Meta-analysis of expression of l(3)mbt tumor-associated germline genes supports the model that a soma-to-germline transition is a hallmark of human cancers.

Meta-analysis of expression of l(3)mbt tumor-associated germline genes supports the model that a soma-to-germline transition is a hallmark of human cancers.
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DOI:
10.1002/ijc.28577
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发表时间:
2014-05-15
影响因子:
6.4
通讯作者:
McFarlane, Ramsay J.
McFarlane, Ramsay J.
中科院分区:
医学1区
文献类型:
--
作者:
Feichtinger, Julia;Larcombe, Lee;McFarlane, Ramsay J.

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越来越多的证据表明,后生动物的肿瘤发生涉及体细胞到生殖系的转变,这可能有助于肿瘤特征的获得。在这里,我们使用来自大量人类肿瘤的基因表达数据集,荟萃分析了在L(3)MBT脑瘤中异位表达的果蝇生殖系基因的人类同源物的基因表达谱。我们发现,这些生殖系基因,其中一些驱动黑腹果蝇的肿瘤生成,在广泛的人类癌症中也同样被异位激活。其中一些基因的表达通常局限于生殖系,这使得它们具有特殊的临床意义。重要的是,这些分析为新出现的模型提供了额外的支持,该模型提出了从胞体到生殖系的转变是广泛的人类肿瘤的一般标志。这对于我们理解人类肿瘤的发生以及开发具有临床潜力的新的治疗和生物标记物靶点具有重要意义。
Evidence is starting to emerge indicating that tumorigenesis in metazoans involves a soma-to-germline transition, which may contribute to the acquisition of neoplastic characteristics. Here, we have meta-analyzed gene expression profiles of the human orthologs of Drosophila melanogaster germline genes that are ectopically expressed in l(3)mbt brain tumors using gene expression datasets derived from a large cohort of human tumors. We find these germline genes, some of which drive oncogenesis in D. melanogaster, are similarly ectopically activated in a wide range of human cancers. Some of these genes normally have expression restricted to the germline, making them of particular clinical interest. Importantly, these analyses provide additional support to the emerging model that proposes a soma-to-germline transition is a general hallmark of a wide range of human tumors. This has implications for our understanding of human oncogenesis and the development of new therapeutic and biomarker targets with clinical potential.
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