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Focal Adhesion Kinase and Wnt Signaling Regulate Human Ductal Carcinoma In Situ Stem Cell Activity and Response to Radiotherapy
Abstract Cancer stem cells (CSCs) can avoid or efficiently repair DNA damage from radio and chemotherapy, which suggests they play a role in disease recurrence. Twenty percentage of patients treated with surgery and radiotherapy for ductal carcinoma in situ (DCIS) of the breast recur and our previous data show that high grade DCIS have increased numbers of CSCs. Here, we investigate the role of focal adhesion kinase (FAK) and Wnt pathways in DCIS stem cells and their capacity to survive irradiation. Using DCIS cell lines and patient samples, we demonstrate that CSC‐enriched populations are relatively radioresistant and p...
Source: Stem Cells - January 22, 2015 Category: Stem Cells Authors: Kathryn E. Williams, Nigel J. Bundred, Göran Landberg, Robert B. Clarke, Gillian Farnie Tags: Cancer Stem Cells Source Type: research

Focal adhesion kinase and wnt signalling regulates human ductal carcinoma in situ stem cell activity and response to radiotherapy
Abstract Cancer stem cells (CSCs) can avoid or efficiently repair DNA damage from radio and chemotherapy, which suggests they play a role in disease recurrence. 20% of patients treated with surgery and radiotherapy for ductal carcinoma in Situ (DCIS) of the breast recur and our previous data shows that high grade DCIS have increased numbers of CSCs. Here, we investigate the role of Focal Adhesion Kinase (FAK) and Wnt pathways in DCIS stem cells and their capacity to survive irradiation. Using DCIS cell lines and patient samples we demonstrate that CSC‐enriched populations are relatively radioresistant and possess high FA...
Source: Stem Cells - September 3, 2014 Category: Stem Cells Authors: Kathryn E Williams, Nigel J Bundred, Göran Landberg, Robert B Clarke, Gillian Farnie Tags: Original Research Source Type: research