Volume 3.02 | Jan 18

Mesenchymal Cell News 3.02, January 18, 2011.
In this issue: Science News  |  Current Publications  |  Industry News  |  Policy News  |  Events Subscribe  |  Unsubscribe

TOP STORY

Myocardial Injection With GSK-3Beta-Overexpressing Bone Marrow-Derived Mesenchymal Stem Cells Attenuates Cardiac Dysfunction After Myocardial Infarction 
The objective of this study was to test the effect of GSK-3beta on the efficiency of cell-based therapy with mesenchymal stem cells after myocardial infarction. [Circ Res]

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SCIENCE NEWS

U-M Researchers Find Indirect Path to Attack Breast Cancer Stem Cells
Scientists have identified a potential new way of attacking breast cancer stem cells. Researchers found that breast cancer stem cells are regulated by mesenchymal stem cells. These cells are drawn from the bone marrow to the cancer and create a “niche” for the cancer stem cells, allowing them to replicate. [Press release from the University of Michigan Comprehensive Cancer Center discussing online prepublication in Cancer Research ]

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CURRENT PUBLICATIONS (Ranked by Impact Factor of the Journal)

Irradiation Induces Bone Injury by Damaging Bone Marrow Microenvironment for Stem Cells
Researchers irradiated the distal half of the mouse left femur to study the mechanism of irradiation-induced bone injury and found that no mesenchymal stem cells were detected in irradiated distal femora or nonirradiated proximal femora. [Proc Natl Acad Sci USA]

Breast Cancer Stem Cells Are Regulated by Mesenchymal Stem Cells through Cytokine Networks
Researchers have used in vitro and mouse xenograft models to examine the interaction between breast cancer stem cells (CSC) and bone marrow-derived mesenchymal stem cells (MSC). Researchers show that both of these cell populations are organized in a cellular hierarchy in which primitive aldehyde dehydrogenase expressing mesenchymal cells regulate breast CSCs through cytokine loops involving IL6 and CXCL7. [Cancer Res]

Delta-like 1 Serves as a New Contributor to Liver Fibrosis Targetly Downregulated by Mesenchymal Stem Cell Transplantation
Findings provide a novel role of DLK1 in liver fibrosis leading to a better understanding of the molecular basis in fibrosis and cirrhosis, but also give insights into the cellular and molecular mechanisms of mesenchymal stem cell biology in liver repair. [J Biol Chem]

Circadian Rhythm Gene Period 3 is an Inhibitor of the Adipocyte Cell Fate
Here researchers showed that glucocorticoids repressed Per3 expression, and that this repression was critical for advancing mesenchymal stem cells to the adipocyte fate. [J Biol Chem]

NANOG has a Role in Mesenchymal Stem Cells’ Immunomodulatory Effect
Researchers measured the mesenchymal stem cells’ (MSCs) immuno-modulation capacity for suppression of T cells activation and proliferation before or after endogenous NANOG interference, showing that the MSCs’ immuno-modulation capacity was significantly weakened after NANOG knockdown. [Stem Cells Dev]

Transduction of Wnt11 Promotes Mesenchymal Stem Cells Transdifferentiation into Cardiac Phenotypes
Transplantation of mesenchymal stem cells (MSC) has emerged as a potential treatment for ischemic heart repair. Previous studies have suggested that Wnt11 plays a critical role in cardiac specification and morphogenesis. In this study, researchers examined whether transduction of Wnt11 directly increases MSC differentiation into cardiac phenotypes. [Stem Cells Dev]

The Ratio of VEGF/PEDF Expression in Bone Marrow Mesenchymal Stem Cells Regulates Neovascularization
The results indicate that, rather than being progenitors of endothelial cells, bone marrow stromal cells (BMSCs) play an important role in regulating the neovascularization process, and that the ratio of VEGF and PEDF may, in effect, be an indicator of the pro- or anti-angiogenic activities of BMSCs. [Differentiation]

Enhanced Differentiation and Clonogenicity of Human Endometrial Polyp Stem Cells
Experimental results demonstrate that endometrial polyp mesenchymal stem cells are a population of mesenchymal progenitor cells existing in human endometrial polyps that are capable of proliferation, differentiation, and colonogenicity exceeding that of bone marrow stem cells and endometrial stromal cells. [Differentiation]



INDUSTRY NEWS

Bioheart Reports Positive Results for Adipose Derived Stem Cells in Critical Limb Ischemia
Bioheart, Inc. announced positive efficacy data has been reported from the registry study of bone marrow and adipose derived stem cells for the treatment of end stage critical limb ischemia with wounds. [Bioheart, Inc. 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 Forum of Italian Researchers on Mesenchymal and Stromal Stem Cells
April 18, 2011
Milano, Italy


Visit our events page to see all event listings and stay up to date with the latest events in the mesenchymal cell community.



JOB OPPORTUNITIES


Lab Technologist – Cell Separation (STEMCELL Technologies)

Lab Technologist – Human Embryonic and Induced Pluripotent Stem Cells (STEMCELL Technologies)

Lab Technologist – Tissue Culture (STEMCELL Technologies)

Assistant Professor (University of Pittsburgh School of Medicine, Center for Cellular and Molecular Engineering)


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