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Micro-orchestrating differentiation in cancer.

机译:癌症中的微协调分化。

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Differentiation involves repression of genes governing proliferation and self-renewal, and transcriptional activation of lineage-specific genes. The mechanisms underlying these changes are epigenetic. In cancer cells differentiation genes are locked into a transcriptionally inactive state. Recent results show that in spite of the diversity of the genetic lesions leading to a cancerous phenotype, it may still be possible to release this block and to force differentiation. The key may be microRNAs (miRNAs) which directly or indirectly target epigenetic modifiers. These miRNAs could allow to apply to solid tumors the non-toxic differentiative approach currently adopted in some haematologic malignancies.
机译:分化涉及控制增殖和自我更新的基因的抑制,以及谱系特异性基因的转录激活。这些变化的潜在机制是表观遗传的。在癌细胞中,分化基因被锁定为转录失活状态。最近的结果表明,尽管遗传损伤的多样性导致了癌性表型,仍然有可能释放这种阻断并强迫分化。关键可能是直接或间接靶向表观遗传修饰子的microRNA(miRNA)。这些miRNA可以使目前在某些血液系统恶性肿瘤中采用的无毒分化方法应用于实体瘤。

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