Volume 1.31 | Oct 23

Intestinal Cell News 1.31 October 22, 2015
Intestinal Cell News
     In this issue: Publications | Reviews | Science News | Industry News | Policy News | Events | Jobs
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TOP STORY
New Insight into How Colon Cancer Arises
Researchers shed light on how intestinal stem cells fuel the regenerative process. They discovered that a protein called Yap (a potent stimulator of tissue growth in many organisms) plays a key role in reprogramming intestinal stem cells and in allowing them to replace the cells lost to injury. [Press release from Lunenfeld-Tanenbaum Research Institute discussing online prepublication in Nature] Press Release | Abstract
Watch Now: Webinar on Gastrointestinal Organoids by Dr. Meritxell Huch
 
PUBLICATIONS (Ranked by impact factor of the journal)
INTESTINAL CANCERS & DISEASES

Frequent Somatic Mutation in Adult Intestinal Stem Cells Drives Neoplasia and Genetic Mosaicism during Aging
Researchers report two mechanisms of genome instability in adult Drosophila intestinal stem cells that cause phenotypic alterations in the aging intestine. [Cell Stem Cell] Abstract | Graphical Abstract

Positive Regulation of β-Catenin–PROX1 Signaling Axis by DBC1 in Colon Cancer Progression
The authors investigated the role of DBC1, which was recently reported as a negative regulator of SIRT1 and a transcriptional coactivator, in the regulation of Wnt/β-catenin signaling. Loss of DBC1 inhibited growth and tumorigenic potential of colon cancer cells, and DBC1 expression correlated with shorter relapse-free survival in patients with advanced colorectal cancer. [Oncogene] Abstract

ER-Stress-Induced Differentiation Sensitizes Colon Cancer Stem Cells to Chemotherapy
Scientists report that ER-stress-induced activation of the unfolded protein response forces colon cancer stem cells to differentiate, resulting in their enhanced sensitivity to chemotherapy in vitro and in vivo. [Cell Rep] Full Article | Graphical Abstract

Wnt2 Complements Wnt/β-Catenin Signaling in Colorectal Cancer
The authors found that Wnt2 is highly expressed in colorectal cancer (CRC) cells. In addition to co-expression of Wnt2 with Wnt/β-catenin target genes in CRC, knockdown or knockout of Wnt2 significantly downregulated Wnt/β-catenin target gene expression in CRC cells. [Oncotarget] Full Article

Loss of PTEN Facilitates Rosiglitazone-Mediated Enhancement of Platinum(IV) Complex LA-12-Induced Apoptosis in Colon Cancer Cells
Researchers demonstrated an outstanding ability of rosiglitazone to mediate a profound enhancement of LA-12-induced apoptosis associated with activation of mitochondrial pathway in human colon cancer cells. [PLoS One] Full Article

Inhibition of Matriptase Activity Results in Decreased Intestinal Epithelial Monolayer Integrity In Vitro
Scientists confirmed that non-tumorigenic IPEC-J2 cells can be used as an appropriate small intestinal model for the in vitro characterization of matriptase-related effects on intestinal epithelium. [PLoS One] Full Article

The H1047R Point Mutation in p110 Alpha Changes the Morphology of Human Colon HCT116 Cancer Cells
Researchers showed that the H1047R in p110α of phosphatidylinositol 3-kinases decreases F-actin polymerization, increases the formation of filopodia and significantly changes the cell morphology in HCT116 cancer cells. [Cell Death Disc] Full Article

INTESTINAL STEM CELL & ORGANOID RESEARCH

A Sox Transcription Factor Is a Critical Regulator of Adult Stem Cell Proliferation in the Drosophila Intestine
Researchers showed that a member of the Sox family of transcription factors in Drosophila, Sox21a, is expressed in intestinal stem cells in the adult gut. [Cell Rep] Full Article | Graphical Abstract

Distinct Processes and Transcriptional Targets Underlie CDX2 Requirements in Intestinal Stem Cells and Differentiated Villus Cells
RNA sequencing analysis identified transcripts modulated during differentiation of Lgr5+ intestinal stem cells into villus cells, with high expression of the intestine-restricted transcription factor gene Cdx2 in both populations. [Stem Cell Reports] Full Article | Graphical Abstract

Register Now: Intestinal Organoid Workshop in Cambridge
 
REVIEWS
What Role Could Organoids Play in the Personalization of Cancer Treatment?
The authors discuss how organoid culture models could facilitate the personalization of cancer medicine. [Pharmacogenomics] Abstract

Visit our reviews page to see a complete list of reviews in the intestinal cell research field.
 
