Transcriptomics

Dataset Information

3

High fidelity patient-derived xenografts for accelerating prostate cancer discovery and drug development (expression)


ABSTRACT: Prostate cancer discovery and translational research are hampered by a lack of preclinical models which accurately reproduce the biological heterogeneity observed in patients. Accordingly, we have established a bank of transplantable patient-derived prostate tumor xenograft lines, using subrenal capsule grafting of human tumor tissue into immuno-deficient mice. This panel includes the first lines generated from primary prostate cancer tissue, and also new lines from metastatic tissue. Critically, the lines retained salient features of the original patient tumors, including histopathology, clinical marker expression, chromosomal aberration and gene expression profiles. Furthermore, they span major histopathological and molecular subtypes of prostate cancer, capturing diverse inter- and intra-tumoral heterogeneity. Host castration led to the development of castrate-resistant tumors, including the first model of complete neuroendocrine transdifferentiation. This publicly-available resource provides novel tools to advance mechanistic understanding of disease progression and response to therapy, and delivers clinically-relevant model systems for evaluation of preclinical drug efficacy. 3 primary tumors and 22 xenograft tumors

ORGANISM(S): Homo sapiens  

SUBMITTER: Dong Lin   Sonal Brahmbhatt  Anne Haegert  Shawn Anderson  Shawn A Anderson  Alexander W Wyatt 

PROVIDER: E-GEOD-41192 | ArrayExpress | 2013-01-12

SECONDARY ACCESSION(S): GSE41192PRJNA176141

REPOSITORIES: GEO, ArrayExpress

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