Cancer stem cells and self-renewal

CA O'Brien, A Kreso, CHM Jamieson - Clinical cancer research, 2010 - AACR
The cancer stem cell (CSC) or cancer-initiating cancer (C-IC) model has garnered considerable
attention over the past several years since Dick and colleagues published a seminal …

What is the energy balance of grass biomethane in Ireland and other temperate northern European climates?

BM Smyth, JD Murphy, CM O'Brien - Renewable and Sustainable Energy …, 2009 - Elsevier
Biofuels have had bad press in recent years. There are primarily two distinct issues. The
biofuel crops with the best yields (such as sugarcane or oil palm) grow in tropical countries …

Cancer stem cells in solid tumors: an overview

CA O'Brien, A Kreso, JE Dick - Seminars in radiation oncology, 2009 - Elsevier
It has long been appreciated that significant functional and morphologic heterogeneity can
exist within the individual cells that comprise a tumor. Increasing evidence indicates that …

A human colon cancer cell capable of initiating tumour growth in immunodeficient mice

CA O'Brien, A Pollett, S Gallinger, JE Dick - Nature, 2007 - nature.com
Colon cancer is one of the best-understood neoplasms from a genetic perspective 1 , 2 , 3 ,
yet it remains the second most common cause of cancer-related death, indicating that some …

Variable clonal repopulation dynamics influence chemotherapy response in colorectal cancer

A Kreso, CA O'Brien, P Van Galen, OI Gan, F Notta… - Science, 2013 - science.org
Intratumoral heterogeneity arises through the evolution of genetically diverse subclones
during tumor progression. However, it remains unknown whether cells within single genetic …

Self-renewal as a therapeutic target in human colorectal cancer

…, E Szentgyorgyi, S Gallinger, JE Dick, CA O'brien - Nature medicine, 2014 - nature.com
Tumor recurrence following treatment remains a major clinical challenge. Evidence from
xenograft models and human trials indicates selective enrichment of cancer-initiating cells (CICs…

[PDF][PDF] Colorectal cancer cells enter a diapause-like DTP state to survive chemotherapy

…, M Ramalho-Santos, S Goyal, J Moffat, CA O'Brien - Cell, 2021 - cell.com
Cancer cells enter a reversible drug-tolerant persister (DTP) state to evade death from
chemotherapy and targeted agents. It is increasingly appreciated that DTPs are important drivers …

Epigenetic therapy induces transcription of inverted SINEs and ADAR1 dependency

…, H Loo Yau, C Ishak, S Abelson, CA O'Brien… - Nature, 2020 - nature.com
Cancer therapies that target epigenetic repressors can mediate their effects by activating
retroelements within the human genome. Retroelement transcripts can form double-stranded …

Inhibition of protein kinase C by tamoxifen

CA O'Brian, RM Liskamp, DH Solomon, IB Weinstein - Cancer research, 1985 - AACR
The antiestrogen drug tamoxifen inhibits rat brain protein kinase C in vitro, whether the
enzyme is activated by Ca 2+ and phospholipid (50% inhibitory dose, 100 µm), 12-O-…

[PDF][PDF] Metformin alters upper small intestinal microbiota that impact a glucose-SGLT1-sensing glucoregulatory pathway

…, MA Abraham, HJ Dranse, A Puri, CA O'Brien… - Cell Metabolism, 2018 - cell.com
The gut microbiota alters energy homeostasis. In parallel, metformin regulates upper small
intestinal sodium glucose cotransporter-1 (SGLT1), but whether changes of the microbiota or …