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Tumor Cell Dormancy—a Hallmark of Metastatic Growth and Disease Recurrence in Bone

机译:肿瘤细胞休眠 - 骨转移生长和疾病复发的标志

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Purpose of Review Dormant disseminated tumor cells are thought to play a pivotal role in driving tumor growth in bone and are likely responsible for disease recurrence following chemotherapy; however, the mechanisms regulating these processes remain unclear. Herein, we discuss recent advances controlling the mechanisms of tumor cell dormancy in bone and discuss the clinical implications of these findings. Recent Findings Recent studies have defined gene expression signatures for dormant tumor cells in bone, identifying novel pathways that we can potentially exploit to target these cells. Using intravital imaging and cell fate tracking, bone cells within the bone microenvironment have been shown to play a critical role in regulating tumor cell dormancy and growth, highlighting local bone cell activity as a novel avenue to control tumor cell growth and a role for bone cell niches in supporting dormancy and treatment resistance. Summary Due to advances in pre-clinical imaging and sequencing tools, we have a greater understanding of the phenomenon of tumor cell dormancy in bone, ultimately opening avenues for novel targeted treatments.
机译:审查休眠散发肿瘤细胞的目的被认为在骨骼中驱动肿瘤生长并且可能对化疗后疾病复发负责的作用;然而,调节这些过程的机制仍然不清楚。在此,我们讨论了控制骨骼中肿瘤细胞休眠机制的最新进展,并讨论了这些发现的临床意义。最近的发现最近的研究已经确定了骨骼中休眠肿瘤细胞的基因表达签名,鉴定了我们可能潜在利用这些细胞的新途径。使用腔内成像和细胞命运跟踪,骨微环境内的骨细胞已被证明在调节肿瘤细胞休眠和生长方面发挥关键作用,突出局部骨细胞活性作为控制肿瘤细胞生长的新途径和骨细胞的作用支持休眠和治疗抗性的利基。总结由于前临床前成像和测序工具的进步,我们对骨骼中肿瘤细胞休眠现象的现象更加了解,最终打开了新型靶向治疗的途径。

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