Volume 6.28 | Jul 29

Mesenchymal Cell News 6.28 July 29, 2014
Mesenchymal Cell News
     In this issue: Publications | Reviews | Industry News | Policy News | Events | Jobs
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TOP STORY
Stem Cells from Nerves Form Teeth
Researchers discovered that stem cells inside the soft tissues of the tooth come from an unexpected source, namely nerves. The researchers discovered that young cells, which at first are part of the neural support cells, or the glial cells, leave the nerves at an early stage of the fetal development. [Press release from Karolinska Institute discussing online prepublication in Nature] Press Release | Abstract
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PUBLICATIONS (Ranked by impact factor of the journal)
Derivation of Mesenchymal Stromal Cells from Canine Induced Pluripotent Stem Cells by Inhibition of the TGFβ/Activin Signaling Pathway
Scientists generated canine mesenchymal stromal cells from canine induced pluripotent stem cells by small molecule inhibition of the TGFβ/activin signaling pathway. [Stem Cells Dev] Abstract

In Vitro Characterization of Patches of Human Mesenchymal Stromal Cells
Scientists developed a tissue-engineering product combining mesenchymal stromal cells (MSC) and amniotic membrane (AM) for clinical use. They investigated whether the stromal matrix of intact human AM could constitute a scaffold for human MSC derived from either bone marrow or adipose tissue. [Tissue Eng Part A] Abstract

Differentiation of Human Umbilical Cord Mesenchymal Stem Cells into Prostate-Like Epithelial Cells In Vivo
Investigators report that when human umbilical cord mesenchymal stem cells were combined with rat urogenital sinus stromal cells and transplanted into the renal capsule in vivo, they could differentiate into prostate epithelial-like cells that could be verified by prostate epithelial cell-specific markers including the prostate specific antigen. [PLoS One] Full Article

Cryopreservation of Human Dental Follicle Tissue for Use as a Resource of Autologous Mesenchymal Stem Cells
Isolated and cultured human dental stem cells (hDSCs) from cryopreserved dental follicles expressed mesenchymal stem cell markers at a level similar to that of hDSCs from fresh tissue. Researchers successfully differentiated in vitro into the mesenchymal lineage, osteocytes, adipocytes and chondrocytes under specific inductions. [J Tissue Eng Regen Med] Abstract

hTERT– and hCTLA4Ig-Expressing Human Bone Marrow-Derived Mesenchymal Stem Cells: In Vitro and In Vivo Characterization and Osteogenic Differentiation
Researchers constructed two gene expression vectors for transfection of the human telomerase reverse transcriptase (hTERT) and cytotoxic T lymphocyte-associated antigen 4-Ig (CTLA4Ig) genes into human bone marrow-derived stem cells (hBMSCs). Successful transfection of both genes generated hTERT-CTLA4Ig hBMSCs that expressed both telomerase and CTLA4Ig without apparent mutual interference. [J Tissue Eng Regen Med] Abstract

miR-17-5p Modulates Osteoblastic Differentiation and Cell Proliferation by Targeting SMAD7 in Non-Traumatic Osteonecrosis
By targeting SMAD7, microRNA (miR)-17-5p promoted nuclear translocation of β-catenin, enhanced expression of COL1A1 and finally facilitated the proliferation and differentiation of HMSC-bm cells. Restoring expression of SMAD7 in HMSC-bm cells partially reversed the function of miR-17-5p. [Exp Mol Med] Full Article

Up-Regulation of Liver Enriched Transcription Factors (HNF4a and HNF6) and Liver Specific MicroRNA (miR-122) by Inhibition of Let-7b in Mesenchymal Stem Cells
Scientists evaluated the specific effect of let-7 microRNAs in particular let-7b in hepatic commitment of human adipose tissue derived mesenchymal stem cells. [Chem Biol Drug Des] Abstract

Potential Spermatogenesis Recovery with Bone Marrow Mesenchymal Stem Cells in an Azoospermic Rat Model
Researchers tested whether spermatogenically-induced bone marrow-derived mesenchymal stem cells can restore spermatogenesis after administration of an anticancer drug. [Int J Mol Sci]
Abstract | Download Full Article

