為腫瘤抑制性miRNA直接靶向KRAS基因。miR-96通過一種合成的miRNA前體的異位表達(dá)可已知KRAS,減緩Akt信號,并啟動細(xì)胞的凋亡。在人類臨床標(biāo)本中,miR-96表達(dá)下調(diào)或消失,而KRAS卻表達(dá)上調(diào)。體內(nèi)外研究顯示miR-96通過KRAS下調(diào)相關(guān)的方式降低癌細(xì)胞侵襲和遷移和減低腫瘤生長。我們的研究發(fā)現(xiàn)miR-96作為KRAS一個潛在的調(diào)控因子,在胰腺癌或其他KRAS啟動的癌治療中可提供一種新的治療策略。 |
木蟲 (正式寫手)

木蟲 (著名寫手)
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