期刊
NEOPLASIA
卷 20, 期 8, 页码 871-881出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.neo.2018.06.006
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类别
资金
- Israel Science Foundation (ICORE) [1902/12, 1634/13, 2017/13]
- Israel Cancer Association [20150911]
- Israel Ministry of Health [3-10146]
- EU-FP7 (Marie Curie International Reintegration Grant) [618592]
Wilms' tumor is a pediatric malignancy that is thought to originate from faulty kidney development during the embryonic stage. However, there is a large variation between tumors from different patients in both histology and gene expression that is not well characterized. Here we use a meta-analysis of published microarray datasets to show that Favorable Histology Wilms' Tumors (FHWT's) fill a triangle-shaped continuum in gene expression space of which the vertices represent three idealized archetypes. We show that these archetypes have predominantly renal blastemal, stromal, and epithelial characteristics and that they correlate well with the three major lineages of the developing embryonic kidney. Moreover, we show that advanced stage tumors shift towards the renal blastemal archetype. These results illustrate the potential of this methodology for characterizing the cellular composition of Wilms' tumors and for assessing disease progression.
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