SCIENCE NEWS
Synthetic Biologics’ Novel Irritable Bowel Syndrome with Constipation (IBS-C) Program Featured in American College of Gastroenterology Poster
Synthetic Biologics, Inc. announced that experimental results supporting the proposed therapeutic mode-of-action of SYN-010 in irritable bowel syndrome with constipation were presented. [Press release from Synthetic Biologics, Inc. discussing research presented at the American College of Gastroenterology Annual Meeting (ACG), Honolulu] Press Release

New UCB Data Provide Clinical Insights into the Use of Cimzia® (certolizumab pegol) in Treating Crohn’s Disease
UCB sponsored several data presentations on Cimzia® in Crohn’s disease. [Press release from UCB S.A. (PR Newswire LLC.) discussing research presented at the American College of Gastroenterology Annual Meeting (ACG), Honolulu] Press Release

From our sponsor: Induce neural progenitor cells faster and more effectively. Watch the technical video.
 
INDUSTRY NEWS
Phase III Data Show STELARA® Induced Clinical Response and Remission in the Treatment of Patients with Moderate to Severe Crohn’s Disease
Phase III data showed treatment with STELARA® (ustekinumab) induced clinical response and clinical remission in patients with moderate to severe Crohn’s disease who had previously failed conventional therapy, the majority of whom were naïve to treatment with anti-tumor necrosis factor-alpha therapy. [Janssen Research & Development, LLC] Press Release

UGR Scientists Patent an Effective Drug for Treating Breast, Colon, and Skin Cancers
Scientists from the University of Granada have patented an effective drug for treating cancer stem cells in breast, colon, and skin cancers. The researchers have proved the anti-tumor effects of the drug on immunodeficient mice. [University of Granada (EurekAlert!)] Press Release

Cancer Research UK and HSBC Join Forces in US$25 Million Partnership to Build the Francis Crick Institute
Cancer Research UK announced a partnership with HSBC to support the scientific leaders of tomorrow through a contribution of US$25 million towards the development of the Francis Crick Institute. [Cancer Research UK] Press Release
 
POLICY NEWS
National Institutes of Health (United States)

Food and Drug Administration (United States)

Center for Biologics Evaluation and Research (United States)

European Medicines Agency (European Union)

Medicines and Healthcare Products Regulatory Agency (United Kingdom)

Therapeutic Goods Administration (Australia)
 
EVENTS
NEW European Society for Medical Oncology (ESMO) Asia 2015 Congress
December 18-21, 2015
Singapore, Singapore

Visit our events page to see a complete list of events in the intestinal cell research community.
 
JOB OPPORTUNITIES
NEW Postdoctoral Fellow – Investigation of Intestinal Epithelial Integrity with Organoid Cultures (AbbVie Inc.)

Research Associate – Intestinal Cell Biology (STEMCELL Technologies Inc.)

Postdoctoral Scientist – Cancer Biology, Immunology and Gastrointestinal Research (Cedars-Sinai)

Postdoctoral Research Officer – Colon Cancer and Intestinal Development (Hudson Institute of Medical Research)

Project Manager – Manufacturing (Qu Biologics)

Postdoctoral Research Fellow/Research Scientist – Biotechnology (Qu Biologics)

Postdoctoral Fellow – Investigation of Intestinal Epithelial Integrity with Organoid Cultures (AbbVie Inc.)

PhD Positions – Gut Microbiota and Colon Cancer (University of Southern Denmark)

Postdoctoral Researcher – Epigenetic Modifiers (Van Andel Research Institute)

Postdoctoral Research Fellow – Colorectal Cancer (Fred Hutchinson Cancer Research Center)

Postdoctoral Research Fellow – Ex Vivo Tumor Organoid Models (Fred Hutchinson Cancer Research Center)

Postdoctoral Position – Intestinal Immunology (Shanghai Institute of Immunology)


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