Volume 2.10 | Mar 18

Intestinal Cell News 2.10 March 18, 2016
Intestinal Cell News
     In this issue: Publications | Reviews | Industry News | Policy News | Events | Jobs
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TOP STORY
Starvation Signals Control Intestinal Inflammation in Mice
Researchers highlight an ancient connection between cellular mechanisms to sense nutrient availability and control of inflammation. They also suggest that a low protein diet – or drugs that mimic its effects on immune cells – could be tools for the treatment of inflammatory bowel diseases, such as Crohn’s disease or ulcerative colitis. [Press release from Emory University discussing online prepublication in Nature]
Press Release | Abstract
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PUBLICATIONS (Ranked by impact factor of the journal)
INTESTINAL CANCERS & DISEASES

The Pro-Survival IKK-Related Kinase IKKepsilon Integrates LPS and IL-17A Signaling Cascades to Promote Wnt-Dependent Tumor Development in the Intestine
Researchers assessed the relationship between the pro-inflammatory Ikk-related kinase, Ikkepsilon, in Wnt-driven tumor development. They found that Ikkepsilon was activated in intestinal tumors forming upon loss of the tumor suppressor Apc. [Cancer Res] Abstract

NLRX1 Acts as an Epithelial-Intrinsic Tumor Suppressor through the Modulation of TNF-Mediated Proliferation
Investigators identified NLRX1 as a suppressor of colonic tumorigenesis that acts by controlling epithelial proliferation in the intestine during the regeneration phase following mucosal injury. [Cell Rep]
Full Article | Graphical Abstract

Dual Targeting of Bromodomain and Extra-Terminal Domain Proteins, and WNT or MAPK Signaling, Inhibits c-MYC Expression and Proliferation of Colorectal Cancer Cells
Researchers demonstrated that bromo and extra-terminal domain inhibitors (BETi) downregulate c-MYC expression and inhibit colorectal cancer cell proliferation, and identified strategies for enhancing the effects of BETi on c-MYC repression by combinatorial targeting the c-MYC super-enhancer. [Mol Cancer Ther] Abstract

Gankyrin Activates mTORC1 Signaling by Accelerating TSC2 Degradation in Colorectal Cancer
Scientists report that gankyrin promotes the initiation and development of colorectal carcinogenesis by activating mTORC1 signaling, through TSC/Rheb dependent mechanism. [Cancer Lett] Abstract

Identification of a Novel Interaction between Corticotropin Releasing Hormone (Crh) and Macroautophagy
Investigators report a functional interaction between macroautophagy and Crh in the gut. They uncovered sustained basal autophagy in the gut of Crh−/− mice, which persisted over the course of DSS administration. [Sci Rep] Full Article

Transcriptional Activation of FN1 and IL11 by HMGA2 Promotes the Malignant Behavior of Colorectal Cancer
Researchers showed that ectopic expression of HMGA2 significantly enhanced cell migration and invasion in vitro and promoted tumor growth and distant metastasis in vivo. [Carcinogenesis] Abstract

Kinase-Dependent and Independent Roles for PTK6 in Colon Cancer
To further explore functions of protein tyrosine kinase 6 (PTK6) in colon cancer, expression of epithelial and mesenchymal markers, as well as proliferation, migration, and xenograft tumor growth were examined in human colon tumor cell lines with knockdown or overexpression of PTK6 [Mol Cancer Res] Abstract

The Cryptosporidium parvum C-type lectin CpClec Mediates Infection of Intestinal Epithelial Cells via Interactions with Sulfated Proteoglycans
The authors evaluated the mechanisms underlying interactions of CpClec with intestinal epithelial cells using an Fc-tagged recombinant protein. CpClec-Fc displayed Ca2+-dependent, saturable binding to HCT-8 and Caco-2 cells, and competitively inhibited C. parvum attachment to and infection of HCT-8 cells. [Infect Immun] Abstract

INTESTINAL STEM CELL & ORGANOID RESEARCH

Vascular Endothelial Growth Factor (VEGF) Bioavailability Regulates Angiogenesis and Intestinal Stem and Progenitor Cell Proliferation during Postnatal Small Intestinal Development
The authors hypothesized regulating VEGF bioavailability in the postnatal small intestine would exhibit effects beyond the vasculature and influence epithelial cell stem/progenitor populations. Manipulating VEGF bioavailability led to profound effects on not only the intestinal vasculature, but epithelial stem and progenitor cells in the intestinal crypt. [PLoS One] Full Article

Modeling of Drug-Mediated CYP3A4 Induction by Using Human iPS Cell-Derived Enterocyte-Like Cells
Scientists overlaid Matrigel on human induced pluripotent stem cells-derived enterocyte-like cells (hiPS-ELCs) to generate the mature hiPS-ELCs that could be applied to drug-mediated CYP3A4 induction test. [Biochem Biophys Res Commun] Full Article

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REVIEWS
MicroRNAs in Colorectal Carcinoma – from Pathogenesis to Therapy
The roles and mechanisms of microRNAs involved in colorectal carcinoma (CRC) from pathogenesis to therapy are summarized and discussed, which may provide more useful hints for CRC prevention and therapy. [J Exp Clin Cancer Res] Full Article

Visit our reviews page to see a complete list of reviews in the intestinal cell research field.
 
INDUSTRY NEWS
SLU Hepatologist Awarded NIH Grant to Study Liver, Gut Disorders
A lifesaving therapy for premature babies and people with injuries that prevent them from eating can cause severe liver failure and gut atrophy. A Saint Louis University researcher is studying how to prevent the damage from parenteral nutrition (PN), more commonly known as intravenous feeding. Ajay Jain, M.D. received a $703,620 grant from the National Institutes of Diabetes and Digestive and Kidney Diseases to continue studying strategies for PN-associated disorders. [Saint Louis University] Press Release

Children’s Hospital Los Angeles Awarded $7.1 Million By CIRM
Tracy C. Grikscheit, MD, of The Saban Research Institute of Children’s Hospital Los Angeles has received a $7.1 million grant from the California Institute of Regenerative Medicine Translational Research program to develop a cellular therapy for the treatment of nerve disorders of the digestive system. [Children’s Hospital Los Angeles] Press Release

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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 American Association for Cancer Research (AACR) Annual Meeting 2016
April 16-20, 2016
New Orleans, United States

Visit our events page to see a complete list of events in the intestinal cell research community.
 
JOB OPPORTUNITIES
NEW Postdoctoral Position – Proteomics and Inflammatory Bowel Disease (University of Ottawa)

Postdoctoral Position or Research Scientist – Mucosal Immunology (Qu Biologics)

Postdoctoral Training Fellow – Intestinal Tissue Engineering (The Francis Crick Institute)

Postdoctoral Researcher – Mechanisms of Intestinal Persistence (Institute of Food Research)

Program Director – IBD and Crohn’s Disease Program (The Leona M. and Harry B. Helmsley Charitable Trust)

Faculty Position – Cancer Research (Texas Tech University)

Postdoctoral Fellow – Nanomedicine (Johns Hopkins University)

Faculty Position – Cancer Research (Texas Tech University Health Sciences Center)

Postdoctoral Position – Tumor Immunology (Medical University of South Carolina)

Postdoctoral Fellowship – Immunology (Beth Israel Deaconess Medical Center)


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