Cancer Stem Cell News Volume 2.42 | Oct 23 2013

Cancer Stem Cell News 2.42 October 23, 2013

Cancer Stem Cell News

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ALDH1-Positive Cancer Stem Cells Predict Engraftment of Primary Breast Tumors and Are Governed by a Common Stem Cell Program
Researchers report the establishment of primary breast tumor-derived xenografts that encompass the main diversity of human breast cancer and retain the major clinicopathological features of primary tumors. Successful engraftment was correlated with the presence of ALDH1-positive cancer stem-like cells which predicted prognosis in patients. [Cancer Res] Abstract
Culture Human Glioma-Derived Tumorspheres with NeuroCult™ - View Publications

PUBLICATIONS (Ranked by impact factor of the journal)
The Histone Deacetylase Inhibitor Abexinostat Induces Cancer Stem Cells Differentiation in Breast Cancer with Low X-Inactive Specific Transcript Expression
Investigators evaluated the effect of the histone deacetylase inhibitors compound abexinostat on cancer stem cells from 16 breast cancer cell lines using ALDEFLUOR assay and tumorsphere formation. [Clin Cancer Res] Abstract

Cancer Stem Cell Therapy Using Doxorubicin Conjugated to Gold Nanoparticles via Hydrazone Bonds
Researchers report that rationally designed nanoparticles can efficiently deliver drugs to cancer stem cells, which in turn contributes significantly to the improved anti-cancer efficacy. [Biomaterials] Abstract

Single-Cell Clones of Liver Cancer Stem Cells Have the Potential of Differentiating into Different Types of Tumor Cells
Scientists showed that single-cell-cloned cancer stem cells, accidentally obtained from a human liver cancer microvascular endothelial cells, express classic stem cell markers, genes associated with self-renewal and pluripotent factors and possess colony-forming ability in vitro and the ability of serial transplantation in vivo. [Cell Death Dis] Full Article

Indoleamine-2,3-Dioxygenase Elevated in Tumor-Initiating Cells Is Suppressed by Mitocans
Tumor-initiating cells (TICs) often survive therapy and give rise to second-line tumors. Researchers tested the plausibility of sphere cultures as models of TICs. Microarray data and microRNA data analysis confirmed the validity of spheres as models of TICs for breast and prostate cancer as well as mesothelioma cell lines. [Free Radic Biol Med] Abstract

Stem Cell Self-Renewal Factors Bmi1 and HMGA2 in Head and Neck Squamous Cell Carcinoma: Clues for Diagnosis
Stemness molecule expressions were determined in head and neck squamous cell carcinoma (HNSCC), as well as their properties and prognosis. Two proto-oncogenic chromatin regulators, Bmi-1 and high-mobility-group A2 (Hmga2), were identified in 12 pair cases of HNSCC tumor regions by comparison with their non-cancerous background tissues using cDNA microarray. [Lab Invest] Abstract

Generation of Breast Cancer Stem Cells by Steroid Hormones in Irradiated Human Mammary Cell Lines
In order to assess whether the modulation of radiation-induced breast cancer risk by steroid hormones could involve cancer stem cells (CSCs), scientists measured by flow cytometry the proportion of CSCs in irradiated breast cancer cell lines after progesterone and estrogen treatment. [PLoS One] Full Article

Endothelial Cells Do Not Arise from Tumor-Initiating Cells in Human Hepatocellular Carcinoma
Investigators examined human hepatocellular carcinomas in settings that selected for tumor formation from functionally defined tumor-initiating cells (TICs), and in which the origin of intratumoral endothelial cells from TICs as opposed to host tissues could be clearly distinguished. [BMC Cancer] Abstract | Full Article

Three-Dimensional Collagen Scaffold Enhances the Human Adenoid Cystic Carcinoma Cancer Stem Cell and Epithelial-Mesenchymal Transition Properties
Scientists showed that a 3D scaffold not only induced the diversification of cell morphologies but also increased the cell proliferation. The transcription of matrix metalloproteinase and epithelial-mesenchymal transition were significantly increased in the cells cultured in 3D collagen scaffolds. In addition, the expression of cancer stem cell markers of Sox2 and Oct4 were higher than that in 2D cultured cells. [J Biomed Mater Res B Appl Biomater] Abstract

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Stem Cells and Targeted Approaches to Melanoma Cure
Recent findings have provided pre-clinical proof-of-concept for the potential therapeutic utility of the melanoma stem cell concept. Therefore, melanoma stem cell-directed therapeutic approaches represent promising novel strategies to improve therapy of this arguably most virulent human cancer. [Mol Asp Med] Abstract

Visit our reviews page to see a complete list of reviews in the cancer stem cell research field.

OncoMed Pharmaceuticals Presents Data From Clinical Trials of Four Novel Anti-Cancer Stem Cell (Anti-CSC) Therapeutics
OncoMed Pharmaceuticals, Inc., a clinical-stage company developing novel therapeutics that target CSCs, or tumor-initiating cells, reported data for four of its five clinical-stage programs. [Press release from OncoMed Pharmaceuticals discussing research presented at the AACR-NCI-EORTC International Conference on Molecular Targets and Cancer Therapeutics, Boston] Press Release

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New Clinical Trial Tests Drug to Control Mesothelioma Cancer Stem Cells
A recently launched clinical trial that involves the targeted killing of mesothelioma cancer stem cells soon could provide a breakthrough for patients around the world. The mesothelioma trial, which is expected to involve 350-400 patients across 11 countries, will study the cancer stem cell inhibitor defactinib (VS-6063), which has shown promise in treating other cancers. [The Mesothelioma Center] Press Release

Stem Cell Therapeutics Strengthens CD47 Franchise with Acquisition of Complementary Antibody Program
Stem Cell Therapeutics Corp. announced that it has entered into an option agreement to exclusively license worldwide rights to a panel of fully human monoclonal antibodies targeting the SIRPa protein. [Stem Cell Therapeutics Corp.] Press Release

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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)

NEW 31st Annual Miami Breast Cancer Conference 2014
March 6-9, 2014
Miami, United States

Visit our events page to see a complete list of events in the cancer stem cell community.

NEW Assistant Professor – Fundamental Mechanisms in Cancer Biology (Cornell University)

Faculty Position – Stem Cell Biology (University of Notre Dame)

Postdoctoral Position – Translational Research Studying Glioblastoma Biology (UC San Francisco)

Postdoctoral Position – RNA & Stem Cell Biology (Cancer Research Centre of Lyon)

Postdoctoral Position – Breast Cancer Stem Cell Biology (UC College of Medicine)

Tenure Track Faculty Positions – Cancer Biology (Memorial Sloan-Kettering Cancer Center)

Assistant Professor – Developmental and Stem Cell Biology (METU Department of Biology)

Scientist – Particle Chemistry (STEMCELL Technologies Inc.)

Research Technologist – Human Pluripotent Stem Cell Products (STEMCELL Technologies Inc.)

Research Associate/Scientist – Antibodies Group (STEMCELL Technologies Inc.)

Research Associate – Particle Chemistry (STEMCELL Technologies Inc.)

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