Completed Cancer Genetics & Molecular Biology

A Multidisciplinary approach to prostate cancer stem cells and therapy

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AI plain-English summary

Prostate cancer cells that resist treatment and spread to other organs often behave like stem cells, and researchers in Leeds are now mapping the genetic instructions that keep these dangerous cells alive. This matters because standard therapies frequently fail to eliminate the root of the tumour. The team has already separated normal and malignant prostate tissue into individual cell types, including stem cells, and found that these cancer stem cells drive tumour formation, metastasis, and therapy resistance. The current work aims to identify the specific signalling pathways and gene interactions that control stem cell survival and invasion. If successful, this research could reveal new therapeutic targets that disable the cancer stem cells directly, rather than just shrinking the bulk tumour. That would mean treatments that are less likely to fail when the cancer returns or spreads. The project is fundamental science—it does not promise an immediate new drug. But understanding how a handful of genes control stem cell behaviour in the prostate could, over time, lead to therapies that attack the disease at its most stubborn source.

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The aim of this programme is to advance our understanding of the basic biology of the human prostate. We have achieved this by dissociating normal and malignant human tissues into constituent cell types, including stem cells. Our data indicates a key role for prostate cancer stem cells in tumourigenesis, metastasis and therapy resistance. We now propose to exploit the gene expression profiles we have generated to test the role of different signal transduction pathways in both carcinogenesis and the differentiation processes, using complex multicellular in vitro cultures and xenograft models in immunocompromised mice. Several novel gene interactions have been identified in Affymetrix expression/gene ontology studies and their role and mechanism of action in cancer stem cell survival and invasion will be determined. Finally, we shall seek to understand the mechanism of gene expression control in the transition from stem cells to their differentiated progeny, and hence to identify and to test novel therapeutic targets in the cancer stem cells.

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Researchers

Norman Maitland (EPMC Awardee)

Related Research

Grants with similar aims, by meaning.

Identification and validation of candidate genes involved in differentiation of human prostate epithelial stem cells
Royal College of Surgeons of England/Cancer Research UK fellowship: In situ characterisation of stem cells and their fate in the aging human prostate
Deconstruction, reconstruction and functionalization of prostate cancer heterogeneity
Evaluation of cancer stem cells in breast, prostate and head and neck squamous cell carcinoma.
The Freemasons Grand Charity, Mapping the Epigenetic Landscape in Prostate Cancer Stem Cells".

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