Direct Contact with Colon Cancer Cells Regulates Differentiation of Bone Marrow Mesenchymal Stem Cells into Tumor Associated Fibroblasts
Using an in vitro direct co-culture model of colon cancer cells and bone marrow-derived mesenchymal stem cells (BMSCs), scientists identified that colon cancer cells can induce adjoining BMSCs to exhibit the typical characteristic of tumor-associated fibroblast, with increased expression of α-smooth muscle actin. [Biochem Biophys Res Commun] Abstract

The Caspase-8 shRNA-Modified Mesenchymal Stem Cells Improve the Function of Infarcted Heart
Researchers investigated whether caspase 8 small hairpin RNA (shRNA) modification enhance human mesenchymal stem cells survival and improve infarcted heart function. [Mol Cell Biochem] Abstract

Scalable Ex Vivo Expansion of Human Mesenchymal Stem/Stromal Cells in Microcarrier-Based Stirred Culture Systems
Researchers describe a microcarrier-based stirred culture system operating under xeno-free conditions using a controlled stirred-tank bioreactor for an efficient and controlled ex vivo expansion of human mesenchymal stem/stromal cells. [Methods Mol Biol] Abstract

Technical Bulletin: Assays For Cord Blood
 
REVIEWS
Toward In Situ Tissue Engineering: Chemokine-Guided Stem Cell Recruitment
The authors outline the latest progress in stem cell recruitment focusing on the interactions of mesenchymal stem cells with chemokines, complement cascade peptides, bioactive lipids, and glycosaminoglycans. They present recent advances in state-of-the-art chemokine delivery devices suitable for various applications and critically evaluate the perspectives and challenges of the chemokine-guided in situ strategy for translation in regenerative medicine. [Trends Biotechnol] Abstract

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

Stem Cells and Regenerative Medicine Asia Congress 2014
 
INDUSTRY NEWS
Cytori Technology Selected for NHLBI Funded Trial in LVAD Patients
The Cardiovascular Cell Therapy Research Network has selected Cytori Therapeutics, Inc. to supply adipose-derived regenerative cells for a clinical trial aimed at evaluating the safety and feasibility of treating patients with Left Ventricular Assist Devices (LVADs). [Cytori Therapeutics, Inc.] Press Release

Biomedical Engineering Professor Publishes First Comprehensive Textbook on Tissue Engineering
University of Houston faculty member Ravi Birla published his first book, “Introduction to Tissue Engineering: Applications and Challenges.” The book is the first of its kind, offering a comprehensive guide to entering into the field of artificial organ development. [University of Houston] 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 Translational Regenerative Medicine Congress 2014
October 21-22, 2014
Leipzig, Germany

Visit our events page to see a complete list of events in the mesenchymal cell community.
 
JOB OPPORTUNITIES
NEW Postdoctoral Positions – Tissue Engineering and Regenerative Medicine (University of the Andes)

Technical Account Manager (GlobalStem)

Postdoctoral Fellow – Crosstalk and Interactions between Skeletal Cells and the Blood Vessels of Bone (KU Leuven)

PhD Studentship – Effects of Aging on MSC Therapy Activity (Loughborough University)

PhD Position – Pericyte Function and Dysfunction in CNS Disease (Lund University)

Research Assistant / Associate Positions – Regenerative Medicine (University of Glasgow)

Postdoctoral Position – Mesenchymal Stem Cells (University of Southern California)

Instructor – Regulation of Stem Cell Differentiation in Vascular Disease (University of Alabama at Birmingham)

Postdoctoral Research Scholar – The Role of Mesenchymal Factors in Cancer Progression (Washington University School of Medicine)

Scientist – Mesenchymal Stem and Progenitor Cell Biology (STEMCELL Technologies Inc.)

Scientist – Myogenic Progenitor Cell Biology (STEMCELL Technologies Inc.)

Scientist – Pluripotent Stem Cell Media Development, High Throughput Screening (STEMCELL Technologies Inc.)

Scientist – Cell Culture Support Products (STEMCELL Technologies Inc.)

Scientist – Immunology/Cell Separation (STEMCELL Technologies Inc.)

Research Associate – Cell Separation (STEMCELL Technologies Inc.)


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