Intestinal Cell News Volume 1.38 | Dec 11 2015

The Msi Family of RNA-Binding Proteins Function Redundantly as Intestinal Oncoproteins
Scientists demonstrated that MSI1 and MSI2 act as functionally redundant oncoproteins required for the ontogeny of intestinal cancers. [Cell Rep] Full Article | Graphical Abstract

Up-Regulation of REG3A in Colorectal Cancer Cells Confers Proliferation and Correlates with Colorectal Cancer Risk
Scientists explored the biological function and the underlying molecular mechanism of regenerating islet-derived 3 alpha (REG3A) in colorectal cancer (CRC). REG3A was found elevated in CRC compared with normal tissues. [Oncotarget] Full Article

Profiles of microRNA Networks in Intestinal Epithelial Cells in a Mouse Model of Colitis
The authors aimed to uncover the regulatory microRNA-target gene relationships that arise differentially in inflamed small- compared with large-intestinal epithelial cells. [Sci Rep] Full Article

FAT4 Functions as a Tumor Suppressor in Gastric Cancer by Modulating Wnt/β-Catenin Signaling
The authors investigated the role of FAT4 in gastric cancer and examined the underlying molecular mechanisms. FAT4 had a tumor suppressor role mediated by the modulation of Wnt/β-catenin signaling, providing potential novel targets for the treatment of gastric cancer. [Br J Cancer] Abstract

Epithelial Sel1L Is Required for the Maintenance of Intestinal Homeostasis
The authors showed that the expression of SEL1L and HRD1, the most conserved branch of mammalian ERAD, is significantly reduced in ileal Crohn’s disease. [Mol Biol Cell] Abstract

Hes1 Increases the Invasion Ability of Colorectal Cancer Cells via the STAT3-MMP14 Pathway
Investigators explored the role of hairy/enhancer of split (HES) in the tumorigenesis of colorectal cancer. Knocking down Hes1 induced colorectal cancer cell senescence and decreased the invasion ability, whereas over-expression of Hes1 increased STAT3 phosphorylation activity and up-regulated MMP14 protein level. [PLoS One] Full Article

RhoA Is Associated with Invasion and Poor Prognosis in Colorectal Cancer
The authors investigated the functional importance of RhoA using human cell lines as well as 150 colorectal cancer patient-derived samples as it remains unclear whether RhoA functions as either an oncogene or a tumor suppressor in colon cancer. [Int J Oncol] Abstract

Permeability of Plumbagin across Human Intestinal Cell In Vitro
Researchers investigated the permeability of plumbagin across Caco-2 cell monolayer and its effects on the expression and function of P-glycoprotein. [Arch Pharm Res] Abstract

INTESTINAL STEM CELL & ORGANOID RESEARCH

Fasting Protects Mice from Lethal DNA Damage by Promoting Small Intestinal Epithelial Stem Cell Survival
Scientists demonstrated that fasting preserves small intestinal (SI) architecture by maintaining SI stem cell viability and SI barrier function following exposure to high-dose etoposide. [Proc Natl Acad Sci USA] Abstract

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Synthetic Biologics’ SYN-010 Lowered Breath Methane and Improved Stool Frequency in a Phase II Four Week Study in Patients with Irritable Bowel Syndrome with Constipation (IBS-C)
Synthetic Biologics, Inc. announced positive topline results from the four week Phase II clinical trial of SYN-010 for the treatment of irritable bowel syndrome with IBS-C. [Synthetic Biologics, Inc.] Press Release

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NEW Postdoctoral Fellow – Cancer Immunotherapy (Inserm)

Postdoctoral Scientist – Gastroenterology and Immunology (University of Oxford)

Research Associate – Immunology and Inflammation (Imperial College London)

Research Technician – Preclinical and Translational Research (Qu Biologics Inc.)

Faculty Position – Autoimmune Disease and Rheumatologic Inflammation (Cleveland Clinic)

Computational Postdoctoral Associate – Inflammatory Bowel Disease (Icahn School of Medicine at Mount Sinai)

Postdoctoral Associate – Epigenetics of Inflammatory Bowel Disease (Icahn School of Medicine at Mount Sinai)

Open Group Leader Position – Cancer Research (Oslo University Hospital)

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

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